memps.c

   1 /* Copyright 2014-2020 Samsung Electronics Co., Ltd All Rights Reserved
   2  *
   3  * Licensed under the Apache License, Version 2.0 (the "License");
   4  * you may not use this file except in compliance with the License.
   5  * You may obtain a copy of the License at
   6  *
   7  * http://www.apache.org/licenses/LICENSE-2.0
   8  *
   9  * Unless required by applicable law or agreed to in writing, software
  10  * distributed under the License is distributed on an "AS IS" BASIS,
  11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12  * See the License for the specific language governing permissions and
  13  * limitations under the License.
  14  */
  15
  16 #include <stdio.h>
  17 #include <stdlib.h>
  18 #include <stdbool.h>
  19 #include <math.h>
  20 #include <string.h>
  21 #include <errno.h>
  22 #include <unistd.h>
  23 #include <fcntl.h>
  24 #include <sys/stat.h>
  25 #include <sys/types.h>
  26 #include <sys/vfs.h>
  27 #include <linux/limits.h>
  28 #include <limits.h>
  29
  30 #include <ctype.h>
  31 #include <stddef.h>
  32 #include <inttypes.h>
  33
  34 #include <dirent.h>
  35 #include <sys/utsname.h>
  36
  37 #define STR_SGX_PATH    "/dev/pvrsrvkm"
  38 #define STR_3D_PATH1    "/dev/mali"
  39 #define STR_3D_PATH2    "/dev/kgsl-3d0"
  40 #define STR_3D_UNIFIED_PATH "/usr/bin/gpu_mem_info"
  41 #define STR_DRM_PATH1   "/drm mm object (deleted)"
  42 #define STR_DRM_PATH2   "/dev/dri/card"
  43 #define STR_DRM_DBG_DIR "/sys/kernel/debug/dri/"
  44 #define STR_DRM_RENDER_PATH     "/dev/dri/renderD"
  45 #define MEMCG_PATH      "/sys/fs/cgroup/memory"
  46 #define ZRAM_USED_PATH  "/sys/block/zram0/mem_used_total"
  47 #define ZRAM_MM_STAT_PATH       "/sys/block/zram0/mm_stat"
  48 #define OOM_SCORE_ADJ_STR       "oom_score_adj"
  49 #define OOM_SCORE_STR   "oom_score"
  50
  51 #define BUF_MAX         (BUFSIZ)            /* most optimal for libc::stdio */
  52 #define BUF_INC_SIZE    (512 * 1024)        /* maximal SMAPS I saw 2 MB     */
  53 #define KB(bytes)       ((bytes)/1024)
  54
  55 #define BYTE_TO_KBYTE(b) ((b) >> 10)
  56 #define BYTE_TO_MBYTE(b) ((b) >> 20)
  57 #define BYTE_TO_GBYTE(b) ((b) >> 30)
  58
  59 #define KBYTE_TO_BYTE(k) ((k) << 10)
  60 #define KBYTE_TO_MBYTE(k) ((k) >> 10)
  61 #define KBYTE_TO_GBYTE(k) ((k) >> 20)
  62
  63 #define GBYTE_TO_BYTE(g) ((g) << 30)
  64 #define GBYTE_TO_KBYTE(g) ((g) << 20)
  65 #define GBYTE_TO_MBYTE(g) ((g) << 10)
  66
  67 typedef struct geminfo geminfo;
  68 typedef struct mapinfo mapinfo;
  69 typedef struct trib_mapinfo trib_mapinfo;
  70
  71 enum {
  72         OUTPUT_UART,
  73         OUTPUT_FILE,
  74         NUM_OUTPUT_TYPE
  75 };
  76
  77 struct mapinfo {
  78         mapinfo *next;
  79         unsigned long start;
  80         unsigned long end;
  81         unsigned size;
  82         unsigned swap;
  83         unsigned rss;
  84         unsigned pss;
  85         unsigned shared_clean;
  86         unsigned shared_dirty;
  87         unsigned private_clean;
  88         unsigned private_dirty;
  89         char *perm;
  90         char *name;
  91 };
  92
  93 /* classify normal, graphic and other devices memory */
  94 struct trib_mapinfo {
  95         unsigned shared_clean;
  96         unsigned shared_dirty;
  97         unsigned private_clean;
  98         unsigned private_dirty;
  99         unsigned shared_clean_pss;
 100         unsigned shared_dirty_pss;
 101         unsigned swap;
 102         unsigned rss;
 103         unsigned pss;
 104         unsigned size;
 105         unsigned graphic_3d;
 106         unsigned gem_rss;
 107         unsigned gem_pss;
 108         unsigned peak_rss;
 109         unsigned other_devices;
 110         unsigned gem_mmap;
 111         unsigned render_gem_mmap;
 112 };
 113
 114 struct geminfo {
 115         geminfo *next;
 116         unsigned int tgid;
 117         unsigned rss_size;
 118         unsigned pss_size;
 119         unsigned hcount;
 120         unsigned int imported;
 121 };
 122
 123 static int sum;
 124 static int verbos;
 125 static int use_gpu_mem_info = 0;
 126 static int pid_max = 0;
 127 static int dri_card = 0;
 128
 129 /* reads file contents into memory */
 130 static char* cread(const char* path)
 131 {
 132         /* once allocated area for reads */
 133         static char*    text = NULL;
 134         static size_t   size = 0;
 135
 136         ssize_t ret;
 137         char*   ptr = text;
 138         size_t  cap = size;
 139         int     fd  = open(path, O_RDONLY);
 140
 141         if (fd < 0)
 142                 return NULL;
 143
 144         do {
 145                 /* ensure we have enough space */
 146                 if (cap == 0) {
 147                         ptr = (char*)realloc(text, size + BUF_INC_SIZE);
 148                         if (ptr == NULL) {
 149                                 ret = -1;
 150                                 break;
 151                         }
 152
 153                         text  = ptr;
 154                         ptr   = text + size;
 155                         cap   = BUF_INC_SIZE;
 156                         size += BUF_INC_SIZE;
 157                 }
 158                 ret = read(fd, ptr, cap);
 159                 if (ret == 0) {
 160                         *ptr = 0;
 161                 } else if (ret > 0) {
 162                         cap -= ret;
 163                         ptr += ret;
 164                 }
 165         } while (ret > 0);
 166         close(fd);
 167
 168         return (ret < 0 ? NULL : text);
 169 } /* cread */
 170
 171 /* like fgets/gets but adjusting contents pointer */
 172 static inline char* cgets(char** contents)
 173 {
 174         if (contents && *contents && **contents) {
 175                 char* bos = *contents;          /* begin of string */
 176                 char* eos = strchr(bos, '\n');  /* end of string   */
 177
 178                 if (eos) {
 179                         *contents = eos + 1;
 180                         *eos      = 0;
 181                 } else {
 182                         *contents = NULL;
 183                 }
 184                 return bos;
 185         }
 186
 187         return NULL;
 188 } /* cgets */
 189
 190 /* get pid_max value */
 191 static inline int get_pid_max(void)
 192 {
 193         static const char pid_max_path[] = "/proc/sys/kernel/pid_max";
 194         char* line;
 195
 196         line = cread(pid_max_path);
 197         if (line == NULL) {
 198                 fprintf(stderr, "cannot open %s\n", pid_max_path);
 199                 return 0;
 200         }
 201
 202         return strtoul(line, NULL, 10);
 203 }
 204
 205
 206 static unsigned get_peak_rss(unsigned int pid)
 207 {
 208         static const char field[] = "VmHWM:";
 209         char tmp[128];
 210         char* line;
 211         char* value;
 212
 213         snprintf(tmp, sizeof(tmp), "/proc/%d/status", pid);
 214         line = cread(tmp);
 215         if (line == NULL) {
 216                 fprintf(stderr, "cannot open %s\n", tmp);
 217                 return 0;
 218         }
 219
 220         value = strstr(line, field);
 221         if (value) {
 222                 value += sizeof(field);
 223                 return strtoul(value, NULL, 10);
 224         }
 225
 226         return 0;
 227 }
 228 #define NUM_GEM_FIELD 7
 229
 230 static geminfo *read_geminfo(FILE *fp)
 231 {
 232         geminfo *tgeminfo;
 233         char line[BUF_MAX];
 234         unsigned int pid, tgid, handle, refcount, hcount;
 235         unsigned gem_size;
 236         unsigned int imported;
 237
 238         if (fgets(line, BUF_MAX, fp) != NULL) {
 239                 if (sscanf(line, "%d %d %d %d %d 0x%x 0x%*x %*d %*d %d",
 240                         &pid, &tgid, &handle, &refcount,
 241                         &hcount, &gem_size, &imported) != NUM_GEM_FIELD)
 242                         return NULL;
 243
 244                 if (hcount == 0)
 245                         return NULL;
 246                 tgeminfo = malloc(sizeof(geminfo));
 247                 if (tgeminfo == NULL)
 248                         return NULL;
 249                 tgeminfo->tgid = tgid;
 250                 tgeminfo->hcount = hcount;
 251                 tgeminfo->rss_size = KB(gem_size);
 252                 tgeminfo->pss_size = KB(gem_size/tgeminfo->hcount);
 253                 tgeminfo->imported = imported;
 254         } else
 255                 return NULL;
 256
 257         return tgeminfo;
 258 }
 259
 260
 261 static geminfo *find_geminfo(unsigned int tgid, geminfo *gilist)
 262 {
 263         geminfo *gi;
 264         for (gi = gilist; gi; ) {
 265                 if (gi->tgid == tgid)
 266                         return gi;
 267
 268                 gi = gi->next;
 269         }
 270         return NULL;
 271 }
 272
 273 static geminfo *get_geminfo(FILE *drm_fp)
 274 {
 275         geminfo *ginfo;
 276         geminfo *gilist = NULL;
 277         geminfo *exist_ginfo = NULL;
 278
 279         char line[BUF_MAX];
 280
 281         if (fgets(line, BUF_MAX, drm_fp) == NULL) {
 282                 return NULL;
 283         } else {
 284                 /* we should count a number of whitespace separated fields */
 285                 int in_field = (line[0] && !isblank(line[0]));
 286                 unsigned int size = (unsigned)in_field;
 287                 const char*  ptr  = &line[1];
 288
 289                 /* sscanf() was used in original code, so number of fields */
 290                 /* in string is expected to be at least NUM_GEM_FIELD      */
 291                 while (*ptr && size < NUM_GEM_FIELD) {
 292                         if (isblank(*ptr++)) {
 293                                 if (in_field) {
 294                                         /* end of field */
 295                                         in_field = 0;
 296                                 }
 297                         } else {
 298                                 if (!in_field) {
 299                                         /* next field started */
 300                                         in_field = 1;
 301                                         size++;
 302                                 }
 303                         }
 304                 } /* while */
 305
 306                 if (size != NUM_GEM_FIELD) {
 307                         return NULL;
 308                 }
 309         }
 310
 311         while ((ginfo = read_geminfo(drm_fp)) != NULL) {
 312                 if (gilist && ginfo->tgid == gilist->tgid) {
 313                         gilist->pss_size += ginfo->pss_size;
 314                         gilist->rss_size += ginfo->rss_size;
 315                         free(ginfo);
 316                         continue;
 317                 } else if (gilist && ((exist_ginfo = find_geminfo(ginfo->tgid, gilist)) != NULL)) {
 318                         exist_ginfo->pss_size += ginfo->pss_size;
 319                         exist_ginfo->rss_size += ginfo->rss_size;
 320                         free(ginfo);
 321                         continue;
 322                 }
 323                 ginfo->next = gilist;
 324                 gilist = ginfo;
 325         }
 326
 327         return gilist;
 328 }
 329
 330 static geminfo *load_geminfo(void)
 331 {
 332         geminfo *gilist;
 333         FILE *drm_fp;
 334
 335         drm_fp = fopen(STR_DRM_DBG_DIR "0/gem_info", "r");
 336         if (drm_fp == NULL) {
 337                 drm_fp = fopen(STR_DRM_DBG_DIR "1/gem_info", "r");
 338                 dri_card = 1;
 339                 if (drm_fp == NULL) {
 340                         fprintf(stderr,
 341                                 "cannot open " STR_DRM_DBG_DIR "%d/gem_info\n",
 342                                 dri_card);
 343                         return NULL;
 344                 }
 345         }
 346
 347         gilist = get_geminfo(drm_fp);
 348
 349         fclose(drm_fp);
 350
 351         return gilist;
 352 }
 353
 354 static geminfo *load_gpu_geminfo(void)
 355 {
 356         geminfo *gilist;
 357         FILE *drm_fp;
 358
 359         /* Check the render dri card having gpu_gem_info */
 360         drm_fp = fopen(STR_DRM_DBG_DIR "128/gpu_gem_info", "r");
 361         if (drm_fp == NULL) {
 362                 fprintf(stderr,
 363                         "cannot open " STR_DRM_DBG_DIR "128/gpu_gem_info\n");
 364                 return NULL;
 365         }
 366
 367         gilist = get_geminfo(drm_fp);
 368
 369         fclose(drm_fp);
 370
 371         return gilist;
 372 }
 373
 374 static void clear_geminfo(geminfo *glist)
 375 {
 376         while (glist) {
 377                 geminfo *gelement = glist;
 378                 glist = glist->next;
 379
 380                 free(gelement);
 381         }
 382 }
 383
 384 /* b6e82000-b6e83000 rw-p 00020000 b3:19 714        /usr/lib/ld-2.20-2014.11.so  : TM1
 385  * 7f9389d000-7f9389e000 rw-p 0001f000 b3:12 618                            /usr/lib64/ld-2.20-2014.11.so  : TM2
 386  * 7fae2e4b2000-7fae2e4b3000 r--p 00021000 fe:01 603                        /usr/lib64/ld-2.20-2014.11.so  : x86-64 Emulator
 387  * 01234567890123456789012345678901234567890123456789012345678901234567890123456789
 388  * 0         1         2         3         4         5         6         7
 389  */
 390 mapinfo *read_mapinfo(char** smaps)
 391 {
 392         char* line;
 393         mapinfo *mi;
 394         int len;
 395         int n;
 396
 397         if ((line = cgets(smaps)) == 0)
 398                 return 0;
 399
 400         len = strlen(line);
 401         if (len < 1)
 402                 return 0;
 403
 404         mi = malloc(sizeof(mapinfo));
 405         if (mi == 0)
 406                 return 0;
 407
 408         n = sscanf(line, "%lx-%lx %ms %*s %*s %*s %m[^\n]",
 409                            &mi->start, &mi->end, &mi->perm, &mi->name);
 410
 411         if (n == 3 && !mi->name)
 412                 mi->name = strndup("[anon]", strlen("[anon]"));
 413         else if (n <= 3) {
 414                 fprintf(stderr, "Fail to parse smaps\n");
 415                 free(mi);
 416                 return 0;
 417         }
 418
 419         while ((line = cgets(smaps))) {
 420                 if (sscanf(line, "Size: %d kB", &mi->size) == 1)
 421                         ;
 422                 else if (sscanf(line, "Rss: %d kB", &mi->rss) == 1)
 423                         ;
 424                 else if (sscanf(line, "Pss: %d kB", &mi->pss) == 1)
 425                         ;
 426                 else if (sscanf(line, "Shared_Clean: %d kB", &mi->shared_clean) == 1)
 427                         ;
 428                 else if (sscanf(line, "Shared_Dirty: %d kB", &mi->shared_dirty) == 1)
 429                         ;
 430                 else if (sscanf(line, "Private_Clean: %d kB", &mi->private_clean) == 1)
 431                         ;
 432                 else if (sscanf(line, "Private_Dirty: %d kB", &mi->private_dirty) == 1)
 433                         ;
 434                 else if (sscanf(line, "Swap: %d kB", &mi->swap) == 1)
 435                         ;
 436                 if (*smaps) {
 437                         /* Drain lines until it meets next VMA address */
 438                         char next = **smaps;
 439                         if  ((next >= '0' && next <= '9') || (next >= 'a' && next <= 'f'))
 440                                 break;
 441                 }
 442         }
 443
 444         return mi;
 445 }
 446
 447 static unsigned total_gem_memory(void)
 448 {
 449         FILE *gem_fp;
 450         unsigned total_gem_mem = 0;
 451         unsigned name, size, handles, refcount;
 452         char line[BUF_MAX];
 453
 454         if (!dri_card)
 455                 gem_fp = fopen(STR_DRM_DBG_DIR "0/gem_names", "r");
 456         else
 457                 gem_fp = fopen(STR_DRM_DBG_DIR "1/gem_names", "r");
 458         if (gem_fp == NULL) {
 459                 fprintf(stderr,
 460                 "cannot open " STR_DRM_DBG_DIR "%d/gem_names\n", dri_card);
 461                 return 0;
 462         }
 463
 464         if (fgets(line, BUF_MAX, gem_fp) == NULL) {
 465                 fclose(gem_fp);
 466                 return 0;
 467         }
 468
 469         while (fgets(line, BUF_MAX, gem_fp) != NULL) {
 470                 if (sscanf(line, "%d %d %d %d\n",
 471                     &name, &size, &handles, &refcount) == 4) {
 472                         if (total_gem_mem <= UINT_MAX - size) {
 473                                 total_gem_mem += size;
 474                         }
 475                 }
 476         }
 477         fclose(gem_fp);
 478
 479         return total_gem_mem;
 480 }
 481
 482 int get_zram_used(u_int32_t *zram_used)
 483 {
 484         FILE *f = NULL;
 485         /* only read 3rd value */
 486         char *fscanf_format = "%*d %*d %d %*d %*d %*d %*d %*d";
 487         int ret;
 488
 489         f = fopen(ZRAM_MM_STAT_PATH, "r");
 490         if (!f) {
 491                 /*
 492                  * ZRAM_USED_PATH is deprecated on latest kernel, but to support
 493                  * old kernel try with that if fails new node 'mm_stat'.
 494                  */
 495                 f = fopen(ZRAM_USED_PATH, "r");
 496                 if (!f) {
 497                         fprintf(stderr, "Fail to open zram file.\n");
 498                         return -1;
 499                 }
 500                 fscanf_format = "%u";
 501         }
 502
 503         ret = fscanf(f, fscanf_format, zram_used);
 504         if (ret == EOF) {
 505                 fprintf(stderr, "Fail to read file\n");
 506                 fclose(f);
 507                 return -1;
 508         }
 509
 510         fclose(f);
 511         return 0;
 512 }
 513
 514 int fread_uint(const char *path, u_int32_t *number)
 515 {
 516         FILE *f = NULL;
 517         int ret;
 518
 519         f = fopen(path, "r");
 520
 521         if (!f) {
 522                 fprintf(stderr, "Fail to open %s file.\n", path);
 523                 return -1;
 524         }
 525
 526         ret = fscanf(f, "%u", number);
 527         if (ret == EOF) {
 528                 fprintf(stderr, "Fail to read file\n");
 529                 fclose(f);
 530                 return -1;
 531         }
 532
 533         fclose(f);
 534         return 0;
 535 }
 536
 537 static int cgroup_read_node(const char *cgroup_name,
 538                 const char *file_name, unsigned int *value)
 539 {
 540         char buf[PATH_MAX + NAME_MAX];
 541         int ret;
 542         snprintf(buf, sizeof(buf), "%s%s", cgroup_name, file_name);
 543         ret = fread_uint(buf, value);
 544         return ret;
 545 }
 546
 547 /**
 548  * @desc Provides usage in bytes for provided memory cgroup. Works
 549  * with/without swap accounting.
 550  *
 551  * @param memcg_path[in] Full path to memory cgroup
 552  * @param swap[in] Boolean value for deciding if account usage with swap
 553  * @return current cgroup usage in bytes or 0 on error
 554  */
 555 static unsigned int get_memcg_usage(const char *memcg_path, bool swap)
 556 {
 557         int ret;
 558         unsigned int usage;
 559
 560         if (swap) {
 561                 ret = cgroup_read_node(memcg_path,
 562                                 "/memory.memsw.usage_in_bytes", &usage);
 563         } else {
 564                 ret = cgroup_read_node(memcg_path, "/memory.usage_in_bytes",
 565                                 &usage);
 566         }
 567
 568         if (ret != 0)
 569                 usage = 0;
 570
 571         return usage;
 572 }
 573
 574 static void get_memcg_info(FILE *output_fp)
 575 {
 576         char buf[PATH_MAX];
 577         DIR *pdir = NULL;
 578         struct dirent *entry;
 579         struct stat path_stat;
 580         long usage_swap;
 581         unsigned long usage, usage_with_swap;
 582
 583         fprintf(output_fp, "====================================================================\n");
 584         fprintf(output_fp, "MEMORY CGROUPS USAGE INFO\n");
 585
 586         pdir = opendir(MEMCG_PATH);
 587         if (pdir == NULL) {
 588                 fprintf(stderr, "cannot read directory %s", MEMCG_PATH);
 589                 return;
 590         }
 591
 592         errno = 0;
 593         while ((entry = readdir(pdir)) != NULL && !errno) {
 594                 snprintf(buf, sizeof(buf), "%s/%s", MEMCG_PATH, entry->d_name);
 595                 /* If can't stat then ignore */
 596                 if (stat(buf, &path_stat) != 0)
 597                         continue;
 598
 599                 /* If it's not directory or it's parent path then ignore */
 600                 if (!(S_ISDIR(path_stat.st_mode) &&
 601                         strncmp(entry->d_name, "..", 3)))
 602                         continue;
 603
 604                 usage = get_memcg_usage(buf, false);
 605                 usage_with_swap = get_memcg_usage(buf, true);
 606                 /* It is posible by rounding errors to get negative value */
 607                 usage_swap = usage_with_swap - usage;
 608                 if (usage_swap < 0)
 609                         usage_swap = 0;
 610
 611                 /* Case of root cgroup in hierarchy */
 612                 if (!strncmp(entry->d_name, ".", 2))
 613                         fprintf(output_fp, "%13s Mem %3ld MB (%6ld kB), Mem+Swap %3ld MB (%6ld kB), Swap %3ld MB (%6ld kB) \n\n",
 614                                 MEMCG_PATH, BYTE_TO_MBYTE(usage),
 615                                 BYTE_TO_KBYTE(usage),
 616                                 BYTE_TO_MBYTE(usage_with_swap),
 617                                 BYTE_TO_KBYTE(usage_with_swap),
 618                                 BYTE_TO_MBYTE(usage_swap),
 619                                 BYTE_TO_KBYTE(usage_swap));
 620                 else
 621                         fprintf(output_fp, "memcg: %13s  Mem %3ld MB (%6ld kB), Mem+Swap %3ld MB (%6ld kB), Swap %3ld MB (%6ld kB)\n",
 622                                 entry->d_name, BYTE_TO_MBYTE(usage),
 623                                 BYTE_TO_KBYTE(usage),
 624                                 BYTE_TO_MBYTE(usage_with_swap),
 625                                 BYTE_TO_KBYTE(usage_with_swap),
 626                                 BYTE_TO_MBYTE(usage_swap),
 627                                 BYTE_TO_KBYTE(usage_swap));
 628
 629         }
 630
 631         closedir(pdir);
 632 }
 633
 634 static void get_mem_info(FILE *output_fp)
 635 {
 636         char buf[PATH_MAX];
 637         FILE *fp;
 638         char *idx;
 639         unsigned int free = 0, cached = 0;
 640         unsigned int total_mem = 0, available = 0, used;
 641         unsigned int swap_total = 0, swap_free = 0, zram_used, swap_used;
 642         unsigned int used_ratio;
 643
 644         if (output_fp == NULL)
 645                 return;
 646
 647         fp = fopen("/proc/meminfo", "r");
 648
 649         if (!fp) {
 650                 fprintf(stderr, "/proc/meminfo open failed, %p", fp);
 651                 return;
 652         }
 653
 654         while (fgets(buf, PATH_MAX, fp) != NULL) {
 655                 if ((idx = strstr(buf, "MemTotal:"))) {
 656                         idx += strlen("Memtotal:");
 657                         while ((idx < buf + PATH_MAX) && (*idx < '0' || *idx > '9'))
 658                                 idx++;
 659                         total_mem = atoi(idx);
 660                 } else if ((idx = strstr(buf, "MemFree:"))) {
 661                         idx += strlen("MemFree:");
 662                         while ((idx < buf + PATH_MAX) && (*idx < '0' || *idx > '9'))
 663                                 idx++;
 664                         free = atoi(idx);
 665                 } else if ((idx = strstr(buf, "MemAvailable:"))) {
 666                         idx += strlen("MemAvailable:");
 667                         while ((idx < buf + PATH_MAX) && (*idx < '0' || *idx > '9'))
 668                                 idx++;
 669                         available = atoi(idx);
 670                 } else if ((idx = strstr(buf, "Cached:")) && !strstr(buf, "Swap")) {
 671                         idx += strlen("Cached:");
 672                         while ((idx < buf + PATH_MAX) && (*idx < '0' || *idx > '9'))
 673                                 idx++;
 674                         cached = atoi(idx);
 675                 } else if ((idx = strstr(buf, "SwapTotal:"))) {
 676                         idx += strlen("SwapTotal:");
 677                         while ((idx < buf + PATH_MAX) && (*idx < '0' || *idx > '9'))
 678                                 idx++;
 679                         swap_total = atoi(idx);
 680                 } else if ((idx = strstr(buf, "SwapFree:"))) {
 681                         idx += strlen("SwapFree");
 682                         while ((idx < buf + PATH_MAX) && (*idx < '0' || *idx > '9'))
 683                                 idx++;
 684                         swap_free = atoi(idx);
 685                         break;
 686                 }
 687         }
 688
 689         if (total_mem == 0) {
 690                 fprintf(stderr, "cannot get total memory size\n");
 691                 fclose(fp);
 692                 return;
 693         }
 694
 695         if (available == 0)
 696                 available = free + cached;
 697         used = total_mem - available;
 698         used_ratio = used * 100 / total_mem;
 699         swap_used = swap_total - swap_free;
 700
 701         if (get_zram_used(&zram_used) < 0)
 702                 zram_used = 0;
 703
 704         fprintf(output_fp,
 705                 "====================================================================\n");
 706
 707
 708         fprintf(output_fp, "Total RAM size: \t%15d MB( %6d kB)\n",
 709                         total_mem >> 10, total_mem);
 710
 711         fprintf(output_fp, "Used (Mem+Reclaimable): %15d MB( %6d kB)\n",
 712                         (total_mem - free) >> 10, total_mem - free);
 713
 714         fprintf(output_fp, "Used (Mem+Swap): \t%15d MB( %6d kB)\n",
 715                         used >> 10, used);
 716
 717         fprintf(output_fp, "Used (Mem):  \t\t%15d MB( %6d kB)\n",
 718                         used >> 10, used);
 719
 720         fprintf(output_fp, "Used (Swap): \t\t%15d MB( %6d kB)\n",
 721                         swap_used >> 10, swap_used);
 722
 723         fprintf(output_fp, "Used (Zram block device): %13d MB( %6d kB)\n",
 724             BYTE_TO_MBYTE(zram_used), BYTE_TO_KBYTE(zram_used));
 725
 726         fprintf(output_fp, "Used Ratio: \t\t%15d  %%\n", used_ratio);
 727
 728         fprintf(output_fp, "Mem Free:\t\t%15d MB( %6d kB)\n",
 729                         free >> 10, free);
 730
 731         fprintf(output_fp, "Available (Free+Reclaimable):%10d MB( %6d kB)\n",
 732                         available >> 10,
 733                         available);
 734         fclose(fp);
 735 }
 736
 737 static int get_tmpfs_info(FILE *output_fp)
 738 {
 739         FILE *fp;
 740         char line[BUF_MAX];
 741         char *tmpfs_mp; /* tmpfs mount point */
 742         struct statfs tmpfs_info;
 743
 744         if (output_fp == NULL)
 745                 return -1;
 746
 747         fp = fopen("/etc/mtab", "r");
 748         if (fp == NULL)
 749                 return -1;
 750
 751         fprintf(output_fp,
 752                 "====================================================================\n");
 753         fprintf(output_fp, "TMPFS INFO\n");
 754
 755         while (fgets(line, BUF_MAX, fp) != NULL) {
 756                 if (sscanf(line, "tmpfs %ms tmpfs", &tmpfs_mp) == 1) {
 757                         if (statfs(tmpfs_mp, &tmpfs_info) == 0) {
 758                                 fprintf(output_fp,
 759 #ifndef __USE_FILE_OFFSET64
 760                                         "tmpfs %16s  Total %8ld KB, Used %8ld, Avail %8ld\n",
 761 #else
 762                                         "tmpfs %16s  Total %8"PRId64" KB, Used %8"PRId64", Avail %8"PRId64"\n",
 763 #endif
 764                                         tmpfs_mp,
 765                                         /* 1 block is 4 KB */
 766                                         tmpfs_info.f_blocks * 4,
 767                                         (tmpfs_info.f_blocks - tmpfs_info.f_bfree) * 4,
 768                                         tmpfs_info.f_bfree * 4);
 769                         }
 770                         free(tmpfs_mp);
 771                         tmpfs_mp = NULL;
 772                 }
 773         }
 774         fclose(fp);
 775         return 0;
 776 }
 777
 778 static inline mapinfo *__load_maps(const char *path)
 779 {
 780         char* smaps;
 781         mapinfo *milist = 0;
 782         mapinfo *mi;
 783
 784         if (!path)
 785                 return 0;
 786
 787         smaps = cread(path);
 788         if (smaps == NULL)
 789                 return 0;
 790
 791         while ((mi = read_mapinfo(&smaps)) != 0) {
 792                 if (milist) {
 793                         if ((!strcmp(mi->name, milist->name)
 794                              && (mi->name[0] != '['))) {
 795                                 milist->size += mi->size;
 796                                 milist->swap += mi->swap;
 797                                 milist->rss += mi->rss;
 798                                 milist->pss += mi->pss;
 799                                 milist->shared_clean += mi->shared_clean;
 800                                 milist->shared_dirty += mi->shared_dirty;
 801                                 milist->private_clean += mi->private_clean;
 802                                 milist->private_dirty += mi->private_dirty;
 803
 804                                 milist->end = mi->end;
 805                                 strncpy(milist->perm, mi->perm, 4);
 806                                 free(mi->perm);
 807                                 free(mi->name);
 808                                 free(mi);
 809                                 continue;
 810                         }
 811                 }
 812                 mi->next = milist;
 813                 milist = mi;
 814         }
 815
 816         return milist;
 817 }
 818
 819 mapinfo *load_maps_rollup(int pid)
 820 {
 821         char tmp[128];
 822
 823         /*
 824          * use smaps_rollup instead of traversing smaps
 825          * for getting values quickly
 826          */
 827         snprintf(tmp, sizeof(tmp), "/proc/%d/smaps_rollup", pid);
 828         if (access(tmp, F_OK) < 0)
 829                 return 0;
 830         return __load_maps(tmp);
 831 }
 832
 833 mapinfo *load_maps(int pid)
 834 {
 835         char tmp[128];
 836
 837         snprintf(tmp, sizeof(tmp), "/proc/%d/smaps", pid);
 838         return __load_maps(tmp);
 839 }
 840
 841 static void init_trib_mapinfo(trib_mapinfo *tmi)
 842 {
 843         if (!tmi)
 844                 return;
 845         tmi->shared_clean = 0;
 846         tmi->shared_dirty = 0;
 847         tmi->private_clean = 0;
 848         tmi->private_dirty = 0;
 849         tmi->swap = 0;
 850         tmi->shared_clean_pss = 0;
 851         tmi->shared_dirty_pss = 0;
 852         tmi->rss = 0;
 853         tmi->pss = 0;
 854         tmi->size = 0;
 855         tmi->graphic_3d = 0;
 856         tmi->gem_rss = 0;
 857         tmi->gem_pss = 0;
 858         tmi->peak_rss = 0;
 859         tmi->other_devices = 0;
 860         tmi->gem_mmap = 0;
 861         tmi->render_gem_mmap = 0;
 862 }
 863
 864 unsigned int get_graphic_3d_meminfo(unsigned int tgid)
 865 {
 866         char command[256], buf[256];
 867         char *tmp[2];
 868         unsigned int size = 0;
 869         int tid, ret;
 870         FILE *p_gpu;
 871
 872         snprintf(command, sizeof(command), "%s %d", STR_3D_UNIFIED_PATH, tgid);
 873         p_gpu = popen(command, "r");
 874         if (p_gpu) {
 875                 if (fgets(buf, 256, p_gpu)) {
 876                         ret = sscanf(buf, "%d %ms %d %ms", &tid, &tmp[0], &size, &tmp[1]);
 877                         if (ret == 4) {
 878                                 free(tmp[0]);
 879                                 free(tmp[1]);
 880                         }
 881                 }
 882                 pclose(p_gpu);
 883         }
 884         return size;
 885 }
 886
 887 static int
 888 get_trib_mapinfo(unsigned int tgid, mapinfo *milist,
 889                  geminfo *gilist, geminfo *gpu_glist,
 890                  trib_mapinfo *result)
 891
 892 {
 893         mapinfo *mi;
 894         mapinfo *temp = NULL;
 895         geminfo *gi;
 896
 897         if (!result)
 898                 return -EINVAL;
 899
 900         init_trib_mapinfo(result);
 901
 902         if (use_gpu_mem_info)
 903                 result->graphic_3d = get_graphic_3d_meminfo(tgid);
 904
 905         for (mi = milist; mi;) {
 906                 if (!use_gpu_mem_info && strstr(mi->name, STR_SGX_PATH)) {
 907                         result->graphic_3d += mi->pss;
 908                 } else if (!use_gpu_mem_info && (strstr(mi->name, STR_3D_PATH1) ||
 909                         strstr(mi->name, STR_3D_PATH2))) {
 910                         result->graphic_3d += mi->size;
 911                 } else if (mi->rss != 0 && mi->pss == 0
 912                            && mi->shared_clean == 0
 913                            && mi->shared_dirty == 0
 914                            && mi->private_clean == 0
 915                            && mi->private_dirty == 0
 916                            && mi->swap == 0) {
 917                         result->other_devices += mi->size;
 918                 } else if (!strncmp(mi->name, STR_DRM_PATH1,
 919                                 sizeof(STR_DRM_PATH1)) ||
 920                                 !strncmp(mi->name, STR_DRM_PATH2,
 921                                 sizeof(STR_DRM_PATH2))) {
 922                         result->gem_mmap += mi->rss;
 923                 } else if (!strncmp(mi->name, STR_DRM_RENDER_PATH,
 924                                 sizeof(STR_DRM_RENDER_PATH))) {
 925                         result->render_gem_mmap += mi->rss;
 926                 } else {
 927                         result->shared_clean += mi->shared_clean;
 928                         result->shared_dirty += mi->shared_dirty;
 929                         result->private_clean += mi->private_clean;
 930                         result->private_dirty += mi->private_dirty;
 931                         result->swap += mi->swap;
 932                         result->rss += mi->rss;
 933                         result->pss += mi->pss;
 934                         result->size += mi->size;
 935
 936                         if (mi->shared_clean != 0)
 937                                 result->shared_clean_pss += mi->pss;
 938                         else if (mi->shared_dirty != 0)
 939                                 result->shared_dirty_pss += mi->pss;
 940                 }
 941
 942                 temp = mi;
 943                 mi = mi->next;
 944                 free(temp->perm);
 945                 free(temp->name);
 946                 free(temp);
 947                 temp = NULL;
 948         }
 949
 950         result->peak_rss = get_peak_rss(tgid);
 951         if (result->peak_rss < result->rss)
 952                 result->peak_rss = result->rss;
 953         if (result->gem_mmap > 0)
 954                 result->peak_rss -= result->gem_mmap;
 955         if (result->render_gem_mmap > 0)
 956                 result->peak_rss -= result->render_gem_mmap;
 957
 958         gi = find_geminfo(tgid, gilist);
 959         if (gi != NULL) {
 960                 result->gem_rss = gi->rss_size;
 961                 result->gem_pss = gi->pss_size;
 962         }
 963
 964         if (gpu_glist) {
 965                 /*
 966                  * drm render has gpu_gem_info, then use gpua gem pss
 967                  * as graphic 3d memory
 968                  */
 969                 gi = find_geminfo(tgid, gpu_glist);
 970                 if (gi != NULL)
 971                         result->graphic_3d += gi->pss_size;
 972         }
 973
 974         return 0;
 975 }
 976
 977 static int get_cmdline(unsigned int pid, char *cmdline)
 978 {
 979         FILE *fp;
 980         char buf[NAME_MAX] = {0, };
 981         int ret = -1;
 982
 983         snprintf(buf, sizeof(buf), "/proc/%d/cmdline", pid);
 984         fp = fopen(buf, "r");
 985         if (fp == 0) {
 986                 if (errno == ENOENT)
 987                         errno = 0;
 988                 fprintf(stderr, "cannot file open %s\n", buf);
 989                 return ret;
 990         }
 991         if ((ret = fscanf(fp, "%4095s", cmdline)) < 1) {
 992                 fclose(fp);
 993                 return ret;
 994         }
 995         fclose(fp);
 996
 997         return ret;
 998 }
 999
1000 static int get_oomscoreadj(unsigned int pid, const char *oom_string)
1001 {
1002         FILE *fp;
1003         char tmp[256];
1004         int oomadj_val;
1005
1006         snprintf(tmp, sizeof(tmp), "/proc/%d/%s", pid, oom_string);
1007         fp = fopen(tmp, "r");
1008
1009         if (fp == NULL) {
1010                 oomadj_val = -50;
1011                 return oomadj_val;
1012         }
1013         if (fgets(tmp, sizeof(tmp), fp) == NULL) {
1014                 oomadj_val = -100;
1015                 fclose(fp);
1016                 return oomadj_val;
1017         }
1018
1019         oomadj_val = atoi(tmp);
1020
1021         fclose(fp);
1022         return oomadj_val;
1023 }
1024
1025 static void get_rss(pid_t pid, unsigned long *result)
1026 {
1027         FILE *fp;
1028         char proc_path[PATH_MAX];
1029         unsigned long rss = 0;
1030
1031         *result = 0;
1032
1033         snprintf(proc_path, sizeof(proc_path), "/proc/%d/statm", pid);
1034         fp = fopen(proc_path, "r");
1035         if (fp == NULL)
1036                 return;
1037
1038         if (fscanf(fp, "%*s %ld", &rss) < 1) {
1039                 fclose(fp);
1040                 return;
1041         }
1042
1043         fclose(fp);
1044
1045         /* convert page to Kb */
1046         *result = rss << 2;
1047         return;
1048 }
1049
1050 static const char* get_readable_oom_path(void)
1051 {
1052         FILE *fp = NULL;
1053         char tmp[256];
1054
1055         snprintf(tmp, sizeof(tmp), "/proc/1/%s", OOM_SCORE_ADJ_STR);
1056         fp = fopen(tmp, "r");
1057         if (fp) {
1058                 fclose(fp);
1059                 return OOM_SCORE_ADJ_STR;
1060         }
1061         snprintf(tmp, sizeof(tmp), "/proc/1/%s", OOM_SCORE_STR);
1062         fp = fopen(tmp, "r");
1063         if (fp) {
1064                 fclose(fp);
1065                 return OOM_SCORE_STR;
1066         }
1067         return NULL;
1068 }
1069
1070 static void show_rss(int output_type, char *output_path)
1071 {
1072         DIR *pDir = NULL;
1073         struct dirent *curdir;
1074         pid_t pid;
1075         char cmdline[PATH_MAX];
1076         FILE *output_file = NULL;
1077         int oom_score_adj;
1078         unsigned long rss;
1079         const char *oom_path = NULL;
1080
1081         oom_path = get_readable_oom_path();
1082         if (!oom_path) {
1083                 fprintf(stderr, "there is no readable oom path\n");
1084                 return;
1085         }
1086
1087         pDir = opendir("/proc");
1088         if (pDir == NULL) {
1089                 fprintf(stderr, "cannot read directory /proc.\n");
1090                 return;
1091         }
1092
1093         if (output_type == OUTPUT_FILE && output_path) {
1094                 output_file = fopen(output_path, "w+");
1095                 if (!output_file) {
1096                         fprintf(stderr, "cannot open output file(%s)\n",
1097                                 output_path);
1098                         closedir(pDir);
1099                         exit(1);
1100                 }
1101         } else
1102                 output_file = stdout;
1103
1104
1105         fprintf(output_file,
1106                         "     PID      RSS %14s    COMMAND\n", oom_path);
1107
1108         errno = 0;
1109         while ((curdir = readdir(pDir)) != NULL && !errno) {
1110                 pid = atoi(curdir->d_name);
1111                 if (pid < 1 || pid > pid_max || pid == getpid())
1112                         continue;
1113
1114                 if (get_cmdline(pid, cmdline) < 0)
1115                         continue;
1116                 get_rss(pid, &rss);
1117                 oom_score_adj = get_oomscoreadj(pid, oom_path);
1118
1119                 fprintf(output_file,
1120                                 "%8d %8lu       %8d    %s\n",
1121                                 pid,
1122                                 rss,
1123                                 oom_score_adj,
1124                                 cmdline);
1125
1126
1127         } /* end of while */
1128
1129         get_tmpfs_info(output_file);
1130         get_mem_info(output_file);
1131
1132         fclose(output_file);
1133         closedir(pDir);
1134
1135         return;
1136 }
1137
1138 static int show_map_all_new(int output_type, char *output_path, bool use_rollup)
1139 {
1140         DIR *pDir = NULL;
1141         struct dirent *curdir;
1142         unsigned int pid;
1143         geminfo *glist;
1144         geminfo *gpu_glist;
1145         unsigned total_pss = 0;
1146         unsigned total_private = 0;
1147         unsigned total_private_code = 0;
1148         unsigned total_private_data = 0;
1149         unsigned total_shared_code = 0;
1150         unsigned total_shared_data = 0;
1151         unsigned total_shared_code_pss = 0;
1152         unsigned total_shared_data_pss = 0;
1153         unsigned total_swap = 0;
1154         unsigned total_rss = 0;
1155         unsigned total_graphic_3d = 0;
1156         unsigned total_gem_rss = 0;
1157         unsigned total_gem_pss = 0;
1158         unsigned total_peak_rss = 0;
1159         unsigned total_allocated_gem = 0;
1160         trib_mapinfo tmi;
1161         char cmdline[PATH_MAX];
1162         FILE *output_file = NULL;
1163         int oom_score_adj;
1164         const char *oom_path = NULL;
1165
1166         oom_path = get_readable_oom_path();
1167         if (!oom_path) {
1168                 fprintf(stderr, "there is no readable oom path\n");
1169                 return 0;
1170         }
1171
1172         use_gpu_mem_info = (!access(STR_3D_UNIFIED_PATH, F_OK | X_OK)) ? 1 : 0;
1173         errno = 0;
1174
1175         pDir = opendir("/proc");
1176         if (pDir == NULL) {
1177                 fprintf(stderr, "cannot read directory /proc.\n");
1178                 return 0;
1179         }
1180
1181         if (output_type == OUTPUT_FILE && output_path) {
1182                 output_file = fopen(output_path, "w+");
1183                 if (!output_file) {
1184                         fprintf(stderr, "cannot open output file(%s)\n",
1185                                 output_path);
1186                         closedir(pDir);
1187                         exit(1);
1188                 }
1189         } else
1190                 output_file = stdout;
1191
1192         glist = load_geminfo();
1193         gpu_glist = load_gpu_geminfo();
1194
1195         if (!sum) {
1196                 if (verbos)
1197                         fprintf(output_file,
1198                                         "     PID  S(CODE)  S(DATA)  P(CODE)  P(DATA) "
1199                                         "    PEAK      PSS       3D GEM(PSS) GEM(RSS) "
1200                                         "    SWAP %14s    COMMAND\n", oom_path);
1201                 else
1202                         fprintf(output_file,
1203                                         "     PID     CODE     DATA     PEAK      PSS "
1204                                         "      3D GEM(PSS)     SWAP    COMMAND\n");
1205         }
1206
1207         errno = 0;
1208         while ((curdir = readdir(pDir)) != NULL && !errno) {
1209                 mapinfo *milist = 0;
1210
1211                 pid = atoi(curdir->d_name);
1212                 if (pid < 1 || pid > pid_max || pid == getpid())
1213                         continue;
1214
1215                 if (get_cmdline(pid, cmdline) < 0)
1216                         continue;
1217
1218                 if (use_rollup)
1219                         milist = load_maps_rollup(pid);
1220
1221                 if (milist == 0) {
1222                         /* fall back to the default lookup path */
1223                         milist = load_maps(pid);
1224                         if (milist == 0)
1225                                 continue;
1226                 }
1227
1228                 /* get classified map info, milist will be freed */
1229                 get_trib_mapinfo(pid, milist, glist, gpu_glist, &tmi);
1230                 oom_score_adj = get_oomscoreadj(pid, oom_path);
1231
1232                 if (!sum) {
1233                         if (verbos)
1234                                 fprintf(output_file,
1235                                         "%8d %8d %8d %8d %8d "
1236                                         "%8d %8d %8d %8d %8d "
1237                                         "%8d       %8d    %s\n",
1238                                         pid,
1239                                         tmi.shared_clean,
1240                                         tmi.shared_dirty,
1241                                         tmi.private_clean,
1242                                         tmi.private_dirty,
1243                                         tmi.peak_rss,
1244                                         tmi.pss,
1245                                         tmi.graphic_3d,
1246                                         tmi.gem_pss,
1247                                         tmi.gem_rss,
1248                                         tmi.swap,
1249                                         oom_score_adj,
1250                                         cmdline);
1251                         else
1252                                 fprintf(output_file,
1253                                         "%8d %8d %8d %8d %8d "
1254                                         "%8d %8d %8d    %s\n",
1255                                         pid,
1256                                         tmi.shared_clean + tmi.private_clean,
1257                                         tmi.shared_dirty + tmi.private_dirty,
1258                                         tmi.peak_rss,
1259                                         tmi.pss,
1260                                         tmi.graphic_3d,
1261                                         tmi.gem_pss,
1262                                         tmi.swap,
1263                                         cmdline);
1264
1265                         if (tmi.other_devices != 0)
1266                                 fprintf(output_file,
1267                                         "%s(%d) %d KB may mapped by device(s).\n",
1268                                         cmdline, pid, tmi.other_devices);
1269                 }
1270
1271                 total_private += (tmi.private_clean + tmi.private_dirty);
1272                 total_pss += tmi.pss;
1273                 total_rss += tmi.rss;
1274                 total_graphic_3d += tmi.graphic_3d;
1275                 total_gem_rss += tmi.gem_rss;
1276                 total_gem_pss += tmi.gem_pss;
1277                 total_private_code += tmi.private_clean;
1278                 total_private_data += tmi.private_dirty;
1279                 total_swap += tmi.swap;
1280                 total_shared_code += tmi.shared_clean;
1281                 total_shared_data += tmi.shared_dirty;
1282                 total_peak_rss += tmi.peak_rss;
1283
1284                 total_shared_code_pss += tmi.shared_clean_pss;
1285                 total_shared_data_pss += tmi.shared_dirty_pss;
1286
1287         } /* end of while */
1288
1289         total_allocated_gem = KB(total_gem_memory());
1290         fprintf(output_file,
1291                         "==============================================="
1292                         "===============================================\n");
1293         if (verbos) {
1294                 fprintf(output_file,
1295                                 "TOTAL:    S(CODE)  S(DATA)  P(CODE)  P(DATA) "
1296                                 "    PEAK      PSS       3D GEM(PSS) GEM(RSS) "
1297                                 "GEM(ALLOC)     SWAP  TOTAL(KB)\n");
1298                 fprintf(output_file,
1299                         "         %8d %8d %8d %8d "
1300                         "%8d %8d %8d %8d %8d "
1301                         "%10d %8d %10d\n",
1302                         total_shared_code, total_shared_data,
1303                         total_private_code, total_private_data,
1304                         total_peak_rss, total_pss, total_graphic_3d,
1305                         total_gem_pss, total_gem_rss,
1306                         total_allocated_gem, total_swap,
1307                         total_pss + total_graphic_3d +
1308                         total_allocated_gem);
1309         } else {
1310                 fprintf(output_file,
1311                         "TOTAL:       CODE     DATA     PEAK      PSS "
1312                         "      3D GEM(PSS) GEM(ALLOC)     SWAP  TOTAL(KB)\n");
1313                 fprintf(output_file,
1314                         "         %8d %8d %8d %8d "
1315                         "%8d %8d %10d %8d %10d\n",
1316                         total_shared_code + total_private_code,
1317                         total_shared_data + total_private_data,
1318                         total_peak_rss, total_pss,
1319                         total_graphic_3d, total_gem_pss,
1320                         total_allocated_gem, total_swap,
1321                         total_pss + total_graphic_3d +
1322                         total_allocated_gem);
1323
1324         }
1325
1326         if (verbos)
1327                 fprintf(output_file,
1328                         "* S(CODE): shared clean memory, it includes"
1329                         " duplicated memory\n"
1330                         "* S(DATA): shared dirty memory, it includes"
1331                         " duplicated memory\n"
1332                         "* P(CODE): private clean memory\n"
1333                         "* P(DATA): private dirty memory\n"
1334                         "* PEAK: peak memory usage of S(CODE) + S(DATA)"
1335                         " + P(CODE) + P(DATA)\n"
1336                         "* PSS: Proportional Set Size\n"
1337                         "* 3D: memory allocated by GPU driver\n"
1338                         "* GEM(PSS): GEM memory divided by # of sharers\n"
1339                         "* GEM(RSS): GEM memory including duplicated memory\n"
1340                         "* GEM(ALLOC): sum of unique gem memory in the system\n"
1341                         "* TOTAL: PSS + 3D + GEM(ALLOC)\n");
1342         else
1343                 fprintf(output_file,
1344                         "* CODE: shared and private clean memory\n"
1345                         "* DATA: shared and private dirty memory\n"
1346                         "* PEAK: peak memory usage of CODE + DATA\n"
1347                         "* PSS: Proportional Set Size\n"
1348                         "* 3D: memory allocated by GPU driver\n"
1349                         "* GEM(PSS): GEM memory divided by # of sharers\n"
1350                         "* GEM(ALLOC): sum of unique GEM memory in the system\n"
1351                         "* TOTAL: PSS + 3D + GEM(ALLOC)\n");
1352
1353         get_tmpfs_info(output_file);
1354         get_memcg_info(output_file);
1355         get_mem_info(output_file);
1356
1357         fclose(output_file);
1358         clear_geminfo(glist);
1359         clear_geminfo(gpu_glist);
1360         closedir(pDir);
1361         return 1;
1362 }
1363
1364 static int show_map_new(int pid)
1365 {
1366         mapinfo *milist;
1367         mapinfo *mi;
1368         mapinfo *temp = NULL;
1369         unsigned shared_dirty = 0;
1370         unsigned shared_clean = 0;
1371         unsigned private_dirty = 0;
1372         unsigned private_clean = 0;
1373         unsigned pss = 0;
1374         unsigned long start = 0;
1375         unsigned long end = 0;
1376         unsigned private_clean_total = 0;
1377         unsigned private_dirty_total = 0;
1378         unsigned shared_clean_total = 0;
1379         unsigned shared_dirty_total = 0;
1380         int duplication = 0;
1381
1382         milist = load_maps(pid);
1383
1384         if (milist == 0) {
1385                 fprintf(stderr, "cannot get /proc/smaps for pid %d\n", pid);
1386                 return 1;
1387         }
1388
1389         if (!sum) {
1390                 if (sizeof(unsigned long) == 4) {
1391                         /* for 32-bit address */
1392                         printf(" S(CODE)  S(DATA)  P(CODE)  P(DATA)      PSS "
1393                                 "ADDR(start-end)   "
1394                                 "OBJECT NAME\n");
1395                         printf("-------- -------- -------- -------- -------- "
1396                                 "----------------- "
1397                                 "------------------------------\n");
1398                 } else {
1399                         /* for 64-bit address */
1400                         printf(" S(CODE)  S(DATA)  P(CODE)  P(DATA)      PSS "
1401                                 "ADDR(start-end)                   "
1402                                 "OBJECT NAME\n");
1403                         printf("-------- -------- -------- -------- -------- "
1404                                 "--------------------------------- "
1405                                 "------------------------------\n");
1406                 }
1407         } else {
1408                 printf(" S(CODE)  S(DATA)  P(CODE)  P(DATA)      PSS\n");
1409                 printf("-------- -------- -------- -------- --------\n");
1410         }
1411         for (mi = milist; mi;) {
1412                 shared_clean += mi->shared_clean;
1413                 shared_dirty += mi->shared_dirty;
1414                 private_clean += mi->private_clean;
1415                 private_dirty += mi->private_dirty;
1416                 pss += mi->pss;
1417
1418                 shared_clean_total += mi->shared_clean;
1419                 shared_dirty_total += mi->shared_dirty;
1420                 private_clean_total += mi->private_clean;
1421                 private_dirty_total += mi->private_dirty;
1422
1423                 if (!duplication)
1424                         start = mi->start;
1425
1426                 if ((mi->next && !strcmp(mi->next->name, mi->name)) &&
1427                     (mi->next->start == mi->end)) {
1428                         duplication = 1;
1429
1430                         temp = mi;
1431                         mi = mi->next;
1432                         free(temp->perm);
1433                         free(temp->name);
1434                         free(temp);
1435                         temp = NULL;
1436                         continue;
1437                 }
1438                 end = mi->end;
1439                 duplication = 0;
1440
1441                 if (!sum) {
1442                         if (sizeof(unsigned long) == 4) {
1443                                 /* for 32-bit address */
1444                                 printf("%8d %8d %8d %8d %8d %08lx-%08lx %s\n",
1445                                         shared_clean, shared_dirty,
1446                                         private_clean, private_dirty, mi->pss,
1447                                         start, end, mi->name);
1448                         } else {
1449                                 /* for 64-bit address */
1450                                 printf("%8d %8d %8d %8d %8d %016lx-%016lx %s\n",
1451                                         shared_clean, shared_dirty,
1452                                         private_clean, private_dirty, mi->pss,
1453                                         start, end, mi->name);
1454                         }
1455                 }
1456                 shared_clean = 0;
1457                 shared_dirty = 0;
1458                 private_clean = 0;
1459                 private_dirty = 0;
1460
1461                 temp = mi;
1462                 mi = mi->next;
1463                 free(temp->perm);
1464                 free(temp->name);
1465                 free(temp);
1466                 temp = NULL;
1467         }
1468         if (sum) {
1469                 printf("%8d %8d %8d %8d %8d\n",
1470                        shared_clean_total,
1471                        shared_dirty_total,
1472                        private_clean_total,
1473                        private_dirty_total,
1474                        pss);
1475         }
1476
1477         return 1;
1478 }
1479
1480 int main(int argc, char *argv[])
1481 {
1482         int usage = 1;
1483         sum = 0;
1484
1485         pid_max = get_pid_max();
1486
1487         if (argc > 1) {
1488                 if (!strncmp(argv[1], "-r", strlen("-r")+1)) {
1489                         if (argc >= 3)
1490                                 show_rss(OUTPUT_FILE, argv[2]);
1491                         else
1492                                 show_rss(OUTPUT_UART, NULL);
1493                         usage = 0;
1494                 } else if (!strncmp(argv[1], "-s", strlen("-s")+1)) {
1495                         sum = 1;
1496                         if (argc == 3 && atoi(argv[2]) > 0) {
1497                                 show_map_new(atoi(argv[2]));
1498                                 usage = 0;
1499                         }
1500                 } else if (!strncmp(argv[1], "-a", strlen("-a")+1)) {
1501                         verbos = 0;
1502                         show_map_all_new(OUTPUT_UART, NULL, false);
1503                         usage = 0;
1504                 } else if (!strncmp(argv[1], "-v", strlen("-v")+1)) {
1505                         verbos = 1;
1506                         show_map_all_new(OUTPUT_UART, NULL, false);
1507                         usage = 0;
1508                 } else if (!strncmp(argv[1], "-f", strlen("-f")+1)) {
1509                         if (argc >= 3) {
1510                                 verbos = 1;
1511                                 show_map_all_new(OUTPUT_FILE, argv[2], false);
1512                                 usage = 0;
1513                         }
1514                 } else if (!strncmp(argv[1], "-q", strlen("-q")+1)) {
1515                         verbos = 1;
1516                         show_map_all_new(OUTPUT_UART, NULL, true);
1517                         usage = 0;
1518                 } else if (argc == 2 && atoi(argv[1]) > 0) {
1519                         show_map_new(atoi(argv[1]));
1520                         usage = 0;
1521                 }
1522         }
1523         if (usage) {
1524                 fprintf(stderr,
1525                         "memps [-a] | [-v] | [-q] | [-r] | [-s] <pid> | <pid> | [-f] <output file full path>\n"
1526                         "        -s = sum (show only sum of each)\n"
1527                         "        -f = all (show all processes via output file)\n"
1528                         "        -a = all (show all processes)\n"
1529                         "        -r = all (show rss of all processes)\n"
1530                         "        -v = verbose (show all processes in detail)\n"
1531                         "        -q = verbose (experimental - quickly show all processes in detail)\n");
1532         }
1533
1534         return 0;
1535 }