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/kernel.h>
  17 #include <linux/stringify.h>
  18 #include <asm/bug.h>
  19 #include <sys/param.h>
  20 #include "util.h"
  21 #include "debug.h"
  22 #include "builtin.h"
  23 #include <subcmd/parse-options.h>
  24 #include "mem-events.h"
  25 #include "session.h"
  26 #include "hist.h"
  27 #include "sort.h"
  28 #include "tool.h"
  29 #include "data.h"
  30 #include "sort.h"
  31 #include "event.h"
  32 #include "evlist.h"
  33 #include "evsel.h"
  34 #include <asm/bug.h>
  35 #include "ui/browsers/hists.h"
  36 #include "evlist.h"
  37 #include "thread.h"
  38
  39 struct c2c_hists {
  40         struct hists            hists;
  41         struct perf_hpp_list    list;
  42         struct c2c_stats        stats;
  43 };
  44
  45 struct compute_stats {
  46         struct stats             lcl_hitm;
  47         struct stats             rmt_hitm;
  48         struct stats             load;
  49 };
  50
  51 struct c2c_hist_entry {
  52         struct c2c_hists        *hists;
  53         struct c2c_stats         stats;
  54         unsigned long           *cpuset;
  55         struct c2c_stats        *node_stats;
  56         unsigned int             cacheline_idx;
  57
  58         struct compute_stats     cstats;
  59
  60         /*
  61          * must be at the end,
  62          * because of its callchain dynamic entry
  63          */
  64         struct hist_entry       he;
  65 };
  66
  67 static char const *coalesce_default = "pid,iaddr";
  68
  69 struct perf_c2c {
  70         struct perf_tool        tool;
  71         struct c2c_hists        hists;
  72
  73         unsigned long           **nodes;
  74         int                      nodes_cnt;
  75         int                      cpus_cnt;
  76         int                     *cpu2node;
  77         int                      node_info;
  78
  79         bool                     show_src;
  80         bool                     show_all;
  81         bool                     use_stdio;
  82         bool                     stats_only;
  83         bool                     symbol_full;
  84
  85         /* HITM shared clines stats */
  86         struct c2c_stats        hitm_stats;
  87         int                     shared_clines;
  88
  89         int                      display;
  90
  91         const char              *coalesce;
  92         char                    *cl_sort;
  93         char                    *cl_resort;
  94         char                    *cl_output;
  95 };
  96
  97 enum {
  98         DISPLAY_LCL,
  99         DISPLAY_RMT,
 100         DISPLAY_TOT,
 101         DISPLAY_MAX,
 102 };
 103
 104 static const char *display_str[DISPLAY_MAX] = {
 105         [DISPLAY_LCL] = "Local",
 106         [DISPLAY_RMT] = "Remote",
 107         [DISPLAY_TOT] = "Total",
 108 };
 109
 110 static const struct option c2c_options[] = {
 111         OPT_INCR('v', "verbose", &verbose, "be more verbose (show counter open errors, etc)"),
 112         OPT_END()
 113 };
 114
 115 static struct perf_c2c c2c;
 116
 117 static void *c2c_he_zalloc(size_t size)
 118 {
 119         struct c2c_hist_entry *c2c_he;
 120
 121         c2c_he = zalloc(size + sizeof(*c2c_he));
 122         if (!c2c_he)
 123                 return NULL;
 124
 125         c2c_he->cpuset = bitmap_alloc(c2c.cpus_cnt);
 126         if (!c2c_he->cpuset)
 127                 return NULL;
 128
 129         c2c_he->node_stats = zalloc(c2c.nodes_cnt * sizeof(*c2c_he->node_stats));
 130         if (!c2c_he->node_stats)
 131                 return NULL;
 132
 133         init_stats(&c2c_he->cstats.lcl_hitm);
 134         init_stats(&c2c_he->cstats.rmt_hitm);
 135         init_stats(&c2c_he->cstats.load);
 136
 137         return &c2c_he->he;
 138 }
 139
 140 static void c2c_he_free(void *he)
 141 {
 142         struct c2c_hist_entry *c2c_he;
 143
 144         c2c_he = container_of(he, struct c2c_hist_entry, he);
 145         if (c2c_he->hists) {
 146                 hists__delete_entries(&c2c_he->hists->hists);
 147                 free(c2c_he->hists);
 148         }
 149
 150         free(c2c_he->cpuset);
 151         free(c2c_he->node_stats);
 152         free(c2c_he);
 153 }
 154
 155 static struct hist_entry_ops c2c_entry_ops = {
 156         .new    = c2c_he_zalloc,
 157         .free   = c2c_he_free,
 158 };
 159
 160 static int c2c_hists__init(struct c2c_hists *hists,
 161                            const char *sort,
 162                            int nr_header_lines);
 163
 164 static struct c2c_hists*
 165 he__get_c2c_hists(struct hist_entry *he,
 166                   const char *sort,
 167                   int nr_header_lines)
 168 {
 169         struct c2c_hist_entry *c2c_he;
 170         struct c2c_hists *hists;
 171         int ret;
 172
 173         c2c_he = container_of(he, struct c2c_hist_entry, he);
 174         if (c2c_he->hists)
 175                 return c2c_he->hists;
 176
 177         hists = c2c_he->hists = zalloc(sizeof(*hists));
 178         if (!hists)
 179                 return NULL;
 180
 181         ret = c2c_hists__init(hists, sort, nr_header_lines);
 182         if (ret) {
 183                 free(hists);
 184                 return NULL;
 185         }
 186
 187         return hists;
 188 }
 189
 190 static void c2c_he__set_cpu(struct c2c_hist_entry *c2c_he,
 191                             struct perf_sample *sample)
 192 {
 193         if (WARN_ONCE(sample->cpu == (unsigned int) -1,
 194                       "WARNING: no sample cpu value"))
 195                 return;
 196
 197         set_bit(sample->cpu, c2c_he->cpuset);
 198 }
 199
 200 static void compute_stats(struct c2c_hist_entry *c2c_he,
 201                           struct c2c_stats *stats,
 202                           u64 weight)
 203 {
 204         struct compute_stats *cstats = &c2c_he->cstats;
 205
 206         if (stats->rmt_hitm)
 207                 update_stats(&cstats->rmt_hitm, weight);
 208         else if (stats->lcl_hitm)
 209                 update_stats(&cstats->lcl_hitm, weight);
 210         else if (stats->load)
 211                 update_stats(&cstats->load, weight);
 212 }
 213
 214 static int process_sample_event(struct perf_tool *tool __maybe_unused,
 215                                 union perf_event *event,
 216                                 struct perf_sample *sample,
 217                                 struct perf_evsel *evsel,
 218                                 struct machine *machine)
 219 {
 220         struct c2c_hists *c2c_hists = &c2c.hists;
 221         struct c2c_hist_entry *c2c_he;
 222         struct c2c_stats stats = { .nr_entries = 0, };
 223         struct hist_entry *he;
 224         struct addr_location al;
 225         struct mem_info *mi, *mi_dup;
 226         int ret;
 227
 228         if (machine__resolve(machine, &al, sample) < 0) {
 229                 pr_debug("problem processing %d event, skipping it.\n",
 230                          event->header.type);
 231                 return -1;
 232         }
 233
 234         ret = sample__resolve_callchain(sample, &callchain_cursor, NULL,
 235                                         evsel, &al, sysctl_perf_event_max_stack);
 236         if (ret)
 237                 goto out;
 238
 239         mi = sample__resolve_mem(sample, &al);
 240         if (mi == NULL)
 241                 return -ENOMEM;
 242
 243         mi_dup = memdup(mi, sizeof(*mi));
 244         if (!mi_dup)
 245                 goto free_mi;
 246
 247         c2c_decode_stats(&stats, mi);
 248
 249         he = hists__add_entry_ops(&c2c_hists->hists, &c2c_entry_ops,
 250                                   &al, NULL, NULL, mi,
 251                                   sample, true);
 252         if (he == NULL)
 253                 goto free_mi_dup;
 254
 255         c2c_he = container_of(he, struct c2c_hist_entry, he);
 256         c2c_add_stats(&c2c_he->stats, &stats);
 257         c2c_add_stats(&c2c_hists->stats, &stats);
 258
 259         c2c_he__set_cpu(c2c_he, sample);
 260
 261         hists__inc_nr_samples(&c2c_hists->hists, he->filtered);
 262         ret = hist_entry__append_callchain(he, sample);
 263
 264         if (!ret) {
 265                 /*
 266                  * There's already been warning about missing
 267                  * sample's cpu value. Let's account all to
 268                  * node 0 in this case, without any further
 269                  * warning.
 270                  *
 271                  * Doing node stats only for single callchain data.
 272                  */
 273                 int cpu = sample->cpu == (unsigned int) -1 ? 0 : sample->cpu;
 274                 int node = c2c.cpu2node[cpu];
 275
 276                 mi = mi_dup;
 277
 278                 mi_dup = memdup(mi, sizeof(*mi));
 279                 if (!mi_dup)
 280                         goto free_mi;
 281
 282                 c2c_hists = he__get_c2c_hists(he, c2c.cl_sort, 2);
 283                 if (!c2c_hists)
 284                         goto free_mi_dup;
 285
 286                 he = hists__add_entry_ops(&c2c_hists->hists, &c2c_entry_ops,
 287                                           &al, NULL, NULL, mi,
 288                                           sample, true);
 289                 if (he == NULL)
 290                         goto free_mi_dup;
 291
 292                 c2c_he = container_of(he, struct c2c_hist_entry, he);
 293                 c2c_add_stats(&c2c_he->stats, &stats);
 294                 c2c_add_stats(&c2c_hists->stats, &stats);
 295                 c2c_add_stats(&c2c_he->node_stats[node], &stats);
 296
 297                 compute_stats(c2c_he, &stats, sample->weight);
 298
 299                 c2c_he__set_cpu(c2c_he, sample);
 300
 301                 hists__inc_nr_samples(&c2c_hists->hists, he->filtered);
 302                 ret = hist_entry__append_callchain(he, sample);
 303         }
 304
 305 out:
 306         addr_location__put(&al);
 307         return ret;
 308
 309 free_mi_dup:
 310         free(mi_dup);
 311 free_mi:
 312         free(mi);
 313         ret = -ENOMEM;
 314         goto out;
 315 }
 316
 317 static struct perf_c2c c2c = {
 318         .tool = {
 319                 .sample         = process_sample_event,
 320                 .mmap           = perf_event__process_mmap,
 321                 .mmap2          = perf_event__process_mmap2,
 322                 .comm           = perf_event__process_comm,
 323                 .exit           = perf_event__process_exit,
 324                 .fork           = perf_event__process_fork,
 325                 .lost           = perf_event__process_lost,
 326                 .ordered_events = true,
 327                 .ordering_requires_timestamps = true,
 328         },
 329 };
 330
 331 static const char * const c2c_usage[] = {
 332         "perf c2c {record|report}",
 333         NULL
 334 };
 335
 336 static const char * const __usage_report[] = {
 337         "perf c2c report",
 338         NULL
 339 };
 340
 341 static const char * const *report_c2c_usage = __usage_report;
 342
 343 #define C2C_HEADER_MAX 2
 344
 345 struct c2c_header {
 346         struct {
 347                 const char *text;
 348                 int         span;
 349         } line[C2C_HEADER_MAX];
 350 };
 351
 352 struct c2c_dimension {
 353         struct c2c_header        header;
 354         const char              *name;
 355         int                      width;
 356         struct sort_entry       *se;
 357
 358         int64_t (*cmp)(struct perf_hpp_fmt *fmt,
 359                        struct hist_entry *, struct hist_entry *);
 360         int   (*entry)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 361                        struct hist_entry *he);
 362         int   (*color)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 363                        struct hist_entry *he);
 364 };
 365
 366 struct c2c_fmt {
 367         struct perf_hpp_fmt      fmt;
 368         struct c2c_dimension    *dim;
 369 };
 370
 371 #define SYMBOL_WIDTH 30
 372
 373 static struct c2c_dimension dim_symbol;
 374 static struct c2c_dimension dim_srcline;
 375
 376 static int symbol_width(struct hists *hists, struct sort_entry *se)
 377 {
 378         int width = hists__col_len(hists, se->se_width_idx);
 379
 380         if (!c2c.symbol_full)
 381                 width = MIN(width, SYMBOL_WIDTH);
 382
 383         return width;
 384 }
 385
 386 static int c2c_width(struct perf_hpp_fmt *fmt,
 387                      struct perf_hpp *hpp __maybe_unused,
 388                      struct hists *hists)
 389 {
 390         struct c2c_fmt *c2c_fmt;
 391         struct c2c_dimension *dim;
 392
 393         c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
 394         dim = c2c_fmt->dim;
 395
 396         if (dim == &dim_symbol || dim == &dim_srcline)
 397                 return symbol_width(hists, dim->se);
 398
 399         return dim->se ? hists__col_len(hists, dim->se->se_width_idx) :
 400                          c2c_fmt->dim->width;
 401 }
 402
 403 static int c2c_header(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 404                       struct hists *hists, int line, int *span)
 405 {
 406         struct perf_hpp_list *hpp_list = hists->hpp_list;
 407         struct c2c_fmt *c2c_fmt;
 408         struct c2c_dimension *dim;
 409         const char *text = NULL;
 410         int width = c2c_width(fmt, hpp, hists);
 411
 412         c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
 413         dim = c2c_fmt->dim;
 414
 415         if (dim->se) {
 416                 text = dim->header.line[line].text;
 417                 /* Use the last line from sort_entry if not defined. */
 418                 if (!text && (line == hpp_list->nr_header_lines - 1))
 419                         text = dim->se->se_header;
 420         } else {
 421                 text = dim->header.line[line].text;
 422
 423                 if (*span) {
 424                         (*span)--;
 425                         return 0;
 426                 } else {
 427                         *span = dim->header.line[line].span;
 428                 }
 429         }
 430
 431         if (text == NULL)
 432                 text = "";
 433
 434         return scnprintf(hpp->buf, hpp->size, "%*s", width, text);
 435 }
 436
 437 #define HEX_STR(__s, __v)                               \
 438 ({                                                      \
 439         scnprintf(__s, sizeof(__s), "0x%" PRIx64, __v); \
 440         __s;                                            \
 441 })
 442
 443 static int64_t
 444 dcacheline_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 445                struct hist_entry *left, struct hist_entry *right)
 446 {
 447         return sort__dcacheline_cmp(left, right);
 448 }
 449
 450 static int dcacheline_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 451                             struct hist_entry *he)
 452 {
 453         uint64_t addr = 0;
 454         int width = c2c_width(fmt, hpp, he->hists);
 455         char buf[20];
 456
 457         if (he->mem_info)
 458                 addr = cl_address(he->mem_info->daddr.addr);
 459
 460         return scnprintf(hpp->buf, hpp->size, "%*s", width, HEX_STR(buf, addr));
 461 }
 462
 463 static int offset_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 464                         struct hist_entry *he)
 465 {
 466         uint64_t addr = 0;
 467         int width = c2c_width(fmt, hpp, he->hists);
 468         char buf[20];
 469
 470         if (he->mem_info)
 471                 addr = cl_offset(he->mem_info->daddr.al_addr);
 472
 473         return scnprintf(hpp->buf, hpp->size, "%*s", width, HEX_STR(buf, addr));
 474 }
 475
 476 static int64_t
 477 offset_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 478            struct hist_entry *left, struct hist_entry *right)
 479 {
 480         uint64_t l = 0, r = 0;
 481
 482         if (left->mem_info)
 483                 l = cl_offset(left->mem_info->daddr.addr);
 484         if (right->mem_info)
 485                 r = cl_offset(right->mem_info->daddr.addr);
 486
 487         return (int64_t)(r - l);
 488 }
 489
 490 static int
 491 iaddr_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 492             struct hist_entry *he)
 493 {
 494         uint64_t addr = 0;
 495         int width = c2c_width(fmt, hpp, he->hists);
 496         char buf[20];
 497
 498         if (he->mem_info)
 499                 addr = he->mem_info->iaddr.addr;
 500
 501         return scnprintf(hpp->buf, hpp->size, "%*s", width, HEX_STR(buf, addr));
 502 }
 503
 504 static int64_t
 505 iaddr_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 506           struct hist_entry *left, struct hist_entry *right)
 507 {
 508         return sort__iaddr_cmp(left, right);
 509 }
 510
 511 static int
 512 tot_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 513                struct hist_entry *he)
 514 {
 515         struct c2c_hist_entry *c2c_he;
 516         int width = c2c_width(fmt, hpp, he->hists);
 517         unsigned int tot_hitm;
 518
 519         c2c_he = container_of(he, struct c2c_hist_entry, he);
 520         tot_hitm = c2c_he->stats.lcl_hitm + c2c_he->stats.rmt_hitm;
 521
 522         return scnprintf(hpp->buf, hpp->size, "%*u", width, tot_hitm);
 523 }
 524
 525 static int64_t
 526 tot_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 527              struct hist_entry *left, struct hist_entry *right)
 528 {
 529         struct c2c_hist_entry *c2c_left;
 530         struct c2c_hist_entry *c2c_right;
 531         uint64_t tot_hitm_left;
 532         uint64_t tot_hitm_right;
 533
 534         c2c_left  = container_of(left, struct c2c_hist_entry, he);
 535         c2c_right = container_of(right, struct c2c_hist_entry, he);
 536
 537         tot_hitm_left  = c2c_left->stats.lcl_hitm + c2c_left->stats.rmt_hitm;
 538         tot_hitm_right = c2c_right->stats.lcl_hitm + c2c_right->stats.rmt_hitm;
 539
 540         return tot_hitm_left - tot_hitm_right;
 541 }
 542
 543 #define STAT_FN_ENTRY(__f)                                      \
 544 static int                                                      \
 545 __f ## _entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,   \
 546               struct hist_entry *he)                            \
 547 {                                                               \
 548         struct c2c_hist_entry *c2c_he;                          \
 549         int width = c2c_width(fmt, hpp, he->hists);             \
 550                                                                 \
 551         c2c_he = container_of(he, struct c2c_hist_entry, he);   \
 552         return scnprintf(hpp->buf, hpp->size, "%*u", width,     \
 553                          c2c_he->stats.__f);                    \
 554 }
 555
 556 #define STAT_FN_CMP(__f)                                                \
 557 static int64_t                                                          \
 558 __f ## _cmp(struct perf_hpp_fmt *fmt __maybe_unused,                    \
 559             struct hist_entry *left, struct hist_entry *right)          \
 560 {                                                                       \
 561         struct c2c_hist_entry *c2c_left, *c2c_right;                    \
 562                                                                         \
 563         c2c_left  = container_of(left, struct c2c_hist_entry, he);      \
 564         c2c_right = container_of(right, struct c2c_hist_entry, he);     \
 565         return (uint64_t) c2c_left->stats.__f -                         \
 566                (uint64_t) c2c_right->stats.__f;                         \
 567 }
 568
 569 #define STAT_FN(__f)            \
 570         STAT_FN_ENTRY(__f)      \
 571         STAT_FN_CMP(__f)
 572
 573 STAT_FN(rmt_hitm)
 574 STAT_FN(lcl_hitm)
 575 STAT_FN(store)
 576 STAT_FN(st_l1hit)
 577 STAT_FN(st_l1miss)
 578 STAT_FN(ld_fbhit)
 579 STAT_FN(ld_l1hit)
 580 STAT_FN(ld_l2hit)
 581 STAT_FN(ld_llchit)
 582 STAT_FN(rmt_hit)
 583
 584 static uint64_t llc_miss(struct c2c_stats *stats)
 585 {
 586         uint64_t llcmiss;
 587
 588         llcmiss = stats->lcl_dram +
 589                   stats->rmt_dram +
 590                   stats->rmt_hitm +
 591                   stats->rmt_hit;
 592
 593         return llcmiss;
 594 }
 595
 596 static int
 597 ld_llcmiss_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 598                  struct hist_entry *he)
 599 {
 600         struct c2c_hist_entry *c2c_he;
 601         int width = c2c_width(fmt, hpp, he->hists);
 602
 603         c2c_he = container_of(he, struct c2c_hist_entry, he);
 604
 605         return scnprintf(hpp->buf, hpp->size, "%*lu", width,
 606                          llc_miss(&c2c_he->stats));
 607 }
 608
 609 static int64_t
 610 ld_llcmiss_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 611                struct hist_entry *left, struct hist_entry *right)
 612 {
 613         struct c2c_hist_entry *c2c_left;
 614         struct c2c_hist_entry *c2c_right;
 615
 616         c2c_left  = container_of(left, struct c2c_hist_entry, he);
 617         c2c_right = container_of(right, struct c2c_hist_entry, he);
 618
 619         return (uint64_t) llc_miss(&c2c_left->stats) -
 620                (uint64_t) llc_miss(&c2c_right->stats);
 621 }
 622
 623 static uint64_t total_records(struct c2c_stats *stats)
 624 {
 625         uint64_t lclmiss, ldcnt, total;
 626
 627         lclmiss  = stats->lcl_dram +
 628                    stats->rmt_dram +
 629                    stats->rmt_hitm +
 630                    stats->rmt_hit;
 631
 632         ldcnt    = lclmiss +
 633                    stats->ld_fbhit +
 634                    stats->ld_l1hit +
 635                    stats->ld_l2hit +
 636                    stats->ld_llchit +
 637                    stats->lcl_hitm;
 638
 639         total    = ldcnt +
 640                    stats->st_l1hit +
 641                    stats->st_l1miss;
 642
 643         return total;
 644 }
 645
 646 static int
 647 tot_recs_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 648                 struct hist_entry *he)
 649 {
 650         struct c2c_hist_entry *c2c_he;
 651         int width = c2c_width(fmt, hpp, he->hists);
 652         uint64_t tot_recs;
 653
 654         c2c_he = container_of(he, struct c2c_hist_entry, he);
 655         tot_recs = total_records(&c2c_he->stats);
 656
 657         return scnprintf(hpp->buf, hpp->size, "%*" PRIu64, width, tot_recs);
 658 }
 659
 660 static int64_t
 661 tot_recs_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 662              struct hist_entry *left, struct hist_entry *right)
 663 {
 664         struct c2c_hist_entry *c2c_left;
 665         struct c2c_hist_entry *c2c_right;
 666         uint64_t tot_recs_left;
 667         uint64_t tot_recs_right;
 668
 669         c2c_left  = container_of(left, struct c2c_hist_entry, he);
 670         c2c_right = container_of(right, struct c2c_hist_entry, he);
 671
 672         tot_recs_left  = total_records(&c2c_left->stats);
 673         tot_recs_right = total_records(&c2c_right->stats);
 674
 675         return tot_recs_left - tot_recs_right;
 676 }
 677
 678 static uint64_t total_loads(struct c2c_stats *stats)
 679 {
 680         uint64_t lclmiss, ldcnt;
 681
 682         lclmiss  = stats->lcl_dram +
 683                    stats->rmt_dram +
 684                    stats->rmt_hitm +
 685                    stats->rmt_hit;
 686
 687         ldcnt    = lclmiss +
 688                    stats->ld_fbhit +
 689                    stats->ld_l1hit +
 690                    stats->ld_l2hit +
 691                    stats->ld_llchit +
 692                    stats->lcl_hitm;
 693
 694         return ldcnt;
 695 }
 696
 697 static int
 698 tot_loads_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 699                 struct hist_entry *he)
 700 {
 701         struct c2c_hist_entry *c2c_he;
 702         int width = c2c_width(fmt, hpp, he->hists);
 703         uint64_t tot_recs;
 704
 705         c2c_he = container_of(he, struct c2c_hist_entry, he);
 706         tot_recs = total_loads(&c2c_he->stats);
 707
 708         return scnprintf(hpp->buf, hpp->size, "%*" PRIu64, width, tot_recs);
 709 }
 710
 711 static int64_t
 712 tot_loads_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 713               struct hist_entry *left, struct hist_entry *right)
 714 {
 715         struct c2c_hist_entry *c2c_left;
 716         struct c2c_hist_entry *c2c_right;
 717         uint64_t tot_recs_left;
 718         uint64_t tot_recs_right;
 719
 720         c2c_left  = container_of(left, struct c2c_hist_entry, he);
 721         c2c_right = container_of(right, struct c2c_hist_entry, he);
 722
 723         tot_recs_left  = total_loads(&c2c_left->stats);
 724         tot_recs_right = total_loads(&c2c_right->stats);
 725
 726         return tot_recs_left - tot_recs_right;
 727 }
 728
 729 typedef double (get_percent_cb)(struct c2c_hist_entry *);
 730
 731 static int
 732 percent_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 733               struct hist_entry *he, get_percent_cb get_percent)
 734 {
 735         struct c2c_hist_entry *c2c_he;
 736         int width = c2c_width(fmt, hpp, he->hists);
 737         double per;
 738
 739         c2c_he = container_of(he, struct c2c_hist_entry, he);
 740         per = get_percent(c2c_he);
 741
 742 #ifdef HAVE_SLANG_SUPPORT
 743         if (use_browser)
 744                 return __hpp__slsmg_color_printf(hpp, "%*.2f%%", width - 1, per);
 745 #endif
 746         return hpp_color_scnprintf(hpp, "%*.2f%%", width - 1, per);
 747 }
 748
 749 static double percent_hitm(struct c2c_hist_entry *c2c_he)
 750 {
 751         struct c2c_hists *hists;
 752         struct c2c_stats *stats;
 753         struct c2c_stats *total;
 754         int tot = 0, st = 0;
 755         double p;
 756
 757         hists = container_of(c2c_he->he.hists, struct c2c_hists, hists);
 758         stats = &c2c_he->stats;
 759         total = &hists->stats;
 760
 761         switch (c2c.display) {
 762         case DISPLAY_RMT:
 763                 st  = stats->rmt_hitm;
 764                 tot = total->rmt_hitm;
 765                 break;
 766         case DISPLAY_LCL:
 767                 st  = stats->lcl_hitm;
 768                 tot = total->lcl_hitm;
 769                 break;
 770         case DISPLAY_TOT:
 771                 st  = stats->tot_hitm;
 772                 tot = total->tot_hitm;
 773         default:
 774                 break;
 775         }
 776
 777         p = tot ? (double) st / tot : 0;
 778
 779         return 100 * p;
 780 }
 781
 782 #define PERC_STR(__s, __v)                              \
 783 ({                                                      \
 784         scnprintf(__s, sizeof(__s), "%.2F%%", __v);     \
 785         __s;                                            \
 786 })
 787
 788 static int
 789 percent_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 790                    struct hist_entry *he)
 791 {
 792         struct c2c_hist_entry *c2c_he;
 793         int width = c2c_width(fmt, hpp, he->hists);
 794         char buf[10];
 795         double per;
 796
 797         c2c_he = container_of(he, struct c2c_hist_entry, he);
 798         per = percent_hitm(c2c_he);
 799         return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
 800 }
 801
 802 static int
 803 percent_hitm_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 804                    struct hist_entry *he)
 805 {
 806         return percent_color(fmt, hpp, he, percent_hitm);
 807 }
 808
 809 static int64_t
 810 percent_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 811                  struct hist_entry *left, struct hist_entry *right)
 812 {
 813         struct c2c_hist_entry *c2c_left;
 814         struct c2c_hist_entry *c2c_right;
 815         double per_left;
 816         double per_right;
 817
 818         c2c_left  = container_of(left, struct c2c_hist_entry, he);
 819         c2c_right = container_of(right, struct c2c_hist_entry, he);
 820
 821         per_left  = percent_hitm(c2c_left);
 822         per_right = percent_hitm(c2c_right);
 823
 824         return per_left - per_right;
 825 }
 826
 827 static struct c2c_stats *he_stats(struct hist_entry *he)
 828 {
 829         struct c2c_hist_entry *c2c_he;
 830
 831         c2c_he = container_of(he, struct c2c_hist_entry, he);
 832         return &c2c_he->stats;
 833 }
 834
 835 static struct c2c_stats *total_stats(struct hist_entry *he)
 836 {
 837         struct c2c_hists *hists;
 838
 839         hists = container_of(he->hists, struct c2c_hists, hists);
 840         return &hists->stats;
 841 }
 842
 843 static double percent(int st, int tot)
 844 {
 845         return tot ? 100. * (double) st / (double) tot : 0;
 846 }
 847
 848 #define PERCENT(__h, __f) percent(he_stats(__h)->__f, total_stats(__h)->__f)
 849
 850 #define PERCENT_FN(__f)                                                         \
 851 static double percent_ ## __f(struct c2c_hist_entry *c2c_he)                    \
 852 {                                                                               \
 853         struct c2c_hists *hists;                                                \
 854                                                                                 \
 855         hists = container_of(c2c_he->he.hists, struct c2c_hists, hists);        \
 856         return percent(c2c_he->stats.__f, hists->stats.__f);                    \
 857 }
 858
 859 PERCENT_FN(rmt_hitm)
 860 PERCENT_FN(lcl_hitm)
 861 PERCENT_FN(st_l1hit)
 862 PERCENT_FN(st_l1miss)
 863
 864 static int
 865 percent_rmt_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 866                        struct hist_entry *he)
 867 {
 868         int width = c2c_width(fmt, hpp, he->hists);
 869         double per = PERCENT(he, rmt_hitm);
 870         char buf[10];
 871
 872         return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
 873 }
 874
 875 static int
 876 percent_rmt_hitm_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 877                        struct hist_entry *he)
 878 {
 879         return percent_color(fmt, hpp, he, percent_rmt_hitm);
 880 }
 881
 882 static int64_t
 883 percent_rmt_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 884                      struct hist_entry *left, struct hist_entry *right)
 885 {
 886         double per_left;
 887         double per_right;
 888
 889         per_left  = PERCENT(left, lcl_hitm);
 890         per_right = PERCENT(right, lcl_hitm);
 891
 892         return per_left - per_right;
 893 }
 894
 895 static int
 896 percent_lcl_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 897                        struct hist_entry *he)
 898 {
 899         int width = c2c_width(fmt, hpp, he->hists);
 900         double per = PERCENT(he, lcl_hitm);
 901         char buf[10];
 902
 903         return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
 904 }
 905
 906 static int
 907 percent_lcl_hitm_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 908                        struct hist_entry *he)
 909 {
 910         return percent_color(fmt, hpp, he, percent_lcl_hitm);
 911 }
 912
 913 static int64_t
 914 percent_lcl_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 915                      struct hist_entry *left, struct hist_entry *right)
 916 {
 917         double per_left;
 918         double per_right;
 919
 920         per_left  = PERCENT(left, lcl_hitm);
 921         per_right = PERCENT(right, lcl_hitm);
 922
 923         return per_left - per_right;
 924 }
 925
 926 static int
 927 percent_stores_l1hit_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, st_l1hit);
 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_stores_l1hit_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 939                            struct hist_entry *he)
 940 {
 941         return percent_color(fmt, hpp, he, percent_st_l1hit);
 942 }
 943
 944 static int64_t
 945 percent_stores_l1hit_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, st_l1hit);
 952         per_right = PERCENT(right, st_l1hit);
 953
 954         return per_left - per_right;
 955 }
 956
 957 static int
 958 percent_stores_l1miss_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, st_l1miss);
 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_stores_l1miss_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 970                             struct hist_entry *he)
 971 {
 972         return percent_color(fmt, hpp, he, percent_st_l1miss);
 973 }
 974
 975 static int64_t
 976 percent_stores_l1miss_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, st_l1miss);
 983         per_right = PERCENT(right, st_l1miss);
 984
 985         return per_left - per_right;
 986 }
 987
 988 STAT_FN(lcl_dram)
 989 STAT_FN(rmt_dram)
 990
 991 static int
 992 pid_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 993           struct hist_entry *he)
 994 {
 995         int width = c2c_width(fmt, hpp, he->hists);
 996
 997         return scnprintf(hpp->buf, hpp->size, "%*d", width, he->thread->pid_);
 998 }
 999
1000 static int64_t
1001 pid_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
1002         struct hist_entry *left, struct hist_entry *right)
1003 {
1004         return left->thread->pid_ - right->thread->pid_;
1005 }
1006
1007 static int64_t
1008 empty_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
1009           struct hist_entry *left __maybe_unused,
1010           struct hist_entry *right __maybe_unused)
1011 {
1012         return 0;
1013 }
1014
1015 static int
1016 node_entry(struct perf_hpp_fmt *fmt __maybe_unused, struct perf_hpp *hpp,
1017            struct hist_entry *he)
1018 {
1019         struct c2c_hist_entry *c2c_he;
1020         bool first = true;
1021         int node;
1022         int ret = 0;
1023
1024         c2c_he = container_of(he, struct c2c_hist_entry, he);
1025
1026         for (node = 0; node < c2c.nodes_cnt; node++) {
1027                 DECLARE_BITMAP(set, c2c.cpus_cnt);
1028
1029                 bitmap_zero(set, c2c.cpus_cnt);
1030                 bitmap_and(set, c2c_he->cpuset, c2c.nodes[node], c2c.cpus_cnt);
1031
1032                 if (!bitmap_weight(set, c2c.cpus_cnt)) {
1033                         if (c2c.node_info == 1) {
1034                                 ret = scnprintf(hpp->buf, hpp->size, "%21s", " ");
1035                                 advance_hpp(hpp, ret);
1036                         }
1037                         continue;
1038                 }
1039
1040                 if (!first) {
1041                         ret = scnprintf(hpp->buf, hpp->size, " ");
1042                         advance_hpp(hpp, ret);
1043                 }
1044
1045                 switch (c2c.node_info) {
1046                 case 0:
1047                         ret = scnprintf(hpp->buf, hpp->size, "%2d", node);
1048                         advance_hpp(hpp, ret);
1049                         break;
1050                 case 1:
1051                 {
1052                         int num = bitmap_weight(c2c_he->cpuset, c2c.cpus_cnt);
1053                         struct c2c_stats *stats = &c2c_he->node_stats[node];
1054
1055                         ret = scnprintf(hpp->buf, hpp->size, "%2d{%2d ", node, num);
1056                         advance_hpp(hpp, ret);
1057
1058                 #define DISPLAY_HITM(__h)                                               \
1059                         if (c2c_he->stats.__h> 0) {                                     \
1060                                 ret = scnprintf(hpp->buf, hpp->size, "%5.1f%% ",        \
1061                                                 percent(stats->__h, c2c_he->stats.__h));\
1062                         } else {                                                        \
1063                                 ret = scnprintf(hpp->buf, hpp->size, "%6s ", "n/a");    \
1064                         }
1065
1066                         switch (c2c.display) {
1067                         case DISPLAY_RMT:
1068                                 DISPLAY_HITM(rmt_hitm);
1069                                 break;
1070                         case DISPLAY_LCL:
1071                                 DISPLAY_HITM(lcl_hitm);
1072                                 break;
1073                         case DISPLAY_TOT:
1074                                 DISPLAY_HITM(tot_hitm);
1075                         default:
1076                                 break;
1077                         }
1078
1079                 #undef DISPLAY_HITM
1080
1081                         advance_hpp(hpp, ret);
1082
1083                         if (c2c_he->stats.store > 0) {
1084                                 ret = scnprintf(hpp->buf, hpp->size, "%5.1f%%}",
1085                                                 percent(stats->store, c2c_he->stats.store));
1086                         } else {
1087                                 ret = scnprintf(hpp->buf, hpp->size, "%6s}", "n/a");
1088                         }
1089
1090                         advance_hpp(hpp, ret);
1091                         break;
1092                 }
1093                 case 2:
1094                         ret = scnprintf(hpp->buf, hpp->size, "%2d{", node);
1095                         advance_hpp(hpp, ret);
1096
1097                         ret = bitmap_scnprintf(set, c2c.cpus_cnt, hpp->buf, hpp->size);
1098                         advance_hpp(hpp, ret);
1099
1100                         ret = scnprintf(hpp->buf, hpp->size, "}");
1101                         advance_hpp(hpp, ret);
1102                         break;
1103                 default:
1104                         break;
1105                 }
1106
1107                 first = false;
1108         }
1109
1110         return 0;
1111 }
1112
1113 static int
1114 mean_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1115            struct hist_entry *he, double mean)
1116 {
1117         int width = c2c_width(fmt, hpp, he->hists);
1118         char buf[10];
1119
1120         scnprintf(buf, 10, "%6.0f", mean);
1121         return scnprintf(hpp->buf, hpp->size, "%*s", width, buf);
1122 }
1123
1124 #define MEAN_ENTRY(__func, __val)                                               \
1125 static int                                                                      \
1126 __func(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, struct hist_entry *he)   \
1127 {                                                                               \
1128         struct c2c_hist_entry *c2c_he;                                          \
1129         c2c_he = container_of(he, struct c2c_hist_entry, he);                   \
1130         return mean_entry(fmt, hpp, he, avg_stats(&c2c_he->cstats.__val));      \
1131 }
1132
1133 MEAN_ENTRY(mean_rmt_entry,  rmt_hitm);
1134 MEAN_ENTRY(mean_lcl_entry,  lcl_hitm);
1135 MEAN_ENTRY(mean_load_entry, load);
1136
1137 static int
1138 cpucnt_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1139              struct hist_entry *he)
1140 {
1141         struct c2c_hist_entry *c2c_he;
1142         int width = c2c_width(fmt, hpp, he->hists);
1143         char buf[10];
1144
1145         c2c_he = container_of(he, struct c2c_hist_entry, he);
1146
1147         scnprintf(buf, 10, "%d", bitmap_weight(c2c_he->cpuset, c2c.cpus_cnt));
1148         return scnprintf(hpp->buf, hpp->size, "%*s", width, buf);
1149 }
1150
1151 static int
1152 cl_idx_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1153              struct hist_entry *he)
1154 {
1155         struct c2c_hist_entry *c2c_he;
1156         int width = c2c_width(fmt, hpp, he->hists);
1157         char buf[10];
1158
1159         c2c_he = container_of(he, struct c2c_hist_entry, he);
1160
1161         scnprintf(buf, 10, "%u", c2c_he->cacheline_idx);
1162         return scnprintf(hpp->buf, hpp->size, "%*s", width, buf);
1163 }
1164
1165 static int
1166 cl_idx_empty_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1167                    struct hist_entry *he)
1168 {
1169         int width = c2c_width(fmt, hpp, he->hists);
1170
1171         return scnprintf(hpp->buf, hpp->size, "%*s", width, "");
1172 }
1173
1174 #define HEADER_LOW(__h)                 \
1175         {                               \
1176                 .line[1] = {            \
1177                         .text = __h,    \
1178                 },                      \
1179         }
1180
1181 #define HEADER_BOTH(__h0, __h1)         \
1182         {                               \
1183                 .line[0] = {            \
1184                         .text = __h0,   \
1185                 },                      \
1186                 .line[1] = {            \
1187                         .text = __h1,   \
1188                 },                      \
1189         }
1190
1191 #define HEADER_SPAN(__h0, __h1, __s)    \
1192         {                               \
1193                 .line[0] = {            \
1194                         .text = __h0,   \
1195                         .span = __s,    \
1196                 },                      \
1197                 .line[1] = {            \
1198                         .text = __h1,   \
1199                 },                      \
1200         }
1201
1202 #define HEADER_SPAN_LOW(__h)            \
1203         {                               \
1204                 .line[1] = {            \
1205                         .text = __h,    \
1206                 },                      \
1207         }
1208
1209 static struct c2c_dimension dim_dcacheline = {
1210         .header         = HEADER_LOW("Cacheline"),
1211         .name           = "dcacheline",
1212         .cmp            = dcacheline_cmp,
1213         .entry          = dcacheline_entry,
1214         .width          = 18,
1215 };
1216
1217 static struct c2c_header header_offset_tui = HEADER_LOW("Off");
1218
1219 static struct c2c_dimension dim_offset = {
1220         .header         = HEADER_BOTH("Data address", "Offset"),
1221         .name           = "offset",
1222         .cmp            = offset_cmp,
1223         .entry          = offset_entry,
1224         .width          = 18,
1225 };
1226
1227 static struct c2c_dimension dim_iaddr = {
1228         .header         = HEADER_LOW("Code address"),
1229         .name           = "iaddr",
1230         .cmp            = iaddr_cmp,
1231         .entry          = iaddr_entry,
1232         .width          = 18,
1233 };
1234
1235 static struct c2c_dimension dim_tot_hitm = {
1236         .header         = HEADER_SPAN("----- LLC Load Hitm -----", "Total", 2),
1237         .name           = "tot_hitm",
1238         .cmp            = tot_hitm_cmp,
1239         .entry          = tot_hitm_entry,
1240         .width          = 7,
1241 };
1242
1243 static struct c2c_dimension dim_lcl_hitm = {
1244         .header         = HEADER_SPAN_LOW("Lcl"),
1245         .name           = "lcl_hitm",
1246         .cmp            = lcl_hitm_cmp,
1247         .entry          = lcl_hitm_entry,
1248         .width          = 7,
1249 };
1250
1251 static struct c2c_dimension dim_rmt_hitm = {
1252         .header         = HEADER_SPAN_LOW("Rmt"),
1253         .name           = "rmt_hitm",
1254         .cmp            = rmt_hitm_cmp,
1255         .entry          = rmt_hitm_entry,
1256         .width          = 7,
1257 };
1258
1259 static struct c2c_dimension dim_cl_rmt_hitm = {
1260         .header         = HEADER_SPAN("----- HITM -----", "Rmt", 1),
1261         .name           = "cl_rmt_hitm",
1262         .cmp            = rmt_hitm_cmp,
1263         .entry          = rmt_hitm_entry,
1264         .width          = 7,
1265 };
1266
1267 static struct c2c_dimension dim_cl_lcl_hitm = {
1268         .header         = HEADER_SPAN_LOW("Lcl"),
1269         .name           = "cl_lcl_hitm",
1270         .cmp            = lcl_hitm_cmp,
1271         .entry          = lcl_hitm_entry,
1272         .width          = 7,
1273 };
1274
1275 static struct c2c_dimension dim_stores = {
1276         .header         = HEADER_SPAN("---- Store Reference ----", "Total", 2),
1277         .name           = "stores",
1278         .cmp            = store_cmp,
1279         .entry          = store_entry,
1280         .width          = 7,
1281 };
1282
1283 static struct c2c_dimension dim_stores_l1hit = {
1284         .header         = HEADER_SPAN_LOW("L1Hit"),
1285         .name           = "stores_l1hit",
1286         .cmp            = st_l1hit_cmp,
1287         .entry          = st_l1hit_entry,
1288         .width          = 7,
1289 };
1290
1291 static struct c2c_dimension dim_stores_l1miss = {
1292         .header         = HEADER_SPAN_LOW("L1Miss"),
1293         .name           = "stores_l1miss",
1294         .cmp            = st_l1miss_cmp,
1295         .entry          = st_l1miss_entry,
1296         .width          = 7,
1297 };
1298
1299 static struct c2c_dimension dim_cl_stores_l1hit = {
1300         .header         = HEADER_SPAN("-- Store Refs --", "L1 Hit", 1),
1301         .name           = "cl_stores_l1hit",
1302         .cmp            = st_l1hit_cmp,
1303         .entry          = st_l1hit_entry,
1304         .width          = 7,
1305 };
1306
1307 static struct c2c_dimension dim_cl_stores_l1miss = {
1308         .header         = HEADER_SPAN_LOW("L1 Miss"),
1309         .name           = "cl_stores_l1miss",
1310         .cmp            = st_l1miss_cmp,
1311         .entry          = st_l1miss_entry,
1312         .width          = 7,
1313 };
1314
1315 static struct c2c_dimension dim_ld_fbhit = {
1316         .header         = HEADER_SPAN("----- Core Load Hit -----", "FB", 2),
1317         .name           = "ld_fbhit",
1318         .cmp            = ld_fbhit_cmp,
1319         .entry          = ld_fbhit_entry,
1320         .width          = 7,
1321 };
1322
1323 static struct c2c_dimension dim_ld_l1hit = {
1324         .header         = HEADER_SPAN_LOW("L1"),
1325         .name           = "ld_l1hit",
1326         .cmp            = ld_l1hit_cmp,
1327         .entry          = ld_l1hit_entry,
1328         .width          = 7,
1329 };
1330
1331 static struct c2c_dimension dim_ld_l2hit = {
1332         .header         = HEADER_SPAN_LOW("L2"),
1333         .name           = "ld_l2hit",
1334         .cmp            = ld_l2hit_cmp,
1335         .entry          = ld_l2hit_entry,
1336         .width          = 7,
1337 };
1338
1339 static struct c2c_dimension dim_ld_llchit = {
1340         .header         = HEADER_SPAN("-- LLC Load Hit --", "Llc", 1),
1341         .name           = "ld_lclhit",
1342         .cmp            = ld_llchit_cmp,
1343         .entry          = ld_llchit_entry,
1344         .width          = 8,
1345 };
1346
1347 static struct c2c_dimension dim_ld_rmthit = {
1348         .header         = HEADER_SPAN_LOW("Rmt"),
1349         .name           = "ld_rmthit",
1350         .cmp            = rmt_hit_cmp,
1351         .entry          = rmt_hit_entry,
1352         .width          = 8,
1353 };
1354
1355 static struct c2c_dimension dim_ld_llcmiss = {
1356         .header         = HEADER_BOTH("LLC", "Ld Miss"),
1357         .name           = "ld_llcmiss",
1358         .cmp            = ld_llcmiss_cmp,
1359         .entry          = ld_llcmiss_entry,
1360         .width          = 7,
1361 };
1362
1363 static struct c2c_dimension dim_tot_recs = {
1364         .header         = HEADER_BOTH("Total", "records"),
1365         .name           = "tot_recs",
1366         .cmp            = tot_recs_cmp,
1367         .entry          = tot_recs_entry,
1368         .width          = 7,
1369 };
1370
1371 static struct c2c_dimension dim_tot_loads = {
1372         .header         = HEADER_BOTH("Total", "Loads"),
1373         .name           = "tot_loads",
1374         .cmp            = tot_loads_cmp,
1375         .entry          = tot_loads_entry,
1376         .width          = 7,
1377 };
1378
1379 static struct c2c_header percent_hitm_header[] = {
1380         [DISPLAY_LCL] = HEADER_BOTH("Lcl", "Hitm"),
1381         [DISPLAY_RMT] = HEADER_BOTH("Rmt", "Hitm"),
1382         [DISPLAY_TOT] = HEADER_BOTH("Tot", "Hitm"),
1383 };
1384
1385 static struct c2c_dimension dim_percent_hitm = {
1386         .name           = "percent_hitm",
1387         .cmp            = percent_hitm_cmp,
1388         .entry          = percent_hitm_entry,
1389         .color          = percent_hitm_color,
1390         .width          = 7,
1391 };
1392
1393 static struct c2c_dimension dim_percent_rmt_hitm = {
1394         .header         = HEADER_SPAN("----- HITM -----", "Rmt", 1),
1395         .name           = "percent_rmt_hitm",
1396         .cmp            = percent_rmt_hitm_cmp,
1397         .entry          = percent_rmt_hitm_entry,
1398         .color          = percent_rmt_hitm_color,
1399         .width          = 7,
1400 };
1401
1402 static struct c2c_dimension dim_percent_lcl_hitm = {
1403         .header         = HEADER_SPAN_LOW("Lcl"),
1404         .name           = "percent_lcl_hitm",
1405         .cmp            = percent_lcl_hitm_cmp,
1406         .entry          = percent_lcl_hitm_entry,
1407         .color          = percent_lcl_hitm_color,
1408         .width          = 7,
1409 };
1410
1411 static struct c2c_dimension dim_percent_stores_l1hit = {
1412         .header         = HEADER_SPAN("-- Store Refs --", "L1 Hit", 1),
1413         .name           = "percent_stores_l1hit",
1414         .cmp            = percent_stores_l1hit_cmp,
1415         .entry          = percent_stores_l1hit_entry,
1416         .color          = percent_stores_l1hit_color,
1417         .width          = 7,
1418 };
1419
1420 static struct c2c_dimension dim_percent_stores_l1miss = {
1421         .header         = HEADER_SPAN_LOW("L1 Miss"),
1422         .name           = "percent_stores_l1miss",
1423         .cmp            = percent_stores_l1miss_cmp,
1424         .entry          = percent_stores_l1miss_entry,
1425         .color          = percent_stores_l1miss_color,
1426         .width          = 7,
1427 };
1428
1429 static struct c2c_dimension dim_dram_lcl = {
1430         .header         = HEADER_SPAN("--- Load Dram ----", "Lcl", 1),
1431         .name           = "dram_lcl",
1432         .cmp            = lcl_dram_cmp,
1433         .entry          = lcl_dram_entry,
1434         .width          = 8,
1435 };
1436
1437 static struct c2c_dimension dim_dram_rmt = {
1438         .header         = HEADER_SPAN_LOW("Rmt"),
1439         .name           = "dram_rmt",
1440         .cmp            = rmt_dram_cmp,
1441         .entry          = rmt_dram_entry,
1442         .width          = 8,
1443 };
1444
1445 static struct c2c_dimension dim_pid = {
1446         .header         = HEADER_LOW("Pid"),
1447         .name           = "pid",
1448         .cmp            = pid_cmp,
1449         .entry          = pid_entry,
1450         .width          = 7,
1451 };
1452
1453 static struct c2c_dimension dim_tid = {
1454         .header         = HEADER_LOW("Tid"),
1455         .name           = "tid",
1456         .se             = &sort_thread,
1457 };
1458
1459 static struct c2c_dimension dim_symbol = {
1460         .name           = "symbol",
1461         .se             = &sort_sym,
1462 };
1463
1464 static struct c2c_dimension dim_dso = {
1465         .header         = HEADER_BOTH("Shared", "Object"),
1466         .name           = "dso",
1467         .se             = &sort_dso,
1468 };
1469
1470 static struct c2c_header header_node[3] = {
1471         HEADER_LOW("Node"),
1472         HEADER_LOW("Node{cpus %hitms %stores}"),
1473         HEADER_LOW("Node{cpu list}"),
1474 };
1475
1476 static struct c2c_dimension dim_node = {
1477         .name           = "node",
1478         .cmp            = empty_cmp,
1479         .entry          = node_entry,
1480         .width          = 4,
1481 };
1482
1483 static struct c2c_dimension dim_mean_rmt = {
1484         .header         = HEADER_SPAN("---------- cycles ----------", "rmt hitm", 2),
1485         .name           = "mean_rmt",
1486         .cmp            = empty_cmp,
1487         .entry          = mean_rmt_entry,
1488         .width          = 8,
1489 };
1490
1491 static struct c2c_dimension dim_mean_lcl = {
1492         .header         = HEADER_SPAN_LOW("lcl hitm"),
1493         .name           = "mean_lcl",
1494         .cmp            = empty_cmp,
1495         .entry          = mean_lcl_entry,
1496         .width          = 8,
1497 };
1498
1499 static struct c2c_dimension dim_mean_load = {
1500         .header         = HEADER_SPAN_LOW("load"),
1501         .name           = "mean_load",
1502         .cmp            = empty_cmp,
1503         .entry          = mean_load_entry,
1504         .width          = 8,
1505 };
1506
1507 static struct c2c_dimension dim_cpucnt = {
1508         .header         = HEADER_BOTH("cpu", "cnt"),
1509         .name           = "cpucnt",
1510         .cmp            = empty_cmp,
1511         .entry          = cpucnt_entry,
1512         .width          = 8,
1513 };
1514
1515 static struct c2c_dimension dim_srcline = {
1516         .name           = "cl_srcline",
1517         .se             = &sort_srcline,
1518 };
1519
1520 static struct c2c_dimension dim_dcacheline_idx = {
1521         .header         = HEADER_LOW("Index"),
1522         .name           = "cl_idx",
1523         .cmp            = empty_cmp,
1524         .entry          = cl_idx_entry,
1525         .width          = 5,
1526 };
1527
1528 static struct c2c_dimension dim_dcacheline_num = {
1529         .header         = HEADER_LOW("Num"),
1530         .name           = "cl_num",
1531         .cmp            = empty_cmp,
1532         .entry          = cl_idx_entry,
1533         .width          = 5,
1534 };
1535
1536 static struct c2c_dimension dim_dcacheline_num_empty = {
1537         .header         = HEADER_LOW("Num"),
1538         .name           = "cl_num_empty",
1539         .cmp            = empty_cmp,
1540         .entry          = cl_idx_empty_entry,
1541         .width          = 5,
1542 };
1543
1544 static struct c2c_dimension *dimensions[] = {
1545         &dim_dcacheline,
1546         &dim_offset,
1547         &dim_iaddr,
1548         &dim_tot_hitm,
1549         &dim_lcl_hitm,
1550         &dim_rmt_hitm,
1551         &dim_cl_lcl_hitm,
1552         &dim_cl_rmt_hitm,
1553         &dim_stores,
1554         &dim_stores_l1hit,
1555         &dim_stores_l1miss,
1556         &dim_cl_stores_l1hit,
1557         &dim_cl_stores_l1miss,
1558         &dim_ld_fbhit,
1559         &dim_ld_l1hit,
1560         &dim_ld_l2hit,
1561         &dim_ld_llchit,
1562         &dim_ld_rmthit,
1563         &dim_ld_llcmiss,
1564         &dim_tot_recs,
1565         &dim_tot_loads,
1566         &dim_percent_hitm,
1567         &dim_percent_rmt_hitm,
1568         &dim_percent_lcl_hitm,
1569         &dim_percent_stores_l1hit,
1570         &dim_percent_stores_l1miss,
1571         &dim_dram_lcl,
1572         &dim_dram_rmt,
1573         &dim_pid,
1574         &dim_tid,
1575         &dim_symbol,
1576         &dim_dso,
1577         &dim_node,
1578         &dim_mean_rmt,
1579         &dim_mean_lcl,
1580         &dim_mean_load,
1581         &dim_cpucnt,
1582         &dim_srcline,
1583         &dim_dcacheline_idx,
1584         &dim_dcacheline_num,
1585         &dim_dcacheline_num_empty,
1586         NULL,
1587 };
1588
1589 static void fmt_free(struct perf_hpp_fmt *fmt)
1590 {
1591         struct c2c_fmt *c2c_fmt;
1592
1593         c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
1594         free(c2c_fmt);
1595 }
1596
1597 static bool fmt_equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b)
1598 {
1599         struct c2c_fmt *c2c_a = container_of(a, struct c2c_fmt, fmt);
1600         struct c2c_fmt *c2c_b = container_of(b, struct c2c_fmt, fmt);
1601
1602         return c2c_a->dim == c2c_b->dim;
1603 }
1604
1605 static struct c2c_dimension *get_dimension(const char *name)
1606 {
1607         unsigned int i;
1608
1609         for (i = 0; dimensions[i]; i++) {
1610                 struct c2c_dimension *dim = dimensions[i];
1611
1612                 if (!strcmp(dim->name, name))
1613                         return dim;
1614         };
1615
1616         return NULL;
1617 }
1618
1619 static int c2c_se_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1620                         struct hist_entry *he)
1621 {
1622         struct c2c_fmt *c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
1623         struct c2c_dimension *dim = c2c_fmt->dim;
1624         size_t len = fmt->user_len;
1625
1626         if (!len) {
1627                 len = hists__col_len(he->hists, dim->se->se_width_idx);
1628
1629                 if (dim == &dim_symbol || dim == &dim_srcline)
1630                         len = symbol_width(he->hists, dim->se);
1631         }
1632
1633         return dim->se->se_snprintf(he, hpp->buf, hpp->size, len);
1634 }
1635
1636 static int64_t c2c_se_cmp(struct perf_hpp_fmt *fmt,
1637                           struct hist_entry *a, struct hist_entry *b)
1638 {
1639         struct c2c_fmt *c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
1640         struct c2c_dimension *dim = c2c_fmt->dim;
1641
1642         return dim->se->se_cmp(a, b);
1643 }
1644
1645 static int64_t c2c_se_collapse(struct perf_hpp_fmt *fmt,
1646                                struct hist_entry *a, struct hist_entry *b)
1647 {
1648         struct c2c_fmt *c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
1649         struct c2c_dimension *dim = c2c_fmt->dim;
1650         int64_t (*collapse_fn)(struct hist_entry *, struct hist_entry *);
1651
1652         collapse_fn = dim->se->se_collapse ?: dim->se->se_cmp;
1653         return collapse_fn(a, b);
1654 }
1655
1656 static struct c2c_fmt *get_format(const char *name)
1657 {
1658         struct c2c_dimension *dim = get_dimension(name);
1659         struct c2c_fmt *c2c_fmt;
1660         struct perf_hpp_fmt *fmt;
1661
1662         if (!dim)
1663                 return NULL;
1664
1665         c2c_fmt = zalloc(sizeof(*c2c_fmt));
1666         if (!c2c_fmt)
1667                 return NULL;
1668
1669         c2c_fmt->dim = dim;
1670
1671         fmt = &c2c_fmt->fmt;
1672         INIT_LIST_HEAD(&fmt->list);
1673         INIT_LIST_HEAD(&fmt->sort_list);
1674
1675         fmt->cmp        = dim->se ? c2c_se_cmp   : dim->cmp;
1676         fmt->sort       = dim->se ? c2c_se_cmp   : dim->cmp;
1677         fmt->color      = dim->se ? NULL         : dim->color;
1678         fmt->entry      = dim->se ? c2c_se_entry : dim->entry;
1679         fmt->header     = c2c_header;
1680         fmt->width      = c2c_width;
1681         fmt->collapse   = dim->se ? c2c_se_collapse : dim->cmp;
1682         fmt->equal      = fmt_equal;
1683         fmt->free       = fmt_free;
1684
1685         return c2c_fmt;
1686 }
1687
1688 static int c2c_hists__init_output(struct perf_hpp_list *hpp_list, char *name)
1689 {
1690         struct c2c_fmt *c2c_fmt = get_format(name);
1691
1692         if (!c2c_fmt) {
1693                 reset_dimensions();
1694                 return output_field_add(hpp_list, name);
1695         }
1696
1697         perf_hpp_list__column_register(hpp_list, &c2c_fmt->fmt);
1698         return 0;
1699 }
1700
1701 static int c2c_hists__init_sort(struct perf_hpp_list *hpp_list, char *name)
1702 {
1703         struct c2c_fmt *c2c_fmt = get_format(name);
1704         struct c2c_dimension *dim;
1705
1706         if (!c2c_fmt) {
1707                 reset_dimensions();
1708                 return sort_dimension__add(hpp_list, name, NULL, 0);
1709         }
1710
1711         dim = c2c_fmt->dim;
1712         if (dim == &dim_dso)
1713                 hpp_list->dso = 1;
1714
1715         perf_hpp_list__register_sort_field(hpp_list, &c2c_fmt->fmt);
1716         return 0;
1717 }
1718
1719 #define PARSE_LIST(_list, _fn)                                                  \
1720         do {                                                                    \
1721                 char *tmp, *tok;                                                \
1722                 ret = 0;                                                        \
1723                                                                                 \
1724                 if (!_list)                                                     \
1725                         break;                                                  \
1726                                                                                 \
1727                 for (tok = strtok_r((char *)_list, ", ", &tmp);                 \
1728                                 tok; tok = strtok_r(NULL, ", ", &tmp)) {        \
1729                         ret = _fn(hpp_list, tok);                               \
1730                         if (ret == -EINVAL) {                                   \
1731                                 pr_err("Invalid --fields key: `%s'", tok);      \
1732                                 break;                                          \
1733                         } else if (ret == -ESRCH) {                             \
1734                                 pr_err("Unknown --fields key: `%s'", tok);      \
1735                                 break;                                          \
1736                         }                                                       \
1737                 }                                                               \
1738         } while (0)
1739
1740 static int hpp_list__parse(struct perf_hpp_list *hpp_list,
1741                            const char *output_,
1742                            const char *sort_)
1743 {
1744         char *output = output_ ? strdup(output_) : NULL;
1745         char *sort   = sort_   ? strdup(sort_) : NULL;
1746         int ret;
1747
1748         PARSE_LIST(output, c2c_hists__init_output);
1749         PARSE_LIST(sort,   c2c_hists__init_sort);
1750
1751         /* copy sort keys to output fields */
1752         perf_hpp__setup_output_field(hpp_list);
1753
1754         /*
1755          * We dont need other sorting keys other than those
1756          * we already specified. It also really slows down
1757          * the processing a lot with big number of output
1758          * fields, so switching this off for c2c.
1759          */
1760
1761 #if 0
1762         /* and then copy output fields to sort keys */
1763         perf_hpp__append_sort_keys(&hists->list);
1764 #endif
1765
1766         free(output);
1767         free(sort);
1768         return ret;
1769 }
1770
1771 static int c2c_hists__init(struct c2c_hists *hists,
1772                            const char *sort,
1773                            int nr_header_lines)
1774 {
1775         __hists__init(&hists->hists, &hists->list);
1776
1777         /*
1778          * Initialize only with sort fields, we need to resort
1779          * later anyway, and that's where we add output fields
1780          * as well.
1781          */
1782         perf_hpp_list__init(&hists->list);
1783
1784         /* Overload number of header lines.*/
1785         hists->list.nr_header_lines = nr_header_lines;
1786
1787         return hpp_list__parse(&hists->list, NULL, sort);
1788 }
1789
1790 static int c2c_hists__reinit(struct c2c_hists *c2c_hists,
1791                              const char *output,
1792                              const char *sort)
1793 {
1794         perf_hpp__reset_output_field(&c2c_hists->list);
1795         return hpp_list__parse(&c2c_hists->list, output, sort);
1796 }
1797
1798 #define DISPLAY_LINE_LIMIT  0.0005
1799
1800 static bool he__display(struct hist_entry *he, struct c2c_stats *stats)
1801 {
1802         struct c2c_hist_entry *c2c_he;
1803         double ld_dist;
1804
1805         if (c2c.show_all)
1806                 return true;
1807
1808         c2c_he = container_of(he, struct c2c_hist_entry, he);
1809
1810 #define FILTER_HITM(__h)                                                \
1811         if (stats->__h) {                                               \
1812                 ld_dist = ((double)c2c_he->stats.__h / stats->__h);     \
1813                 if (ld_dist < DISPLAY_LINE_LIMIT)                       \
1814                         he->filtered = HIST_FILTER__C2C;                \
1815         } else {                                                        \
1816                 he->filtered = HIST_FILTER__C2C;                        \
1817         }
1818
1819         switch (c2c.display) {
1820         case DISPLAY_LCL:
1821                 FILTER_HITM(lcl_hitm);
1822                 break;
1823         case DISPLAY_RMT:
1824                 FILTER_HITM(rmt_hitm);
1825                 break;
1826         case DISPLAY_TOT:
1827                 FILTER_HITM(tot_hitm);
1828         default:
1829                 break;
1830         };
1831
1832 #undef FILTER_HITM
1833
1834         return he->filtered == 0;
1835 }
1836
1837 static inline int valid_hitm_or_store(struct hist_entry *he)
1838 {
1839         struct c2c_hist_entry *c2c_he;
1840         bool has_hitm;
1841
1842         c2c_he = container_of(he, struct c2c_hist_entry, he);
1843         has_hitm = c2c.display == DISPLAY_TOT ? c2c_he->stats.tot_hitm :
1844                    c2c.display == DISPLAY_LCL ? c2c_he->stats.lcl_hitm :
1845                                                 c2c_he->stats.rmt_hitm;
1846         return has_hitm || c2c_he->stats.store;
1847 }
1848
1849 static void calc_width(struct hist_entry *he)
1850 {
1851         struct c2c_hists *c2c_hists;
1852
1853         c2c_hists = container_of(he->hists, struct c2c_hists, hists);
1854         hists__calc_col_len(&c2c_hists->hists, he);
1855 }
1856
1857 static int filter_cb(struct hist_entry *he)
1858 {
1859         if (c2c.show_src && !he->srcline)
1860                 he->srcline = hist_entry__get_srcline(he);
1861
1862         calc_width(he);
1863
1864         if (!valid_hitm_or_store(he))
1865                 he->filtered = HIST_FILTER__C2C;
1866
1867         return 0;
1868 }
1869
1870 static int resort_cl_cb(struct hist_entry *he)
1871 {
1872         struct c2c_hist_entry *c2c_he;
1873         struct c2c_hists *c2c_hists;
1874         bool display = he__display(he, &c2c.hitm_stats);
1875
1876         c2c_he = container_of(he, struct c2c_hist_entry, he);
1877         c2c_hists = c2c_he->hists;
1878
1879         calc_width(he);
1880
1881         if (display && c2c_hists) {
1882                 static unsigned int idx;
1883
1884                 c2c_he->cacheline_idx = idx++;
1885
1886                 c2c_hists__reinit(c2c_hists, c2c.cl_output, c2c.cl_resort);
1887
1888                 hists__collapse_resort(&c2c_hists->hists, NULL);
1889                 hists__output_resort_cb(&c2c_hists->hists, NULL, filter_cb);
1890         }
1891
1892         return 0;
1893 }
1894
1895 static void setup_nodes_header(void)
1896 {
1897         dim_node.header = header_node[c2c.node_info];
1898 }
1899
1900 static int setup_nodes(struct perf_session *session)
1901 {
1902         struct numa_node *n;
1903         unsigned long **nodes;
1904         int node, cpu;
1905         int *cpu2node;
1906
1907         if (c2c.node_info > 2)
1908                 c2c.node_info = 2;
1909
1910         c2c.nodes_cnt = session->header.env.nr_numa_nodes;
1911         c2c.cpus_cnt  = session->header.env.nr_cpus_online;
1912
1913         n = session->header.env.numa_nodes;
1914         if (!n)
1915                 return -EINVAL;
1916
1917         nodes = zalloc(sizeof(unsigned long *) * c2c.nodes_cnt);
1918         if (!nodes)
1919                 return -ENOMEM;
1920
1921         c2c.nodes = nodes;
1922
1923         cpu2node = zalloc(sizeof(int) * c2c.cpus_cnt);
1924         if (!cpu2node)
1925                 return -ENOMEM;
1926
1927         for (cpu = 0; cpu < c2c.cpus_cnt; cpu++)
1928                 cpu2node[cpu] = -1;
1929
1930         c2c.cpu2node = cpu2node;
1931
1932         for (node = 0; node < c2c.nodes_cnt; node++) {
1933                 struct cpu_map *map = n[node].map;
1934                 unsigned long *set;
1935
1936                 set = bitmap_alloc(c2c.cpus_cnt);
1937                 if (!set)
1938                         return -ENOMEM;
1939
1940                 nodes[node] = set;
1941
1942                 /* empty node, skip */
1943                 if (cpu_map__empty(map))
1944                         continue;
1945
1946                 for (cpu = 0; cpu < map->nr; cpu++) {
1947                         set_bit(map->map[cpu], set);
1948
1949                         if (WARN_ONCE(cpu2node[map->map[cpu]] != -1, "node/cpu topology bug"))
1950                                 return -EINVAL;
1951
1952                         cpu2node[map->map[cpu]] = node;
1953                 }
1954         }
1955
1956         setup_nodes_header();
1957         return 0;
1958 }
1959
1960 #define HAS_HITMS(__h) ((__h)->stats.lcl_hitm || (__h)->stats.rmt_hitm)
1961
1962 static int resort_hitm_cb(struct hist_entry *he)
1963 {
1964         struct c2c_hist_entry *c2c_he;
1965         c2c_he = container_of(he, struct c2c_hist_entry, he);
1966
1967         if (HAS_HITMS(c2c_he)) {
1968                 c2c.shared_clines++;
1969                 c2c_add_stats(&c2c.hitm_stats, &c2c_he->stats);
1970         }
1971
1972         return 0;
1973 }
1974
1975 static int hists__iterate_cb(struct hists *hists, hists__resort_cb_t cb)
1976 {
1977         struct rb_node *next = rb_first(&hists->entries);
1978         int ret = 0;
1979
1980         while (next) {
1981                 struct hist_entry *he;
1982
1983                 he = rb_entry(next, struct hist_entry, rb_node);
1984                 ret = cb(he);
1985                 if (ret)
1986                         break;
1987                 next = rb_next(&he->rb_node);
1988         }
1989
1990         return ret;
1991 }
1992
1993 static void print_c2c__display_stats(FILE *out)
1994 {
1995         int llc_misses;
1996         struct c2c_stats *stats = &c2c.hists.stats;
1997
1998         llc_misses = stats->lcl_dram +
1999                      stats->rmt_dram +
2000                      stats->rmt_hit +
2001                      stats->rmt_hitm;
2002
2003         fprintf(out, "=================================================\n");
2004         fprintf(out, "            Trace Event Information              \n");
2005         fprintf(out, "=================================================\n");
2006         fprintf(out, "  Total records                     : %10d\n", stats->nr_entries);
2007         fprintf(out, "  Locked Load/Store Operations      : %10d\n", stats->locks);
2008         fprintf(out, "  Load Operations                   : %10d\n", stats->load);
2009         fprintf(out, "  Loads - uncacheable               : %10d\n", stats->ld_uncache);
2010         fprintf(out, "  Loads - IO                        : %10d\n", stats->ld_io);
2011         fprintf(out, "  Loads - Miss                      : %10d\n", stats->ld_miss);
2012         fprintf(out, "  Loads - no mapping                : %10d\n", stats->ld_noadrs);
2013         fprintf(out, "  Load Fill Buffer Hit              : %10d\n", stats->ld_fbhit);
2014         fprintf(out, "  Load L1D hit                      : %10d\n", stats->ld_l1hit);
2015         fprintf(out, "  Load L2D hit                      : %10d\n", stats->ld_l2hit);
2016         fprintf(out, "  Load LLC hit                      : %10d\n", stats->ld_llchit + stats->lcl_hitm);
2017         fprintf(out, "  Load Local HITM                   : %10d\n", stats->lcl_hitm);
2018         fprintf(out, "  Load Remote HITM                  : %10d\n", stats->rmt_hitm);
2019         fprintf(out, "  Load Remote HIT                   : %10d\n", stats->rmt_hit);
2020         fprintf(out, "  Load Local DRAM                   : %10d\n", stats->lcl_dram);
2021         fprintf(out, "  Load Remote DRAM                  : %10d\n", stats->rmt_dram);
2022         fprintf(out, "  Load MESI State Exclusive         : %10d\n", stats->ld_excl);
2023         fprintf(out, "  Load MESI State Shared            : %10d\n", stats->ld_shared);
2024         fprintf(out, "  Load LLC Misses                   : %10d\n", llc_misses);
2025         fprintf(out, "  LLC Misses to Local DRAM          : %10.1f%%\n", ((double)stats->lcl_dram/(double)llc_misses) * 100.);
2026         fprintf(out, "  LLC Misses to Remote DRAM         : %10.1f%%\n", ((double)stats->rmt_dram/(double)llc_misses) * 100.);
2027         fprintf(out, "  LLC Misses to Remote cache (HIT)  : %10.1f%%\n", ((double)stats->rmt_hit /(double)llc_misses) * 100.);
2028         fprintf(out, "  LLC Misses to Remote cache (HITM) : %10.1f%%\n", ((double)stats->rmt_hitm/(double)llc_misses) * 100.);
2029         fprintf(out, "  Store Operations                  : %10d\n", stats->store);
2030         fprintf(out, "  Store - uncacheable               : %10d\n", stats->st_uncache);
2031         fprintf(out, "  Store - no mapping                : %10d\n", stats->st_noadrs);
2032         fprintf(out, "  Store L1D Hit                     : %10d\n", stats->st_l1hit);
2033         fprintf(out, "  Store L1D Miss                    : %10d\n", stats->st_l1miss);
2034         fprintf(out, "  No Page Map Rejects               : %10d\n", stats->nomap);
2035         fprintf(out, "  Unable to parse data source       : %10d\n", stats->noparse);
2036 }
2037
2038 static void print_shared_cacheline_info(FILE *out)
2039 {
2040         struct c2c_stats *stats = &c2c.hitm_stats;
2041         int hitm_cnt = stats->lcl_hitm + stats->rmt_hitm;
2042
2043         fprintf(out, "=================================================\n");
2044         fprintf(out, "    Global Shared Cache Line Event Information   \n");
2045         fprintf(out, "=================================================\n");
2046         fprintf(out, "  Total Shared Cache Lines          : %10d\n", c2c.shared_clines);
2047         fprintf(out, "  Load HITs on shared lines         : %10d\n", stats->load);
2048         fprintf(out, "  Fill Buffer Hits on shared lines  : %10d\n", stats->ld_fbhit);
2049         fprintf(out, "  L1D hits on shared lines          : %10d\n", stats->ld_l1hit);
2050         fprintf(out, "  L2D hits on shared lines          : %10d\n", stats->ld_l2hit);
2051         fprintf(out, "  LLC hits on shared lines          : %10d\n", stats->ld_llchit + stats->lcl_hitm);
2052         fprintf(out, "  Locked Access on shared lines     : %10d\n", stats->locks);
2053         fprintf(out, "  Store HITs on shared lines        : %10d\n", stats->store);
2054         fprintf(out, "  Store L1D hits on shared lines    : %10d\n", stats->st_l1hit);
2055         fprintf(out, "  Total Merged records              : %10d\n", hitm_cnt + stats->store);
2056 }
2057
2058 static void print_cacheline(struct c2c_hists *c2c_hists,
2059                             struct hist_entry *he_cl,
2060                             struct perf_hpp_list *hpp_list,
2061                             FILE *out)
2062 {
2063         char bf[1000];
2064         struct perf_hpp hpp = {
2065                 .buf            = bf,
2066                 .size           = 1000,
2067         };
2068         static bool once;
2069
2070         if (!once) {
2071                 hists__fprintf_headers(&c2c_hists->hists, out);
2072                 once = true;
2073         } else {
2074                 fprintf(out, "\n");
2075         }
2076
2077         fprintf(out, "  -------------------------------------------------------------\n");
2078         __hist_entry__snprintf(he_cl, &hpp, hpp_list);
2079         fprintf(out, "%s\n", bf);
2080         fprintf(out, "  -------------------------------------------------------------\n");
2081
2082         hists__fprintf(&c2c_hists->hists, false, 0, 0, 0, out, true);
2083 }
2084
2085 static void print_pareto(FILE *out)
2086 {
2087         struct perf_hpp_list hpp_list;
2088         struct rb_node *nd;
2089         int ret;
2090
2091         perf_hpp_list__init(&hpp_list);
2092         ret = hpp_list__parse(&hpp_list,
2093                                 "cl_num,"
2094                                 "cl_rmt_hitm,"
2095                                 "cl_lcl_hitm,"
2096                                 "cl_stores_l1hit,"
2097                                 "cl_stores_l1miss,"
2098                                 "dcacheline",
2099                                 NULL);
2100
2101         if (WARN_ONCE(ret, "failed to setup sort entries\n"))
2102                 return;
2103
2104         nd = rb_first(&c2c.hists.hists.entries);
2105
2106         for (; nd; nd = rb_next(nd)) {
2107                 struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node);
2108                 struct c2c_hist_entry *c2c_he;
2109
2110                 if (he->filtered)
2111                         continue;
2112
2113                 c2c_he = container_of(he, struct c2c_hist_entry, he);
2114                 print_cacheline(c2c_he->hists, he, &hpp_list, out);
2115         }
2116 }
2117
2118 static void print_c2c_info(FILE *out, struct perf_session *session)
2119 {
2120         struct perf_evlist *evlist = session->evlist;
2121         struct perf_evsel *evsel;
2122         bool first = true;
2123
2124         fprintf(out, "=================================================\n");
2125         fprintf(out, "                 c2c details                     \n");
2126         fprintf(out, "=================================================\n");
2127
2128         evlist__for_each_entry(evlist, evsel) {
2129                 fprintf(out, "%-36s: %s\n", first ? "  Events" : "",
2130                         perf_evsel__name(evsel));
2131                 first = false;
2132         }
2133         fprintf(out, "  Cachelines sort on                : %s HITMs\n",
2134                 display_str[c2c.display]);
2135         fprintf(out, "  Cacheline data grouping           : %s\n", c2c.cl_sort);
2136 }
2137
2138 static void perf_c2c__hists_fprintf(FILE *out, struct perf_session *session)
2139 {
2140         setup_pager();
2141
2142         print_c2c__display_stats(out);
2143         fprintf(out, "\n");
2144         print_shared_cacheline_info(out);
2145         fprintf(out, "\n");
2146         print_c2c_info(out, session);
2147
2148         if (c2c.stats_only)
2149                 return;
2150
2151         fprintf(out, "\n");
2152         fprintf(out, "=================================================\n");
2153         fprintf(out, "           Shared Data Cache Line Table          \n");
2154         fprintf(out, "=================================================\n");
2155         fprintf(out, "#\n");
2156
2157         hists__fprintf(&c2c.hists.hists, true, 0, 0, 0, stdout, false);
2158
2159         fprintf(out, "\n");
2160         fprintf(out, "=================================================\n");
2161         fprintf(out, "      Shared Cache Line Distribution Pareto      \n");
2162         fprintf(out, "=================================================\n");
2163         fprintf(out, "#\n");
2164
2165         print_pareto(out);
2166 }
2167
2168 #ifdef HAVE_SLANG_SUPPORT
2169 static void c2c_browser__update_nr_entries(struct hist_browser *hb)
2170 {
2171         u64 nr_entries = 0;
2172         struct rb_node *nd = rb_first(&hb->hists->entries);
2173
2174         while (nd) {
2175                 struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node);
2176
2177                 if (!he->filtered)
2178                         nr_entries++;
2179
2180                 nd = rb_next(nd);
2181         }
2182
2183         hb->nr_non_filtered_entries = nr_entries;
2184 }
2185
2186 struct c2c_cacheline_browser {
2187         struct hist_browser      hb;
2188         struct hist_entry       *he;
2189 };
2190
2191 static int
2192 perf_c2c_cacheline_browser__title(struct hist_browser *browser,
2193                                   char *bf, size_t size)
2194 {
2195         struct c2c_cacheline_browser *cl_browser;
2196         struct hist_entry *he;
2197         uint64_t addr = 0;
2198
2199         cl_browser = container_of(browser, struct c2c_cacheline_browser, hb);
2200         he = cl_browser->he;
2201
2202         if (he->mem_info)
2203                 addr = cl_address(he->mem_info->daddr.addr);
2204
2205         scnprintf(bf, size, "Cacheline 0x%lx", addr);
2206         return 0;
2207 }
2208
2209 static struct c2c_cacheline_browser*
2210 c2c_cacheline_browser__new(struct hists *hists, struct hist_entry *he)
2211 {
2212         struct c2c_cacheline_browser *browser;
2213
2214         browser = zalloc(sizeof(*browser));
2215         if (browser) {
2216                 hist_browser__init(&browser->hb, hists);
2217                 browser->hb.c2c_filter  = true;
2218                 browser->hb.title       = perf_c2c_cacheline_browser__title;
2219                 browser->he             = he;
2220         }
2221
2222         return browser;
2223 }
2224
2225 static int perf_c2c__browse_cacheline(struct hist_entry *he)
2226 {
2227         struct c2c_hist_entry *c2c_he;
2228         struct c2c_hists *c2c_hists;
2229         struct c2c_cacheline_browser *cl_browser;
2230         struct hist_browser *browser;
2231         int key = -1;
2232         const char help[] =
2233         " ENTER         Togle callchains (if present) \n"
2234         " n             Togle Node details info \n"
2235         " s             Togle full lenght of symbol and source line columns \n"
2236         " q             Return back to cacheline list \n";
2237
2238         if (!he)
2239                 return 0;
2240
2241         /* Display compact version first. */
2242         c2c.symbol_full = false;
2243
2244         c2c_he = container_of(he, struct c2c_hist_entry, he);
2245         c2c_hists = c2c_he->hists;
2246
2247         cl_browser = c2c_cacheline_browser__new(&c2c_hists->hists, he);
2248         if (cl_browser == NULL)
2249                 return -1;
2250
2251         browser = &cl_browser->hb;
2252
2253         /* reset abort key so that it can get Ctrl-C as a key */
2254         SLang_reset_tty();
2255         SLang_init_tty(0, 0, 0);
2256
2257         c2c_browser__update_nr_entries(browser);
2258
2259         while (1) {
2260                 key = hist_browser__run(browser, "? - help");
2261
2262                 switch (key) {
2263                 case 's':
2264                         c2c.symbol_full = !c2c.symbol_full;
2265                         break;
2266                 case 'n':
2267                         c2c.node_info = (c2c.node_info + 1) % 3;
2268                         setup_nodes_header();
2269                         break;
2270                 case 'q':
2271                         goto out;
2272                 case '?':
2273                         ui_browser__help_window(&browser->b, help);
2274                         break;
2275                 default:
2276                         break;
2277                 }
2278         }
2279
2280 out:
2281         free(cl_browser);
2282         return 0;
2283 }
2284
2285 static int perf_c2c_browser__title(struct hist_browser *browser,
2286                                    char *bf, size_t size)
2287 {
2288         scnprintf(bf, size,
2289                   "Shared Data Cache Line Table     "
2290                   "(%lu entries, sorted on %s HITMs)",
2291                   browser->nr_non_filtered_entries,
2292                   display_str[c2c.display]);
2293         return 0;
2294 }
2295
2296 static struct hist_browser*
2297 perf_c2c_browser__new(struct hists *hists)
2298 {
2299         struct hist_browser *browser = hist_browser__new(hists);
2300
2301         if (browser) {
2302                 browser->title = perf_c2c_browser__title;
2303                 browser->c2c_filter = true;
2304         }
2305
2306         return browser;
2307 }
2308
2309 static int perf_c2c__hists_browse(struct hists *hists)
2310 {
2311         struct hist_browser *browser;
2312         int key = -1;
2313         const char help[] =
2314         " d             Display cacheline details \n"
2315         " ENTER         Togle callchains (if present) \n"
2316         " q             Quit \n";
2317
2318         browser = perf_c2c_browser__new(hists);
2319         if (browser == NULL)
2320                 return -1;
2321
2322         /* reset abort key so that it can get Ctrl-C as a key */
2323         SLang_reset_tty();
2324         SLang_init_tty(0, 0, 0);
2325
2326         c2c_browser__update_nr_entries(browser);
2327
2328         while (1) {
2329                 key = hist_browser__run(browser, "? - help");
2330
2331                 switch (key) {
2332                 case 'q':
2333                         goto out;
2334                 case 'd':
2335                         perf_c2c__browse_cacheline(browser->he_selection);
2336                         break;
2337                 case '?':
2338                         ui_browser__help_window(&browser->b, help);
2339                         break;
2340                 default:
2341                         break;
2342                 }
2343         }
2344
2345 out:
2346         hist_browser__delete(browser);
2347         return 0;
2348 }
2349
2350 static void perf_c2c_display(struct perf_session *session)
2351 {
2352         if (use_browser == 0)
2353                 perf_c2c__hists_fprintf(stdout, session);
2354         else
2355                 perf_c2c__hists_browse(&c2c.hists.hists);
2356 }
2357 #else
2358 static void perf_c2c_display(struct perf_session *session)
2359 {
2360         use_browser = 0;
2361         perf_c2c__hists_fprintf(stdout, session);
2362 }
2363 #endif /* HAVE_SLANG_SUPPORT */
2364
2365 static void ui_quirks(void)
2366 {
2367         if (!c2c.use_stdio) {
2368                 dim_offset.width  = 5;
2369                 dim_offset.header = header_offset_tui;
2370         }
2371
2372         dim_percent_hitm.header = percent_hitm_header[c2c.display];
2373 }
2374
2375 #define CALLCHAIN_DEFAULT_OPT  "graph,0.5,caller,function,percent"
2376
2377 const char callchain_help[] = "Display call graph (stack chain/backtrace):\n\n"
2378                                 CALLCHAIN_REPORT_HELP
2379                                 "\n\t\t\t\tDefault: " CALLCHAIN_DEFAULT_OPT;
2380
2381 static int
2382 parse_callchain_opt(const struct option *opt, const char *arg, int unset)
2383 {
2384         struct callchain_param *callchain = opt->value;
2385
2386         callchain->enabled = !unset;
2387         /*
2388          * --no-call-graph
2389          */
2390         if (unset) {
2391                 symbol_conf.use_callchain = false;
2392                 callchain->mode = CHAIN_NONE;
2393                 return 0;
2394         }
2395
2396         return parse_callchain_report_opt(arg);
2397 }
2398
2399 static int setup_callchain(struct perf_evlist *evlist)
2400 {
2401         u64 sample_type = perf_evlist__combined_sample_type(evlist);
2402         enum perf_call_graph_mode mode = CALLCHAIN_NONE;
2403
2404         if ((sample_type & PERF_SAMPLE_REGS_USER) &&
2405             (sample_type & PERF_SAMPLE_STACK_USER)) {
2406                 mode = CALLCHAIN_DWARF;
2407                 dwarf_callchain_users = true;
2408         } else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
2409                 mode = CALLCHAIN_LBR;
2410         else if (sample_type & PERF_SAMPLE_CALLCHAIN)
2411                 mode = CALLCHAIN_FP;
2412
2413         if (!callchain_param.enabled &&
2414             callchain_param.mode != CHAIN_NONE &&
2415             mode != CALLCHAIN_NONE) {
2416                 symbol_conf.use_callchain = true;
2417                 if (callchain_register_param(&callchain_param) < 0) {
2418                         ui__error("Can't register callchain params.\n");
2419                         return -EINVAL;
2420                 }
2421         }
2422
2423         callchain_param.record_mode = mode;
2424         callchain_param.min_percent = 0;
2425         return 0;
2426 }
2427
2428 static int setup_display(const char *str)
2429 {
2430         const char *display = str ?: "tot";
2431
2432         if (!strcmp(display, "tot"))
2433                 c2c.display = DISPLAY_TOT;
2434         else if (!strcmp(display, "rmt"))
2435                 c2c.display = DISPLAY_RMT;
2436         else if (!strcmp(display, "lcl"))
2437                 c2c.display = DISPLAY_LCL;
2438         else {
2439                 pr_err("failed: unknown display type: %s\n", str);
2440                 return -1;
2441         }
2442
2443         return 0;
2444 }
2445
2446 #define for_each_token(__tok, __buf, __sep, __tmp)              \
2447         for (__tok = strtok_r(__buf, __sep, &__tmp); __tok;     \
2448              __tok = strtok_r(NULL,  __sep, &__tmp))
2449
2450 static int build_cl_output(char *cl_sort, bool no_source)
2451 {
2452         char *tok, *tmp, *buf = strdup(cl_sort);
2453         bool add_pid   = false;
2454         bool add_tid   = false;
2455         bool add_iaddr = false;
2456         bool add_sym   = false;
2457         bool add_dso   = false;
2458         bool add_src   = false;
2459         int ret = 0;
2460
2461         if (!buf)
2462                 return -ENOMEM;
2463
2464         for_each_token(tok, buf, ",", tmp) {
2465                 if (!strcmp(tok, "tid")) {
2466                         add_tid = true;
2467                 } else if (!strcmp(tok, "pid")) {
2468                         add_pid = true;
2469                 } else if (!strcmp(tok, "iaddr")) {
2470                         add_iaddr = true;
2471                         add_sym   = true;
2472                         add_dso   = true;
2473                         add_src   = no_source ? false : true;
2474                 } else if (!strcmp(tok, "dso")) {
2475                         add_dso = true;
2476                 } else if (strcmp(tok, "offset")) {
2477                         pr_err("unrecognized sort token: %s\n", tok);
2478                         ret = -EINVAL;
2479                         goto err;
2480                 }
2481         }
2482
2483         if (asprintf(&c2c.cl_output,
2484                 "%s%s%s%s%s%s%s%s%s%s",
2485                 c2c.use_stdio ? "cl_num_empty," : "",
2486                 "percent_rmt_hitm,"
2487                 "percent_lcl_hitm,"
2488                 "percent_stores_l1hit,"
2489                 "percent_stores_l1miss,"
2490                 "offset,",
2491                 add_pid   ? "pid," : "",
2492                 add_tid   ? "tid," : "",
2493                 add_iaddr ? "iaddr," : "",
2494                 "mean_rmt,"
2495                 "mean_lcl,"
2496                 "mean_load,"
2497                 "tot_recs,"
2498                 "cpucnt,",
2499                 add_sym ? "symbol," : "",
2500                 add_dso ? "dso," : "",
2501                 add_src ? "cl_srcline," : "",
2502                 "node") < 0) {
2503                 ret = -ENOMEM;
2504                 goto err;
2505         }
2506
2507         c2c.show_src = add_src;
2508 err:
2509         free(buf);
2510         return ret;
2511 }
2512
2513 static int setup_coalesce(const char *coalesce, bool no_source)
2514 {
2515         const char *c = coalesce ?: coalesce_default;
2516
2517         if (asprintf(&c2c.cl_sort, "offset,%s", c) < 0)
2518                 return -ENOMEM;
2519
2520         if (build_cl_output(c2c.cl_sort, no_source))
2521                 return -1;
2522
2523         if (asprintf(&c2c.cl_resort, "offset,%s",
2524                      c2c.display == DISPLAY_TOT ?
2525                      "tot_hitm" :
2526                      c2c.display == DISPLAY_RMT ?
2527                      "rmt_hitm,lcl_hitm" :
2528                      "lcl_hitm,rmt_hitm") < 0)
2529                 return -ENOMEM;
2530
2531         pr_debug("coalesce sort   fields: %s\n", c2c.cl_sort);
2532         pr_debug("coalesce resort fields: %s\n", c2c.cl_resort);
2533         pr_debug("coalesce output fields: %s\n", c2c.cl_output);
2534         return 0;
2535 }
2536
2537 static int perf_c2c__report(int argc, const char **argv)
2538 {
2539         struct perf_session *session;
2540         struct ui_progress prog;
2541         struct perf_data_file file = {
2542                 .mode = PERF_DATA_MODE_READ,
2543         };
2544         char callchain_default_opt[] = CALLCHAIN_DEFAULT_OPT;
2545         const char *display = NULL;
2546         const char *coalesce = NULL;
2547         bool no_source = false;
2548         const struct option options[] = {
2549         OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
2550                    "file", "vmlinux pathname"),
2551         OPT_STRING('i', "input", &input_name, "file",
2552                    "the input file to process"),
2553         OPT_INCR('N', "node-info", &c2c.node_info,
2554                  "show extra node info in report (repeat for more info)"),
2555 #ifdef HAVE_SLANG_SUPPORT
2556         OPT_BOOLEAN(0, "stdio", &c2c.use_stdio, "Use the stdio interface"),
2557 #endif
2558         OPT_BOOLEAN(0, "stats", &c2c.stats_only,
2559                     "Display only statistic tables (implies --stdio)"),
2560         OPT_BOOLEAN(0, "full-symbols", &c2c.symbol_full,
2561                     "Display full length of symbols"),
2562         OPT_BOOLEAN(0, "no-source", &no_source,
2563                     "Do not display Source Line column"),
2564         OPT_BOOLEAN(0, "show-all", &c2c.show_all,
2565                     "Show all captured HITM lines."),
2566         OPT_CALLBACK_DEFAULT('g', "call-graph", &callchain_param,
2567                              "print_type,threshold[,print_limit],order,sort_key[,branch],value",
2568                              callchain_help, &parse_callchain_opt,
2569                              callchain_default_opt),
2570         OPT_STRING('d', "display", &display, "Switch HITM output type", "lcl,rmt"),
2571         OPT_STRING('c', "coalesce", &coalesce, "coalesce fields",
2572                    "coalesce fields: pid,tid,iaddr,dso"),
2573         OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
2574         OPT_PARENT(c2c_options),
2575         OPT_END()
2576         };
2577         int err = 0;
2578
2579         argc = parse_options(argc, argv, options, report_c2c_usage,
2580                              PARSE_OPT_STOP_AT_NON_OPTION);
2581         if (argc)
2582                 usage_with_options(report_c2c_usage, options);
2583
2584         if (c2c.stats_only)
2585                 c2c.use_stdio = true;
2586
2587         if (!input_name || !strlen(input_name))
2588                 input_name = "perf.data";
2589
2590         file.path  = input_name;
2591         file.force = symbol_conf.force;
2592
2593         err = setup_display(display);
2594         if (err)
2595                 goto out;
2596
2597         err = setup_coalesce(coalesce, no_source);
2598         if (err) {
2599                 pr_debug("Failed to initialize hists\n");
2600                 goto out;
2601         }
2602
2603         err = c2c_hists__init(&c2c.hists, "dcacheline", 2);
2604         if (err) {
2605                 pr_debug("Failed to initialize hists\n");
2606                 goto out;
2607         }
2608
2609         session = perf_session__new(&file, 0, &c2c.tool);
2610         if (session == NULL) {
2611                 pr_debug("No memory for session\n");
2612                 goto out;
2613         }
2614
2615         err = setup_nodes(session);
2616         if (err) {
2617                 pr_err("Failed setup nodes\n");
2618                 goto out;
2619         }
2620
2621         err = setup_callchain(session->evlist);
2622         if (err)
2623                 goto out_session;
2624
2625         if (symbol__init(&session->header.env) < 0)
2626                 goto out_session;
2627
2628         /* No pipe support at the moment. */
2629         if (perf_data_file__is_pipe(session->file)) {
2630                 pr_debug("No pipe support at the moment.\n");
2631                 goto out_session;
2632         }
2633
2634         if (c2c.use_stdio)
2635                 use_browser = 0;
2636         else
2637                 use_browser = 1;
2638
2639         setup_browser(false);
2640
2641         err = perf_session__process_events(session);
2642         if (err) {
2643                 pr_err("failed to process sample\n");
2644                 goto out_session;
2645         }
2646
2647         c2c_hists__reinit(&c2c.hists,
2648                         "cl_idx,"
2649                         "dcacheline,"
2650                         "tot_recs,"
2651                         "percent_hitm,"
2652                         "tot_hitm,lcl_hitm,rmt_hitm,"
2653                         "stores,stores_l1hit,stores_l1miss,"
2654                         "dram_lcl,dram_rmt,"
2655                         "ld_llcmiss,"
2656                         "tot_loads,"
2657                         "ld_fbhit,ld_l1hit,ld_l2hit,"
2658                         "ld_lclhit,ld_rmthit",
2659                         c2c.display == DISPLAY_TOT ? "tot_hitm" :
2660                         c2c.display == DISPLAY_LCL ? "lcl_hitm" : "rmt_hitm"
2661                         );
2662
2663         ui_progress__init(&prog, c2c.hists.hists.nr_entries, "Sorting...");
2664
2665         hists__collapse_resort(&c2c.hists.hists, NULL);
2666         hists__output_resort_cb(&c2c.hists.hists, &prog, resort_hitm_cb);
2667         hists__iterate_cb(&c2c.hists.hists, resort_cl_cb);
2668
2669         ui_progress__finish();
2670
2671         ui_quirks();
2672
2673         perf_c2c_display(session);
2674
2675 out_session:
2676         perf_session__delete(session);
2677 out:
2678         return err;
2679 }
2680
2681 static int parse_record_events(const struct option *opt,
2682                                const char *str, int unset __maybe_unused)
2683 {
2684         bool *event_set = (bool *) opt->value;
2685
2686         *event_set = true;
2687         return perf_mem_events__parse(str);
2688 }
2689
2690
2691 static const char * const __usage_record[] = {
2692         "perf c2c record [<options>] [<command>]",
2693         "perf c2c record [<options>] -- <command> [<options>]",
2694         NULL
2695 };
2696
2697 static const char * const *record_mem_usage = __usage_record;
2698
2699 static int perf_c2c__record(int argc, const char **argv)
2700 {
2701         int rec_argc, i = 0, j;
2702         const char **rec_argv;
2703         int ret;
2704         bool all_user = false, all_kernel = false;
2705         bool event_set = false;
2706         struct option options[] = {
2707         OPT_CALLBACK('e', "event", &event_set, "event",
2708                      "event selector. Use 'perf mem record -e list' to list available events",
2709                      parse_record_events),
2710         OPT_BOOLEAN('u', "all-user", &all_user, "collect only user level data"),
2711         OPT_BOOLEAN('k', "all-kernel", &all_kernel, "collect only kernel level data"),
2712         OPT_UINTEGER('l', "ldlat", &perf_mem_events__loads_ldlat, "setup mem-loads latency"),
2713         OPT_PARENT(c2c_options),
2714         OPT_END()
2715         };
2716
2717         if (perf_mem_events__init()) {
2718                 pr_err("failed: memory events not supported\n");
2719                 return -1;
2720         }
2721
2722         argc = parse_options(argc, argv, options, record_mem_usage,
2723                              PARSE_OPT_KEEP_UNKNOWN);
2724
2725         rec_argc = argc + 10; /* max number of arguments */
2726         rec_argv = calloc(rec_argc + 1, sizeof(char *));
2727         if (!rec_argv)
2728                 return -1;
2729
2730         rec_argv[i++] = "record";
2731
2732         if (!event_set) {
2733                 perf_mem_events[PERF_MEM_EVENTS__LOAD].record  = true;
2734                 perf_mem_events[PERF_MEM_EVENTS__STORE].record = true;
2735         }
2736
2737         if (perf_mem_events[PERF_MEM_EVENTS__LOAD].record)
2738                 rec_argv[i++] = "-W";
2739
2740         rec_argv[i++] = "-d";
2741         rec_argv[i++] = "--sample-cpu";
2742
2743         for (j = 0; j < PERF_MEM_EVENTS__MAX; j++) {
2744                 if (!perf_mem_events[j].record)
2745                         continue;
2746
2747                 if (!perf_mem_events[j].supported) {
2748                         pr_err("failed: event '%s' not supported\n",
2749                                perf_mem_events[j].name);
2750                         free(rec_argv);
2751                         return -1;
2752                 }
2753
2754                 rec_argv[i++] = "-e";
2755                 rec_argv[i++] = perf_mem_events__name(j);
2756         };
2757
2758         if (all_user)
2759                 rec_argv[i++] = "--all-user";
2760
2761         if (all_kernel)
2762                 rec_argv[i++] = "--all-kernel";
2763
2764         for (j = 0; j < argc; j++, i++)
2765                 rec_argv[i] = argv[j];
2766
2767         if (verbose > 0) {
2768                 pr_debug("calling: ");
2769
2770                 j = 0;
2771
2772                 while (rec_argv[j]) {
2773                         pr_debug("%s ", rec_argv[j]);
2774                         j++;
2775                 }
2776                 pr_debug("\n");
2777         }
2778
2779         ret = cmd_record(i, rec_argv);
2780         free(rec_argv);
2781         return ret;
2782 }
2783
2784 int cmd_c2c(int argc, const char **argv)
2785 {
2786         argc = parse_options(argc, argv, c2c_options, c2c_usage,
2787                              PARSE_OPT_STOP_AT_NON_OPTION);
2788
2789         if (!argc)
2790                 usage_with_options(c2c_usage, c2c_options);
2791
2792         if (!strncmp(argv[0], "rec", 3)) {
2793                 return perf_c2c__record(argc, argv);
2794         } else if (!strncmp(argv[0], "rep", 3)) {
2795                 return perf_c2c__report(argc, argv);
2796         } else {
2797                 usage_with_options(c2c_usage, c2c_options);
2798         }
2799
2800         return 0;
2801 }