tools/perf/builtin-c2c.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * This is rewrite of original c2c tool introduced in here:
   4  *   http://lwn.net/Articles/588866/
   5  *
   6  * The original tool was changed to fit in current perf state.
   7  *
   8  * Original authors:
   9  *   Don Zickus <dzickus@redhat.com>
  10  *   Dick Fowles <fowles@inreach.com>
  11  *   Joe Mario <jmario@redhat.com>
  12  */
  13 #include <errno.h>
  14 #include <inttypes.h>
  15 #include <linux/compiler.h>
  16 #include <linux/err.h>
  17 #include <linux/kernel.h>
  18 #include <linux/stringify.h>
  19 #include <linux/zalloc.h>
  20 #include <asm/bug.h>
  21 #include <sys/param.h>
  22 #include "debug.h"
  23 #include "builtin.h"
  24 #include <perf/cpumap.h>
  25 #include <subcmd/pager.h>
  26 #include <subcmd/parse-options.h>
  27 #include "map_symbol.h"
  28 #include "mem-events.h"
  29 #include "session.h"
  30 #include "hist.h"
  31 #include "sort.h"
  32 #include "tool.h"
  33 #include "cacheline.h"
  34 #include "data.h"
  35 #include "event.h"
  36 #include "evlist.h"
  37 #include "evsel.h"
  38 #include "ui/browsers/hists.h"
  39 #include "thread.h"
  40 #include "mem2node.h"
  41 #include "symbol.h"
  42 #include "ui/ui.h"
  43 #include "ui/progress.h"
  44 #include "../perf.h"
  45 #include "pmu.h"
  46 #include "pmu-hybrid.h"
  47 #include "string2.h"
  48
  49 struct c2c_hists {
  50         struct hists            hists;
  51         struct perf_hpp_list    list;
  52         struct c2c_stats        stats;
  53 };
  54
  55 struct compute_stats {
  56         struct stats             lcl_hitm;
  57         struct stats             rmt_hitm;
  58         struct stats             lcl_peer;
  59         struct stats             rmt_peer;
  60         struct stats             load;
  61 };
  62
  63 struct c2c_hist_entry {
  64         struct c2c_hists        *hists;
  65         struct c2c_stats         stats;
  66         unsigned long           *cpuset;
  67         unsigned long           *nodeset;
  68         struct c2c_stats        *node_stats;
  69         unsigned int             cacheline_idx;
  70
  71         struct compute_stats     cstats;
  72
  73         unsigned long            paddr;
  74         unsigned long            paddr_cnt;
  75         bool                     paddr_zero;
  76         char                    *nodestr;
  77
  78         /*
  79          * must be at the end,
  80          * because of its callchain dynamic entry
  81          */
  82         struct hist_entry       he;
  83 };
  84
  85 static char const *coalesce_default = "iaddr";
  86
  87 struct perf_c2c {
  88         struct perf_tool        tool;
  89         struct c2c_hists        hists;
  90         struct mem2node         mem2node;
  91
  92         unsigned long           **nodes;
  93         int                      nodes_cnt;
  94         int                      cpus_cnt;
  95         int                     *cpu2node;
  96         int                      node_info;
  97
  98         bool                     show_src;
  99         bool                     show_all;
 100         bool                     use_stdio;
 101         bool                     stats_only;
 102         bool                     symbol_full;
 103         bool                     stitch_lbr;
 104
 105         /* Shared cache line stats */
 106         struct c2c_stats        shared_clines_stats;
 107         int                     shared_clines;
 108
 109         int                      display;
 110
 111         const char              *coalesce;
 112         char                    *cl_sort;
 113         char                    *cl_resort;
 114         char                    *cl_output;
 115 };
 116
 117 enum {
 118         DISPLAY_LCL_HITM,
 119         DISPLAY_RMT_HITM,
 120         DISPLAY_TOT_HITM,
 121         DISPLAY_SNP_PEER,
 122         DISPLAY_MAX,
 123 };
 124
 125 static const char *display_str[DISPLAY_MAX] = {
 126         [DISPLAY_LCL_HITM] = "Local HITMs",
 127         [DISPLAY_RMT_HITM] = "Remote HITMs",
 128         [DISPLAY_TOT_HITM] = "Total HITMs",
 129         [DISPLAY_SNP_PEER] = "Peer Snoop",
 130 };
 131
 132 static const struct option c2c_options[] = {
 133         OPT_INCR('v', "verbose", &verbose, "be more verbose (show counter open errors, etc)"),
 134         OPT_END()
 135 };
 136
 137 static struct perf_c2c c2c;
 138
 139 static void *c2c_he_zalloc(size_t size)
 140 {
 141         struct c2c_hist_entry *c2c_he;
 142
 143         c2c_he = zalloc(size + sizeof(*c2c_he));
 144         if (!c2c_he)
 145                 return NULL;
 146
 147         c2c_he->cpuset = bitmap_zalloc(c2c.cpus_cnt);
 148         if (!c2c_he->cpuset)
 149                 goto out_free;
 150
 151         c2c_he->nodeset = bitmap_zalloc(c2c.nodes_cnt);
 152         if (!c2c_he->nodeset)
 153                 goto out_free;
 154
 155         c2c_he->node_stats = zalloc(c2c.nodes_cnt * sizeof(*c2c_he->node_stats));
 156         if (!c2c_he->node_stats)
 157                 goto out_free;
 158
 159         init_stats(&c2c_he->cstats.lcl_hitm);
 160         init_stats(&c2c_he->cstats.rmt_hitm);
 161         init_stats(&c2c_he->cstats.lcl_peer);
 162         init_stats(&c2c_he->cstats.rmt_peer);
 163         init_stats(&c2c_he->cstats.load);
 164
 165         return &c2c_he->he;
 166
 167 out_free:
 168         free(c2c_he->nodeset);
 169         free(c2c_he->cpuset);
 170         free(c2c_he);
 171         return NULL;
 172 }
 173
 174 static void c2c_he_free(void *he)
 175 {
 176         struct c2c_hist_entry *c2c_he;
 177
 178         c2c_he = container_of(he, struct c2c_hist_entry, he);
 179         if (c2c_he->hists) {
 180                 hists__delete_entries(&c2c_he->hists->hists);
 181                 free(c2c_he->hists);
 182         }
 183
 184         free(c2c_he->cpuset);
 185         free(c2c_he->nodeset);
 186         free(c2c_he->nodestr);
 187         free(c2c_he->node_stats);
 188         free(c2c_he);
 189 }
 190
 191 static struct hist_entry_ops c2c_entry_ops = {
 192         .new    = c2c_he_zalloc,
 193         .free   = c2c_he_free,
 194 };
 195
 196 static int c2c_hists__init(struct c2c_hists *hists,
 197                            const char *sort,
 198                            int nr_header_lines);
 199
 200 static struct c2c_hists*
 201 he__get_c2c_hists(struct hist_entry *he,
 202                   const char *sort,
 203                   int nr_header_lines)
 204 {
 205         struct c2c_hist_entry *c2c_he;
 206         struct c2c_hists *hists;
 207         int ret;
 208
 209         c2c_he = container_of(he, struct c2c_hist_entry, he);
 210         if (c2c_he->hists)
 211                 return c2c_he->hists;
 212
 213         hists = c2c_he->hists = zalloc(sizeof(*hists));
 214         if (!hists)
 215                 return NULL;
 216
 217         ret = c2c_hists__init(hists, sort, nr_header_lines);
 218         if (ret) {
 219                 free(hists);
 220                 return NULL;
 221         }
 222
 223         return hists;
 224 }
 225
 226 static void c2c_he__set_cpu(struct c2c_hist_entry *c2c_he,
 227                             struct perf_sample *sample)
 228 {
 229         if (WARN_ONCE(sample->cpu == (unsigned int) -1,
 230                       "WARNING: no sample cpu value"))
 231                 return;
 232
 233         set_bit(sample->cpu, c2c_he->cpuset);
 234 }
 235
 236 static void c2c_he__set_node(struct c2c_hist_entry *c2c_he,
 237                              struct perf_sample *sample)
 238 {
 239         int node;
 240
 241         if (!sample->phys_addr) {
 242                 c2c_he->paddr_zero = true;
 243                 return;
 244         }
 245
 246         node = mem2node__node(&c2c.mem2node, sample->phys_addr);
 247         if (WARN_ONCE(node < 0, "WARNING: failed to find node\n"))
 248                 return;
 249
 250         set_bit(node, c2c_he->nodeset);
 251
 252         if (c2c_he->paddr != sample->phys_addr) {
 253                 c2c_he->paddr_cnt++;
 254                 c2c_he->paddr = sample->phys_addr;
 255         }
 256 }
 257
 258 static void compute_stats(struct c2c_hist_entry *c2c_he,
 259                           struct c2c_stats *stats,
 260                           u64 weight)
 261 {
 262         struct compute_stats *cstats = &c2c_he->cstats;
 263
 264         if (stats->rmt_hitm)
 265                 update_stats(&cstats->rmt_hitm, weight);
 266         else if (stats->lcl_hitm)
 267                 update_stats(&cstats->lcl_hitm, weight);
 268         else if (stats->rmt_peer)
 269                 update_stats(&cstats->rmt_peer, weight);
 270         else if (stats->lcl_peer)
 271                 update_stats(&cstats->lcl_peer, weight);
 272         else if (stats->load)
 273                 update_stats(&cstats->load, weight);
 274 }
 275
 276 static int process_sample_event(struct perf_tool *tool __maybe_unused,
 277                                 union perf_event *event,
 278                                 struct perf_sample *sample,
 279                                 struct evsel *evsel,
 280                                 struct machine *machine)
 281 {
 282         struct c2c_hists *c2c_hists = &c2c.hists;
 283         struct c2c_hist_entry *c2c_he;
 284         struct c2c_stats stats = { .nr_entries = 0, };
 285         struct hist_entry *he;
 286         struct addr_location al;
 287         struct mem_info *mi, *mi_dup;
 288         int ret;
 289
 290         if (machine__resolve(machine, &al, sample) < 0) {
 291                 pr_debug("problem processing %d event, skipping it.\n",
 292                          event->header.type);
 293                 return -1;
 294         }
 295
 296         if (c2c.stitch_lbr)
 297                 al.thread->lbr_stitch_enable = true;
 298
 299         ret = sample__resolve_callchain(sample, &callchain_cursor, NULL,
 300                                         evsel, &al, sysctl_perf_event_max_stack);
 301         if (ret)
 302                 goto out;
 303
 304         mi = sample__resolve_mem(sample, &al);
 305         if (mi == NULL)
 306                 return -ENOMEM;
 307
 308         /*
 309          * The mi object is released in hists__add_entry_ops,
 310          * if it gets sorted out into existing data, so we need
 311          * to take the copy now.
 312          */
 313         mi_dup = mem_info__get(mi);
 314
 315         c2c_decode_stats(&stats, mi);
 316
 317         he = hists__add_entry_ops(&c2c_hists->hists, &c2c_entry_ops,
 318                                   &al, NULL, NULL, mi,
 319                                   sample, true);
 320         if (he == NULL)
 321                 goto free_mi;
 322
 323         c2c_he = container_of(he, struct c2c_hist_entry, he);
 324         c2c_add_stats(&c2c_he->stats, &stats);
 325         c2c_add_stats(&c2c_hists->stats, &stats);
 326
 327         c2c_he__set_cpu(c2c_he, sample);
 328         c2c_he__set_node(c2c_he, sample);
 329
 330         hists__inc_nr_samples(&c2c_hists->hists, he->filtered);
 331         ret = hist_entry__append_callchain(he, sample);
 332
 333         if (!ret) {
 334                 /*
 335                  * There's already been warning about missing
 336                  * sample's cpu value. Let's account all to
 337                  * node 0 in this case, without any further
 338                  * warning.
 339                  *
 340                  * Doing node stats only for single callchain data.
 341                  */
 342                 int cpu = sample->cpu == (unsigned int) -1 ? 0 : sample->cpu;
 343                 int node = c2c.cpu2node[cpu];
 344
 345                 mi = mi_dup;
 346
 347                 c2c_hists = he__get_c2c_hists(he, c2c.cl_sort, 2);
 348                 if (!c2c_hists)
 349                         goto free_mi;
 350
 351                 he = hists__add_entry_ops(&c2c_hists->hists, &c2c_entry_ops,
 352                                           &al, NULL, NULL, mi,
 353                                           sample, true);
 354                 if (he == NULL)
 355                         goto free_mi;
 356
 357                 c2c_he = container_of(he, struct c2c_hist_entry, he);
 358                 c2c_add_stats(&c2c_he->stats, &stats);
 359                 c2c_add_stats(&c2c_hists->stats, &stats);
 360                 c2c_add_stats(&c2c_he->node_stats[node], &stats);
 361
 362                 compute_stats(c2c_he, &stats, sample->weight);
 363
 364                 c2c_he__set_cpu(c2c_he, sample);
 365                 c2c_he__set_node(c2c_he, sample);
 366
 367                 hists__inc_nr_samples(&c2c_hists->hists, he->filtered);
 368                 ret = hist_entry__append_callchain(he, sample);
 369         }
 370
 371 out:
 372         addr_location__put(&al);
 373         return ret;
 374
 375 free_mi:
 376         mem_info__put(mi_dup);
 377         mem_info__put(mi);
 378         ret = -ENOMEM;
 379         goto out;
 380 }
 381
 382 static struct perf_c2c c2c = {
 383         .tool = {
 384                 .sample         = process_sample_event,
 385                 .mmap           = perf_event__process_mmap,
 386                 .mmap2          = perf_event__process_mmap2,
 387                 .comm           = perf_event__process_comm,
 388                 .exit           = perf_event__process_exit,
 389                 .fork           = perf_event__process_fork,
 390                 .lost           = perf_event__process_lost,
 391                 .attr           = perf_event__process_attr,
 392                 .auxtrace_info  = perf_event__process_auxtrace_info,
 393                 .auxtrace       = perf_event__process_auxtrace,
 394                 .auxtrace_error = perf_event__process_auxtrace_error,
 395                 .ordered_events = true,
 396                 .ordering_requires_timestamps = true,
 397         },
 398 };
 399
 400 static const char * const c2c_usage[] = {
 401         "perf c2c {record|report}",
 402         NULL
 403 };
 404
 405 static const char * const __usage_report[] = {
 406         "perf c2c report",
 407         NULL
 408 };
 409
 410 static const char * const *report_c2c_usage = __usage_report;
 411
 412 #define C2C_HEADER_MAX 2
 413
 414 struct c2c_header {
 415         struct {
 416                 const char *text;
 417                 int         span;
 418         } line[C2C_HEADER_MAX];
 419 };
 420
 421 struct c2c_dimension {
 422         struct c2c_header        header;
 423         const char              *name;
 424         int                      width;
 425         struct sort_entry       *se;
 426
 427         int64_t (*cmp)(struct perf_hpp_fmt *fmt,
 428                        struct hist_entry *, struct hist_entry *);
 429         int   (*entry)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 430                        struct hist_entry *he);
 431         int   (*color)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 432                        struct hist_entry *he);
 433 };
 434
 435 struct c2c_fmt {
 436         struct perf_hpp_fmt      fmt;
 437         struct c2c_dimension    *dim;
 438 };
 439
 440 #define SYMBOL_WIDTH 30
 441
 442 static struct c2c_dimension dim_symbol;
 443 static struct c2c_dimension dim_srcline;
 444
 445 static int symbol_width(struct hists *hists, struct sort_entry *se)
 446 {
 447         int width = hists__col_len(hists, se->se_width_idx);
 448
 449         if (!c2c.symbol_full)
 450                 width = MIN(width, SYMBOL_WIDTH);
 451
 452         return width;
 453 }
 454
 455 static int c2c_width(struct perf_hpp_fmt *fmt,
 456                      struct perf_hpp *hpp __maybe_unused,
 457                      struct hists *hists)
 458 {
 459         struct c2c_fmt *c2c_fmt;
 460         struct c2c_dimension *dim;
 461
 462         c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
 463         dim = c2c_fmt->dim;
 464
 465         if (dim == &dim_symbol || dim == &dim_srcline)
 466                 return symbol_width(hists, dim->se);
 467
 468         return dim->se ? hists__col_len(hists, dim->se->se_width_idx) :
 469                          c2c_fmt->dim->width;
 470 }
 471
 472 static int c2c_header(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 473                       struct hists *hists, int line, int *span)
 474 {
 475         struct perf_hpp_list *hpp_list = hists->hpp_list;
 476         struct c2c_fmt *c2c_fmt;
 477         struct c2c_dimension *dim;
 478         const char *text = NULL;
 479         int width = c2c_width(fmt, hpp, hists);
 480
 481         c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
 482         dim = c2c_fmt->dim;
 483
 484         if (dim->se) {
 485                 text = dim->header.line[line].text;
 486                 /* Use the last line from sort_entry if not defined. */
 487                 if (!text && (line == hpp_list->nr_header_lines - 1))
 488                         text = dim->se->se_header;
 489         } else {
 490                 text = dim->header.line[line].text;
 491
 492                 if (*span) {
 493                         (*span)--;
 494                         return 0;
 495                 } else {
 496                         *span = dim->header.line[line].span;
 497                 }
 498         }
 499
 500         if (text == NULL)
 501                 text = "";
 502
 503         return scnprintf(hpp->buf, hpp->size, "%*s", width, text);
 504 }
 505
 506 #define HEX_STR(__s, __v)                               \
 507 ({                                                      \
 508         scnprintf(__s, sizeof(__s), "0x%" PRIx64, __v); \
 509         __s;                                            \
 510 })
 511
 512 static int64_t
 513 dcacheline_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 514                struct hist_entry *left, struct hist_entry *right)
 515 {
 516         return sort__dcacheline_cmp(left, right);
 517 }
 518
 519 static int dcacheline_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 520                             struct hist_entry *he)
 521 {
 522         uint64_t addr = 0;
 523         int width = c2c_width(fmt, hpp, he->hists);
 524         char buf[20];
 525
 526         if (he->mem_info)
 527                 addr = cl_address(he->mem_info->daddr.addr);
 528
 529         return scnprintf(hpp->buf, hpp->size, "%*s", width, HEX_STR(buf, addr));
 530 }
 531
 532 static int
 533 dcacheline_node_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 534                       struct hist_entry *he)
 535 {
 536         struct c2c_hist_entry *c2c_he;
 537         int width = c2c_width(fmt, hpp, he->hists);
 538
 539         c2c_he = container_of(he, struct c2c_hist_entry, he);
 540         if (WARN_ON_ONCE(!c2c_he->nodestr))
 541                 return 0;
 542
 543         return scnprintf(hpp->buf, hpp->size, "%*s", width, c2c_he->nodestr);
 544 }
 545
 546 static int
 547 dcacheline_node_count(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 548                       struct hist_entry *he)
 549 {
 550         struct c2c_hist_entry *c2c_he;
 551         int width = c2c_width(fmt, hpp, he->hists);
 552
 553         c2c_he = container_of(he, struct c2c_hist_entry, he);
 554         return scnprintf(hpp->buf, hpp->size, "%*lu", width, c2c_he->paddr_cnt);
 555 }
 556
 557 static int offset_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 558                         struct hist_entry *he)
 559 {
 560         uint64_t addr = 0;
 561         int width = c2c_width(fmt, hpp, he->hists);
 562         char buf[20];
 563
 564         if (he->mem_info)
 565                 addr = cl_offset(he->mem_info->daddr.al_addr);
 566
 567         return scnprintf(hpp->buf, hpp->size, "%*s", width, HEX_STR(buf, addr));
 568 }
 569
 570 static int64_t
 571 offset_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 572            struct hist_entry *left, struct hist_entry *right)
 573 {
 574         uint64_t l = 0, r = 0;
 575
 576         if (left->mem_info)
 577                 l = cl_offset(left->mem_info->daddr.addr);
 578         if (right->mem_info)
 579                 r = cl_offset(right->mem_info->daddr.addr);
 580
 581         return (int64_t)(r - l);
 582 }
 583
 584 static int
 585 iaddr_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 586             struct hist_entry *he)
 587 {
 588         uint64_t addr = 0;
 589         int width = c2c_width(fmt, hpp, he->hists);
 590         char buf[20];
 591
 592         if (he->mem_info)
 593                 addr = he->mem_info->iaddr.addr;
 594
 595         return scnprintf(hpp->buf, hpp->size, "%*s", width, HEX_STR(buf, addr));
 596 }
 597
 598 static int64_t
 599 iaddr_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 600           struct hist_entry *left, struct hist_entry *right)
 601 {
 602         return sort__iaddr_cmp(left, right);
 603 }
 604
 605 static int
 606 tot_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 607                struct hist_entry *he)
 608 {
 609         struct c2c_hist_entry *c2c_he;
 610         int width = c2c_width(fmt, hpp, he->hists);
 611         unsigned int tot_hitm;
 612
 613         c2c_he = container_of(he, struct c2c_hist_entry, he);
 614         tot_hitm = c2c_he->stats.lcl_hitm + c2c_he->stats.rmt_hitm;
 615
 616         return scnprintf(hpp->buf, hpp->size, "%*u", width, tot_hitm);
 617 }
 618
 619 static int64_t
 620 tot_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 621              struct hist_entry *left, struct hist_entry *right)
 622 {
 623         struct c2c_hist_entry *c2c_left;
 624         struct c2c_hist_entry *c2c_right;
 625         uint64_t tot_hitm_left;
 626         uint64_t tot_hitm_right;
 627
 628         c2c_left  = container_of(left, struct c2c_hist_entry, he);
 629         c2c_right = container_of(right, struct c2c_hist_entry, he);
 630
 631         tot_hitm_left  = c2c_left->stats.lcl_hitm + c2c_left->stats.rmt_hitm;
 632         tot_hitm_right = c2c_right->stats.lcl_hitm + c2c_right->stats.rmt_hitm;
 633
 634         return tot_hitm_left - tot_hitm_right;
 635 }
 636
 637 #define STAT_FN_ENTRY(__f)                                      \
 638 static int                                                      \
 639 __f ## _entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,   \
 640               struct hist_entry *he)                            \
 641 {                                                               \
 642         struct c2c_hist_entry *c2c_he;                          \
 643         int width = c2c_width(fmt, hpp, he->hists);             \
 644                                                                 \
 645         c2c_he = container_of(he, struct c2c_hist_entry, he);   \
 646         return scnprintf(hpp->buf, hpp->size, "%*u", width,     \
 647                          c2c_he->stats.__f);                    \
 648 }
 649
 650 #define STAT_FN_CMP(__f)                                                \
 651 static int64_t                                                          \
 652 __f ## _cmp(struct perf_hpp_fmt *fmt __maybe_unused,                    \
 653             struct hist_entry *left, struct hist_entry *right)          \
 654 {                                                                       \
 655         struct c2c_hist_entry *c2c_left, *c2c_right;                    \
 656                                                                         \
 657         c2c_left  = container_of(left, struct c2c_hist_entry, he);      \
 658         c2c_right = container_of(right, struct c2c_hist_entry, he);     \
 659         return (uint64_t) c2c_left->stats.__f -                         \
 660                (uint64_t) c2c_right->stats.__f;                         \
 661 }
 662
 663 #define STAT_FN(__f)            \
 664         STAT_FN_ENTRY(__f)      \
 665         STAT_FN_CMP(__f)
 666
 667 STAT_FN(rmt_hitm)
 668 STAT_FN(lcl_hitm)
 669 STAT_FN(rmt_peer)
 670 STAT_FN(lcl_peer)
 671 STAT_FN(tot_peer)
 672 STAT_FN(store)
 673 STAT_FN(st_l1hit)
 674 STAT_FN(st_l1miss)
 675 STAT_FN(st_na)
 676 STAT_FN(ld_fbhit)
 677 STAT_FN(ld_l1hit)
 678 STAT_FN(ld_l2hit)
 679 STAT_FN(ld_llchit)
 680 STAT_FN(rmt_hit)
 681
 682 static uint64_t get_load_llc_misses(struct c2c_stats *stats)
 683 {
 684         return stats->lcl_dram +
 685                stats->rmt_dram +
 686                stats->rmt_hitm +
 687                stats->rmt_hit;
 688 }
 689
 690 static uint64_t get_load_cache_hits(struct c2c_stats *stats)
 691 {
 692         return stats->ld_fbhit +
 693                stats->ld_l1hit +
 694                stats->ld_l2hit +
 695                stats->ld_llchit +
 696                stats->lcl_hitm;
 697 }
 698
 699 static uint64_t get_stores(struct c2c_stats *stats)
 700 {
 701         return stats->st_l1hit +
 702                stats->st_l1miss +
 703                stats->st_na;
 704 }
 705
 706 static uint64_t total_records(struct c2c_stats *stats)
 707 {
 708         return get_load_llc_misses(stats) +
 709                get_load_cache_hits(stats) +
 710                get_stores(stats);
 711 }
 712
 713 static int
 714 tot_recs_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 715                 struct hist_entry *he)
 716 {
 717         struct c2c_hist_entry *c2c_he;
 718         int width = c2c_width(fmt, hpp, he->hists);
 719         uint64_t tot_recs;
 720
 721         c2c_he = container_of(he, struct c2c_hist_entry, he);
 722         tot_recs = total_records(&c2c_he->stats);
 723
 724         return scnprintf(hpp->buf, hpp->size, "%*" PRIu64, width, tot_recs);
 725 }
 726
 727 static int64_t
 728 tot_recs_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 729              struct hist_entry *left, struct hist_entry *right)
 730 {
 731         struct c2c_hist_entry *c2c_left;
 732         struct c2c_hist_entry *c2c_right;
 733         uint64_t tot_recs_left;
 734         uint64_t tot_recs_right;
 735
 736         c2c_left  = container_of(left, struct c2c_hist_entry, he);
 737         c2c_right = container_of(right, struct c2c_hist_entry, he);
 738
 739         tot_recs_left  = total_records(&c2c_left->stats);
 740         tot_recs_right = total_records(&c2c_right->stats);
 741
 742         return tot_recs_left - tot_recs_right;
 743 }
 744
 745 static uint64_t total_loads(struct c2c_stats *stats)
 746 {
 747         return get_load_llc_misses(stats) +
 748                get_load_cache_hits(stats);
 749 }
 750
 751 static int
 752 tot_loads_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 753                 struct hist_entry *he)
 754 {
 755         struct c2c_hist_entry *c2c_he;
 756         int width = c2c_width(fmt, hpp, he->hists);
 757         uint64_t tot_recs;
 758
 759         c2c_he = container_of(he, struct c2c_hist_entry, he);
 760         tot_recs = total_loads(&c2c_he->stats);
 761
 762         return scnprintf(hpp->buf, hpp->size, "%*" PRIu64, width, tot_recs);
 763 }
 764
 765 static int64_t
 766 tot_loads_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 767               struct hist_entry *left, struct hist_entry *right)
 768 {
 769         struct c2c_hist_entry *c2c_left;
 770         struct c2c_hist_entry *c2c_right;
 771         uint64_t tot_recs_left;
 772         uint64_t tot_recs_right;
 773
 774         c2c_left  = container_of(left, struct c2c_hist_entry, he);
 775         c2c_right = container_of(right, struct c2c_hist_entry, he);
 776
 777         tot_recs_left  = total_loads(&c2c_left->stats);
 778         tot_recs_right = total_loads(&c2c_right->stats);
 779
 780         return tot_recs_left - tot_recs_right;
 781 }
 782
 783 typedef double (get_percent_cb)(struct c2c_hist_entry *);
 784
 785 static int
 786 percent_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 787               struct hist_entry *he, get_percent_cb get_percent)
 788 {
 789         struct c2c_hist_entry *c2c_he;
 790         int width = c2c_width(fmt, hpp, he->hists);
 791         double per;
 792
 793         c2c_he = container_of(he, struct c2c_hist_entry, he);
 794         per = get_percent(c2c_he);
 795
 796 #ifdef HAVE_SLANG_SUPPORT
 797         if (use_browser)
 798                 return __hpp__slsmg_color_printf(hpp, "%*.2f%%", width - 1, per);
 799 #endif
 800         return hpp_color_scnprintf(hpp, "%*.2f%%", width - 1, per);
 801 }
 802
 803 static double percent_costly_snoop(struct c2c_hist_entry *c2c_he)
 804 {
 805         struct c2c_hists *hists;
 806         struct c2c_stats *stats;
 807         struct c2c_stats *total;
 808         int tot = 0, st = 0;
 809         double p;
 810
 811         hists = container_of(c2c_he->he.hists, struct c2c_hists, hists);
 812         stats = &c2c_he->stats;
 813         total = &hists->stats;
 814
 815         switch (c2c.display) {
 816         case DISPLAY_RMT_HITM:
 817                 st  = stats->rmt_hitm;
 818                 tot = total->rmt_hitm;
 819                 break;
 820         case DISPLAY_LCL_HITM:
 821                 st  = stats->lcl_hitm;
 822                 tot = total->lcl_hitm;
 823                 break;
 824         case DISPLAY_TOT_HITM:
 825                 st  = stats->tot_hitm;
 826                 tot = total->tot_hitm;
 827                 break;
 828         case DISPLAY_SNP_PEER:
 829                 st  = stats->tot_peer;
 830                 tot = total->tot_peer;
 831                 break;
 832         default:
 833                 break;
 834         }
 835
 836         p = tot ? (double) st / tot : 0;
 837
 838         return 100 * p;
 839 }
 840
 841 #define PERC_STR(__s, __v)                              \
 842 ({                                                      \
 843         scnprintf(__s, sizeof(__s), "%.2F%%", __v);     \
 844         __s;                                            \
 845 })
 846
 847 static int
 848 percent_costly_snoop_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 849                            struct hist_entry *he)
 850 {
 851         struct c2c_hist_entry *c2c_he;
 852         int width = c2c_width(fmt, hpp, he->hists);
 853         char buf[10];
 854         double per;
 855
 856         c2c_he = container_of(he, struct c2c_hist_entry, he);
 857         per = percent_costly_snoop(c2c_he);
 858         return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
 859 }
 860
 861 static int
 862 percent_costly_snoop_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 863                            struct hist_entry *he)
 864 {
 865         return percent_color(fmt, hpp, he, percent_costly_snoop);
 866 }
 867
 868 static int64_t
 869 percent_costly_snoop_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 870                          struct hist_entry *left, struct hist_entry *right)
 871 {
 872         struct c2c_hist_entry *c2c_left;
 873         struct c2c_hist_entry *c2c_right;
 874         double per_left;
 875         double per_right;
 876
 877         c2c_left  = container_of(left, struct c2c_hist_entry, he);
 878         c2c_right = container_of(right, struct c2c_hist_entry, he);
 879
 880         per_left  = percent_costly_snoop(c2c_left);
 881         per_right = percent_costly_snoop(c2c_right);
 882
 883         return per_left - per_right;
 884 }
 885
 886 static struct c2c_stats *he_stats(struct hist_entry *he)
 887 {
 888         struct c2c_hist_entry *c2c_he;
 889
 890         c2c_he = container_of(he, struct c2c_hist_entry, he);
 891         return &c2c_he->stats;
 892 }
 893
 894 static struct c2c_stats *total_stats(struct hist_entry *he)
 895 {
 896         struct c2c_hists *hists;
 897
 898         hists = container_of(he->hists, struct c2c_hists, hists);
 899         return &hists->stats;
 900 }
 901
 902 static double percent(u32 st, u32 tot)
 903 {
 904         return tot ? 100. * (double) st / (double) tot : 0;
 905 }
 906
 907 #define PERCENT(__h, __f) percent(he_stats(__h)->__f, total_stats(__h)->__f)
 908
 909 #define PERCENT_FN(__f)                                                         \
 910 static double percent_ ## __f(struct c2c_hist_entry *c2c_he)                    \
 911 {                                                                               \
 912         struct c2c_hists *hists;                                                \
 913                                                                                 \
 914         hists = container_of(c2c_he->he.hists, struct c2c_hists, hists);        \
 915         return percent(c2c_he->stats.__f, hists->stats.__f);                    \
 916 }
 917
 918 PERCENT_FN(rmt_hitm)
 919 PERCENT_FN(lcl_hitm)
 920 PERCENT_FN(rmt_peer)
 921 PERCENT_FN(lcl_peer)
 922 PERCENT_FN(st_l1hit)
 923 PERCENT_FN(st_l1miss)
 924 PERCENT_FN(st_na)
 925
 926 static int
 927 percent_rmt_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 928                        struct hist_entry *he)
 929 {
 930         int width = c2c_width(fmt, hpp, he->hists);
 931         double per = PERCENT(he, rmt_hitm);
 932         char buf[10];
 933
 934         return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
 935 }
 936
 937 static int
 938 percent_rmt_hitm_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 939                        struct hist_entry *he)
 940 {
 941         return percent_color(fmt, hpp, he, percent_rmt_hitm);
 942 }
 943
 944 static int64_t
 945 percent_rmt_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 946                      struct hist_entry *left, struct hist_entry *right)
 947 {
 948         double per_left;
 949         double per_right;
 950
 951         per_left  = PERCENT(left, rmt_hitm);
 952         per_right = PERCENT(right, rmt_hitm);
 953
 954         return per_left - per_right;
 955 }
 956
 957 static int
 958 percent_lcl_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 959                        struct hist_entry *he)
 960 {
 961         int width = c2c_width(fmt, hpp, he->hists);
 962         double per = PERCENT(he, lcl_hitm);
 963         char buf[10];
 964
 965         return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
 966 }
 967
 968 static int
 969 percent_lcl_hitm_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 970                        struct hist_entry *he)
 971 {
 972         return percent_color(fmt, hpp, he, percent_lcl_hitm);
 973 }
 974
 975 static int64_t
 976 percent_lcl_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 977                      struct hist_entry *left, struct hist_entry *right)
 978 {
 979         double per_left;
 980         double per_right;
 981
 982         per_left  = PERCENT(left, lcl_hitm);
 983         per_right = PERCENT(right, lcl_hitm);
 984
 985         return per_left - per_right;
 986 }
 987
 988 static int
 989 percent_lcl_peer_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 990                        struct hist_entry *he)
 991 {
 992         int width = c2c_width(fmt, hpp, he->hists);
 993         double per = PERCENT(he, lcl_peer);
 994         char buf[10];
 995
 996         return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
 997 }
 998
 999 static int
1000 percent_lcl_peer_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1001                        struct hist_entry *he)
1002 {
1003         return percent_color(fmt, hpp, he, percent_lcl_peer);
1004 }
1005
1006 static int64_t
1007 percent_lcl_peer_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
1008                      struct hist_entry *left, struct hist_entry *right)
1009 {
1010         double per_left;
1011         double per_right;
1012
1013         per_left  = PERCENT(left, lcl_peer);
1014         per_right = PERCENT(right, lcl_peer);
1015
1016         return per_left - per_right;
1017 }
1018
1019 static int
1020 percent_rmt_peer_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1021                        struct hist_entry *he)
1022 {
1023         int width = c2c_width(fmt, hpp, he->hists);
1024         double per = PERCENT(he, rmt_peer);
1025         char buf[10];
1026
1027         return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
1028 }
1029
1030 static int
1031 percent_rmt_peer_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1032                        struct hist_entry *he)
1033 {
1034         return percent_color(fmt, hpp, he, percent_rmt_peer);
1035 }
1036
1037 static int64_t
1038 percent_rmt_peer_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
1039                      struct hist_entry *left, struct hist_entry *right)
1040 {
1041         double per_left;
1042         double per_right;
1043
1044         per_left  = PERCENT(left, rmt_peer);
1045         per_right = PERCENT(right, rmt_peer);
1046
1047         return per_left - per_right;
1048 }
1049
1050 static int
1051 percent_stores_l1hit_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1052                            struct hist_entry *he)
1053 {
1054         int width = c2c_width(fmt, hpp, he->hists);
1055         double per = PERCENT(he, st_l1hit);
1056         char buf[10];
1057
1058         return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
1059 }
1060
1061 static int
1062 percent_stores_l1hit_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1063                            struct hist_entry *he)
1064 {
1065         return percent_color(fmt, hpp, he, percent_st_l1hit);
1066 }
1067
1068 static int64_t
1069 percent_stores_l1hit_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
1070                         struct hist_entry *left, struct hist_entry *right)
1071 {
1072         double per_left;
1073         double per_right;
1074
1075         per_left  = PERCENT(left, st_l1hit);
1076         per_right = PERCENT(right, st_l1hit);
1077
1078         return per_left - per_right;
1079 }
1080
1081 static int
1082 percent_stores_l1miss_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1083                            struct hist_entry *he)
1084 {
1085         int width = c2c_width(fmt, hpp, he->hists);
1086         double per = PERCENT(he, st_l1miss);
1087         char buf[10];
1088
1089         return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
1090 }
1091
1092 static int
1093 percent_stores_l1miss_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1094                             struct hist_entry *he)
1095 {
1096         return percent_color(fmt, hpp, he, percent_st_l1miss);
1097 }
1098
1099 static int64_t
1100 percent_stores_l1miss_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
1101                           struct hist_entry *left, struct hist_entry *right)
1102 {
1103         double per_left;
1104         double per_right;
1105
1106         per_left  = PERCENT(left, st_l1miss);
1107         per_right = PERCENT(right, st_l1miss);
1108
1109         return per_left - per_right;
1110 }
1111
1112 static int
1113 percent_stores_na_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1114                         struct hist_entry *he)
1115 {
1116         int width = c2c_width(fmt, hpp, he->hists);
1117         double per = PERCENT(he, st_na);
1118         char buf[10];
1119
1120         return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
1121 }
1122
1123 static int
1124 percent_stores_na_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1125                         struct hist_entry *he)
1126 {
1127         return percent_color(fmt, hpp, he, percent_st_na);
1128 }
1129
1130 static int64_t
1131 percent_stores_na_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
1132                       struct hist_entry *left, struct hist_entry *right)
1133 {
1134         double per_left;
1135         double per_right;
1136
1137         per_left  = PERCENT(left, st_na);
1138         per_right = PERCENT(right, st_na);
1139
1140         return per_left - per_right;
1141 }
1142
1143 STAT_FN(lcl_dram)
1144 STAT_FN(rmt_dram)
1145
1146 static int
1147 pid_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1148           struct hist_entry *he)
1149 {
1150         int width = c2c_width(fmt, hpp, he->hists);
1151
1152         return scnprintf(hpp->buf, hpp->size, "%*d", width, he->thread->pid_);
1153 }
1154
1155 static int64_t
1156 pid_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
1157         struct hist_entry *left, struct hist_entry *right)
1158 {
1159         return left->thread->pid_ - right->thread->pid_;
1160 }
1161
1162 static int64_t
1163 empty_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
1164           struct hist_entry *left __maybe_unused,
1165           struct hist_entry *right __maybe_unused)
1166 {
1167         return 0;
1168 }
1169
1170 static int display_metrics(struct perf_hpp *hpp, u32 val, u32 sum)
1171 {
1172         int ret;
1173
1174         if (sum != 0)
1175                 ret = scnprintf(hpp->buf, hpp->size, "%5.1f%% ",
1176                                 percent(val, sum));
1177         else
1178                 ret = scnprintf(hpp->buf, hpp->size, "%6s ", "n/a");
1179
1180         return ret;
1181 }
1182
1183 static int
1184 node_entry(struct perf_hpp_fmt *fmt __maybe_unused, struct perf_hpp *hpp,
1185            struct hist_entry *he)
1186 {
1187         struct c2c_hist_entry *c2c_he;
1188         bool first = true;
1189         int node;
1190         int ret = 0;
1191
1192         c2c_he = container_of(he, struct c2c_hist_entry, he);
1193
1194         for (node = 0; node < c2c.nodes_cnt; node++) {
1195                 DECLARE_BITMAP(set, c2c.cpus_cnt);
1196
1197                 bitmap_zero(set, c2c.cpus_cnt);
1198                 bitmap_and(set, c2c_he->cpuset, c2c.nodes[node], c2c.cpus_cnt);
1199
1200                 if (bitmap_empty(set, c2c.cpus_cnt)) {
1201                         if (c2c.node_info == 1) {
1202                                 ret = scnprintf(hpp->buf, hpp->size, "%21s", " ");
1203                                 advance_hpp(hpp, ret);
1204                         }
1205                         continue;
1206                 }
1207
1208                 if (!first) {
1209                         ret = scnprintf(hpp->buf, hpp->size, " ");
1210                         advance_hpp(hpp, ret);
1211                 }
1212
1213                 switch (c2c.node_info) {
1214                 case 0:
1215                         ret = scnprintf(hpp->buf, hpp->size, "%2d", node);
1216                         advance_hpp(hpp, ret);
1217                         break;
1218                 case 1:
1219                 {
1220                         int num = bitmap_weight(set, c2c.cpus_cnt);
1221                         struct c2c_stats *stats = &c2c_he->node_stats[node];
1222
1223                         ret = scnprintf(hpp->buf, hpp->size, "%2d{%2d ", node, num);
1224                         advance_hpp(hpp, ret);
1225
1226                         switch (c2c.display) {
1227                         case DISPLAY_RMT_HITM:
1228                                 ret = display_metrics(hpp, stats->rmt_hitm,
1229                                                       c2c_he->stats.rmt_hitm);
1230                                 break;
1231                         case DISPLAY_LCL_HITM:
1232                                 ret = display_metrics(hpp, stats->lcl_hitm,
1233                                                       c2c_he->stats.lcl_hitm);
1234                                 break;
1235                         case DISPLAY_TOT_HITM:
1236                                 ret = display_metrics(hpp, stats->tot_hitm,
1237                                                       c2c_he->stats.tot_hitm);
1238                                 break;
1239                         case DISPLAY_SNP_PEER:
1240                                 ret = display_metrics(hpp, stats->tot_peer,
1241                                                       c2c_he->stats.tot_peer);
1242                                 break;
1243                         default:
1244                                 break;
1245                         }
1246
1247                         advance_hpp(hpp, ret);
1248
1249                         if (c2c_he->stats.store > 0) {
1250                                 ret = scnprintf(hpp->buf, hpp->size, "%5.1f%%}",
1251                                                 percent(stats->store, c2c_he->stats.store));
1252                         } else {
1253                                 ret = scnprintf(hpp->buf, hpp->size, "%6s}", "n/a");
1254                         }
1255
1256                         advance_hpp(hpp, ret);
1257                         break;
1258                 }
1259                 case 2:
1260                         ret = scnprintf(hpp->buf, hpp->size, "%2d{", node);
1261                         advance_hpp(hpp, ret);
1262
1263                         ret = bitmap_scnprintf(set, c2c.cpus_cnt, hpp->buf, hpp->size);
1264                         advance_hpp(hpp, ret);
1265
1266                         ret = scnprintf(hpp->buf, hpp->size, "}");
1267                         advance_hpp(hpp, ret);
1268                         break;
1269                 default:
1270                         break;
1271                 }
1272
1273                 first = false;
1274         }
1275
1276         return 0;
1277 }
1278
1279 static int
1280 mean_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1281            struct hist_entry *he, double mean)
1282 {
1283         int width = c2c_width(fmt, hpp, he->hists);
1284         char buf[10];
1285
1286         scnprintf(buf, 10, "%6.0f", mean);
1287         return scnprintf(hpp->buf, hpp->size, "%*s", width, buf);
1288 }
1289
1290 #define MEAN_ENTRY(__func, __val)                                               \
1291 static int                                                                      \
1292 __func(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, struct hist_entry *he)   \
1293 {                                                                               \
1294         struct c2c_hist_entry *c2c_he;                                          \
1295         c2c_he = container_of(he, struct c2c_hist_entry, he);                   \
1296         return mean_entry(fmt, hpp, he, avg_stats(&c2c_he->cstats.__val));      \
1297 }
1298
1299 MEAN_ENTRY(mean_rmt_entry,  rmt_hitm);
1300 MEAN_ENTRY(mean_lcl_entry,  lcl_hitm);
1301 MEAN_ENTRY(mean_load_entry, load);
1302 MEAN_ENTRY(mean_rmt_peer_entry, rmt_peer);
1303 MEAN_ENTRY(mean_lcl_peer_entry, lcl_peer);
1304
1305 static int
1306 cpucnt_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1307              struct hist_entry *he)
1308 {
1309         struct c2c_hist_entry *c2c_he;
1310         int width = c2c_width(fmt, hpp, he->hists);
1311         char buf[10];
1312
1313         c2c_he = container_of(he, struct c2c_hist_entry, he);
1314
1315         scnprintf(buf, 10, "%d", bitmap_weight(c2c_he->cpuset, c2c.cpus_cnt));
1316         return scnprintf(hpp->buf, hpp->size, "%*s", width, buf);
1317 }
1318
1319 static int
1320 cl_idx_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1321              struct hist_entry *he)
1322 {
1323         struct c2c_hist_entry *c2c_he;
1324         int width = c2c_width(fmt, hpp, he->hists);
1325         char buf[10];
1326
1327         c2c_he = container_of(he, struct c2c_hist_entry, he);
1328
1329         scnprintf(buf, 10, "%u", c2c_he->cacheline_idx);
1330         return scnprintf(hpp->buf, hpp->size, "%*s", width, buf);
1331 }
1332
1333 static int
1334 cl_idx_empty_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1335                    struct hist_entry *he)
1336 {
1337         int width = c2c_width(fmt, hpp, he->hists);
1338
1339         return scnprintf(hpp->buf, hpp->size, "%*s", width, "");
1340 }
1341
1342 #define HEADER_LOW(__h)                 \
1343         {                               \
1344                 .line[1] = {            \
1345                         .text = __h,    \
1346                 },                      \
1347         }
1348
1349 #define HEADER_BOTH(__h0, __h1)         \
1350         {                               \
1351                 .line[0] = {            \
1352                         .text = __h0,   \
1353                 },                      \
1354                 .line[1] = {            \
1355                         .text = __h1,   \
1356                 },                      \
1357         }
1358
1359 #define HEADER_SPAN(__h0, __h1, __s)    \
1360         {                               \
1361                 .line[0] = {            \
1362                         .text = __h0,   \
1363                         .span = __s,    \
1364                 },                      \
1365                 .line[1] = {            \
1366                         .text = __h1,   \
1367                 },                      \
1368         }
1369
1370 #define HEADER_SPAN_LOW(__h)            \
1371         {                               \
1372                 .line[1] = {            \
1373                         .text = __h,    \
1374                 },                      \
1375         }
1376
1377 static struct c2c_dimension dim_dcacheline = {
1378         .header         = HEADER_SPAN("--- Cacheline ----", "Address", 2),
1379         .name           = "dcacheline",
1380         .cmp            = dcacheline_cmp,
1381         .entry          = dcacheline_entry,
1382         .width          = 18,
1383 };
1384
1385 static struct c2c_dimension dim_dcacheline_node = {
1386         .header         = HEADER_LOW("Node"),
1387         .name           = "dcacheline_node",
1388         .cmp            = empty_cmp,
1389         .entry          = dcacheline_node_entry,
1390         .width          = 4,
1391 };
1392
1393 static struct c2c_dimension dim_dcacheline_count = {
1394         .header         = HEADER_LOW("PA cnt"),
1395         .name           = "dcacheline_count",
1396         .cmp            = empty_cmp,
1397         .entry          = dcacheline_node_count,
1398         .width          = 6,
1399 };
1400
1401 static struct c2c_header header_offset_tui = HEADER_SPAN("-----", "Off", 2);
1402
1403 static struct c2c_dimension dim_offset = {
1404         .header         = HEADER_SPAN("--- Data address -", "Offset", 2),
1405         .name           = "offset",
1406         .cmp            = offset_cmp,
1407         .entry          = offset_entry,
1408         .width          = 18,
1409 };
1410
1411 static struct c2c_dimension dim_offset_node = {
1412         .header         = HEADER_LOW("Node"),
1413         .name           = "offset_node",
1414         .cmp            = empty_cmp,
1415         .entry          = dcacheline_node_entry,
1416         .width          = 4,
1417 };
1418
1419 static struct c2c_dimension dim_iaddr = {
1420         .header         = HEADER_LOW("Code address"),
1421         .name           = "iaddr",
1422         .cmp            = iaddr_cmp,
1423         .entry          = iaddr_entry,
1424         .width          = 18,
1425 };
1426
1427 static struct c2c_dimension dim_tot_hitm = {
1428         .header         = HEADER_SPAN("------- Load Hitm -------", "Total", 2),
1429         .name           = "tot_hitm",
1430         .cmp            = tot_hitm_cmp,
1431         .entry          = tot_hitm_entry,
1432         .width          = 7,
1433 };
1434
1435 static struct c2c_dimension dim_lcl_hitm = {
1436         .header         = HEADER_SPAN_LOW("LclHitm"),
1437         .name           = "lcl_hitm",
1438         .cmp            = lcl_hitm_cmp,
1439         .entry          = lcl_hitm_entry,
1440         .width          = 7,
1441 };
1442
1443 static struct c2c_dimension dim_rmt_hitm = {
1444         .header         = HEADER_SPAN_LOW("RmtHitm"),
1445         .name           = "rmt_hitm",
1446         .cmp            = rmt_hitm_cmp,
1447         .entry          = rmt_hitm_entry,
1448         .width          = 7,
1449 };
1450
1451 static struct c2c_dimension dim_tot_peer = {
1452         .header         = HEADER_SPAN("------- Load Peer -------", "Total", 2),
1453         .name           = "tot_peer",
1454         .cmp            = tot_peer_cmp,
1455         .entry          = tot_peer_entry,
1456         .width          = 7,
1457 };
1458
1459 static struct c2c_dimension dim_lcl_peer = {
1460         .header         = HEADER_SPAN_LOW("Local"),
1461         .name           = "lcl_peer",
1462         .cmp            = lcl_peer_cmp,
1463         .entry          = lcl_peer_entry,
1464         .width          = 7,
1465 };
1466
1467 static struct c2c_dimension dim_rmt_peer = {
1468         .header         = HEADER_SPAN_LOW("Remote"),
1469         .name           = "rmt_peer",
1470         .cmp            = rmt_peer_cmp,
1471         .entry          = rmt_peer_entry,
1472         .width          = 7,
1473 };
1474
1475 static struct c2c_dimension dim_cl_rmt_hitm = {
1476         .header         = HEADER_SPAN("----- HITM -----", "Rmt", 1),
1477         .name           = "cl_rmt_hitm",
1478         .cmp            = rmt_hitm_cmp,
1479         .entry          = rmt_hitm_entry,
1480         .width          = 7,
1481 };
1482
1483 static struct c2c_dimension dim_cl_lcl_hitm = {
1484         .header         = HEADER_SPAN_LOW("Lcl"),
1485         .name           = "cl_lcl_hitm",
1486         .cmp            = lcl_hitm_cmp,
1487         .entry          = lcl_hitm_entry,
1488         .width          = 7,
1489 };
1490
1491 static struct c2c_dimension dim_cl_rmt_peer = {
1492         .header         = HEADER_SPAN("----- Peer -----", "Rmt", 1),
1493         .name           = "cl_rmt_peer",
1494         .cmp            = rmt_peer_cmp,
1495         .entry          = rmt_peer_entry,
1496         .width          = 7,
1497 };
1498
1499 static struct c2c_dimension dim_cl_lcl_peer = {
1500         .header         = HEADER_SPAN_LOW("Lcl"),
1501         .name           = "cl_lcl_peer",
1502         .cmp            = lcl_peer_cmp,
1503         .entry          = lcl_peer_entry,
1504         .width          = 7,
1505 };
1506
1507 static struct c2c_dimension dim_tot_stores = {
1508         .header         = HEADER_BOTH("Total", "Stores"),
1509         .name           = "tot_stores",
1510         .cmp            = store_cmp,
1511         .entry          = store_entry,
1512         .width          = 7,
1513 };
1514
1515 static struct c2c_dimension dim_stores_l1hit = {
1516         .header         = HEADER_SPAN("--------- Stores --------", "L1Hit", 2),
1517         .name           = "stores_l1hit",
1518         .cmp            = st_l1hit_cmp,
1519         .entry          = st_l1hit_entry,
1520         .width          = 7,
1521 };
1522
1523 static struct c2c_dimension dim_stores_l1miss = {
1524         .header         = HEADER_SPAN_LOW("L1Miss"),
1525         .name           = "stores_l1miss",
1526         .cmp            = st_l1miss_cmp,
1527         .entry          = st_l1miss_entry,
1528         .width          = 7,
1529 };
1530
1531 static struct c2c_dimension dim_stores_na = {
1532         .header         = HEADER_SPAN_LOW("N/A"),
1533         .name           = "stores_na",
1534         .cmp            = st_na_cmp,
1535         .entry          = st_na_entry,
1536         .width          = 7,
1537 };
1538
1539 static struct c2c_dimension dim_cl_stores_l1hit = {
1540         .header         = HEADER_SPAN("------- Store Refs ------", "L1 Hit", 2),
1541         .name           = "cl_stores_l1hit",
1542         .cmp            = st_l1hit_cmp,
1543         .entry          = st_l1hit_entry,
1544         .width          = 7,
1545 };
1546
1547 static struct c2c_dimension dim_cl_stores_l1miss = {
1548         .header         = HEADER_SPAN_LOW("L1 Miss"),
1549         .name           = "cl_stores_l1miss",
1550         .cmp            = st_l1miss_cmp,
1551         .entry          = st_l1miss_entry,
1552         .width          = 7,
1553 };
1554
1555 static struct c2c_dimension dim_cl_stores_na = {
1556         .header         = HEADER_SPAN_LOW("N/A"),
1557         .name           = "cl_stores_na",
1558         .cmp            = st_na_cmp,
1559         .entry          = st_na_entry,
1560         .width          = 7,
1561 };
1562
1563 static struct c2c_dimension dim_ld_fbhit = {
1564         .header         = HEADER_SPAN("----- Core Load Hit -----", "FB", 2),
1565         .name           = "ld_fbhit",
1566         .cmp            = ld_fbhit_cmp,
1567         .entry          = ld_fbhit_entry,
1568         .width          = 7,
1569 };
1570
1571 static struct c2c_dimension dim_ld_l1hit = {
1572         .header         = HEADER_SPAN_LOW("L1"),
1573         .name           = "ld_l1hit",
1574         .cmp            = ld_l1hit_cmp,
1575         .entry          = ld_l1hit_entry,
1576         .width          = 7,
1577 };
1578
1579 static struct c2c_dimension dim_ld_l2hit = {
1580         .header         = HEADER_SPAN_LOW("L2"),
1581         .name           = "ld_l2hit",
1582         .cmp            = ld_l2hit_cmp,
1583         .entry          = ld_l2hit_entry,
1584         .width          = 7,
1585 };
1586
1587 static struct c2c_dimension dim_ld_llchit = {
1588         .header         = HEADER_SPAN("- LLC Load Hit --", "LclHit", 1),
1589         .name           = "ld_lclhit",
1590         .cmp            = ld_llchit_cmp,
1591         .entry          = ld_llchit_entry,
1592         .width          = 8,
1593 };
1594
1595 static struct c2c_dimension dim_ld_rmthit = {
1596         .header         = HEADER_SPAN("- RMT Load Hit --", "RmtHit", 1),
1597         .name           = "ld_rmthit",
1598         .cmp            = rmt_hit_cmp,
1599         .entry          = rmt_hit_entry,
1600         .width          = 8,
1601 };
1602
1603 static struct c2c_dimension dim_tot_recs = {
1604         .header         = HEADER_BOTH("Total", "records"),
1605         .name           = "tot_recs",
1606         .cmp            = tot_recs_cmp,
1607         .entry          = tot_recs_entry,
1608         .width          = 7,
1609 };
1610
1611 static struct c2c_dimension dim_tot_loads = {
1612         .header         = HEADER_BOTH("Total", "Loads"),
1613         .name           = "tot_loads",
1614         .cmp            = tot_loads_cmp,
1615         .entry          = tot_loads_entry,
1616         .width          = 7,
1617 };
1618
1619 static struct c2c_header percent_costly_snoop_header[] = {
1620         [DISPLAY_LCL_HITM] = HEADER_BOTH("Lcl", "Hitm"),
1621         [DISPLAY_RMT_HITM] = HEADER_BOTH("Rmt", "Hitm"),
1622         [DISPLAY_TOT_HITM] = HEADER_BOTH("Tot", "Hitm"),
1623         [DISPLAY_SNP_PEER] = HEADER_BOTH("Peer", "Snoop"),
1624 };
1625
1626 static struct c2c_dimension dim_percent_costly_snoop = {
1627         .name           = "percent_costly_snoop",
1628         .cmp            = percent_costly_snoop_cmp,
1629         .entry          = percent_costly_snoop_entry,
1630         .color          = percent_costly_snoop_color,
1631         .width          = 7,
1632 };
1633
1634 static struct c2c_dimension dim_percent_rmt_hitm = {
1635         .header         = HEADER_SPAN("----- HITM -----", "RmtHitm", 1),
1636         .name           = "percent_rmt_hitm",
1637         .cmp            = percent_rmt_hitm_cmp,
1638         .entry          = percent_rmt_hitm_entry,
1639         .color          = percent_rmt_hitm_color,
1640         .width          = 7,
1641 };
1642
1643 static struct c2c_dimension dim_percent_lcl_hitm = {
1644         .header         = HEADER_SPAN_LOW("LclHitm"),
1645         .name           = "percent_lcl_hitm",
1646         .cmp            = percent_lcl_hitm_cmp,
1647         .entry          = percent_lcl_hitm_entry,
1648         .color          = percent_lcl_hitm_color,
1649         .width          = 7,
1650 };
1651
1652 static struct c2c_dimension dim_percent_rmt_peer = {
1653         .header         = HEADER_SPAN("-- Peer Snoop --", "Rmt", 1),
1654         .name           = "percent_rmt_peer",
1655         .cmp            = percent_rmt_peer_cmp,
1656         .entry          = percent_rmt_peer_entry,
1657         .color          = percent_rmt_peer_color,
1658         .width          = 7,
1659 };
1660
1661 static struct c2c_dimension dim_percent_lcl_peer = {
1662         .header         = HEADER_SPAN_LOW("Lcl"),
1663         .name           = "percent_lcl_peer",
1664         .cmp            = percent_lcl_peer_cmp,
1665         .entry          = percent_lcl_peer_entry,
1666         .color          = percent_lcl_peer_color,
1667         .width          = 7,
1668 };
1669
1670 static struct c2c_dimension dim_percent_stores_l1hit = {
1671         .header         = HEADER_SPAN("------- Store Refs ------", "L1 Hit", 2),
1672         .name           = "percent_stores_l1hit",
1673         .cmp            = percent_stores_l1hit_cmp,
1674         .entry          = percent_stores_l1hit_entry,
1675         .color          = percent_stores_l1hit_color,
1676         .width          = 7,
1677 };
1678
1679 static struct c2c_dimension dim_percent_stores_l1miss = {
1680         .header         = HEADER_SPAN_LOW("L1 Miss"),
1681         .name           = "percent_stores_l1miss",
1682         .cmp            = percent_stores_l1miss_cmp,
1683         .entry          = percent_stores_l1miss_entry,
1684         .color          = percent_stores_l1miss_color,
1685         .width          = 7,
1686 };
1687
1688 static struct c2c_dimension dim_percent_stores_na = {
1689         .header         = HEADER_SPAN_LOW("N/A"),
1690         .name           = "percent_stores_na",
1691         .cmp            = percent_stores_na_cmp,
1692         .entry          = percent_stores_na_entry,
1693         .color          = percent_stores_na_color,
1694         .width          = 7,
1695 };
1696
1697 static struct c2c_dimension dim_dram_lcl = {
1698         .header         = HEADER_SPAN("--- Load Dram ----", "Lcl", 1),
1699         .name           = "dram_lcl",
1700         .cmp            = lcl_dram_cmp,
1701         .entry          = lcl_dram_entry,
1702         .width          = 8,
1703 };
1704
1705 static struct c2c_dimension dim_dram_rmt = {
1706         .header         = HEADER_SPAN_LOW("Rmt"),
1707         .name           = "dram_rmt",
1708         .cmp            = rmt_dram_cmp,
1709         .entry          = rmt_dram_entry,
1710         .width          = 8,
1711 };
1712
1713 static struct c2c_dimension dim_pid = {
1714         .header         = HEADER_LOW("Pid"),
1715         .name           = "pid",
1716         .cmp            = pid_cmp,
1717         .entry          = pid_entry,
1718         .width          = 7,
1719 };
1720
1721 static struct c2c_dimension dim_tid = {
1722         .header         = HEADER_LOW("Tid"),
1723         .name           = "tid",
1724         .se             = &sort_thread,
1725 };
1726
1727 static struct c2c_dimension dim_symbol = {
1728         .name           = "symbol",
1729         .se             = &sort_sym,
1730 };
1731
1732 static struct c2c_dimension dim_dso = {
1733         .header         = HEADER_BOTH("Shared", "Object"),
1734         .name           = "dso",
1735         .se             = &sort_dso,
1736 };
1737
1738 static struct c2c_dimension dim_node = {
1739         .name           = "node",
1740         .cmp            = empty_cmp,
1741         .entry          = node_entry,
1742         .width          = 4,
1743 };
1744
1745 static struct c2c_dimension dim_mean_rmt = {
1746         .header         = HEADER_SPAN("---------- cycles ----------", "rmt hitm", 2),
1747         .name           = "mean_rmt",
1748         .cmp            = empty_cmp,
1749         .entry          = mean_rmt_entry,
1750         .width          = 8,
1751 };
1752
1753 static struct c2c_dimension dim_mean_lcl = {
1754         .header         = HEADER_SPAN_LOW("lcl hitm"),
1755         .name           = "mean_lcl",
1756         .cmp            = empty_cmp,
1757         .entry          = mean_lcl_entry,
1758         .width          = 8,
1759 };
1760
1761 static struct c2c_dimension dim_mean_load = {
1762         .header         = HEADER_SPAN_LOW("load"),
1763         .name           = "mean_load",
1764         .cmp            = empty_cmp,
1765         .entry          = mean_load_entry,
1766         .width          = 8,
1767 };
1768
1769 static struct c2c_dimension dim_mean_rmt_peer = {
1770         .header         = HEADER_SPAN("---------- cycles ----------", "rmt peer", 2),
1771         .name           = "mean_rmt_peer",
1772         .cmp            = empty_cmp,
1773         .entry          = mean_rmt_peer_entry,
1774         .width          = 8,
1775 };
1776
1777 static struct c2c_dimension dim_mean_lcl_peer = {
1778         .header         = HEADER_SPAN_LOW("lcl peer"),
1779         .name           = "mean_lcl_peer",
1780         .cmp            = empty_cmp,
1781         .entry          = mean_lcl_peer_entry,
1782         .width          = 8,
1783 };
1784
1785 static struct c2c_dimension dim_cpucnt = {
1786         .header         = HEADER_BOTH("cpu", "cnt"),
1787         .name           = "cpucnt",
1788         .cmp            = empty_cmp,
1789         .entry          = cpucnt_entry,
1790         .width          = 8,
1791 };
1792
1793 static struct c2c_dimension dim_srcline = {
1794         .name           = "cl_srcline",
1795         .se             = &sort_srcline,
1796 };
1797
1798 static struct c2c_dimension dim_dcacheline_idx = {
1799         .header         = HEADER_LOW("Index"),
1800         .name           = "cl_idx",
1801         .cmp            = empty_cmp,
1802         .entry          = cl_idx_entry,
1803         .width          = 5,
1804 };
1805
1806 static struct c2c_dimension dim_dcacheline_num = {
1807         .header         = HEADER_LOW("Num"),
1808         .name           = "cl_num",
1809         .cmp            = empty_cmp,
1810         .entry          = cl_idx_entry,
1811         .width          = 5,
1812 };
1813
1814 static struct c2c_dimension dim_dcacheline_num_empty = {
1815         .header         = HEADER_LOW("Num"),
1816         .name           = "cl_num_empty",
1817         .cmp            = empty_cmp,
1818         .entry          = cl_idx_empty_entry,
1819         .width          = 5,
1820 };
1821
1822 static struct c2c_dimension *dimensions[] = {
1823         &dim_dcacheline,
1824         &dim_dcacheline_node,
1825         &dim_dcacheline_count,
1826         &dim_offset,
1827         &dim_offset_node,
1828         &dim_iaddr,
1829         &dim_tot_hitm,
1830         &dim_lcl_hitm,
1831         &dim_rmt_hitm,
1832         &dim_tot_peer,
1833         &dim_lcl_peer,
1834         &dim_rmt_peer,
1835         &dim_cl_lcl_hitm,
1836         &dim_cl_rmt_hitm,
1837         &dim_cl_lcl_peer,
1838         &dim_cl_rmt_peer,
1839         &dim_tot_stores,
1840         &dim_stores_l1hit,
1841         &dim_stores_l1miss,
1842         &dim_stores_na,
1843         &dim_cl_stores_l1hit,
1844         &dim_cl_stores_l1miss,
1845         &dim_cl_stores_na,
1846         &dim_ld_fbhit,
1847         &dim_ld_l1hit,
1848         &dim_ld_l2hit,
1849         &dim_ld_llchit,
1850         &dim_ld_rmthit,
1851         &dim_tot_recs,
1852         &dim_tot_loads,
1853         &dim_percent_costly_snoop,
1854         &dim_percent_rmt_hitm,
1855         &dim_percent_lcl_hitm,
1856         &dim_percent_rmt_peer,
1857         &dim_percent_lcl_peer,
1858         &dim_percent_stores_l1hit,
1859         &dim_percent_stores_l1miss,
1860         &dim_percent_stores_na,
1861         &dim_dram_lcl,
1862         &dim_dram_rmt,
1863         &dim_pid,
1864         &dim_tid,
1865         &dim_symbol,
1866         &dim_dso,
1867         &dim_node,
1868         &dim_mean_rmt,
1869         &dim_mean_lcl,
1870         &dim_mean_rmt_peer,
1871         &dim_mean_lcl_peer,
1872         &dim_mean_load,
1873         &dim_cpucnt,
1874         &dim_srcline,
1875         &dim_dcacheline_idx,
1876         &dim_dcacheline_num,
1877         &dim_dcacheline_num_empty,
1878         NULL,
1879 };
1880
1881 static void fmt_free(struct perf_hpp_fmt *fmt)
1882 {
1883         struct c2c_fmt *c2c_fmt;
1884
1885         c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
1886         free(c2c_fmt);
1887 }
1888
1889 static bool fmt_equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b)
1890 {
1891         struct c2c_fmt *c2c_a = container_of(a, struct c2c_fmt, fmt);
1892         struct c2c_fmt *c2c_b = container_of(b, struct c2c_fmt, fmt);
1893
1894         return c2c_a->dim == c2c_b->dim;
1895 }
1896
1897 static struct c2c_dimension *get_dimension(const char *name)
1898 {
1899         unsigned int i;
1900
1901         for (i = 0; dimensions[i]; i++) {
1902                 struct c2c_dimension *dim = dimensions[i];
1903
1904                 if (!strcmp(dim->name, name))
1905                         return dim;
1906         }
1907
1908         return NULL;
1909 }
1910
1911 static int c2c_se_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1912                         struct hist_entry *he)
1913 {
1914         struct c2c_fmt *c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
1915         struct c2c_dimension *dim = c2c_fmt->dim;
1916         size_t len = fmt->user_len;
1917
1918         if (!len) {
1919                 len = hists__col_len(he->hists, dim->se->se_width_idx);
1920
1921                 if (dim == &dim_symbol || dim == &dim_srcline)
1922                         len = symbol_width(he->hists, dim->se);
1923         }
1924
1925         return dim->se->se_snprintf(he, hpp->buf, hpp->size, len);
1926 }
1927
1928 static int64_t c2c_se_cmp(struct perf_hpp_fmt *fmt,
1929                           struct hist_entry *a, struct hist_entry *b)
1930 {
1931         struct c2c_fmt *c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
1932         struct c2c_dimension *dim = c2c_fmt->dim;
1933
1934         return dim->se->se_cmp(a, b);
1935 }
1936
1937 static int64_t c2c_se_collapse(struct perf_hpp_fmt *fmt,
1938                                struct hist_entry *a, struct hist_entry *b)
1939 {
1940         struct c2c_fmt *c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
1941         struct c2c_dimension *dim = c2c_fmt->dim;
1942         int64_t (*collapse_fn)(struct hist_entry *, struct hist_entry *);
1943
1944         collapse_fn = dim->se->se_collapse ?: dim->se->se_cmp;
1945         return collapse_fn(a, b);
1946 }
1947
1948 static struct c2c_fmt *get_format(const char *name)
1949 {
1950         struct c2c_dimension *dim = get_dimension(name);
1951         struct c2c_fmt *c2c_fmt;
1952         struct perf_hpp_fmt *fmt;
1953
1954         if (!dim)
1955                 return NULL;
1956
1957         c2c_fmt = zalloc(sizeof(*c2c_fmt));
1958         if (!c2c_fmt)
1959                 return NULL;
1960
1961         c2c_fmt->dim = dim;
1962
1963         fmt = &c2c_fmt->fmt;
1964         INIT_LIST_HEAD(&fmt->list);
1965         INIT_LIST_HEAD(&fmt->sort_list);
1966
1967         fmt->cmp        = dim->se ? c2c_se_cmp   : dim->cmp;
1968         fmt->sort       = dim->se ? c2c_se_cmp   : dim->cmp;
1969         fmt->color      = dim->se ? NULL         : dim->color;
1970         fmt->entry      = dim->se ? c2c_se_entry : dim->entry;
1971         fmt->header     = c2c_header;
1972         fmt->width      = c2c_width;
1973         fmt->collapse   = dim->se ? c2c_se_collapse : dim->cmp;
1974         fmt->equal      = fmt_equal;
1975         fmt->free       = fmt_free;
1976
1977         return c2c_fmt;
1978 }
1979
1980 static int c2c_hists__init_output(struct perf_hpp_list *hpp_list, char *name)
1981 {
1982         struct c2c_fmt *c2c_fmt = get_format(name);
1983
1984         if (!c2c_fmt) {
1985                 reset_dimensions();
1986                 return output_field_add(hpp_list, name);
1987         }
1988
1989         perf_hpp_list__column_register(hpp_list, &c2c_fmt->fmt);
1990         return 0;
1991 }
1992
1993 static int c2c_hists__init_sort(struct perf_hpp_list *hpp_list, char *name)
1994 {
1995         struct c2c_fmt *c2c_fmt = get_format(name);
1996         struct c2c_dimension *dim;
1997
1998         if (!c2c_fmt) {
1999                 reset_dimensions();
2000                 return sort_dimension__add(hpp_list, name, NULL, 0);
2001         }
2002
2003         dim = c2c_fmt->dim;
2004         if (dim == &dim_dso)
2005                 hpp_list->dso = 1;
2006
2007         perf_hpp_list__register_sort_field(hpp_list, &c2c_fmt->fmt);
2008         return 0;
2009 }
2010
2011 #define PARSE_LIST(_list, _fn)                                                  \
2012         do {                                                                    \
2013                 char *tmp, *tok;                                                \
2014                 ret = 0;                                                        \
2015                                                                                 \
2016                 if (!_list)                                                     \
2017                         break;                                                  \
2018                                                                                 \
2019                 for (tok = strtok_r((char *)_list, ", ", &tmp);                 \
2020                                 tok; tok = strtok_r(NULL, ", ", &tmp)) {        \
2021                         ret = _fn(hpp_list, tok);                               \
2022                         if (ret == -EINVAL) {                                   \
2023                                 pr_err("Invalid --fields key: `%s'", tok);      \
2024                                 break;                                          \
2025                         } else if (ret == -ESRCH) {                             \
2026                                 pr_err("Unknown --fields key: `%s'", tok);      \
2027                                 break;                                          \
2028                         }                                                       \
2029                 }                                                               \
2030         } while (0)
2031
2032 static int hpp_list__parse(struct perf_hpp_list *hpp_list,
2033                            const char *output_,
2034                            const char *sort_)
2035 {
2036         char *output = output_ ? strdup(output_) : NULL;
2037         char *sort   = sort_   ? strdup(sort_) : NULL;
2038         int ret;
2039
2040         PARSE_LIST(output, c2c_hists__init_output);
2041         PARSE_LIST(sort,   c2c_hists__init_sort);
2042
2043         /* copy sort keys to output fields */
2044         perf_hpp__setup_output_field(hpp_list);
2045
2046         /*
2047          * We dont need other sorting keys other than those
2048          * we already specified. It also really slows down
2049          * the processing a lot with big number of output
2050          * fields, so switching this off for c2c.
2051          */
2052
2053 #if 0
2054         /* and then copy output fields to sort keys */
2055         perf_hpp__append_sort_keys(&hists->list);
2056 #endif
2057
2058         free(output);
2059         free(sort);
2060         return ret;
2061 }
2062
2063 static int c2c_hists__init(struct c2c_hists *hists,
2064                            const char *sort,
2065                            int nr_header_lines)
2066 {
2067         __hists__init(&hists->hists, &hists->list);
2068
2069         /*
2070          * Initialize only with sort fields, we need to resort
2071          * later anyway, and that's where we add output fields
2072          * as well.
2073          */
2074         perf_hpp_list__init(&hists->list);
2075
2076         /* Overload number of header lines.*/
2077         hists->list.nr_header_lines = nr_header_lines;
2078
2079         return hpp_list__parse(&hists->list, NULL, sort);
2080 }
2081
2082 static int c2c_hists__reinit(struct c2c_hists *c2c_hists,
2083                              const char *output,
2084                              const char *sort)
2085 {
2086         perf_hpp__reset_output_field(&c2c_hists->list);
2087         return hpp_list__parse(&c2c_hists->list, output, sort);
2088 }
2089
2090 #define DISPLAY_LINE_LIMIT  0.001
2091
2092 static u8 filter_display(u32 val, u32 sum)
2093 {
2094         if (sum == 0 || ((double)val / sum) < DISPLAY_LINE_LIMIT)
2095                 return HIST_FILTER__C2C;
2096
2097         return 0;
2098 }
2099
2100 static bool he__display(struct hist_entry *he, struct c2c_stats *stats)
2101 {
2102         struct c2c_hist_entry *c2c_he;
2103
2104         if (c2c.show_all)
2105                 return true;
2106
2107         c2c_he = container_of(he, struct c2c_hist_entry, he);
2108
2109         switch (c2c.display) {
2110         case DISPLAY_LCL_HITM:
2111                 he->filtered = filter_display(c2c_he->stats.lcl_hitm,
2112                                               stats->lcl_hitm);
2113                 break;
2114         case DISPLAY_RMT_HITM:
2115                 he->filtered = filter_display(c2c_he->stats.rmt_hitm,
2116                                               stats->rmt_hitm);
2117                 break;
2118         case DISPLAY_TOT_HITM:
2119                 he->filtered = filter_display(c2c_he->stats.tot_hitm,
2120                                               stats->tot_hitm);
2121                 break;
2122         case DISPLAY_SNP_PEER:
2123                 he->filtered = filter_display(c2c_he->stats.tot_peer,
2124                                               stats->tot_peer);
2125                 break;
2126         default:
2127                 break;
2128         }
2129
2130         return he->filtered == 0;
2131 }
2132
2133 static inline bool is_valid_hist_entry(struct hist_entry *he)
2134 {
2135         struct c2c_hist_entry *c2c_he;
2136         bool has_record = false;
2137
2138         c2c_he = container_of(he, struct c2c_hist_entry, he);
2139
2140         /* It's a valid entry if contains stores */
2141         if (c2c_he->stats.store)
2142                 return true;
2143
2144         switch (c2c.display) {
2145         case DISPLAY_LCL_HITM:
2146                 has_record = !!c2c_he->stats.lcl_hitm;
2147                 break;
2148         case DISPLAY_RMT_HITM:
2149                 has_record = !!c2c_he->stats.rmt_hitm;
2150                 break;
2151         case DISPLAY_TOT_HITM:
2152                 has_record = !!c2c_he->stats.tot_hitm;
2153                 break;
2154         case DISPLAY_SNP_PEER:
2155                 has_record = !!c2c_he->stats.tot_peer;
2156         default:
2157                 break;
2158         }
2159
2160         return has_record;
2161 }
2162
2163 static void set_node_width(struct c2c_hist_entry *c2c_he, int len)
2164 {
2165         struct c2c_dimension *dim;
2166
2167         dim = &c2c.hists == c2c_he->hists ?
2168               &dim_dcacheline_node : &dim_offset_node;
2169
2170         if (len > dim->width)
2171                 dim->width = len;
2172 }
2173
2174 static int set_nodestr(struct c2c_hist_entry *c2c_he)
2175 {
2176         char buf[30];
2177         int len;
2178
2179         if (c2c_he->nodestr)
2180                 return 0;
2181
2182         if (!bitmap_empty(c2c_he->nodeset, c2c.nodes_cnt)) {
2183                 len = bitmap_scnprintf(c2c_he->nodeset, c2c.nodes_cnt,
2184                                       buf, sizeof(buf));
2185         } else {
2186                 len = scnprintf(buf, sizeof(buf), "N/A");
2187         }
2188
2189         set_node_width(c2c_he, len);
2190         c2c_he->nodestr = strdup(buf);
2191         return c2c_he->nodestr ? 0 : -ENOMEM;
2192 }
2193
2194 static void calc_width(struct c2c_hist_entry *c2c_he)
2195 {
2196         struct c2c_hists *c2c_hists;
2197
2198         c2c_hists = container_of(c2c_he->he.hists, struct c2c_hists, hists);
2199         hists__calc_col_len(&c2c_hists->hists, &c2c_he->he);
2200         set_nodestr(c2c_he);
2201 }
2202
2203 static int filter_cb(struct hist_entry *he, void *arg __maybe_unused)
2204 {
2205         struct c2c_hist_entry *c2c_he;
2206
2207         c2c_he = container_of(he, struct c2c_hist_entry, he);
2208
2209         if (c2c.show_src && !he->srcline)
2210                 he->srcline = hist_entry__srcline(he);
2211
2212         calc_width(c2c_he);
2213
2214         if (!is_valid_hist_entry(he))
2215                 he->filtered = HIST_FILTER__C2C;
2216
2217         return 0;
2218 }
2219
2220 static int resort_cl_cb(struct hist_entry *he, void *arg __maybe_unused)
2221 {
2222         struct c2c_hist_entry *c2c_he;
2223         struct c2c_hists *c2c_hists;
2224         bool display = he__display(he, &c2c.shared_clines_stats);
2225
2226         c2c_he = container_of(he, struct c2c_hist_entry, he);
2227         c2c_hists = c2c_he->hists;
2228
2229         if (display && c2c_hists) {
2230                 static unsigned int idx;
2231
2232                 c2c_he->cacheline_idx = idx++;
2233                 calc_width(c2c_he);
2234
2235                 c2c_hists__reinit(c2c_hists, c2c.cl_output, c2c.cl_resort);
2236
2237                 hists__collapse_resort(&c2c_hists->hists, NULL);
2238                 hists__output_resort_cb(&c2c_hists->hists, NULL, filter_cb);
2239         }
2240
2241         return 0;
2242 }
2243
2244 static struct c2c_header header_node_0 = HEADER_LOW("Node");
2245 static struct c2c_header header_node_1_hitms_stores =
2246                 HEADER_LOW("Node{cpus %hitms %stores}");
2247 static struct c2c_header header_node_1_peers_stores =
2248                 HEADER_LOW("Node{cpus %peers %stores}");
2249 static struct c2c_header header_node_2 = HEADER_LOW("Node{cpu list}");
2250
2251 static void setup_nodes_header(void)
2252 {
2253         switch (c2c.node_info) {
2254         case 0:
2255                 dim_node.header = header_node_0;
2256                 break;
2257         case 1:
2258                 if (c2c.display == DISPLAY_SNP_PEER)
2259                         dim_node.header = header_node_1_peers_stores;
2260                 else
2261                         dim_node.header = header_node_1_hitms_stores;
2262                 break;
2263         case 2:
2264                 dim_node.header = header_node_2;
2265                 break;
2266         default:
2267                 break;
2268         }
2269
2270         return;
2271 }
2272
2273 static int setup_nodes(struct perf_session *session)
2274 {
2275         struct numa_node *n;
2276         unsigned long **nodes;
2277         int node, idx;
2278         struct perf_cpu cpu;
2279         int *cpu2node;
2280
2281         if (c2c.node_info > 2)
2282                 c2c.node_info = 2;
2283
2284         c2c.nodes_cnt = session->header.env.nr_numa_nodes;
2285         c2c.cpus_cnt  = session->header.env.nr_cpus_avail;
2286
2287         n = session->header.env.numa_nodes;
2288         if (!n)
2289                 return -EINVAL;
2290
2291         nodes = zalloc(sizeof(unsigned long *) * c2c.nodes_cnt);
2292         if (!nodes)
2293                 return -ENOMEM;
2294
2295         c2c.nodes = nodes;
2296
2297         cpu2node = zalloc(sizeof(int) * c2c.cpus_cnt);
2298         if (!cpu2node)
2299                 return -ENOMEM;
2300
2301         for (idx = 0; idx < c2c.cpus_cnt; idx++)
2302                 cpu2node[idx] = -1;
2303
2304         c2c.cpu2node = cpu2node;
2305
2306         for (node = 0; node < c2c.nodes_cnt; node++) {
2307                 struct perf_cpu_map *map = n[node].map;
2308                 unsigned long *set;
2309
2310                 set = bitmap_zalloc(c2c.cpus_cnt);
2311                 if (!set)
2312                         return -ENOMEM;
2313
2314                 nodes[node] = set;
2315
2316                 /* empty node, skip */
2317                 if (perf_cpu_map__empty(map))
2318                         continue;
2319
2320                 perf_cpu_map__for_each_cpu(cpu, idx, map) {
2321                         set_bit(cpu.cpu, set);
2322
2323                         if (WARN_ONCE(cpu2node[cpu.cpu] != -1, "node/cpu topology bug"))
2324                                 return -EINVAL;
2325
2326                         cpu2node[cpu.cpu] = node;
2327                 }
2328         }
2329
2330         setup_nodes_header();
2331         return 0;
2332 }
2333
2334 #define HAS_HITMS(__h) ((__h)->stats.lcl_hitm || (__h)->stats.rmt_hitm)
2335 #define HAS_PEER(__h) ((__h)->stats.lcl_peer || (__h)->stats.rmt_peer)
2336
2337 static int resort_shared_cl_cb(struct hist_entry *he, void *arg __maybe_unused)
2338 {
2339         struct c2c_hist_entry *c2c_he;
2340         c2c_he = container_of(he, struct c2c_hist_entry, he);
2341
2342         if (HAS_HITMS(c2c_he) || HAS_PEER(c2c_he)) {
2343                 c2c.shared_clines++;
2344                 c2c_add_stats(&c2c.shared_clines_stats, &c2c_he->stats);
2345         }
2346
2347         return 0;
2348 }
2349
2350 static int hists__iterate_cb(struct hists *hists, hists__resort_cb_t cb)
2351 {
2352         struct rb_node *next = rb_first_cached(&hists->entries);
2353         int ret = 0;
2354
2355         while (next) {
2356                 struct hist_entry *he;
2357
2358                 he = rb_entry(next, struct hist_entry, rb_node);
2359                 ret = cb(he, NULL);
2360                 if (ret)
2361                         break;
2362                 next = rb_next(&he->rb_node);
2363         }
2364
2365         return ret;
2366 }
2367
2368 static void print_c2c__display_stats(FILE *out)
2369 {
2370         int llc_misses;
2371         struct c2c_stats *stats = &c2c.hists.stats;
2372
2373         llc_misses = get_load_llc_misses(stats);
2374
2375         fprintf(out, "=================================================\n");
2376         fprintf(out, "            Trace Event Information              \n");
2377         fprintf(out, "=================================================\n");
2378         fprintf(out, "  Total records                     : %10d\n", stats->nr_entries);
2379         fprintf(out, "  Locked Load/Store Operations      : %10d\n", stats->locks);
2380         fprintf(out, "  Load Operations                   : %10d\n", stats->load);
2381         fprintf(out, "  Loads - uncacheable               : %10d\n", stats->ld_uncache);
2382         fprintf(out, "  Loads - IO                        : %10d\n", stats->ld_io);
2383         fprintf(out, "  Loads - Miss                      : %10d\n", stats->ld_miss);
2384         fprintf(out, "  Loads - no mapping                : %10d\n", stats->ld_noadrs);
2385         fprintf(out, "  Load Fill Buffer Hit              : %10d\n", stats->ld_fbhit);
2386         fprintf(out, "  Load L1D hit                      : %10d\n", stats->ld_l1hit);
2387         fprintf(out, "  Load L2D hit                      : %10d\n", stats->ld_l2hit);
2388         fprintf(out, "  Load LLC hit                      : %10d\n", stats->ld_llchit + stats->lcl_hitm);
2389         fprintf(out, "  Load Local HITM                   : %10d\n", stats->lcl_hitm);
2390         fprintf(out, "  Load Remote HITM                  : %10d\n", stats->rmt_hitm);
2391         fprintf(out, "  Load Remote HIT                   : %10d\n", stats->rmt_hit);
2392         fprintf(out, "  Load Local DRAM                   : %10d\n", stats->lcl_dram);
2393         fprintf(out, "  Load Remote DRAM                  : %10d\n", stats->rmt_dram);
2394         fprintf(out, "  Load MESI State Exclusive         : %10d\n", stats->ld_excl);
2395         fprintf(out, "  Load MESI State Shared            : %10d\n", stats->ld_shared);
2396         fprintf(out, "  Load LLC Misses                   : %10d\n", llc_misses);
2397         fprintf(out, "  Load access blocked by data       : %10d\n", stats->blk_data);
2398         fprintf(out, "  Load access blocked by address    : %10d\n", stats->blk_addr);
2399         fprintf(out, "  Load HIT Local Peer               : %10d\n", stats->lcl_peer);
2400         fprintf(out, "  Load HIT Remote Peer              : %10d\n", stats->rmt_peer);
2401         fprintf(out, "  LLC Misses to Local DRAM          : %10.1f%%\n", ((double)stats->lcl_dram/(double)llc_misses) * 100.);
2402         fprintf(out, "  LLC Misses to Remote DRAM         : %10.1f%%\n", ((double)stats->rmt_dram/(double)llc_misses) * 100.);
2403         fprintf(out, "  LLC Misses to Remote cache (HIT)  : %10.1f%%\n", ((double)stats->rmt_hit /(double)llc_misses) * 100.);
2404         fprintf(out, "  LLC Misses to Remote cache (HITM) : %10.1f%%\n", ((double)stats->rmt_hitm/(double)llc_misses) * 100.);
2405         fprintf(out, "  Store Operations                  : %10d\n", stats->store);
2406         fprintf(out, "  Store - uncacheable               : %10d\n", stats->st_uncache);
2407         fprintf(out, "  Store - no mapping                : %10d\n", stats->st_noadrs);
2408         fprintf(out, "  Store L1D Hit                     : %10d\n", stats->st_l1hit);
2409         fprintf(out, "  Store L1D Miss                    : %10d\n", stats->st_l1miss);
2410         fprintf(out, "  Store No available memory level   : %10d\n", stats->st_na);
2411         fprintf(out, "  No Page Map Rejects               : %10d\n", stats->nomap);
2412         fprintf(out, "  Unable to parse data source       : %10d\n", stats->noparse);
2413 }
2414
2415 static void print_shared_cacheline_info(FILE *out)
2416 {
2417         struct c2c_stats *stats = &c2c.shared_clines_stats;
2418         int hitm_cnt = stats->lcl_hitm + stats->rmt_hitm;
2419
2420         fprintf(out, "=================================================\n");
2421         fprintf(out, "    Global Shared Cache Line Event Information   \n");
2422         fprintf(out, "=================================================\n");
2423         fprintf(out, "  Total Shared Cache Lines          : %10d\n", c2c.shared_clines);
2424         fprintf(out, "  Load HITs on shared lines         : %10d\n", stats->load);
2425         fprintf(out, "  Fill Buffer Hits on shared lines  : %10d\n", stats->ld_fbhit);
2426         fprintf(out, "  L1D hits on shared lines          : %10d\n", stats->ld_l1hit);
2427         fprintf(out, "  L2D hits on shared lines          : %10d\n", stats->ld_l2hit);
2428         fprintf(out, "  LLC hits on shared lines          : %10d\n", stats->ld_llchit + stats->lcl_hitm);
2429         fprintf(out, "  Load hits on peer cache or nodes  : %10d\n", stats->lcl_peer + stats->rmt_peer);
2430         fprintf(out, "  Locked Access on shared lines     : %10d\n", stats->locks);
2431         fprintf(out, "  Blocked Access on shared lines    : %10d\n", stats->blk_data + stats->blk_addr);
2432         fprintf(out, "  Store HITs on shared lines        : %10d\n", stats->store);
2433         fprintf(out, "  Store L1D hits on shared lines    : %10d\n", stats->st_l1hit);
2434         fprintf(out, "  Store No available memory level   : %10d\n", stats->st_na);
2435         fprintf(out, "  Total Merged records              : %10d\n", hitm_cnt + stats->store);
2436 }
2437
2438 static void print_cacheline(struct c2c_hists *c2c_hists,
2439                             struct hist_entry *he_cl,
2440                             struct perf_hpp_list *hpp_list,
2441                             FILE *out)
2442 {
2443         char bf[1000];
2444         struct perf_hpp hpp = {
2445                 .buf            = bf,
2446                 .size           = 1000,
2447         };
2448         static bool once;
2449
2450         if (!once) {
2451                 hists__fprintf_headers(&c2c_hists->hists, out);
2452                 once = true;
2453         } else {
2454                 fprintf(out, "\n");
2455         }
2456
2457         fprintf(out, "  ----------------------------------------------------------------------\n");
2458         __hist_entry__snprintf(he_cl, &hpp, hpp_list);
2459         fprintf(out, "%s\n", bf);
2460         fprintf(out, "  ----------------------------------------------------------------------\n");
2461
2462         hists__fprintf(&c2c_hists->hists, false, 0, 0, 0, out, false);
2463 }
2464
2465 static void print_pareto(FILE *out)
2466 {
2467         struct perf_hpp_list hpp_list;
2468         struct rb_node *nd;
2469         int ret;
2470         const char *cl_output;
2471
2472         if (c2c.display != DISPLAY_SNP_PEER)
2473                 cl_output = "cl_num,"
2474                             "cl_rmt_hitm,"
2475                             "cl_lcl_hitm,"
2476                             "cl_stores_l1hit,"
2477                             "cl_stores_l1miss,"
2478                             "cl_stores_na,"
2479                             "dcacheline";
2480         else
2481                 cl_output = "cl_num,"
2482                             "cl_rmt_peer,"
2483                             "cl_lcl_peer,"
2484                             "cl_stores_l1hit,"
2485                             "cl_stores_l1miss,"
2486                             "cl_stores_na,"
2487                             "dcacheline";
2488
2489         perf_hpp_list__init(&hpp_list);
2490         ret = hpp_list__parse(&hpp_list, cl_output, NULL);
2491
2492         if (WARN_ONCE(ret, "failed to setup sort entries\n"))
2493                 return;
2494
2495         nd = rb_first_cached(&c2c.hists.hists.entries);
2496
2497         for (; nd; nd = rb_next(nd)) {
2498                 struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node);
2499                 struct c2c_hist_entry *c2c_he;
2500
2501                 if (he->filtered)
2502                         continue;
2503
2504                 c2c_he = container_of(he, struct c2c_hist_entry, he);
2505                 print_cacheline(c2c_he->hists, he, &hpp_list, out);
2506         }
2507 }
2508
2509 static void print_c2c_info(FILE *out, struct perf_session *session)
2510 {
2511         struct evlist *evlist = session->evlist;
2512         struct evsel *evsel;
2513         bool first = true;
2514
2515         fprintf(out, "=================================================\n");
2516         fprintf(out, "                 c2c details                     \n");
2517         fprintf(out, "=================================================\n");
2518
2519         evlist__for_each_entry(evlist, evsel) {
2520                 fprintf(out, "%-36s: %s\n", first ? "  Events" : "", evsel__name(evsel));
2521                 first = false;
2522         }
2523         fprintf(out, "  Cachelines sort on                : %s\n",
2524                 display_str[c2c.display]);
2525         fprintf(out, "  Cacheline data grouping           : %s\n", c2c.cl_sort);
2526 }
2527
2528 static void perf_c2c__hists_fprintf(FILE *out, struct perf_session *session)
2529 {
2530         setup_pager();
2531
2532         print_c2c__display_stats(out);
2533         fprintf(out, "\n");
2534         print_shared_cacheline_info(out);
2535         fprintf(out, "\n");
2536         print_c2c_info(out, session);
2537
2538         if (c2c.stats_only)
2539                 return;
2540
2541         fprintf(out, "\n");
2542         fprintf(out, "=================================================\n");
2543         fprintf(out, "           Shared Data Cache Line Table          \n");
2544         fprintf(out, "=================================================\n");
2545         fprintf(out, "#\n");
2546
2547         hists__fprintf(&c2c.hists.hists, true, 0, 0, 0, stdout, true);
2548
2549         fprintf(out, "\n");
2550         fprintf(out, "=================================================\n");
2551         fprintf(out, "      Shared Cache Line Distribution Pareto      \n");
2552         fprintf(out, "=================================================\n");
2553         fprintf(out, "#\n");
2554
2555         print_pareto(out);
2556 }
2557
2558 #ifdef HAVE_SLANG_SUPPORT
2559 static void c2c_browser__update_nr_entries(struct hist_browser *hb)
2560 {
2561         u64 nr_entries = 0;
2562         struct rb_node *nd = rb_first_cached(&hb->hists->entries);
2563
2564         while (nd) {
2565                 struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node);
2566
2567                 if (!he->filtered)
2568                         nr_entries++;
2569
2570                 nd = rb_next(nd);
2571         }
2572
2573         hb->nr_non_filtered_entries = nr_entries;
2574 }
2575
2576 struct c2c_cacheline_browser {
2577         struct hist_browser      hb;
2578         struct hist_entry       *he;
2579 };
2580
2581 static int
2582 perf_c2c_cacheline_browser__title(struct hist_browser *browser,
2583                                   char *bf, size_t size)
2584 {
2585         struct c2c_cacheline_browser *cl_browser;
2586         struct hist_entry *he;
2587         uint64_t addr = 0;
2588
2589         cl_browser = container_of(browser, struct c2c_cacheline_browser, hb);
2590         he = cl_browser->he;
2591
2592         if (he->mem_info)
2593                 addr = cl_address(he->mem_info->daddr.addr);
2594
2595         scnprintf(bf, size, "Cacheline 0x%lx", addr);
2596         return 0;
2597 }
2598
2599 static struct c2c_cacheline_browser*
2600 c2c_cacheline_browser__new(struct hists *hists, struct hist_entry *he)
2601 {
2602         struct c2c_cacheline_browser *browser;
2603
2604         browser = zalloc(sizeof(*browser));
2605         if (browser) {
2606                 hist_browser__init(&browser->hb, hists);
2607                 browser->hb.c2c_filter  = true;
2608                 browser->hb.title       = perf_c2c_cacheline_browser__title;
2609                 browser->he             = he;
2610         }
2611
2612         return browser;
2613 }
2614
2615 static int perf_c2c__browse_cacheline(struct hist_entry *he)
2616 {
2617         struct c2c_hist_entry *c2c_he;
2618         struct c2c_hists *c2c_hists;
2619         struct c2c_cacheline_browser *cl_browser;
2620         struct hist_browser *browser;
2621         int key = -1;
2622         static const char help[] =
2623         " ENTER         Toggle callchains (if present) \n"
2624         " n             Toggle Node details info \n"
2625         " s             Toggle full length of symbol and source line columns \n"
2626         " q             Return back to cacheline list \n";
2627
2628         if (!he)
2629                 return 0;
2630
2631         /* Display compact version first. */
2632         c2c.symbol_full = false;
2633
2634         c2c_he = container_of(he, struct c2c_hist_entry, he);
2635         c2c_hists = c2c_he->hists;
2636
2637         cl_browser = c2c_cacheline_browser__new(&c2c_hists->hists, he);
2638         if (cl_browser == NULL)
2639                 return -1;
2640
2641         browser = &cl_browser->hb;
2642
2643         /* reset abort key so that it can get Ctrl-C as a key */
2644         SLang_reset_tty();
2645         SLang_init_tty(0, 0, 0);
2646
2647         c2c_browser__update_nr_entries(browser);
2648
2649         while (1) {
2650                 key = hist_browser__run(browser, "? - help", true, 0);
2651
2652                 switch (key) {
2653                 case 's':
2654                         c2c.symbol_full = !c2c.symbol_full;
2655                         break;
2656                 case 'n':
2657                         c2c.node_info = (c2c.node_info + 1) % 3;
2658                         setup_nodes_header();
2659                         break;
2660                 case 'q':
2661                         goto out;
2662                 case '?':
2663                         ui_browser__help_window(&browser->b, help);
2664                         break;
2665                 default:
2666                         break;
2667                 }
2668         }
2669
2670 out:
2671         free(cl_browser);
2672         return 0;
2673 }
2674
2675 static int perf_c2c_browser__title(struct hist_browser *browser,
2676                                    char *bf, size_t size)
2677 {
2678         scnprintf(bf, size,
2679                   "Shared Data Cache Line Table     "
2680                   "(%lu entries, sorted on %s)",
2681                   browser->nr_non_filtered_entries,
2682                   display_str[c2c.display]);
2683         return 0;
2684 }
2685
2686 static struct hist_browser*
2687 perf_c2c_browser__new(struct hists *hists)
2688 {
2689         struct hist_browser *browser = hist_browser__new(hists);
2690
2691         if (browser) {
2692                 browser->title = perf_c2c_browser__title;
2693                 browser->c2c_filter = true;
2694         }
2695
2696         return browser;
2697 }
2698
2699 static int perf_c2c__hists_browse(struct hists *hists)
2700 {
2701         struct hist_browser *browser;
2702         int key = -1;
2703         static const char help[] =
2704         " d             Display cacheline details \n"
2705         " ENTER         Toggle callchains (if present) \n"
2706         " q             Quit \n";
2707
2708         browser = perf_c2c_browser__new(hists);
2709         if (browser == NULL)
2710                 return -1;
2711
2712         /* reset abort key so that it can get Ctrl-C as a key */
2713         SLang_reset_tty();
2714         SLang_init_tty(0, 0, 0);
2715
2716         c2c_browser__update_nr_entries(browser);
2717
2718         while (1) {
2719                 key = hist_browser__run(browser, "? - help", true, 0);
2720
2721                 switch (key) {
2722                 case 'q':
2723                         goto out;
2724                 case 'd':
2725                         perf_c2c__browse_cacheline(browser->he_selection);
2726                         break;
2727                 case '?':
2728                         ui_browser__help_window(&browser->b, help);
2729                         break;
2730                 default:
2731                         break;
2732                 }
2733         }
2734
2735 out:
2736         hist_browser__delete(browser);
2737         return 0;
2738 }
2739
2740 static void perf_c2c_display(struct perf_session *session)
2741 {
2742         if (use_browser == 0)
2743                 perf_c2c__hists_fprintf(stdout, session);
2744         else
2745                 perf_c2c__hists_browse(&c2c.hists.hists);
2746 }
2747 #else
2748 static void perf_c2c_display(struct perf_session *session)
2749 {
2750         use_browser = 0;
2751         perf_c2c__hists_fprintf(stdout, session);
2752 }
2753 #endif /* HAVE_SLANG_SUPPORT */
2754
2755 static char *fill_line(const char *orig, int len)
2756 {
2757         int i, j, olen = strlen(orig);
2758         char *buf;
2759
2760         buf = zalloc(len + 1);
2761         if (!buf)
2762                 return NULL;
2763
2764         j = len / 2 - olen / 2;
2765
2766         for (i = 0; i < j - 1; i++)
2767                 buf[i] = '-';
2768
2769         buf[i++] = ' ';
2770
2771         strcpy(buf + i, orig);
2772
2773         i += olen;
2774
2775         buf[i++] = ' ';
2776
2777         for (; i < len; i++)
2778                 buf[i] = '-';
2779
2780         return buf;
2781 }
2782
2783 static int ui_quirks(void)
2784 {
2785         const char *nodestr = "Data address";
2786         char *buf;
2787
2788         if (!c2c.use_stdio) {
2789                 dim_offset.width  = 5;
2790                 dim_offset.header = header_offset_tui;
2791                 nodestr = "CL";
2792         }
2793
2794         dim_percent_costly_snoop.header = percent_costly_snoop_header[c2c.display];
2795
2796         /* Fix the zero line for dcacheline column. */
2797         buf = fill_line("Cacheline", dim_dcacheline.width +
2798                                      dim_dcacheline_node.width +
2799                                      dim_dcacheline_count.width + 4);
2800         if (!buf)
2801                 return -ENOMEM;
2802
2803         dim_dcacheline.header.line[0].text = buf;
2804
2805         /* Fix the zero line for offset column. */
2806         buf = fill_line(nodestr, dim_offset.width +
2807                                  dim_offset_node.width +
2808                                  dim_dcacheline_count.width + 4);
2809         if (!buf)
2810                 return -ENOMEM;
2811
2812         dim_offset.header.line[0].text = buf;
2813
2814         return 0;
2815 }
2816
2817 #define CALLCHAIN_DEFAULT_OPT  "graph,0.5,caller,function,percent"
2818
2819 const char callchain_help[] = "Display call graph (stack chain/backtrace):\n\n"
2820                                 CALLCHAIN_REPORT_HELP
2821                                 "\n\t\t\t\tDefault: " CALLCHAIN_DEFAULT_OPT;
2822
2823 static int
2824 parse_callchain_opt(const struct option *opt, const char *arg, int unset)
2825 {
2826         struct callchain_param *callchain = opt->value;
2827
2828         callchain->enabled = !unset;
2829         /*
2830          * --no-call-graph
2831          */
2832         if (unset) {
2833                 symbol_conf.use_callchain = false;
2834                 callchain->mode = CHAIN_NONE;
2835                 return 0;
2836         }
2837
2838         return parse_callchain_report_opt(arg);
2839 }
2840
2841 static int setup_callchain(struct evlist *evlist)
2842 {
2843         u64 sample_type = evlist__combined_sample_type(evlist);
2844         enum perf_call_graph_mode mode = CALLCHAIN_NONE;
2845
2846         if ((sample_type & PERF_SAMPLE_REGS_USER) &&
2847             (sample_type & PERF_SAMPLE_STACK_USER)) {
2848                 mode = CALLCHAIN_DWARF;
2849                 dwarf_callchain_users = true;
2850         } else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
2851                 mode = CALLCHAIN_LBR;
2852         else if (sample_type & PERF_SAMPLE_CALLCHAIN)
2853                 mode = CALLCHAIN_FP;
2854
2855         if (!callchain_param.enabled &&
2856             callchain_param.mode != CHAIN_NONE &&
2857             mode != CALLCHAIN_NONE) {
2858                 symbol_conf.use_callchain = true;
2859                 if (callchain_register_param(&callchain_param) < 0) {
2860                         ui__error("Can't register callchain params.\n");
2861                         return -EINVAL;
2862                 }
2863         }
2864
2865         if (c2c.stitch_lbr && (mode != CALLCHAIN_LBR)) {
2866                 ui__warning("Can't find LBR callchain. Switch off --stitch-lbr.\n"
2867                             "Please apply --call-graph lbr when recording.\n");
2868                 c2c.stitch_lbr = false;
2869         }
2870
2871         callchain_param.record_mode = mode;
2872         callchain_param.min_percent = 0;
2873         return 0;
2874 }
2875
2876 static int setup_display(const char *str)
2877 {
2878         const char *display = str;
2879
2880         if (!strcmp(display, "tot"))
2881                 c2c.display = DISPLAY_TOT_HITM;
2882         else if (!strcmp(display, "rmt"))
2883                 c2c.display = DISPLAY_RMT_HITM;
2884         else if (!strcmp(display, "lcl"))
2885                 c2c.display = DISPLAY_LCL_HITM;
2886         else if (!strcmp(display, "peer"))
2887                 c2c.display = DISPLAY_SNP_PEER;
2888         else {
2889                 pr_err("failed: unknown display type: %s\n", str);
2890                 return -1;
2891         }
2892
2893         return 0;
2894 }
2895
2896 #define for_each_token(__tok, __buf, __sep, __tmp)              \
2897         for (__tok = strtok_r(__buf, __sep, &__tmp); __tok;     \
2898              __tok = strtok_r(NULL,  __sep, &__tmp))
2899
2900 static int build_cl_output(char *cl_sort, bool no_source)
2901 {
2902         char *tok, *tmp, *buf = strdup(cl_sort);
2903         bool add_pid   = false;
2904         bool add_tid   = false;
2905         bool add_iaddr = false;
2906         bool add_sym   = false;
2907         bool add_dso   = false;
2908         bool add_src   = false;
2909         int ret = 0;
2910
2911         if (!buf)
2912                 return -ENOMEM;
2913
2914         for_each_token(tok, buf, ",", tmp) {
2915                 if (!strcmp(tok, "tid")) {
2916                         add_tid = true;
2917                 } else if (!strcmp(tok, "pid")) {
2918                         add_pid = true;
2919                 } else if (!strcmp(tok, "iaddr")) {
2920                         add_iaddr = true;
2921                         add_sym   = true;
2922                         add_dso   = true;
2923                         add_src   = no_source ? false : true;
2924                 } else if (!strcmp(tok, "dso")) {
2925                         add_dso = true;
2926                 } else if (strcmp(tok, "offset")) {
2927                         pr_err("unrecognized sort token: %s\n", tok);
2928                         ret = -EINVAL;
2929                         goto err;
2930                 }
2931         }
2932
2933         if (asprintf(&c2c.cl_output,
2934                 "%s%s%s%s%s%s%s%s%s%s%s%s",
2935                 c2c.use_stdio ? "cl_num_empty," : "",
2936                 c2c.display == DISPLAY_SNP_PEER ? "percent_rmt_peer,"
2937                                                   "percent_lcl_peer," :
2938                                                   "percent_rmt_hitm,"
2939                                                   "percent_lcl_hitm,",
2940                 "percent_stores_l1hit,"
2941                 "percent_stores_l1miss,"
2942                 "percent_stores_na,"
2943                 "offset,offset_node,dcacheline_count,",
2944                 add_pid   ? "pid," : "",
2945                 add_tid   ? "tid," : "",
2946                 add_iaddr ? "iaddr," : "",
2947                 c2c.display == DISPLAY_SNP_PEER ? "mean_rmt_peer,"
2948                                                   "mean_lcl_peer," :
2949                                                   "mean_rmt,"
2950                                                   "mean_lcl,",
2951                 "mean_load,"
2952                 "tot_recs,"
2953                 "cpucnt,",
2954                 add_sym ? "symbol," : "",
2955                 add_dso ? "dso," : "",
2956                 add_src ? "cl_srcline," : "",
2957                 "node") < 0) {
2958                 ret = -ENOMEM;
2959                 goto err;
2960         }
2961
2962         c2c.show_src = add_src;
2963 err:
2964         free(buf);
2965         return ret;
2966 }
2967
2968 static int setup_coalesce(const char *coalesce, bool no_source)
2969 {
2970         const char *c = coalesce ?: coalesce_default;
2971         const char *sort_str = NULL;
2972
2973         if (asprintf(&c2c.cl_sort, "offset,%s", c) < 0)
2974                 return -ENOMEM;
2975
2976         if (build_cl_output(c2c.cl_sort, no_source))
2977                 return -1;
2978
2979         if (c2c.display == DISPLAY_TOT_HITM)
2980                 sort_str = "tot_hitm";
2981         else if (c2c.display == DISPLAY_RMT_HITM)
2982                 sort_str = "rmt_hitm,lcl_hitm";
2983         else if (c2c.display == DISPLAY_LCL_HITM)
2984                 sort_str = "lcl_hitm,rmt_hitm";
2985         else if (c2c.display == DISPLAY_SNP_PEER)
2986                 sort_str = "tot_peer";
2987
2988         if (asprintf(&c2c.cl_resort, "offset,%s", sort_str) < 0)
2989                 return -ENOMEM;
2990
2991         pr_debug("coalesce sort   fields: %s\n", c2c.cl_sort);
2992         pr_debug("coalesce resort fields: %s\n", c2c.cl_resort);
2993         pr_debug("coalesce output fields: %s\n", c2c.cl_output);
2994         return 0;
2995 }
2996
2997 static int perf_c2c__report(int argc, const char **argv)
2998 {
2999         struct itrace_synth_opts itrace_synth_opts = {
3000                 .set = true,
3001                 .mem = true,    /* Only enable memory event */
3002                 .default_no_sample = true,
3003         };
3004
3005         struct perf_session *session;
3006         struct ui_progress prog;
3007         struct perf_data data = {
3008                 .mode = PERF_DATA_MODE_READ,
3009         };
3010         char callchain_default_opt[] = CALLCHAIN_DEFAULT_OPT;
3011         const char *display = NULL;
3012         const char *coalesce = NULL;
3013         bool no_source = false;
3014         const struct option options[] = {
3015         OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
3016                    "file", "vmlinux pathname"),
3017         OPT_STRING('i', "input", &input_name, "file",
3018                    "the input file to process"),
3019         OPT_INCR('N', "node-info", &c2c.node_info,
3020                  "show extra node info in report (repeat for more info)"),
3021         OPT_BOOLEAN(0, "stdio", &c2c.use_stdio, "Use the stdio interface"),
3022         OPT_BOOLEAN(0, "stats", &c2c.stats_only,
3023                     "Display only statistic tables (implies --stdio)"),
3024         OPT_BOOLEAN(0, "full-symbols", &c2c.symbol_full,
3025                     "Display full length of symbols"),
3026         OPT_BOOLEAN(0, "no-source", &no_source,
3027                     "Do not display Source Line column"),
3028         OPT_BOOLEAN(0, "show-all", &c2c.show_all,
3029                     "Show all captured HITM lines."),
3030         OPT_CALLBACK_DEFAULT('g', "call-graph", &callchain_param,
3031                              "print_type,threshold[,print_limit],order,sort_key[,branch],value",
3032                              callchain_help, &parse_callchain_opt,
3033                              callchain_default_opt),
3034         OPT_STRING('d', "display", &display, "Switch HITM output type", "tot,lcl,rmt,peer"),
3035         OPT_STRING('c', "coalesce", &coalesce, "coalesce fields",
3036                    "coalesce fields: pid,tid,iaddr,dso"),
3037         OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
3038         OPT_BOOLEAN(0, "stitch-lbr", &c2c.stitch_lbr,
3039                     "Enable LBR callgraph stitching approach"),
3040         OPT_PARENT(c2c_options),
3041         OPT_END()
3042         };
3043         int err = 0;
3044         const char *output_str, *sort_str = NULL;
3045
3046         argc = parse_options(argc, argv, options, report_c2c_usage,
3047                              PARSE_OPT_STOP_AT_NON_OPTION);
3048         if (argc)
3049                 usage_with_options(report_c2c_usage, options);
3050
3051 #ifndef HAVE_SLANG_SUPPORT
3052         c2c.use_stdio = true;
3053 #endif
3054
3055         if (c2c.stats_only)
3056                 c2c.use_stdio = true;
3057
3058         err = symbol__validate_sym_arguments();
3059         if (err)
3060                 goto out;
3061
3062         if (!input_name || !strlen(input_name))
3063                 input_name = "perf.data";
3064
3065         data.path  = input_name;
3066         data.force = symbol_conf.force;
3067
3068         session = perf_session__new(&data, &c2c.tool);
3069         if (IS_ERR(session)) {
3070                 err = PTR_ERR(session);
3071                 pr_debug("Error creating perf session\n");
3072                 goto out;
3073         }
3074
3075         /*
3076          * Use the 'tot' as default display type if user doesn't specify it;
3077          * since Arm64 platform doesn't support HITMs flag, use 'peer' as the
3078          * default display type.
3079          */
3080         if (!display) {
3081                 if (!strcmp(perf_env__arch(&session->header.env), "arm64"))
3082                         display = "peer";
3083                 else
3084                         display = "tot";
3085         }
3086
3087         err = setup_display(display);
3088         if (err)
3089                 goto out_session;
3090
3091         err = setup_coalesce(coalesce, no_source);
3092         if (err) {
3093                 pr_debug("Failed to initialize hists\n");
3094                 goto out_session;
3095         }
3096
3097         err = c2c_hists__init(&c2c.hists, "dcacheline", 2);
3098         if (err) {
3099                 pr_debug("Failed to initialize hists\n");
3100                 goto out_session;
3101         }
3102
3103         session->itrace_synth_opts = &itrace_synth_opts;
3104
3105         err = setup_nodes(session);
3106         if (err) {
3107                 pr_err("Failed setup nodes\n");
3108                 goto out_session;
3109         }
3110
3111         err = mem2node__init(&c2c.mem2node, &session->header.env);
3112         if (err)
3113                 goto out_session;
3114
3115         err = setup_callchain(session->evlist);
3116         if (err)
3117                 goto out_mem2node;
3118
3119         if (symbol__init(&session->header.env) < 0)
3120                 goto out_mem2node;
3121
3122         /* No pipe support at the moment. */
3123         if (perf_data__is_pipe(session->data)) {
3124                 pr_debug("No pipe support at the moment.\n");
3125                 goto out_mem2node;
3126         }
3127
3128         if (c2c.use_stdio)
3129                 use_browser = 0;
3130         else
3131                 use_browser = 1;
3132
3133         setup_browser(false);
3134
3135         err = perf_session__process_events(session);
3136         if (err) {
3137                 pr_err("failed to process sample\n");
3138                 goto out_mem2node;
3139         }
3140
3141         if (c2c.display != DISPLAY_SNP_PEER)
3142                 output_str = "cl_idx,"
3143                              "dcacheline,"
3144                              "dcacheline_node,"
3145                              "dcacheline_count,"
3146                              "percent_costly_snoop,"
3147                              "tot_hitm,lcl_hitm,rmt_hitm,"
3148                              "tot_recs,"
3149                              "tot_loads,"
3150                              "tot_stores,"
3151                              "stores_l1hit,stores_l1miss,stores_na,"
3152                              "ld_fbhit,ld_l1hit,ld_l2hit,"
3153                              "ld_lclhit,lcl_hitm,"
3154                              "ld_rmthit,rmt_hitm,"
3155                              "dram_lcl,dram_rmt";
3156         else
3157                 output_str = "cl_idx,"
3158                              "dcacheline,"
3159                              "dcacheline_node,"
3160                              "dcacheline_count,"
3161                              "percent_costly_snoop,"
3162                              "tot_peer,lcl_peer,rmt_peer,"
3163                              "tot_recs,"
3164                              "tot_loads,"
3165                              "tot_stores,"
3166                              "stores_l1hit,stores_l1miss,stores_na,"
3167                              "ld_fbhit,ld_l1hit,ld_l2hit,"
3168                              "ld_lclhit,lcl_hitm,"
3169                              "ld_rmthit,rmt_hitm,"
3170                              "dram_lcl,dram_rmt";
3171
3172         if (c2c.display == DISPLAY_TOT_HITM)
3173                 sort_str = "tot_hitm";
3174         else if (c2c.display == DISPLAY_RMT_HITM)
3175                 sort_str = "rmt_hitm";
3176         else if (c2c.display == DISPLAY_LCL_HITM)
3177                 sort_str = "lcl_hitm";
3178         else if (c2c.display == DISPLAY_SNP_PEER)
3179                 sort_str = "tot_peer";
3180
3181         c2c_hists__reinit(&c2c.hists, output_str, sort_str);
3182
3183         ui_progress__init(&prog, c2c.hists.hists.nr_entries, "Sorting...");
3184
3185         hists__collapse_resort(&c2c.hists.hists, NULL);
3186         hists__output_resort_cb(&c2c.hists.hists, &prog, resort_shared_cl_cb);
3187         hists__iterate_cb(&c2c.hists.hists, resort_cl_cb);
3188
3189         ui_progress__finish();
3190
3191         if (ui_quirks()) {
3192                 pr_err("failed to setup UI\n");
3193                 goto out_mem2node;
3194         }
3195
3196         perf_c2c_display(session);
3197
3198 out_mem2node:
3199         mem2node__exit(&c2c.mem2node);
3200 out_session:
3201         perf_session__delete(session);
3202 out:
3203         return err;
3204 }
3205
3206 static int parse_record_events(const struct option *opt,
3207                                const char *str, int unset __maybe_unused)
3208 {
3209         bool *event_set = (bool *) opt->value;
3210
3211         if (!strcmp(str, "list")) {
3212                 perf_mem_events__list();
3213                 exit(0);
3214         }
3215         if (perf_mem_events__parse(str))
3216                 exit(-1);
3217
3218         *event_set = true;
3219         return 0;
3220 }
3221
3222
3223 static const char * const __usage_record[] = {
3224         "perf c2c record [<options>] [<command>]",
3225         "perf c2c record [<options>] -- <command> [<options>]",
3226         NULL
3227 };
3228
3229 static const char * const *record_mem_usage = __usage_record;
3230
3231 static int perf_c2c__record(int argc, const char **argv)
3232 {
3233         int rec_argc, i = 0, j, rec_tmp_nr = 0;
3234         const char **rec_argv;
3235         char **rec_tmp;
3236         int ret;
3237         bool all_user = false, all_kernel = false;
3238         bool event_set = false;
3239         struct perf_mem_event *e;
3240         struct option options[] = {
3241         OPT_CALLBACK('e', "event", &event_set, "event",
3242                      "event selector. Use 'perf c2c record -e list' to list available events",
3243                      parse_record_events),
3244         OPT_BOOLEAN('u', "all-user", &all_user, "collect only user level data"),
3245         OPT_BOOLEAN('k', "all-kernel", &all_kernel, "collect only kernel level data"),
3246         OPT_UINTEGER('l', "ldlat", &perf_mem_events__loads_ldlat, "setup mem-loads latency"),
3247         OPT_PARENT(c2c_options),
3248         OPT_END()
3249         };
3250
3251         if (perf_mem_events__init()) {
3252                 pr_err("failed: memory events not supported\n");
3253                 return -1;
3254         }
3255
3256         argc = parse_options(argc, argv, options, record_mem_usage,
3257                              PARSE_OPT_KEEP_UNKNOWN);
3258
3259         if (!perf_pmu__has_hybrid())
3260                 rec_argc = argc + 11; /* max number of arguments */
3261         else
3262                 rec_argc = argc + 11 * perf_pmu__hybrid_pmu_num();
3263
3264         rec_argv = calloc(rec_argc + 1, sizeof(char *));
3265         if (!rec_argv)
3266                 return -1;
3267
3268         rec_tmp = calloc(rec_argc + 1, sizeof(char *));
3269         if (!rec_tmp) {
3270                 free(rec_argv);
3271                 return -1;
3272         }
3273
3274         rec_argv[i++] = "record";
3275
3276         if (!event_set) {
3277                 e = perf_mem_events__ptr(PERF_MEM_EVENTS__LOAD_STORE);
3278                 /*
3279                  * The load and store operations are required, use the event
3280                  * PERF_MEM_EVENTS__LOAD_STORE if it is supported.
3281                  */
3282                 if (e->tag) {
3283                         e->record = true;
3284                         rec_argv[i++] = "-W";
3285                 } else {
3286                         e = perf_mem_events__ptr(PERF_MEM_EVENTS__LOAD);
3287                         e->record = true;
3288
3289                         e = perf_mem_events__ptr(PERF_MEM_EVENTS__STORE);
3290                         e->record = true;
3291                 }
3292         }
3293
3294         e = perf_mem_events__ptr(PERF_MEM_EVENTS__LOAD);
3295         if (e->record)
3296                 rec_argv[i++] = "-W";
3297
3298         rec_argv[i++] = "-d";
3299         rec_argv[i++] = "--phys-data";
3300         rec_argv[i++] = "--sample-cpu";
3301
3302         ret = perf_mem_events__record_args(rec_argv, &i, rec_tmp, &rec_tmp_nr);
3303         if (ret)
3304                 goto out;
3305
3306         if (all_user)
3307                 rec_argv[i++] = "--all-user";
3308
3309         if (all_kernel)
3310                 rec_argv[i++] = "--all-kernel";
3311
3312         for (j = 0; j < argc; j++, i++)
3313                 rec_argv[i] = argv[j];
3314
3315         if (verbose > 0) {
3316                 pr_debug("calling: ");
3317
3318                 j = 0;
3319
3320                 while (rec_argv[j]) {
3321                         pr_debug("%s ", rec_argv[j]);
3322                         j++;
3323                 }
3324                 pr_debug("\n");
3325         }
3326
3327         ret = cmd_record(i, rec_argv);
3328 out:
3329         for (i = 0; i < rec_tmp_nr; i++)
3330                 free(rec_tmp[i]);
3331
3332         free(rec_tmp);
3333         free(rec_argv);
3334         return ret;
3335 }
3336
3337 int cmd_c2c(int argc, const char **argv)
3338 {
3339         argc = parse_options(argc, argv, c2c_options, c2c_usage,
3340                              PARSE_OPT_STOP_AT_NON_OPTION);
3341
3342         if (!argc)
3343                 usage_with_options(c2c_usage, c2c_options);
3344
3345         if (strlen(argv[0]) > 2 && strstarts("record", argv[0])) {
3346                 return perf_c2c__record(argc, argv);
3347         } else if (strlen(argv[0]) > 2 && strstarts("report", argv[0])) {
3348                 return perf_c2c__report(argc, argv);
3349         } else {
3350                 usage_with_options(c2c_usage, c2c_options);
3351         }
3352
3353         return 0;
3354 }