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treewide: remove redundant IS_ERR() before error code check
[linux/fpc-iii.git] / tools / perf / builtin-c2c.c
blob246ac0b4d54fbfe851de11d4e412307bd915b9ca
1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * This is rewrite of original c2c tool introduced in here:
4 * http://lwn.net/Articles/588866/
5 *
6 * The original tool was changed to fit in current perf state.
7 *
8 * Original authors:
9 * Don Zickus <dzickus@redhat.com>
10 * Dick Fowles <fowles@inreach.com>
11 * Joe Mario <jmario@redhat.com>
12 */
13 #include <errno.h>
14 #include <inttypes.h>
15 #include <linux/compiler.h>
16 #include <linux/err.h>
17 #include <linux/kernel.h>
18 #include <linux/stringify.h>
19 #include <linux/zalloc.h>
20 #include <asm/bug.h>
21 #include <sys/param.h>
22 #include "debug.h"
23 #include "builtin.h"
24 #include <perf/cpumap.h>
25 #include <subcmd/pager.h>
26 #include <subcmd/parse-options.h>
27 #include "map_symbol.h"
28 #include "mem-events.h"
29 #include "session.h"
30 #include "hist.h"
31 #include "sort.h"
32 #include "tool.h"
33 #include "cacheline.h"
34 #include "data.h"
35 #include "event.h"
36 #include "evlist.h"
37 #include "evsel.h"
38 #include "ui/browsers/hists.h"
39 #include "thread.h"
40 #include "mem2node.h"
41 #include "symbol.h"
42 #include "ui/ui.h"
43 #include "ui/progress.h"
44 #include "../perf.h"
45
46 struct c2c_hists {
47 struct hists hists;
48 struct perf_hpp_list list;
49 struct c2c_stats stats;
50 };
51
52 struct compute_stats {
53 struct stats lcl_hitm;
54 struct stats rmt_hitm;
55 struct stats load;
56 };
57
58 struct c2c_hist_entry {
59 struct c2c_hists *hists;
60 struct c2c_stats stats;
61 unsigned long *cpuset;
62 unsigned long *nodeset;
63 struct c2c_stats *node_stats;
64 unsigned int cacheline_idx;
65
66 struct compute_stats cstats;
67
68 unsigned long paddr;
69 unsigned long paddr_cnt;
70 bool paddr_zero;
71 char *nodestr;
72
73 /*
74 * must be at the end,
75 * because of its callchain dynamic entry
76 */
77 struct hist_entry he;
78 };
79
80 static char const *coalesce_default = "iaddr";
81
82 struct perf_c2c {
83 struct perf_tool tool;
84 struct c2c_hists hists;
85 struct mem2node mem2node;
86
87 unsigned long **nodes;
88 int nodes_cnt;
89 int cpus_cnt;
90 int *cpu2node;
91 int node_info;
92
93 bool show_src;
94 bool show_all;
95 bool use_stdio;
96 bool stats_only;
97 bool symbol_full;
98
99 /* HITM shared clines stats */
100 struct c2c_stats hitm_stats;
101 int shared_clines;
102
103 int display;
104
105 const char *coalesce;
106 char *cl_sort;
107 char *cl_resort;
108 char *cl_output;
109 };
110
111 enum {
112 DISPLAY_LCL,
113 DISPLAY_RMT,
114 DISPLAY_TOT,
115 DISPLAY_MAX,
116 };
117
118 static const char *display_str[DISPLAY_MAX] = {
119 [DISPLAY_LCL] = "Local",
120 [DISPLAY_RMT] = "Remote",
121 [DISPLAY_TOT] = "Total",
122 };
123
124 static const struct option c2c_options[] = {
125 OPT_INCR('v', "verbose", &verbose, "be more verbose (show counter open errors, etc)"),
126 OPT_END()
127 };
128
129 static struct perf_c2c c2c;
130
131 static void *c2c_he_zalloc(size_t size)
132 {
133 struct c2c_hist_entry *c2c_he;
134
135 c2c_he = zalloc(size + sizeof(*c2c_he));
136 if (!c2c_he)
137 return NULL;
138
139 c2c_he->cpuset = bitmap_alloc(c2c.cpus_cnt);
140 if (!c2c_he->cpuset)
141 return NULL;
142
143 c2c_he->nodeset = bitmap_alloc(c2c.nodes_cnt);
144 if (!c2c_he->nodeset)
145 return NULL;
146
147 c2c_he->node_stats = zalloc(c2c.nodes_cnt * sizeof(*c2c_he->node_stats));
148 if (!c2c_he->node_stats)
149 return NULL;
150
151 init_stats(&c2c_he->cstats.lcl_hitm);
152 init_stats(&c2c_he->cstats.rmt_hitm);
153 init_stats(&c2c_he->cstats.load);
154
155 return &c2c_he->he;
156 }
157
158 static void c2c_he_free(void *he)
159 {
160 struct c2c_hist_entry *c2c_he;
161
162 c2c_he = container_of(he, struct c2c_hist_entry, he);
163 if (c2c_he->hists) {
164 hists__delete_entries(&c2c_he->hists->hists);
165 free(c2c_he->hists);
166 }
167
168 free(c2c_he->cpuset);
169 free(c2c_he->nodeset);
170 free(c2c_he->nodestr);
171 free(c2c_he->node_stats);
172 free(c2c_he);
173 }
174
175 static struct hist_entry_ops c2c_entry_ops = {
176 .new = c2c_he_zalloc,
177 .free = c2c_he_free,
178 };
179
180 static int c2c_hists__init(struct c2c_hists *hists,
181 const char *sort,
182 int nr_header_lines);
183
184 static struct c2c_hists*
185 he__get_c2c_hists(struct hist_entry *he,
186 const char *sort,
187 int nr_header_lines)
188 {
189 struct c2c_hist_entry *c2c_he;
190 struct c2c_hists *hists;
191 int ret;
192
193 c2c_he = container_of(he, struct c2c_hist_entry, he);
194 if (c2c_he->hists)
195 return c2c_he->hists;
196
197 hists = c2c_he->hists = zalloc(sizeof(*hists));
198 if (!hists)
199 return NULL;
200
201 ret = c2c_hists__init(hists, sort, nr_header_lines);
202 if (ret) {
203 free(hists);
204 return NULL;
205 }
206
207 return hists;
208 }
209
210 static void c2c_he__set_cpu(struct c2c_hist_entry *c2c_he,
211 struct perf_sample *sample)
212 {
213 if (WARN_ONCE(sample->cpu == (unsigned int) -1,
214 "WARNING: no sample cpu value"))
215 return;
216
217 set_bit(sample->cpu, c2c_he->cpuset);
218 }
219
220 static void c2c_he__set_node(struct c2c_hist_entry *c2c_he,
221 struct perf_sample *sample)
222 {
223 int node;
224
225 if (!sample->phys_addr) {
226 c2c_he->paddr_zero = true;
227 return;
228 }
229
230 node = mem2node__node(&c2c.mem2node, sample->phys_addr);
231 if (WARN_ONCE(node < 0, "WARNING: failed to find node\n"))
232 return;
233
234 set_bit(node, c2c_he->nodeset);
235
236 if (c2c_he->paddr != sample->phys_addr) {
237 c2c_he->paddr_cnt++;
238 c2c_he->paddr = sample->phys_addr;
239 }
240 }
241
242 static void compute_stats(struct c2c_hist_entry *c2c_he,
243 struct c2c_stats *stats,
244 u64 weight)
245 {
246 struct compute_stats *cstats = &c2c_he->cstats;
247
248 if (stats->rmt_hitm)
249 update_stats(&cstats->rmt_hitm, weight);
250 else if (stats->lcl_hitm)
251 update_stats(&cstats->lcl_hitm, weight);
252 else if (stats->load)
253 update_stats(&cstats->load, weight);
254 }
255
256 static int process_sample_event(struct perf_tool *tool __maybe_unused,
257 union perf_event *event,
258 struct perf_sample *sample,
259 struct evsel *evsel,
260 struct machine *machine)
261 {
262 struct c2c_hists *c2c_hists = &c2c.hists;
263 struct c2c_hist_entry *c2c_he;
264 struct c2c_stats stats = { .nr_entries = 0, };
265 struct hist_entry *he;
266 struct addr_location al;
267 struct mem_info *mi, *mi_dup;
268 int ret;
269
270 if (machine__resolve(machine, &al, sample) < 0) {
271 pr_debug("problem processing %d event, skipping it.\n",
272 event->header.type);
273 return -1;
274 }
275
276 ret = sample__resolve_callchain(sample, &callchain_cursor, NULL,
277 evsel, &al, sysctl_perf_event_max_stack);
278 if (ret)
279 goto out;
280
281 mi = sample__resolve_mem(sample, &al);
282 if (mi == NULL)
283 return -ENOMEM;
284
285 /*
286 * The mi object is released in hists__add_entry_ops,
287 * if it gets sorted out into existing data, so we need
288 * to take the copy now.
289 */
290 mi_dup = mem_info__get(mi);
291
292 c2c_decode_stats(&stats, mi);
293
294 he = hists__add_entry_ops(&c2c_hists->hists, &c2c_entry_ops,
295 &al, NULL, NULL, mi,
296 sample, true);
297 if (he == NULL)
298 goto free_mi;
299
300 c2c_he = container_of(he, struct c2c_hist_entry, he);
301 c2c_add_stats(&c2c_he->stats, &stats);
302 c2c_add_stats(&c2c_hists->stats, &stats);
303
304 c2c_he__set_cpu(c2c_he, sample);
305 c2c_he__set_node(c2c_he, sample);
306
307 hists__inc_nr_samples(&c2c_hists->hists, he->filtered);
308 ret = hist_entry__append_callchain(he, sample);
309
310 if (!ret) {
311 /*
312 * There's already been warning about missing
313 * sample's cpu value. Let's account all to
314 * node 0 in this case, without any further
315 * warning.
316 *
317 * Doing node stats only for single callchain data.
318 */
319 int cpu = sample->cpu == (unsigned int) -1 ? 0 : sample->cpu;
320 int node = c2c.cpu2node[cpu];
321
322 mi = mi_dup;
323
324 c2c_hists = he__get_c2c_hists(he, c2c.cl_sort, 2);
325 if (!c2c_hists)
326 goto free_mi;
327
328 he = hists__add_entry_ops(&c2c_hists->hists, &c2c_entry_ops,
329 &al, NULL, NULL, mi,
330 sample, true);
331 if (he == NULL)
332 goto free_mi;
333
334 c2c_he = container_of(he, struct c2c_hist_entry, he);
335 c2c_add_stats(&c2c_he->stats, &stats);
336 c2c_add_stats(&c2c_hists->stats, &stats);
337 c2c_add_stats(&c2c_he->node_stats[node], &stats);
338
339 compute_stats(c2c_he, &stats, sample->weight);
340
341 c2c_he__set_cpu(c2c_he, sample);
342 c2c_he__set_node(c2c_he, sample);
343
344 hists__inc_nr_samples(&c2c_hists->hists, he->filtered);
345 ret = hist_entry__append_callchain(he, sample);
346 }
347
348 out:
349 addr_location__put(&al);
350 return ret;
351
352 free_mi:
353 mem_info__put(mi_dup);
354 mem_info__put(mi);
355 ret = -ENOMEM;
356 goto out;
357 }
358
359 static struct perf_c2c c2c = {
360 .tool = {
361 .sample = process_sample_event,
362 .mmap = perf_event__process_mmap,
363 .mmap2 = perf_event__process_mmap2,
364 .comm = perf_event__process_comm,
365 .exit = perf_event__process_exit,
366 .fork = perf_event__process_fork,
367 .lost = perf_event__process_lost,
368 .ordered_events = true,
369 .ordering_requires_timestamps = true,
370 },
371 };
372
373 static const char * const c2c_usage[] = {
374 "perf c2c {record|report}",
375 NULL
376 };
377
378 static const char * const __usage_report[] = {
379 "perf c2c report",
380 NULL
381 };
382
383 static const char * const *report_c2c_usage = __usage_report;
384
385 #define C2C_HEADER_MAX 2
386
387 struct c2c_header {
388 struct {
389 const char *text;
390 int span;
391 } line[C2C_HEADER_MAX];
392 };
393
394 struct c2c_dimension {
395 struct c2c_header header;
396 const char *name;
397 int width;
398 struct sort_entry *se;
399
400 int64_t (*cmp)(struct perf_hpp_fmt *fmt,
401 struct hist_entry *, struct hist_entry *);
402 int (*entry)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
403 struct hist_entry *he);
404 int (*color)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
405 struct hist_entry *he);
406 };
407
408 struct c2c_fmt {
409 struct perf_hpp_fmt fmt;
410 struct c2c_dimension *dim;
411 };
412
413 #define SYMBOL_WIDTH 30
414
415 static struct c2c_dimension dim_symbol;
416 static struct c2c_dimension dim_srcline;
417
418 static int symbol_width(struct hists *hists, struct sort_entry *se)
419 {
420 int width = hists__col_len(hists, se->se_width_idx);
421
422 if (!c2c.symbol_full)
423 width = MIN(width, SYMBOL_WIDTH);
424
425 return width;
426 }
427
428 static int c2c_width(struct perf_hpp_fmt *fmt,
429 struct perf_hpp *hpp __maybe_unused,
430 struct hists *hists)
431 {
432 struct c2c_fmt *c2c_fmt;
433 struct c2c_dimension *dim;
434
435 c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
436 dim = c2c_fmt->dim;
437
438 if (dim == &dim_symbol || dim == &dim_srcline)
439 return symbol_width(hists, dim->se);
440
441 return dim->se ? hists__col_len(hists, dim->se->se_width_idx) :
442 c2c_fmt->dim->width;
443 }
444
445 static int c2c_header(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
446 struct hists *hists, int line, int *span)
447 {
448 struct perf_hpp_list *hpp_list = hists->hpp_list;
449 struct c2c_fmt *c2c_fmt;
450 struct c2c_dimension *dim;
451 const char *text = NULL;
452 int width = c2c_width(fmt, hpp, hists);
453
454 c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
455 dim = c2c_fmt->dim;
456
457 if (dim->se) {
458 text = dim->header.line[line].text;
459 /* Use the last line from sort_entry if not defined. */
460 if (!text && (line == hpp_list->nr_header_lines - 1))
461 text = dim->se->se_header;
462 } else {
463 text = dim->header.line[line].text;
464
465 if (*span) {
466 (*span)--;
467 return 0;
468 } else {
469 *span = dim->header.line[line].span;
470 }
471 }
472
473 if (text == NULL)
474 text = "";
475
476 return scnprintf(hpp->buf, hpp->size, "%*s", width, text);
477 }
478
479 #define HEX_STR(__s, __v) \
480 ({ \
481 scnprintf(__s, sizeof(__s), "0x%" PRIx64, __v); \
482 __s; \
483 })
484
485 static int64_t
486 dcacheline_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
487 struct hist_entry *left, struct hist_entry *right)
488 {
489 return sort__dcacheline_cmp(left, right);
490 }
491
492 static int dcacheline_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
493 struct hist_entry *he)
494 {
495 uint64_t addr = 0;
496 int width = c2c_width(fmt, hpp, he->hists);
497 char buf[20];
498
499 if (he->mem_info)
500 addr = cl_address(he->mem_info->daddr.addr);
501
502 return scnprintf(hpp->buf, hpp->size, "%*s", width, HEX_STR(buf, addr));
503 }
504
505 static int
506 dcacheline_node_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
507 struct hist_entry *he)
508 {
509 struct c2c_hist_entry *c2c_he;
510 int width = c2c_width(fmt, hpp, he->hists);
511
512 c2c_he = container_of(he, struct c2c_hist_entry, he);
513 if (WARN_ON_ONCE(!c2c_he->nodestr))
514 return 0;
515
516 return scnprintf(hpp->buf, hpp->size, "%*s", width, c2c_he->nodestr);
517 }
518
519 static int
520 dcacheline_node_count(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
521 struct hist_entry *he)
522 {
523 struct c2c_hist_entry *c2c_he;
524 int width = c2c_width(fmt, hpp, he->hists);
525
526 c2c_he = container_of(he, struct c2c_hist_entry, he);
527 return scnprintf(hpp->buf, hpp->size, "%*lu", width, c2c_he->paddr_cnt);
528 }
529
530 static int offset_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
531 struct hist_entry *he)
532 {
533 uint64_t addr = 0;
534 int width = c2c_width(fmt, hpp, he->hists);
535 char buf[20];
536
537 if (he->mem_info)
538 addr = cl_offset(he->mem_info->daddr.al_addr);
539
540 return scnprintf(hpp->buf, hpp->size, "%*s", width, HEX_STR(buf, addr));
541 }
542
543 static int64_t
544 offset_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
545 struct hist_entry *left, struct hist_entry *right)
546 {
547 uint64_t l = 0, r = 0;
548
549 if (left->mem_info)
550 l = cl_offset(left->mem_info->daddr.addr);
551 if (right->mem_info)
552 r = cl_offset(right->mem_info->daddr.addr);
553
554 return (int64_t)(r - l);
555 }
556
557 static int
558 iaddr_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
559 struct hist_entry *he)
560 {
561 uint64_t addr = 0;
562 int width = c2c_width(fmt, hpp, he->hists);
563 char buf[20];
564
565 if (he->mem_info)
566 addr = he->mem_info->iaddr.addr;
567
568 return scnprintf(hpp->buf, hpp->size, "%*s", width, HEX_STR(buf, addr));
569 }
570
571 static int64_t
572 iaddr_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
573 struct hist_entry *left, struct hist_entry *right)
574 {
575 return sort__iaddr_cmp(left, right);
576 }
577
578 static int
579 tot_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
580 struct hist_entry *he)
581 {
582 struct c2c_hist_entry *c2c_he;
583 int width = c2c_width(fmt, hpp, he->hists);
584 unsigned int tot_hitm;
585
586 c2c_he = container_of(he, struct c2c_hist_entry, he);
587 tot_hitm = c2c_he->stats.lcl_hitm + c2c_he->stats.rmt_hitm;
588
589 return scnprintf(hpp->buf, hpp->size, "%*u", width, tot_hitm);
590 }
591
592 static int64_t
593 tot_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
594 struct hist_entry *left, struct hist_entry *right)
595 {
596 struct c2c_hist_entry *c2c_left;
597 struct c2c_hist_entry *c2c_right;
598 uint64_t tot_hitm_left;
599 uint64_t tot_hitm_right;
600
601 c2c_left = container_of(left, struct c2c_hist_entry, he);
602 c2c_right = container_of(right, struct c2c_hist_entry, he);
603
604 tot_hitm_left = c2c_left->stats.lcl_hitm + c2c_left->stats.rmt_hitm;
605 tot_hitm_right = c2c_right->stats.lcl_hitm + c2c_right->stats.rmt_hitm;
606
607 return tot_hitm_left - tot_hitm_right;
608 }
609
610 #define STAT_FN_ENTRY(__f) \
611 static int \
612 __f ## _entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, \
613 struct hist_entry *he) \
614 { \
615 struct c2c_hist_entry *c2c_he; \
616 int width = c2c_width(fmt, hpp, he->hists); \
617 \
618 c2c_he = container_of(he, struct c2c_hist_entry, he); \
619 return scnprintf(hpp->buf, hpp->size, "%*u", width, \
620 c2c_he->stats.__f); \
621 }
622
623 #define STAT_FN_CMP(__f) \
624 static int64_t \
625 __f ## _cmp(struct perf_hpp_fmt *fmt __maybe_unused, \
626 struct hist_entry *left, struct hist_entry *right) \
627 { \
628 struct c2c_hist_entry *c2c_left, *c2c_right; \
629 \
630 c2c_left = container_of(left, struct c2c_hist_entry, he); \
631 c2c_right = container_of(right, struct c2c_hist_entry, he); \
632 return (uint64_t) c2c_left->stats.__f - \
633 (uint64_t) c2c_right->stats.__f; \
634 }
635
636 #define STAT_FN(__f) \
637 STAT_FN_ENTRY(__f) \
638 STAT_FN_CMP(__f)
639
640 STAT_FN(rmt_hitm)
641 STAT_FN(lcl_hitm)
642 STAT_FN(store)
643 STAT_FN(st_l1hit)
644 STAT_FN(st_l1miss)
645 STAT_FN(ld_fbhit)
646 STAT_FN(ld_l1hit)
647 STAT_FN(ld_l2hit)
648 STAT_FN(ld_llchit)
649 STAT_FN(rmt_hit)
650
651 static uint64_t llc_miss(struct c2c_stats *stats)
652 {
653 uint64_t llcmiss;
654
655 llcmiss = stats->lcl_dram +
656 stats->rmt_dram +
657 stats->rmt_hitm +
658 stats->rmt_hit;
659
660 return llcmiss;
661 }
662
663 static int
664 ld_llcmiss_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
665 struct hist_entry *he)
666 {
667 struct c2c_hist_entry *c2c_he;
668 int width = c2c_width(fmt, hpp, he->hists);
669
670 c2c_he = container_of(he, struct c2c_hist_entry, he);
671
672 return scnprintf(hpp->buf, hpp->size, "%*lu", width,
673 llc_miss(&c2c_he->stats));
674 }
675
676 static int64_t
677 ld_llcmiss_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
678 struct hist_entry *left, struct hist_entry *right)
679 {
680 struct c2c_hist_entry *c2c_left;
681 struct c2c_hist_entry *c2c_right;
682
683 c2c_left = container_of(left, struct c2c_hist_entry, he);
684 c2c_right = container_of(right, struct c2c_hist_entry, he);
685
686 return (uint64_t) llc_miss(&c2c_left->stats) -
687 (uint64_t) llc_miss(&c2c_right->stats);
688 }
689
690 static uint64_t total_records(struct c2c_stats *stats)
691 {
692 uint64_t lclmiss, ldcnt, total;
693
694 lclmiss = stats->lcl_dram +
695 stats->rmt_dram +
696 stats->rmt_hitm +
697 stats->rmt_hit;
698
699 ldcnt = lclmiss +
700 stats->ld_fbhit +
701 stats->ld_l1hit +
702 stats->ld_l2hit +
703 stats->ld_llchit +
704 stats->lcl_hitm;
705
706 total = ldcnt +
707 stats->st_l1hit +
708 stats->st_l1miss;
709
710 return total;
711 }
712
713 static int
714 tot_recs_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
715 struct hist_entry *he)
716 {
717 struct c2c_hist_entry *c2c_he;
718 int width = c2c_width(fmt, hpp, he->hists);
719 uint64_t tot_recs;
720
721 c2c_he = container_of(he, struct c2c_hist_entry, he);
722 tot_recs = total_records(&c2c_he->stats);
723
724 return scnprintf(hpp->buf, hpp->size, "%*" PRIu64, width, tot_recs);
725 }
726
727 static int64_t
728 tot_recs_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
729 struct hist_entry *left, struct hist_entry *right)
730 {
731 struct c2c_hist_entry *c2c_left;
732 struct c2c_hist_entry *c2c_right;
733 uint64_t tot_recs_left;
734 uint64_t tot_recs_right;
735
736 c2c_left = container_of(left, struct c2c_hist_entry, he);
737 c2c_right = container_of(right, struct c2c_hist_entry, he);
738
739 tot_recs_left = total_records(&c2c_left->stats);
740 tot_recs_right = total_records(&c2c_right->stats);
741
742 return tot_recs_left - tot_recs_right;
743 }
744
745 static uint64_t total_loads(struct c2c_stats *stats)
746 {
747 uint64_t lclmiss, ldcnt;
748
749 lclmiss = stats->lcl_dram +
750 stats->rmt_dram +
751 stats->rmt_hitm +
752 stats->rmt_hit;
753
754 ldcnt = lclmiss +
755 stats->ld_fbhit +
756 stats->ld_l1hit +
757 stats->ld_l2hit +
758 stats->ld_llchit +
759 stats->lcl_hitm;
760
761 return ldcnt;
762 }
763
764 static int
765 tot_loads_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
766 struct hist_entry *he)
767 {
768 struct c2c_hist_entry *c2c_he;
769 int width = c2c_width(fmt, hpp, he->hists);
770 uint64_t tot_recs;
771
772 c2c_he = container_of(he, struct c2c_hist_entry, he);
773 tot_recs = total_loads(&c2c_he->stats);
774
775 return scnprintf(hpp->buf, hpp->size, "%*" PRIu64, width, tot_recs);
776 }
777
778 static int64_t
779 tot_loads_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
780 struct hist_entry *left, struct hist_entry *right)
781 {
782 struct c2c_hist_entry *c2c_left;
783 struct c2c_hist_entry *c2c_right;
784 uint64_t tot_recs_left;
785 uint64_t tot_recs_right;
786
787 c2c_left = container_of(left, struct c2c_hist_entry, he);
788 c2c_right = container_of(right, struct c2c_hist_entry, he);
789
790 tot_recs_left = total_loads(&c2c_left->stats);
791 tot_recs_right = total_loads(&c2c_right->stats);
792
793 return tot_recs_left - tot_recs_right;
794 }
795
796 typedef double (get_percent_cb)(struct c2c_hist_entry *);
797
798 static int
799 percent_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
800 struct hist_entry *he, get_percent_cb get_percent)
801 {
802 struct c2c_hist_entry *c2c_he;
803 int width = c2c_width(fmt, hpp, he->hists);
804 double per;
805
806 c2c_he = container_of(he, struct c2c_hist_entry, he);
807 per = get_percent(c2c_he);
808
809 #ifdef HAVE_SLANG_SUPPORT
810 if (use_browser)
811 return __hpp__slsmg_color_printf(hpp, "%*.2f%%", width - 1, per);
812 #endif
813 return hpp_color_scnprintf(hpp, "%*.2f%%", width - 1, per);
814 }
815
816 static double percent_hitm(struct c2c_hist_entry *c2c_he)
817 {
818 struct c2c_hists *hists;
819 struct c2c_stats *stats;
820 struct c2c_stats *total;
821 int tot = 0, st = 0;
822 double p;
823
824 hists = container_of(c2c_he->he.hists, struct c2c_hists, hists);
825 stats = &c2c_he->stats;
826 total = &hists->stats;
827
828 switch (c2c.display) {
829 case DISPLAY_RMT:
830 st = stats->rmt_hitm;
831 tot = total->rmt_hitm;
832 break;
833 case DISPLAY_LCL:
834 st = stats->lcl_hitm;
835 tot = total->lcl_hitm;
836 break;
837 case DISPLAY_TOT:
838 st = stats->tot_hitm;
839 tot = total->tot_hitm;
840 default:
841 break;
842 }
843
844 p = tot ? (double) st / tot : 0;
845
846 return 100 * p;
847 }
848
849 #define PERC_STR(__s, __v) \
850 ({ \
851 scnprintf(__s, sizeof(__s), "%.2F%%", __v); \
852 __s; \
853 })
854
855 static int
856 percent_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
857 struct hist_entry *he)
858 {
859 struct c2c_hist_entry *c2c_he;
860 int width = c2c_width(fmt, hpp, he->hists);
861 char buf[10];
862 double per;
863
864 c2c_he = container_of(he, struct c2c_hist_entry, he);
865 per = percent_hitm(c2c_he);
866 return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
867 }
868
869 static int
870 percent_hitm_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
871 struct hist_entry *he)
872 {
873 return percent_color(fmt, hpp, he, percent_hitm);
874 }
875
876 static int64_t
877 percent_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
878 struct hist_entry *left, struct hist_entry *right)
879 {
880 struct c2c_hist_entry *c2c_left;
881 struct c2c_hist_entry *c2c_right;
882 double per_left;
883 double per_right;
884
885 c2c_left = container_of(left, struct c2c_hist_entry, he);
886 c2c_right = container_of(right, struct c2c_hist_entry, he);
887
888 per_left = percent_hitm(c2c_left);
889 per_right = percent_hitm(c2c_right);
890
891 return per_left - per_right;
892 }
893
894 static struct c2c_stats *he_stats(struct hist_entry *he)
895 {
896 struct c2c_hist_entry *c2c_he;
897
898 c2c_he = container_of(he, struct c2c_hist_entry, he);
899 return &c2c_he->stats;
900 }
901
902 static struct c2c_stats *total_stats(struct hist_entry *he)
903 {
904 struct c2c_hists *hists;
905
906 hists = container_of(he->hists, struct c2c_hists, hists);
907 return &hists->stats;
908 }
909
910 static double percent(int st, int tot)
911 {
912 return tot ? 100. * (double) st / (double) tot : 0;
913 }
914
915 #define PERCENT(__h, __f) percent(he_stats(__h)->__f, total_stats(__h)->__f)
916
917 #define PERCENT_FN(__f) \
918 static double percent_ ## __f(struct c2c_hist_entry *c2c_he) \
919 { \
920 struct c2c_hists *hists; \
921 \
922 hists = container_of(c2c_he->he.hists, struct c2c_hists, hists); \
923 return percent(c2c_he->stats.__f, hists->stats.__f); \
924 }
925
926 PERCENT_FN(rmt_hitm)
927 PERCENT_FN(lcl_hitm)
928 PERCENT_FN(st_l1hit)
929 PERCENT_FN(st_l1miss)
930
931 static int
932 percent_rmt_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
933 struct hist_entry *he)
934 {
935 int width = c2c_width(fmt, hpp, he->hists);
936 double per = PERCENT(he, rmt_hitm);
937 char buf[10];
938
939 return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
940 }
941
942 static int
943 percent_rmt_hitm_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
944 struct hist_entry *he)
945 {
946 return percent_color(fmt, hpp, he, percent_rmt_hitm);
947 }
948
949 static int64_t
950 percent_rmt_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
951 struct hist_entry *left, struct hist_entry *right)
952 {
953 double per_left;
954 double per_right;
955
956 per_left = PERCENT(left, lcl_hitm);
957 per_right = PERCENT(right, lcl_hitm);
958
959 return per_left - per_right;
960 }
961
962 static int
963 percent_lcl_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
964 struct hist_entry *he)
965 {
966 int width = c2c_width(fmt, hpp, he->hists);
967 double per = PERCENT(he, lcl_hitm);
968 char buf[10];
969
970 return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
971 }
972
973 static int
974 percent_lcl_hitm_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
975 struct hist_entry *he)
976 {
977 return percent_color(fmt, hpp, he, percent_lcl_hitm);
978 }
979
980 static int64_t
981 percent_lcl_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
982 struct hist_entry *left, struct hist_entry *right)
983 {
984 double per_left;
985 double per_right;
986
987 per_left = PERCENT(left, lcl_hitm);
988 per_right = PERCENT(right, lcl_hitm);
989
990 return per_left - per_right;
991 }
992
993 static int
994 percent_stores_l1hit_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
995 struct hist_entry *he)
996 {
997 int width = c2c_width(fmt, hpp, he->hists);
998 double per = PERCENT(he, st_l1hit);
999 char buf[10];
1000
1001 return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
1002 }
1003
1004 static int
1005 percent_stores_l1hit_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1006 struct hist_entry *he)
1007 {
1008 return percent_color(fmt, hpp, he, percent_st_l1hit);
1009 }
1010
1011 static int64_t
1012 percent_stores_l1hit_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
1013 struct hist_entry *left, struct hist_entry *right)
1014 {
1015 double per_left;
1016 double per_right;
1017
1018 per_left = PERCENT(left, st_l1hit);
1019 per_right = PERCENT(right, st_l1hit);
1020
1021 return per_left - per_right;
1022 }
1023
1024 static int
1025 percent_stores_l1miss_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1026 struct hist_entry *he)
1027 {
1028 int width = c2c_width(fmt, hpp, he->hists);
1029 double per = PERCENT(he, st_l1miss);
1030 char buf[10];
1031
1032 return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
1033 }
1034
1035 static int
1036 percent_stores_l1miss_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1037 struct hist_entry *he)
1038 {
1039 return percent_color(fmt, hpp, he, percent_st_l1miss);
1040 }
1041
1042 static int64_t
1043 percent_stores_l1miss_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
1044 struct hist_entry *left, struct hist_entry *right)
1045 {
1046 double per_left;
1047 double per_right;
1048
1049 per_left = PERCENT(left, st_l1miss);
1050 per_right = PERCENT(right, st_l1miss);
1051
1052 return per_left - per_right;
1053 }
1054
1055 STAT_FN(lcl_dram)
1056 STAT_FN(rmt_dram)
1057
1058 static int
1059 pid_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1060 struct hist_entry *he)
1061 {
1062 int width = c2c_width(fmt, hpp, he->hists);
1063
1064 return scnprintf(hpp->buf, hpp->size, "%*d", width, he->thread->pid_);
1065 }
1066
1067 static int64_t
1068 pid_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
1069 struct hist_entry *left, struct hist_entry *right)
1070 {
1071 return left->thread->pid_ - right->thread->pid_;
1072 }
1073
1074 static int64_t
1075 empty_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
1076 struct hist_entry *left __maybe_unused,
1077 struct hist_entry *right __maybe_unused)
1078 {
1079 return 0;
1080 }
1081
1082 static int
1083 node_entry(struct perf_hpp_fmt *fmt __maybe_unused, struct perf_hpp *hpp,
1084 struct hist_entry *he)
1085 {
1086 struct c2c_hist_entry *c2c_he;
1087 bool first = true;
1088 int node;
1089 int ret = 0;
1090
1091 c2c_he = container_of(he, struct c2c_hist_entry, he);
1092
1093 for (node = 0; node < c2c.nodes_cnt; node++) {
1094 DECLARE_BITMAP(set, c2c.cpus_cnt);
1095
1096 bitmap_zero(set, c2c.cpus_cnt);
1097 bitmap_and(set, c2c_he->cpuset, c2c.nodes[node], c2c.cpus_cnt);
1098
1099 if (!bitmap_weight(set, c2c.cpus_cnt)) {
1100 if (c2c.node_info == 1) {
1101 ret = scnprintf(hpp->buf, hpp->size, "%21s", " ");
1102 advance_hpp(hpp, ret);
1103 }
1104 continue;
1105 }
1106
1107 if (!first) {
1108 ret = scnprintf(hpp->buf, hpp->size, " ");
1109 advance_hpp(hpp, ret);
1110 }
1111
1112 switch (c2c.node_info) {
1113 case 0:
1114 ret = scnprintf(hpp->buf, hpp->size, "%2d", node);
1115 advance_hpp(hpp, ret);
1116 break;
1117 case 1:
1118 {
1119 int num = bitmap_weight(set, c2c.cpus_cnt);
1120 struct c2c_stats *stats = &c2c_he->node_stats[node];
1121
1122 ret = scnprintf(hpp->buf, hpp->size, "%2d{%2d ", node, num);
1123 advance_hpp(hpp, ret);
1124
1125 #define DISPLAY_HITM(__h) \
1126 if (c2c_he->stats.__h> 0) { \
1127 ret = scnprintf(hpp->buf, hpp->size, "%5.1f%% ", \
1128 percent(stats->__h, c2c_he->stats.__h));\
1129 } else { \
1130 ret = scnprintf(hpp->buf, hpp->size, "%6s ", "n/a"); \
1131 }
1132
1133 switch (c2c.display) {
1134 case DISPLAY_RMT:
1135 DISPLAY_HITM(rmt_hitm);
1136 break;
1137 case DISPLAY_LCL:
1138 DISPLAY_HITM(lcl_hitm);
1139 break;
1140 case DISPLAY_TOT:
1141 DISPLAY_HITM(tot_hitm);
1142 default:
1143 break;
1144 }
1145
1146 #undef DISPLAY_HITM
1147
1148 advance_hpp(hpp, ret);
1149
1150 if (c2c_he->stats.store > 0) {
1151 ret = scnprintf(hpp->buf, hpp->size, "%5.1f%%}",
1152 percent(stats->store, c2c_he->stats.store));
1153 } else {
1154 ret = scnprintf(hpp->buf, hpp->size, "%6s}", "n/a");
1155 }
1156
1157 advance_hpp(hpp, ret);
1158 break;
1159 }
1160 case 2:
1161 ret = scnprintf(hpp->buf, hpp->size, "%2d{", node);
1162 advance_hpp(hpp, ret);
1163
1164 ret = bitmap_scnprintf(set, c2c.cpus_cnt, hpp->buf, hpp->size);
1165 advance_hpp(hpp, ret);
1166
1167 ret = scnprintf(hpp->buf, hpp->size, "}");
1168 advance_hpp(hpp, ret);
1169 break;
1170 default:
1171 break;
1172 }
1173
1174 first = false;
1175 }
1176
1177 return 0;
1178 }
1179
1180 static int
1181 mean_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1182 struct hist_entry *he, double mean)
1183 {
1184 int width = c2c_width(fmt, hpp, he->hists);
1185 char buf[10];
1186
1187 scnprintf(buf, 10, "%6.0f", mean);
1188 return scnprintf(hpp->buf, hpp->size, "%*s", width, buf);
1189 }
1190
1191 #define MEAN_ENTRY(__func, __val) \
1192 static int \
1193 __func(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, struct hist_entry *he) \
1194 { \
1195 struct c2c_hist_entry *c2c_he; \
1196 c2c_he = container_of(he, struct c2c_hist_entry, he); \
1197 return mean_entry(fmt, hpp, he, avg_stats(&c2c_he->cstats.__val)); \
1198 }
1199
1200 MEAN_ENTRY(mean_rmt_entry, rmt_hitm);
1201 MEAN_ENTRY(mean_lcl_entry, lcl_hitm);
1202 MEAN_ENTRY(mean_load_entry, load);
1203
1204 static int
1205 cpucnt_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1206 struct hist_entry *he)
1207 {
1208 struct c2c_hist_entry *c2c_he;
1209 int width = c2c_width(fmt, hpp, he->hists);
1210 char buf[10];
1211
1212 c2c_he = container_of(he, struct c2c_hist_entry, he);
1213
1214 scnprintf(buf, 10, "%d", bitmap_weight(c2c_he->cpuset, c2c.cpus_cnt));
1215 return scnprintf(hpp->buf, hpp->size, "%*s", width, buf);
1216 }
1217
1218 static int
1219 cl_idx_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1220 struct hist_entry *he)
1221 {
1222 struct c2c_hist_entry *c2c_he;
1223 int width = c2c_width(fmt, hpp, he->hists);
1224 char buf[10];
1225
1226 c2c_he = container_of(he, struct c2c_hist_entry, he);
1227
1228 scnprintf(buf, 10, "%u", c2c_he->cacheline_idx);
1229 return scnprintf(hpp->buf, hpp->size, "%*s", width, buf);
1230 }
1231
1232 static int
1233 cl_idx_empty_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1234 struct hist_entry *he)
1235 {
1236 int width = c2c_width(fmt, hpp, he->hists);
1237
1238 return scnprintf(hpp->buf, hpp->size, "%*s", width, "");
1239 }
1240
1241 #define HEADER_LOW(__h) \
1242 { \
1243 .line[1] = { \
1244 .text = __h, \
1245 }, \
1246 }
1247
1248 #define HEADER_BOTH(__h0, __h1) \
1249 { \
1250 .line[0] = { \
1251 .text = __h0, \
1252 }, \
1253 .line[1] = { \
1254 .text = __h1, \
1255 }, \
1256 }
1257
1258 #define HEADER_SPAN(__h0, __h1, __s) \
1259 { \
1260 .line[0] = { \
1261 .text = __h0, \
1262 .span = __s, \
1263 }, \
1264 .line[1] = { \
1265 .text = __h1, \
1266 }, \
1267 }
1268
1269 #define HEADER_SPAN_LOW(__h) \
1270 { \
1271 .line[1] = { \
1272 .text = __h, \
1273 }, \
1274 }
1275
1276 static struct c2c_dimension dim_dcacheline = {
1277 .header = HEADER_SPAN("--- Cacheline ----", "Address", 2),
1278 .name = "dcacheline",
1279 .cmp = dcacheline_cmp,
1280 .entry = dcacheline_entry,
1281 .width = 18,
1282 };
1283
1284 static struct c2c_dimension dim_dcacheline_node = {
1285 .header = HEADER_LOW("Node"),
1286 .name = "dcacheline_node",
1287 .cmp = empty_cmp,
1288 .entry = dcacheline_node_entry,
1289 .width = 4,
1290 };
1291
1292 static struct c2c_dimension dim_dcacheline_count = {
1293 .header = HEADER_LOW("PA cnt"),
1294 .name = "dcacheline_count",
1295 .cmp = empty_cmp,
1296 .entry = dcacheline_node_count,
1297 .width = 6,
1298 };
1299
1300 static struct c2c_header header_offset_tui = HEADER_SPAN("-----", "Off", 2);
1301
1302 static struct c2c_dimension dim_offset = {
1303 .header = HEADER_SPAN("--- Data address -", "Offset", 2),
1304 .name = "offset",
1305 .cmp = offset_cmp,
1306 .entry = offset_entry,
1307 .width = 18,
1308 };
1309
1310 static struct c2c_dimension dim_offset_node = {
1311 .header = HEADER_LOW("Node"),
1312 .name = "offset_node",
1313 .cmp = empty_cmp,
1314 .entry = dcacheline_node_entry,
1315 .width = 4,
1316 };
1317
1318 static struct c2c_dimension dim_iaddr = {
1319 .header = HEADER_LOW("Code address"),
1320 .name = "iaddr",
1321 .cmp = iaddr_cmp,
1322 .entry = iaddr_entry,
1323 .width = 18,
1324 };
1325
1326 static struct c2c_dimension dim_tot_hitm = {
1327 .header = HEADER_SPAN("----- LLC Load Hitm -----", "Total", 2),
1328 .name = "tot_hitm",
1329 .cmp = tot_hitm_cmp,
1330 .entry = tot_hitm_entry,
1331 .width = 7,
1332 };
1333
1334 static struct c2c_dimension dim_lcl_hitm = {
1335 .header = HEADER_SPAN_LOW("Lcl"),
1336 .name = "lcl_hitm",
1337 .cmp = lcl_hitm_cmp,
1338 .entry = lcl_hitm_entry,
1339 .width = 7,
1340 };
1341
1342 static struct c2c_dimension dim_rmt_hitm = {
1343 .header = HEADER_SPAN_LOW("Rmt"),
1344 .name = "rmt_hitm",
1345 .cmp = rmt_hitm_cmp,
1346 .entry = rmt_hitm_entry,
1347 .width = 7,
1348 };
1349
1350 static struct c2c_dimension dim_cl_rmt_hitm = {
1351 .header = HEADER_SPAN("----- HITM -----", "Rmt", 1),
1352 .name = "cl_rmt_hitm",
1353 .cmp = rmt_hitm_cmp,
1354 .entry = rmt_hitm_entry,
1355 .width = 7,
1356 };
1357
1358 static struct c2c_dimension dim_cl_lcl_hitm = {
1359 .header = HEADER_SPAN_LOW("Lcl"),
1360 .name = "cl_lcl_hitm",
1361 .cmp = lcl_hitm_cmp,
1362 .entry = lcl_hitm_entry,
1363 .width = 7,
1364 };
1365
1366 static struct c2c_dimension dim_stores = {
1367 .header = HEADER_SPAN("---- Store Reference ----", "Total", 2),
1368 .name = "stores",
1369 .cmp = store_cmp,
1370 .entry = store_entry,
1371 .width = 7,
1372 };
1373
1374 static struct c2c_dimension dim_stores_l1hit = {
1375 .header = HEADER_SPAN_LOW("L1Hit"),
1376 .name = "stores_l1hit",
1377 .cmp = st_l1hit_cmp,
1378 .entry = st_l1hit_entry,
1379 .width = 7,
1380 };
1381
1382 static struct c2c_dimension dim_stores_l1miss = {
1383 .header = HEADER_SPAN_LOW("L1Miss"),
1384 .name = "stores_l1miss",
1385 .cmp = st_l1miss_cmp,
1386 .entry = st_l1miss_entry,
1387 .width = 7,
1388 };
1389
1390 static struct c2c_dimension dim_cl_stores_l1hit = {
1391 .header = HEADER_SPAN("-- Store Refs --", "L1 Hit", 1),
1392 .name = "cl_stores_l1hit",
1393 .cmp = st_l1hit_cmp,
1394 .entry = st_l1hit_entry,
1395 .width = 7,
1396 };
1397
1398 static struct c2c_dimension dim_cl_stores_l1miss = {
1399 .header = HEADER_SPAN_LOW("L1 Miss"),
1400 .name = "cl_stores_l1miss",
1401 .cmp = st_l1miss_cmp,
1402 .entry = st_l1miss_entry,
1403 .width = 7,
1404 };
1405
1406 static struct c2c_dimension dim_ld_fbhit = {
1407 .header = HEADER_SPAN("----- Core Load Hit -----", "FB", 2),
1408 .name = "ld_fbhit",
1409 .cmp = ld_fbhit_cmp,
1410 .entry = ld_fbhit_entry,
1411 .width = 7,
1412 };
1413
1414 static struct c2c_dimension dim_ld_l1hit = {
1415 .header = HEADER_SPAN_LOW("L1"),
1416 .name = "ld_l1hit",
1417 .cmp = ld_l1hit_cmp,
1418 .entry = ld_l1hit_entry,
1419 .width = 7,
1420 };
1421
1422 static struct c2c_dimension dim_ld_l2hit = {
1423 .header = HEADER_SPAN_LOW("L2"),
1424 .name = "ld_l2hit",
1425 .cmp = ld_l2hit_cmp,
1426 .entry = ld_l2hit_entry,
1427 .width = 7,
1428 };
1429
1430 static struct c2c_dimension dim_ld_llchit = {
1431 .header = HEADER_SPAN("-- LLC Load Hit --", "Llc", 1),
1432 .name = "ld_lclhit",
1433 .cmp = ld_llchit_cmp,
1434 .entry = ld_llchit_entry,
1435 .width = 8,
1436 };
1437
1438 static struct c2c_dimension dim_ld_rmthit = {
1439 .header = HEADER_SPAN_LOW("Rmt"),
1440 .name = "ld_rmthit",
1441 .cmp = rmt_hit_cmp,
1442 .entry = rmt_hit_entry,
1443 .width = 8,
1444 };
1445
1446 static struct c2c_dimension dim_ld_llcmiss = {
1447 .header = HEADER_BOTH("LLC", "Ld Miss"),
1448 .name = "ld_llcmiss",
1449 .cmp = ld_llcmiss_cmp,
1450 .entry = ld_llcmiss_entry,
1451 .width = 7,
1452 };
1453
1454 static struct c2c_dimension dim_tot_recs = {
1455 .header = HEADER_BOTH("Total", "records"),
1456 .name = "tot_recs",
1457 .cmp = tot_recs_cmp,
1458 .entry = tot_recs_entry,
1459 .width = 7,
1460 };
1461
1462 static struct c2c_dimension dim_tot_loads = {
1463 .header = HEADER_BOTH("Total", "Loads"),
1464 .name = "tot_loads",
1465 .cmp = tot_loads_cmp,
1466 .entry = tot_loads_entry,
1467 .width = 7,
1468 };
1469
1470 static struct c2c_header percent_hitm_header[] = {
1471 [DISPLAY_LCL] = HEADER_BOTH("Lcl", "Hitm"),
1472 [DISPLAY_RMT] = HEADER_BOTH("Rmt", "Hitm"),
1473 [DISPLAY_TOT] = HEADER_BOTH("Tot", "Hitm"),
1474 };
1475
1476 static struct c2c_dimension dim_percent_hitm = {
1477 .name = "percent_hitm",
1478 .cmp = percent_hitm_cmp,
1479 .entry = percent_hitm_entry,
1480 .color = percent_hitm_color,
1481 .width = 7,
1482 };
1483
1484 static struct c2c_dimension dim_percent_rmt_hitm = {
1485 .header = HEADER_SPAN("----- HITM -----", "Rmt", 1),
1486 .name = "percent_rmt_hitm",
1487 .cmp = percent_rmt_hitm_cmp,
1488 .entry = percent_rmt_hitm_entry,
1489 .color = percent_rmt_hitm_color,
1490 .width = 7,
1491 };
1492
1493 static struct c2c_dimension dim_percent_lcl_hitm = {
1494 .header = HEADER_SPAN_LOW("Lcl"),
1495 .name = "percent_lcl_hitm",
1496 .cmp = percent_lcl_hitm_cmp,
1497 .entry = percent_lcl_hitm_entry,
1498 .color = percent_lcl_hitm_color,
1499 .width = 7,
1500 };
1501
1502 static struct c2c_dimension dim_percent_stores_l1hit = {
1503 .header = HEADER_SPAN("-- Store Refs --", "L1 Hit", 1),
1504 .name = "percent_stores_l1hit",
1505 .cmp = percent_stores_l1hit_cmp,
1506 .entry = percent_stores_l1hit_entry,
1507 .color = percent_stores_l1hit_color,
1508 .width = 7,
1509 };
1510
1511 static struct c2c_dimension dim_percent_stores_l1miss = {
1512 .header = HEADER_SPAN_LOW("L1 Miss"),
1513 .name = "percent_stores_l1miss",
1514 .cmp = percent_stores_l1miss_cmp,
1515 .entry = percent_stores_l1miss_entry,
1516 .color = percent_stores_l1miss_color,
1517 .width = 7,
1518 };
1519
1520 static struct c2c_dimension dim_dram_lcl = {
1521 .header = HEADER_SPAN("--- Load Dram ----", "Lcl", 1),
1522 .name = "dram_lcl",
1523 .cmp = lcl_dram_cmp,
1524 .entry = lcl_dram_entry,
1525 .width = 8,
1526 };
1527
1528 static struct c2c_dimension dim_dram_rmt = {
1529 .header = HEADER_SPAN_LOW("Rmt"),
1530 .name = "dram_rmt",
1531 .cmp = rmt_dram_cmp,
1532 .entry = rmt_dram_entry,
1533 .width = 8,
1534 };
1535
1536 static struct c2c_dimension dim_pid = {
1537 .header = HEADER_LOW("Pid"),
1538 .name = "pid",
1539 .cmp = pid_cmp,
1540 .entry = pid_entry,
1541 .width = 7,
1542 };
1543
1544 static struct c2c_dimension dim_tid = {
1545 .header = HEADER_LOW("Tid"),
1546 .name = "tid",
1547 .se = &sort_thread,
1548 };
1549
1550 static struct c2c_dimension dim_symbol = {
1551 .name = "symbol",
1552 .se = &sort_sym,
1553 };
1554
1555 static struct c2c_dimension dim_dso = {
1556 .header = HEADER_BOTH("Shared", "Object"),
1557 .name = "dso",
1558 .se = &sort_dso,
1559 };
1560
1561 static struct c2c_header header_node[3] = {
1562 HEADER_LOW("Node"),
1563 HEADER_LOW("Node{cpus %hitms %stores}"),
1564 HEADER_LOW("Node{cpu list}"),
1565 };
1566
1567 static struct c2c_dimension dim_node = {
1568 .name = "node",
1569 .cmp = empty_cmp,
1570 .entry = node_entry,
1571 .width = 4,
1572 };
1573
1574 static struct c2c_dimension dim_mean_rmt = {
1575 .header = HEADER_SPAN("---------- cycles ----------", "rmt hitm", 2),
1576 .name = "mean_rmt",
1577 .cmp = empty_cmp,
1578 .entry = mean_rmt_entry,
1579 .width = 8,
1580 };
1581
1582 static struct c2c_dimension dim_mean_lcl = {
1583 .header = HEADER_SPAN_LOW("lcl hitm"),
1584 .name = "mean_lcl",
1585 .cmp = empty_cmp,
1586 .entry = mean_lcl_entry,
1587 .width = 8,
1588 };
1589
1590 static struct c2c_dimension dim_mean_load = {
1591 .header = HEADER_SPAN_LOW("load"),
1592 .name = "mean_load",
1593 .cmp = empty_cmp,
1594 .entry = mean_load_entry,
1595 .width = 8,
1596 };
1597
1598 static struct c2c_dimension dim_cpucnt = {
1599 .header = HEADER_BOTH("cpu", "cnt"),
1600 .name = "cpucnt",
1601 .cmp = empty_cmp,
1602 .entry = cpucnt_entry,
1603 .width = 8,
1604 };
1605
1606 static struct c2c_dimension dim_srcline = {
1607 .name = "cl_srcline",
1608 .se = &sort_srcline,
1609 };
1610
1611 static struct c2c_dimension dim_dcacheline_idx = {
1612 .header = HEADER_LOW("Index"),
1613 .name = "cl_idx",
1614 .cmp = empty_cmp,
1615 .entry = cl_idx_entry,
1616 .width = 5,
1617 };
1618
1619 static struct c2c_dimension dim_dcacheline_num = {
1620 .header = HEADER_LOW("Num"),
1621 .name = "cl_num",
1622 .cmp = empty_cmp,
1623 .entry = cl_idx_entry,
1624 .width = 5,
1625 };
1626
1627 static struct c2c_dimension dim_dcacheline_num_empty = {
1628 .header = HEADER_LOW("Num"),
1629 .name = "cl_num_empty",
1630 .cmp = empty_cmp,
1631 .entry = cl_idx_empty_entry,
1632 .width = 5,
1633 };
1634
1635 static struct c2c_dimension *dimensions[] = {
1636 &dim_dcacheline,
1637 &dim_dcacheline_node,
1638 &dim_dcacheline_count,
1639 &dim_offset,
1640 &dim_offset_node,
1641 &dim_iaddr,
1642 &dim_tot_hitm,
1643 &dim_lcl_hitm,
1644 &dim_rmt_hitm,
1645 &dim_cl_lcl_hitm,
1646 &dim_cl_rmt_hitm,
1647 &dim_stores,
1648 &dim_stores_l1hit,
1649 &dim_stores_l1miss,
1650 &dim_cl_stores_l1hit,
1651 &dim_cl_stores_l1miss,
1652 &dim_ld_fbhit,
1653 &dim_ld_l1hit,
1654 &dim_ld_l2hit,
1655 &dim_ld_llchit,
1656 &dim_ld_rmthit,
1657 &dim_ld_llcmiss,
1658 &dim_tot_recs,
1659 &dim_tot_loads,
1660 &dim_percent_hitm,
1661 &dim_percent_rmt_hitm,
1662 &dim_percent_lcl_hitm,
1663 &dim_percent_stores_l1hit,
1664 &dim_percent_stores_l1miss,
1665 &dim_dram_lcl,
1666 &dim_dram_rmt,
1667 &dim_pid,
1668 &dim_tid,
1669 &dim_symbol,
1670 &dim_dso,
1671 &dim_node,
1672 &dim_mean_rmt,
1673 &dim_mean_lcl,
1674 &dim_mean_load,
1675 &dim_cpucnt,
1676 &dim_srcline,
1677 &dim_dcacheline_idx,
1678 &dim_dcacheline_num,
1679 &dim_dcacheline_num_empty,
1680 NULL,
1681 };
1682
1683 static void fmt_free(struct perf_hpp_fmt *fmt)
1684 {
1685 struct c2c_fmt *c2c_fmt;
1686
1687 c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
1688 free(c2c_fmt);
1689 }
1690
1691 static bool fmt_equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b)
1692 {
1693 struct c2c_fmt *c2c_a = container_of(a, struct c2c_fmt, fmt);
1694 struct c2c_fmt *c2c_b = container_of(b, struct c2c_fmt, fmt);
1695
1696 return c2c_a->dim == c2c_b->dim;
1697 }
1698
1699 static struct c2c_dimension *get_dimension(const char *name)
1700 {
1701 unsigned int i;
1702
1703 for (i = 0; dimensions[i]; i++) {
1704 struct c2c_dimension *dim = dimensions[i];
1705
1706 if (!strcmp(dim->name, name))
1707 return dim;
1708 };
1709
1710 return NULL;
1711 }
1712
1713 static int c2c_se_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1714 struct hist_entry *he)
1715 {
1716 struct c2c_fmt *c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
1717 struct c2c_dimension *dim = c2c_fmt->dim;
1718 size_t len = fmt->user_len;
1719
1720 if (!len) {
1721 len = hists__col_len(he->hists, dim->se->se_width_idx);
1722
1723 if (dim == &dim_symbol || dim == &dim_srcline)
1724 len = symbol_width(he->hists, dim->se);
1725 }
1726
1727 return dim->se->se_snprintf(he, hpp->buf, hpp->size, len);
1728 }
1729
1730 static int64_t c2c_se_cmp(struct perf_hpp_fmt *fmt,
1731 struct hist_entry *a, struct hist_entry *b)
1732 {
1733 struct c2c_fmt *c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
1734 struct c2c_dimension *dim = c2c_fmt->dim;
1735
1736 return dim->se->se_cmp(a, b);
1737 }
1738
1739 static int64_t c2c_se_collapse(struct perf_hpp_fmt *fmt,
1740 struct hist_entry *a, struct hist_entry *b)
1741 {
1742 struct c2c_fmt *c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
1743 struct c2c_dimension *dim = c2c_fmt->dim;
1744 int64_t (*collapse_fn)(struct hist_entry *, struct hist_entry *);
1745
1746 collapse_fn = dim->se->se_collapse ?: dim->se->se_cmp;
1747 return collapse_fn(a, b);
1748 }
1749
1750 static struct c2c_fmt *get_format(const char *name)
1751 {
1752 struct c2c_dimension *dim = get_dimension(name);
1753 struct c2c_fmt *c2c_fmt;
1754 struct perf_hpp_fmt *fmt;
1755
1756 if (!dim)
1757 return NULL;
1758
1759 c2c_fmt = zalloc(sizeof(*c2c_fmt));
1760 if (!c2c_fmt)
1761 return NULL;
1762
1763 c2c_fmt->dim = dim;
1764
1765 fmt = &c2c_fmt->fmt;
1766 INIT_LIST_HEAD(&fmt->list);
1767 INIT_LIST_HEAD(&fmt->sort_list);
1768
1769 fmt->cmp = dim->se ? c2c_se_cmp : dim->cmp;
1770 fmt->sort = dim->se ? c2c_se_cmp : dim->cmp;
1771 fmt->color = dim->se ? NULL : dim->color;
1772 fmt->entry = dim->se ? c2c_se_entry : dim->entry;
1773 fmt->header = c2c_header;
1774 fmt->width = c2c_width;
1775 fmt->collapse = dim->se ? c2c_se_collapse : dim->cmp;
1776 fmt->equal = fmt_equal;
1777 fmt->free = fmt_free;
1778
1779 return c2c_fmt;
1780 }
1781
1782 static int c2c_hists__init_output(struct perf_hpp_list *hpp_list, char *name)
1783 {
1784 struct c2c_fmt *c2c_fmt = get_format(name);
1785
1786 if (!c2c_fmt) {
1787 reset_dimensions();
1788 return output_field_add(hpp_list, name);
1789 }
1790
1791 perf_hpp_list__column_register(hpp_list, &c2c_fmt->fmt);
1792 return 0;
1793 }
1794
1795 static int c2c_hists__init_sort(struct perf_hpp_list *hpp_list, char *name)
1796 {
1797 struct c2c_fmt *c2c_fmt = get_format(name);
1798 struct c2c_dimension *dim;
1799
1800 if (!c2c_fmt) {
1801 reset_dimensions();
1802 return sort_dimension__add(hpp_list, name, NULL, 0);
1803 }
1804
1805 dim = c2c_fmt->dim;
1806 if (dim == &dim_dso)
1807 hpp_list->dso = 1;
1808
1809 perf_hpp_list__register_sort_field(hpp_list, &c2c_fmt->fmt);
1810 return 0;
1811 }
1812
1813 #define PARSE_LIST(_list, _fn) \
1814 do { \
1815 char *tmp, *tok; \
1816 ret = 0; \
1817 \
1818 if (!_list) \
1819 break; \
1820 \
1821 for (tok = strtok_r((char *)_list, ", ", &tmp); \
1822 tok; tok = strtok_r(NULL, ", ", &tmp)) { \
1823 ret = _fn(hpp_list, tok); \
1824 if (ret == -EINVAL) { \
1825 pr_err("Invalid --fields key: `%s'", tok); \
1826 break; \
1827 } else if (ret == -ESRCH) { \
1828 pr_err("Unknown --fields key: `%s'", tok); \
1829 break; \
1830 } \
1831 } \
1832 } while (0)
1833
1834 static int hpp_list__parse(struct perf_hpp_list *hpp_list,
1835 const char *output_,
1836 const char *sort_)
1837 {
1838 char *output = output_ ? strdup(output_) : NULL;
1839 char *sort = sort_ ? strdup(sort_) : NULL;
1840 int ret;
1841
1842 PARSE_LIST(output, c2c_hists__init_output);
1843 PARSE_LIST(sort, c2c_hists__init_sort);
1844
1845 /* copy sort keys to output fields */
1846 perf_hpp__setup_output_field(hpp_list);
1847
1848 /*
1849 * We dont need other sorting keys other than those
1850 * we already specified. It also really slows down
1851 * the processing a lot with big number of output
1852 * fields, so switching this off for c2c.
1853 */
1854
1855 #if 0
1856 /* and then copy output fields to sort keys */
1857 perf_hpp__append_sort_keys(&hists->list);
1858 #endif
1859
1860 free(output);
1861 free(sort);
1862 return ret;
1863 }
1864
1865 static int c2c_hists__init(struct c2c_hists *hists,
1866 const char *sort,
1867 int nr_header_lines)
1868 {
1869 __hists__init(&hists->hists, &hists->list);
1870
1871 /*
1872 * Initialize only with sort fields, we need to resort
1873 * later anyway, and that's where we add output fields
1874 * as well.
1875 */
1876 perf_hpp_list__init(&hists->list);
1877
1878 /* Overload number of header lines.*/
1879 hists->list.nr_header_lines = nr_header_lines;
1880
1881 return hpp_list__parse(&hists->list, NULL, sort);
1882 }
1883
1884 static int c2c_hists__reinit(struct c2c_hists *c2c_hists,
1885 const char *output,
1886 const char *sort)
1887 {
1888 perf_hpp__reset_output_field(&c2c_hists->list);
1889 return hpp_list__parse(&c2c_hists->list, output, sort);
1890 }
1891
1892 #define DISPLAY_LINE_LIMIT 0.001
1893
1894 static bool he__display(struct hist_entry *he, struct c2c_stats *stats)
1895 {
1896 struct c2c_hist_entry *c2c_he;
1897 double ld_dist;
1898
1899 if (c2c.show_all)
1900 return true;
1901
1902 c2c_he = container_of(he, struct c2c_hist_entry, he);
1903
1904 #define FILTER_HITM(__h) \
1905 if (stats->__h) { \
1906 ld_dist = ((double)c2c_he->stats.__h / stats->__h); \
1907 if (ld_dist < DISPLAY_LINE_LIMIT) \
1908 he->filtered = HIST_FILTER__C2C; \
1909 } else { \
1910 he->filtered = HIST_FILTER__C2C; \
1911 }
1912
1913 switch (c2c.display) {
1914 case DISPLAY_LCL:
1915 FILTER_HITM(lcl_hitm);
1916 break;
1917 case DISPLAY_RMT:
1918 FILTER_HITM(rmt_hitm);
1919 break;
1920 case DISPLAY_TOT:
1921 FILTER_HITM(tot_hitm);
1922 default:
1923 break;
1924 };
1925
1926 #undef FILTER_HITM
1927
1928 return he->filtered == 0;
1929 }
1930
1931 static inline int valid_hitm_or_store(struct hist_entry *he)
1932 {
1933 struct c2c_hist_entry *c2c_he;
1934 bool has_hitm;
1935
1936 c2c_he = container_of(he, struct c2c_hist_entry, he);
1937 has_hitm = c2c.display == DISPLAY_TOT ? c2c_he->stats.tot_hitm :
1938 c2c.display == DISPLAY_LCL ? c2c_he->stats.lcl_hitm :
1939 c2c_he->stats.rmt_hitm;
1940 return has_hitm || c2c_he->stats.store;
1941 }
1942
1943 static void set_node_width(struct c2c_hist_entry *c2c_he, int len)
1944 {
1945 struct c2c_dimension *dim;
1946
1947 dim = &c2c.hists == c2c_he->hists ?
1948 &dim_dcacheline_node : &dim_offset_node;
1949
1950 if (len > dim->width)
1951 dim->width = len;
1952 }
1953
1954 static int set_nodestr(struct c2c_hist_entry *c2c_he)
1955 {
1956 char buf[30];
1957 int len;
1958
1959 if (c2c_he->nodestr)
1960 return 0;
1961
1962 if (bitmap_weight(c2c_he->nodeset, c2c.nodes_cnt)) {
1963 len = bitmap_scnprintf(c2c_he->nodeset, c2c.nodes_cnt,
1964 buf, sizeof(buf));
1965 } else {
1966 len = scnprintf(buf, sizeof(buf), "N/A");
1967 }
1968
1969 set_node_width(c2c_he, len);
1970 c2c_he->nodestr = strdup(buf);
1971 return c2c_he->nodestr ? 0 : -ENOMEM;
1972 }
1973
1974 static void calc_width(struct c2c_hist_entry *c2c_he)
1975 {
1976 struct c2c_hists *c2c_hists;
1977
1978 c2c_hists = container_of(c2c_he->he.hists, struct c2c_hists, hists);
1979 hists__calc_col_len(&c2c_hists->hists, &c2c_he->he);
1980 set_nodestr(c2c_he);
1981 }
1982
1983 static int filter_cb(struct hist_entry *he, void *arg __maybe_unused)
1984 {
1985 struct c2c_hist_entry *c2c_he;
1986
1987 c2c_he = container_of(he, struct c2c_hist_entry, he);
1988
1989 if (c2c.show_src && !he->srcline)
1990 he->srcline = hist_entry__srcline(he);
1991
1992 calc_width(c2c_he);
1993
1994 if (!valid_hitm_or_store(he))
1995 he->filtered = HIST_FILTER__C2C;
1996
1997 return 0;
1998 }
1999
2000 static int resort_cl_cb(struct hist_entry *he, void *arg __maybe_unused)
2001 {
2002 struct c2c_hist_entry *c2c_he;
2003 struct c2c_hists *c2c_hists;
2004 bool display = he__display(he, &c2c.hitm_stats);
2005
2006 c2c_he = container_of(he, struct c2c_hist_entry, he);
2007 c2c_hists = c2c_he->hists;
2008
2009 if (display && c2c_hists) {
2010 static unsigned int idx;
2011
2012 c2c_he->cacheline_idx = idx++;
2013 calc_width(c2c_he);
2014
2015 c2c_hists__reinit(c2c_hists, c2c.cl_output, c2c.cl_resort);
2016
2017 hists__collapse_resort(&c2c_hists->hists, NULL);
2018 hists__output_resort_cb(&c2c_hists->hists, NULL, filter_cb);
2019 }
2020
2021 return 0;
2022 }
2023
2024 static void setup_nodes_header(void)
2025 {
2026 dim_node.header = header_node[c2c.node_info];
2027 }
2028
2029 static int setup_nodes(struct perf_session *session)
2030 {
2031 struct numa_node *n;
2032 unsigned long **nodes;
2033 int node, cpu;
2034 int *cpu2node;
2035
2036 if (c2c.node_info > 2)
2037 c2c.node_info = 2;
2038
2039 c2c.nodes_cnt = session->header.env.nr_numa_nodes;
2040 c2c.cpus_cnt = session->header.env.nr_cpus_avail;
2041
2042 n = session->header.env.numa_nodes;
2043 if (!n)
2044 return -EINVAL;
2045
2046 nodes = zalloc(sizeof(unsigned long *) * c2c.nodes_cnt);
2047 if (!nodes)
2048 return -ENOMEM;
2049
2050 c2c.nodes = nodes;
2051
2052 cpu2node = zalloc(sizeof(int) * c2c.cpus_cnt);
2053 if (!cpu2node)
2054 return -ENOMEM;
2055
2056 for (cpu = 0; cpu < c2c.cpus_cnt; cpu++)
2057 cpu2node[cpu] = -1;
2058
2059 c2c.cpu2node = cpu2node;
2060
2061 for (node = 0; node < c2c.nodes_cnt; node++) {
2062 struct perf_cpu_map *map = n[node].map;
2063 unsigned long *set;
2064
2065 set = bitmap_alloc(c2c.cpus_cnt);
2066 if (!set)
2067 return -ENOMEM;
2068
2069 nodes[node] = set;
2070
2071 /* empty node, skip */
2072 if (perf_cpu_map__empty(map))
2073 continue;
2074
2075 for (cpu = 0; cpu < map->nr; cpu++) {
2076 set_bit(map->map[cpu], set);
2077
2078 if (WARN_ONCE(cpu2node[map->map[cpu]] != -1, "node/cpu topology bug"))
2079 return -EINVAL;
2080
2081 cpu2node[map->map[cpu]] = node;
2082 }
2083 }
2084
2085 setup_nodes_header();
2086 return 0;
2087 }
2088
2089 #define HAS_HITMS(__h) ((__h)->stats.lcl_hitm || (__h)->stats.rmt_hitm)
2090
2091 static int resort_hitm_cb(struct hist_entry *he, void *arg __maybe_unused)
2092 {
2093 struct c2c_hist_entry *c2c_he;
2094 c2c_he = container_of(he, struct c2c_hist_entry, he);
2095
2096 if (HAS_HITMS(c2c_he)) {
2097 c2c.shared_clines++;
2098 c2c_add_stats(&c2c.hitm_stats, &c2c_he->stats);
2099 }
2100
2101 return 0;
2102 }
2103
2104 static int hists__iterate_cb(struct hists *hists, hists__resort_cb_t cb)
2105 {
2106 struct rb_node *next = rb_first_cached(&hists->entries);
2107 int ret = 0;
2108
2109 while (next) {
2110 struct hist_entry *he;
2111
2112 he = rb_entry(next, struct hist_entry, rb_node);
2113 ret = cb(he, NULL);
2114 if (ret)
2115 break;
2116 next = rb_next(&he->rb_node);
2117 }
2118
2119 return ret;
2120 }
2121
2122 static void print_c2c__display_stats(FILE *out)
2123 {
2124 int llc_misses;
2125 struct c2c_stats *stats = &c2c.hists.stats;
2126
2127 llc_misses = stats->lcl_dram +
2128 stats->rmt_dram +
2129 stats->rmt_hit +
2130 stats->rmt_hitm;
2131
2132 fprintf(out, "=================================================\n");
2133 fprintf(out, " Trace Event Information \n");
2134 fprintf(out, "=================================================\n");
2135 fprintf(out, " Total records : %10d\n", stats->nr_entries);
2136 fprintf(out, " Locked Load/Store Operations : %10d\n", stats->locks);
2137 fprintf(out, " Load Operations : %10d\n", stats->load);
2138 fprintf(out, " Loads - uncacheable : %10d\n", stats->ld_uncache);
2139 fprintf(out, " Loads - IO : %10d\n", stats->ld_io);
2140 fprintf(out, " Loads - Miss : %10d\n", stats->ld_miss);
2141 fprintf(out, " Loads - no mapping : %10d\n", stats->ld_noadrs);
2142 fprintf(out, " Load Fill Buffer Hit : %10d\n", stats->ld_fbhit);
2143 fprintf(out, " Load L1D hit : %10d\n", stats->ld_l1hit);
2144 fprintf(out, " Load L2D hit : %10d\n", stats->ld_l2hit);
2145 fprintf(out, " Load LLC hit : %10d\n", stats->ld_llchit + stats->lcl_hitm);
2146 fprintf(out, " Load Local HITM : %10d\n", stats->lcl_hitm);
2147 fprintf(out, " Load Remote HITM : %10d\n", stats->rmt_hitm);
2148 fprintf(out, " Load Remote HIT : %10d\n", stats->rmt_hit);
2149 fprintf(out, " Load Local DRAM : %10d\n", stats->lcl_dram);
2150 fprintf(out, " Load Remote DRAM : %10d\n", stats->rmt_dram);
2151 fprintf(out, " Load MESI State Exclusive : %10d\n", stats->ld_excl);
2152 fprintf(out, " Load MESI State Shared : %10d\n", stats->ld_shared);
2153 fprintf(out, " Load LLC Misses : %10d\n", llc_misses);
2154 fprintf(out, " LLC Misses to Local DRAM : %10.1f%%\n", ((double)stats->lcl_dram/(double)llc_misses) * 100.);
2155 fprintf(out, " LLC Misses to Remote DRAM : %10.1f%%\n", ((double)stats->rmt_dram/(double)llc_misses) * 100.);
2156 fprintf(out, " LLC Misses to Remote cache (HIT) : %10.1f%%\n", ((double)stats->rmt_hit /(double)llc_misses) * 100.);
2157 fprintf(out, " LLC Misses to Remote cache (HITM) : %10.1f%%\n", ((double)stats->rmt_hitm/(double)llc_misses) * 100.);
2158 fprintf(out, " Store Operations : %10d\n", stats->store);
2159 fprintf(out, " Store - uncacheable : %10d\n", stats->st_uncache);
2160 fprintf(out, " Store - no mapping : %10d\n", stats->st_noadrs);
2161 fprintf(out, " Store L1D Hit : %10d\n", stats->st_l1hit);
2162 fprintf(out, " Store L1D Miss : %10d\n", stats->st_l1miss);
2163 fprintf(out, " No Page Map Rejects : %10d\n", stats->nomap);
2164 fprintf(out, " Unable to parse data source : %10d\n", stats->noparse);
2165 }
2166
2167 static void print_shared_cacheline_info(FILE *out)
2168 {
2169 struct c2c_stats *stats = &c2c.hitm_stats;
2170 int hitm_cnt = stats->lcl_hitm + stats->rmt_hitm;
2171
2172 fprintf(out, "=================================================\n");
2173 fprintf(out, " Global Shared Cache Line Event Information \n");
2174 fprintf(out, "=================================================\n");
2175 fprintf(out, " Total Shared Cache Lines : %10d\n", c2c.shared_clines);
2176 fprintf(out, " Load HITs on shared lines : %10d\n", stats->load);
2177 fprintf(out, " Fill Buffer Hits on shared lines : %10d\n", stats->ld_fbhit);
2178 fprintf(out, " L1D hits on shared lines : %10d\n", stats->ld_l1hit);
2179 fprintf(out, " L2D hits on shared lines : %10d\n", stats->ld_l2hit);
2180 fprintf(out, " LLC hits on shared lines : %10d\n", stats->ld_llchit + stats->lcl_hitm);
2181 fprintf(out, " Locked Access on shared lines : %10d\n", stats->locks);
2182 fprintf(out, " Store HITs on shared lines : %10d\n", stats->store);
2183 fprintf(out, " Store L1D hits on shared lines : %10d\n", stats->st_l1hit);
2184 fprintf(out, " Total Merged records : %10d\n", hitm_cnt + stats->store);
2185 }
2186
2187 static void print_cacheline(struct c2c_hists *c2c_hists,
2188 struct hist_entry *he_cl,
2189 struct perf_hpp_list *hpp_list,
2190 FILE *out)
2191 {
2192 char bf[1000];
2193 struct perf_hpp hpp = {
2194 .buf = bf,
2195 .size = 1000,
2196 };
2197 static bool once;
2198
2199 if (!once) {
2200 hists__fprintf_headers(&c2c_hists->hists, out);
2201 once = true;
2202 } else {
2203 fprintf(out, "\n");
2204 }
2205
2206 fprintf(out, " -------------------------------------------------------------\n");
2207 __hist_entry__snprintf(he_cl, &hpp, hpp_list);
2208 fprintf(out, "%s\n", bf);
2209 fprintf(out, " -------------------------------------------------------------\n");
2210
2211 hists__fprintf(&c2c_hists->hists, false, 0, 0, 0, out, false);
2212 }
2213
2214 static void print_pareto(FILE *out)
2215 {
2216 struct perf_hpp_list hpp_list;
2217 struct rb_node *nd;
2218 int ret;
2219
2220 perf_hpp_list__init(&hpp_list);
2221 ret = hpp_list__parse(&hpp_list,
2222 "cl_num,"
2223 "cl_rmt_hitm,"
2224 "cl_lcl_hitm,"
2225 "cl_stores_l1hit,"
2226 "cl_stores_l1miss,"
2227 "dcacheline",
2228 NULL);
2229
2230 if (WARN_ONCE(ret, "failed to setup sort entries\n"))
2231 return;
2232
2233 nd = rb_first_cached(&c2c.hists.hists.entries);
2234
2235 for (; nd; nd = rb_next(nd)) {
2236 struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node);
2237 struct c2c_hist_entry *c2c_he;
2238
2239 if (he->filtered)
2240 continue;
2241
2242 c2c_he = container_of(he, struct c2c_hist_entry, he);
2243 print_cacheline(c2c_he->hists, he, &hpp_list, out);
2244 }
2245 }
2246
2247 static void print_c2c_info(FILE *out, struct perf_session *session)
2248 {
2249 struct evlist *evlist = session->evlist;
2250 struct evsel *evsel;
2251 bool first = true;
2252
2253 fprintf(out, "=================================================\n");
2254 fprintf(out, " c2c details \n");
2255 fprintf(out, "=================================================\n");
2256
2257 evlist__for_each_entry(evlist, evsel) {
2258 fprintf(out, "%-36s: %s\n", first ? " Events" : "",
2259 perf_evsel__name(evsel));
2260 first = false;
2261 }
2262 fprintf(out, " Cachelines sort on : %s HITMs\n",
2263 display_str[c2c.display]);
2264 fprintf(out, " Cacheline data grouping : %s\n", c2c.cl_sort);
2265 }
2266
2267 static void perf_c2c__hists_fprintf(FILE *out, struct perf_session *session)
2268 {
2269 setup_pager();
2270
2271 print_c2c__display_stats(out);
2272 fprintf(out, "\n");
2273 print_shared_cacheline_info(out);
2274 fprintf(out, "\n");
2275 print_c2c_info(out, session);
2276
2277 if (c2c.stats_only)
2278 return;
2279
2280 fprintf(out, "\n");
2281 fprintf(out, "=================================================\n");
2282 fprintf(out, " Shared Data Cache Line Table \n");
2283 fprintf(out, "=================================================\n");
2284 fprintf(out, "#\n");
2285
2286 hists__fprintf(&c2c.hists.hists, true, 0, 0, 0, stdout, true);
2287
2288 fprintf(out, "\n");
2289 fprintf(out, "=================================================\n");
2290 fprintf(out, " Shared Cache Line Distribution Pareto \n");
2291 fprintf(out, "=================================================\n");
2292 fprintf(out, "#\n");
2293
2294 print_pareto(out);
2295 }
2296
2297 #ifdef HAVE_SLANG_SUPPORT
2298 static void c2c_browser__update_nr_entries(struct hist_browser *hb)
2299 {
2300 u64 nr_entries = 0;
2301 struct rb_node *nd = rb_first_cached(&hb->hists->entries);
2302
2303 while (nd) {
2304 struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node);
2305
2306 if (!he->filtered)
2307 nr_entries++;
2308
2309 nd = rb_next(nd);
2310 }
2311
2312 hb->nr_non_filtered_entries = nr_entries;
2313 }
2314
2315 struct c2c_cacheline_browser {
2316 struct hist_browser hb;
2317 struct hist_entry *he;
2318 };
2319
2320 static int
2321 perf_c2c_cacheline_browser__title(struct hist_browser *browser,
2322 char *bf, size_t size)
2323 {
2324 struct c2c_cacheline_browser *cl_browser;
2325 struct hist_entry *he;
2326 uint64_t addr = 0;
2327
2328 cl_browser = container_of(browser, struct c2c_cacheline_browser, hb);
2329 he = cl_browser->he;
2330
2331 if (he->mem_info)
2332 addr = cl_address(he->mem_info->daddr.addr);
2333
2334 scnprintf(bf, size, "Cacheline 0x%lx", addr);
2335 return 0;
2336 }
2337
2338 static struct c2c_cacheline_browser*
2339 c2c_cacheline_browser__new(struct hists *hists, struct hist_entry *he)
2340 {
2341 struct c2c_cacheline_browser *browser;
2342
2343 browser = zalloc(sizeof(*browser));
2344 if (browser) {
2345 hist_browser__init(&browser->hb, hists);
2346 browser->hb.c2c_filter = true;
2347 browser->hb.title = perf_c2c_cacheline_browser__title;
2348 browser->he = he;
2349 }
2350
2351 return browser;
2352 }
2353
2354 static int perf_c2c__browse_cacheline(struct hist_entry *he)
2355 {
2356 struct c2c_hist_entry *c2c_he;
2357 struct c2c_hists *c2c_hists;
2358 struct c2c_cacheline_browser *cl_browser;
2359 struct hist_browser *browser;
2360 int key = -1;
2361 static const char help[] =
2362 " ENTER Toggle callchains (if present) \n"
2363 " n Toggle Node details info \n"
2364 " s Toggle full length of symbol and source line columns \n"
2365 " q Return back to cacheline list \n";
2366
2367 if (!he)
2368 return 0;
2369
2370 /* Display compact version first. */
2371 c2c.symbol_full = false;
2372
2373 c2c_he = container_of(he, struct c2c_hist_entry, he);
2374 c2c_hists = c2c_he->hists;
2375
2376 cl_browser = c2c_cacheline_browser__new(&c2c_hists->hists, he);
2377 if (cl_browser == NULL)
2378 return -1;
2379
2380 browser = &cl_browser->hb;
2381
2382 /* reset abort key so that it can get Ctrl-C as a key */
2383 SLang_reset_tty();
2384 SLang_init_tty(0, 0, 0);
2385
2386 c2c_browser__update_nr_entries(browser);
2387
2388 while (1) {
2389 key = hist_browser__run(browser, "? - help", true, 0);
2390
2391 switch (key) {
2392 case 's':
2393 c2c.symbol_full = !c2c.symbol_full;
2394 break;
2395 case 'n':
2396 c2c.node_info = (c2c.node_info + 1) % 3;
2397 setup_nodes_header();
2398 break;
2399 case 'q':
2400 goto out;
2401 case '?':
2402 ui_browser__help_window(&browser->b, help);
2403 break;
2404 default:
2405 break;
2406 }
2407 }
2408
2409 out:
2410 free(cl_browser);
2411 return 0;
2412 }
2413
2414 static int perf_c2c_browser__title(struct hist_browser *browser,
2415 char *bf, size_t size)
2416 {
2417 scnprintf(bf, size,
2418 "Shared Data Cache Line Table "
2419 "(%lu entries, sorted on %s HITMs)",
2420 browser->nr_non_filtered_entries,
2421 display_str[c2c.display]);
2422 return 0;
2423 }
2424
2425 static struct hist_browser*
2426 perf_c2c_browser__new(struct hists *hists)
2427 {
2428 struct hist_browser *browser = hist_browser__new(hists);
2429
2430 if (browser) {
2431 browser->title = perf_c2c_browser__title;
2432 browser->c2c_filter = true;
2433 }
2434
2435 return browser;
2436 }
2437
2438 static int perf_c2c__hists_browse(struct hists *hists)
2439 {
2440 struct hist_browser *browser;
2441 int key = -1;
2442 static const char help[] =
2443 " d Display cacheline details \n"
2444 " ENTER Toggle callchains (if present) \n"
2445 " q Quit \n";
2446
2447 browser = perf_c2c_browser__new(hists);
2448 if (browser == NULL)
2449 return -1;
2450
2451 /* reset abort key so that it can get Ctrl-C as a key */
2452 SLang_reset_tty();
2453 SLang_init_tty(0, 0, 0);
2454
2455 c2c_browser__update_nr_entries(browser);
2456
2457 while (1) {
2458 key = hist_browser__run(browser, "? - help", true, 0);
2459
2460 switch (key) {
2461 case 'q':
2462 goto out;
2463 case 'd':
2464 perf_c2c__browse_cacheline(browser->he_selection);
2465 break;
2466 case '?':
2467 ui_browser__help_window(&browser->b, help);
2468 break;
2469 default:
2470 break;
2471 }
2472 }
2473
2474 out:
2475 hist_browser__delete(browser);
2476 return 0;
2477 }
2478
2479 static void perf_c2c_display(struct perf_session *session)
2480 {
2481 if (use_browser == 0)
2482 perf_c2c__hists_fprintf(stdout, session);
2483 else
2484 perf_c2c__hists_browse(&c2c.hists.hists);
2485 }
2486 #else
2487 static void perf_c2c_display(struct perf_session *session)
2488 {
2489 use_browser = 0;
2490 perf_c2c__hists_fprintf(stdout, session);
2491 }
2492 #endif /* HAVE_SLANG_SUPPORT */
2493
2494 static char *fill_line(const char *orig, int len)
2495 {
2496 int i, j, olen = strlen(orig);
2497 char *buf;
2498
2499 buf = zalloc(len + 1);
2500 if (!buf)
2501 return NULL;
2502
2503 j = len / 2 - olen / 2;
2504
2505 for (i = 0; i < j - 1; i++)
2506 buf[i] = '-';
2507
2508 buf[i++] = ' ';
2509
2510 strcpy(buf + i, orig);
2511
2512 i += olen;
2513
2514 buf[i++] = ' ';
2515
2516 for (; i < len; i++)
2517 buf[i] = '-';
2518
2519 return buf;
2520 }
2521
2522 static int ui_quirks(void)
2523 {
2524 const char *nodestr = "Data address";
2525 char *buf;
2526
2527 if (!c2c.use_stdio) {
2528 dim_offset.width = 5;
2529 dim_offset.header = header_offset_tui;
2530 nodestr = "CL";
2531 }
2532
2533 dim_percent_hitm.header = percent_hitm_header[c2c.display];
2534
2535 /* Fix the zero line for dcacheline column. */
2536 buf = fill_line("Cacheline", dim_dcacheline.width +
2537 dim_dcacheline_node.width +
2538 dim_dcacheline_count.width + 4);
2539 if (!buf)
2540 return -ENOMEM;
2541
2542 dim_dcacheline.header.line[0].text = buf;
2543
2544 /* Fix the zero line for offset column. */
2545 buf = fill_line(nodestr, dim_offset.width +
2546 dim_offset_node.width +
2547 dim_dcacheline_count.width + 4);
2548 if (!buf)
2549 return -ENOMEM;
2550
2551 dim_offset.header.line[0].text = buf;
2552
2553 return 0;
2554 }
2555
2556 #define CALLCHAIN_DEFAULT_OPT "graph,0.5,caller,function,percent"
2557
2558 const char callchain_help[] = "Display call graph (stack chain/backtrace):\n\n"
2559 CALLCHAIN_REPORT_HELP
2560 "\n\t\t\t\tDefault: " CALLCHAIN_DEFAULT_OPT;
2561
2562 static int
2563 parse_callchain_opt(const struct option *opt, const char *arg, int unset)
2564 {
2565 struct callchain_param *callchain = opt->value;
2566
2567 callchain->enabled = !unset;
2568 /*
2569 * --no-call-graph
2570 */
2571 if (unset) {
2572 symbol_conf.use_callchain = false;
2573 callchain->mode = CHAIN_NONE;
2574 return 0;
2575 }
2576
2577 return parse_callchain_report_opt(arg);
2578 }
2579
2580 static int setup_callchain(struct evlist *evlist)
2581 {
2582 u64 sample_type = perf_evlist__combined_sample_type(evlist);
2583 enum perf_call_graph_mode mode = CALLCHAIN_NONE;
2584
2585 if ((sample_type & PERF_SAMPLE_REGS_USER) &&
2586 (sample_type & PERF_SAMPLE_STACK_USER)) {
2587 mode = CALLCHAIN_DWARF;
2588 dwarf_callchain_users = true;
2589 } else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
2590 mode = CALLCHAIN_LBR;
2591 else if (sample_type & PERF_SAMPLE_CALLCHAIN)
2592 mode = CALLCHAIN_FP;
2593
2594 if (!callchain_param.enabled &&
2595 callchain_param.mode != CHAIN_NONE &&
2596 mode != CALLCHAIN_NONE) {
2597 symbol_conf.use_callchain = true;
2598 if (callchain_register_param(&callchain_param) < 0) {
2599 ui__error("Can't register callchain params.\n");
2600 return -EINVAL;
2601 }
2602 }
2603
2604 callchain_param.record_mode = mode;
2605 callchain_param.min_percent = 0;
2606 return 0;
2607 }
2608
2609 static int setup_display(const char *str)
2610 {
2611 const char *display = str ?: "tot";
2612
2613 if (!strcmp(display, "tot"))
2614 c2c.display = DISPLAY_TOT;
2615 else if (!strcmp(display, "rmt"))
2616 c2c.display = DISPLAY_RMT;
2617 else if (!strcmp(display, "lcl"))
2618 c2c.display = DISPLAY_LCL;
2619 else {
2620 pr_err("failed: unknown display type: %s\n", str);
2621 return -1;
2622 }
2623
2624 return 0;
2625 }
2626
2627 #define for_each_token(__tok, __buf, __sep, __tmp) \
2628 for (__tok = strtok_r(__buf, __sep, &__tmp); __tok; \
2629 __tok = strtok_r(NULL, __sep, &__tmp))
2630
2631 static int build_cl_output(char *cl_sort, bool no_source)
2632 {
2633 char *tok, *tmp, *buf = strdup(cl_sort);
2634 bool add_pid = false;
2635 bool add_tid = false;
2636 bool add_iaddr = false;
2637 bool add_sym = false;
2638 bool add_dso = false;
2639 bool add_src = false;
2640 int ret = 0;
2641
2642 if (!buf)
2643 return -ENOMEM;
2644
2645 for_each_token(tok, buf, ",", tmp) {
2646 if (!strcmp(tok, "tid")) {
2647 add_tid = true;
2648 } else if (!strcmp(tok, "pid")) {
2649 add_pid = true;
2650 } else if (!strcmp(tok, "iaddr")) {
2651 add_iaddr = true;
2652 add_sym = true;
2653 add_dso = true;
2654 add_src = no_source ? false : true;
2655 } else if (!strcmp(tok, "dso")) {
2656 add_dso = true;
2657 } else if (strcmp(tok, "offset")) {
2658 pr_err("unrecognized sort token: %s\n", tok);
2659 ret = -EINVAL;
2660 goto err;
2661 }
2662 }
2663
2664 if (asprintf(&c2c.cl_output,
2665 "%s%s%s%s%s%s%s%s%s%s",
2666 c2c.use_stdio ? "cl_num_empty," : "",
2667 "percent_rmt_hitm,"
2668 "percent_lcl_hitm,"
2669 "percent_stores_l1hit,"
2670 "percent_stores_l1miss,"
2671 "offset,offset_node,dcacheline_count,",
2672 add_pid ? "pid," : "",
2673 add_tid ? "tid," : "",
2674 add_iaddr ? "iaddr," : "",
2675 "mean_rmt,"
2676 "mean_lcl,"
2677 "mean_load,"
2678 "tot_recs,"
2679 "cpucnt,",
2680 add_sym ? "symbol," : "",
2681 add_dso ? "dso," : "",
2682 add_src ? "cl_srcline," : "",
2683 "node") < 0) {
2684 ret = -ENOMEM;
2685 goto err;
2686 }
2687
2688 c2c.show_src = add_src;
2689 err:
2690 free(buf);
2691 return ret;
2692 }
2693
2694 static int setup_coalesce(const char *coalesce, bool no_source)
2695 {
2696 const char *c = coalesce ?: coalesce_default;
2697
2698 if (asprintf(&c2c.cl_sort, "offset,%s", c) < 0)
2699 return -ENOMEM;
2700
2701 if (build_cl_output(c2c.cl_sort, no_source))
2702 return -1;
2703
2704 if (asprintf(&c2c.cl_resort, "offset,%s",
2705 c2c.display == DISPLAY_TOT ?
2706 "tot_hitm" :
2707 c2c.display == DISPLAY_RMT ?
2708 "rmt_hitm,lcl_hitm" :
2709 "lcl_hitm,rmt_hitm") < 0)
2710 return -ENOMEM;
2711
2712 pr_debug("coalesce sort fields: %s\n", c2c.cl_sort);
2713 pr_debug("coalesce resort fields: %s\n", c2c.cl_resort);
2714 pr_debug("coalesce output fields: %s\n", c2c.cl_output);
2715 return 0;
2716 }
2717
2718 static int perf_c2c__report(int argc, const char **argv)
2719 {
2720 struct perf_session *session;
2721 struct ui_progress prog;
2722 struct perf_data data = {
2723 .mode = PERF_DATA_MODE_READ,
2724 };
2725 char callchain_default_opt[] = CALLCHAIN_DEFAULT_OPT;
2726 const char *display = NULL;
2727 const char *coalesce = NULL;
2728 bool no_source = false;
2729 const struct option options[] = {
2730 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
2731 "file", "vmlinux pathname"),
2732 OPT_STRING('i', "input", &input_name, "file",
2733 "the input file to process"),
2734 OPT_INCR('N', "node-info", &c2c.node_info,
2735 "show extra node info in report (repeat for more info)"),
2736 #ifdef HAVE_SLANG_SUPPORT
2737 OPT_BOOLEAN(0, "stdio", &c2c.use_stdio, "Use the stdio interface"),
2738 #endif
2739 OPT_BOOLEAN(0, "stats", &c2c.stats_only,
2740 "Display only statistic tables (implies --stdio)"),
2741 OPT_BOOLEAN(0, "full-symbols", &c2c.symbol_full,
2742 "Display full length of symbols"),
2743 OPT_BOOLEAN(0, "no-source", &no_source,
2744 "Do not display Source Line column"),
2745 OPT_BOOLEAN(0, "show-all", &c2c.show_all,
2746 "Show all captured HITM lines."),
2747 OPT_CALLBACK_DEFAULT('g', "call-graph", &callchain_param,
2748 "print_type,threshold[,print_limit],order,sort_key[,branch],value",
2749 callchain_help, &parse_callchain_opt,
2750 callchain_default_opt),
2751 OPT_STRING('d', "display", &display, "Switch HITM output type", "lcl,rmt"),
2752 OPT_STRING('c', "coalesce", &coalesce, "coalesce fields",
2753 "coalesce fields: pid,tid,iaddr,dso"),
2754 OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
2755 OPT_PARENT(c2c_options),
2756 OPT_END()
2757 };
2758 int err = 0;
2759
2760 argc = parse_options(argc, argv, options, report_c2c_usage,
2761 PARSE_OPT_STOP_AT_NON_OPTION);
2762 if (argc)
2763 usage_with_options(report_c2c_usage, options);
2764
2765 if (c2c.stats_only)
2766 c2c.use_stdio = true;
2767
2768 if (!input_name || !strlen(input_name))
2769 input_name = "perf.data";
2770
2771 data.path = input_name;
2772 data.force = symbol_conf.force;
2773
2774 err = setup_display(display);
2775 if (err)
2776 goto out;
2777
2778 err = setup_coalesce(coalesce, no_source);
2779 if (err) {
2780 pr_debug("Failed to initialize hists\n");
2781 goto out;
2782 }
2783
2784 err = c2c_hists__init(&c2c.hists, "dcacheline", 2);
2785 if (err) {
2786 pr_debug("Failed to initialize hists\n");
2787 goto out;
2788 }
2789
2790 session = perf_session__new(&data, 0, &c2c.tool);
2791 if (IS_ERR(session)) {
2792 err = PTR_ERR(session);
2793 pr_debug("Error creating perf session\n");
2794 goto out;
2795 }
2796
2797 err = setup_nodes(session);
2798 if (err) {
2799 pr_err("Failed setup nodes\n");
2800 goto out;
2801 }
2802
2803 err = mem2node__init(&c2c.mem2node, &session->header.env);
2804 if (err)
2805 goto out_session;
2806
2807 err = setup_callchain(session->evlist);
2808 if (err)
2809 goto out_mem2node;
2810
2811 if (symbol__init(&session->header.env) < 0)
2812 goto out_mem2node;
2813
2814 /* No pipe support at the moment. */
2815 if (perf_data__is_pipe(session->data)) {
2816 pr_debug("No pipe support at the moment.\n");
2817 goto out_mem2node;
2818 }
2819
2820 if (c2c.use_stdio)
2821 use_browser = 0;
2822 else
2823 use_browser = 1;
2824
2825 setup_browser(false);
2826
2827 err = perf_session__process_events(session);
2828 if (err) {
2829 pr_err("failed to process sample\n");
2830 goto out_mem2node;
2831 }
2832
2833 c2c_hists__reinit(&c2c.hists,
2834 "cl_idx,"
2835 "dcacheline,"
2836 "dcacheline_node,"
2837 "dcacheline_count,"
2838 "tot_recs,"
2839 "percent_hitm,"
2840 "tot_hitm,lcl_hitm,rmt_hitm,"
2841 "stores,stores_l1hit,stores_l1miss,"
2842 "dram_lcl,dram_rmt,"
2843 "ld_llcmiss,"
2844 "tot_loads,"
2845 "ld_fbhit,ld_l1hit,ld_l2hit,"
2846 "ld_lclhit,ld_rmthit",
2847 c2c.display == DISPLAY_TOT ? "tot_hitm" :
2848 c2c.display == DISPLAY_LCL ? "lcl_hitm" : "rmt_hitm"
2849 );
2850
2851 ui_progress__init(&prog, c2c.hists.hists.nr_entries, "Sorting...");
2852
2853 hists__collapse_resort(&c2c.hists.hists, NULL);
2854 hists__output_resort_cb(&c2c.hists.hists, &prog, resort_hitm_cb);
2855 hists__iterate_cb(&c2c.hists.hists, resort_cl_cb);
2856
2857 ui_progress__finish();
2858
2859 if (ui_quirks()) {
2860 pr_err("failed to setup UI\n");
2861 goto out_mem2node;
2862 }
2863
2864 perf_c2c_display(session);
2865
2866 out_mem2node:
2867 mem2node__exit(&c2c.mem2node);
2868 out_session:
2869 perf_session__delete(session);
2870 out:
2871 return err;
2872 }
2873
2874 static int parse_record_events(const struct option *opt,
2875 const char *str, int unset __maybe_unused)
2876 {
2877 bool *event_set = (bool *) opt->value;
2878
2879 *event_set = true;
2880 return perf_mem_events__parse(str);
2881 }
2882
2883
2884 static const char * const __usage_record[] = {
2885 "perf c2c record [<options>] [<command>]",
2886 "perf c2c record [<options>] -- <command> [<options>]",
2887 NULL
2888 };
2889
2890 static const char * const *record_mem_usage = __usage_record;
2891
2892 static int perf_c2c__record(int argc, const char **argv)
2893 {
2894 int rec_argc, i = 0, j;
2895 const char **rec_argv;
2896 int ret;
2897 bool all_user = false, all_kernel = false;
2898 bool event_set = false;
2899 struct option options[] = {
2900 OPT_CALLBACK('e', "event", &event_set, "event",
2901 "event selector. Use 'perf mem record -e list' to list available events",
2902 parse_record_events),
2903 OPT_BOOLEAN('u', "all-user", &all_user, "collect only user level data"),
2904 OPT_BOOLEAN('k', "all-kernel", &all_kernel, "collect only kernel level data"),
2905 OPT_UINTEGER('l', "ldlat", &perf_mem_events__loads_ldlat, "setup mem-loads latency"),
2906 OPT_PARENT(c2c_options),
2907 OPT_END()
2908 };
2909
2910 if (perf_mem_events__init()) {
2911 pr_err("failed: memory events not supported\n");
2912 return -1;
2913 }
2914
2915 argc = parse_options(argc, argv, options, record_mem_usage,
2916 PARSE_OPT_KEEP_UNKNOWN);
2917
2918 rec_argc = argc + 11; /* max number of arguments */
2919 rec_argv = calloc(rec_argc + 1, sizeof(char *));
2920 if (!rec_argv)
2921 return -1;
2922
2923 rec_argv[i++] = "record";
2924
2925 if (!event_set) {
2926 perf_mem_events[PERF_MEM_EVENTS__LOAD].record = true;
2927 perf_mem_events[PERF_MEM_EVENTS__STORE].record = true;
2928 }
2929
2930 if (perf_mem_events[PERF_MEM_EVENTS__LOAD].record)
2931 rec_argv[i++] = "-W";
2932
2933 rec_argv[i++] = "-d";
2934 rec_argv[i++] = "--phys-data";
2935 rec_argv[i++] = "--sample-cpu";
2936
2937 for (j = 0; j < PERF_MEM_EVENTS__MAX; j++) {
2938 if (!perf_mem_events[j].record)
2939 continue;
2940
2941 if (!perf_mem_events[j].supported) {
2942 pr_err("failed: event '%s' not supported\n",
2943 perf_mem_events[j].name);
2944 free(rec_argv);
2945 return -1;
2946 }
2947
2948 rec_argv[i++] = "-e";
2949 rec_argv[i++] = perf_mem_events__name(j);
2950 };
2951
2952 if (all_user)
2953 rec_argv[i++] = "--all-user";
2954
2955 if (all_kernel)
2956 rec_argv[i++] = "--all-kernel";
2957
2958 for (j = 0; j < argc; j++, i++)
2959 rec_argv[i] = argv[j];
2960
2961 if (verbose > 0) {
2962 pr_debug("calling: ");
2963
2964 j = 0;
2965
2966 while (rec_argv[j]) {
2967 pr_debug("%s ", rec_argv[j]);
2968 j++;
2969 }
2970 pr_debug("\n");
2971 }
2972
2973 ret = cmd_record(i, rec_argv);
2974 free(rec_argv);
2975 return ret;
2976 }
2977
2978 int cmd_c2c(int argc, const char **argv)
2979 {
2980 argc = parse_options(argc, argv, c2c_options, c2c_usage,
2981 PARSE_OPT_STOP_AT_NON_OPTION);
2982
2983 if (!argc)
2984 usage_with_options(c2c_usage, c2c_options);
2985
2986 if (!strncmp(argv[0], "rec", 3)) {
2987 return perf_c2c__record(argc, argv);
2988 } else if (!strncmp(argv[0], "rep", 3)) {
2989 return perf_c2c__report(argc, argv);
2990 } else {
2991 usage_with_options(c2c_usage, c2c_options);
2992 }
2993
2994 return 0;
2995 }
Linux with added FPC-III support