tools/perf/ui/hist.c

   1 #include <math.h>
   2
   3 #include "../util/hist.h"
   4 #include "../util/util.h"
   5 #include "../util/sort.h"
   6
   7
   8 /* hist period print (hpp) functions */
   9 static int hpp__header_overhead(struct perf_hpp *hpp)
  10 {
  11         const char *fmt = hpp->ptr ? "Baseline" : "Overhead";
  12
  13         return scnprintf(hpp->buf, hpp->size, fmt);
  14 }
  15
  16 static int hpp__width_overhead(struct perf_hpp *hpp __maybe_unused)
  17 {
  18         return 8;
  19 }
  20
  21 static int hpp__color_overhead(struct perf_hpp *hpp, struct hist_entry *he)
  22 {
  23         double percent = 100.0 * he->period / hpp->total_period;
  24
  25         if (hpp->ptr) {
  26                 struct hists *old_hists = hpp->ptr;
  27                 u64 total_period = old_hists->stats.total_period;
  28                 u64 base_period = he->pair ? he->pair->period : 0;
  29
  30                 if (total_period)
  31                         percent = 100.0 * base_period / total_period;
  32                 else
  33                         percent = 0.0;
  34         }
  35
  36         return percent_color_snprintf(hpp->buf, hpp->size, " %6.2f%%", percent);
  37 }
  38
  39 static int hpp__entry_overhead(struct perf_hpp *hpp, struct hist_entry *he)
  40 {
  41         double percent = 100.0 * he->period / hpp->total_period;
  42         const char *fmt = symbol_conf.field_sep ? "%.2f" : " %6.2f%%";
  43
  44         if (hpp->ptr) {
  45                 struct hists *old_hists = hpp->ptr;
  46                 u64 total_period = old_hists->stats.total_period;
  47                 u64 base_period = he->pair ? he->pair->period : 0;
  48
  49                 if (total_period)
  50                         percent = 100.0 * base_period / total_period;
  51                 else
  52                         percent = 0.0;
  53         }
  54
  55         return scnprintf(hpp->buf, hpp->size, fmt, percent);
  56 }
  57
  58 static int hpp__header_overhead_sys(struct perf_hpp *hpp)
  59 {
  60         const char *fmt = symbol_conf.field_sep ? "%s" : "%7s";
  61
  62         return scnprintf(hpp->buf, hpp->size, fmt, "sys");
  63 }
  64
  65 static int hpp__width_overhead_sys(struct perf_hpp *hpp __maybe_unused)
  66 {
  67         return 7;
  68 }
  69
  70 static int hpp__color_overhead_sys(struct perf_hpp *hpp, struct hist_entry *he)
  71 {
  72         double percent = 100.0 * he->period_sys / hpp->total_period;
  73         return percent_color_snprintf(hpp->buf, hpp->size, "%6.2f%%", percent);
  74 }
  75
  76 static int hpp__entry_overhead_sys(struct perf_hpp *hpp, struct hist_entry *he)
  77 {
  78         double percent = 100.0 * he->period_sys / hpp->total_period;
  79         const char *fmt = symbol_conf.field_sep ? "%.2f" : "%6.2f%%";
  80
  81         return scnprintf(hpp->buf, hpp->size, fmt, percent);
  82 }
  83
  84 static int hpp__header_overhead_us(struct perf_hpp *hpp)
  85 {
  86         const char *fmt = symbol_conf.field_sep ? "%s" : "%7s";
  87
  88         return scnprintf(hpp->buf, hpp->size, fmt, "user");
  89 }
  90
  91 static int hpp__width_overhead_us(struct perf_hpp *hpp __maybe_unused)
  92 {
  93         return 7;
  94 }
  95
  96 static int hpp__color_overhead_us(struct perf_hpp *hpp, struct hist_entry *he)
  97 {
  98         double percent = 100.0 * he->period_us / hpp->total_period;
  99         return percent_color_snprintf(hpp->buf, hpp->size, "%6.2f%%", percent);
 100 }
 101
 102 static int hpp__entry_overhead_us(struct perf_hpp *hpp, struct hist_entry *he)
 103 {
 104         double percent = 100.0 * he->period_us / hpp->total_period;
 105         const char *fmt = symbol_conf.field_sep ? "%.2f" : "%6.2f%%";
 106
 107         return scnprintf(hpp->buf, hpp->size, fmt, percent);
 108 }
 109
 110 static int hpp__header_overhead_guest_sys(struct perf_hpp *hpp)
 111 {
 112         return scnprintf(hpp->buf, hpp->size, "guest sys");
 113 }
 114
 115 static int hpp__width_overhead_guest_sys(struct perf_hpp *hpp __maybe_unused)
 116 {
 117         return 9;
 118 }
 119
 120 static int hpp__color_overhead_guest_sys(struct perf_hpp *hpp,
 121                                          struct hist_entry *he)
 122 {
 123         double percent = 100.0 * he->period_guest_sys / hpp->total_period;
 124         return percent_color_snprintf(hpp->buf, hpp->size, " %6.2f%% ", percent);
 125 }
 126
 127 static int hpp__entry_overhead_guest_sys(struct perf_hpp *hpp,
 128                                          struct hist_entry *he)
 129 {
 130         double percent = 100.0 * he->period_guest_sys / hpp->total_period;
 131         const char *fmt = symbol_conf.field_sep ? "%.2f" : " %6.2f%% ";
 132
 133         return scnprintf(hpp->buf, hpp->size, fmt, percent);
 134 }
 135
 136 static int hpp__header_overhead_guest_us(struct perf_hpp *hpp)
 137 {
 138         return scnprintf(hpp->buf, hpp->size, "guest usr");
 139 }
 140
 141 static int hpp__width_overhead_guest_us(struct perf_hpp *hpp __maybe_unused)
 142 {
 143         return 9;
 144 }
 145
 146 static int hpp__color_overhead_guest_us(struct perf_hpp *hpp,
 147                                         struct hist_entry *he)
 148 {
 149         double percent = 100.0 * he->period_guest_us / hpp->total_period;
 150         return percent_color_snprintf(hpp->buf, hpp->size, " %6.2f%% ", percent);
 151 }
 152
 153 static int hpp__entry_overhead_guest_us(struct perf_hpp *hpp,
 154                                         struct hist_entry *he)
 155 {
 156         double percent = 100.0 * he->period_guest_us / hpp->total_period;
 157         const char *fmt = symbol_conf.field_sep ? "%.2f" : " %6.2f%% ";
 158
 159         return scnprintf(hpp->buf, hpp->size, fmt, percent);
 160 }
 161
 162 static int hpp__header_samples(struct perf_hpp *hpp)
 163 {
 164         const char *fmt = symbol_conf.field_sep ? "%s" : "%11s";
 165
 166         return scnprintf(hpp->buf, hpp->size, fmt, "Samples");
 167 }
 168
 169 static int hpp__width_samples(struct perf_hpp *hpp __maybe_unused)
 170 {
 171         return 11;
 172 }
 173
 174 static int hpp__entry_samples(struct perf_hpp *hpp, struct hist_entry *he)
 175 {
 176         const char *fmt = symbol_conf.field_sep ? "%" PRIu64 : "%11" PRIu64;
 177
 178         return scnprintf(hpp->buf, hpp->size, fmt, he->nr_events);
 179 }
 180
 181 static int hpp__header_period(struct perf_hpp *hpp)
 182 {
 183         const char *fmt = symbol_conf.field_sep ? "%s" : "%12s";
 184
 185         return scnprintf(hpp->buf, hpp->size, fmt, "Period");
 186 }
 187
 188 static int hpp__width_period(struct perf_hpp *hpp __maybe_unused)
 189 {
 190         return 12;
 191 }
 192
 193 static int hpp__entry_period(struct perf_hpp *hpp, struct hist_entry *he)
 194 {
 195         const char *fmt = symbol_conf.field_sep ? "%" PRIu64 : "%12" PRIu64;
 196
 197         return scnprintf(hpp->buf, hpp->size, fmt, he->period);
 198 }
 199
 200 static int hpp__header_delta(struct perf_hpp *hpp)
 201 {
 202         const char *fmt = symbol_conf.field_sep ? "%s" : "%7s";
 203
 204         return scnprintf(hpp->buf, hpp->size, fmt, "Delta");
 205 }
 206
 207 static int hpp__width_delta(struct perf_hpp *hpp __maybe_unused)
 208 {
 209         return 7;
 210 }
 211
 212 static int hpp__entry_delta(struct perf_hpp *hpp, struct hist_entry *he)
 213 {
 214         struct hists *pair_hists = hpp->ptr;
 215         u64 old_total, new_total;
 216         double old_percent = 0, new_percent = 0;
 217         double diff;
 218         const char *fmt = symbol_conf.field_sep ? "%s" : "%7.7s";
 219         char buf[32] = " ";
 220
 221         old_total = pair_hists->stats.total_period;
 222         if (old_total > 0 && he->pair)
 223                 old_percent = 100.0 * he->pair->period / old_total;
 224
 225         new_total = hpp->total_period;
 226         if (new_total > 0)
 227                 new_percent = 100.0 * he->period / new_total;
 228
 229         diff = new_percent - old_percent;
 230         if (fabs(diff) >= 0.01)
 231                 scnprintf(buf, sizeof(buf), "%+4.2F%%", diff);
 232
 233         return scnprintf(hpp->buf, hpp->size, fmt, buf);
 234 }
 235
 236 static int hpp__header_displ(struct perf_hpp *hpp)
 237 {
 238         return scnprintf(hpp->buf, hpp->size, "Displ.");
 239 }
 240
 241 static int hpp__width_displ(struct perf_hpp *hpp __maybe_unused)
 242 {
 243         return 6;
 244 }
 245
 246 static int hpp__entry_displ(struct perf_hpp *hpp,
 247                             struct hist_entry *he __maybe_unused)
 248 {
 249         const char *fmt = symbol_conf.field_sep ? "%s" : "%6.6s";
 250         char buf[32] = " ";
 251
 252         if (hpp->displacement)
 253                 scnprintf(buf, sizeof(buf), "%+4ld", hpp->displacement);
 254
 255         return scnprintf(hpp->buf, hpp->size, fmt, buf);
 256 }
 257
 258 #define HPP__COLOR_PRINT_FNS(_name)             \
 259         .header = hpp__header_ ## _name,                \
 260         .width  = hpp__width_ ## _name,         \
 261         .color  = hpp__color_ ## _name,         \
 262         .entry  = hpp__entry_ ## _name
 263
 264 #define HPP__PRINT_FNS(_name)                   \
 265         .header = hpp__header_ ## _name,                \
 266         .width  = hpp__width_ ## _name,         \
 267         .entry  = hpp__entry_ ## _name
 268
 269 struct perf_hpp_fmt perf_hpp__format[] = {
 270         { .cond = true,  HPP__COLOR_PRINT_FNS(overhead) },
 271         { .cond = false, HPP__COLOR_PRINT_FNS(overhead_sys) },
 272         { .cond = false, HPP__COLOR_PRINT_FNS(overhead_us) },
 273         { .cond = false, HPP__COLOR_PRINT_FNS(overhead_guest_sys) },
 274         { .cond = false, HPP__COLOR_PRINT_FNS(overhead_guest_us) },
 275         { .cond = false, HPP__PRINT_FNS(samples) },
 276         { .cond = false, HPP__PRINT_FNS(period) },
 277         { .cond = false, HPP__PRINT_FNS(delta) },
 278         { .cond = false, HPP__PRINT_FNS(displ) }
 279 };
 280
 281 #undef HPP__COLOR_PRINT_FNS
 282 #undef HPP__PRINT_FNS
 283
 284 void perf_hpp__init(bool need_pair, bool show_displacement)
 285 {
 286         if (symbol_conf.show_cpu_utilization) {
 287                 perf_hpp__format[PERF_HPP__OVERHEAD_SYS].cond = true;
 288                 perf_hpp__format[PERF_HPP__OVERHEAD_US].cond = true;
 289
 290                 if (perf_guest) {
 291                         perf_hpp__format[PERF_HPP__OVERHEAD_GUEST_SYS].cond = true;
 292                         perf_hpp__format[PERF_HPP__OVERHEAD_GUEST_US].cond = true;
 293                 }
 294         }
 295
 296         if (symbol_conf.show_nr_samples)
 297                 perf_hpp__format[PERF_HPP__SAMPLES].cond = true;
 298
 299         if (symbol_conf.show_total_period)
 300                 perf_hpp__format[PERF_HPP__PERIOD].cond = true;
 301
 302         if (need_pair) {
 303                 perf_hpp__format[PERF_HPP__DELTA].cond = true;
 304
 305                 if (show_displacement)
 306                         perf_hpp__format[PERF_HPP__DISPL].cond = true;
 307         }
 308 }
 309
 310 static inline void advance_hpp(struct perf_hpp *hpp, int inc)
 311 {
 312         hpp->buf  += inc;
 313         hpp->size -= inc;
 314 }
 315
 316 int hist_entry__period_snprintf(struct perf_hpp *hpp, struct hist_entry *he,
 317                                 bool color)
 318 {
 319         const char *sep = symbol_conf.field_sep;
 320         char *start = hpp->buf;
 321         int i, ret;
 322
 323         if (symbol_conf.exclude_other && !he->parent)
 324                 return 0;
 325
 326         for (i = 0; i < PERF_HPP__MAX_INDEX; i++) {
 327                 if (!perf_hpp__format[i].cond)
 328                         continue;
 329
 330                 if (!sep || i > 0) {
 331                         ret = scnprintf(hpp->buf, hpp->size, "%s", sep ?: "  ");
 332                         advance_hpp(hpp, ret);
 333                 }
 334
 335                 if (color && perf_hpp__format[i].color)
 336                         ret = perf_hpp__format[i].color(hpp, he);
 337                 else
 338                         ret = perf_hpp__format[i].entry(hpp, he);
 339
 340                 advance_hpp(hpp, ret);
 341         }
 342
 343         return hpp->buf - start;
 344 }
 345
 346 int hist_entry__sort_snprintf(struct hist_entry *he, char *s, size_t size,
 347                               struct hists *hists)
 348 {
 349         const char *sep = symbol_conf.field_sep;
 350         struct sort_entry *se;
 351         int ret = 0;
 352
 353         list_for_each_entry(se, &hist_entry__sort_list, list) {
 354                 if (se->elide)
 355                         continue;
 356
 357                 ret += scnprintf(s + ret, size - ret, "%s", sep ?: "  ");
 358                 ret += se->se_snprintf(he, s + ret, size - ret,
 359                                        hists__col_len(hists, se->se_width_idx));
 360         }
 361
 362         return ret;
 363 }
 364
 365 /*
 366  * See hists__fprintf to match the column widths
 367  */
 368 unsigned int hists__sort_list_width(struct hists *hists)
 369 {
 370         struct sort_entry *se;
 371         int i, ret = 0;
 372
 373         for (i = 0; i < PERF_HPP__MAX_INDEX; i++) {
 374                 if (!perf_hpp__format[i].cond)
 375                         continue;
 376                 if (i)
 377                         ret += 2;
 378
 379                 ret += perf_hpp__format[i].width(NULL);
 380         }
 381
 382         list_for_each_entry(se, &hist_entry__sort_list, list)
 383                 if (!se->elide)
 384                         ret += 2 + hists__col_len(hists, se->se_width_idx);
 385
 386         if (verbose) /* Addr + origin */
 387                 ret += 3 + BITS_PER_LONG / 4;
 388
 389         return ret;
 390 }