tools/perf/builtin-c2c.c

   1 /*
   2  * This is rewrite of original c2c tool introduced in here:
   3  *   http://lwn.net/Articles/588866/
   4  *
   5  * The original tool was changed to fit in current perf state.
   6  *
   7  * Original authors:
   8  *   Don Zickus <dzickus@redhat.com>
   9  *   Dick Fowles <fowles@inreach.com>
  10  *   Joe Mario <jmario@redhat.com>
  11  */
  12 #include <errno.h>
  13 #include <inttypes.h>
  14 #include <linux/compiler.h>
  15 #include <linux/kernel.h>
  16 #include <linux/stringify.h>
  17 #include <asm/bug.h>
  18 #include <sys/param.h>
  19 #include "util.h"
  20 #include "debug.h"
  21 #include "builtin.h"
  22 #include <subcmd/parse-options.h>
  23 #include "mem-events.h"
  24 #include "session.h"
  25 #include "hist.h"
  26 #include "sort.h"
  27 #include "tool.h"
  28 #include "data.h"
  29 #include "sort.h"
  30 #include "evlist.h"
  31 #include "evsel.h"
  32 #include <asm/bug.h>
  33 #include "ui/browsers/hists.h"
  34 #include "evlist.h"
  35 #include "thread.h"
  36
  37 struct c2c_hists {
  38         struct hists            hists;
  39         struct perf_hpp_list    list;
  40         struct c2c_stats        stats;
  41 };
  42
  43 struct compute_stats {
  44         struct stats             lcl_hitm;
  45         struct stats             rmt_hitm;
  46         struct stats             load;
  47 };
  48
  49 struct c2c_hist_entry {
  50         struct c2c_hists        *hists;
  51         struct c2c_stats         stats;
  52         unsigned long           *cpuset;
  53         struct c2c_stats        *node_stats;
  54         unsigned int             cacheline_idx;
  55
  56         struct compute_stats     cstats;
  57
  58         /*
  59          * must be at the end,
  60          * because of its callchain dynamic entry
  61          */
  62         struct hist_entry       he;
  63 };
  64
  65 static char const *coalesce_default = "pid,iaddr";
  66
  67 struct perf_c2c {
  68         struct perf_tool        tool;
  69         struct c2c_hists        hists;
  70
  71         unsigned long           **nodes;
  72         int                      nodes_cnt;
  73         int                      cpus_cnt;
  74         int                     *cpu2node;
  75         int                      node_info;
  76
  77         bool                     show_src;
  78         bool                     show_all;
  79         bool                     use_stdio;
  80         bool                     stats_only;
  81         bool                     symbol_full;
  82
  83         /* HITM shared clines stats */
  84         struct c2c_stats        hitm_stats;
  85         int                     shared_clines;
  86
  87         int                      display;
  88
  89         const char              *coalesce;
  90         char                    *cl_sort;
  91         char                    *cl_resort;
  92         char                    *cl_output;
  93 };
  94
  95 enum {
  96         DISPLAY_LCL,
  97         DISPLAY_RMT,
  98         DISPLAY_TOT,
  99         DISPLAY_MAX,
 100 };
 101
 102 static const char *display_str[DISPLAY_MAX] = {
 103         [DISPLAY_LCL] = "Local",
 104         [DISPLAY_RMT] = "Remote",
 105         [DISPLAY_TOT] = "Total",
 106 };
 107
 108 static const struct option c2c_options[] = {
 109         OPT_INCR('v', "verbose", &verbose, "be more verbose (show counter open errors, etc)"),
 110         OPT_END()
 111 };
 112
 113 static struct perf_c2c c2c;
 114
 115 static void *c2c_he_zalloc(size_t size)
 116 {
 117         struct c2c_hist_entry *c2c_he;
 118
 119         c2c_he = zalloc(size + sizeof(*c2c_he));
 120         if (!c2c_he)
 121                 return NULL;
 122
 123         c2c_he->cpuset = bitmap_alloc(c2c.cpus_cnt);
 124         if (!c2c_he->cpuset)
 125                 return NULL;
 126
 127         c2c_he->node_stats = zalloc(c2c.nodes_cnt * sizeof(*c2c_he->node_stats));
 128         if (!c2c_he->node_stats)
 129                 return NULL;
 130
 131         init_stats(&c2c_he->cstats.lcl_hitm);
 132         init_stats(&c2c_he->cstats.rmt_hitm);
 133         init_stats(&c2c_he->cstats.load);
 134
 135         return &c2c_he->he;
 136 }
 137
 138 static void c2c_he_free(void *he)
 139 {
 140         struct c2c_hist_entry *c2c_he;
 141
 142         c2c_he = container_of(he, struct c2c_hist_entry, he);
 143         if (c2c_he->hists) {
 144                 hists__delete_entries(&c2c_he->hists->hists);
 145                 free(c2c_he->hists);
 146         }
 147
 148         free(c2c_he->cpuset);
 149         free(c2c_he->node_stats);
 150         free(c2c_he);
 151 }
 152
 153 static struct hist_entry_ops c2c_entry_ops = {
 154         .new    = c2c_he_zalloc,
 155         .free   = c2c_he_free,
 156 };
 157
 158 static int c2c_hists__init(struct c2c_hists *hists,
 159                            const char *sort,
 160                            int nr_header_lines);
 161
 162 static struct c2c_hists*
 163 he__get_c2c_hists(struct hist_entry *he,
 164                   const char *sort,
 165                   int nr_header_lines)
 166 {
 167         struct c2c_hist_entry *c2c_he;
 168         struct c2c_hists *hists;
 169         int ret;
 170
 171         c2c_he = container_of(he, struct c2c_hist_entry, he);
 172         if (c2c_he->hists)
 173                 return c2c_he->hists;
 174
 175         hists = c2c_he->hists = zalloc(sizeof(*hists));
 176         if (!hists)
 177                 return NULL;
 178
 179         ret = c2c_hists__init(hists, sort, nr_header_lines);
 180         if (ret) {
 181                 free(hists);
 182                 return NULL;
 183         }
 184
 185         return hists;
 186 }
 187
 188 static void c2c_he__set_cpu(struct c2c_hist_entry *c2c_he,
 189                             struct perf_sample *sample)
 190 {
 191         if (WARN_ONCE(sample->cpu == (unsigned int) -1,
 192                       "WARNING: no sample cpu value"))
 193                 return;
 194
 195         set_bit(sample->cpu, c2c_he->cpuset);
 196 }
 197
 198 static void compute_stats(struct c2c_hist_entry *c2c_he,
 199                           struct c2c_stats *stats,
 200                           u64 weight)
 201 {
 202         struct compute_stats *cstats = &c2c_he->cstats;
 203
 204         if (stats->rmt_hitm)
 205                 update_stats(&cstats->rmt_hitm, weight);
 206         else if (stats->lcl_hitm)
 207                 update_stats(&cstats->lcl_hitm, weight);
 208         else if (stats->load)
 209                 update_stats(&cstats->load, weight);
 210 }
 211
 212 static int process_sample_event(struct perf_tool *tool __maybe_unused,
 213                                 union perf_event *event,
 214                                 struct perf_sample *sample,
 215                                 struct perf_evsel *evsel,
 216                                 struct machine *machine)
 217 {
 218         struct c2c_hists *c2c_hists = &c2c.hists;
 219         struct c2c_hist_entry *c2c_he;
 220         struct c2c_stats stats = { .nr_entries = 0, };
 221         struct hist_entry *he;
 222         struct addr_location al;
 223         struct mem_info *mi, *mi_dup;
 224         int ret;
 225
 226         if (machine__resolve(machine, &al, sample) < 0) {
 227                 pr_debug("problem processing %d event, skipping it.\n",
 228                          event->header.type);
 229                 return -1;
 230         }
 231
 232         ret = sample__resolve_callchain(sample, &callchain_cursor, NULL,
 233                                         evsel, &al, sysctl_perf_event_max_stack);
 234         if (ret)
 235                 goto out;
 236
 237         mi = sample__resolve_mem(sample, &al);
 238         if (mi == NULL)
 239                 return -ENOMEM;
 240
 241         mi_dup = memdup(mi, sizeof(*mi));
 242         if (!mi_dup)
 243                 goto free_mi;
 244
 245         c2c_decode_stats(&stats, mi);
 246
 247         he = hists__add_entry_ops(&c2c_hists->hists, &c2c_entry_ops,
 248                                   &al, NULL, NULL, mi,
 249                                   sample, true);
 250         if (he == NULL)
 251                 goto free_mi_dup;
 252
 253         c2c_he = container_of(he, struct c2c_hist_entry, he);
 254         c2c_add_stats(&c2c_he->stats, &stats);
 255         c2c_add_stats(&c2c_hists->stats, &stats);
 256
 257         c2c_he__set_cpu(c2c_he, sample);
 258
 259         hists__inc_nr_samples(&c2c_hists->hists, he->filtered);
 260         ret = hist_entry__append_callchain(he, sample);
 261
 262         if (!ret) {
 263                 /*
 264                  * There's already been warning about missing
 265                  * sample's cpu value. Let's account all to
 266                  * node 0 in this case, without any further
 267                  * warning.
 268                  *
 269                  * Doing node stats only for single callchain data.
 270                  */
 271                 int cpu = sample->cpu == (unsigned int) -1 ? 0 : sample->cpu;
 272                 int node = c2c.cpu2node[cpu];
 273
 274                 mi = mi_dup;
 275
 276                 mi_dup = memdup(mi, sizeof(*mi));
 277                 if (!mi_dup)
 278                         goto free_mi;
 279
 280                 c2c_hists = he__get_c2c_hists(he, c2c.cl_sort, 2);
 281                 if (!c2c_hists)
 282                         goto free_mi_dup;
 283
 284                 he = hists__add_entry_ops(&c2c_hists->hists, &c2c_entry_ops,
 285                                           &al, NULL, NULL, mi,
 286                                           sample, true);
 287                 if (he == NULL)
 288                         goto free_mi_dup;
 289
 290                 c2c_he = container_of(he, struct c2c_hist_entry, he);
 291                 c2c_add_stats(&c2c_he->stats, &stats);
 292                 c2c_add_stats(&c2c_hists->stats, &stats);
 293                 c2c_add_stats(&c2c_he->node_stats[node], &stats);
 294
 295                 compute_stats(c2c_he, &stats, sample->weight);
 296
 297                 c2c_he__set_cpu(c2c_he, sample);
 298
 299                 hists__inc_nr_samples(&c2c_hists->hists, he->filtered);
 300                 ret = hist_entry__append_callchain(he, sample);
 301         }
 302
 303 out:
 304         addr_location__put(&al);
 305         return ret;
 306
 307 free_mi_dup:
 308         free(mi_dup);
 309 free_mi:
 310         free(mi);
 311         ret = -ENOMEM;
 312         goto out;
 313 }
 314
 315 static struct perf_c2c c2c = {
 316         .tool = {
 317                 .sample         = process_sample_event,
 318                 .mmap           = perf_event__process_mmap,
 319                 .mmap2          = perf_event__process_mmap2,
 320                 .comm           = perf_event__process_comm,
 321                 .exit           = perf_event__process_exit,
 322                 .fork           = perf_event__process_fork,
 323                 .lost           = perf_event__process_lost,
 324                 .ordered_events = true,
 325                 .ordering_requires_timestamps = true,
 326         },
 327 };
 328
 329 static const char * const c2c_usage[] = {
 330         "perf c2c {record|report}",
 331         NULL
 332 };
 333
 334 static const char * const __usage_report[] = {
 335         "perf c2c report",
 336         NULL
 337 };
 338
 339 static const char * const *report_c2c_usage = __usage_report;
 340
 341 #define C2C_HEADER_MAX 2
 342
 343 struct c2c_header {
 344         struct {
 345                 const char *text;
 346                 int         span;
 347         } line[C2C_HEADER_MAX];
 348 };
 349
 350 struct c2c_dimension {
 351         struct c2c_header        header;
 352         const char              *name;
 353         int                      width;
 354         struct sort_entry       *se;
 355
 356         int64_t (*cmp)(struct perf_hpp_fmt *fmt,
 357                        struct hist_entry *, struct hist_entry *);
 358         int   (*entry)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 359                        struct hist_entry *he);
 360         int   (*color)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 361                        struct hist_entry *he);
 362 };
 363
 364 struct c2c_fmt {
 365         struct perf_hpp_fmt      fmt;
 366         struct c2c_dimension    *dim;
 367 };
 368
 369 #define SYMBOL_WIDTH 30
 370
 371 static struct c2c_dimension dim_symbol;
 372 static struct c2c_dimension dim_srcline;
 373
 374 static int symbol_width(struct hists *hists, struct sort_entry *se)
 375 {
 376         int width = hists__col_len(hists, se->se_width_idx);
 377
 378         if (!c2c.symbol_full)
 379                 width = MIN(width, SYMBOL_WIDTH);
 380
 381         return width;
 382 }
 383
 384 static int c2c_width(struct perf_hpp_fmt *fmt,
 385                      struct perf_hpp *hpp __maybe_unused,
 386                      struct hists *hists)
 387 {
 388         struct c2c_fmt *c2c_fmt;
 389         struct c2c_dimension *dim;
 390
 391         c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
 392         dim = c2c_fmt->dim;
 393
 394         if (dim == &dim_symbol || dim == &dim_srcline)
 395                 return symbol_width(hists, dim->se);
 396
 397         return dim->se ? hists__col_len(hists, dim->se->se_width_idx) :
 398                          c2c_fmt->dim->width;
 399 }
 400
 401 static int c2c_header(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 402                       struct hists *hists, int line, int *span)
 403 {
 404         struct perf_hpp_list *hpp_list = hists->hpp_list;
 405         struct c2c_fmt *c2c_fmt;
 406         struct c2c_dimension *dim;
 407         const char *text = NULL;
 408         int width = c2c_width(fmt, hpp, hists);
 409
 410         c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
 411         dim = c2c_fmt->dim;
 412
 413         if (dim->se) {
 414                 text = dim->header.line[line].text;
 415                 /* Use the last line from sort_entry if not defined. */
 416                 if (!text && (line == hpp_list->nr_header_lines - 1))
 417                         text = dim->se->se_header;
 418         } else {
 419                 text = dim->header.line[line].text;
 420
 421                 if (*span) {
 422                         (*span)--;
 423                         return 0;
 424                 } else {
 425                         *span = dim->header.line[line].span;
 426                 }
 427         }
 428
 429         if (text == NULL)
 430                 text = "";
 431
 432         return scnprintf(hpp->buf, hpp->size, "%*s", width, text);
 433 }
 434
 435 #define HEX_STR(__s, __v)                               \
 436 ({                                                      \
 437         scnprintf(__s, sizeof(__s), "0x%" PRIx64, __v); \
 438         __s;                                            \
 439 })
 440
 441 static int64_t
 442 dcacheline_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 443                struct hist_entry *left, struct hist_entry *right)
 444 {
 445         return sort__dcacheline_cmp(left, right);
 446 }
 447
 448 static int dcacheline_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 449                             struct hist_entry *he)
 450 {
 451         uint64_t addr = 0;
 452         int width = c2c_width(fmt, hpp, he->hists);
 453         char buf[20];
 454
 455         if (he->mem_info)
 456                 addr = cl_address(he->mem_info->daddr.addr);
 457
 458         return scnprintf(hpp->buf, hpp->size, "%*s", width, HEX_STR(buf, addr));
 459 }
 460
 461 static int offset_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 462                         struct hist_entry *he)
 463 {
 464         uint64_t addr = 0;
 465         int width = c2c_width(fmt, hpp, he->hists);
 466         char buf[20];
 467
 468         if (he->mem_info)
 469                 addr = cl_offset(he->mem_info->daddr.al_addr);
 470
 471         return scnprintf(hpp->buf, hpp->size, "%*s", width, HEX_STR(buf, addr));
 472 }
 473
 474 static int64_t
 475 offset_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 476            struct hist_entry *left, struct hist_entry *right)
 477 {
 478         uint64_t l = 0, r = 0;
 479
 480         if (left->mem_info)
 481                 l = cl_offset(left->mem_info->daddr.addr);
 482         if (right->mem_info)
 483                 r = cl_offset(right->mem_info->daddr.addr);
 484
 485         return (int64_t)(r - l);
 486 }
 487
 488 static int
 489 iaddr_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 490             struct hist_entry *he)
 491 {
 492         uint64_t addr = 0;
 493         int width = c2c_width(fmt, hpp, he->hists);
 494         char buf[20];
 495
 496         if (he->mem_info)
 497                 addr = he->mem_info->iaddr.addr;
 498
 499         return scnprintf(hpp->buf, hpp->size, "%*s", width, HEX_STR(buf, addr));
 500 }
 501
 502 static int64_t
 503 iaddr_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 504           struct hist_entry *left, struct hist_entry *right)
 505 {
 506         return sort__iaddr_cmp(left, right);
 507 }
 508
 509 static int
 510 tot_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 511                struct hist_entry *he)
 512 {
 513         struct c2c_hist_entry *c2c_he;
 514         int width = c2c_width(fmt, hpp, he->hists);
 515         unsigned int tot_hitm;
 516
 517         c2c_he = container_of(he, struct c2c_hist_entry, he);
 518         tot_hitm = c2c_he->stats.lcl_hitm + c2c_he->stats.rmt_hitm;
 519
 520         return scnprintf(hpp->buf, hpp->size, "%*u", width, tot_hitm);
 521 }
 522
 523 static int64_t
 524 tot_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 525              struct hist_entry *left, struct hist_entry *right)
 526 {
 527         struct c2c_hist_entry *c2c_left;
 528         struct c2c_hist_entry *c2c_right;
 529         unsigned int tot_hitm_left;
 530         unsigned int tot_hitm_right;
 531
 532         c2c_left  = container_of(left, struct c2c_hist_entry, he);
 533         c2c_right = container_of(right, struct c2c_hist_entry, he);
 534
 535         tot_hitm_left  = c2c_left->stats.lcl_hitm + c2c_left->stats.rmt_hitm;
 536         tot_hitm_right = c2c_right->stats.lcl_hitm + c2c_right->stats.rmt_hitm;
 537
 538         return tot_hitm_left - tot_hitm_right;
 539 }
 540
 541 #define STAT_FN_ENTRY(__f)                                      \
 542 static int                                                      \
 543 __f ## _entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,   \
 544               struct hist_entry *he)                            \
 545 {                                                               \
 546         struct c2c_hist_entry *c2c_he;                          \
 547         int width = c2c_width(fmt, hpp, he->hists);             \
 548                                                                 \
 549         c2c_he = container_of(he, struct c2c_hist_entry, he);   \
 550         return scnprintf(hpp->buf, hpp->size, "%*u", width,     \
 551                          c2c_he->stats.__f);                    \
 552 }
 553
 554 #define STAT_FN_CMP(__f)                                                \
 555 static int64_t                                                          \
 556 __f ## _cmp(struct perf_hpp_fmt *fmt __maybe_unused,                    \
 557             struct hist_entry *left, struct hist_entry *right)          \
 558 {                                                                       \
 559         struct c2c_hist_entry *c2c_left, *c2c_right;                    \
 560                                                                         \
 561         c2c_left  = container_of(left, struct c2c_hist_entry, he);      \
 562         c2c_right = container_of(right, struct c2c_hist_entry, he);     \
 563         return c2c_left->stats.__f - c2c_right->stats.__f;              \
 564 }
 565
 566 #define STAT_FN(__f)            \
 567         STAT_FN_ENTRY(__f)      \
 568         STAT_FN_CMP(__f)
 569
 570 STAT_FN(rmt_hitm)
 571 STAT_FN(lcl_hitm)
 572 STAT_FN(store)
 573 STAT_FN(st_l1hit)
 574 STAT_FN(st_l1miss)
 575 STAT_FN(ld_fbhit)
 576 STAT_FN(ld_l1hit)
 577 STAT_FN(ld_l2hit)
 578 STAT_FN(ld_llchit)
 579 STAT_FN(rmt_hit)
 580
 581 static uint64_t llc_miss(struct c2c_stats *stats)
 582 {
 583         uint64_t llcmiss;
 584
 585         llcmiss = stats->lcl_dram +
 586                   stats->rmt_dram +
 587                   stats->rmt_hitm +
 588                   stats->rmt_hit;
 589
 590         return llcmiss;
 591 }
 592
 593 static int
 594 ld_llcmiss_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 595                  struct hist_entry *he)
 596 {
 597         struct c2c_hist_entry *c2c_he;
 598         int width = c2c_width(fmt, hpp, he->hists);
 599
 600         c2c_he = container_of(he, struct c2c_hist_entry, he);
 601
 602         return scnprintf(hpp->buf, hpp->size, "%*lu", width,
 603                          llc_miss(&c2c_he->stats));
 604 }
 605
 606 static int64_t
 607 ld_llcmiss_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 608                struct hist_entry *left, struct hist_entry *right)
 609 {
 610         struct c2c_hist_entry *c2c_left;
 611         struct c2c_hist_entry *c2c_right;
 612
 613         c2c_left  = container_of(left, struct c2c_hist_entry, he);
 614         c2c_right = container_of(right, struct c2c_hist_entry, he);
 615
 616         return llc_miss(&c2c_left->stats) - llc_miss(&c2c_right->stats);
 617 }
 618
 619 static uint64_t total_records(struct c2c_stats *stats)
 620 {
 621         uint64_t lclmiss, ldcnt, total;
 622
 623         lclmiss  = stats->lcl_dram +
 624                    stats->rmt_dram +
 625                    stats->rmt_hitm +
 626                    stats->rmt_hit;
 627
 628         ldcnt    = lclmiss +
 629                    stats->ld_fbhit +
 630                    stats->ld_l1hit +
 631                    stats->ld_l2hit +
 632                    stats->ld_llchit +
 633                    stats->lcl_hitm;
 634
 635         total    = ldcnt +
 636                    stats->st_l1hit +
 637                    stats->st_l1miss;
 638
 639         return total;
 640 }
 641
 642 static int
 643 tot_recs_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 644                 struct hist_entry *he)
 645 {
 646         struct c2c_hist_entry *c2c_he;
 647         int width = c2c_width(fmt, hpp, he->hists);
 648         uint64_t tot_recs;
 649
 650         c2c_he = container_of(he, struct c2c_hist_entry, he);
 651         tot_recs = total_records(&c2c_he->stats);
 652
 653         return scnprintf(hpp->buf, hpp->size, "%*" PRIu64, width, tot_recs);
 654 }
 655
 656 static int64_t
 657 tot_recs_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 658              struct hist_entry *left, struct hist_entry *right)
 659 {
 660         struct c2c_hist_entry *c2c_left;
 661         struct c2c_hist_entry *c2c_right;
 662         uint64_t tot_recs_left;
 663         uint64_t tot_recs_right;
 664
 665         c2c_left  = container_of(left, struct c2c_hist_entry, he);
 666         c2c_right = container_of(right, struct c2c_hist_entry, he);
 667
 668         tot_recs_left  = total_records(&c2c_left->stats);
 669         tot_recs_right = total_records(&c2c_right->stats);
 670
 671         return tot_recs_left - tot_recs_right;
 672 }
 673
 674 static uint64_t total_loads(struct c2c_stats *stats)
 675 {
 676         uint64_t lclmiss, ldcnt;
 677
 678         lclmiss  = stats->lcl_dram +
 679                    stats->rmt_dram +
 680                    stats->rmt_hitm +
 681                    stats->rmt_hit;
 682
 683         ldcnt    = lclmiss +
 684                    stats->ld_fbhit +
 685                    stats->ld_l1hit +
 686                    stats->ld_l2hit +
 687                    stats->ld_llchit +
 688                    stats->lcl_hitm;
 689
 690         return ldcnt;
 691 }
 692
 693 static int
 694 tot_loads_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 695                 struct hist_entry *he)
 696 {
 697         struct c2c_hist_entry *c2c_he;
 698         int width = c2c_width(fmt, hpp, he->hists);
 699         uint64_t tot_recs;
 700
 701         c2c_he = container_of(he, struct c2c_hist_entry, he);
 702         tot_recs = total_loads(&c2c_he->stats);
 703
 704         return scnprintf(hpp->buf, hpp->size, "%*" PRIu64, width, tot_recs);
 705 }
 706
 707 static int64_t
 708 tot_loads_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 709               struct hist_entry *left, struct hist_entry *right)
 710 {
 711         struct c2c_hist_entry *c2c_left;
 712         struct c2c_hist_entry *c2c_right;
 713         uint64_t tot_recs_left;
 714         uint64_t tot_recs_right;
 715
 716         c2c_left  = container_of(left, struct c2c_hist_entry, he);
 717         c2c_right = container_of(right, struct c2c_hist_entry, he);
 718
 719         tot_recs_left  = total_loads(&c2c_left->stats);
 720         tot_recs_right = total_loads(&c2c_right->stats);
 721
 722         return tot_recs_left - tot_recs_right;
 723 }
 724
 725 typedef double (get_percent_cb)(struct c2c_hist_entry *);
 726
 727 static int
 728 percent_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 729               struct hist_entry *he, get_percent_cb get_percent)
 730 {
 731         struct c2c_hist_entry *c2c_he;
 732         int width = c2c_width(fmt, hpp, he->hists);
 733         double per;
 734
 735         c2c_he = container_of(he, struct c2c_hist_entry, he);
 736         per = get_percent(c2c_he);
 737
 738 #ifdef HAVE_SLANG_SUPPORT
 739         if (use_browser)
 740                 return __hpp__slsmg_color_printf(hpp, "%*.2f%%", width - 1, per);
 741 #endif
 742         return hpp_color_scnprintf(hpp, "%*.2f%%", width - 1, per);
 743 }
 744
 745 static double percent_hitm(struct c2c_hist_entry *c2c_he)
 746 {
 747         struct c2c_hists *hists;
 748         struct c2c_stats *stats;
 749         struct c2c_stats *total;
 750         int tot = 0, st = 0;
 751         double p;
 752
 753         hists = container_of(c2c_he->he.hists, struct c2c_hists, hists);
 754         stats = &c2c_he->stats;
 755         total = &hists->stats;
 756
 757         switch (c2c.display) {
 758         case DISPLAY_RMT:
 759                 st  = stats->rmt_hitm;
 760                 tot = total->rmt_hitm;
 761                 break;
 762         case DISPLAY_LCL:
 763                 st  = stats->lcl_hitm;
 764                 tot = total->lcl_hitm;
 765                 break;
 766         case DISPLAY_TOT:
 767                 st  = stats->tot_hitm;
 768                 tot = total->tot_hitm;
 769         default:
 770                 break;
 771         }
 772
 773         p = tot ? (double) st / tot : 0;
 774
 775         return 100 * p;
 776 }
 777
 778 #define PERC_STR(__s, __v)                              \
 779 ({                                                      \
 780         scnprintf(__s, sizeof(__s), "%.2F%%", __v);     \
 781         __s;                                            \
 782 })
 783
 784 static int
 785 percent_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 786                    struct hist_entry *he)
 787 {
 788         struct c2c_hist_entry *c2c_he;
 789         int width = c2c_width(fmt, hpp, he->hists);
 790         char buf[10];
 791         double per;
 792
 793         c2c_he = container_of(he, struct c2c_hist_entry, he);
 794         per = percent_hitm(c2c_he);
 795         return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
 796 }
 797
 798 static int
 799 percent_hitm_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 800                    struct hist_entry *he)
 801 {
 802         return percent_color(fmt, hpp, he, percent_hitm);
 803 }
 804
 805 static int64_t
 806 percent_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 807                  struct hist_entry *left, struct hist_entry *right)
 808 {
 809         struct c2c_hist_entry *c2c_left;
 810         struct c2c_hist_entry *c2c_right;
 811         double per_left;
 812         double per_right;
 813
 814         c2c_left  = container_of(left, struct c2c_hist_entry, he);
 815         c2c_right = container_of(right, struct c2c_hist_entry, he);
 816
 817         per_left  = percent_hitm(c2c_left);
 818         per_right = percent_hitm(c2c_right);
 819
 820         return per_left - per_right;
 821 }
 822
 823 static struct c2c_stats *he_stats(struct hist_entry *he)
 824 {
 825         struct c2c_hist_entry *c2c_he;
 826
 827         c2c_he = container_of(he, struct c2c_hist_entry, he);
 828         return &c2c_he->stats;
 829 }
 830
 831 static struct c2c_stats *total_stats(struct hist_entry *he)
 832 {
 833         struct c2c_hists *hists;
 834
 835         hists = container_of(he->hists, struct c2c_hists, hists);
 836         return &hists->stats;
 837 }
 838
 839 static double percent(int st, int tot)
 840 {
 841         return tot ? 100. * (double) st / (double) tot : 0;
 842 }
 843
 844 #define PERCENT(__h, __f) percent(he_stats(__h)->__f, total_stats(__h)->__f)
 845
 846 #define PERCENT_FN(__f)                                                         \
 847 static double percent_ ## __f(struct c2c_hist_entry *c2c_he)                    \
 848 {                                                                               \
 849         struct c2c_hists *hists;                                                \
 850                                                                                 \
 851         hists = container_of(c2c_he->he.hists, struct c2c_hists, hists);        \
 852         return percent(c2c_he->stats.__f, hists->stats.__f);                    \
 853 }
 854
 855 PERCENT_FN(rmt_hitm)
 856 PERCENT_FN(lcl_hitm)
 857 PERCENT_FN(st_l1hit)
 858 PERCENT_FN(st_l1miss)
 859
 860 static int
 861 percent_rmt_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 862                        struct hist_entry *he)
 863 {
 864         int width = c2c_width(fmt, hpp, he->hists);
 865         double per = PERCENT(he, rmt_hitm);
 866         char buf[10];
 867
 868         return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
 869 }
 870
 871 static int
 872 percent_rmt_hitm_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 873                        struct hist_entry *he)
 874 {
 875         return percent_color(fmt, hpp, he, percent_rmt_hitm);
 876 }
 877
 878 static int64_t
 879 percent_rmt_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 880                      struct hist_entry *left, struct hist_entry *right)
 881 {
 882         double per_left;
 883         double per_right;
 884
 885         per_left  = PERCENT(left, lcl_hitm);
 886         per_right = PERCENT(right, lcl_hitm);
 887
 888         return per_left - per_right;
 889 }
 890
 891 static int
 892 percent_lcl_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 893                        struct hist_entry *he)
 894 {
 895         int width = c2c_width(fmt, hpp, he->hists);
 896         double per = PERCENT(he, lcl_hitm);
 897         char buf[10];
 898
 899         return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
 900 }
 901
 902 static int
 903 percent_lcl_hitm_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 904                        struct hist_entry *he)
 905 {
 906         return percent_color(fmt, hpp, he, percent_lcl_hitm);
 907 }
 908
 909 static int64_t
 910 percent_lcl_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 911                      struct hist_entry *left, struct hist_entry *right)
 912 {
 913         double per_left;
 914         double per_right;
 915
 916         per_left  = PERCENT(left, lcl_hitm);
 917         per_right = PERCENT(right, lcl_hitm);
 918
 919         return per_left - per_right;
 920 }
 921
 922 static int
 923 percent_stores_l1hit_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 924                            struct hist_entry *he)
 925 {
 926         int width = c2c_width(fmt, hpp, he->hists);
 927         double per = PERCENT(he, st_l1hit);
 928         char buf[10];
 929
 930         return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
 931 }
 932
 933 static int
 934 percent_stores_l1hit_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 935                            struct hist_entry *he)
 936 {
 937         return percent_color(fmt, hpp, he, percent_st_l1hit);
 938 }
 939
 940 static int64_t
 941 percent_stores_l1hit_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 942                         struct hist_entry *left, struct hist_entry *right)
 943 {
 944         double per_left;
 945         double per_right;
 946
 947         per_left  = PERCENT(left, st_l1hit);
 948         per_right = PERCENT(right, st_l1hit);
 949
 950         return per_left - per_right;
 951 }
 952
 953 static int
 954 percent_stores_l1miss_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 955                            struct hist_entry *he)
 956 {
 957         int width = c2c_width(fmt, hpp, he->hists);
 958         double per = PERCENT(he, st_l1miss);
 959         char buf[10];
 960
 961         return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
 962 }
 963
 964 static int
 965 percent_stores_l1miss_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 966                             struct hist_entry *he)
 967 {
 968         return percent_color(fmt, hpp, he, percent_st_l1miss);
 969 }
 970
 971 static int64_t
 972 percent_stores_l1miss_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 973                           struct hist_entry *left, struct hist_entry *right)
 974 {
 975         double per_left;
 976         double per_right;
 977
 978         per_left  = PERCENT(left, st_l1miss);
 979         per_right = PERCENT(right, st_l1miss);
 980
 981         return per_left - per_right;
 982 }
 983
 984 STAT_FN(lcl_dram)
 985 STAT_FN(rmt_dram)
 986
 987 static int
 988 pid_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 989           struct hist_entry *he)
 990 {
 991         int width = c2c_width(fmt, hpp, he->hists);
 992
 993         return scnprintf(hpp->buf, hpp->size, "%*d", width, he->thread->pid_);
 994 }
 995
 996 static int64_t
 997 pid_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 998         struct hist_entry *left, struct hist_entry *right)
 999 {
1000         return left->thread->pid_ - right->thread->pid_;
1001 }
1002
1003 static int64_t
1004 empty_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
1005           struct hist_entry *left __maybe_unused,
1006           struct hist_entry *right __maybe_unused)
1007 {
1008         return 0;
1009 }
1010
1011 static int
1012 node_entry(struct perf_hpp_fmt *fmt __maybe_unused, struct perf_hpp *hpp,
1013            struct hist_entry *he)
1014 {
1015         struct c2c_hist_entry *c2c_he;
1016         bool first = true;
1017         int node;
1018         int ret = 0;
1019
1020         c2c_he = container_of(he, struct c2c_hist_entry, he);
1021
1022         for (node = 0; node < c2c.nodes_cnt; node++) {
1023                 DECLARE_BITMAP(set, c2c.cpus_cnt);
1024
1025                 bitmap_zero(set, c2c.cpus_cnt);
1026                 bitmap_and(set, c2c_he->cpuset, c2c.nodes[node], c2c.cpus_cnt);
1027
1028                 if (!bitmap_weight(set, c2c.cpus_cnt)) {
1029                         if (c2c.node_info == 1) {
1030                                 ret = scnprintf(hpp->buf, hpp->size, "%21s", " ");
1031                                 advance_hpp(hpp, ret);
1032                         }
1033                         continue;
1034                 }
1035
1036                 if (!first) {
1037                         ret = scnprintf(hpp->buf, hpp->size, " ");
1038                         advance_hpp(hpp, ret);
1039                 }
1040
1041                 switch (c2c.node_info) {
1042                 case 0:
1043                         ret = scnprintf(hpp->buf, hpp->size, "%2d", node);
1044                         advance_hpp(hpp, ret);
1045                         break;
1046                 case 1:
1047                 {
1048                         int num = bitmap_weight(c2c_he->cpuset, c2c.cpus_cnt);
1049                         struct c2c_stats *stats = &c2c_he->node_stats[node];
1050
1051                         ret = scnprintf(hpp->buf, hpp->size, "%2d{%2d ", node, num);
1052                         advance_hpp(hpp, ret);
1053
1054                 #define DISPLAY_HITM(__h)                                               \
1055                         if (c2c_he->stats.__h> 0) {                                     \
1056                                 ret = scnprintf(hpp->buf, hpp->size, "%5.1f%% ",        \
1057                                                 percent(stats->__h, c2c_he->stats.__h));\
1058                         } else {                                                        \
1059                                 ret = scnprintf(hpp->buf, hpp->size, "%6s ", "n/a");    \
1060                         }
1061
1062                         switch (c2c.display) {
1063                         case DISPLAY_RMT:
1064                                 DISPLAY_HITM(rmt_hitm);
1065                                 break;
1066                         case DISPLAY_LCL:
1067                                 DISPLAY_HITM(lcl_hitm);
1068                                 break;
1069                         case DISPLAY_TOT:
1070                                 DISPLAY_HITM(tot_hitm);
1071                         default:
1072                                 break;
1073                         }
1074
1075                 #undef DISPLAY_HITM
1076
1077                         advance_hpp(hpp, ret);
1078
1079                         if (c2c_he->stats.store > 0) {
1080                                 ret = scnprintf(hpp->buf, hpp->size, "%5.1f%%}",
1081                                                 percent(stats->store, c2c_he->stats.store));
1082                         } else {
1083                                 ret = scnprintf(hpp->buf, hpp->size, "%6s}", "n/a");
1084                         }
1085
1086                         advance_hpp(hpp, ret);
1087                         break;
1088                 }
1089                 case 2:
1090                         ret = scnprintf(hpp->buf, hpp->size, "%2d{", node);
1091                         advance_hpp(hpp, ret);
1092
1093                         ret = bitmap_scnprintf(set, c2c.cpus_cnt, hpp->buf, hpp->size);
1094                         advance_hpp(hpp, ret);
1095
1096                         ret = scnprintf(hpp->buf, hpp->size, "}");
1097                         advance_hpp(hpp, ret);
1098                         break;
1099                 default:
1100                         break;
1101                 }
1102
1103                 first = false;
1104         }
1105
1106         return 0;
1107 }
1108
1109 static int
1110 mean_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1111            struct hist_entry *he, double mean)
1112 {
1113         int width = c2c_width(fmt, hpp, he->hists);
1114         char buf[10];
1115
1116         scnprintf(buf, 10, "%6.0f", mean);
1117         return scnprintf(hpp->buf, hpp->size, "%*s", width, buf);
1118 }
1119
1120 #define MEAN_ENTRY(__func, __val)                                               \
1121 static int                                                                      \
1122 __func(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, struct hist_entry *he)   \
1123 {                                                                               \
1124         struct c2c_hist_entry *c2c_he;                                          \
1125         c2c_he = container_of(he, struct c2c_hist_entry, he);                   \
1126         return mean_entry(fmt, hpp, he, avg_stats(&c2c_he->cstats.__val));      \
1127 }
1128
1129 MEAN_ENTRY(mean_rmt_entry,  rmt_hitm);
1130 MEAN_ENTRY(mean_lcl_entry,  lcl_hitm);
1131 MEAN_ENTRY(mean_load_entry, load);
1132
1133 static int
1134 cpucnt_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1135              struct hist_entry *he)
1136 {
1137         struct c2c_hist_entry *c2c_he;
1138         int width = c2c_width(fmt, hpp, he->hists);
1139         char buf[10];
1140
1141         c2c_he = container_of(he, struct c2c_hist_entry, he);
1142
1143         scnprintf(buf, 10, "%d", bitmap_weight(c2c_he->cpuset, c2c.cpus_cnt));
1144         return scnprintf(hpp->buf, hpp->size, "%*s", width, buf);
1145 }
1146
1147 static int
1148 cl_idx_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1149              struct hist_entry *he)
1150 {
1151         struct c2c_hist_entry *c2c_he;
1152         int width = c2c_width(fmt, hpp, he->hists);
1153         char buf[10];
1154
1155         c2c_he = container_of(he, struct c2c_hist_entry, he);
1156
1157         scnprintf(buf, 10, "%u", c2c_he->cacheline_idx);
1158         return scnprintf(hpp->buf, hpp->size, "%*s", width, buf);
1159 }
1160
1161 static int
1162 cl_idx_empty_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1163                    struct hist_entry *he)
1164 {
1165         int width = c2c_width(fmt, hpp, he->hists);
1166
1167         return scnprintf(hpp->buf, hpp->size, "%*s", width, "");
1168 }
1169
1170 #define HEADER_LOW(__h)                 \
1171         {                               \
1172                 .line[1] = {            \
1173                         .text = __h,    \
1174                 },                      \
1175         }
1176
1177 #define HEADER_BOTH(__h0, __h1)         \
1178         {                               \
1179                 .line[0] = {            \
1180                         .text = __h0,   \
1181                 },                      \
1182                 .line[1] = {            \
1183                         .text = __h1,   \
1184                 },                      \
1185         }
1186
1187 #define HEADER_SPAN(__h0, __h1, __s)    \
1188         {                               \
1189                 .line[0] = {            \
1190                         .text = __h0,   \
1191                         .span = __s,    \
1192                 },                      \
1193                 .line[1] = {            \
1194                         .text = __h1,   \
1195                 },                      \
1196         }
1197
1198 #define HEADER_SPAN_LOW(__h)            \
1199         {                               \
1200                 .line[1] = {            \
1201                         .text = __h,    \
1202                 },                      \
1203         }
1204
1205 static struct c2c_dimension dim_dcacheline = {
1206         .header         = HEADER_LOW("Cacheline"),
1207         .name           = "dcacheline",
1208         .cmp            = dcacheline_cmp,
1209         .entry          = dcacheline_entry,
1210         .width          = 18,
1211 };
1212
1213 static struct c2c_header header_offset_tui = HEADER_LOW("Off");
1214
1215 static struct c2c_dimension dim_offset = {
1216         .header         = HEADER_BOTH("Data address", "Offset"),
1217         .name           = "offset",
1218         .cmp            = offset_cmp,
1219         .entry          = offset_entry,
1220         .width          = 18,
1221 };
1222
1223 static struct c2c_dimension dim_iaddr = {
1224         .header         = HEADER_LOW("Code address"),
1225         .name           = "iaddr",
1226         .cmp            = iaddr_cmp,
1227         .entry          = iaddr_entry,
1228         .width          = 18,
1229 };
1230
1231 static struct c2c_dimension dim_tot_hitm = {
1232         .header         = HEADER_SPAN("----- LLC Load Hitm -----", "Total", 2),
1233         .name           = "tot_hitm",
1234         .cmp            = tot_hitm_cmp,
1235         .entry          = tot_hitm_entry,
1236         .width          = 7,
1237 };
1238
1239 static struct c2c_dimension dim_lcl_hitm = {
1240         .header         = HEADER_SPAN_LOW("Lcl"),
1241         .name           = "lcl_hitm",
1242         .cmp            = lcl_hitm_cmp,
1243         .entry          = lcl_hitm_entry,
1244         .width          = 7,
1245 };
1246
1247 static struct c2c_dimension dim_rmt_hitm = {
1248         .header         = HEADER_SPAN_LOW("Rmt"),
1249         .name           = "rmt_hitm",
1250         .cmp            = rmt_hitm_cmp,
1251         .entry          = rmt_hitm_entry,
1252         .width          = 7,
1253 };
1254
1255 static struct c2c_dimension dim_cl_rmt_hitm = {
1256         .header         = HEADER_SPAN("----- HITM -----", "Rmt", 1),
1257         .name           = "cl_rmt_hitm",
1258         .cmp            = rmt_hitm_cmp,
1259         .entry          = rmt_hitm_entry,
1260         .width          = 7,
1261 };
1262
1263 static struct c2c_dimension dim_cl_lcl_hitm = {
1264         .header         = HEADER_SPAN_LOW("Lcl"),
1265         .name           = "cl_lcl_hitm",
1266         .cmp            = lcl_hitm_cmp,
1267         .entry          = lcl_hitm_entry,
1268         .width          = 7,
1269 };
1270
1271 static struct c2c_dimension dim_stores = {
1272         .header         = HEADER_SPAN("---- Store Reference ----", "Total", 2),
1273         .name           = "stores",
1274         .cmp            = store_cmp,
1275         .entry          = store_entry,
1276         .width          = 7,
1277 };
1278
1279 static struct c2c_dimension dim_stores_l1hit = {
1280         .header         = HEADER_SPAN_LOW("L1Hit"),
1281         .name           = "stores_l1hit",
1282         .cmp            = st_l1hit_cmp,
1283         .entry          = st_l1hit_entry,
1284         .width          = 7,
1285 };
1286
1287 static struct c2c_dimension dim_stores_l1miss = {
1288         .header         = HEADER_SPAN_LOW("L1Miss"),
1289         .name           = "stores_l1miss",
1290         .cmp            = st_l1miss_cmp,
1291         .entry          = st_l1miss_entry,
1292         .width          = 7,
1293 };
1294
1295 static struct c2c_dimension dim_cl_stores_l1hit = {
1296         .header         = HEADER_SPAN("-- Store Refs --", "L1 Hit", 1),
1297         .name           = "cl_stores_l1hit",
1298         .cmp            = st_l1hit_cmp,
1299         .entry          = st_l1hit_entry,
1300         .width          = 7,
1301 };
1302
1303 static struct c2c_dimension dim_cl_stores_l1miss = {
1304         .header         = HEADER_SPAN_LOW("L1 Miss"),
1305         .name           = "cl_stores_l1miss",
1306         .cmp            = st_l1miss_cmp,
1307         .entry          = st_l1miss_entry,
1308         .width          = 7,
1309 };
1310
1311 static struct c2c_dimension dim_ld_fbhit = {
1312         .header         = HEADER_SPAN("----- Core Load Hit -----", "FB", 2),
1313         .name           = "ld_fbhit",
1314         .cmp            = ld_fbhit_cmp,
1315         .entry          = ld_fbhit_entry,
1316         .width          = 7,
1317 };
1318
1319 static struct c2c_dimension dim_ld_l1hit = {
1320         .header         = HEADER_SPAN_LOW("L1"),
1321         .name           = "ld_l1hit",
1322         .cmp            = ld_l1hit_cmp,
1323         .entry          = ld_l1hit_entry,
1324         .width          = 7,
1325 };
1326
1327 static struct c2c_dimension dim_ld_l2hit = {
1328         .header         = HEADER_SPAN_LOW("L2"),
1329         .name           = "ld_l2hit",
1330         .cmp            = ld_l2hit_cmp,
1331         .entry          = ld_l2hit_entry,
1332         .width          = 7,
1333 };
1334
1335 static struct c2c_dimension dim_ld_llchit = {
1336         .header         = HEADER_SPAN("-- LLC Load Hit --", "Llc", 1),
1337         .name           = "ld_lclhit",
1338         .cmp            = ld_llchit_cmp,
1339         .entry          = ld_llchit_entry,
1340         .width          = 8,
1341 };
1342
1343 static struct c2c_dimension dim_ld_rmthit = {
1344         .header         = HEADER_SPAN_LOW("Rmt"),
1345         .name           = "ld_rmthit",
1346         .cmp            = rmt_hit_cmp,
1347         .entry          = rmt_hit_entry,
1348         .width          = 8,
1349 };
1350
1351 static struct c2c_dimension dim_ld_llcmiss = {
1352         .header         = HEADER_BOTH("LLC", "Ld Miss"),
1353         .name           = "ld_llcmiss",
1354         .cmp            = ld_llcmiss_cmp,
1355         .entry          = ld_llcmiss_entry,
1356         .width          = 7,
1357 };
1358
1359 static struct c2c_dimension dim_tot_recs = {
1360         .header         = HEADER_BOTH("Total", "records"),
1361         .name           = "tot_recs",
1362         .cmp            = tot_recs_cmp,
1363         .entry          = tot_recs_entry,
1364         .width          = 7,
1365 };
1366
1367 static struct c2c_dimension dim_tot_loads = {
1368         .header         = HEADER_BOTH("Total", "Loads"),
1369         .name           = "tot_loads",
1370         .cmp            = tot_loads_cmp,
1371         .entry          = tot_loads_entry,
1372         .width          = 7,
1373 };
1374
1375 static struct c2c_header percent_hitm_header[] = {
1376         [DISPLAY_LCL] = HEADER_BOTH("Lcl", "Hitm"),
1377         [DISPLAY_RMT] = HEADER_BOTH("Rmt", "Hitm"),
1378         [DISPLAY_TOT] = HEADER_BOTH("Tot", "Hitm"),
1379 };
1380
1381 static struct c2c_dimension dim_percent_hitm = {
1382         .name           = "percent_hitm",
1383         .cmp            = percent_hitm_cmp,
1384         .entry          = percent_hitm_entry,
1385         .color          = percent_hitm_color,
1386         .width          = 7,
1387 };
1388
1389 static struct c2c_dimension dim_percent_rmt_hitm = {
1390         .header         = HEADER_SPAN("----- HITM -----", "Rmt", 1),
1391         .name           = "percent_rmt_hitm",
1392         .cmp            = percent_rmt_hitm_cmp,
1393         .entry          = percent_rmt_hitm_entry,
1394         .color          = percent_rmt_hitm_color,
1395         .width          = 7,
1396 };
1397
1398 static struct c2c_dimension dim_percent_lcl_hitm = {
1399         .header         = HEADER_SPAN_LOW("Lcl"),
1400         .name           = "percent_lcl_hitm",
1401         .cmp            = percent_lcl_hitm_cmp,
1402         .entry          = percent_lcl_hitm_entry,
1403         .color          = percent_lcl_hitm_color,
1404         .width          = 7,
1405 };
1406
1407 static struct c2c_dimension dim_percent_stores_l1hit = {
1408         .header         = HEADER_SPAN("-- Store Refs --", "L1 Hit", 1),
1409         .name           = "percent_stores_l1hit",
1410         .cmp            = percent_stores_l1hit_cmp,
1411         .entry          = percent_stores_l1hit_entry,
1412         .color          = percent_stores_l1hit_color,
1413         .width          = 7,
1414 };
1415
1416 static struct c2c_dimension dim_percent_stores_l1miss = {
1417         .header         = HEADER_SPAN_LOW("L1 Miss"),
1418         .name           = "percent_stores_l1miss",
1419         .cmp            = percent_stores_l1miss_cmp,
1420         .entry          = percent_stores_l1miss_entry,
1421         .color          = percent_stores_l1miss_color,
1422         .width          = 7,
1423 };
1424
1425 static struct c2c_dimension dim_dram_lcl = {
1426         .header         = HEADER_SPAN("--- Load Dram ----", "Lcl", 1),
1427         .name           = "dram_lcl",
1428         .cmp            = lcl_dram_cmp,
1429         .entry          = lcl_dram_entry,
1430         .width          = 8,
1431 };
1432
1433 static struct c2c_dimension dim_dram_rmt = {
1434         .header         = HEADER_SPAN_LOW("Rmt"),
1435         .name           = "dram_rmt",
1436         .cmp            = rmt_dram_cmp,
1437         .entry          = rmt_dram_entry,
1438         .width          = 8,
1439 };
1440
1441 static struct c2c_dimension dim_pid = {
1442         .header         = HEADER_LOW("Pid"),
1443         .name           = "pid",
1444         .cmp            = pid_cmp,
1445         .entry          = pid_entry,
1446         .width          = 7,
1447 };
1448
1449 static struct c2c_dimension dim_tid = {
1450         .header         = HEADER_LOW("Tid"),
1451         .name           = "tid",
1452         .se             = &sort_thread,
1453 };
1454
1455 static struct c2c_dimension dim_symbol = {
1456         .name           = "symbol",
1457         .se             = &sort_sym,
1458 };
1459
1460 static struct c2c_dimension dim_dso = {
1461         .header         = HEADER_BOTH("Shared", "Object"),
1462         .name           = "dso",
1463         .se             = &sort_dso,
1464 };
1465
1466 static struct c2c_header header_node[3] = {
1467         HEADER_LOW("Node"),
1468         HEADER_LOW("Node{cpus %hitms %stores}"),
1469         HEADER_LOW("Node{cpu list}"),
1470 };
1471
1472 static struct c2c_dimension dim_node = {
1473         .name           = "node",
1474         .cmp            = empty_cmp,
1475         .entry          = node_entry,
1476         .width          = 4,
1477 };
1478
1479 static struct c2c_dimension dim_mean_rmt = {
1480         .header         = HEADER_SPAN("---------- cycles ----------", "rmt hitm", 2),
1481         .name           = "mean_rmt",
1482         .cmp            = empty_cmp,
1483         .entry          = mean_rmt_entry,
1484         .width          = 8,
1485 };
1486
1487 static struct c2c_dimension dim_mean_lcl = {
1488         .header         = HEADER_SPAN_LOW("lcl hitm"),
1489         .name           = "mean_lcl",
1490         .cmp            = empty_cmp,
1491         .entry          = mean_lcl_entry,
1492         .width          = 8,
1493 };
1494
1495 static struct c2c_dimension dim_mean_load = {
1496         .header         = HEADER_SPAN_LOW("load"),
1497         .name           = "mean_load",
1498         .cmp            = empty_cmp,
1499         .entry          = mean_load_entry,
1500         .width          = 8,
1501 };
1502
1503 static struct c2c_dimension dim_cpucnt = {
1504         .header         = HEADER_BOTH("cpu", "cnt"),
1505         .name           = "cpucnt",
1506         .cmp            = empty_cmp,
1507         .entry          = cpucnt_entry,
1508         .width          = 8,
1509 };
1510
1511 static struct c2c_dimension dim_srcline = {
1512         .name           = "cl_srcline",
1513         .se             = &sort_srcline,
1514 };
1515
1516 static struct c2c_dimension dim_dcacheline_idx = {
1517         .header         = HEADER_LOW("Index"),
1518         .name           = "cl_idx",
1519         .cmp            = empty_cmp,
1520         .entry          = cl_idx_entry,
1521         .width          = 5,
1522 };
1523
1524 static struct c2c_dimension dim_dcacheline_num = {
1525         .header         = HEADER_LOW("Num"),
1526         .name           = "cl_num",
1527         .cmp            = empty_cmp,
1528         .entry          = cl_idx_entry,
1529         .width          = 5,
1530 };
1531
1532 static struct c2c_dimension dim_dcacheline_num_empty = {
1533         .header         = HEADER_LOW("Num"),
1534         .name           = "cl_num_empty",
1535         .cmp            = empty_cmp,
1536         .entry          = cl_idx_empty_entry,
1537         .width          = 5,
1538 };
1539
1540 static struct c2c_dimension *dimensions[] = {
1541         &dim_dcacheline,
1542         &dim_offset,
1543         &dim_iaddr,
1544         &dim_tot_hitm,
1545         &dim_lcl_hitm,
1546         &dim_rmt_hitm,
1547         &dim_cl_lcl_hitm,
1548         &dim_cl_rmt_hitm,
1549         &dim_stores,
1550         &dim_stores_l1hit,
1551         &dim_stores_l1miss,
1552         &dim_cl_stores_l1hit,
1553         &dim_cl_stores_l1miss,
1554         &dim_ld_fbhit,
1555         &dim_ld_l1hit,
1556         &dim_ld_l2hit,
1557         &dim_ld_llchit,
1558         &dim_ld_rmthit,
1559         &dim_ld_llcmiss,
1560         &dim_tot_recs,
1561         &dim_tot_loads,
1562         &dim_percent_hitm,
1563         &dim_percent_rmt_hitm,
1564         &dim_percent_lcl_hitm,
1565         &dim_percent_stores_l1hit,
1566         &dim_percent_stores_l1miss,
1567         &dim_dram_lcl,
1568         &dim_dram_rmt,
1569         &dim_pid,
1570         &dim_tid,
1571         &dim_symbol,
1572         &dim_dso,
1573         &dim_node,
1574         &dim_mean_rmt,
1575         &dim_mean_lcl,
1576         &dim_mean_load,
1577         &dim_cpucnt,
1578         &dim_srcline,
1579         &dim_dcacheline_idx,
1580         &dim_dcacheline_num,
1581         &dim_dcacheline_num_empty,
1582         NULL,
1583 };
1584
1585 static void fmt_free(struct perf_hpp_fmt *fmt)
1586 {
1587         struct c2c_fmt *c2c_fmt;
1588
1589         c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
1590         free(c2c_fmt);
1591 }
1592
1593 static bool fmt_equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b)
1594 {
1595         struct c2c_fmt *c2c_a = container_of(a, struct c2c_fmt, fmt);
1596         struct c2c_fmt *c2c_b = container_of(b, struct c2c_fmt, fmt);
1597
1598         return c2c_a->dim == c2c_b->dim;
1599 }
1600
1601 static struct c2c_dimension *get_dimension(const char *name)
1602 {
1603         unsigned int i;
1604
1605         for (i = 0; dimensions[i]; i++) {
1606                 struct c2c_dimension *dim = dimensions[i];
1607
1608                 if (!strcmp(dim->name, name))
1609                         return dim;
1610         };
1611
1612         return NULL;
1613 }
1614
1615 static int c2c_se_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1616                         struct hist_entry *he)
1617 {
1618         struct c2c_fmt *c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
1619         struct c2c_dimension *dim = c2c_fmt->dim;
1620         size_t len = fmt->user_len;
1621
1622         if (!len) {
1623                 len = hists__col_len(he->hists, dim->se->se_width_idx);
1624
1625                 if (dim == &dim_symbol || dim == &dim_srcline)
1626                         len = symbol_width(he->hists, dim->se);
1627         }
1628
1629         return dim->se->se_snprintf(he, hpp->buf, hpp->size, len);
1630 }
1631
1632 static int64_t c2c_se_cmp(struct perf_hpp_fmt *fmt,
1633                           struct hist_entry *a, struct hist_entry *b)
1634 {
1635         struct c2c_fmt *c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
1636         struct c2c_dimension *dim = c2c_fmt->dim;
1637
1638         return dim->se->se_cmp(a, b);
1639 }
1640
1641 static int64_t c2c_se_collapse(struct perf_hpp_fmt *fmt,
1642                                struct hist_entry *a, struct hist_entry *b)
1643 {
1644         struct c2c_fmt *c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
1645         struct c2c_dimension *dim = c2c_fmt->dim;
1646         int64_t (*collapse_fn)(struct hist_entry *, struct hist_entry *);
1647
1648         collapse_fn = dim->se->se_collapse ?: dim->se->se_cmp;
1649         return collapse_fn(a, b);
1650 }
1651
1652 static struct c2c_fmt *get_format(const char *name)
1653 {
1654         struct c2c_dimension *dim = get_dimension(name);
1655         struct c2c_fmt *c2c_fmt;
1656         struct perf_hpp_fmt *fmt;
1657
1658         if (!dim)
1659                 return NULL;
1660
1661         c2c_fmt = zalloc(sizeof(*c2c_fmt));
1662         if (!c2c_fmt)
1663                 return NULL;
1664
1665         c2c_fmt->dim = dim;
1666
1667         fmt = &c2c_fmt->fmt;
1668         INIT_LIST_HEAD(&fmt->list);
1669         INIT_LIST_HEAD(&fmt->sort_list);
1670
1671         fmt->cmp        = dim->se ? c2c_se_cmp   : dim->cmp;
1672         fmt->sort       = dim->se ? c2c_se_cmp   : dim->cmp;
1673         fmt->color      = dim->se ? NULL         : dim->color;
1674         fmt->entry      = dim->se ? c2c_se_entry : dim->entry;
1675         fmt->header     = c2c_header;
1676         fmt->width      = c2c_width;
1677         fmt->collapse   = dim->se ? c2c_se_collapse : dim->cmp;
1678         fmt->equal      = fmt_equal;
1679         fmt->free       = fmt_free;
1680
1681         return c2c_fmt;
1682 }
1683
1684 static int c2c_hists__init_output(struct perf_hpp_list *hpp_list, char *name)
1685 {
1686         struct c2c_fmt *c2c_fmt = get_format(name);
1687
1688         if (!c2c_fmt) {
1689                 reset_dimensions();
1690                 return output_field_add(hpp_list, name);
1691         }
1692
1693         perf_hpp_list__column_register(hpp_list, &c2c_fmt->fmt);
1694         return 0;
1695 }
1696
1697 static int c2c_hists__init_sort(struct perf_hpp_list *hpp_list, char *name)
1698 {
1699         struct c2c_fmt *c2c_fmt = get_format(name);
1700         struct c2c_dimension *dim;
1701
1702         if (!c2c_fmt) {
1703                 reset_dimensions();
1704                 return sort_dimension__add(hpp_list, name, NULL, 0);
1705         }
1706
1707         dim = c2c_fmt->dim;
1708         if (dim == &dim_dso)
1709                 hpp_list->dso = 1;
1710
1711         perf_hpp_list__register_sort_field(hpp_list, &c2c_fmt->fmt);
1712         return 0;
1713 }
1714
1715 #define PARSE_LIST(_list, _fn)                                                  \
1716         do {                                                                    \
1717                 char *tmp, *tok;                                                \
1718                 ret = 0;                                                        \
1719                                                                                 \
1720                 if (!_list)                                                     \
1721                         break;                                                  \
1722                                                                                 \
1723                 for (tok = strtok_r((char *)_list, ", ", &tmp);                 \
1724                                 tok; tok = strtok_r(NULL, ", ", &tmp)) {        \
1725                         ret = _fn(hpp_list, tok);                               \
1726                         if (ret == -EINVAL) {                                   \
1727                                 error("Invalid --fields key: `%s'", tok);       \
1728                                 break;                                          \
1729                         } else if (ret == -ESRCH) {                             \
1730                                 error("Unknown --fields key: `%s'", tok);       \
1731                                 break;                                          \
1732                         }                                                       \
1733                 }                                                               \
1734         } while (0)
1735
1736 static int hpp_list__parse(struct perf_hpp_list *hpp_list,
1737                            const char *output_,
1738                            const char *sort_)
1739 {
1740         char *output = output_ ? strdup(output_) : NULL;
1741         char *sort   = sort_   ? strdup(sort_) : NULL;
1742         int ret;
1743
1744         PARSE_LIST(output, c2c_hists__init_output);
1745         PARSE_LIST(sort,   c2c_hists__init_sort);
1746
1747         /* copy sort keys to output fields */
1748         perf_hpp__setup_output_field(hpp_list);
1749
1750         /*
1751          * We dont need other sorting keys other than those
1752          * we already specified. It also really slows down
1753          * the processing a lot with big number of output
1754          * fields, so switching this off for c2c.
1755          */
1756
1757 #if 0
1758         /* and then copy output fields to sort keys */
1759         perf_hpp__append_sort_keys(&hists->list);
1760 #endif
1761
1762         free(output);
1763         free(sort);
1764         return ret;
1765 }
1766
1767 static int c2c_hists__init(struct c2c_hists *hists,
1768                            const char *sort,
1769                            int nr_header_lines)
1770 {
1771         __hists__init(&hists->hists, &hists->list);
1772
1773         /*
1774          * Initialize only with sort fields, we need to resort
1775          * later anyway, and that's where we add output fields
1776          * as well.
1777          */
1778         perf_hpp_list__init(&hists->list);
1779
1780         /* Overload number of header lines.*/
1781         hists->list.nr_header_lines = nr_header_lines;
1782
1783         return hpp_list__parse(&hists->list, NULL, sort);
1784 }
1785
1786 static int c2c_hists__reinit(struct c2c_hists *c2c_hists,
1787                              const char *output,
1788                              const char *sort)
1789 {
1790         perf_hpp__reset_output_field(&c2c_hists->list);
1791         return hpp_list__parse(&c2c_hists->list, output, sort);
1792 }
1793
1794 #define DISPLAY_LINE_LIMIT  0.0005
1795
1796 static bool he__display(struct hist_entry *he, struct c2c_stats *stats)
1797 {
1798         struct c2c_hist_entry *c2c_he;
1799         double ld_dist;
1800
1801         if (c2c.show_all)
1802                 return true;
1803
1804         c2c_he = container_of(he, struct c2c_hist_entry, he);
1805
1806 #define FILTER_HITM(__h)                                                \
1807         if (stats->__h) {                                               \
1808                 ld_dist = ((double)c2c_he->stats.__h / stats->__h);     \
1809                 if (ld_dist < DISPLAY_LINE_LIMIT)                       \
1810                         he->filtered = HIST_FILTER__C2C;                \
1811         } else {                                                        \
1812                 he->filtered = HIST_FILTER__C2C;                        \
1813         }
1814
1815         switch (c2c.display) {
1816         case DISPLAY_LCL:
1817                 FILTER_HITM(lcl_hitm);
1818                 break;
1819         case DISPLAY_RMT:
1820                 FILTER_HITM(rmt_hitm);
1821                 break;
1822         case DISPLAY_TOT:
1823                 FILTER_HITM(tot_hitm);
1824         default:
1825                 break;
1826         };
1827
1828 #undef FILTER_HITM
1829
1830         return he->filtered == 0;
1831 }
1832
1833 static inline int valid_hitm_or_store(struct hist_entry *he)
1834 {
1835         struct c2c_hist_entry *c2c_he;
1836         bool has_hitm;
1837
1838         c2c_he = container_of(he, struct c2c_hist_entry, he);
1839         has_hitm = c2c.display == DISPLAY_TOT ? c2c_he->stats.tot_hitm :
1840                    c2c.display == DISPLAY_LCL ? c2c_he->stats.lcl_hitm :
1841                                                 c2c_he->stats.rmt_hitm;
1842         return has_hitm || c2c_he->stats.store;
1843 }
1844
1845 static void calc_width(struct hist_entry *he)
1846 {
1847         struct c2c_hists *c2c_hists;
1848
1849         c2c_hists = container_of(he->hists, struct c2c_hists, hists);
1850         hists__calc_col_len(&c2c_hists->hists, he);
1851 }
1852
1853 static int filter_cb(struct hist_entry *he)
1854 {
1855         if (c2c.show_src && !he->srcline)
1856                 he->srcline = hist_entry__get_srcline(he);
1857
1858         calc_width(he);
1859
1860         if (!valid_hitm_or_store(he))
1861                 he->filtered = HIST_FILTER__C2C;
1862
1863         return 0;
1864 }
1865
1866 static int resort_cl_cb(struct hist_entry *he)
1867 {
1868         struct c2c_hist_entry *c2c_he;
1869         struct c2c_hists *c2c_hists;
1870         bool display = he__display(he, &c2c.hitm_stats);
1871
1872         c2c_he = container_of(he, struct c2c_hist_entry, he);
1873         c2c_hists = c2c_he->hists;
1874
1875         calc_width(he);
1876
1877         if (display && c2c_hists) {
1878                 static unsigned int idx;
1879
1880                 c2c_he->cacheline_idx = idx++;
1881
1882                 c2c_hists__reinit(c2c_hists, c2c.cl_output, c2c.cl_resort);
1883
1884                 hists__collapse_resort(&c2c_hists->hists, NULL);
1885                 hists__output_resort_cb(&c2c_hists->hists, NULL, filter_cb);
1886         }
1887
1888         return 0;
1889 }
1890
1891 static void setup_nodes_header(void)
1892 {
1893         dim_node.header = header_node[c2c.node_info];
1894 }
1895
1896 static int setup_nodes(struct perf_session *session)
1897 {
1898         struct numa_node *n;
1899         unsigned long **nodes;
1900         int node, cpu;
1901         int *cpu2node;
1902
1903         if (c2c.node_info > 2)
1904                 c2c.node_info = 2;
1905
1906         c2c.nodes_cnt = session->header.env.nr_numa_nodes;
1907         c2c.cpus_cnt  = session->header.env.nr_cpus_online;
1908
1909         n = session->header.env.numa_nodes;
1910         if (!n)
1911                 return -EINVAL;
1912
1913         nodes = zalloc(sizeof(unsigned long *) * c2c.nodes_cnt);
1914         if (!nodes)
1915                 return -ENOMEM;
1916
1917         c2c.nodes = nodes;
1918
1919         cpu2node = zalloc(sizeof(int) * c2c.cpus_cnt);
1920         if (!cpu2node)
1921                 return -ENOMEM;
1922
1923         for (cpu = 0; cpu < c2c.cpus_cnt; cpu++)
1924                 cpu2node[cpu] = -1;
1925
1926         c2c.cpu2node = cpu2node;
1927
1928         for (node = 0; node < c2c.nodes_cnt; node++) {
1929                 struct cpu_map *map = n[node].map;
1930                 unsigned long *set;
1931
1932                 set = bitmap_alloc(c2c.cpus_cnt);
1933                 if (!set)
1934                         return -ENOMEM;
1935
1936                 for (cpu = 0; cpu < map->nr; cpu++) {
1937                         set_bit(map->map[cpu], set);
1938
1939                         if (WARN_ONCE(cpu2node[map->map[cpu]] != -1, "node/cpu topology bug"))
1940                                 return -EINVAL;
1941
1942                         cpu2node[map->map[cpu]] = node;
1943                 }
1944
1945                 nodes[node] = set;
1946         }
1947
1948         setup_nodes_header();
1949         return 0;
1950 }
1951
1952 #define HAS_HITMS(__h) ((__h)->stats.lcl_hitm || (__h)->stats.rmt_hitm)
1953
1954 static int resort_hitm_cb(struct hist_entry *he)
1955 {
1956         struct c2c_hist_entry *c2c_he;
1957         c2c_he = container_of(he, struct c2c_hist_entry, he);
1958
1959         if (HAS_HITMS(c2c_he)) {
1960                 c2c.shared_clines++;
1961                 c2c_add_stats(&c2c.hitm_stats, &c2c_he->stats);
1962         }
1963
1964         return 0;
1965 }
1966
1967 static int hists__iterate_cb(struct hists *hists, hists__resort_cb_t cb)
1968 {
1969         struct rb_node *next = rb_first(&hists->entries);
1970         int ret = 0;
1971
1972         while (next) {
1973                 struct hist_entry *he;
1974
1975                 he = rb_entry(next, struct hist_entry, rb_node);
1976                 ret = cb(he);
1977                 if (ret)
1978                         break;
1979                 next = rb_next(&he->rb_node);
1980         }
1981
1982         return ret;
1983 }
1984
1985 static void print_c2c__display_stats(FILE *out)
1986 {
1987         int llc_misses;
1988         struct c2c_stats *stats = &c2c.hists.stats;
1989
1990         llc_misses = stats->lcl_dram +
1991                      stats->rmt_dram +
1992                      stats->rmt_hit +
1993                      stats->rmt_hitm;
1994
1995         fprintf(out, "=================================================\n");
1996         fprintf(out, "            Trace Event Information              \n");
1997         fprintf(out, "=================================================\n");
1998         fprintf(out, "  Total records                     : %10d\n", stats->nr_entries);
1999         fprintf(out, "  Locked Load/Store Operations      : %10d\n", stats->locks);
2000         fprintf(out, "  Load Operations                   : %10d\n", stats->load);
2001         fprintf(out, "  Loads - uncacheable               : %10d\n", stats->ld_uncache);
2002         fprintf(out, "  Loads - IO                        : %10d\n", stats->ld_io);
2003         fprintf(out, "  Loads - Miss                      : %10d\n", stats->ld_miss);
2004         fprintf(out, "  Loads - no mapping                : %10d\n", stats->ld_noadrs);
2005         fprintf(out, "  Load Fill Buffer Hit              : %10d\n", stats->ld_fbhit);
2006         fprintf(out, "  Load L1D hit                      : %10d\n", stats->ld_l1hit);
2007         fprintf(out, "  Load L2D hit                      : %10d\n", stats->ld_l2hit);
2008         fprintf(out, "  Load LLC hit                      : %10d\n", stats->ld_llchit + stats->lcl_hitm);
2009         fprintf(out, "  Load Local HITM                   : %10d\n", stats->lcl_hitm);
2010         fprintf(out, "  Load Remote HITM                  : %10d\n", stats->rmt_hitm);
2011         fprintf(out, "  Load Remote HIT                   : %10d\n", stats->rmt_hit);
2012         fprintf(out, "  Load Local DRAM                   : %10d\n", stats->lcl_dram);
2013         fprintf(out, "  Load Remote DRAM                  : %10d\n", stats->rmt_dram);
2014         fprintf(out, "  Load MESI State Exclusive         : %10d\n", stats->ld_excl);
2015         fprintf(out, "  Load MESI State Shared            : %10d\n", stats->ld_shared);
2016         fprintf(out, "  Load LLC Misses                   : %10d\n", llc_misses);
2017         fprintf(out, "  LLC Misses to Local DRAM          : %10.1f%%\n", ((double)stats->lcl_dram/(double)llc_misses) * 100.);
2018         fprintf(out, "  LLC Misses to Remote DRAM         : %10.1f%%\n", ((double)stats->rmt_dram/(double)llc_misses) * 100.);
2019         fprintf(out, "  LLC Misses to Remote cache (HIT)  : %10.1f%%\n", ((double)stats->rmt_hit /(double)llc_misses) * 100.);
2020         fprintf(out, "  LLC Misses to Remote cache (HITM) : %10.1f%%\n", ((double)stats->rmt_hitm/(double)llc_misses) * 100.);
2021         fprintf(out, "  Store Operations                  : %10d\n", stats->store);
2022         fprintf(out, "  Store - uncacheable               : %10d\n", stats->st_uncache);
2023         fprintf(out, "  Store - no mapping                : %10d\n", stats->st_noadrs);
2024         fprintf(out, "  Store L1D Hit                     : %10d\n", stats->st_l1hit);
2025         fprintf(out, "  Store L1D Miss                    : %10d\n", stats->st_l1miss);
2026         fprintf(out, "  No Page Map Rejects               : %10d\n", stats->nomap);
2027         fprintf(out, "  Unable to parse data source       : %10d\n", stats->noparse);
2028 }
2029
2030 static void print_shared_cacheline_info(FILE *out)
2031 {
2032         struct c2c_stats *stats = &c2c.hitm_stats;
2033         int hitm_cnt = stats->lcl_hitm + stats->rmt_hitm;
2034
2035         fprintf(out, "=================================================\n");
2036         fprintf(out, "    Global Shared Cache Line Event Information   \n");
2037         fprintf(out, "=================================================\n");
2038         fprintf(out, "  Total Shared Cache Lines          : %10d\n", c2c.shared_clines);
2039         fprintf(out, "  Load HITs on shared lines         : %10d\n", stats->load);
2040         fprintf(out, "  Fill Buffer Hits on shared lines  : %10d\n", stats->ld_fbhit);
2041         fprintf(out, "  L1D hits on shared lines          : %10d\n", stats->ld_l1hit);
2042         fprintf(out, "  L2D hits on shared lines          : %10d\n", stats->ld_l2hit);
2043         fprintf(out, "  LLC hits on shared lines          : %10d\n", stats->ld_llchit + stats->lcl_hitm);
2044         fprintf(out, "  Locked Access on shared lines     : %10d\n", stats->locks);
2045         fprintf(out, "  Store HITs on shared lines        : %10d\n", stats->store);
2046         fprintf(out, "  Store L1D hits on shared lines    : %10d\n", stats->st_l1hit);
2047         fprintf(out, "  Total Merged records              : %10d\n", hitm_cnt + stats->store);
2048 }
2049
2050 static void print_cacheline(struct c2c_hists *c2c_hists,
2051                             struct hist_entry *he_cl,
2052                             struct perf_hpp_list *hpp_list,
2053                             FILE *out)
2054 {
2055         char bf[1000];
2056         struct perf_hpp hpp = {
2057                 .buf            = bf,
2058                 .size           = 1000,
2059         };
2060         static bool once;
2061
2062         if (!once) {
2063                 hists__fprintf_headers(&c2c_hists->hists, out);
2064                 once = true;
2065         } else {
2066                 fprintf(out, "\n");
2067         }
2068
2069         fprintf(out, "  -------------------------------------------------------------\n");
2070         __hist_entry__snprintf(he_cl, &hpp, hpp_list);
2071         fprintf(out, "%s\n", bf);
2072         fprintf(out, "  -------------------------------------------------------------\n");
2073
2074         hists__fprintf(&c2c_hists->hists, false, 0, 0, 0, out, true);
2075 }
2076
2077 static void print_pareto(FILE *out)
2078 {
2079         struct perf_hpp_list hpp_list;
2080         struct rb_node *nd;
2081         int ret;
2082
2083         perf_hpp_list__init(&hpp_list);
2084         ret = hpp_list__parse(&hpp_list,
2085                                 "cl_num,"
2086                                 "cl_rmt_hitm,"
2087                                 "cl_lcl_hitm,"
2088                                 "cl_stores_l1hit,"
2089                                 "cl_stores_l1miss,"
2090                                 "dcacheline",
2091                                 NULL);
2092
2093         if (WARN_ONCE(ret, "failed to setup sort entries\n"))
2094                 return;
2095
2096         nd = rb_first(&c2c.hists.hists.entries);
2097
2098         for (; nd; nd = rb_next(nd)) {
2099                 struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node);
2100                 struct c2c_hist_entry *c2c_he;
2101
2102                 if (he->filtered)
2103                         continue;
2104
2105                 c2c_he = container_of(he, struct c2c_hist_entry, he);
2106                 print_cacheline(c2c_he->hists, he, &hpp_list, out);
2107         }
2108 }
2109
2110 static void print_c2c_info(FILE *out, struct perf_session *session)
2111 {
2112         struct perf_evlist *evlist = session->evlist;
2113         struct perf_evsel *evsel;
2114         bool first = true;
2115
2116         fprintf(out, "=================================================\n");
2117         fprintf(out, "                 c2c details                     \n");
2118         fprintf(out, "=================================================\n");
2119
2120         evlist__for_each_entry(evlist, evsel) {
2121                 fprintf(out, "%-36s: %s\n", first ? "  Events" : "",
2122                         perf_evsel__name(evsel));
2123                 first = false;
2124         }
2125         fprintf(out, "  Cachelines sort on                : %s HITMs\n",
2126                 display_str[c2c.display]);
2127         fprintf(out, "  Cacheline data grouping           : %s\n", c2c.cl_sort);
2128 }
2129
2130 static void perf_c2c__hists_fprintf(FILE *out, struct perf_session *session)
2131 {
2132         setup_pager();
2133
2134         print_c2c__display_stats(out);
2135         fprintf(out, "\n");
2136         print_shared_cacheline_info(out);
2137         fprintf(out, "\n");
2138         print_c2c_info(out, session);
2139
2140         if (c2c.stats_only)
2141                 return;
2142
2143         fprintf(out, "\n");
2144         fprintf(out, "=================================================\n");
2145         fprintf(out, "           Shared Data Cache Line Table          \n");
2146         fprintf(out, "=================================================\n");
2147         fprintf(out, "#\n");
2148
2149         hists__fprintf(&c2c.hists.hists, true, 0, 0, 0, stdout, false);
2150
2151         fprintf(out, "\n");
2152         fprintf(out, "=================================================\n");
2153         fprintf(out, "      Shared Cache Line Distribution Pareto      \n");
2154         fprintf(out, "=================================================\n");
2155         fprintf(out, "#\n");
2156
2157         print_pareto(out);
2158 }
2159
2160 #ifdef HAVE_SLANG_SUPPORT
2161 static void c2c_browser__update_nr_entries(struct hist_browser *hb)
2162 {
2163         u64 nr_entries = 0;
2164         struct rb_node *nd = rb_first(&hb->hists->entries);
2165
2166         while (nd) {
2167                 struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node);
2168
2169                 if (!he->filtered)
2170                         nr_entries++;
2171
2172                 nd = rb_next(nd);
2173         }
2174
2175         hb->nr_non_filtered_entries = nr_entries;
2176 }
2177
2178 struct c2c_cacheline_browser {
2179         struct hist_browser      hb;
2180         struct hist_entry       *he;
2181 };
2182
2183 static int
2184 perf_c2c_cacheline_browser__title(struct hist_browser *browser,
2185                                   char *bf, size_t size)
2186 {
2187         struct c2c_cacheline_browser *cl_browser;
2188         struct hist_entry *he;
2189         uint64_t addr = 0;
2190
2191         cl_browser = container_of(browser, struct c2c_cacheline_browser, hb);
2192         he = cl_browser->he;
2193
2194         if (he->mem_info)
2195                 addr = cl_address(he->mem_info->daddr.addr);
2196
2197         scnprintf(bf, size, "Cacheline 0x%lx", addr);
2198         return 0;
2199 }
2200
2201 static struct c2c_cacheline_browser*
2202 c2c_cacheline_browser__new(struct hists *hists, struct hist_entry *he)
2203 {
2204         struct c2c_cacheline_browser *browser;
2205
2206         browser = zalloc(sizeof(*browser));
2207         if (browser) {
2208                 hist_browser__init(&browser->hb, hists);
2209                 browser->hb.c2c_filter  = true;
2210                 browser->hb.title       = perf_c2c_cacheline_browser__title;
2211                 browser->he             = he;
2212         }
2213
2214         return browser;
2215 }
2216
2217 static int perf_c2c__browse_cacheline(struct hist_entry *he)
2218 {
2219         struct c2c_hist_entry *c2c_he;
2220         struct c2c_hists *c2c_hists;
2221         struct c2c_cacheline_browser *cl_browser;
2222         struct hist_browser *browser;
2223         int key = -1;
2224         const char help[] =
2225         " ENTER         Togle callchains (if present) \n"
2226         " n             Togle Node details info \n"
2227         " s             Togle full lenght of symbol and source line columns \n"
2228         " q             Return back to cacheline list \n";
2229
2230         /* Display compact version first. */
2231         c2c.symbol_full = false;
2232
2233         c2c_he = container_of(he, struct c2c_hist_entry, he);
2234         c2c_hists = c2c_he->hists;
2235
2236         cl_browser = c2c_cacheline_browser__new(&c2c_hists->hists, he);
2237         if (cl_browser == NULL)
2238                 return -1;
2239
2240         browser = &cl_browser->hb;
2241
2242         /* reset abort key so that it can get Ctrl-C as a key */
2243         SLang_reset_tty();
2244         SLang_init_tty(0, 0, 0);
2245
2246         c2c_browser__update_nr_entries(browser);
2247
2248         while (1) {
2249                 key = hist_browser__run(browser, "? - help");
2250
2251                 switch (key) {
2252                 case 's':
2253                         c2c.symbol_full = !c2c.symbol_full;
2254                         break;
2255                 case 'n':
2256                         c2c.node_info = (c2c.node_info + 1) % 3;
2257                         setup_nodes_header();
2258                         break;
2259                 case 'q':
2260                         goto out;
2261                 case '?':
2262                         ui_browser__help_window(&browser->b, help);
2263                         break;
2264                 default:
2265                         break;
2266                 }
2267         }
2268
2269 out:
2270         free(cl_browser);
2271         return 0;
2272 }
2273
2274 static int perf_c2c_browser__title(struct hist_browser *browser,
2275                                    char *bf, size_t size)
2276 {
2277         scnprintf(bf, size,
2278                   "Shared Data Cache Line Table     "
2279                   "(%lu entries, sorted on %s HITMs)",
2280                   browser->nr_non_filtered_entries,
2281                   display_str[c2c.display]);
2282         return 0;
2283 }
2284
2285 static struct hist_browser*
2286 perf_c2c_browser__new(struct hists *hists)
2287 {
2288         struct hist_browser *browser = hist_browser__new(hists);
2289
2290         if (browser) {
2291                 browser->title = perf_c2c_browser__title;
2292                 browser->c2c_filter = true;
2293         }
2294
2295         return browser;
2296 }
2297
2298 static int perf_c2c__hists_browse(struct hists *hists)
2299 {
2300         struct hist_browser *browser;
2301         int key = -1;
2302         const char help[] =
2303         " d             Display cacheline details \n"
2304         " ENTER         Togle callchains (if present) \n"
2305         " q             Quit \n";
2306
2307         browser = perf_c2c_browser__new(hists);
2308         if (browser == NULL)
2309                 return -1;
2310
2311         /* reset abort key so that it can get Ctrl-C as a key */
2312         SLang_reset_tty();
2313         SLang_init_tty(0, 0, 0);
2314
2315         c2c_browser__update_nr_entries(browser);
2316
2317         while (1) {
2318                 key = hist_browser__run(browser, "? - help");
2319
2320                 switch (key) {
2321                 case 'q':
2322                         goto out;
2323                 case 'd':
2324                         perf_c2c__browse_cacheline(browser->he_selection);
2325                         break;
2326                 case '?':
2327                         ui_browser__help_window(&browser->b, help);
2328                         break;
2329                 default:
2330                         break;
2331                 }
2332         }
2333
2334 out:
2335         hist_browser__delete(browser);
2336         return 0;
2337 }
2338
2339 static void perf_c2c_display(struct perf_session *session)
2340 {
2341         if (use_browser == 0)
2342                 perf_c2c__hists_fprintf(stdout, session);
2343         else
2344                 perf_c2c__hists_browse(&c2c.hists.hists);
2345 }
2346 #else
2347 static void perf_c2c_display(struct perf_session *session)
2348 {
2349         use_browser = 0;
2350         perf_c2c__hists_fprintf(stdout, session);
2351 }
2352 #endif /* HAVE_SLANG_SUPPORT */
2353
2354 static void ui_quirks(void)
2355 {
2356         if (!c2c.use_stdio) {
2357                 dim_offset.width  = 5;
2358                 dim_offset.header = header_offset_tui;
2359         }
2360
2361         dim_percent_hitm.header = percent_hitm_header[c2c.display];
2362 }
2363
2364 #define CALLCHAIN_DEFAULT_OPT  "graph,0.5,caller,function,percent"
2365
2366 const char callchain_help[] = "Display call graph (stack chain/backtrace):\n\n"
2367                                 CALLCHAIN_REPORT_HELP
2368                                 "\n\t\t\t\tDefault: " CALLCHAIN_DEFAULT_OPT;
2369
2370 static int
2371 parse_callchain_opt(const struct option *opt, const char *arg, int unset)
2372 {
2373         struct callchain_param *callchain = opt->value;
2374
2375         callchain->enabled = !unset;
2376         /*
2377          * --no-call-graph
2378          */
2379         if (unset) {
2380                 symbol_conf.use_callchain = false;
2381                 callchain->mode = CHAIN_NONE;
2382                 return 0;
2383         }
2384
2385         return parse_callchain_report_opt(arg);
2386 }
2387
2388 static int setup_callchain(struct perf_evlist *evlist)
2389 {
2390         u64 sample_type = perf_evlist__combined_sample_type(evlist);
2391         enum perf_call_graph_mode mode = CALLCHAIN_NONE;
2392
2393         if ((sample_type & PERF_SAMPLE_REGS_USER) &&
2394             (sample_type & PERF_SAMPLE_STACK_USER))
2395                 mode = CALLCHAIN_DWARF;
2396         else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
2397                 mode = CALLCHAIN_LBR;
2398         else if (sample_type & PERF_SAMPLE_CALLCHAIN)
2399                 mode = CALLCHAIN_FP;
2400
2401         if (!callchain_param.enabled &&
2402             callchain_param.mode != CHAIN_NONE &&
2403             mode != CALLCHAIN_NONE) {
2404                 symbol_conf.use_callchain = true;
2405                 if (callchain_register_param(&callchain_param) < 0) {
2406                         ui__error("Can't register callchain params.\n");
2407                         return -EINVAL;
2408                 }
2409         }
2410
2411         callchain_param.record_mode = mode;
2412         callchain_param.min_percent = 0;
2413         return 0;
2414 }
2415
2416 static int setup_display(const char *str)
2417 {
2418         const char *display = str ?: "tot";
2419
2420         if (!strcmp(display, "tot"))
2421                 c2c.display = DISPLAY_TOT;
2422         else if (!strcmp(display, "rmt"))
2423                 c2c.display = DISPLAY_RMT;
2424         else if (!strcmp(display, "lcl"))
2425                 c2c.display = DISPLAY_LCL;
2426         else {
2427                 pr_err("failed: unknown display type: %s\n", str);
2428                 return -1;
2429         }
2430
2431         return 0;
2432 }
2433
2434 #define for_each_token(__tok, __buf, __sep, __tmp)              \
2435         for (__tok = strtok_r(__buf, __sep, &__tmp); __tok;     \
2436              __tok = strtok_r(NULL,  __sep, &__tmp))
2437
2438 static int build_cl_output(char *cl_sort, bool no_source)
2439 {
2440         char *tok, *tmp, *buf = strdup(cl_sort);
2441         bool add_pid   = false;
2442         bool add_tid   = false;
2443         bool add_iaddr = false;
2444         bool add_sym   = false;
2445         bool add_dso   = false;
2446         bool add_src   = false;
2447
2448         if (!buf)
2449                 return -ENOMEM;
2450
2451         for_each_token(tok, buf, ",", tmp) {
2452                 if (!strcmp(tok, "tid")) {
2453                         add_tid = true;
2454                 } else if (!strcmp(tok, "pid")) {
2455                         add_pid = true;
2456                 } else if (!strcmp(tok, "iaddr")) {
2457                         add_iaddr = true;
2458                         add_sym   = true;
2459                         add_dso   = true;
2460                         add_src   = no_source ? false : true;
2461                 } else if (!strcmp(tok, "dso")) {
2462                         add_dso = true;
2463                 } else if (strcmp(tok, "offset")) {
2464                         pr_err("unrecognized sort token: %s\n", tok);
2465                         return -EINVAL;
2466                 }
2467         }
2468
2469         if (asprintf(&c2c.cl_output,
2470                 "%s%s%s%s%s%s%s%s%s%s",
2471                 c2c.use_stdio ? "cl_num_empty," : "",
2472                 "percent_rmt_hitm,"
2473                 "percent_lcl_hitm,"
2474                 "percent_stores_l1hit,"
2475                 "percent_stores_l1miss,"
2476                 "offset,",
2477                 add_pid   ? "pid," : "",
2478                 add_tid   ? "tid," : "",
2479                 add_iaddr ? "iaddr," : "",
2480                 "mean_rmt,"
2481                 "mean_lcl,"
2482                 "mean_load,"
2483                 "tot_recs,"
2484                 "cpucnt,",
2485                 add_sym ? "symbol," : "",
2486                 add_dso ? "dso," : "",
2487                 add_src ? "cl_srcline," : "",
2488                 "node") < 0)
2489                 return -ENOMEM;
2490
2491         c2c.show_src = add_src;
2492
2493         free(buf);
2494         return 0;
2495 }
2496
2497 static int setup_coalesce(const char *coalesce, bool no_source)
2498 {
2499         const char *c = coalesce ?: coalesce_default;
2500
2501         if (asprintf(&c2c.cl_sort, "offset,%s", c) < 0)
2502                 return -ENOMEM;
2503
2504         if (build_cl_output(c2c.cl_sort, no_source))
2505                 return -1;
2506
2507         if (asprintf(&c2c.cl_resort, "offset,%s",
2508                      c2c.display == DISPLAY_TOT ?
2509                      "tot_hitm" :
2510                      c2c.display == DISPLAY_RMT ?
2511                      "rmt_hitm,lcl_hitm" :
2512                      "lcl_hitm,rmt_hitm") < 0)
2513                 return -ENOMEM;
2514
2515         pr_debug("coalesce sort   fields: %s\n", c2c.cl_sort);
2516         pr_debug("coalesce resort fields: %s\n", c2c.cl_resort);
2517         pr_debug("coalesce output fields: %s\n", c2c.cl_output);
2518         return 0;
2519 }
2520
2521 static int perf_c2c__report(int argc, const char **argv)
2522 {
2523         struct perf_session *session;
2524         struct ui_progress prog;
2525         struct perf_data_file file = {
2526                 .mode = PERF_DATA_MODE_READ,
2527         };
2528         char callchain_default_opt[] = CALLCHAIN_DEFAULT_OPT;
2529         const char *display = NULL;
2530         const char *coalesce = NULL;
2531         bool no_source = false;
2532         const struct option options[] = {
2533         OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
2534                    "file", "vmlinux pathname"),
2535         OPT_STRING('i', "input", &input_name, "file",
2536                    "the input file to process"),
2537         OPT_INCR('N', "node-info", &c2c.node_info,
2538                  "show extra node info in report (repeat for more info)"),
2539 #ifdef HAVE_SLANG_SUPPORT
2540         OPT_BOOLEAN(0, "stdio", &c2c.use_stdio, "Use the stdio interface"),
2541 #endif
2542         OPT_BOOLEAN(0, "stats", &c2c.stats_only,
2543                     "Display only statistic tables (implies --stdio)"),
2544         OPT_BOOLEAN(0, "full-symbols", &c2c.symbol_full,
2545                     "Display full length of symbols"),
2546         OPT_BOOLEAN(0, "no-source", &no_source,
2547                     "Do not display Source Line column"),
2548         OPT_BOOLEAN(0, "show-all", &c2c.show_all,
2549                     "Show all captured HITM lines."),
2550         OPT_CALLBACK_DEFAULT('g', "call-graph", &callchain_param,
2551                              "print_type,threshold[,print_limit],order,sort_key[,branch],value",
2552                              callchain_help, &parse_callchain_opt,
2553                              callchain_default_opt),
2554         OPT_STRING('d', "display", &display, "Switch HITM output type", "lcl,rmt"),
2555         OPT_STRING('c', "coalesce", &coalesce, "coalesce fields",
2556                    "coalesce fields: pid,tid,iaddr,dso"),
2557         OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
2558         OPT_PARENT(c2c_options),
2559         OPT_END()
2560         };
2561         int err = 0;
2562
2563         argc = parse_options(argc, argv, options, report_c2c_usage,
2564                              PARSE_OPT_STOP_AT_NON_OPTION);
2565         if (argc)
2566                 usage_with_options(report_c2c_usage, options);
2567
2568         if (c2c.stats_only)
2569                 c2c.use_stdio = true;
2570
2571         if (!input_name || !strlen(input_name))
2572                 input_name = "perf.data";
2573
2574         file.path  = input_name;
2575         file.force = symbol_conf.force;
2576
2577         err = setup_display(display);
2578         if (err)
2579                 goto out;
2580
2581         err = setup_coalesce(coalesce, no_source);
2582         if (err) {
2583                 pr_debug("Failed to initialize hists\n");
2584                 goto out;
2585         }
2586
2587         err = c2c_hists__init(&c2c.hists, "dcacheline", 2);
2588         if (err) {
2589                 pr_debug("Failed to initialize hists\n");
2590                 goto out;
2591         }
2592
2593         session = perf_session__new(&file, 0, &c2c.tool);
2594         if (session == NULL) {
2595                 pr_debug("No memory for session\n");
2596                 goto out;
2597         }
2598
2599         err = setup_nodes(session);
2600         if (err) {
2601                 pr_err("Failed setup nodes\n");
2602                 goto out;
2603         }
2604
2605         err = setup_callchain(session->evlist);
2606         if (err)
2607                 goto out_session;
2608
2609         if (symbol__init(&session->header.env) < 0)
2610                 goto out_session;
2611
2612         /* No pipe support at the moment. */
2613         if (perf_data_file__is_pipe(session->file)) {
2614                 pr_debug("No pipe support at the moment.\n");
2615                 goto out_session;
2616         }
2617
2618         if (c2c.use_stdio)
2619                 use_browser = 0;
2620         else
2621                 use_browser = 1;
2622
2623         setup_browser(false);
2624
2625         err = perf_session__process_events(session);
2626         if (err) {
2627                 pr_err("failed to process sample\n");
2628                 goto out_session;
2629         }
2630
2631         c2c_hists__reinit(&c2c.hists,
2632                         "cl_idx,"
2633                         "dcacheline,"
2634                         "tot_recs,"
2635                         "percent_hitm,"
2636                         "tot_hitm,lcl_hitm,rmt_hitm,"
2637                         "stores,stores_l1hit,stores_l1miss,"
2638                         "dram_lcl,dram_rmt,"
2639                         "ld_llcmiss,"
2640                         "tot_loads,"
2641                         "ld_fbhit,ld_l1hit,ld_l2hit,"
2642                         "ld_lclhit,ld_rmthit",
2643                         c2c.display == DISPLAY_TOT ? "tot_hitm" :
2644                         c2c.display == DISPLAY_LCL ? "lcl_hitm" : "rmt_hitm"
2645                         );
2646
2647         ui_progress__init(&prog, c2c.hists.hists.nr_entries, "Sorting...");
2648
2649         hists__collapse_resort(&c2c.hists.hists, NULL);
2650         hists__output_resort_cb(&c2c.hists.hists, &prog, resort_hitm_cb);
2651         hists__iterate_cb(&c2c.hists.hists, resort_cl_cb);
2652
2653         ui_progress__finish();
2654
2655         ui_quirks();
2656
2657         perf_c2c_display(session);
2658
2659 out_session:
2660         perf_session__delete(session);
2661 out:
2662         return err;
2663 }
2664
2665 static int parse_record_events(const struct option *opt,
2666                                const char *str, int unset __maybe_unused)
2667 {
2668         bool *event_set = (bool *) opt->value;
2669
2670         *event_set = true;
2671         return perf_mem_events__parse(str);
2672 }
2673
2674
2675 static const char * const __usage_record[] = {
2676         "perf c2c record [<options>] [<command>]",
2677         "perf c2c record [<options>] -- <command> [<options>]",
2678         NULL
2679 };
2680
2681 static const char * const *record_mem_usage = __usage_record;
2682
2683 static int perf_c2c__record(int argc, const char **argv)
2684 {
2685         int rec_argc, i = 0, j;
2686         const char **rec_argv;
2687         int ret;
2688         bool all_user = false, all_kernel = false;
2689         bool event_set = false;
2690         struct option options[] = {
2691         OPT_CALLBACK('e', "event", &event_set, "event",
2692                      "event selector. Use 'perf mem record -e list' to list available events",
2693                      parse_record_events),
2694         OPT_BOOLEAN('u', "all-user", &all_user, "collect only user level data"),
2695         OPT_BOOLEAN('k', "all-kernel", &all_kernel, "collect only kernel level data"),
2696         OPT_UINTEGER('l', "ldlat", &perf_mem_events__loads_ldlat, "setup mem-loads latency"),
2697         OPT_PARENT(c2c_options),
2698         OPT_END()
2699         };
2700
2701         if (perf_mem_events__init()) {
2702                 pr_err("failed: memory events not supported\n");
2703                 return -1;
2704         }
2705
2706         argc = parse_options(argc, argv, options, record_mem_usage,
2707                              PARSE_OPT_KEEP_UNKNOWN);
2708
2709         rec_argc = argc + 10; /* max number of arguments */
2710         rec_argv = calloc(rec_argc + 1, sizeof(char *));
2711         if (!rec_argv)
2712                 return -1;
2713
2714         rec_argv[i++] = "record";
2715
2716         if (!event_set) {
2717                 perf_mem_events[PERF_MEM_EVENTS__LOAD].record  = true;
2718                 perf_mem_events[PERF_MEM_EVENTS__STORE].record = true;
2719         }
2720
2721         if (perf_mem_events[PERF_MEM_EVENTS__LOAD].record)
2722                 rec_argv[i++] = "-W";
2723
2724         rec_argv[i++] = "-d";
2725         rec_argv[i++] = "--sample-cpu";
2726
2727         for (j = 0; j < PERF_MEM_EVENTS__MAX; j++) {
2728                 if (!perf_mem_events[j].record)
2729                         continue;
2730
2731                 if (!perf_mem_events[j].supported) {
2732                         pr_err("failed: event '%s' not supported\n",
2733                                perf_mem_events[j].name);
2734                         return -1;
2735                 }
2736
2737                 rec_argv[i++] = "-e";
2738                 rec_argv[i++] = perf_mem_events__name(j);
2739         };
2740
2741         if (all_user)
2742                 rec_argv[i++] = "--all-user";
2743
2744         if (all_kernel)
2745                 rec_argv[i++] = "--all-kernel";
2746
2747         for (j = 0; j < argc; j++, i++)
2748                 rec_argv[i] = argv[j];
2749
2750         if (verbose > 0) {
2751                 pr_debug("calling: ");
2752
2753                 j = 0;
2754
2755                 while (rec_argv[j]) {
2756                         pr_debug("%s ", rec_argv[j]);
2757                         j++;
2758                 }
2759                 pr_debug("\n");
2760         }
2761
2762         ret = cmd_record(i, rec_argv);
2763         free(rec_argv);
2764         return ret;
2765 }
2766
2767 int cmd_c2c(int argc, const char **argv)
2768 {
2769         argc = parse_options(argc, argv, c2c_options, c2c_usage,
2770                              PARSE_OPT_STOP_AT_NON_OPTION);
2771
2772         if (!argc)
2773                 usage_with_options(c2c_usage, c2c_options);
2774
2775         if (!strncmp(argv[0], "rec", 3)) {
2776                 return perf_c2c__record(argc, argv);
2777         } else if (!strncmp(argv[0], "rep", 3)) {
2778                 return perf_c2c__report(argc, argv);
2779         } else {
2780                 usage_with_options(c2c_usage, c2c_options);
2781         }
2782
2783         return 0;
2784 }