Loading...
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * This is rewrite of original c2c tool introduced in here:
4 * http://lwn.net/Articles/588866/
5 *
6 * The original tool was changed to fit in current perf state.
7 *
8 * Original authors:
9 * Don Zickus <dzickus@redhat.com>
10 * Dick Fowles <fowles@inreach.com>
11 * Joe Mario <jmario@redhat.com>
12 */
13#include <errno.h>
14#include <inttypes.h>
15#include <linux/compiler.h>
16#include <linux/kernel.h>
17#include <linux/stringify.h>
18#include <asm/bug.h>
19#include <sys/param.h>
20#include "util.h"
21#include "debug.h"
22#include "builtin.h"
23#include <subcmd/parse-options.h>
24#include "mem-events.h"
25#include "session.h"
26#include "hist.h"
27#include "sort.h"
28#include "tool.h"
29#include "data.h"
30#include "event.h"
31#include "evlist.h"
32#include "evsel.h"
33#include "ui/browsers/hists.h"
34#include "thread.h"
35#include "mem2node.h"
36
37struct c2c_hists {
38 struct hists hists;
39 struct perf_hpp_list list;
40 struct c2c_stats stats;
41};
42
43struct compute_stats {
44 struct stats lcl_hitm;
45 struct stats rmt_hitm;
46 struct stats load;
47};
48
49struct c2c_hist_entry {
50 struct c2c_hists *hists;
51 struct c2c_stats stats;
52 unsigned long *cpuset;
53 unsigned long *nodeset;
54 struct c2c_stats *node_stats;
55 unsigned int cacheline_idx;
56
57 struct compute_stats cstats;
58
59 /*
60 * must be at the end,
61 * because of its callchain dynamic entry
62 */
63 struct hist_entry he;
64
65 unsigned long paddr;
66 unsigned long paddr_cnt;
67 bool paddr_zero;
68 char *nodestr;
69};
70
71static char const *coalesce_default = "pid,iaddr";
72
73struct perf_c2c {
74 struct perf_tool tool;
75 struct c2c_hists hists;
76 struct mem2node mem2node;
77
78 unsigned long **nodes;
79 int nodes_cnt;
80 int cpus_cnt;
81 int *cpu2node;
82 int node_info;
83
84 bool show_src;
85 bool show_all;
86 bool use_stdio;
87 bool stats_only;
88 bool symbol_full;
89
90 /* HITM shared clines stats */
91 struct c2c_stats hitm_stats;
92 int shared_clines;
93
94 int display;
95
96 const char *coalesce;
97 char *cl_sort;
98 char *cl_resort;
99 char *cl_output;
100};
101
102enum {
103 DISPLAY_LCL,
104 DISPLAY_RMT,
105 DISPLAY_TOT,
106 DISPLAY_MAX,
107};
108
109static const char *display_str[DISPLAY_MAX] = {
110 [DISPLAY_LCL] = "Local",
111 [DISPLAY_RMT] = "Remote",
112 [DISPLAY_TOT] = "Total",
113};
114
115static const struct option c2c_options[] = {
116 OPT_INCR('v', "verbose", &verbose, "be more verbose (show counter open errors, etc)"),
117 OPT_END()
118};
119
120static struct perf_c2c c2c;
121
122static void *c2c_he_zalloc(size_t size)
123{
124 struct c2c_hist_entry *c2c_he;
125
126 c2c_he = zalloc(size + sizeof(*c2c_he));
127 if (!c2c_he)
128 return NULL;
129
130 c2c_he->cpuset = bitmap_alloc(c2c.cpus_cnt);
131 if (!c2c_he->cpuset)
132 return NULL;
133
134 c2c_he->nodeset = bitmap_alloc(c2c.nodes_cnt);
135 if (!c2c_he->nodeset)
136 return NULL;
137
138 c2c_he->node_stats = zalloc(c2c.nodes_cnt * sizeof(*c2c_he->node_stats));
139 if (!c2c_he->node_stats)
140 return NULL;
141
142 init_stats(&c2c_he->cstats.lcl_hitm);
143 init_stats(&c2c_he->cstats.rmt_hitm);
144 init_stats(&c2c_he->cstats.load);
145
146 return &c2c_he->he;
147}
148
149static void c2c_he_free(void *he)
150{
151 struct c2c_hist_entry *c2c_he;
152
153 c2c_he = container_of(he, struct c2c_hist_entry, he);
154 if (c2c_he->hists) {
155 hists__delete_entries(&c2c_he->hists->hists);
156 free(c2c_he->hists);
157 }
158
159 free(c2c_he->cpuset);
160 free(c2c_he->nodeset);
161 free(c2c_he->nodestr);
162 free(c2c_he->node_stats);
163 free(c2c_he);
164}
165
166static struct hist_entry_ops c2c_entry_ops = {
167 .new = c2c_he_zalloc,
168 .free = c2c_he_free,
169};
170
171static int c2c_hists__init(struct c2c_hists *hists,
172 const char *sort,
173 int nr_header_lines);
174
175static struct c2c_hists*
176he__get_c2c_hists(struct hist_entry *he,
177 const char *sort,
178 int nr_header_lines)
179{
180 struct c2c_hist_entry *c2c_he;
181 struct c2c_hists *hists;
182 int ret;
183
184 c2c_he = container_of(he, struct c2c_hist_entry, he);
185 if (c2c_he->hists)
186 return c2c_he->hists;
187
188 hists = c2c_he->hists = zalloc(sizeof(*hists));
189 if (!hists)
190 return NULL;
191
192 ret = c2c_hists__init(hists, sort, nr_header_lines);
193 if (ret) {
194 free(hists);
195 return NULL;
196 }
197
198 return hists;
199}
200
201static void c2c_he__set_cpu(struct c2c_hist_entry *c2c_he,
202 struct perf_sample *sample)
203{
204 if (WARN_ONCE(sample->cpu == (unsigned int) -1,
205 "WARNING: no sample cpu value"))
206 return;
207
208 set_bit(sample->cpu, c2c_he->cpuset);
209}
210
211static void c2c_he__set_node(struct c2c_hist_entry *c2c_he,
212 struct perf_sample *sample)
213{
214 int node;
215
216 if (!sample->phys_addr) {
217 c2c_he->paddr_zero = true;
218 return;
219 }
220
221 node = mem2node__node(&c2c.mem2node, sample->phys_addr);
222 if (WARN_ONCE(node < 0, "WARNING: failed to find node\n"))
223 return;
224
225 set_bit(node, c2c_he->nodeset);
226
227 if (c2c_he->paddr != sample->phys_addr) {
228 c2c_he->paddr_cnt++;
229 c2c_he->paddr = sample->phys_addr;
230 }
231}
232
233static void compute_stats(struct c2c_hist_entry *c2c_he,
234 struct c2c_stats *stats,
235 u64 weight)
236{
237 struct compute_stats *cstats = &c2c_he->cstats;
238
239 if (stats->rmt_hitm)
240 update_stats(&cstats->rmt_hitm, weight);
241 else if (stats->lcl_hitm)
242 update_stats(&cstats->lcl_hitm, weight);
243 else if (stats->load)
244 update_stats(&cstats->load, weight);
245}
246
247static int process_sample_event(struct perf_tool *tool __maybe_unused,
248 union perf_event *event,
249 struct perf_sample *sample,
250 struct perf_evsel *evsel,
251 struct machine *machine)
252{
253 struct c2c_hists *c2c_hists = &c2c.hists;
254 struct c2c_hist_entry *c2c_he;
255 struct c2c_stats stats = { .nr_entries = 0, };
256 struct hist_entry *he;
257 struct addr_location al;
258 struct mem_info *mi, *mi_dup;
259 int ret;
260
261 if (machine__resolve(machine, &al, sample) < 0) {
262 pr_debug("problem processing %d event, skipping it.\n",
263 event->header.type);
264 return -1;
265 }
266
267 ret = sample__resolve_callchain(sample, &callchain_cursor, NULL,
268 evsel, &al, sysctl_perf_event_max_stack);
269 if (ret)
270 goto out;
271
272 mi = sample__resolve_mem(sample, &al);
273 if (mi == NULL)
274 return -ENOMEM;
275
276 /*
277 * The mi object is released in hists__add_entry_ops,
278 * if it gets sorted out into existing data, so we need
279 * to take the copy now.
280 */
281 mi_dup = mem_info__get(mi);
282
283 c2c_decode_stats(&stats, mi);
284
285 he = hists__add_entry_ops(&c2c_hists->hists, &c2c_entry_ops,
286 &al, NULL, NULL, mi,
287 sample, true);
288 if (he == NULL)
289 goto free_mi;
290
291 c2c_he = container_of(he, struct c2c_hist_entry, he);
292 c2c_add_stats(&c2c_he->stats, &stats);
293 c2c_add_stats(&c2c_hists->stats, &stats);
294
295 c2c_he__set_cpu(c2c_he, sample);
296 c2c_he__set_node(c2c_he, sample);
297
298 hists__inc_nr_samples(&c2c_hists->hists, he->filtered);
299 ret = hist_entry__append_callchain(he, sample);
300
301 if (!ret) {
302 /*
303 * There's already been warning about missing
304 * sample's cpu value. Let's account all to
305 * node 0 in this case, without any further
306 * warning.
307 *
308 * Doing node stats only for single callchain data.
309 */
310 int cpu = sample->cpu == (unsigned int) -1 ? 0 : sample->cpu;
311 int node = c2c.cpu2node[cpu];
312
313 mi = mi_dup;
314
315 c2c_hists = he__get_c2c_hists(he, c2c.cl_sort, 2);
316 if (!c2c_hists)
317 goto free_mi;
318
319 he = hists__add_entry_ops(&c2c_hists->hists, &c2c_entry_ops,
320 &al, NULL, NULL, mi,
321 sample, true);
322 if (he == NULL)
323 goto free_mi;
324
325 c2c_he = container_of(he, struct c2c_hist_entry, he);
326 c2c_add_stats(&c2c_he->stats, &stats);
327 c2c_add_stats(&c2c_hists->stats, &stats);
328 c2c_add_stats(&c2c_he->node_stats[node], &stats);
329
330 compute_stats(c2c_he, &stats, sample->weight);
331
332 c2c_he__set_cpu(c2c_he, sample);
333 c2c_he__set_node(c2c_he, sample);
334
335 hists__inc_nr_samples(&c2c_hists->hists, he->filtered);
336 ret = hist_entry__append_callchain(he, sample);
337 }
338
339out:
340 addr_location__put(&al);
341 return ret;
342
343free_mi:
344 mem_info__put(mi_dup);
345 mem_info__put(mi);
346 ret = -ENOMEM;
347 goto out;
348}
349
350static struct perf_c2c c2c = {
351 .tool = {
352 .sample = process_sample_event,
353 .mmap = perf_event__process_mmap,
354 .mmap2 = perf_event__process_mmap2,
355 .comm = perf_event__process_comm,
356 .exit = perf_event__process_exit,
357 .fork = perf_event__process_fork,
358 .lost = perf_event__process_lost,
359 .ordered_events = true,
360 .ordering_requires_timestamps = true,
361 },
362};
363
364static const char * const c2c_usage[] = {
365 "perf c2c {record|report}",
366 NULL
367};
368
369static const char * const __usage_report[] = {
370 "perf c2c report",
371 NULL
372};
373
374static const char * const *report_c2c_usage = __usage_report;
375
376#define C2C_HEADER_MAX 2
377
378struct c2c_header {
379 struct {
380 const char *text;
381 int span;
382 } line[C2C_HEADER_MAX];
383};
384
385struct c2c_dimension {
386 struct c2c_header header;
387 const char *name;
388 int width;
389 struct sort_entry *se;
390
391 int64_t (*cmp)(struct perf_hpp_fmt *fmt,
392 struct hist_entry *, struct hist_entry *);
393 int (*entry)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
394 struct hist_entry *he);
395 int (*color)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
396 struct hist_entry *he);
397};
398
399struct c2c_fmt {
400 struct perf_hpp_fmt fmt;
401 struct c2c_dimension *dim;
402};
403
404#define SYMBOL_WIDTH 30
405
406static struct c2c_dimension dim_symbol;
407static struct c2c_dimension dim_srcline;
408
409static int symbol_width(struct hists *hists, struct sort_entry *se)
410{
411 int width = hists__col_len(hists, se->se_width_idx);
412
413 if (!c2c.symbol_full)
414 width = MIN(width, SYMBOL_WIDTH);
415
416 return width;
417}
418
419static int c2c_width(struct perf_hpp_fmt *fmt,
420 struct perf_hpp *hpp __maybe_unused,
421 struct hists *hists)
422{
423 struct c2c_fmt *c2c_fmt;
424 struct c2c_dimension *dim;
425
426 c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
427 dim = c2c_fmt->dim;
428
429 if (dim == &dim_symbol || dim == &dim_srcline)
430 return symbol_width(hists, dim->se);
431
432 return dim->se ? hists__col_len(hists, dim->se->se_width_idx) :
433 c2c_fmt->dim->width;
434}
435
436static int c2c_header(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
437 struct hists *hists, int line, int *span)
438{
439 struct perf_hpp_list *hpp_list = hists->hpp_list;
440 struct c2c_fmt *c2c_fmt;
441 struct c2c_dimension *dim;
442 const char *text = NULL;
443 int width = c2c_width(fmt, hpp, hists);
444
445 c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
446 dim = c2c_fmt->dim;
447
448 if (dim->se) {
449 text = dim->header.line[line].text;
450 /* Use the last line from sort_entry if not defined. */
451 if (!text && (line == hpp_list->nr_header_lines - 1))
452 text = dim->se->se_header;
453 } else {
454 text = dim->header.line[line].text;
455
456 if (*span) {
457 (*span)--;
458 return 0;
459 } else {
460 *span = dim->header.line[line].span;
461 }
462 }
463
464 if (text == NULL)
465 text = "";
466
467 return scnprintf(hpp->buf, hpp->size, "%*s", width, text);
468}
469
470#define HEX_STR(__s, __v) \
471({ \
472 scnprintf(__s, sizeof(__s), "0x%" PRIx64, __v); \
473 __s; \
474})
475
476static int64_t
477dcacheline_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
478 struct hist_entry *left, struct hist_entry *right)
479{
480 return sort__dcacheline_cmp(left, right);
481}
482
483static int dcacheline_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
484 struct hist_entry *he)
485{
486 uint64_t addr = 0;
487 int width = c2c_width(fmt, hpp, he->hists);
488 char buf[20];
489
490 if (he->mem_info)
491 addr = cl_address(he->mem_info->daddr.addr);
492
493 return scnprintf(hpp->buf, hpp->size, "%*s", width, HEX_STR(buf, addr));
494}
495
496static int
497dcacheline_node_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
498 struct hist_entry *he)
499{
500 struct c2c_hist_entry *c2c_he;
501 int width = c2c_width(fmt, hpp, he->hists);
502
503 c2c_he = container_of(he, struct c2c_hist_entry, he);
504 if (WARN_ON_ONCE(!c2c_he->nodestr))
505 return 0;
506
507 return scnprintf(hpp->buf, hpp->size, "%*s", width, c2c_he->nodestr);
508}
509
510static int
511dcacheline_node_count(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
512 struct hist_entry *he)
513{
514 struct c2c_hist_entry *c2c_he;
515 int width = c2c_width(fmt, hpp, he->hists);
516
517 c2c_he = container_of(he, struct c2c_hist_entry, he);
518 return scnprintf(hpp->buf, hpp->size, "%*lu", width, c2c_he->paddr_cnt);
519}
520
521static int offset_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
522 struct hist_entry *he)
523{
524 uint64_t addr = 0;
525 int width = c2c_width(fmt, hpp, he->hists);
526 char buf[20];
527
528 if (he->mem_info)
529 addr = cl_offset(he->mem_info->daddr.al_addr);
530
531 return scnprintf(hpp->buf, hpp->size, "%*s", width, HEX_STR(buf, addr));
532}
533
534static int64_t
535offset_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
536 struct hist_entry *left, struct hist_entry *right)
537{
538 uint64_t l = 0, r = 0;
539
540 if (left->mem_info)
541 l = cl_offset(left->mem_info->daddr.addr);
542 if (right->mem_info)
543 r = cl_offset(right->mem_info->daddr.addr);
544
545 return (int64_t)(r - l);
546}
547
548static int
549iaddr_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
550 struct hist_entry *he)
551{
552 uint64_t addr = 0;
553 int width = c2c_width(fmt, hpp, he->hists);
554 char buf[20];
555
556 if (he->mem_info)
557 addr = he->mem_info->iaddr.addr;
558
559 return scnprintf(hpp->buf, hpp->size, "%*s", width, HEX_STR(buf, addr));
560}
561
562static int64_t
563iaddr_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
564 struct hist_entry *left, struct hist_entry *right)
565{
566 return sort__iaddr_cmp(left, right);
567}
568
569static int
570tot_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
571 struct hist_entry *he)
572{
573 struct c2c_hist_entry *c2c_he;
574 int width = c2c_width(fmt, hpp, he->hists);
575 unsigned int tot_hitm;
576
577 c2c_he = container_of(he, struct c2c_hist_entry, he);
578 tot_hitm = c2c_he->stats.lcl_hitm + c2c_he->stats.rmt_hitm;
579
580 return scnprintf(hpp->buf, hpp->size, "%*u", width, tot_hitm);
581}
582
583static int64_t
584tot_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
585 struct hist_entry *left, struct hist_entry *right)
586{
587 struct c2c_hist_entry *c2c_left;
588 struct c2c_hist_entry *c2c_right;
589 unsigned int tot_hitm_left;
590 unsigned int tot_hitm_right;
591
592 c2c_left = container_of(left, struct c2c_hist_entry, he);
593 c2c_right = container_of(right, struct c2c_hist_entry, he);
594
595 tot_hitm_left = c2c_left->stats.lcl_hitm + c2c_left->stats.rmt_hitm;
596 tot_hitm_right = c2c_right->stats.lcl_hitm + c2c_right->stats.rmt_hitm;
597
598 return tot_hitm_left - tot_hitm_right;
599}
600
601#define STAT_FN_ENTRY(__f) \
602static int \
603__f ## _entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, \
604 struct hist_entry *he) \
605{ \
606 struct c2c_hist_entry *c2c_he; \
607 int width = c2c_width(fmt, hpp, he->hists); \
608 \
609 c2c_he = container_of(he, struct c2c_hist_entry, he); \
610 return scnprintf(hpp->buf, hpp->size, "%*u", width, \
611 c2c_he->stats.__f); \
612}
613
614#define STAT_FN_CMP(__f) \
615static int64_t \
616__f ## _cmp(struct perf_hpp_fmt *fmt __maybe_unused, \
617 struct hist_entry *left, struct hist_entry *right) \
618{ \
619 struct c2c_hist_entry *c2c_left, *c2c_right; \
620 \
621 c2c_left = container_of(left, struct c2c_hist_entry, he); \
622 c2c_right = container_of(right, struct c2c_hist_entry, he); \
623 return c2c_left->stats.__f - c2c_right->stats.__f; \
624}
625
626#define STAT_FN(__f) \
627 STAT_FN_ENTRY(__f) \
628 STAT_FN_CMP(__f)
629
630STAT_FN(rmt_hitm)
631STAT_FN(lcl_hitm)
632STAT_FN(store)
633STAT_FN(st_l1hit)
634STAT_FN(st_l1miss)
635STAT_FN(ld_fbhit)
636STAT_FN(ld_l1hit)
637STAT_FN(ld_l2hit)
638STAT_FN(ld_llchit)
639STAT_FN(rmt_hit)
640
641static uint64_t llc_miss(struct c2c_stats *stats)
642{
643 uint64_t llcmiss;
644
645 llcmiss = stats->lcl_dram +
646 stats->rmt_dram +
647 stats->rmt_hitm +
648 stats->rmt_hit;
649
650 return llcmiss;
651}
652
653static int
654ld_llcmiss_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
655 struct hist_entry *he)
656{
657 struct c2c_hist_entry *c2c_he;
658 int width = c2c_width(fmt, hpp, he->hists);
659
660 c2c_he = container_of(he, struct c2c_hist_entry, he);
661
662 return scnprintf(hpp->buf, hpp->size, "%*lu", width,
663 llc_miss(&c2c_he->stats));
664}
665
666static int64_t
667ld_llcmiss_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
668 struct hist_entry *left, struct hist_entry *right)
669{
670 struct c2c_hist_entry *c2c_left;
671 struct c2c_hist_entry *c2c_right;
672
673 c2c_left = container_of(left, struct c2c_hist_entry, he);
674 c2c_right = container_of(right, struct c2c_hist_entry, he);
675
676 return llc_miss(&c2c_left->stats) - llc_miss(&c2c_right->stats);
677}
678
679static uint64_t total_records(struct c2c_stats *stats)
680{
681 uint64_t lclmiss, ldcnt, total;
682
683 lclmiss = stats->lcl_dram +
684 stats->rmt_dram +
685 stats->rmt_hitm +
686 stats->rmt_hit;
687
688 ldcnt = lclmiss +
689 stats->ld_fbhit +
690 stats->ld_l1hit +
691 stats->ld_l2hit +
692 stats->ld_llchit +
693 stats->lcl_hitm;
694
695 total = ldcnt +
696 stats->st_l1hit +
697 stats->st_l1miss;
698
699 return total;
700}
701
702static int
703tot_recs_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
704 struct hist_entry *he)
705{
706 struct c2c_hist_entry *c2c_he;
707 int width = c2c_width(fmt, hpp, he->hists);
708 uint64_t tot_recs;
709
710 c2c_he = container_of(he, struct c2c_hist_entry, he);
711 tot_recs = total_records(&c2c_he->stats);
712
713 return scnprintf(hpp->buf, hpp->size, "%*" PRIu64, width, tot_recs);
714}
715
716static int64_t
717tot_recs_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
718 struct hist_entry *left, struct hist_entry *right)
719{
720 struct c2c_hist_entry *c2c_left;
721 struct c2c_hist_entry *c2c_right;
722 uint64_t tot_recs_left;
723 uint64_t tot_recs_right;
724
725 c2c_left = container_of(left, struct c2c_hist_entry, he);
726 c2c_right = container_of(right, struct c2c_hist_entry, he);
727
728 tot_recs_left = total_records(&c2c_left->stats);
729 tot_recs_right = total_records(&c2c_right->stats);
730
731 return tot_recs_left - tot_recs_right;
732}
733
734static uint64_t total_loads(struct c2c_stats *stats)
735{
736 uint64_t lclmiss, ldcnt;
737
738 lclmiss = stats->lcl_dram +
739 stats->rmt_dram +
740 stats->rmt_hitm +
741 stats->rmt_hit;
742
743 ldcnt = lclmiss +
744 stats->ld_fbhit +
745 stats->ld_l1hit +
746 stats->ld_l2hit +
747 stats->ld_llchit +
748 stats->lcl_hitm;
749
750 return ldcnt;
751}
752
753static int
754tot_loads_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
755 struct hist_entry *he)
756{
757 struct c2c_hist_entry *c2c_he;
758 int width = c2c_width(fmt, hpp, he->hists);
759 uint64_t tot_recs;
760
761 c2c_he = container_of(he, struct c2c_hist_entry, he);
762 tot_recs = total_loads(&c2c_he->stats);
763
764 return scnprintf(hpp->buf, hpp->size, "%*" PRIu64, width, tot_recs);
765}
766
767static int64_t
768tot_loads_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
769 struct hist_entry *left, struct hist_entry *right)
770{
771 struct c2c_hist_entry *c2c_left;
772 struct c2c_hist_entry *c2c_right;
773 uint64_t tot_recs_left;
774 uint64_t tot_recs_right;
775
776 c2c_left = container_of(left, struct c2c_hist_entry, he);
777 c2c_right = container_of(right, struct c2c_hist_entry, he);
778
779 tot_recs_left = total_loads(&c2c_left->stats);
780 tot_recs_right = total_loads(&c2c_right->stats);
781
782 return tot_recs_left - tot_recs_right;
783}
784
785typedef double (get_percent_cb)(struct c2c_hist_entry *);
786
787static int
788percent_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
789 struct hist_entry *he, get_percent_cb get_percent)
790{
791 struct c2c_hist_entry *c2c_he;
792 int width = c2c_width(fmt, hpp, he->hists);
793 double per;
794
795 c2c_he = container_of(he, struct c2c_hist_entry, he);
796 per = get_percent(c2c_he);
797
798#ifdef HAVE_SLANG_SUPPORT
799 if (use_browser)
800 return __hpp__slsmg_color_printf(hpp, "%*.2f%%", width - 1, per);
801#endif
802 return hpp_color_scnprintf(hpp, "%*.2f%%", width - 1, per);
803}
804
805static double percent_hitm(struct c2c_hist_entry *c2c_he)
806{
807 struct c2c_hists *hists;
808 struct c2c_stats *stats;
809 struct c2c_stats *total;
810 int tot = 0, st = 0;
811 double p;
812
813 hists = container_of(c2c_he->he.hists, struct c2c_hists, hists);
814 stats = &c2c_he->stats;
815 total = &hists->stats;
816
817 switch (c2c.display) {
818 case DISPLAY_RMT:
819 st = stats->rmt_hitm;
820 tot = total->rmt_hitm;
821 break;
822 case DISPLAY_LCL:
823 st = stats->lcl_hitm;
824 tot = total->lcl_hitm;
825 break;
826 case DISPLAY_TOT:
827 st = stats->tot_hitm;
828 tot = total->tot_hitm;
829 default:
830 break;
831 }
832
833 p = tot ? (double) st / tot : 0;
834
835 return 100 * p;
836}
837
838#define PERC_STR(__s, __v) \
839({ \
840 scnprintf(__s, sizeof(__s), "%.2F%%", __v); \
841 __s; \
842})
843
844static int
845percent_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
846 struct hist_entry *he)
847{
848 struct c2c_hist_entry *c2c_he;
849 int width = c2c_width(fmt, hpp, he->hists);
850 char buf[10];
851 double per;
852
853 c2c_he = container_of(he, struct c2c_hist_entry, he);
854 per = percent_hitm(c2c_he);
855 return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
856}
857
858static int
859percent_hitm_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
860 struct hist_entry *he)
861{
862 return percent_color(fmt, hpp, he, percent_hitm);
863}
864
865static int64_t
866percent_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
867 struct hist_entry *left, struct hist_entry *right)
868{
869 struct c2c_hist_entry *c2c_left;
870 struct c2c_hist_entry *c2c_right;
871 double per_left;
872 double per_right;
873
874 c2c_left = container_of(left, struct c2c_hist_entry, he);
875 c2c_right = container_of(right, struct c2c_hist_entry, he);
876
877 per_left = percent_hitm(c2c_left);
878 per_right = percent_hitm(c2c_right);
879
880 return per_left - per_right;
881}
882
883static struct c2c_stats *he_stats(struct hist_entry *he)
884{
885 struct c2c_hist_entry *c2c_he;
886
887 c2c_he = container_of(he, struct c2c_hist_entry, he);
888 return &c2c_he->stats;
889}
890
891static struct c2c_stats *total_stats(struct hist_entry *he)
892{
893 struct c2c_hists *hists;
894
895 hists = container_of(he->hists, struct c2c_hists, hists);
896 return &hists->stats;
897}
898
899static double percent(int st, int tot)
900{
901 return tot ? 100. * (double) st / (double) tot : 0;
902}
903
904#define PERCENT(__h, __f) percent(he_stats(__h)->__f, total_stats(__h)->__f)
905
906#define PERCENT_FN(__f) \
907static double percent_ ## __f(struct c2c_hist_entry *c2c_he) \
908{ \
909 struct c2c_hists *hists; \
910 \
911 hists = container_of(c2c_he->he.hists, struct c2c_hists, hists); \
912 return percent(c2c_he->stats.__f, hists->stats.__f); \
913}
914
915PERCENT_FN(rmt_hitm)
916PERCENT_FN(lcl_hitm)
917PERCENT_FN(st_l1hit)
918PERCENT_FN(st_l1miss)
919
920static int
921percent_rmt_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
922 struct hist_entry *he)
923{
924 int width = c2c_width(fmt, hpp, he->hists);
925 double per = PERCENT(he, rmt_hitm);
926 char buf[10];
927
928 return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
929}
930
931static int
932percent_rmt_hitm_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
933 struct hist_entry *he)
934{
935 return percent_color(fmt, hpp, he, percent_rmt_hitm);
936}
937
938static int64_t
939percent_rmt_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
940 struct hist_entry *left, struct hist_entry *right)
941{
942 double per_left;
943 double per_right;
944
945 per_left = PERCENT(left, lcl_hitm);
946 per_right = PERCENT(right, lcl_hitm);
947
948 return per_left - per_right;
949}
950
951static int
952percent_lcl_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
953 struct hist_entry *he)
954{
955 int width = c2c_width(fmt, hpp, he->hists);
956 double per = PERCENT(he, lcl_hitm);
957 char buf[10];
958
959 return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
960}
961
962static int
963percent_lcl_hitm_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
964 struct hist_entry *he)
965{
966 return percent_color(fmt, hpp, he, percent_lcl_hitm);
967}
968
969static int64_t
970percent_lcl_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
971 struct hist_entry *left, struct hist_entry *right)
972{
973 double per_left;
974 double per_right;
975
976 per_left = PERCENT(left, lcl_hitm);
977 per_right = PERCENT(right, lcl_hitm);
978
979 return per_left - per_right;
980}
981
982static int
983percent_stores_l1hit_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
984 struct hist_entry *he)
985{
986 int width = c2c_width(fmt, hpp, he->hists);
987 double per = PERCENT(he, st_l1hit);
988 char buf[10];
989
990 return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
991}
992
993static int
994percent_stores_l1hit_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
995 struct hist_entry *he)
996{
997 return percent_color(fmt, hpp, he, percent_st_l1hit);
998}
999
1000static int64_t
1001percent_stores_l1hit_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
1002 struct hist_entry *left, struct hist_entry *right)
1003{
1004 double per_left;
1005 double per_right;
1006
1007 per_left = PERCENT(left, st_l1hit);
1008 per_right = PERCENT(right, st_l1hit);
1009
1010 return per_left - per_right;
1011}
1012
1013static int
1014percent_stores_l1miss_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1015 struct hist_entry *he)
1016{
1017 int width = c2c_width(fmt, hpp, he->hists);
1018 double per = PERCENT(he, st_l1miss);
1019 char buf[10];
1020
1021 return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
1022}
1023
1024static int
1025percent_stores_l1miss_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1026 struct hist_entry *he)
1027{
1028 return percent_color(fmt, hpp, he, percent_st_l1miss);
1029}
1030
1031static int64_t
1032percent_stores_l1miss_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
1033 struct hist_entry *left, struct hist_entry *right)
1034{
1035 double per_left;
1036 double per_right;
1037
1038 per_left = PERCENT(left, st_l1miss);
1039 per_right = PERCENT(right, st_l1miss);
1040
1041 return per_left - per_right;
1042}
1043
1044STAT_FN(lcl_dram)
1045STAT_FN(rmt_dram)
1046
1047static int
1048pid_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1049 struct hist_entry *he)
1050{
1051 int width = c2c_width(fmt, hpp, he->hists);
1052
1053 return scnprintf(hpp->buf, hpp->size, "%*d", width, he->thread->pid_);
1054}
1055
1056static int64_t
1057pid_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
1058 struct hist_entry *left, struct hist_entry *right)
1059{
1060 return left->thread->pid_ - right->thread->pid_;
1061}
1062
1063static int64_t
1064empty_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
1065 struct hist_entry *left __maybe_unused,
1066 struct hist_entry *right __maybe_unused)
1067{
1068 return 0;
1069}
1070
1071static int
1072node_entry(struct perf_hpp_fmt *fmt __maybe_unused, struct perf_hpp *hpp,
1073 struct hist_entry *he)
1074{
1075 struct c2c_hist_entry *c2c_he;
1076 bool first = true;
1077 int node;
1078 int ret = 0;
1079
1080 c2c_he = container_of(he, struct c2c_hist_entry, he);
1081
1082 for (node = 0; node < c2c.nodes_cnt; node++) {
1083 DECLARE_BITMAP(set, c2c.cpus_cnt);
1084
1085 bitmap_zero(set, c2c.cpus_cnt);
1086 bitmap_and(set, c2c_he->cpuset, c2c.nodes[node], c2c.cpus_cnt);
1087
1088 if (!bitmap_weight(set, c2c.cpus_cnt)) {
1089 if (c2c.node_info == 1) {
1090 ret = scnprintf(hpp->buf, hpp->size, "%21s", " ");
1091 advance_hpp(hpp, ret);
1092 }
1093 continue;
1094 }
1095
1096 if (!first) {
1097 ret = scnprintf(hpp->buf, hpp->size, " ");
1098 advance_hpp(hpp, ret);
1099 }
1100
1101 switch (c2c.node_info) {
1102 case 0:
1103 ret = scnprintf(hpp->buf, hpp->size, "%2d", node);
1104 advance_hpp(hpp, ret);
1105 break;
1106 case 1:
1107 {
1108 int num = bitmap_weight(c2c_he->cpuset, c2c.cpus_cnt);
1109 struct c2c_stats *stats = &c2c_he->node_stats[node];
1110
1111 ret = scnprintf(hpp->buf, hpp->size, "%2d{%2d ", node, num);
1112 advance_hpp(hpp, ret);
1113
1114 #define DISPLAY_HITM(__h) \
1115 if (c2c_he->stats.__h> 0) { \
1116 ret = scnprintf(hpp->buf, hpp->size, "%5.1f%% ", \
1117 percent(stats->__h, c2c_he->stats.__h));\
1118 } else { \
1119 ret = scnprintf(hpp->buf, hpp->size, "%6s ", "n/a"); \
1120 }
1121
1122 switch (c2c.display) {
1123 case DISPLAY_RMT:
1124 DISPLAY_HITM(rmt_hitm);
1125 break;
1126 case DISPLAY_LCL:
1127 DISPLAY_HITM(lcl_hitm);
1128 break;
1129 case DISPLAY_TOT:
1130 DISPLAY_HITM(tot_hitm);
1131 default:
1132 break;
1133 }
1134
1135 #undef DISPLAY_HITM
1136
1137 advance_hpp(hpp, ret);
1138
1139 if (c2c_he->stats.store > 0) {
1140 ret = scnprintf(hpp->buf, hpp->size, "%5.1f%%}",
1141 percent(stats->store, c2c_he->stats.store));
1142 } else {
1143 ret = scnprintf(hpp->buf, hpp->size, "%6s}", "n/a");
1144 }
1145
1146 advance_hpp(hpp, ret);
1147 break;
1148 }
1149 case 2:
1150 ret = scnprintf(hpp->buf, hpp->size, "%2d{", node);
1151 advance_hpp(hpp, ret);
1152
1153 ret = bitmap_scnprintf(set, c2c.cpus_cnt, hpp->buf, hpp->size);
1154 advance_hpp(hpp, ret);
1155
1156 ret = scnprintf(hpp->buf, hpp->size, "}");
1157 advance_hpp(hpp, ret);
1158 break;
1159 default:
1160 break;
1161 }
1162
1163 first = false;
1164 }
1165
1166 return 0;
1167}
1168
1169static int
1170mean_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1171 struct hist_entry *he, double mean)
1172{
1173 int width = c2c_width(fmt, hpp, he->hists);
1174 char buf[10];
1175
1176 scnprintf(buf, 10, "%6.0f", mean);
1177 return scnprintf(hpp->buf, hpp->size, "%*s", width, buf);
1178}
1179
1180#define MEAN_ENTRY(__func, __val) \
1181static int \
1182__func(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, struct hist_entry *he) \
1183{ \
1184 struct c2c_hist_entry *c2c_he; \
1185 c2c_he = container_of(he, struct c2c_hist_entry, he); \
1186 return mean_entry(fmt, hpp, he, avg_stats(&c2c_he->cstats.__val)); \
1187}
1188
1189MEAN_ENTRY(mean_rmt_entry, rmt_hitm);
1190MEAN_ENTRY(mean_lcl_entry, lcl_hitm);
1191MEAN_ENTRY(mean_load_entry, load);
1192
1193static int
1194cpucnt_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1195 struct hist_entry *he)
1196{
1197 struct c2c_hist_entry *c2c_he;
1198 int width = c2c_width(fmt, hpp, he->hists);
1199 char buf[10];
1200
1201 c2c_he = container_of(he, struct c2c_hist_entry, he);
1202
1203 scnprintf(buf, 10, "%d", bitmap_weight(c2c_he->cpuset, c2c.cpus_cnt));
1204 return scnprintf(hpp->buf, hpp->size, "%*s", width, buf);
1205}
1206
1207static int
1208cl_idx_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1209 struct hist_entry *he)
1210{
1211 struct c2c_hist_entry *c2c_he;
1212 int width = c2c_width(fmt, hpp, he->hists);
1213 char buf[10];
1214
1215 c2c_he = container_of(he, struct c2c_hist_entry, he);
1216
1217 scnprintf(buf, 10, "%u", c2c_he->cacheline_idx);
1218 return scnprintf(hpp->buf, hpp->size, "%*s", width, buf);
1219}
1220
1221static int
1222cl_idx_empty_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1223 struct hist_entry *he)
1224{
1225 int width = c2c_width(fmt, hpp, he->hists);
1226
1227 return scnprintf(hpp->buf, hpp->size, "%*s", width, "");
1228}
1229
1230#define HEADER_LOW(__h) \
1231 { \
1232 .line[1] = { \
1233 .text = __h, \
1234 }, \
1235 }
1236
1237#define HEADER_BOTH(__h0, __h1) \
1238 { \
1239 .line[0] = { \
1240 .text = __h0, \
1241 }, \
1242 .line[1] = { \
1243 .text = __h1, \
1244 }, \
1245 }
1246
1247#define HEADER_SPAN(__h0, __h1, __s) \
1248 { \
1249 .line[0] = { \
1250 .text = __h0, \
1251 .span = __s, \
1252 }, \
1253 .line[1] = { \
1254 .text = __h1, \
1255 }, \
1256 }
1257
1258#define HEADER_SPAN_LOW(__h) \
1259 { \
1260 .line[1] = { \
1261 .text = __h, \
1262 }, \
1263 }
1264
1265static struct c2c_dimension dim_dcacheline = {
1266 .header = HEADER_SPAN("--- Cacheline ----", "Address", 2),
1267 .name = "dcacheline",
1268 .cmp = dcacheline_cmp,
1269 .entry = dcacheline_entry,
1270 .width = 18,
1271};
1272
1273static struct c2c_dimension dim_dcacheline_node = {
1274 .header = HEADER_LOW("Node"),
1275 .name = "dcacheline_node",
1276 .cmp = empty_cmp,
1277 .entry = dcacheline_node_entry,
1278 .width = 4,
1279};
1280
1281static struct c2c_dimension dim_dcacheline_count = {
1282 .header = HEADER_LOW("PA cnt"),
1283 .name = "dcacheline_count",
1284 .cmp = empty_cmp,
1285 .entry = dcacheline_node_count,
1286 .width = 6,
1287};
1288
1289static struct c2c_header header_offset_tui = HEADER_SPAN("-----", "Off", 2);
1290
1291static struct c2c_dimension dim_offset = {
1292 .header = HEADER_SPAN("--- Data address -", "Offset", 2),
1293 .name = "offset",
1294 .cmp = offset_cmp,
1295 .entry = offset_entry,
1296 .width = 18,
1297};
1298
1299static struct c2c_dimension dim_offset_node = {
1300 .header = HEADER_LOW("Node"),
1301 .name = "offset_node",
1302 .cmp = empty_cmp,
1303 .entry = dcacheline_node_entry,
1304 .width = 4,
1305};
1306
1307static struct c2c_dimension dim_iaddr = {
1308 .header = HEADER_LOW("Code address"),
1309 .name = "iaddr",
1310 .cmp = iaddr_cmp,
1311 .entry = iaddr_entry,
1312 .width = 18,
1313};
1314
1315static struct c2c_dimension dim_tot_hitm = {
1316 .header = HEADER_SPAN("----- LLC Load Hitm -----", "Total", 2),
1317 .name = "tot_hitm",
1318 .cmp = tot_hitm_cmp,
1319 .entry = tot_hitm_entry,
1320 .width = 7,
1321};
1322
1323static struct c2c_dimension dim_lcl_hitm = {
1324 .header = HEADER_SPAN_LOW("Lcl"),
1325 .name = "lcl_hitm",
1326 .cmp = lcl_hitm_cmp,
1327 .entry = lcl_hitm_entry,
1328 .width = 7,
1329};
1330
1331static struct c2c_dimension dim_rmt_hitm = {
1332 .header = HEADER_SPAN_LOW("Rmt"),
1333 .name = "rmt_hitm",
1334 .cmp = rmt_hitm_cmp,
1335 .entry = rmt_hitm_entry,
1336 .width = 7,
1337};
1338
1339static struct c2c_dimension dim_cl_rmt_hitm = {
1340 .header = HEADER_SPAN("----- HITM -----", "Rmt", 1),
1341 .name = "cl_rmt_hitm",
1342 .cmp = rmt_hitm_cmp,
1343 .entry = rmt_hitm_entry,
1344 .width = 7,
1345};
1346
1347static struct c2c_dimension dim_cl_lcl_hitm = {
1348 .header = HEADER_SPAN_LOW("Lcl"),
1349 .name = "cl_lcl_hitm",
1350 .cmp = lcl_hitm_cmp,
1351 .entry = lcl_hitm_entry,
1352 .width = 7,
1353};
1354
1355static struct c2c_dimension dim_stores = {
1356 .header = HEADER_SPAN("---- Store Reference ----", "Total", 2),
1357 .name = "stores",
1358 .cmp = store_cmp,
1359 .entry = store_entry,
1360 .width = 7,
1361};
1362
1363static struct c2c_dimension dim_stores_l1hit = {
1364 .header = HEADER_SPAN_LOW("L1Hit"),
1365 .name = "stores_l1hit",
1366 .cmp = st_l1hit_cmp,
1367 .entry = st_l1hit_entry,
1368 .width = 7,
1369};
1370
1371static struct c2c_dimension dim_stores_l1miss = {
1372 .header = HEADER_SPAN_LOW("L1Miss"),
1373 .name = "stores_l1miss",
1374 .cmp = st_l1miss_cmp,
1375 .entry = st_l1miss_entry,
1376 .width = 7,
1377};
1378
1379static struct c2c_dimension dim_cl_stores_l1hit = {
1380 .header = HEADER_SPAN("-- Store Refs --", "L1 Hit", 1),
1381 .name = "cl_stores_l1hit",
1382 .cmp = st_l1hit_cmp,
1383 .entry = st_l1hit_entry,
1384 .width = 7,
1385};
1386
1387static struct c2c_dimension dim_cl_stores_l1miss = {
1388 .header = HEADER_SPAN_LOW("L1 Miss"),
1389 .name = "cl_stores_l1miss",
1390 .cmp = st_l1miss_cmp,
1391 .entry = st_l1miss_entry,
1392 .width = 7,
1393};
1394
1395static struct c2c_dimension dim_ld_fbhit = {
1396 .header = HEADER_SPAN("----- Core Load Hit -----", "FB", 2),
1397 .name = "ld_fbhit",
1398 .cmp = ld_fbhit_cmp,
1399 .entry = ld_fbhit_entry,
1400 .width = 7,
1401};
1402
1403static struct c2c_dimension dim_ld_l1hit = {
1404 .header = HEADER_SPAN_LOW("L1"),
1405 .name = "ld_l1hit",
1406 .cmp = ld_l1hit_cmp,
1407 .entry = ld_l1hit_entry,
1408 .width = 7,
1409};
1410
1411static struct c2c_dimension dim_ld_l2hit = {
1412 .header = HEADER_SPAN_LOW("L2"),
1413 .name = "ld_l2hit",
1414 .cmp = ld_l2hit_cmp,
1415 .entry = ld_l2hit_entry,
1416 .width = 7,
1417};
1418
1419static struct c2c_dimension dim_ld_llchit = {
1420 .header = HEADER_SPAN("-- LLC Load Hit --", "Llc", 1),
1421 .name = "ld_lclhit",
1422 .cmp = ld_llchit_cmp,
1423 .entry = ld_llchit_entry,
1424 .width = 8,
1425};
1426
1427static struct c2c_dimension dim_ld_rmthit = {
1428 .header = HEADER_SPAN_LOW("Rmt"),
1429 .name = "ld_rmthit",
1430 .cmp = rmt_hit_cmp,
1431 .entry = rmt_hit_entry,
1432 .width = 8,
1433};
1434
1435static struct c2c_dimension dim_ld_llcmiss = {
1436 .header = HEADER_BOTH("LLC", "Ld Miss"),
1437 .name = "ld_llcmiss",
1438 .cmp = ld_llcmiss_cmp,
1439 .entry = ld_llcmiss_entry,
1440 .width = 7,
1441};
1442
1443static struct c2c_dimension dim_tot_recs = {
1444 .header = HEADER_BOTH("Total", "records"),
1445 .name = "tot_recs",
1446 .cmp = tot_recs_cmp,
1447 .entry = tot_recs_entry,
1448 .width = 7,
1449};
1450
1451static struct c2c_dimension dim_tot_loads = {
1452 .header = HEADER_BOTH("Total", "Loads"),
1453 .name = "tot_loads",
1454 .cmp = tot_loads_cmp,
1455 .entry = tot_loads_entry,
1456 .width = 7,
1457};
1458
1459static struct c2c_header percent_hitm_header[] = {
1460 [DISPLAY_LCL] = HEADER_BOTH("Lcl", "Hitm"),
1461 [DISPLAY_RMT] = HEADER_BOTH("Rmt", "Hitm"),
1462 [DISPLAY_TOT] = HEADER_BOTH("Tot", "Hitm"),
1463};
1464
1465static struct c2c_dimension dim_percent_hitm = {
1466 .name = "percent_hitm",
1467 .cmp = percent_hitm_cmp,
1468 .entry = percent_hitm_entry,
1469 .color = percent_hitm_color,
1470 .width = 7,
1471};
1472
1473static struct c2c_dimension dim_percent_rmt_hitm = {
1474 .header = HEADER_SPAN("----- HITM -----", "Rmt", 1),
1475 .name = "percent_rmt_hitm",
1476 .cmp = percent_rmt_hitm_cmp,
1477 .entry = percent_rmt_hitm_entry,
1478 .color = percent_rmt_hitm_color,
1479 .width = 7,
1480};
1481
1482static struct c2c_dimension dim_percent_lcl_hitm = {
1483 .header = HEADER_SPAN_LOW("Lcl"),
1484 .name = "percent_lcl_hitm",
1485 .cmp = percent_lcl_hitm_cmp,
1486 .entry = percent_lcl_hitm_entry,
1487 .color = percent_lcl_hitm_color,
1488 .width = 7,
1489};
1490
1491static struct c2c_dimension dim_percent_stores_l1hit = {
1492 .header = HEADER_SPAN("-- Store Refs --", "L1 Hit", 1),
1493 .name = "percent_stores_l1hit",
1494 .cmp = percent_stores_l1hit_cmp,
1495 .entry = percent_stores_l1hit_entry,
1496 .color = percent_stores_l1hit_color,
1497 .width = 7,
1498};
1499
1500static struct c2c_dimension dim_percent_stores_l1miss = {
1501 .header = HEADER_SPAN_LOW("L1 Miss"),
1502 .name = "percent_stores_l1miss",
1503 .cmp = percent_stores_l1miss_cmp,
1504 .entry = percent_stores_l1miss_entry,
1505 .color = percent_stores_l1miss_color,
1506 .width = 7,
1507};
1508
1509static struct c2c_dimension dim_dram_lcl = {
1510 .header = HEADER_SPAN("--- Load Dram ----", "Lcl", 1),
1511 .name = "dram_lcl",
1512 .cmp = lcl_dram_cmp,
1513 .entry = lcl_dram_entry,
1514 .width = 8,
1515};
1516
1517static struct c2c_dimension dim_dram_rmt = {
1518 .header = HEADER_SPAN_LOW("Rmt"),
1519 .name = "dram_rmt",
1520 .cmp = rmt_dram_cmp,
1521 .entry = rmt_dram_entry,
1522 .width = 8,
1523};
1524
1525static struct c2c_dimension dim_pid = {
1526 .header = HEADER_LOW("Pid"),
1527 .name = "pid",
1528 .cmp = pid_cmp,
1529 .entry = pid_entry,
1530 .width = 7,
1531};
1532
1533static struct c2c_dimension dim_tid = {
1534 .header = HEADER_LOW("Tid"),
1535 .name = "tid",
1536 .se = &sort_thread,
1537};
1538
1539static struct c2c_dimension dim_symbol = {
1540 .name = "symbol",
1541 .se = &sort_sym,
1542};
1543
1544static struct c2c_dimension dim_dso = {
1545 .header = HEADER_BOTH("Shared", "Object"),
1546 .name = "dso",
1547 .se = &sort_dso,
1548};
1549
1550static struct c2c_header header_node[3] = {
1551 HEADER_LOW("Node"),
1552 HEADER_LOW("Node{cpus %hitms %stores}"),
1553 HEADER_LOW("Node{cpu list}"),
1554};
1555
1556static struct c2c_dimension dim_node = {
1557 .name = "node",
1558 .cmp = empty_cmp,
1559 .entry = node_entry,
1560 .width = 4,
1561};
1562
1563static struct c2c_dimension dim_mean_rmt = {
1564 .header = HEADER_SPAN("---------- cycles ----------", "rmt hitm", 2),
1565 .name = "mean_rmt",
1566 .cmp = empty_cmp,
1567 .entry = mean_rmt_entry,
1568 .width = 8,
1569};
1570
1571static struct c2c_dimension dim_mean_lcl = {
1572 .header = HEADER_SPAN_LOW("lcl hitm"),
1573 .name = "mean_lcl",
1574 .cmp = empty_cmp,
1575 .entry = mean_lcl_entry,
1576 .width = 8,
1577};
1578
1579static struct c2c_dimension dim_mean_load = {
1580 .header = HEADER_SPAN_LOW("load"),
1581 .name = "mean_load",
1582 .cmp = empty_cmp,
1583 .entry = mean_load_entry,
1584 .width = 8,
1585};
1586
1587static struct c2c_dimension dim_cpucnt = {
1588 .header = HEADER_BOTH("cpu", "cnt"),
1589 .name = "cpucnt",
1590 .cmp = empty_cmp,
1591 .entry = cpucnt_entry,
1592 .width = 8,
1593};
1594
1595static struct c2c_dimension dim_srcline = {
1596 .name = "cl_srcline",
1597 .se = &sort_srcline,
1598};
1599
1600static struct c2c_dimension dim_dcacheline_idx = {
1601 .header = HEADER_LOW("Index"),
1602 .name = "cl_idx",
1603 .cmp = empty_cmp,
1604 .entry = cl_idx_entry,
1605 .width = 5,
1606};
1607
1608static struct c2c_dimension dim_dcacheline_num = {
1609 .header = HEADER_LOW("Num"),
1610 .name = "cl_num",
1611 .cmp = empty_cmp,
1612 .entry = cl_idx_entry,
1613 .width = 5,
1614};
1615
1616static struct c2c_dimension dim_dcacheline_num_empty = {
1617 .header = HEADER_LOW("Num"),
1618 .name = "cl_num_empty",
1619 .cmp = empty_cmp,
1620 .entry = cl_idx_empty_entry,
1621 .width = 5,
1622};
1623
1624static struct c2c_dimension *dimensions[] = {
1625 &dim_dcacheline,
1626 &dim_dcacheline_node,
1627 &dim_dcacheline_count,
1628 &dim_offset,
1629 &dim_offset_node,
1630 &dim_iaddr,
1631 &dim_tot_hitm,
1632 &dim_lcl_hitm,
1633 &dim_rmt_hitm,
1634 &dim_cl_lcl_hitm,
1635 &dim_cl_rmt_hitm,
1636 &dim_stores,
1637 &dim_stores_l1hit,
1638 &dim_stores_l1miss,
1639 &dim_cl_stores_l1hit,
1640 &dim_cl_stores_l1miss,
1641 &dim_ld_fbhit,
1642 &dim_ld_l1hit,
1643 &dim_ld_l2hit,
1644 &dim_ld_llchit,
1645 &dim_ld_rmthit,
1646 &dim_ld_llcmiss,
1647 &dim_tot_recs,
1648 &dim_tot_loads,
1649 &dim_percent_hitm,
1650 &dim_percent_rmt_hitm,
1651 &dim_percent_lcl_hitm,
1652 &dim_percent_stores_l1hit,
1653 &dim_percent_stores_l1miss,
1654 &dim_dram_lcl,
1655 &dim_dram_rmt,
1656 &dim_pid,
1657 &dim_tid,
1658 &dim_symbol,
1659 &dim_dso,
1660 &dim_node,
1661 &dim_mean_rmt,
1662 &dim_mean_lcl,
1663 &dim_mean_load,
1664 &dim_cpucnt,
1665 &dim_srcline,
1666 &dim_dcacheline_idx,
1667 &dim_dcacheline_num,
1668 &dim_dcacheline_num_empty,
1669 NULL,
1670};
1671
1672static void fmt_free(struct perf_hpp_fmt *fmt)
1673{
1674 struct c2c_fmt *c2c_fmt;
1675
1676 c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
1677 free(c2c_fmt);
1678}
1679
1680static bool fmt_equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b)
1681{
1682 struct c2c_fmt *c2c_a = container_of(a, struct c2c_fmt, fmt);
1683 struct c2c_fmt *c2c_b = container_of(b, struct c2c_fmt, fmt);
1684
1685 return c2c_a->dim == c2c_b->dim;
1686}
1687
1688static struct c2c_dimension *get_dimension(const char *name)
1689{
1690 unsigned int i;
1691
1692 for (i = 0; dimensions[i]; i++) {
1693 struct c2c_dimension *dim = dimensions[i];
1694
1695 if (!strcmp(dim->name, name))
1696 return dim;
1697 };
1698
1699 return NULL;
1700}
1701
1702static int c2c_se_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1703 struct hist_entry *he)
1704{
1705 struct c2c_fmt *c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
1706 struct c2c_dimension *dim = c2c_fmt->dim;
1707 size_t len = fmt->user_len;
1708
1709 if (!len) {
1710 len = hists__col_len(he->hists, dim->se->se_width_idx);
1711
1712 if (dim == &dim_symbol || dim == &dim_srcline)
1713 len = symbol_width(he->hists, dim->se);
1714 }
1715
1716 return dim->se->se_snprintf(he, hpp->buf, hpp->size, len);
1717}
1718
1719static int64_t c2c_se_cmp(struct perf_hpp_fmt *fmt,
1720 struct hist_entry *a, struct hist_entry *b)
1721{
1722 struct c2c_fmt *c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
1723 struct c2c_dimension *dim = c2c_fmt->dim;
1724
1725 return dim->se->se_cmp(a, b);
1726}
1727
1728static int64_t c2c_se_collapse(struct perf_hpp_fmt *fmt,
1729 struct hist_entry *a, struct hist_entry *b)
1730{
1731 struct c2c_fmt *c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
1732 struct c2c_dimension *dim = c2c_fmt->dim;
1733 int64_t (*collapse_fn)(struct hist_entry *, struct hist_entry *);
1734
1735 collapse_fn = dim->se->se_collapse ?: dim->se->se_cmp;
1736 return collapse_fn(a, b);
1737}
1738
1739static struct c2c_fmt *get_format(const char *name)
1740{
1741 struct c2c_dimension *dim = get_dimension(name);
1742 struct c2c_fmt *c2c_fmt;
1743 struct perf_hpp_fmt *fmt;
1744
1745 if (!dim)
1746 return NULL;
1747
1748 c2c_fmt = zalloc(sizeof(*c2c_fmt));
1749 if (!c2c_fmt)
1750 return NULL;
1751
1752 c2c_fmt->dim = dim;
1753
1754 fmt = &c2c_fmt->fmt;
1755 INIT_LIST_HEAD(&fmt->list);
1756 INIT_LIST_HEAD(&fmt->sort_list);
1757
1758 fmt->cmp = dim->se ? c2c_se_cmp : dim->cmp;
1759 fmt->sort = dim->se ? c2c_se_cmp : dim->cmp;
1760 fmt->color = dim->se ? NULL : dim->color;
1761 fmt->entry = dim->se ? c2c_se_entry : dim->entry;
1762 fmt->header = c2c_header;
1763 fmt->width = c2c_width;
1764 fmt->collapse = dim->se ? c2c_se_collapse : dim->cmp;
1765 fmt->equal = fmt_equal;
1766 fmt->free = fmt_free;
1767
1768 return c2c_fmt;
1769}
1770
1771static int c2c_hists__init_output(struct perf_hpp_list *hpp_list, char *name)
1772{
1773 struct c2c_fmt *c2c_fmt = get_format(name);
1774
1775 if (!c2c_fmt) {
1776 reset_dimensions();
1777 return output_field_add(hpp_list, name);
1778 }
1779
1780 perf_hpp_list__column_register(hpp_list, &c2c_fmt->fmt);
1781 return 0;
1782}
1783
1784static int c2c_hists__init_sort(struct perf_hpp_list *hpp_list, char *name)
1785{
1786 struct c2c_fmt *c2c_fmt = get_format(name);
1787 struct c2c_dimension *dim;
1788
1789 if (!c2c_fmt) {
1790 reset_dimensions();
1791 return sort_dimension__add(hpp_list, name, NULL, 0);
1792 }
1793
1794 dim = c2c_fmt->dim;
1795 if (dim == &dim_dso)
1796 hpp_list->dso = 1;
1797
1798 perf_hpp_list__register_sort_field(hpp_list, &c2c_fmt->fmt);
1799 return 0;
1800}
1801
1802#define PARSE_LIST(_list, _fn) \
1803 do { \
1804 char *tmp, *tok; \
1805 ret = 0; \
1806 \
1807 if (!_list) \
1808 break; \
1809 \
1810 for (tok = strtok_r((char *)_list, ", ", &tmp); \
1811 tok; tok = strtok_r(NULL, ", ", &tmp)) { \
1812 ret = _fn(hpp_list, tok); \
1813 if (ret == -EINVAL) { \
1814 pr_err("Invalid --fields key: `%s'", tok); \
1815 break; \
1816 } else if (ret == -ESRCH) { \
1817 pr_err("Unknown --fields key: `%s'", tok); \
1818 break; \
1819 } \
1820 } \
1821 } while (0)
1822
1823static int hpp_list__parse(struct perf_hpp_list *hpp_list,
1824 const char *output_,
1825 const char *sort_)
1826{
1827 char *output = output_ ? strdup(output_) : NULL;
1828 char *sort = sort_ ? strdup(sort_) : NULL;
1829 int ret;
1830
1831 PARSE_LIST(output, c2c_hists__init_output);
1832 PARSE_LIST(sort, c2c_hists__init_sort);
1833
1834 /* copy sort keys to output fields */
1835 perf_hpp__setup_output_field(hpp_list);
1836
1837 /*
1838 * We dont need other sorting keys other than those
1839 * we already specified. It also really slows down
1840 * the processing a lot with big number of output
1841 * fields, so switching this off for c2c.
1842 */
1843
1844#if 0
1845 /* and then copy output fields to sort keys */
1846 perf_hpp__append_sort_keys(&hists->list);
1847#endif
1848
1849 free(output);
1850 free(sort);
1851 return ret;
1852}
1853
1854static int c2c_hists__init(struct c2c_hists *hists,
1855 const char *sort,
1856 int nr_header_lines)
1857{
1858 __hists__init(&hists->hists, &hists->list);
1859
1860 /*
1861 * Initialize only with sort fields, we need to resort
1862 * later anyway, and that's where we add output fields
1863 * as well.
1864 */
1865 perf_hpp_list__init(&hists->list);
1866
1867 /* Overload number of header lines.*/
1868 hists->list.nr_header_lines = nr_header_lines;
1869
1870 return hpp_list__parse(&hists->list, NULL, sort);
1871}
1872
1873static int c2c_hists__reinit(struct c2c_hists *c2c_hists,
1874 const char *output,
1875 const char *sort)
1876{
1877 perf_hpp__reset_output_field(&c2c_hists->list);
1878 return hpp_list__parse(&c2c_hists->list, output, sort);
1879}
1880
1881#define DISPLAY_LINE_LIMIT 0.0005
1882
1883static bool he__display(struct hist_entry *he, struct c2c_stats *stats)
1884{
1885 struct c2c_hist_entry *c2c_he;
1886 double ld_dist;
1887
1888 if (c2c.show_all)
1889 return true;
1890
1891 c2c_he = container_of(he, struct c2c_hist_entry, he);
1892
1893#define FILTER_HITM(__h) \
1894 if (stats->__h) { \
1895 ld_dist = ((double)c2c_he->stats.__h / stats->__h); \
1896 if (ld_dist < DISPLAY_LINE_LIMIT) \
1897 he->filtered = HIST_FILTER__C2C; \
1898 } else { \
1899 he->filtered = HIST_FILTER__C2C; \
1900 }
1901
1902 switch (c2c.display) {
1903 case DISPLAY_LCL:
1904 FILTER_HITM(lcl_hitm);
1905 break;
1906 case DISPLAY_RMT:
1907 FILTER_HITM(rmt_hitm);
1908 break;
1909 case DISPLAY_TOT:
1910 FILTER_HITM(tot_hitm);
1911 default:
1912 break;
1913 };
1914
1915#undef FILTER_HITM
1916
1917 return he->filtered == 0;
1918}
1919
1920static inline int valid_hitm_or_store(struct hist_entry *he)
1921{
1922 struct c2c_hist_entry *c2c_he;
1923 bool has_hitm;
1924
1925 c2c_he = container_of(he, struct c2c_hist_entry, he);
1926 has_hitm = c2c.display == DISPLAY_TOT ? c2c_he->stats.tot_hitm :
1927 c2c.display == DISPLAY_LCL ? c2c_he->stats.lcl_hitm :
1928 c2c_he->stats.rmt_hitm;
1929 return has_hitm || c2c_he->stats.store;
1930}
1931
1932static void set_node_width(struct c2c_hist_entry *c2c_he, int len)
1933{
1934 struct c2c_dimension *dim;
1935
1936 dim = &c2c.hists == c2c_he->hists ?
1937 &dim_dcacheline_node : &dim_offset_node;
1938
1939 if (len > dim->width)
1940 dim->width = len;
1941}
1942
1943static int set_nodestr(struct c2c_hist_entry *c2c_he)
1944{
1945 char buf[30];
1946 int len;
1947
1948 if (c2c_he->nodestr)
1949 return 0;
1950
1951 if (bitmap_weight(c2c_he->nodeset, c2c.nodes_cnt)) {
1952 len = bitmap_scnprintf(c2c_he->nodeset, c2c.nodes_cnt,
1953 buf, sizeof(buf));
1954 } else {
1955 len = scnprintf(buf, sizeof(buf), "N/A");
1956 }
1957
1958 set_node_width(c2c_he, len);
1959 c2c_he->nodestr = strdup(buf);
1960 return c2c_he->nodestr ? 0 : -ENOMEM;
1961}
1962
1963static void calc_width(struct c2c_hist_entry *c2c_he)
1964{
1965 struct c2c_hists *c2c_hists;
1966
1967 c2c_hists = container_of(c2c_he->he.hists, struct c2c_hists, hists);
1968 hists__calc_col_len(&c2c_hists->hists, &c2c_he->he);
1969 set_nodestr(c2c_he);
1970}
1971
1972static int filter_cb(struct hist_entry *he)
1973{
1974 struct c2c_hist_entry *c2c_he;
1975
1976 c2c_he = container_of(he, struct c2c_hist_entry, he);
1977
1978 if (c2c.show_src && !he->srcline)
1979 he->srcline = hist_entry__get_srcline(he);
1980
1981 calc_width(c2c_he);
1982
1983 if (!valid_hitm_or_store(he))
1984 he->filtered = HIST_FILTER__C2C;
1985
1986 return 0;
1987}
1988
1989static int resort_cl_cb(struct hist_entry *he)
1990{
1991 struct c2c_hist_entry *c2c_he;
1992 struct c2c_hists *c2c_hists;
1993 bool display = he__display(he, &c2c.hitm_stats);
1994
1995 c2c_he = container_of(he, struct c2c_hist_entry, he);
1996 c2c_hists = c2c_he->hists;
1997
1998 if (display && c2c_hists) {
1999 static unsigned int idx;
2000
2001 c2c_he->cacheline_idx = idx++;
2002 calc_width(c2c_he);
2003
2004 c2c_hists__reinit(c2c_hists, c2c.cl_output, c2c.cl_resort);
2005
2006 hists__collapse_resort(&c2c_hists->hists, NULL);
2007 hists__output_resort_cb(&c2c_hists->hists, NULL, filter_cb);
2008 }
2009
2010 return 0;
2011}
2012
2013static void setup_nodes_header(void)
2014{
2015 dim_node.header = header_node[c2c.node_info];
2016}
2017
2018static int setup_nodes(struct perf_session *session)
2019{
2020 struct numa_node *n;
2021 unsigned long **nodes;
2022 int node, cpu;
2023 int *cpu2node;
2024
2025 if (c2c.node_info > 2)
2026 c2c.node_info = 2;
2027
2028 c2c.nodes_cnt = session->header.env.nr_numa_nodes;
2029 c2c.cpus_cnt = session->header.env.nr_cpus_online;
2030
2031 n = session->header.env.numa_nodes;
2032 if (!n)
2033 return -EINVAL;
2034
2035 nodes = zalloc(sizeof(unsigned long *) * c2c.nodes_cnt);
2036 if (!nodes)
2037 return -ENOMEM;
2038
2039 c2c.nodes = nodes;
2040
2041 cpu2node = zalloc(sizeof(int) * c2c.cpus_cnt);
2042 if (!cpu2node)
2043 return -ENOMEM;
2044
2045 for (cpu = 0; cpu < c2c.cpus_cnt; cpu++)
2046 cpu2node[cpu] = -1;
2047
2048 c2c.cpu2node = cpu2node;
2049
2050 for (node = 0; node < c2c.nodes_cnt; node++) {
2051 struct cpu_map *map = n[node].map;
2052 unsigned long *set;
2053
2054 set = bitmap_alloc(c2c.cpus_cnt);
2055 if (!set)
2056 return -ENOMEM;
2057
2058 for (cpu = 0; cpu < map->nr; cpu++) {
2059 set_bit(map->map[cpu], set);
2060
2061 if (WARN_ONCE(cpu2node[map->map[cpu]] != -1, "node/cpu topology bug"))
2062 return -EINVAL;
2063
2064 cpu2node[map->map[cpu]] = node;
2065 }
2066
2067 nodes[node] = set;
2068 }
2069
2070 setup_nodes_header();
2071 return 0;
2072}
2073
2074#define HAS_HITMS(__h) ((__h)->stats.lcl_hitm || (__h)->stats.rmt_hitm)
2075
2076static int resort_hitm_cb(struct hist_entry *he)
2077{
2078 struct c2c_hist_entry *c2c_he;
2079 c2c_he = container_of(he, struct c2c_hist_entry, he);
2080
2081 if (HAS_HITMS(c2c_he)) {
2082 c2c.shared_clines++;
2083 c2c_add_stats(&c2c.hitm_stats, &c2c_he->stats);
2084 }
2085
2086 return 0;
2087}
2088
2089static int hists__iterate_cb(struct hists *hists, hists__resort_cb_t cb)
2090{
2091 struct rb_node *next = rb_first(&hists->entries);
2092 int ret = 0;
2093
2094 while (next) {
2095 struct hist_entry *he;
2096
2097 he = rb_entry(next, struct hist_entry, rb_node);
2098 ret = cb(he);
2099 if (ret)
2100 break;
2101 next = rb_next(&he->rb_node);
2102 }
2103
2104 return ret;
2105}
2106
2107static void print_c2c__display_stats(FILE *out)
2108{
2109 int llc_misses;
2110 struct c2c_stats *stats = &c2c.hists.stats;
2111
2112 llc_misses = stats->lcl_dram +
2113 stats->rmt_dram +
2114 stats->rmt_hit +
2115 stats->rmt_hitm;
2116
2117 fprintf(out, "=================================================\n");
2118 fprintf(out, " Trace Event Information \n");
2119 fprintf(out, "=================================================\n");
2120 fprintf(out, " Total records : %10d\n", stats->nr_entries);
2121 fprintf(out, " Locked Load/Store Operations : %10d\n", stats->locks);
2122 fprintf(out, " Load Operations : %10d\n", stats->load);
2123 fprintf(out, " Loads - uncacheable : %10d\n", stats->ld_uncache);
2124 fprintf(out, " Loads - IO : %10d\n", stats->ld_io);
2125 fprintf(out, " Loads - Miss : %10d\n", stats->ld_miss);
2126 fprintf(out, " Loads - no mapping : %10d\n", stats->ld_noadrs);
2127 fprintf(out, " Load Fill Buffer Hit : %10d\n", stats->ld_fbhit);
2128 fprintf(out, " Load L1D hit : %10d\n", stats->ld_l1hit);
2129 fprintf(out, " Load L2D hit : %10d\n", stats->ld_l2hit);
2130 fprintf(out, " Load LLC hit : %10d\n", stats->ld_llchit + stats->lcl_hitm);
2131 fprintf(out, " Load Local HITM : %10d\n", stats->lcl_hitm);
2132 fprintf(out, " Load Remote HITM : %10d\n", stats->rmt_hitm);
2133 fprintf(out, " Load Remote HIT : %10d\n", stats->rmt_hit);
2134 fprintf(out, " Load Local DRAM : %10d\n", stats->lcl_dram);
2135 fprintf(out, " Load Remote DRAM : %10d\n", stats->rmt_dram);
2136 fprintf(out, " Load MESI State Exclusive : %10d\n", stats->ld_excl);
2137 fprintf(out, " Load MESI State Shared : %10d\n", stats->ld_shared);
2138 fprintf(out, " Load LLC Misses : %10d\n", llc_misses);
2139 fprintf(out, " LLC Misses to Local DRAM : %10.1f%%\n", ((double)stats->lcl_dram/(double)llc_misses) * 100.);
2140 fprintf(out, " LLC Misses to Remote DRAM : %10.1f%%\n", ((double)stats->rmt_dram/(double)llc_misses) * 100.);
2141 fprintf(out, " LLC Misses to Remote cache (HIT) : %10.1f%%\n", ((double)stats->rmt_hit /(double)llc_misses) * 100.);
2142 fprintf(out, " LLC Misses to Remote cache (HITM) : %10.1f%%\n", ((double)stats->rmt_hitm/(double)llc_misses) * 100.);
2143 fprintf(out, " Store Operations : %10d\n", stats->store);
2144 fprintf(out, " Store - uncacheable : %10d\n", stats->st_uncache);
2145 fprintf(out, " Store - no mapping : %10d\n", stats->st_noadrs);
2146 fprintf(out, " Store L1D Hit : %10d\n", stats->st_l1hit);
2147 fprintf(out, " Store L1D Miss : %10d\n", stats->st_l1miss);
2148 fprintf(out, " No Page Map Rejects : %10d\n", stats->nomap);
2149 fprintf(out, " Unable to parse data source : %10d\n", stats->noparse);
2150}
2151
2152static void print_shared_cacheline_info(FILE *out)
2153{
2154 struct c2c_stats *stats = &c2c.hitm_stats;
2155 int hitm_cnt = stats->lcl_hitm + stats->rmt_hitm;
2156
2157 fprintf(out, "=================================================\n");
2158 fprintf(out, " Global Shared Cache Line Event Information \n");
2159 fprintf(out, "=================================================\n");
2160 fprintf(out, " Total Shared Cache Lines : %10d\n", c2c.shared_clines);
2161 fprintf(out, " Load HITs on shared lines : %10d\n", stats->load);
2162 fprintf(out, " Fill Buffer Hits on shared lines : %10d\n", stats->ld_fbhit);
2163 fprintf(out, " L1D hits on shared lines : %10d\n", stats->ld_l1hit);
2164 fprintf(out, " L2D hits on shared lines : %10d\n", stats->ld_l2hit);
2165 fprintf(out, " LLC hits on shared lines : %10d\n", stats->ld_llchit + stats->lcl_hitm);
2166 fprintf(out, " Locked Access on shared lines : %10d\n", stats->locks);
2167 fprintf(out, " Store HITs on shared lines : %10d\n", stats->store);
2168 fprintf(out, " Store L1D hits on shared lines : %10d\n", stats->st_l1hit);
2169 fprintf(out, " Total Merged records : %10d\n", hitm_cnt + stats->store);
2170}
2171
2172static void print_cacheline(struct c2c_hists *c2c_hists,
2173 struct hist_entry *he_cl,
2174 struct perf_hpp_list *hpp_list,
2175 FILE *out)
2176{
2177 char bf[1000];
2178 struct perf_hpp hpp = {
2179 .buf = bf,
2180 .size = 1000,
2181 };
2182 static bool once;
2183
2184 if (!once) {
2185 hists__fprintf_headers(&c2c_hists->hists, out);
2186 once = true;
2187 } else {
2188 fprintf(out, "\n");
2189 }
2190
2191 fprintf(out, " -------------------------------------------------------------\n");
2192 __hist_entry__snprintf(he_cl, &hpp, hpp_list);
2193 fprintf(out, "%s\n", bf);
2194 fprintf(out, " -------------------------------------------------------------\n");
2195
2196 hists__fprintf(&c2c_hists->hists, false, 0, 0, 0, out, true);
2197}
2198
2199static void print_pareto(FILE *out)
2200{
2201 struct perf_hpp_list hpp_list;
2202 struct rb_node *nd;
2203 int ret;
2204
2205 perf_hpp_list__init(&hpp_list);
2206 ret = hpp_list__parse(&hpp_list,
2207 "cl_num,"
2208 "cl_rmt_hitm,"
2209 "cl_lcl_hitm,"
2210 "cl_stores_l1hit,"
2211 "cl_stores_l1miss,"
2212 "dcacheline",
2213 NULL);
2214
2215 if (WARN_ONCE(ret, "failed to setup sort entries\n"))
2216 return;
2217
2218 nd = rb_first(&c2c.hists.hists.entries);
2219
2220 for (; nd; nd = rb_next(nd)) {
2221 struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node);
2222 struct c2c_hist_entry *c2c_he;
2223
2224 if (he->filtered)
2225 continue;
2226
2227 c2c_he = container_of(he, struct c2c_hist_entry, he);
2228 print_cacheline(c2c_he->hists, he, &hpp_list, out);
2229 }
2230}
2231
2232static void print_c2c_info(FILE *out, struct perf_session *session)
2233{
2234 struct perf_evlist *evlist = session->evlist;
2235 struct perf_evsel *evsel;
2236 bool first = true;
2237
2238 fprintf(out, "=================================================\n");
2239 fprintf(out, " c2c details \n");
2240 fprintf(out, "=================================================\n");
2241
2242 evlist__for_each_entry(evlist, evsel) {
2243 fprintf(out, "%-36s: %s\n", first ? " Events" : "",
2244 perf_evsel__name(evsel));
2245 first = false;
2246 }
2247 fprintf(out, " Cachelines sort on : %s HITMs\n",
2248 display_str[c2c.display]);
2249 fprintf(out, " Cacheline data grouping : %s\n", c2c.cl_sort);
2250}
2251
2252static void perf_c2c__hists_fprintf(FILE *out, struct perf_session *session)
2253{
2254 setup_pager();
2255
2256 print_c2c__display_stats(out);
2257 fprintf(out, "\n");
2258 print_shared_cacheline_info(out);
2259 fprintf(out, "\n");
2260 print_c2c_info(out, session);
2261
2262 if (c2c.stats_only)
2263 return;
2264
2265 fprintf(out, "\n");
2266 fprintf(out, "=================================================\n");
2267 fprintf(out, " Shared Data Cache Line Table \n");
2268 fprintf(out, "=================================================\n");
2269 fprintf(out, "#\n");
2270
2271 hists__fprintf(&c2c.hists.hists, true, 0, 0, 0, stdout, false);
2272
2273 fprintf(out, "\n");
2274 fprintf(out, "=================================================\n");
2275 fprintf(out, " Shared Cache Line Distribution Pareto \n");
2276 fprintf(out, "=================================================\n");
2277 fprintf(out, "#\n");
2278
2279 print_pareto(out);
2280}
2281
2282#ifdef HAVE_SLANG_SUPPORT
2283static void c2c_browser__update_nr_entries(struct hist_browser *hb)
2284{
2285 u64 nr_entries = 0;
2286 struct rb_node *nd = rb_first(&hb->hists->entries);
2287
2288 while (nd) {
2289 struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node);
2290
2291 if (!he->filtered)
2292 nr_entries++;
2293
2294 nd = rb_next(nd);
2295 }
2296
2297 hb->nr_non_filtered_entries = nr_entries;
2298}
2299
2300struct c2c_cacheline_browser {
2301 struct hist_browser hb;
2302 struct hist_entry *he;
2303};
2304
2305static int
2306perf_c2c_cacheline_browser__title(struct hist_browser *browser,
2307 char *bf, size_t size)
2308{
2309 struct c2c_cacheline_browser *cl_browser;
2310 struct hist_entry *he;
2311 uint64_t addr = 0;
2312
2313 cl_browser = container_of(browser, struct c2c_cacheline_browser, hb);
2314 he = cl_browser->he;
2315
2316 if (he->mem_info)
2317 addr = cl_address(he->mem_info->daddr.addr);
2318
2319 scnprintf(bf, size, "Cacheline 0x%lx", addr);
2320 return 0;
2321}
2322
2323static struct c2c_cacheline_browser*
2324c2c_cacheline_browser__new(struct hists *hists, struct hist_entry *he)
2325{
2326 struct c2c_cacheline_browser *browser;
2327
2328 browser = zalloc(sizeof(*browser));
2329 if (browser) {
2330 hist_browser__init(&browser->hb, hists);
2331 browser->hb.c2c_filter = true;
2332 browser->hb.title = perf_c2c_cacheline_browser__title;
2333 browser->he = he;
2334 }
2335
2336 return browser;
2337}
2338
2339static int perf_c2c__browse_cacheline(struct hist_entry *he)
2340{
2341 struct c2c_hist_entry *c2c_he;
2342 struct c2c_hists *c2c_hists;
2343 struct c2c_cacheline_browser *cl_browser;
2344 struct hist_browser *browser;
2345 int key = -1;
2346 const char help[] =
2347 " ENTER Toggle callchains (if present) \n"
2348 " n Toggle Node details info \n"
2349 " s Toggle full length of symbol and source line columns \n"
2350 " q Return back to cacheline list \n";
2351
2352 /* Display compact version first. */
2353 c2c.symbol_full = false;
2354
2355 c2c_he = container_of(he, struct c2c_hist_entry, he);
2356 c2c_hists = c2c_he->hists;
2357
2358 cl_browser = c2c_cacheline_browser__new(&c2c_hists->hists, he);
2359 if (cl_browser == NULL)
2360 return -1;
2361
2362 browser = &cl_browser->hb;
2363
2364 /* reset abort key so that it can get Ctrl-C as a key */
2365 SLang_reset_tty();
2366 SLang_init_tty(0, 0, 0);
2367
2368 c2c_browser__update_nr_entries(browser);
2369
2370 while (1) {
2371 key = hist_browser__run(browser, "? - help", true);
2372
2373 switch (key) {
2374 case 's':
2375 c2c.symbol_full = !c2c.symbol_full;
2376 break;
2377 case 'n':
2378 c2c.node_info = (c2c.node_info + 1) % 3;
2379 setup_nodes_header();
2380 break;
2381 case 'q':
2382 goto out;
2383 case '?':
2384 ui_browser__help_window(&browser->b, help);
2385 break;
2386 default:
2387 break;
2388 }
2389 }
2390
2391out:
2392 free(cl_browser);
2393 return 0;
2394}
2395
2396static int perf_c2c_browser__title(struct hist_browser *browser,
2397 char *bf, size_t size)
2398{
2399 scnprintf(bf, size,
2400 "Shared Data Cache Line Table "
2401 "(%lu entries, sorted on %s HITMs)",
2402 browser->nr_non_filtered_entries,
2403 display_str[c2c.display]);
2404 return 0;
2405}
2406
2407static struct hist_browser*
2408perf_c2c_browser__new(struct hists *hists)
2409{
2410 struct hist_browser *browser = hist_browser__new(hists);
2411
2412 if (browser) {
2413 browser->title = perf_c2c_browser__title;
2414 browser->c2c_filter = true;
2415 }
2416
2417 return browser;
2418}
2419
2420static int perf_c2c__hists_browse(struct hists *hists)
2421{
2422 struct hist_browser *browser;
2423 int key = -1;
2424 const char help[] =
2425 " d Display cacheline details \n"
2426 " ENTER Toggle callchains (if present) \n"
2427 " q Quit \n";
2428
2429 browser = perf_c2c_browser__new(hists);
2430 if (browser == NULL)
2431 return -1;
2432
2433 /* reset abort key so that it can get Ctrl-C as a key */
2434 SLang_reset_tty();
2435 SLang_init_tty(0, 0, 0);
2436
2437 c2c_browser__update_nr_entries(browser);
2438
2439 while (1) {
2440 key = hist_browser__run(browser, "? - help", true);
2441
2442 switch (key) {
2443 case 'q':
2444 goto out;
2445 case 'd':
2446 perf_c2c__browse_cacheline(browser->he_selection);
2447 break;
2448 case '?':
2449 ui_browser__help_window(&browser->b, help);
2450 break;
2451 default:
2452 break;
2453 }
2454 }
2455
2456out:
2457 hist_browser__delete(browser);
2458 return 0;
2459}
2460
2461static void perf_c2c_display(struct perf_session *session)
2462{
2463 if (use_browser == 0)
2464 perf_c2c__hists_fprintf(stdout, session);
2465 else
2466 perf_c2c__hists_browse(&c2c.hists.hists);
2467}
2468#else
2469static void perf_c2c_display(struct perf_session *session)
2470{
2471 use_browser = 0;
2472 perf_c2c__hists_fprintf(stdout, session);
2473}
2474#endif /* HAVE_SLANG_SUPPORT */
2475
2476static char *fill_line(const char *orig, int len)
2477{
2478 int i, j, olen = strlen(orig);
2479 char *buf;
2480
2481 buf = zalloc(len + 1);
2482 if (!buf)
2483 return NULL;
2484
2485 j = len / 2 - olen / 2;
2486
2487 for (i = 0; i < j - 1; i++)
2488 buf[i] = '-';
2489
2490 buf[i++] = ' ';
2491
2492 strcpy(buf + i, orig);
2493
2494 i += olen;
2495
2496 buf[i++] = ' ';
2497
2498 for (; i < len; i++)
2499 buf[i] = '-';
2500
2501 return buf;
2502}
2503
2504static int ui_quirks(void)
2505{
2506 const char *nodestr = "Data address";
2507 char *buf;
2508
2509 if (!c2c.use_stdio) {
2510 dim_offset.width = 5;
2511 dim_offset.header = header_offset_tui;
2512 nodestr = "CL";
2513 }
2514
2515 dim_percent_hitm.header = percent_hitm_header[c2c.display];
2516
2517 /* Fix the zero line for dcacheline column. */
2518 buf = fill_line("Cacheline", dim_dcacheline.width +
2519 dim_dcacheline_node.width +
2520 dim_dcacheline_count.width + 4);
2521 if (!buf)
2522 return -ENOMEM;
2523
2524 dim_dcacheline.header.line[0].text = buf;
2525
2526 /* Fix the zero line for offset column. */
2527 buf = fill_line(nodestr, dim_offset.width +
2528 dim_offset_node.width +
2529 dim_dcacheline_count.width + 4);
2530 if (!buf)
2531 return -ENOMEM;
2532
2533 dim_offset.header.line[0].text = buf;
2534
2535 return 0;
2536}
2537
2538#define CALLCHAIN_DEFAULT_OPT "graph,0.5,caller,function,percent"
2539
2540const char callchain_help[] = "Display call graph (stack chain/backtrace):\n\n"
2541 CALLCHAIN_REPORT_HELP
2542 "\n\t\t\t\tDefault: " CALLCHAIN_DEFAULT_OPT;
2543
2544static int
2545parse_callchain_opt(const struct option *opt, const char *arg, int unset)
2546{
2547 struct callchain_param *callchain = opt->value;
2548
2549 callchain->enabled = !unset;
2550 /*
2551 * --no-call-graph
2552 */
2553 if (unset) {
2554 symbol_conf.use_callchain = false;
2555 callchain->mode = CHAIN_NONE;
2556 return 0;
2557 }
2558
2559 return parse_callchain_report_opt(arg);
2560}
2561
2562static int setup_callchain(struct perf_evlist *evlist)
2563{
2564 u64 sample_type = perf_evlist__combined_sample_type(evlist);
2565 enum perf_call_graph_mode mode = CALLCHAIN_NONE;
2566
2567 if ((sample_type & PERF_SAMPLE_REGS_USER) &&
2568 (sample_type & PERF_SAMPLE_STACK_USER)) {
2569 mode = CALLCHAIN_DWARF;
2570 dwarf_callchain_users = true;
2571 } else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
2572 mode = CALLCHAIN_LBR;
2573 else if (sample_type & PERF_SAMPLE_CALLCHAIN)
2574 mode = CALLCHAIN_FP;
2575
2576 if (!callchain_param.enabled &&
2577 callchain_param.mode != CHAIN_NONE &&
2578 mode != CALLCHAIN_NONE) {
2579 symbol_conf.use_callchain = true;
2580 if (callchain_register_param(&callchain_param) < 0) {
2581 ui__error("Can't register callchain params.\n");
2582 return -EINVAL;
2583 }
2584 }
2585
2586 callchain_param.record_mode = mode;
2587 callchain_param.min_percent = 0;
2588 return 0;
2589}
2590
2591static int setup_display(const char *str)
2592{
2593 const char *display = str ?: "tot";
2594
2595 if (!strcmp(display, "tot"))
2596 c2c.display = DISPLAY_TOT;
2597 else if (!strcmp(display, "rmt"))
2598 c2c.display = DISPLAY_RMT;
2599 else if (!strcmp(display, "lcl"))
2600 c2c.display = DISPLAY_LCL;
2601 else {
2602 pr_err("failed: unknown display type: %s\n", str);
2603 return -1;
2604 }
2605
2606 return 0;
2607}
2608
2609#define for_each_token(__tok, __buf, __sep, __tmp) \
2610 for (__tok = strtok_r(__buf, __sep, &__tmp); __tok; \
2611 __tok = strtok_r(NULL, __sep, &__tmp))
2612
2613static int build_cl_output(char *cl_sort, bool no_source)
2614{
2615 char *tok, *tmp, *buf = strdup(cl_sort);
2616 bool add_pid = false;
2617 bool add_tid = false;
2618 bool add_iaddr = false;
2619 bool add_sym = false;
2620 bool add_dso = false;
2621 bool add_src = false;
2622
2623 if (!buf)
2624 return -ENOMEM;
2625
2626 for_each_token(tok, buf, ",", tmp) {
2627 if (!strcmp(tok, "tid")) {
2628 add_tid = true;
2629 } else if (!strcmp(tok, "pid")) {
2630 add_pid = true;
2631 } else if (!strcmp(tok, "iaddr")) {
2632 add_iaddr = true;
2633 add_sym = true;
2634 add_dso = true;
2635 add_src = no_source ? false : true;
2636 } else if (!strcmp(tok, "dso")) {
2637 add_dso = true;
2638 } else if (strcmp(tok, "offset")) {
2639 pr_err("unrecognized sort token: %s\n", tok);
2640 return -EINVAL;
2641 }
2642 }
2643
2644 if (asprintf(&c2c.cl_output,
2645 "%s%s%s%s%s%s%s%s%s%s",
2646 c2c.use_stdio ? "cl_num_empty," : "",
2647 "percent_rmt_hitm,"
2648 "percent_lcl_hitm,"
2649 "percent_stores_l1hit,"
2650 "percent_stores_l1miss,"
2651 "offset,offset_node,dcacheline_count,",
2652 add_pid ? "pid," : "",
2653 add_tid ? "tid," : "",
2654 add_iaddr ? "iaddr," : "",
2655 "mean_rmt,"
2656 "mean_lcl,"
2657 "mean_load,"
2658 "tot_recs,"
2659 "cpucnt,",
2660 add_sym ? "symbol," : "",
2661 add_dso ? "dso," : "",
2662 add_src ? "cl_srcline," : "",
2663 "node") < 0)
2664 return -ENOMEM;
2665
2666 c2c.show_src = add_src;
2667
2668 free(buf);
2669 return 0;
2670}
2671
2672static int setup_coalesce(const char *coalesce, bool no_source)
2673{
2674 const char *c = coalesce ?: coalesce_default;
2675
2676 if (asprintf(&c2c.cl_sort, "offset,%s", c) < 0)
2677 return -ENOMEM;
2678
2679 if (build_cl_output(c2c.cl_sort, no_source))
2680 return -1;
2681
2682 if (asprintf(&c2c.cl_resort, "offset,%s",
2683 c2c.display == DISPLAY_TOT ?
2684 "tot_hitm" :
2685 c2c.display == DISPLAY_RMT ?
2686 "rmt_hitm,lcl_hitm" :
2687 "lcl_hitm,rmt_hitm") < 0)
2688 return -ENOMEM;
2689
2690 pr_debug("coalesce sort fields: %s\n", c2c.cl_sort);
2691 pr_debug("coalesce resort fields: %s\n", c2c.cl_resort);
2692 pr_debug("coalesce output fields: %s\n", c2c.cl_output);
2693 return 0;
2694}
2695
2696static int perf_c2c__report(int argc, const char **argv)
2697{
2698 struct perf_session *session;
2699 struct ui_progress prog;
2700 struct perf_data data = {
2701 .mode = PERF_DATA_MODE_READ,
2702 };
2703 char callchain_default_opt[] = CALLCHAIN_DEFAULT_OPT;
2704 const char *display = NULL;
2705 const char *coalesce = NULL;
2706 bool no_source = false;
2707 const struct option options[] = {
2708 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
2709 "file", "vmlinux pathname"),
2710 OPT_STRING('i', "input", &input_name, "file",
2711 "the input file to process"),
2712 OPT_INCR('N', "node-info", &c2c.node_info,
2713 "show extra node info in report (repeat for more info)"),
2714#ifdef HAVE_SLANG_SUPPORT
2715 OPT_BOOLEAN(0, "stdio", &c2c.use_stdio, "Use the stdio interface"),
2716#endif
2717 OPT_BOOLEAN(0, "stats", &c2c.stats_only,
2718 "Display only statistic tables (implies --stdio)"),
2719 OPT_BOOLEAN(0, "full-symbols", &c2c.symbol_full,
2720 "Display full length of symbols"),
2721 OPT_BOOLEAN(0, "no-source", &no_source,
2722 "Do not display Source Line column"),
2723 OPT_BOOLEAN(0, "show-all", &c2c.show_all,
2724 "Show all captured HITM lines."),
2725 OPT_CALLBACK_DEFAULT('g', "call-graph", &callchain_param,
2726 "print_type,threshold[,print_limit],order,sort_key[,branch],value",
2727 callchain_help, &parse_callchain_opt,
2728 callchain_default_opt),
2729 OPT_STRING('d', "display", &display, "Switch HITM output type", "lcl,rmt"),
2730 OPT_STRING('c', "coalesce", &coalesce, "coalesce fields",
2731 "coalesce fields: pid,tid,iaddr,dso"),
2732 OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
2733 OPT_PARENT(c2c_options),
2734 OPT_END()
2735 };
2736 int err = 0;
2737
2738 argc = parse_options(argc, argv, options, report_c2c_usage,
2739 PARSE_OPT_STOP_AT_NON_OPTION);
2740 if (argc)
2741 usage_with_options(report_c2c_usage, options);
2742
2743 if (c2c.stats_only)
2744 c2c.use_stdio = true;
2745
2746 if (!input_name || !strlen(input_name))
2747 input_name = "perf.data";
2748
2749 data.file.path = input_name;
2750 data.force = symbol_conf.force;
2751
2752 err = setup_display(display);
2753 if (err)
2754 goto out;
2755
2756 err = setup_coalesce(coalesce, no_source);
2757 if (err) {
2758 pr_debug("Failed to initialize hists\n");
2759 goto out;
2760 }
2761
2762 err = c2c_hists__init(&c2c.hists, "dcacheline", 2);
2763 if (err) {
2764 pr_debug("Failed to initialize hists\n");
2765 goto out;
2766 }
2767
2768 session = perf_session__new(&data, 0, &c2c.tool);
2769 if (session == NULL) {
2770 pr_debug("No memory for session\n");
2771 goto out;
2772 }
2773
2774 err = setup_nodes(session);
2775 if (err) {
2776 pr_err("Failed setup nodes\n");
2777 goto out;
2778 }
2779
2780 err = mem2node__init(&c2c.mem2node, &session->header.env);
2781 if (err)
2782 goto out_session;
2783
2784 err = setup_callchain(session->evlist);
2785 if (err)
2786 goto out_mem2node;
2787
2788 if (symbol__init(&session->header.env) < 0)
2789 goto out_mem2node;
2790
2791 /* No pipe support at the moment. */
2792 if (perf_data__is_pipe(session->data)) {
2793 pr_debug("No pipe support at the moment.\n");
2794 goto out_mem2node;
2795 }
2796
2797 if (c2c.use_stdio)
2798 use_browser = 0;
2799 else
2800 use_browser = 1;
2801
2802 setup_browser(false);
2803
2804 err = perf_session__process_events(session);
2805 if (err) {
2806 pr_err("failed to process sample\n");
2807 goto out_mem2node;
2808 }
2809
2810 c2c_hists__reinit(&c2c.hists,
2811 "cl_idx,"
2812 "dcacheline,"
2813 "dcacheline_node,"
2814 "dcacheline_count,"
2815 "tot_recs,"
2816 "percent_hitm,"
2817 "tot_hitm,lcl_hitm,rmt_hitm,"
2818 "stores,stores_l1hit,stores_l1miss,"
2819 "dram_lcl,dram_rmt,"
2820 "ld_llcmiss,"
2821 "tot_loads,"
2822 "ld_fbhit,ld_l1hit,ld_l2hit,"
2823 "ld_lclhit,ld_rmthit",
2824 c2c.display == DISPLAY_TOT ? "tot_hitm" :
2825 c2c.display == DISPLAY_LCL ? "lcl_hitm" : "rmt_hitm"
2826 );
2827
2828 ui_progress__init(&prog, c2c.hists.hists.nr_entries, "Sorting...");
2829
2830 hists__collapse_resort(&c2c.hists.hists, NULL);
2831 hists__output_resort_cb(&c2c.hists.hists, &prog, resort_hitm_cb);
2832 hists__iterate_cb(&c2c.hists.hists, resort_cl_cb);
2833
2834 ui_progress__finish();
2835
2836 if (ui_quirks()) {
2837 pr_err("failed to setup UI\n");
2838 goto out_mem2node;
2839 }
2840
2841 perf_c2c_display(session);
2842
2843out_mem2node:
2844 mem2node__exit(&c2c.mem2node);
2845out_session:
2846 perf_session__delete(session);
2847out:
2848 return err;
2849}
2850
2851static int parse_record_events(const struct option *opt,
2852 const char *str, int unset __maybe_unused)
2853{
2854 bool *event_set = (bool *) opt->value;
2855
2856 *event_set = true;
2857 return perf_mem_events__parse(str);
2858}
2859
2860
2861static const char * const __usage_record[] = {
2862 "perf c2c record [<options>] [<command>]",
2863 "perf c2c record [<options>] -- <command> [<options>]",
2864 NULL
2865};
2866
2867static const char * const *record_mem_usage = __usage_record;
2868
2869static int perf_c2c__record(int argc, const char **argv)
2870{
2871 int rec_argc, i = 0, j;
2872 const char **rec_argv;
2873 int ret;
2874 bool all_user = false, all_kernel = false;
2875 bool event_set = false;
2876 struct option options[] = {
2877 OPT_CALLBACK('e', "event", &event_set, "event",
2878 "event selector. Use 'perf mem record -e list' to list available events",
2879 parse_record_events),
2880 OPT_BOOLEAN('u', "all-user", &all_user, "collect only user level data"),
2881 OPT_BOOLEAN('k', "all-kernel", &all_kernel, "collect only kernel level data"),
2882 OPT_UINTEGER('l', "ldlat", &perf_mem_events__loads_ldlat, "setup mem-loads latency"),
2883 OPT_PARENT(c2c_options),
2884 OPT_END()
2885 };
2886
2887 if (perf_mem_events__init()) {
2888 pr_err("failed: memory events not supported\n");
2889 return -1;
2890 }
2891
2892 argc = parse_options(argc, argv, options, record_mem_usage,
2893 PARSE_OPT_KEEP_UNKNOWN);
2894
2895 rec_argc = argc + 11; /* max number of arguments */
2896 rec_argv = calloc(rec_argc + 1, sizeof(char *));
2897 if (!rec_argv)
2898 return -1;
2899
2900 rec_argv[i++] = "record";
2901
2902 if (!event_set) {
2903 perf_mem_events[PERF_MEM_EVENTS__LOAD].record = true;
2904 perf_mem_events[PERF_MEM_EVENTS__STORE].record = true;
2905 }
2906
2907 if (perf_mem_events[PERF_MEM_EVENTS__LOAD].record)
2908 rec_argv[i++] = "-W";
2909
2910 rec_argv[i++] = "-d";
2911 rec_argv[i++] = "--phys-data";
2912 rec_argv[i++] = "--sample-cpu";
2913
2914 for (j = 0; j < PERF_MEM_EVENTS__MAX; j++) {
2915 if (!perf_mem_events[j].record)
2916 continue;
2917
2918 if (!perf_mem_events[j].supported) {
2919 pr_err("failed: event '%s' not supported\n",
2920 perf_mem_events[j].name);
2921 free(rec_argv);
2922 return -1;
2923 }
2924
2925 rec_argv[i++] = "-e";
2926 rec_argv[i++] = perf_mem_events__name(j);
2927 };
2928
2929 if (all_user)
2930 rec_argv[i++] = "--all-user";
2931
2932 if (all_kernel)
2933 rec_argv[i++] = "--all-kernel";
2934
2935 for (j = 0; j < argc; j++, i++)
2936 rec_argv[i] = argv[j];
2937
2938 if (verbose > 0) {
2939 pr_debug("calling: ");
2940
2941 j = 0;
2942
2943 while (rec_argv[j]) {
2944 pr_debug("%s ", rec_argv[j]);
2945 j++;
2946 }
2947 pr_debug("\n");
2948 }
2949
2950 ret = cmd_record(i, rec_argv);
2951 free(rec_argv);
2952 return ret;
2953}
2954
2955int cmd_c2c(int argc, const char **argv)
2956{
2957 argc = parse_options(argc, argv, c2c_options, c2c_usage,
2958 PARSE_OPT_STOP_AT_NON_OPTION);
2959
2960 if (!argc)
2961 usage_with_options(c2c_usage, c2c_options);
2962
2963 if (!strncmp(argv[0], "rec", 3)) {
2964 return perf_c2c__record(argc, argv);
2965 } else if (!strncmp(argv[0], "rep", 3)) {
2966 return perf_c2c__report(argc, argv);
2967 } else {
2968 usage_with_options(c2c_usage, c2c_options);
2969 }
2970
2971 return 0;
2972}
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 "pmus.h"
45#include "string2.h"
46#include "util/util.h"
47
48struct c2c_hists {
49 struct hists hists;
50 struct perf_hpp_list list;
51 struct c2c_stats stats;
52};
53
54struct compute_stats {
55 struct stats lcl_hitm;
56 struct stats rmt_hitm;
57 struct stats lcl_peer;
58 struct stats rmt_peer;
59 struct stats load;
60};
61
62struct c2c_hist_entry {
63 struct c2c_hists *hists;
64 struct c2c_stats stats;
65 unsigned long *cpuset;
66 unsigned long *nodeset;
67 struct c2c_stats *node_stats;
68 unsigned int cacheline_idx;
69
70 struct compute_stats cstats;
71
72 unsigned long paddr;
73 unsigned long paddr_cnt;
74 bool paddr_zero;
75 char *nodestr;
76
77 /*
78 * must be at the end,
79 * because of its callchain dynamic entry
80 */
81 struct hist_entry he;
82};
83
84static char const *coalesce_default = "iaddr";
85
86struct perf_c2c {
87 struct perf_tool tool;
88 struct c2c_hists hists;
89 struct mem2node mem2node;
90
91 unsigned long **nodes;
92 int nodes_cnt;
93 int cpus_cnt;
94 int *cpu2node;
95 int node_info;
96
97 bool show_src;
98 bool show_all;
99 bool use_stdio;
100 bool stats_only;
101 bool symbol_full;
102 bool stitch_lbr;
103
104 /* Shared cache line stats */
105 struct c2c_stats shared_clines_stats;
106 int shared_clines;
107
108 int display;
109
110 const char *coalesce;
111 char *cl_sort;
112 char *cl_resort;
113 char *cl_output;
114};
115
116enum {
117 DISPLAY_LCL_HITM,
118 DISPLAY_RMT_HITM,
119 DISPLAY_TOT_HITM,
120 DISPLAY_SNP_PEER,
121 DISPLAY_MAX,
122};
123
124static const char *display_str[DISPLAY_MAX] = {
125 [DISPLAY_LCL_HITM] = "Local HITMs",
126 [DISPLAY_RMT_HITM] = "Remote HITMs",
127 [DISPLAY_TOT_HITM] = "Total HITMs",
128 [DISPLAY_SNP_PEER] = "Peer Snoop",
129};
130
131static const struct option c2c_options[] = {
132 OPT_INCR('v', "verbose", &verbose, "be more verbose (show counter open errors, etc)"),
133 OPT_END()
134};
135
136static struct perf_c2c c2c;
137
138static void *c2c_he_zalloc(size_t size)
139{
140 struct c2c_hist_entry *c2c_he;
141
142 c2c_he = zalloc(size + sizeof(*c2c_he));
143 if (!c2c_he)
144 return NULL;
145
146 c2c_he->cpuset = bitmap_zalloc(c2c.cpus_cnt);
147 if (!c2c_he->cpuset)
148 goto out_free;
149
150 c2c_he->nodeset = bitmap_zalloc(c2c.nodes_cnt);
151 if (!c2c_he->nodeset)
152 goto out_free;
153
154 c2c_he->node_stats = zalloc(c2c.nodes_cnt * sizeof(*c2c_he->node_stats));
155 if (!c2c_he->node_stats)
156 goto out_free;
157
158 init_stats(&c2c_he->cstats.lcl_hitm);
159 init_stats(&c2c_he->cstats.rmt_hitm);
160 init_stats(&c2c_he->cstats.lcl_peer);
161 init_stats(&c2c_he->cstats.rmt_peer);
162 init_stats(&c2c_he->cstats.load);
163
164 return &c2c_he->he;
165
166out_free:
167 zfree(&c2c_he->nodeset);
168 zfree(&c2c_he->cpuset);
169 free(c2c_he);
170 return NULL;
171}
172
173static void c2c_he_free(void *he)
174{
175 struct c2c_hist_entry *c2c_he;
176
177 c2c_he = container_of(he, struct c2c_hist_entry, he);
178 if (c2c_he->hists) {
179 hists__delete_entries(&c2c_he->hists->hists);
180 zfree(&c2c_he->hists);
181 }
182
183 zfree(&c2c_he->cpuset);
184 zfree(&c2c_he->nodeset);
185 zfree(&c2c_he->nodestr);
186 zfree(&c2c_he->node_stats);
187 free(c2c_he);
188}
189
190static struct hist_entry_ops c2c_entry_ops = {
191 .new = c2c_he_zalloc,
192 .free = c2c_he_free,
193};
194
195static int c2c_hists__init(struct c2c_hists *hists,
196 const char *sort,
197 int nr_header_lines);
198
199static struct c2c_hists*
200he__get_c2c_hists(struct hist_entry *he,
201 const char *sort,
202 int nr_header_lines)
203{
204 struct c2c_hist_entry *c2c_he;
205 struct c2c_hists *hists;
206 int ret;
207
208 c2c_he = container_of(he, struct c2c_hist_entry, he);
209 if (c2c_he->hists)
210 return c2c_he->hists;
211
212 hists = c2c_he->hists = zalloc(sizeof(*hists));
213 if (!hists)
214 return NULL;
215
216 ret = c2c_hists__init(hists, sort, nr_header_lines);
217 if (ret) {
218 free(hists);
219 return NULL;
220 }
221
222 return hists;
223}
224
225static void c2c_he__set_cpu(struct c2c_hist_entry *c2c_he,
226 struct perf_sample *sample)
227{
228 if (WARN_ONCE(sample->cpu == (unsigned int) -1,
229 "WARNING: no sample cpu value"))
230 return;
231
232 __set_bit(sample->cpu, c2c_he->cpuset);
233}
234
235static void c2c_he__set_node(struct c2c_hist_entry *c2c_he,
236 struct perf_sample *sample)
237{
238 int node;
239
240 if (!sample->phys_addr) {
241 c2c_he->paddr_zero = true;
242 return;
243 }
244
245 node = mem2node__node(&c2c.mem2node, sample->phys_addr);
246 if (WARN_ONCE(node < 0, "WARNING: failed to find node\n"))
247 return;
248
249 __set_bit(node, c2c_he->nodeset);
250
251 if (c2c_he->paddr != sample->phys_addr) {
252 c2c_he->paddr_cnt++;
253 c2c_he->paddr = sample->phys_addr;
254 }
255}
256
257static void compute_stats(struct c2c_hist_entry *c2c_he,
258 struct c2c_stats *stats,
259 u64 weight)
260{
261 struct compute_stats *cstats = &c2c_he->cstats;
262
263 if (stats->rmt_hitm)
264 update_stats(&cstats->rmt_hitm, weight);
265 else if (stats->lcl_hitm)
266 update_stats(&cstats->lcl_hitm, weight);
267 else if (stats->rmt_peer)
268 update_stats(&cstats->rmt_peer, weight);
269 else if (stats->lcl_peer)
270 update_stats(&cstats->lcl_peer, weight);
271 else if (stats->load)
272 update_stats(&cstats->load, weight);
273}
274
275static int process_sample_event(struct perf_tool *tool __maybe_unused,
276 union perf_event *event,
277 struct perf_sample *sample,
278 struct evsel *evsel,
279 struct machine *machine)
280{
281 struct c2c_hists *c2c_hists = &c2c.hists;
282 struct c2c_hist_entry *c2c_he;
283 struct c2c_stats stats = { .nr_entries = 0, };
284 struct hist_entry *he;
285 struct addr_location al;
286 struct mem_info *mi, *mi_dup;
287 struct callchain_cursor *cursor;
288 int ret;
289
290 addr_location__init(&al);
291 if (machine__resolve(machine, &al, sample) < 0) {
292 pr_debug("problem processing %d event, skipping it.\n",
293 event->header.type);
294 ret = -1;
295 goto out;
296 }
297
298 if (c2c.stitch_lbr)
299 thread__set_lbr_stitch_enable(al.thread, true);
300
301 cursor = get_tls_callchain_cursor();
302 ret = sample__resolve_callchain(sample, cursor, NULL,
303 evsel, &al, sysctl_perf_event_max_stack);
304 if (ret)
305 goto out;
306
307 mi = sample__resolve_mem(sample, &al);
308 if (mi == NULL) {
309 ret = -ENOMEM;
310 goto out;
311 }
312
313 /*
314 * The mi object is released in hists__add_entry_ops,
315 * if it gets sorted out into existing data, so we need
316 * to take the copy now.
317 */
318 mi_dup = mem_info__get(mi);
319
320 c2c_decode_stats(&stats, mi);
321
322 he = hists__add_entry_ops(&c2c_hists->hists, &c2c_entry_ops,
323 &al, NULL, NULL, mi, NULL,
324 sample, true);
325 if (he == NULL)
326 goto free_mi;
327
328 c2c_he = container_of(he, struct c2c_hist_entry, he);
329 c2c_add_stats(&c2c_he->stats, &stats);
330 c2c_add_stats(&c2c_hists->stats, &stats);
331
332 c2c_he__set_cpu(c2c_he, sample);
333 c2c_he__set_node(c2c_he, sample);
334
335 hists__inc_nr_samples(&c2c_hists->hists, he->filtered);
336 ret = hist_entry__append_callchain(he, sample);
337
338 if (!ret) {
339 /*
340 * There's already been warning about missing
341 * sample's cpu value. Let's account all to
342 * node 0 in this case, without any further
343 * warning.
344 *
345 * Doing node stats only for single callchain data.
346 */
347 int cpu = sample->cpu == (unsigned int) -1 ? 0 : sample->cpu;
348 int node = c2c.cpu2node[cpu];
349
350 mi = mi_dup;
351
352 c2c_hists = he__get_c2c_hists(he, c2c.cl_sort, 2);
353 if (!c2c_hists)
354 goto free_mi;
355
356 he = hists__add_entry_ops(&c2c_hists->hists, &c2c_entry_ops,
357 &al, NULL, NULL, mi, NULL,
358 sample, true);
359 if (he == NULL)
360 goto free_mi;
361
362 c2c_he = container_of(he, struct c2c_hist_entry, he);
363 c2c_add_stats(&c2c_he->stats, &stats);
364 c2c_add_stats(&c2c_hists->stats, &stats);
365 c2c_add_stats(&c2c_he->node_stats[node], &stats);
366
367 compute_stats(c2c_he, &stats, sample->weight);
368
369 c2c_he__set_cpu(c2c_he, sample);
370 c2c_he__set_node(c2c_he, sample);
371
372 hists__inc_nr_samples(&c2c_hists->hists, he->filtered);
373 ret = hist_entry__append_callchain(he, sample);
374 }
375
376out:
377 addr_location__exit(&al);
378 return ret;
379
380free_mi:
381 mem_info__put(mi_dup);
382 mem_info__put(mi);
383 ret = -ENOMEM;
384 goto out;
385}
386
387static struct perf_c2c c2c = {
388 .tool = {
389 .sample = process_sample_event,
390 .mmap = perf_event__process_mmap,
391 .mmap2 = perf_event__process_mmap2,
392 .comm = perf_event__process_comm,
393 .exit = perf_event__process_exit,
394 .fork = perf_event__process_fork,
395 .lost = perf_event__process_lost,
396 .attr = perf_event__process_attr,
397 .auxtrace_info = perf_event__process_auxtrace_info,
398 .auxtrace = perf_event__process_auxtrace,
399 .auxtrace_error = perf_event__process_auxtrace_error,
400 .ordered_events = true,
401 .ordering_requires_timestamps = true,
402 },
403};
404
405static const char * const c2c_usage[] = {
406 "perf c2c {record|report}",
407 NULL
408};
409
410static const char * const __usage_report[] = {
411 "perf c2c report",
412 NULL
413};
414
415static const char * const *report_c2c_usage = __usage_report;
416
417#define C2C_HEADER_MAX 2
418
419struct c2c_header {
420 struct {
421 const char *text;
422 int span;
423 } line[C2C_HEADER_MAX];
424};
425
426struct c2c_dimension {
427 struct c2c_header header;
428 const char *name;
429 int width;
430 struct sort_entry *se;
431
432 int64_t (*cmp)(struct perf_hpp_fmt *fmt,
433 struct hist_entry *, struct hist_entry *);
434 int (*entry)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
435 struct hist_entry *he);
436 int (*color)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
437 struct hist_entry *he);
438};
439
440struct c2c_fmt {
441 struct perf_hpp_fmt fmt;
442 struct c2c_dimension *dim;
443};
444
445#define SYMBOL_WIDTH 30
446
447static struct c2c_dimension dim_symbol;
448static struct c2c_dimension dim_srcline;
449
450static int symbol_width(struct hists *hists, struct sort_entry *se)
451{
452 int width = hists__col_len(hists, se->se_width_idx);
453
454 if (!c2c.symbol_full)
455 width = MIN(width, SYMBOL_WIDTH);
456
457 return width;
458}
459
460static int c2c_width(struct perf_hpp_fmt *fmt,
461 struct perf_hpp *hpp __maybe_unused,
462 struct hists *hists)
463{
464 struct c2c_fmt *c2c_fmt;
465 struct c2c_dimension *dim;
466
467 c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
468 dim = c2c_fmt->dim;
469
470 if (dim == &dim_symbol || dim == &dim_srcline)
471 return symbol_width(hists, dim->se);
472
473 return dim->se ? hists__col_len(hists, dim->se->se_width_idx) :
474 c2c_fmt->dim->width;
475}
476
477static int c2c_header(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
478 struct hists *hists, int line, int *span)
479{
480 struct perf_hpp_list *hpp_list = hists->hpp_list;
481 struct c2c_fmt *c2c_fmt;
482 struct c2c_dimension *dim;
483 const char *text = NULL;
484 int width = c2c_width(fmt, hpp, hists);
485
486 c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
487 dim = c2c_fmt->dim;
488
489 if (dim->se) {
490 text = dim->header.line[line].text;
491 /* Use the last line from sort_entry if not defined. */
492 if (!text && (line == hpp_list->nr_header_lines - 1))
493 text = dim->se->se_header;
494 } else {
495 text = dim->header.line[line].text;
496
497 if (*span) {
498 (*span)--;
499 return 0;
500 } else {
501 *span = dim->header.line[line].span;
502 }
503 }
504
505 if (text == NULL)
506 text = "";
507
508 return scnprintf(hpp->buf, hpp->size, "%*s", width, text);
509}
510
511#define HEX_STR(__s, __v) \
512({ \
513 scnprintf(__s, sizeof(__s), "0x%" PRIx64, __v); \
514 __s; \
515})
516
517static int64_t
518dcacheline_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
519 struct hist_entry *left, struct hist_entry *right)
520{
521 return sort__dcacheline_cmp(left, right);
522}
523
524static int dcacheline_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
525 struct hist_entry *he)
526{
527 uint64_t addr = 0;
528 int width = c2c_width(fmt, hpp, he->hists);
529 char buf[20];
530
531 if (he->mem_info)
532 addr = cl_address(he->mem_info->daddr.addr, chk_double_cl);
533
534 return scnprintf(hpp->buf, hpp->size, "%*s", width, HEX_STR(buf, addr));
535}
536
537static int
538dcacheline_node_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
539 struct hist_entry *he)
540{
541 struct c2c_hist_entry *c2c_he;
542 int width = c2c_width(fmt, hpp, he->hists);
543
544 c2c_he = container_of(he, struct c2c_hist_entry, he);
545 if (WARN_ON_ONCE(!c2c_he->nodestr))
546 return 0;
547
548 return scnprintf(hpp->buf, hpp->size, "%*s", width, c2c_he->nodestr);
549}
550
551static int
552dcacheline_node_count(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
553 struct hist_entry *he)
554{
555 struct c2c_hist_entry *c2c_he;
556 int width = c2c_width(fmt, hpp, he->hists);
557
558 c2c_he = container_of(he, struct c2c_hist_entry, he);
559 return scnprintf(hpp->buf, hpp->size, "%*lu", width, c2c_he->paddr_cnt);
560}
561
562static int offset_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
563 struct hist_entry *he)
564{
565 uint64_t addr = 0;
566 int width = c2c_width(fmt, hpp, he->hists);
567 char buf[20];
568
569 if (he->mem_info)
570 addr = cl_offset(he->mem_info->daddr.al_addr, chk_double_cl);
571
572 return scnprintf(hpp->buf, hpp->size, "%*s", width, HEX_STR(buf, addr));
573}
574
575static int64_t
576offset_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
577 struct hist_entry *left, struct hist_entry *right)
578{
579 uint64_t l = 0, r = 0;
580
581 if (left->mem_info)
582 l = cl_offset(left->mem_info->daddr.addr, chk_double_cl);
583
584 if (right->mem_info)
585 r = cl_offset(right->mem_info->daddr.addr, chk_double_cl);
586
587 return (int64_t)(r - l);
588}
589
590static int
591iaddr_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
592 struct hist_entry *he)
593{
594 uint64_t addr = 0;
595 int width = c2c_width(fmt, hpp, he->hists);
596 char buf[20];
597
598 if (he->mem_info)
599 addr = he->mem_info->iaddr.addr;
600
601 return scnprintf(hpp->buf, hpp->size, "%*s", width, HEX_STR(buf, addr));
602}
603
604static int64_t
605iaddr_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
606 struct hist_entry *left, struct hist_entry *right)
607{
608 return sort__iaddr_cmp(left, right);
609}
610
611static int
612tot_hitm_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 unsigned int tot_hitm;
618
619 c2c_he = container_of(he, struct c2c_hist_entry, he);
620 tot_hitm = c2c_he->stats.lcl_hitm + c2c_he->stats.rmt_hitm;
621
622 return scnprintf(hpp->buf, hpp->size, "%*u", width, tot_hitm);
623}
624
625static int64_t
626tot_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
627 struct hist_entry *left, struct hist_entry *right)
628{
629 struct c2c_hist_entry *c2c_left;
630 struct c2c_hist_entry *c2c_right;
631 uint64_t tot_hitm_left;
632 uint64_t tot_hitm_right;
633
634 c2c_left = container_of(left, struct c2c_hist_entry, he);
635 c2c_right = container_of(right, struct c2c_hist_entry, he);
636
637 tot_hitm_left = c2c_left->stats.lcl_hitm + c2c_left->stats.rmt_hitm;
638 tot_hitm_right = c2c_right->stats.lcl_hitm + c2c_right->stats.rmt_hitm;
639
640 return tot_hitm_left - tot_hitm_right;
641}
642
643#define STAT_FN_ENTRY(__f) \
644static int \
645__f ## _entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, \
646 struct hist_entry *he) \
647{ \
648 struct c2c_hist_entry *c2c_he; \
649 int width = c2c_width(fmt, hpp, he->hists); \
650 \
651 c2c_he = container_of(he, struct c2c_hist_entry, he); \
652 return scnprintf(hpp->buf, hpp->size, "%*u", width, \
653 c2c_he->stats.__f); \
654}
655
656#define STAT_FN_CMP(__f) \
657static int64_t \
658__f ## _cmp(struct perf_hpp_fmt *fmt __maybe_unused, \
659 struct hist_entry *left, struct hist_entry *right) \
660{ \
661 struct c2c_hist_entry *c2c_left, *c2c_right; \
662 \
663 c2c_left = container_of(left, struct c2c_hist_entry, he); \
664 c2c_right = container_of(right, struct c2c_hist_entry, he); \
665 return (uint64_t) c2c_left->stats.__f - \
666 (uint64_t) c2c_right->stats.__f; \
667}
668
669#define STAT_FN(__f) \
670 STAT_FN_ENTRY(__f) \
671 STAT_FN_CMP(__f)
672
673STAT_FN(rmt_hitm)
674STAT_FN(lcl_hitm)
675STAT_FN(rmt_peer)
676STAT_FN(lcl_peer)
677STAT_FN(tot_peer)
678STAT_FN(store)
679STAT_FN(st_l1hit)
680STAT_FN(st_l1miss)
681STAT_FN(st_na)
682STAT_FN(ld_fbhit)
683STAT_FN(ld_l1hit)
684STAT_FN(ld_l2hit)
685STAT_FN(ld_llchit)
686STAT_FN(rmt_hit)
687
688static uint64_t get_load_llc_misses(struct c2c_stats *stats)
689{
690 return stats->lcl_dram +
691 stats->rmt_dram +
692 stats->rmt_hitm +
693 stats->rmt_hit;
694}
695
696static uint64_t get_load_cache_hits(struct c2c_stats *stats)
697{
698 return stats->ld_fbhit +
699 stats->ld_l1hit +
700 stats->ld_l2hit +
701 stats->ld_llchit +
702 stats->lcl_hitm;
703}
704
705static uint64_t get_stores(struct c2c_stats *stats)
706{
707 return stats->st_l1hit +
708 stats->st_l1miss +
709 stats->st_na;
710}
711
712static uint64_t total_records(struct c2c_stats *stats)
713{
714 return get_load_llc_misses(stats) +
715 get_load_cache_hits(stats) +
716 get_stores(stats);
717}
718
719static int
720tot_recs_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
721 struct hist_entry *he)
722{
723 struct c2c_hist_entry *c2c_he;
724 int width = c2c_width(fmt, hpp, he->hists);
725 uint64_t tot_recs;
726
727 c2c_he = container_of(he, struct c2c_hist_entry, he);
728 tot_recs = total_records(&c2c_he->stats);
729
730 return scnprintf(hpp->buf, hpp->size, "%*" PRIu64, width, tot_recs);
731}
732
733static int64_t
734tot_recs_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
735 struct hist_entry *left, struct hist_entry *right)
736{
737 struct c2c_hist_entry *c2c_left;
738 struct c2c_hist_entry *c2c_right;
739 uint64_t tot_recs_left;
740 uint64_t tot_recs_right;
741
742 c2c_left = container_of(left, struct c2c_hist_entry, he);
743 c2c_right = container_of(right, struct c2c_hist_entry, he);
744
745 tot_recs_left = total_records(&c2c_left->stats);
746 tot_recs_right = total_records(&c2c_right->stats);
747
748 return tot_recs_left - tot_recs_right;
749}
750
751static uint64_t total_loads(struct c2c_stats *stats)
752{
753 return get_load_llc_misses(stats) +
754 get_load_cache_hits(stats);
755}
756
757static int
758tot_loads_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
759 struct hist_entry *he)
760{
761 struct c2c_hist_entry *c2c_he;
762 int width = c2c_width(fmt, hpp, he->hists);
763 uint64_t tot_recs;
764
765 c2c_he = container_of(he, struct c2c_hist_entry, he);
766 tot_recs = total_loads(&c2c_he->stats);
767
768 return scnprintf(hpp->buf, hpp->size, "%*" PRIu64, width, tot_recs);
769}
770
771static int64_t
772tot_loads_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
773 struct hist_entry *left, struct hist_entry *right)
774{
775 struct c2c_hist_entry *c2c_left;
776 struct c2c_hist_entry *c2c_right;
777 uint64_t tot_recs_left;
778 uint64_t tot_recs_right;
779
780 c2c_left = container_of(left, struct c2c_hist_entry, he);
781 c2c_right = container_of(right, struct c2c_hist_entry, he);
782
783 tot_recs_left = total_loads(&c2c_left->stats);
784 tot_recs_right = total_loads(&c2c_right->stats);
785
786 return tot_recs_left - tot_recs_right;
787}
788
789typedef double (get_percent_cb)(struct c2c_hist_entry *);
790
791static int
792percent_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
793 struct hist_entry *he, get_percent_cb get_percent)
794{
795 struct c2c_hist_entry *c2c_he;
796 int width = c2c_width(fmt, hpp, he->hists);
797 double per;
798
799 c2c_he = container_of(he, struct c2c_hist_entry, he);
800 per = get_percent(c2c_he);
801
802#ifdef HAVE_SLANG_SUPPORT
803 if (use_browser)
804 return __hpp__slsmg_color_printf(hpp, "%*.2f%%", width - 1, per);
805#endif
806 return hpp_color_scnprintf(hpp, "%*.2f%%", width - 1, per);
807}
808
809static double percent_costly_snoop(struct c2c_hist_entry *c2c_he)
810{
811 struct c2c_hists *hists;
812 struct c2c_stats *stats;
813 struct c2c_stats *total;
814 int tot = 0, st = 0;
815 double p;
816
817 hists = container_of(c2c_he->he.hists, struct c2c_hists, hists);
818 stats = &c2c_he->stats;
819 total = &hists->stats;
820
821 switch (c2c.display) {
822 case DISPLAY_RMT_HITM:
823 st = stats->rmt_hitm;
824 tot = total->rmt_hitm;
825 break;
826 case DISPLAY_LCL_HITM:
827 st = stats->lcl_hitm;
828 tot = total->lcl_hitm;
829 break;
830 case DISPLAY_TOT_HITM:
831 st = stats->tot_hitm;
832 tot = total->tot_hitm;
833 break;
834 case DISPLAY_SNP_PEER:
835 st = stats->tot_peer;
836 tot = total->tot_peer;
837 break;
838 default:
839 break;
840 }
841
842 p = tot ? (double) st / tot : 0;
843
844 return 100 * p;
845}
846
847#define PERC_STR(__s, __v) \
848({ \
849 scnprintf(__s, sizeof(__s), "%.2F%%", __v); \
850 __s; \
851})
852
853static int
854percent_costly_snoop_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
855 struct hist_entry *he)
856{
857 struct c2c_hist_entry *c2c_he;
858 int width = c2c_width(fmt, hpp, he->hists);
859 char buf[10];
860 double per;
861
862 c2c_he = container_of(he, struct c2c_hist_entry, he);
863 per = percent_costly_snoop(c2c_he);
864 return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
865}
866
867static int
868percent_costly_snoop_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
869 struct hist_entry *he)
870{
871 return percent_color(fmt, hpp, he, percent_costly_snoop);
872}
873
874static int64_t
875percent_costly_snoop_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
876 struct hist_entry *left, struct hist_entry *right)
877{
878 struct c2c_hist_entry *c2c_left;
879 struct c2c_hist_entry *c2c_right;
880 double per_left;
881 double per_right;
882
883 c2c_left = container_of(left, struct c2c_hist_entry, he);
884 c2c_right = container_of(right, struct c2c_hist_entry, he);
885
886 per_left = percent_costly_snoop(c2c_left);
887 per_right = percent_costly_snoop(c2c_right);
888
889 return per_left - per_right;
890}
891
892static struct c2c_stats *he_stats(struct hist_entry *he)
893{
894 struct c2c_hist_entry *c2c_he;
895
896 c2c_he = container_of(he, struct c2c_hist_entry, he);
897 return &c2c_he->stats;
898}
899
900static struct c2c_stats *total_stats(struct hist_entry *he)
901{
902 struct c2c_hists *hists;
903
904 hists = container_of(he->hists, struct c2c_hists, hists);
905 return &hists->stats;
906}
907
908static double percent(u32 st, u32 tot)
909{
910 return tot ? 100. * (double) st / (double) tot : 0;
911}
912
913#define PERCENT(__h, __f) percent(he_stats(__h)->__f, total_stats(__h)->__f)
914
915#define PERCENT_FN(__f) \
916static double percent_ ## __f(struct c2c_hist_entry *c2c_he) \
917{ \
918 struct c2c_hists *hists; \
919 \
920 hists = container_of(c2c_he->he.hists, struct c2c_hists, hists); \
921 return percent(c2c_he->stats.__f, hists->stats.__f); \
922}
923
924PERCENT_FN(rmt_hitm)
925PERCENT_FN(lcl_hitm)
926PERCENT_FN(rmt_peer)
927PERCENT_FN(lcl_peer)
928PERCENT_FN(st_l1hit)
929PERCENT_FN(st_l1miss)
930PERCENT_FN(st_na)
931
932static int
933percent_rmt_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
934 struct hist_entry *he)
935{
936 int width = c2c_width(fmt, hpp, he->hists);
937 double per = PERCENT(he, rmt_hitm);
938 char buf[10];
939
940 return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
941}
942
943static int
944percent_rmt_hitm_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
945 struct hist_entry *he)
946{
947 return percent_color(fmt, hpp, he, percent_rmt_hitm);
948}
949
950static int64_t
951percent_rmt_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
952 struct hist_entry *left, struct hist_entry *right)
953{
954 double per_left;
955 double per_right;
956
957 per_left = PERCENT(left, rmt_hitm);
958 per_right = PERCENT(right, rmt_hitm);
959
960 return per_left - per_right;
961}
962
963static int
964percent_lcl_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
965 struct hist_entry *he)
966{
967 int width = c2c_width(fmt, hpp, he->hists);
968 double per = PERCENT(he, lcl_hitm);
969 char buf[10];
970
971 return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
972}
973
974static int
975percent_lcl_hitm_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
976 struct hist_entry *he)
977{
978 return percent_color(fmt, hpp, he, percent_lcl_hitm);
979}
980
981static int64_t
982percent_lcl_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
983 struct hist_entry *left, struct hist_entry *right)
984{
985 double per_left;
986 double per_right;
987
988 per_left = PERCENT(left, lcl_hitm);
989 per_right = PERCENT(right, lcl_hitm);
990
991 return per_left - per_right;
992}
993
994static int
995percent_lcl_peer_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
996 struct hist_entry *he)
997{
998 int width = c2c_width(fmt, hpp, he->hists);
999 double per = PERCENT(he, lcl_peer);
1000 char buf[10];
1001
1002 return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
1003}
1004
1005static int
1006percent_lcl_peer_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1007 struct hist_entry *he)
1008{
1009 return percent_color(fmt, hpp, he, percent_lcl_peer);
1010}
1011
1012static int64_t
1013percent_lcl_peer_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
1014 struct hist_entry *left, struct hist_entry *right)
1015{
1016 double per_left;
1017 double per_right;
1018
1019 per_left = PERCENT(left, lcl_peer);
1020 per_right = PERCENT(right, lcl_peer);
1021
1022 return per_left - per_right;
1023}
1024
1025static int
1026percent_rmt_peer_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1027 struct hist_entry *he)
1028{
1029 int width = c2c_width(fmt, hpp, he->hists);
1030 double per = PERCENT(he, rmt_peer);
1031 char buf[10];
1032
1033 return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
1034}
1035
1036static int
1037percent_rmt_peer_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1038 struct hist_entry *he)
1039{
1040 return percent_color(fmt, hpp, he, percent_rmt_peer);
1041}
1042
1043static int64_t
1044percent_rmt_peer_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
1045 struct hist_entry *left, struct hist_entry *right)
1046{
1047 double per_left;
1048 double per_right;
1049
1050 per_left = PERCENT(left, rmt_peer);
1051 per_right = PERCENT(right, rmt_peer);
1052
1053 return per_left - per_right;
1054}
1055
1056static int
1057percent_stores_l1hit_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1058 struct hist_entry *he)
1059{
1060 int width = c2c_width(fmt, hpp, he->hists);
1061 double per = PERCENT(he, st_l1hit);
1062 char buf[10];
1063
1064 return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
1065}
1066
1067static int
1068percent_stores_l1hit_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1069 struct hist_entry *he)
1070{
1071 return percent_color(fmt, hpp, he, percent_st_l1hit);
1072}
1073
1074static int64_t
1075percent_stores_l1hit_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
1076 struct hist_entry *left, struct hist_entry *right)
1077{
1078 double per_left;
1079 double per_right;
1080
1081 per_left = PERCENT(left, st_l1hit);
1082 per_right = PERCENT(right, st_l1hit);
1083
1084 return per_left - per_right;
1085}
1086
1087static int
1088percent_stores_l1miss_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1089 struct hist_entry *he)
1090{
1091 int width = c2c_width(fmt, hpp, he->hists);
1092 double per = PERCENT(he, st_l1miss);
1093 char buf[10];
1094
1095 return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
1096}
1097
1098static int
1099percent_stores_l1miss_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1100 struct hist_entry *he)
1101{
1102 return percent_color(fmt, hpp, he, percent_st_l1miss);
1103}
1104
1105static int64_t
1106percent_stores_l1miss_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
1107 struct hist_entry *left, struct hist_entry *right)
1108{
1109 double per_left;
1110 double per_right;
1111
1112 per_left = PERCENT(left, st_l1miss);
1113 per_right = PERCENT(right, st_l1miss);
1114
1115 return per_left - per_right;
1116}
1117
1118static int
1119percent_stores_na_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1120 struct hist_entry *he)
1121{
1122 int width = c2c_width(fmt, hpp, he->hists);
1123 double per = PERCENT(he, st_na);
1124 char buf[10];
1125
1126 return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
1127}
1128
1129static int
1130percent_stores_na_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1131 struct hist_entry *he)
1132{
1133 return percent_color(fmt, hpp, he, percent_st_na);
1134}
1135
1136static int64_t
1137percent_stores_na_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
1138 struct hist_entry *left, struct hist_entry *right)
1139{
1140 double per_left;
1141 double per_right;
1142
1143 per_left = PERCENT(left, st_na);
1144 per_right = PERCENT(right, st_na);
1145
1146 return per_left - per_right;
1147}
1148
1149STAT_FN(lcl_dram)
1150STAT_FN(rmt_dram)
1151
1152static int
1153pid_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1154 struct hist_entry *he)
1155{
1156 int width = c2c_width(fmt, hpp, he->hists);
1157
1158 return scnprintf(hpp->buf, hpp->size, "%*d", width, thread__pid(he->thread));
1159}
1160
1161static int64_t
1162pid_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
1163 struct hist_entry *left, struct hist_entry *right)
1164{
1165 return thread__pid(left->thread) - thread__pid(right->thread);
1166}
1167
1168static int64_t
1169empty_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
1170 struct hist_entry *left __maybe_unused,
1171 struct hist_entry *right __maybe_unused)
1172{
1173 return 0;
1174}
1175
1176static int display_metrics(struct perf_hpp *hpp, u32 val, u32 sum)
1177{
1178 int ret;
1179
1180 if (sum != 0)
1181 ret = scnprintf(hpp->buf, hpp->size, "%5.1f%% ",
1182 percent(val, sum));
1183 else
1184 ret = scnprintf(hpp->buf, hpp->size, "%6s ", "n/a");
1185
1186 return ret;
1187}
1188
1189static int
1190node_entry(struct perf_hpp_fmt *fmt __maybe_unused, struct perf_hpp *hpp,
1191 struct hist_entry *he)
1192{
1193 struct c2c_hist_entry *c2c_he;
1194 bool first = true;
1195 int node;
1196 int ret = 0;
1197
1198 c2c_he = container_of(he, struct c2c_hist_entry, he);
1199
1200 for (node = 0; node < c2c.nodes_cnt; node++) {
1201 DECLARE_BITMAP(set, c2c.cpus_cnt);
1202
1203 bitmap_zero(set, c2c.cpus_cnt);
1204 bitmap_and(set, c2c_he->cpuset, c2c.nodes[node], c2c.cpus_cnt);
1205
1206 if (bitmap_empty(set, c2c.cpus_cnt)) {
1207 if (c2c.node_info == 1) {
1208 ret = scnprintf(hpp->buf, hpp->size, "%21s", " ");
1209 advance_hpp(hpp, ret);
1210 }
1211 continue;
1212 }
1213
1214 if (!first) {
1215 ret = scnprintf(hpp->buf, hpp->size, " ");
1216 advance_hpp(hpp, ret);
1217 }
1218
1219 switch (c2c.node_info) {
1220 case 0:
1221 ret = scnprintf(hpp->buf, hpp->size, "%2d", node);
1222 advance_hpp(hpp, ret);
1223 break;
1224 case 1:
1225 {
1226 int num = bitmap_weight(set, c2c.cpus_cnt);
1227 struct c2c_stats *stats = &c2c_he->node_stats[node];
1228
1229 ret = scnprintf(hpp->buf, hpp->size, "%2d{%2d ", node, num);
1230 advance_hpp(hpp, ret);
1231
1232 switch (c2c.display) {
1233 case DISPLAY_RMT_HITM:
1234 ret = display_metrics(hpp, stats->rmt_hitm,
1235 c2c_he->stats.rmt_hitm);
1236 break;
1237 case DISPLAY_LCL_HITM:
1238 ret = display_metrics(hpp, stats->lcl_hitm,
1239 c2c_he->stats.lcl_hitm);
1240 break;
1241 case DISPLAY_TOT_HITM:
1242 ret = display_metrics(hpp, stats->tot_hitm,
1243 c2c_he->stats.tot_hitm);
1244 break;
1245 case DISPLAY_SNP_PEER:
1246 ret = display_metrics(hpp, stats->tot_peer,
1247 c2c_he->stats.tot_peer);
1248 break;
1249 default:
1250 break;
1251 }
1252
1253 advance_hpp(hpp, ret);
1254
1255 if (c2c_he->stats.store > 0) {
1256 ret = scnprintf(hpp->buf, hpp->size, "%5.1f%%}",
1257 percent(stats->store, c2c_he->stats.store));
1258 } else {
1259 ret = scnprintf(hpp->buf, hpp->size, "%6s}", "n/a");
1260 }
1261
1262 advance_hpp(hpp, ret);
1263 break;
1264 }
1265 case 2:
1266 ret = scnprintf(hpp->buf, hpp->size, "%2d{", node);
1267 advance_hpp(hpp, ret);
1268
1269 ret = bitmap_scnprintf(set, c2c.cpus_cnt, hpp->buf, hpp->size);
1270 advance_hpp(hpp, ret);
1271
1272 ret = scnprintf(hpp->buf, hpp->size, "}");
1273 advance_hpp(hpp, ret);
1274 break;
1275 default:
1276 break;
1277 }
1278
1279 first = false;
1280 }
1281
1282 return 0;
1283}
1284
1285static int
1286mean_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1287 struct hist_entry *he, double mean)
1288{
1289 int width = c2c_width(fmt, hpp, he->hists);
1290 char buf[10];
1291
1292 scnprintf(buf, 10, "%6.0f", mean);
1293 return scnprintf(hpp->buf, hpp->size, "%*s", width, buf);
1294}
1295
1296#define MEAN_ENTRY(__func, __val) \
1297static int \
1298__func(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, struct hist_entry *he) \
1299{ \
1300 struct c2c_hist_entry *c2c_he; \
1301 c2c_he = container_of(he, struct c2c_hist_entry, he); \
1302 return mean_entry(fmt, hpp, he, avg_stats(&c2c_he->cstats.__val)); \
1303}
1304
1305MEAN_ENTRY(mean_rmt_entry, rmt_hitm);
1306MEAN_ENTRY(mean_lcl_entry, lcl_hitm);
1307MEAN_ENTRY(mean_load_entry, load);
1308MEAN_ENTRY(mean_rmt_peer_entry, rmt_peer);
1309MEAN_ENTRY(mean_lcl_peer_entry, lcl_peer);
1310
1311static int
1312cpucnt_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1313 struct hist_entry *he)
1314{
1315 struct c2c_hist_entry *c2c_he;
1316 int width = c2c_width(fmt, hpp, he->hists);
1317 char buf[10];
1318
1319 c2c_he = container_of(he, struct c2c_hist_entry, he);
1320
1321 scnprintf(buf, 10, "%d", bitmap_weight(c2c_he->cpuset, c2c.cpus_cnt));
1322 return scnprintf(hpp->buf, hpp->size, "%*s", width, buf);
1323}
1324
1325static int
1326cl_idx_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1327 struct hist_entry *he)
1328{
1329 struct c2c_hist_entry *c2c_he;
1330 int width = c2c_width(fmt, hpp, he->hists);
1331 char buf[10];
1332
1333 c2c_he = container_of(he, struct c2c_hist_entry, he);
1334
1335 scnprintf(buf, 10, "%u", c2c_he->cacheline_idx);
1336 return scnprintf(hpp->buf, hpp->size, "%*s", width, buf);
1337}
1338
1339static int
1340cl_idx_empty_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1341 struct hist_entry *he)
1342{
1343 int width = c2c_width(fmt, hpp, he->hists);
1344
1345 return scnprintf(hpp->buf, hpp->size, "%*s", width, "");
1346}
1347
1348#define HEADER_LOW(__h) \
1349 { \
1350 .line[1] = { \
1351 .text = __h, \
1352 }, \
1353 }
1354
1355#define HEADER_BOTH(__h0, __h1) \
1356 { \
1357 .line[0] = { \
1358 .text = __h0, \
1359 }, \
1360 .line[1] = { \
1361 .text = __h1, \
1362 }, \
1363 }
1364
1365#define HEADER_SPAN(__h0, __h1, __s) \
1366 { \
1367 .line[0] = { \
1368 .text = __h0, \
1369 .span = __s, \
1370 }, \
1371 .line[1] = { \
1372 .text = __h1, \
1373 }, \
1374 }
1375
1376#define HEADER_SPAN_LOW(__h) \
1377 { \
1378 .line[1] = { \
1379 .text = __h, \
1380 }, \
1381 }
1382
1383static struct c2c_dimension dim_dcacheline = {
1384 .header = HEADER_SPAN("--- Cacheline ----", "Address", 2),
1385 .name = "dcacheline",
1386 .cmp = dcacheline_cmp,
1387 .entry = dcacheline_entry,
1388 .width = 18,
1389};
1390
1391static struct c2c_dimension dim_dcacheline_node = {
1392 .header = HEADER_LOW("Node"),
1393 .name = "dcacheline_node",
1394 .cmp = empty_cmp,
1395 .entry = dcacheline_node_entry,
1396 .width = 4,
1397};
1398
1399static struct c2c_dimension dim_dcacheline_count = {
1400 .header = HEADER_LOW("PA cnt"),
1401 .name = "dcacheline_count",
1402 .cmp = empty_cmp,
1403 .entry = dcacheline_node_count,
1404 .width = 6,
1405};
1406
1407static struct c2c_header header_offset_tui = HEADER_SPAN("-----", "Off", 2);
1408
1409static struct c2c_dimension dim_offset = {
1410 .header = HEADER_SPAN("--- Data address -", "Offset", 2),
1411 .name = "offset",
1412 .cmp = offset_cmp,
1413 .entry = offset_entry,
1414 .width = 18,
1415};
1416
1417static struct c2c_dimension dim_offset_node = {
1418 .header = HEADER_LOW("Node"),
1419 .name = "offset_node",
1420 .cmp = empty_cmp,
1421 .entry = dcacheline_node_entry,
1422 .width = 4,
1423};
1424
1425static struct c2c_dimension dim_iaddr = {
1426 .header = HEADER_LOW("Code address"),
1427 .name = "iaddr",
1428 .cmp = iaddr_cmp,
1429 .entry = iaddr_entry,
1430 .width = 18,
1431};
1432
1433static struct c2c_dimension dim_tot_hitm = {
1434 .header = HEADER_SPAN("------- Load Hitm -------", "Total", 2),
1435 .name = "tot_hitm",
1436 .cmp = tot_hitm_cmp,
1437 .entry = tot_hitm_entry,
1438 .width = 7,
1439};
1440
1441static struct c2c_dimension dim_lcl_hitm = {
1442 .header = HEADER_SPAN_LOW("LclHitm"),
1443 .name = "lcl_hitm",
1444 .cmp = lcl_hitm_cmp,
1445 .entry = lcl_hitm_entry,
1446 .width = 7,
1447};
1448
1449static struct c2c_dimension dim_rmt_hitm = {
1450 .header = HEADER_SPAN_LOW("RmtHitm"),
1451 .name = "rmt_hitm",
1452 .cmp = rmt_hitm_cmp,
1453 .entry = rmt_hitm_entry,
1454 .width = 7,
1455};
1456
1457static struct c2c_dimension dim_tot_peer = {
1458 .header = HEADER_SPAN("------- Load Peer -------", "Total", 2),
1459 .name = "tot_peer",
1460 .cmp = tot_peer_cmp,
1461 .entry = tot_peer_entry,
1462 .width = 7,
1463};
1464
1465static struct c2c_dimension dim_lcl_peer = {
1466 .header = HEADER_SPAN_LOW("Local"),
1467 .name = "lcl_peer",
1468 .cmp = lcl_peer_cmp,
1469 .entry = lcl_peer_entry,
1470 .width = 7,
1471};
1472
1473static struct c2c_dimension dim_rmt_peer = {
1474 .header = HEADER_SPAN_LOW("Remote"),
1475 .name = "rmt_peer",
1476 .cmp = rmt_peer_cmp,
1477 .entry = rmt_peer_entry,
1478 .width = 7,
1479};
1480
1481static struct c2c_dimension dim_cl_rmt_hitm = {
1482 .header = HEADER_SPAN("----- HITM -----", "Rmt", 1),
1483 .name = "cl_rmt_hitm",
1484 .cmp = rmt_hitm_cmp,
1485 .entry = rmt_hitm_entry,
1486 .width = 7,
1487};
1488
1489static struct c2c_dimension dim_cl_lcl_hitm = {
1490 .header = HEADER_SPAN_LOW("Lcl"),
1491 .name = "cl_lcl_hitm",
1492 .cmp = lcl_hitm_cmp,
1493 .entry = lcl_hitm_entry,
1494 .width = 7,
1495};
1496
1497static struct c2c_dimension dim_cl_rmt_peer = {
1498 .header = HEADER_SPAN("----- Peer -----", "Rmt", 1),
1499 .name = "cl_rmt_peer",
1500 .cmp = rmt_peer_cmp,
1501 .entry = rmt_peer_entry,
1502 .width = 7,
1503};
1504
1505static struct c2c_dimension dim_cl_lcl_peer = {
1506 .header = HEADER_SPAN_LOW("Lcl"),
1507 .name = "cl_lcl_peer",
1508 .cmp = lcl_peer_cmp,
1509 .entry = lcl_peer_entry,
1510 .width = 7,
1511};
1512
1513static struct c2c_dimension dim_tot_stores = {
1514 .header = HEADER_BOTH("Total", "Stores"),
1515 .name = "tot_stores",
1516 .cmp = store_cmp,
1517 .entry = store_entry,
1518 .width = 7,
1519};
1520
1521static struct c2c_dimension dim_stores_l1hit = {
1522 .header = HEADER_SPAN("--------- Stores --------", "L1Hit", 2),
1523 .name = "stores_l1hit",
1524 .cmp = st_l1hit_cmp,
1525 .entry = st_l1hit_entry,
1526 .width = 7,
1527};
1528
1529static struct c2c_dimension dim_stores_l1miss = {
1530 .header = HEADER_SPAN_LOW("L1Miss"),
1531 .name = "stores_l1miss",
1532 .cmp = st_l1miss_cmp,
1533 .entry = st_l1miss_entry,
1534 .width = 7,
1535};
1536
1537static struct c2c_dimension dim_stores_na = {
1538 .header = HEADER_SPAN_LOW("N/A"),
1539 .name = "stores_na",
1540 .cmp = st_na_cmp,
1541 .entry = st_na_entry,
1542 .width = 7,
1543};
1544
1545static struct c2c_dimension dim_cl_stores_l1hit = {
1546 .header = HEADER_SPAN("------- Store Refs ------", "L1 Hit", 2),
1547 .name = "cl_stores_l1hit",
1548 .cmp = st_l1hit_cmp,
1549 .entry = st_l1hit_entry,
1550 .width = 7,
1551};
1552
1553static struct c2c_dimension dim_cl_stores_l1miss = {
1554 .header = HEADER_SPAN_LOW("L1 Miss"),
1555 .name = "cl_stores_l1miss",
1556 .cmp = st_l1miss_cmp,
1557 .entry = st_l1miss_entry,
1558 .width = 7,
1559};
1560
1561static struct c2c_dimension dim_cl_stores_na = {
1562 .header = HEADER_SPAN_LOW("N/A"),
1563 .name = "cl_stores_na",
1564 .cmp = st_na_cmp,
1565 .entry = st_na_entry,
1566 .width = 7,
1567};
1568
1569static struct c2c_dimension dim_ld_fbhit = {
1570 .header = HEADER_SPAN("----- Core Load Hit -----", "FB", 2),
1571 .name = "ld_fbhit",
1572 .cmp = ld_fbhit_cmp,
1573 .entry = ld_fbhit_entry,
1574 .width = 7,
1575};
1576
1577static struct c2c_dimension dim_ld_l1hit = {
1578 .header = HEADER_SPAN_LOW("L1"),
1579 .name = "ld_l1hit",
1580 .cmp = ld_l1hit_cmp,
1581 .entry = ld_l1hit_entry,
1582 .width = 7,
1583};
1584
1585static struct c2c_dimension dim_ld_l2hit = {
1586 .header = HEADER_SPAN_LOW("L2"),
1587 .name = "ld_l2hit",
1588 .cmp = ld_l2hit_cmp,
1589 .entry = ld_l2hit_entry,
1590 .width = 7,
1591};
1592
1593static struct c2c_dimension dim_ld_llchit = {
1594 .header = HEADER_SPAN("- LLC Load Hit --", "LclHit", 1),
1595 .name = "ld_lclhit",
1596 .cmp = ld_llchit_cmp,
1597 .entry = ld_llchit_entry,
1598 .width = 8,
1599};
1600
1601static struct c2c_dimension dim_ld_rmthit = {
1602 .header = HEADER_SPAN("- RMT Load Hit --", "RmtHit", 1),
1603 .name = "ld_rmthit",
1604 .cmp = rmt_hit_cmp,
1605 .entry = rmt_hit_entry,
1606 .width = 8,
1607};
1608
1609static struct c2c_dimension dim_tot_recs = {
1610 .header = HEADER_BOTH("Total", "records"),
1611 .name = "tot_recs",
1612 .cmp = tot_recs_cmp,
1613 .entry = tot_recs_entry,
1614 .width = 7,
1615};
1616
1617static struct c2c_dimension dim_tot_loads = {
1618 .header = HEADER_BOTH("Total", "Loads"),
1619 .name = "tot_loads",
1620 .cmp = tot_loads_cmp,
1621 .entry = tot_loads_entry,
1622 .width = 7,
1623};
1624
1625static struct c2c_header percent_costly_snoop_header[] = {
1626 [DISPLAY_LCL_HITM] = HEADER_BOTH("Lcl", "Hitm"),
1627 [DISPLAY_RMT_HITM] = HEADER_BOTH("Rmt", "Hitm"),
1628 [DISPLAY_TOT_HITM] = HEADER_BOTH("Tot", "Hitm"),
1629 [DISPLAY_SNP_PEER] = HEADER_BOTH("Peer", "Snoop"),
1630};
1631
1632static struct c2c_dimension dim_percent_costly_snoop = {
1633 .name = "percent_costly_snoop",
1634 .cmp = percent_costly_snoop_cmp,
1635 .entry = percent_costly_snoop_entry,
1636 .color = percent_costly_snoop_color,
1637 .width = 7,
1638};
1639
1640static struct c2c_dimension dim_percent_rmt_hitm = {
1641 .header = HEADER_SPAN("----- HITM -----", "RmtHitm", 1),
1642 .name = "percent_rmt_hitm",
1643 .cmp = percent_rmt_hitm_cmp,
1644 .entry = percent_rmt_hitm_entry,
1645 .color = percent_rmt_hitm_color,
1646 .width = 7,
1647};
1648
1649static struct c2c_dimension dim_percent_lcl_hitm = {
1650 .header = HEADER_SPAN_LOW("LclHitm"),
1651 .name = "percent_lcl_hitm",
1652 .cmp = percent_lcl_hitm_cmp,
1653 .entry = percent_lcl_hitm_entry,
1654 .color = percent_lcl_hitm_color,
1655 .width = 7,
1656};
1657
1658static struct c2c_dimension dim_percent_rmt_peer = {
1659 .header = HEADER_SPAN("-- Peer Snoop --", "Rmt", 1),
1660 .name = "percent_rmt_peer",
1661 .cmp = percent_rmt_peer_cmp,
1662 .entry = percent_rmt_peer_entry,
1663 .color = percent_rmt_peer_color,
1664 .width = 7,
1665};
1666
1667static struct c2c_dimension dim_percent_lcl_peer = {
1668 .header = HEADER_SPAN_LOW("Lcl"),
1669 .name = "percent_lcl_peer",
1670 .cmp = percent_lcl_peer_cmp,
1671 .entry = percent_lcl_peer_entry,
1672 .color = percent_lcl_peer_color,
1673 .width = 7,
1674};
1675
1676static struct c2c_dimension dim_percent_stores_l1hit = {
1677 .header = HEADER_SPAN("------- Store Refs ------", "L1 Hit", 2),
1678 .name = "percent_stores_l1hit",
1679 .cmp = percent_stores_l1hit_cmp,
1680 .entry = percent_stores_l1hit_entry,
1681 .color = percent_stores_l1hit_color,
1682 .width = 7,
1683};
1684
1685static struct c2c_dimension dim_percent_stores_l1miss = {
1686 .header = HEADER_SPAN_LOW("L1 Miss"),
1687 .name = "percent_stores_l1miss",
1688 .cmp = percent_stores_l1miss_cmp,
1689 .entry = percent_stores_l1miss_entry,
1690 .color = percent_stores_l1miss_color,
1691 .width = 7,
1692};
1693
1694static struct c2c_dimension dim_percent_stores_na = {
1695 .header = HEADER_SPAN_LOW("N/A"),
1696 .name = "percent_stores_na",
1697 .cmp = percent_stores_na_cmp,
1698 .entry = percent_stores_na_entry,
1699 .color = percent_stores_na_color,
1700 .width = 7,
1701};
1702
1703static struct c2c_dimension dim_dram_lcl = {
1704 .header = HEADER_SPAN("--- Load Dram ----", "Lcl", 1),
1705 .name = "dram_lcl",
1706 .cmp = lcl_dram_cmp,
1707 .entry = lcl_dram_entry,
1708 .width = 8,
1709};
1710
1711static struct c2c_dimension dim_dram_rmt = {
1712 .header = HEADER_SPAN_LOW("Rmt"),
1713 .name = "dram_rmt",
1714 .cmp = rmt_dram_cmp,
1715 .entry = rmt_dram_entry,
1716 .width = 8,
1717};
1718
1719static struct c2c_dimension dim_pid = {
1720 .header = HEADER_LOW("Pid"),
1721 .name = "pid",
1722 .cmp = pid_cmp,
1723 .entry = pid_entry,
1724 .width = 7,
1725};
1726
1727static struct c2c_dimension dim_tid = {
1728 .header = HEADER_LOW("Tid"),
1729 .name = "tid",
1730 .se = &sort_thread,
1731};
1732
1733static struct c2c_dimension dim_symbol = {
1734 .name = "symbol",
1735 .se = &sort_sym,
1736};
1737
1738static struct c2c_dimension dim_dso = {
1739 .header = HEADER_BOTH("Shared", "Object"),
1740 .name = "dso",
1741 .se = &sort_dso,
1742};
1743
1744static struct c2c_dimension dim_node = {
1745 .name = "node",
1746 .cmp = empty_cmp,
1747 .entry = node_entry,
1748 .width = 4,
1749};
1750
1751static struct c2c_dimension dim_mean_rmt = {
1752 .header = HEADER_SPAN("---------- cycles ----------", "rmt hitm", 2),
1753 .name = "mean_rmt",
1754 .cmp = empty_cmp,
1755 .entry = mean_rmt_entry,
1756 .width = 8,
1757};
1758
1759static struct c2c_dimension dim_mean_lcl = {
1760 .header = HEADER_SPAN_LOW("lcl hitm"),
1761 .name = "mean_lcl",
1762 .cmp = empty_cmp,
1763 .entry = mean_lcl_entry,
1764 .width = 8,
1765};
1766
1767static struct c2c_dimension dim_mean_load = {
1768 .header = HEADER_SPAN_LOW("load"),
1769 .name = "mean_load",
1770 .cmp = empty_cmp,
1771 .entry = mean_load_entry,
1772 .width = 8,
1773};
1774
1775static struct c2c_dimension dim_mean_rmt_peer = {
1776 .header = HEADER_SPAN("---------- cycles ----------", "rmt peer", 2),
1777 .name = "mean_rmt_peer",
1778 .cmp = empty_cmp,
1779 .entry = mean_rmt_peer_entry,
1780 .width = 8,
1781};
1782
1783static struct c2c_dimension dim_mean_lcl_peer = {
1784 .header = HEADER_SPAN_LOW("lcl peer"),
1785 .name = "mean_lcl_peer",
1786 .cmp = empty_cmp,
1787 .entry = mean_lcl_peer_entry,
1788 .width = 8,
1789};
1790
1791static struct c2c_dimension dim_cpucnt = {
1792 .header = HEADER_BOTH("cpu", "cnt"),
1793 .name = "cpucnt",
1794 .cmp = empty_cmp,
1795 .entry = cpucnt_entry,
1796 .width = 8,
1797};
1798
1799static struct c2c_dimension dim_srcline = {
1800 .name = "cl_srcline",
1801 .se = &sort_srcline,
1802};
1803
1804static struct c2c_dimension dim_dcacheline_idx = {
1805 .header = HEADER_LOW("Index"),
1806 .name = "cl_idx",
1807 .cmp = empty_cmp,
1808 .entry = cl_idx_entry,
1809 .width = 5,
1810};
1811
1812static struct c2c_dimension dim_dcacheline_num = {
1813 .header = HEADER_LOW("Num"),
1814 .name = "cl_num",
1815 .cmp = empty_cmp,
1816 .entry = cl_idx_entry,
1817 .width = 5,
1818};
1819
1820static struct c2c_dimension dim_dcacheline_num_empty = {
1821 .header = HEADER_LOW("Num"),
1822 .name = "cl_num_empty",
1823 .cmp = empty_cmp,
1824 .entry = cl_idx_empty_entry,
1825 .width = 5,
1826};
1827
1828static struct c2c_dimension *dimensions[] = {
1829 &dim_dcacheline,
1830 &dim_dcacheline_node,
1831 &dim_dcacheline_count,
1832 &dim_offset,
1833 &dim_offset_node,
1834 &dim_iaddr,
1835 &dim_tot_hitm,
1836 &dim_lcl_hitm,
1837 &dim_rmt_hitm,
1838 &dim_tot_peer,
1839 &dim_lcl_peer,
1840 &dim_rmt_peer,
1841 &dim_cl_lcl_hitm,
1842 &dim_cl_rmt_hitm,
1843 &dim_cl_lcl_peer,
1844 &dim_cl_rmt_peer,
1845 &dim_tot_stores,
1846 &dim_stores_l1hit,
1847 &dim_stores_l1miss,
1848 &dim_stores_na,
1849 &dim_cl_stores_l1hit,
1850 &dim_cl_stores_l1miss,
1851 &dim_cl_stores_na,
1852 &dim_ld_fbhit,
1853 &dim_ld_l1hit,
1854 &dim_ld_l2hit,
1855 &dim_ld_llchit,
1856 &dim_ld_rmthit,
1857 &dim_tot_recs,
1858 &dim_tot_loads,
1859 &dim_percent_costly_snoop,
1860 &dim_percent_rmt_hitm,
1861 &dim_percent_lcl_hitm,
1862 &dim_percent_rmt_peer,
1863 &dim_percent_lcl_peer,
1864 &dim_percent_stores_l1hit,
1865 &dim_percent_stores_l1miss,
1866 &dim_percent_stores_na,
1867 &dim_dram_lcl,
1868 &dim_dram_rmt,
1869 &dim_pid,
1870 &dim_tid,
1871 &dim_symbol,
1872 &dim_dso,
1873 &dim_node,
1874 &dim_mean_rmt,
1875 &dim_mean_lcl,
1876 &dim_mean_rmt_peer,
1877 &dim_mean_lcl_peer,
1878 &dim_mean_load,
1879 &dim_cpucnt,
1880 &dim_srcline,
1881 &dim_dcacheline_idx,
1882 &dim_dcacheline_num,
1883 &dim_dcacheline_num_empty,
1884 NULL,
1885};
1886
1887static void fmt_free(struct perf_hpp_fmt *fmt)
1888{
1889 struct c2c_fmt *c2c_fmt;
1890
1891 c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
1892 free(c2c_fmt);
1893}
1894
1895static bool fmt_equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b)
1896{
1897 struct c2c_fmt *c2c_a = container_of(a, struct c2c_fmt, fmt);
1898 struct c2c_fmt *c2c_b = container_of(b, struct c2c_fmt, fmt);
1899
1900 return c2c_a->dim == c2c_b->dim;
1901}
1902
1903static struct c2c_dimension *get_dimension(const char *name)
1904{
1905 unsigned int i;
1906
1907 for (i = 0; dimensions[i]; i++) {
1908 struct c2c_dimension *dim = dimensions[i];
1909
1910 if (!strcmp(dim->name, name))
1911 return dim;
1912 }
1913
1914 return NULL;
1915}
1916
1917static int c2c_se_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1918 struct hist_entry *he)
1919{
1920 struct c2c_fmt *c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
1921 struct c2c_dimension *dim = c2c_fmt->dim;
1922 size_t len = fmt->user_len;
1923
1924 if (!len) {
1925 len = hists__col_len(he->hists, dim->se->se_width_idx);
1926
1927 if (dim == &dim_symbol || dim == &dim_srcline)
1928 len = symbol_width(he->hists, dim->se);
1929 }
1930
1931 return dim->se->se_snprintf(he, hpp->buf, hpp->size, len);
1932}
1933
1934static int64_t c2c_se_cmp(struct perf_hpp_fmt *fmt,
1935 struct hist_entry *a, struct hist_entry *b)
1936{
1937 struct c2c_fmt *c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
1938 struct c2c_dimension *dim = c2c_fmt->dim;
1939
1940 return dim->se->se_cmp(a, b);
1941}
1942
1943static int64_t c2c_se_collapse(struct perf_hpp_fmt *fmt,
1944 struct hist_entry *a, struct hist_entry *b)
1945{
1946 struct c2c_fmt *c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
1947 struct c2c_dimension *dim = c2c_fmt->dim;
1948 int64_t (*collapse_fn)(struct hist_entry *, struct hist_entry *);
1949
1950 collapse_fn = dim->se->se_collapse ?: dim->se->se_cmp;
1951 return collapse_fn(a, b);
1952}
1953
1954static struct c2c_fmt *get_format(const char *name)
1955{
1956 struct c2c_dimension *dim = get_dimension(name);
1957 struct c2c_fmt *c2c_fmt;
1958 struct perf_hpp_fmt *fmt;
1959
1960 if (!dim)
1961 return NULL;
1962
1963 c2c_fmt = zalloc(sizeof(*c2c_fmt));
1964 if (!c2c_fmt)
1965 return NULL;
1966
1967 c2c_fmt->dim = dim;
1968
1969 fmt = &c2c_fmt->fmt;
1970 INIT_LIST_HEAD(&fmt->list);
1971 INIT_LIST_HEAD(&fmt->sort_list);
1972
1973 fmt->cmp = dim->se ? c2c_se_cmp : dim->cmp;
1974 fmt->sort = dim->se ? c2c_se_cmp : dim->cmp;
1975 fmt->color = dim->se ? NULL : dim->color;
1976 fmt->entry = dim->se ? c2c_se_entry : dim->entry;
1977 fmt->header = c2c_header;
1978 fmt->width = c2c_width;
1979 fmt->collapse = dim->se ? c2c_se_collapse : dim->cmp;
1980 fmt->equal = fmt_equal;
1981 fmt->free = fmt_free;
1982
1983 return c2c_fmt;
1984}
1985
1986static int c2c_hists__init_output(struct perf_hpp_list *hpp_list, char *name)
1987{
1988 struct c2c_fmt *c2c_fmt = get_format(name);
1989
1990 if (!c2c_fmt) {
1991 reset_dimensions();
1992 return output_field_add(hpp_list, name);
1993 }
1994
1995 perf_hpp_list__column_register(hpp_list, &c2c_fmt->fmt);
1996 return 0;
1997}
1998
1999static int c2c_hists__init_sort(struct perf_hpp_list *hpp_list, char *name)
2000{
2001 struct c2c_fmt *c2c_fmt = get_format(name);
2002 struct c2c_dimension *dim;
2003
2004 if (!c2c_fmt) {
2005 reset_dimensions();
2006 return sort_dimension__add(hpp_list, name, NULL, 0);
2007 }
2008
2009 dim = c2c_fmt->dim;
2010 if (dim == &dim_dso)
2011 hpp_list->dso = 1;
2012
2013 perf_hpp_list__register_sort_field(hpp_list, &c2c_fmt->fmt);
2014 return 0;
2015}
2016
2017#define PARSE_LIST(_list, _fn) \
2018 do { \
2019 char *tmp, *tok; \
2020 ret = 0; \
2021 \
2022 if (!_list) \
2023 break; \
2024 \
2025 for (tok = strtok_r((char *)_list, ", ", &tmp); \
2026 tok; tok = strtok_r(NULL, ", ", &tmp)) { \
2027 ret = _fn(hpp_list, tok); \
2028 if (ret == -EINVAL) { \
2029 pr_err("Invalid --fields key: `%s'", tok); \
2030 break; \
2031 } else if (ret == -ESRCH) { \
2032 pr_err("Unknown --fields key: `%s'", tok); \
2033 break; \
2034 } \
2035 } \
2036 } while (0)
2037
2038static int hpp_list__parse(struct perf_hpp_list *hpp_list,
2039 const char *output_,
2040 const char *sort_)
2041{
2042 char *output = output_ ? strdup(output_) : NULL;
2043 char *sort = sort_ ? strdup(sort_) : NULL;
2044 int ret;
2045
2046 PARSE_LIST(output, c2c_hists__init_output);
2047 PARSE_LIST(sort, c2c_hists__init_sort);
2048
2049 /* copy sort keys to output fields */
2050 perf_hpp__setup_output_field(hpp_list);
2051
2052 /*
2053 * We dont need other sorting keys other than those
2054 * we already specified. It also really slows down
2055 * the processing a lot with big number of output
2056 * fields, so switching this off for c2c.
2057 */
2058
2059#if 0
2060 /* and then copy output fields to sort keys */
2061 perf_hpp__append_sort_keys(&hists->list);
2062#endif
2063
2064 free(output);
2065 free(sort);
2066 return ret;
2067}
2068
2069static int c2c_hists__init(struct c2c_hists *hists,
2070 const char *sort,
2071 int nr_header_lines)
2072{
2073 __hists__init(&hists->hists, &hists->list);
2074
2075 /*
2076 * Initialize only with sort fields, we need to resort
2077 * later anyway, and that's where we add output fields
2078 * as well.
2079 */
2080 perf_hpp_list__init(&hists->list);
2081
2082 /* Overload number of header lines.*/
2083 hists->list.nr_header_lines = nr_header_lines;
2084
2085 return hpp_list__parse(&hists->list, NULL, sort);
2086}
2087
2088static int c2c_hists__reinit(struct c2c_hists *c2c_hists,
2089 const char *output,
2090 const char *sort)
2091{
2092 perf_hpp__reset_output_field(&c2c_hists->list);
2093 return hpp_list__parse(&c2c_hists->list, output, sort);
2094}
2095
2096#define DISPLAY_LINE_LIMIT 0.001
2097
2098static u8 filter_display(u32 val, u32 sum)
2099{
2100 if (sum == 0 || ((double)val / sum) < DISPLAY_LINE_LIMIT)
2101 return HIST_FILTER__C2C;
2102
2103 return 0;
2104}
2105
2106static bool he__display(struct hist_entry *he, struct c2c_stats *stats)
2107{
2108 struct c2c_hist_entry *c2c_he;
2109
2110 if (c2c.show_all)
2111 return true;
2112
2113 c2c_he = container_of(he, struct c2c_hist_entry, he);
2114
2115 switch (c2c.display) {
2116 case DISPLAY_LCL_HITM:
2117 he->filtered = filter_display(c2c_he->stats.lcl_hitm,
2118 stats->lcl_hitm);
2119 break;
2120 case DISPLAY_RMT_HITM:
2121 he->filtered = filter_display(c2c_he->stats.rmt_hitm,
2122 stats->rmt_hitm);
2123 break;
2124 case DISPLAY_TOT_HITM:
2125 he->filtered = filter_display(c2c_he->stats.tot_hitm,
2126 stats->tot_hitm);
2127 break;
2128 case DISPLAY_SNP_PEER:
2129 he->filtered = filter_display(c2c_he->stats.tot_peer,
2130 stats->tot_peer);
2131 break;
2132 default:
2133 break;
2134 }
2135
2136 return he->filtered == 0;
2137}
2138
2139static inline bool is_valid_hist_entry(struct hist_entry *he)
2140{
2141 struct c2c_hist_entry *c2c_he;
2142 bool has_record = false;
2143
2144 c2c_he = container_of(he, struct c2c_hist_entry, he);
2145
2146 /* It's a valid entry if contains stores */
2147 if (c2c_he->stats.store)
2148 return true;
2149
2150 switch (c2c.display) {
2151 case DISPLAY_LCL_HITM:
2152 has_record = !!c2c_he->stats.lcl_hitm;
2153 break;
2154 case DISPLAY_RMT_HITM:
2155 has_record = !!c2c_he->stats.rmt_hitm;
2156 break;
2157 case DISPLAY_TOT_HITM:
2158 has_record = !!c2c_he->stats.tot_hitm;
2159 break;
2160 case DISPLAY_SNP_PEER:
2161 has_record = !!c2c_he->stats.tot_peer;
2162 default:
2163 break;
2164 }
2165
2166 return has_record;
2167}
2168
2169static void set_node_width(struct c2c_hist_entry *c2c_he, int len)
2170{
2171 struct c2c_dimension *dim;
2172
2173 dim = &c2c.hists == c2c_he->hists ?
2174 &dim_dcacheline_node : &dim_offset_node;
2175
2176 if (len > dim->width)
2177 dim->width = len;
2178}
2179
2180static int set_nodestr(struct c2c_hist_entry *c2c_he)
2181{
2182 char buf[30];
2183 int len;
2184
2185 if (c2c_he->nodestr)
2186 return 0;
2187
2188 if (!bitmap_empty(c2c_he->nodeset, c2c.nodes_cnt)) {
2189 len = bitmap_scnprintf(c2c_he->nodeset, c2c.nodes_cnt,
2190 buf, sizeof(buf));
2191 } else {
2192 len = scnprintf(buf, sizeof(buf), "N/A");
2193 }
2194
2195 set_node_width(c2c_he, len);
2196 c2c_he->nodestr = strdup(buf);
2197 return c2c_he->nodestr ? 0 : -ENOMEM;
2198}
2199
2200static void calc_width(struct c2c_hist_entry *c2c_he)
2201{
2202 struct c2c_hists *c2c_hists;
2203
2204 c2c_hists = container_of(c2c_he->he.hists, struct c2c_hists, hists);
2205 hists__calc_col_len(&c2c_hists->hists, &c2c_he->he);
2206 set_nodestr(c2c_he);
2207}
2208
2209static int filter_cb(struct hist_entry *he, void *arg __maybe_unused)
2210{
2211 struct c2c_hist_entry *c2c_he;
2212
2213 c2c_he = container_of(he, struct c2c_hist_entry, he);
2214
2215 if (c2c.show_src && !he->srcline)
2216 he->srcline = hist_entry__srcline(he);
2217
2218 calc_width(c2c_he);
2219
2220 if (!is_valid_hist_entry(he))
2221 he->filtered = HIST_FILTER__C2C;
2222
2223 return 0;
2224}
2225
2226static int resort_cl_cb(struct hist_entry *he, void *arg __maybe_unused)
2227{
2228 struct c2c_hist_entry *c2c_he;
2229 struct c2c_hists *c2c_hists;
2230 bool display = he__display(he, &c2c.shared_clines_stats);
2231
2232 c2c_he = container_of(he, struct c2c_hist_entry, he);
2233 c2c_hists = c2c_he->hists;
2234
2235 if (display && c2c_hists) {
2236 static unsigned int idx;
2237
2238 c2c_he->cacheline_idx = idx++;
2239 calc_width(c2c_he);
2240
2241 c2c_hists__reinit(c2c_hists, c2c.cl_output, c2c.cl_resort);
2242
2243 hists__collapse_resort(&c2c_hists->hists, NULL);
2244 hists__output_resort_cb(&c2c_hists->hists, NULL, filter_cb);
2245 }
2246
2247 return 0;
2248}
2249
2250static struct c2c_header header_node_0 = HEADER_LOW("Node");
2251static struct c2c_header header_node_1_hitms_stores =
2252 HEADER_LOW("Node{cpus %hitms %stores}");
2253static struct c2c_header header_node_1_peers_stores =
2254 HEADER_LOW("Node{cpus %peers %stores}");
2255static struct c2c_header header_node_2 = HEADER_LOW("Node{cpu list}");
2256
2257static void setup_nodes_header(void)
2258{
2259 switch (c2c.node_info) {
2260 case 0:
2261 dim_node.header = header_node_0;
2262 break;
2263 case 1:
2264 if (c2c.display == DISPLAY_SNP_PEER)
2265 dim_node.header = header_node_1_peers_stores;
2266 else
2267 dim_node.header = header_node_1_hitms_stores;
2268 break;
2269 case 2:
2270 dim_node.header = header_node_2;
2271 break;
2272 default:
2273 break;
2274 }
2275
2276 return;
2277}
2278
2279static int setup_nodes(struct perf_session *session)
2280{
2281 struct numa_node *n;
2282 unsigned long **nodes;
2283 int node, idx;
2284 struct perf_cpu cpu;
2285 int *cpu2node;
2286
2287 if (c2c.node_info > 2)
2288 c2c.node_info = 2;
2289
2290 c2c.nodes_cnt = session->header.env.nr_numa_nodes;
2291 c2c.cpus_cnt = session->header.env.nr_cpus_avail;
2292
2293 n = session->header.env.numa_nodes;
2294 if (!n)
2295 return -EINVAL;
2296
2297 nodes = zalloc(sizeof(unsigned long *) * c2c.nodes_cnt);
2298 if (!nodes)
2299 return -ENOMEM;
2300
2301 c2c.nodes = nodes;
2302
2303 cpu2node = zalloc(sizeof(int) * c2c.cpus_cnt);
2304 if (!cpu2node)
2305 return -ENOMEM;
2306
2307 for (idx = 0; idx < c2c.cpus_cnt; idx++)
2308 cpu2node[idx] = -1;
2309
2310 c2c.cpu2node = cpu2node;
2311
2312 for (node = 0; node < c2c.nodes_cnt; node++) {
2313 struct perf_cpu_map *map = n[node].map;
2314 unsigned long *set;
2315
2316 set = bitmap_zalloc(c2c.cpus_cnt);
2317 if (!set)
2318 return -ENOMEM;
2319
2320 nodes[node] = set;
2321
2322 /* empty node, skip */
2323 if (perf_cpu_map__has_any_cpu_or_is_empty(map))
2324 continue;
2325
2326 perf_cpu_map__for_each_cpu(cpu, idx, map) {
2327 __set_bit(cpu.cpu, set);
2328
2329 if (WARN_ONCE(cpu2node[cpu.cpu] != -1, "node/cpu topology bug"))
2330 return -EINVAL;
2331
2332 cpu2node[cpu.cpu] = node;
2333 }
2334 }
2335
2336 setup_nodes_header();
2337 return 0;
2338}
2339
2340#define HAS_HITMS(__h) ((__h)->stats.lcl_hitm || (__h)->stats.rmt_hitm)
2341#define HAS_PEER(__h) ((__h)->stats.lcl_peer || (__h)->stats.rmt_peer)
2342
2343static int resort_shared_cl_cb(struct hist_entry *he, void *arg __maybe_unused)
2344{
2345 struct c2c_hist_entry *c2c_he;
2346 c2c_he = container_of(he, struct c2c_hist_entry, he);
2347
2348 if (HAS_HITMS(c2c_he) || HAS_PEER(c2c_he)) {
2349 c2c.shared_clines++;
2350 c2c_add_stats(&c2c.shared_clines_stats, &c2c_he->stats);
2351 }
2352
2353 return 0;
2354}
2355
2356static int hists__iterate_cb(struct hists *hists, hists__resort_cb_t cb)
2357{
2358 struct rb_node *next = rb_first_cached(&hists->entries);
2359 int ret = 0;
2360
2361 while (next) {
2362 struct hist_entry *he;
2363
2364 he = rb_entry(next, struct hist_entry, rb_node);
2365 ret = cb(he, NULL);
2366 if (ret)
2367 break;
2368 next = rb_next(&he->rb_node);
2369 }
2370
2371 return ret;
2372}
2373
2374static void print_c2c__display_stats(FILE *out)
2375{
2376 int llc_misses;
2377 struct c2c_stats *stats = &c2c.hists.stats;
2378
2379 llc_misses = get_load_llc_misses(stats);
2380
2381 fprintf(out, "=================================================\n");
2382 fprintf(out, " Trace Event Information \n");
2383 fprintf(out, "=================================================\n");
2384 fprintf(out, " Total records : %10d\n", stats->nr_entries);
2385 fprintf(out, " Locked Load/Store Operations : %10d\n", stats->locks);
2386 fprintf(out, " Load Operations : %10d\n", stats->load);
2387 fprintf(out, " Loads - uncacheable : %10d\n", stats->ld_uncache);
2388 fprintf(out, " Loads - IO : %10d\n", stats->ld_io);
2389 fprintf(out, " Loads - Miss : %10d\n", stats->ld_miss);
2390 fprintf(out, " Loads - no mapping : %10d\n", stats->ld_noadrs);
2391 fprintf(out, " Load Fill Buffer Hit : %10d\n", stats->ld_fbhit);
2392 fprintf(out, " Load L1D hit : %10d\n", stats->ld_l1hit);
2393 fprintf(out, " Load L2D hit : %10d\n", stats->ld_l2hit);
2394 fprintf(out, " Load LLC hit : %10d\n", stats->ld_llchit + stats->lcl_hitm);
2395 fprintf(out, " Load Local HITM : %10d\n", stats->lcl_hitm);
2396 fprintf(out, " Load Remote HITM : %10d\n", stats->rmt_hitm);
2397 fprintf(out, " Load Remote HIT : %10d\n", stats->rmt_hit);
2398 fprintf(out, " Load Local DRAM : %10d\n", stats->lcl_dram);
2399 fprintf(out, " Load Remote DRAM : %10d\n", stats->rmt_dram);
2400 fprintf(out, " Load MESI State Exclusive : %10d\n", stats->ld_excl);
2401 fprintf(out, " Load MESI State Shared : %10d\n", stats->ld_shared);
2402 fprintf(out, " Load LLC Misses : %10d\n", llc_misses);
2403 fprintf(out, " Load access blocked by data : %10d\n", stats->blk_data);
2404 fprintf(out, " Load access blocked by address : %10d\n", stats->blk_addr);
2405 fprintf(out, " Load HIT Local Peer : %10d\n", stats->lcl_peer);
2406 fprintf(out, " Load HIT Remote Peer : %10d\n", stats->rmt_peer);
2407 fprintf(out, " LLC Misses to Local DRAM : %10.1f%%\n", ((double)stats->lcl_dram/(double)llc_misses) * 100.);
2408 fprintf(out, " LLC Misses to Remote DRAM : %10.1f%%\n", ((double)stats->rmt_dram/(double)llc_misses) * 100.);
2409 fprintf(out, " LLC Misses to Remote cache (HIT) : %10.1f%%\n", ((double)stats->rmt_hit /(double)llc_misses) * 100.);
2410 fprintf(out, " LLC Misses to Remote cache (HITM) : %10.1f%%\n", ((double)stats->rmt_hitm/(double)llc_misses) * 100.);
2411 fprintf(out, " Store Operations : %10d\n", stats->store);
2412 fprintf(out, " Store - uncacheable : %10d\n", stats->st_uncache);
2413 fprintf(out, " Store - no mapping : %10d\n", stats->st_noadrs);
2414 fprintf(out, " Store L1D Hit : %10d\n", stats->st_l1hit);
2415 fprintf(out, " Store L1D Miss : %10d\n", stats->st_l1miss);
2416 fprintf(out, " Store No available memory level : %10d\n", stats->st_na);
2417 fprintf(out, " No Page Map Rejects : %10d\n", stats->nomap);
2418 fprintf(out, " Unable to parse data source : %10d\n", stats->noparse);
2419}
2420
2421static void print_shared_cacheline_info(FILE *out)
2422{
2423 struct c2c_stats *stats = &c2c.shared_clines_stats;
2424 int hitm_cnt = stats->lcl_hitm + stats->rmt_hitm;
2425
2426 fprintf(out, "=================================================\n");
2427 fprintf(out, " Global Shared Cache Line Event Information \n");
2428 fprintf(out, "=================================================\n");
2429 fprintf(out, " Total Shared Cache Lines : %10d\n", c2c.shared_clines);
2430 fprintf(out, " Load HITs on shared lines : %10d\n", stats->load);
2431 fprintf(out, " Fill Buffer Hits on shared lines : %10d\n", stats->ld_fbhit);
2432 fprintf(out, " L1D hits on shared lines : %10d\n", stats->ld_l1hit);
2433 fprintf(out, " L2D hits on shared lines : %10d\n", stats->ld_l2hit);
2434 fprintf(out, " LLC hits on shared lines : %10d\n", stats->ld_llchit + stats->lcl_hitm);
2435 fprintf(out, " Load hits on peer cache or nodes : %10d\n", stats->lcl_peer + stats->rmt_peer);
2436 fprintf(out, " Locked Access on shared lines : %10d\n", stats->locks);
2437 fprintf(out, " Blocked Access on shared lines : %10d\n", stats->blk_data + stats->blk_addr);
2438 fprintf(out, " Store HITs on shared lines : %10d\n", stats->store);
2439 fprintf(out, " Store L1D hits on shared lines : %10d\n", stats->st_l1hit);
2440 fprintf(out, " Store No available memory level : %10d\n", stats->st_na);
2441 fprintf(out, " Total Merged records : %10d\n", hitm_cnt + stats->store);
2442}
2443
2444static void print_cacheline(struct c2c_hists *c2c_hists,
2445 struct hist_entry *he_cl,
2446 struct perf_hpp_list *hpp_list,
2447 FILE *out)
2448{
2449 char bf[1000];
2450 struct perf_hpp hpp = {
2451 .buf = bf,
2452 .size = 1000,
2453 };
2454 static bool once;
2455
2456 if (!once) {
2457 hists__fprintf_headers(&c2c_hists->hists, out);
2458 once = true;
2459 } else {
2460 fprintf(out, "\n");
2461 }
2462
2463 fprintf(out, " ----------------------------------------------------------------------\n");
2464 __hist_entry__snprintf(he_cl, &hpp, hpp_list);
2465 fprintf(out, "%s\n", bf);
2466 fprintf(out, " ----------------------------------------------------------------------\n");
2467
2468 hists__fprintf(&c2c_hists->hists, false, 0, 0, 0, out, false);
2469}
2470
2471static void print_pareto(FILE *out)
2472{
2473 struct perf_hpp_list hpp_list;
2474 struct rb_node *nd;
2475 int ret;
2476 const char *cl_output;
2477
2478 if (c2c.display != DISPLAY_SNP_PEER)
2479 cl_output = "cl_num,"
2480 "cl_rmt_hitm,"
2481 "cl_lcl_hitm,"
2482 "cl_stores_l1hit,"
2483 "cl_stores_l1miss,"
2484 "cl_stores_na,"
2485 "dcacheline";
2486 else
2487 cl_output = "cl_num,"
2488 "cl_rmt_peer,"
2489 "cl_lcl_peer,"
2490 "cl_stores_l1hit,"
2491 "cl_stores_l1miss,"
2492 "cl_stores_na,"
2493 "dcacheline";
2494
2495 perf_hpp_list__init(&hpp_list);
2496 ret = hpp_list__parse(&hpp_list, cl_output, NULL);
2497
2498 if (WARN_ONCE(ret, "failed to setup sort entries\n"))
2499 return;
2500
2501 nd = rb_first_cached(&c2c.hists.hists.entries);
2502
2503 for (; nd; nd = rb_next(nd)) {
2504 struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node);
2505 struct c2c_hist_entry *c2c_he;
2506
2507 if (he->filtered)
2508 continue;
2509
2510 c2c_he = container_of(he, struct c2c_hist_entry, he);
2511 print_cacheline(c2c_he->hists, he, &hpp_list, out);
2512 }
2513}
2514
2515static void print_c2c_info(FILE *out, struct perf_session *session)
2516{
2517 struct evlist *evlist = session->evlist;
2518 struct evsel *evsel;
2519 bool first = true;
2520
2521 fprintf(out, "=================================================\n");
2522 fprintf(out, " c2c details \n");
2523 fprintf(out, "=================================================\n");
2524
2525 evlist__for_each_entry(evlist, evsel) {
2526 fprintf(out, "%-36s: %s\n", first ? " Events" : "", evsel__name(evsel));
2527 first = false;
2528 }
2529 fprintf(out, " Cachelines sort on : %s\n",
2530 display_str[c2c.display]);
2531 fprintf(out, " Cacheline data grouping : %s\n", c2c.cl_sort);
2532}
2533
2534static void perf_c2c__hists_fprintf(FILE *out, struct perf_session *session)
2535{
2536 setup_pager();
2537
2538 print_c2c__display_stats(out);
2539 fprintf(out, "\n");
2540 print_shared_cacheline_info(out);
2541 fprintf(out, "\n");
2542 print_c2c_info(out, session);
2543
2544 if (c2c.stats_only)
2545 return;
2546
2547 fprintf(out, "\n");
2548 fprintf(out, "=================================================\n");
2549 fprintf(out, " Shared Data Cache Line Table \n");
2550 fprintf(out, "=================================================\n");
2551 fprintf(out, "#\n");
2552
2553 hists__fprintf(&c2c.hists.hists, true, 0, 0, 0, stdout, true);
2554
2555 fprintf(out, "\n");
2556 fprintf(out, "=================================================\n");
2557 fprintf(out, " Shared Cache Line Distribution Pareto \n");
2558 fprintf(out, "=================================================\n");
2559 fprintf(out, "#\n");
2560
2561 print_pareto(out);
2562}
2563
2564#ifdef HAVE_SLANG_SUPPORT
2565static void c2c_browser__update_nr_entries(struct hist_browser *hb)
2566{
2567 u64 nr_entries = 0;
2568 struct rb_node *nd = rb_first_cached(&hb->hists->entries);
2569
2570 while (nd) {
2571 struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node);
2572
2573 if (!he->filtered)
2574 nr_entries++;
2575
2576 nd = rb_next(nd);
2577 }
2578
2579 hb->nr_non_filtered_entries = nr_entries;
2580}
2581
2582struct c2c_cacheline_browser {
2583 struct hist_browser hb;
2584 struct hist_entry *he;
2585};
2586
2587static int
2588perf_c2c_cacheline_browser__title(struct hist_browser *browser,
2589 char *bf, size_t size)
2590{
2591 struct c2c_cacheline_browser *cl_browser;
2592 struct hist_entry *he;
2593 uint64_t addr = 0;
2594
2595 cl_browser = container_of(browser, struct c2c_cacheline_browser, hb);
2596 he = cl_browser->he;
2597
2598 if (he->mem_info)
2599 addr = cl_address(he->mem_info->daddr.addr, chk_double_cl);
2600
2601 scnprintf(bf, size, "Cacheline 0x%lx", addr);
2602 return 0;
2603}
2604
2605static struct c2c_cacheline_browser*
2606c2c_cacheline_browser__new(struct hists *hists, struct hist_entry *he)
2607{
2608 struct c2c_cacheline_browser *browser;
2609
2610 browser = zalloc(sizeof(*browser));
2611 if (browser) {
2612 hist_browser__init(&browser->hb, hists);
2613 browser->hb.c2c_filter = true;
2614 browser->hb.title = perf_c2c_cacheline_browser__title;
2615 browser->he = he;
2616 }
2617
2618 return browser;
2619}
2620
2621static int perf_c2c__browse_cacheline(struct hist_entry *he)
2622{
2623 struct c2c_hist_entry *c2c_he;
2624 struct c2c_hists *c2c_hists;
2625 struct c2c_cacheline_browser *cl_browser;
2626 struct hist_browser *browser;
2627 int key = -1;
2628 static const char help[] =
2629 " ENTER Toggle callchains (if present) \n"
2630 " n Toggle Node details info \n"
2631 " s Toggle full length of symbol and source line columns \n"
2632 " q Return back to cacheline list \n";
2633
2634 if (!he)
2635 return 0;
2636
2637 /* Display compact version first. */
2638 c2c.symbol_full = false;
2639
2640 c2c_he = container_of(he, struct c2c_hist_entry, he);
2641 c2c_hists = c2c_he->hists;
2642
2643 cl_browser = c2c_cacheline_browser__new(&c2c_hists->hists, he);
2644 if (cl_browser == NULL)
2645 return -1;
2646
2647 browser = &cl_browser->hb;
2648
2649 /* reset abort key so that it can get Ctrl-C as a key */
2650 SLang_reset_tty();
2651 SLang_init_tty(0, 0, 0);
2652
2653 c2c_browser__update_nr_entries(browser);
2654
2655 while (1) {
2656 key = hist_browser__run(browser, "? - help", true, 0);
2657
2658 switch (key) {
2659 case 's':
2660 c2c.symbol_full = !c2c.symbol_full;
2661 break;
2662 case 'n':
2663 c2c.node_info = (c2c.node_info + 1) % 3;
2664 setup_nodes_header();
2665 break;
2666 case 'q':
2667 goto out;
2668 case '?':
2669 ui_browser__help_window(&browser->b, help);
2670 break;
2671 default:
2672 break;
2673 }
2674 }
2675
2676out:
2677 free(cl_browser);
2678 return 0;
2679}
2680
2681static int perf_c2c_browser__title(struct hist_browser *browser,
2682 char *bf, size_t size)
2683{
2684 scnprintf(bf, size,
2685 "Shared Data Cache Line Table "
2686 "(%lu entries, sorted on %s)",
2687 browser->nr_non_filtered_entries,
2688 display_str[c2c.display]);
2689 return 0;
2690}
2691
2692static struct hist_browser*
2693perf_c2c_browser__new(struct hists *hists)
2694{
2695 struct hist_browser *browser = hist_browser__new(hists);
2696
2697 if (browser) {
2698 browser->title = perf_c2c_browser__title;
2699 browser->c2c_filter = true;
2700 }
2701
2702 return browser;
2703}
2704
2705static int perf_c2c__hists_browse(struct hists *hists)
2706{
2707 struct hist_browser *browser;
2708 int key = -1;
2709 static const char help[] =
2710 " d Display cacheline details \n"
2711 " ENTER Toggle callchains (if present) \n"
2712 " q Quit \n";
2713
2714 browser = perf_c2c_browser__new(hists);
2715 if (browser == NULL)
2716 return -1;
2717
2718 /* reset abort key so that it can get Ctrl-C as a key */
2719 SLang_reset_tty();
2720 SLang_init_tty(0, 0, 0);
2721
2722 c2c_browser__update_nr_entries(browser);
2723
2724 while (1) {
2725 key = hist_browser__run(browser, "? - help", true, 0);
2726
2727 switch (key) {
2728 case 'q':
2729 goto out;
2730 case 'd':
2731 perf_c2c__browse_cacheline(browser->he_selection);
2732 break;
2733 case '?':
2734 ui_browser__help_window(&browser->b, help);
2735 break;
2736 default:
2737 break;
2738 }
2739 }
2740
2741out:
2742 hist_browser__delete(browser);
2743 return 0;
2744}
2745
2746static void perf_c2c_display(struct perf_session *session)
2747{
2748 if (use_browser == 0)
2749 perf_c2c__hists_fprintf(stdout, session);
2750 else
2751 perf_c2c__hists_browse(&c2c.hists.hists);
2752}
2753#else
2754static void perf_c2c_display(struct perf_session *session)
2755{
2756 use_browser = 0;
2757 perf_c2c__hists_fprintf(stdout, session);
2758}
2759#endif /* HAVE_SLANG_SUPPORT */
2760
2761static char *fill_line(const char *orig, int len)
2762{
2763 int i, j, olen = strlen(orig);
2764 char *buf;
2765
2766 buf = zalloc(len + 1);
2767 if (!buf)
2768 return NULL;
2769
2770 j = len / 2 - olen / 2;
2771
2772 for (i = 0; i < j - 1; i++)
2773 buf[i] = '-';
2774
2775 buf[i++] = ' ';
2776
2777 strcpy(buf + i, orig);
2778
2779 i += olen;
2780
2781 buf[i++] = ' ';
2782
2783 for (; i < len; i++)
2784 buf[i] = '-';
2785
2786 return buf;
2787}
2788
2789static int ui_quirks(void)
2790{
2791 const char *nodestr = "Data address";
2792 char *buf;
2793
2794 if (!c2c.use_stdio) {
2795 dim_offset.width = 5;
2796 dim_offset.header = header_offset_tui;
2797 nodestr = chk_double_cl ? "Double-CL" : "CL";
2798 }
2799
2800 dim_percent_costly_snoop.header = percent_costly_snoop_header[c2c.display];
2801
2802 /* Fix the zero line for dcacheline column. */
2803 buf = fill_line(chk_double_cl ? "Double-Cacheline" : "Cacheline",
2804 dim_dcacheline.width +
2805 dim_dcacheline_node.width +
2806 dim_dcacheline_count.width + 4);
2807 if (!buf)
2808 return -ENOMEM;
2809
2810 dim_dcacheline.header.line[0].text = buf;
2811
2812 /* Fix the zero line for offset column. */
2813 buf = fill_line(nodestr, dim_offset.width +
2814 dim_offset_node.width +
2815 dim_dcacheline_count.width + 4);
2816 if (!buf)
2817 return -ENOMEM;
2818
2819 dim_offset.header.line[0].text = buf;
2820
2821 return 0;
2822}
2823
2824#define CALLCHAIN_DEFAULT_OPT "graph,0.5,caller,function,percent"
2825
2826const char callchain_help[] = "Display call graph (stack chain/backtrace):\n\n"
2827 CALLCHAIN_REPORT_HELP
2828 "\n\t\t\t\tDefault: " CALLCHAIN_DEFAULT_OPT;
2829
2830static int
2831parse_callchain_opt(const struct option *opt, const char *arg, int unset)
2832{
2833 struct callchain_param *callchain = opt->value;
2834
2835 callchain->enabled = !unset;
2836 /*
2837 * --no-call-graph
2838 */
2839 if (unset) {
2840 symbol_conf.use_callchain = false;
2841 callchain->mode = CHAIN_NONE;
2842 return 0;
2843 }
2844
2845 return parse_callchain_report_opt(arg);
2846}
2847
2848static int setup_callchain(struct evlist *evlist)
2849{
2850 u64 sample_type = evlist__combined_sample_type(evlist);
2851 enum perf_call_graph_mode mode = CALLCHAIN_NONE;
2852
2853 if ((sample_type & PERF_SAMPLE_REGS_USER) &&
2854 (sample_type & PERF_SAMPLE_STACK_USER)) {
2855 mode = CALLCHAIN_DWARF;
2856 dwarf_callchain_users = true;
2857 } else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
2858 mode = CALLCHAIN_LBR;
2859 else if (sample_type & PERF_SAMPLE_CALLCHAIN)
2860 mode = CALLCHAIN_FP;
2861
2862 if (!callchain_param.enabled &&
2863 callchain_param.mode != CHAIN_NONE &&
2864 mode != CALLCHAIN_NONE) {
2865 symbol_conf.use_callchain = true;
2866 if (callchain_register_param(&callchain_param) < 0) {
2867 ui__error("Can't register callchain params.\n");
2868 return -EINVAL;
2869 }
2870 }
2871
2872 if (c2c.stitch_lbr && (mode != CALLCHAIN_LBR)) {
2873 ui__warning("Can't find LBR callchain. Switch off --stitch-lbr.\n"
2874 "Please apply --call-graph lbr when recording.\n");
2875 c2c.stitch_lbr = false;
2876 }
2877
2878 callchain_param.record_mode = mode;
2879 callchain_param.min_percent = 0;
2880 return 0;
2881}
2882
2883static int setup_display(const char *str)
2884{
2885 const char *display = str;
2886
2887 if (!strcmp(display, "tot"))
2888 c2c.display = DISPLAY_TOT_HITM;
2889 else if (!strcmp(display, "rmt"))
2890 c2c.display = DISPLAY_RMT_HITM;
2891 else if (!strcmp(display, "lcl"))
2892 c2c.display = DISPLAY_LCL_HITM;
2893 else if (!strcmp(display, "peer"))
2894 c2c.display = DISPLAY_SNP_PEER;
2895 else {
2896 pr_err("failed: unknown display type: %s\n", str);
2897 return -1;
2898 }
2899
2900 return 0;
2901}
2902
2903#define for_each_token(__tok, __buf, __sep, __tmp) \
2904 for (__tok = strtok_r(__buf, __sep, &__tmp); __tok; \
2905 __tok = strtok_r(NULL, __sep, &__tmp))
2906
2907static int build_cl_output(char *cl_sort, bool no_source)
2908{
2909 char *tok, *tmp, *buf = strdup(cl_sort);
2910 bool add_pid = false;
2911 bool add_tid = false;
2912 bool add_iaddr = false;
2913 bool add_sym = false;
2914 bool add_dso = false;
2915 bool add_src = false;
2916 int ret = 0;
2917
2918 if (!buf)
2919 return -ENOMEM;
2920
2921 for_each_token(tok, buf, ",", tmp) {
2922 if (!strcmp(tok, "tid")) {
2923 add_tid = true;
2924 } else if (!strcmp(tok, "pid")) {
2925 add_pid = true;
2926 } else if (!strcmp(tok, "iaddr")) {
2927 add_iaddr = true;
2928 add_sym = true;
2929 add_dso = true;
2930 add_src = no_source ? false : true;
2931 } else if (!strcmp(tok, "dso")) {
2932 add_dso = true;
2933 } else if (strcmp(tok, "offset")) {
2934 pr_err("unrecognized sort token: %s\n", tok);
2935 ret = -EINVAL;
2936 goto err;
2937 }
2938 }
2939
2940 if (asprintf(&c2c.cl_output,
2941 "%s%s%s%s%s%s%s%s%s%s%s%s",
2942 c2c.use_stdio ? "cl_num_empty," : "",
2943 c2c.display == DISPLAY_SNP_PEER ? "percent_rmt_peer,"
2944 "percent_lcl_peer," :
2945 "percent_rmt_hitm,"
2946 "percent_lcl_hitm,",
2947 "percent_stores_l1hit,"
2948 "percent_stores_l1miss,"
2949 "percent_stores_na,"
2950 "offset,offset_node,dcacheline_count,",
2951 add_pid ? "pid," : "",
2952 add_tid ? "tid," : "",
2953 add_iaddr ? "iaddr," : "",
2954 c2c.display == DISPLAY_SNP_PEER ? "mean_rmt_peer,"
2955 "mean_lcl_peer," :
2956 "mean_rmt,"
2957 "mean_lcl,",
2958 "mean_load,"
2959 "tot_recs,"
2960 "cpucnt,",
2961 add_sym ? "symbol," : "",
2962 add_dso ? "dso," : "",
2963 add_src ? "cl_srcline," : "",
2964 "node") < 0) {
2965 ret = -ENOMEM;
2966 goto err;
2967 }
2968
2969 c2c.show_src = add_src;
2970err:
2971 free(buf);
2972 return ret;
2973}
2974
2975static int setup_coalesce(const char *coalesce, bool no_source)
2976{
2977 const char *c = coalesce ?: coalesce_default;
2978 const char *sort_str = NULL;
2979
2980 if (asprintf(&c2c.cl_sort, "offset,%s", c) < 0)
2981 return -ENOMEM;
2982
2983 if (build_cl_output(c2c.cl_sort, no_source))
2984 return -1;
2985
2986 if (c2c.display == DISPLAY_TOT_HITM)
2987 sort_str = "tot_hitm";
2988 else if (c2c.display == DISPLAY_RMT_HITM)
2989 sort_str = "rmt_hitm,lcl_hitm";
2990 else if (c2c.display == DISPLAY_LCL_HITM)
2991 sort_str = "lcl_hitm,rmt_hitm";
2992 else if (c2c.display == DISPLAY_SNP_PEER)
2993 sort_str = "tot_peer";
2994
2995 if (asprintf(&c2c.cl_resort, "offset,%s", sort_str) < 0)
2996 return -ENOMEM;
2997
2998 pr_debug("coalesce sort fields: %s\n", c2c.cl_sort);
2999 pr_debug("coalesce resort fields: %s\n", c2c.cl_resort);
3000 pr_debug("coalesce output fields: %s\n", c2c.cl_output);
3001 return 0;
3002}
3003
3004static int perf_c2c__report(int argc, const char **argv)
3005{
3006 struct itrace_synth_opts itrace_synth_opts = {
3007 .set = true,
3008 .mem = true, /* Only enable memory event */
3009 .default_no_sample = true,
3010 };
3011
3012 struct perf_session *session;
3013 struct ui_progress prog;
3014 struct perf_data data = {
3015 .mode = PERF_DATA_MODE_READ,
3016 };
3017 char callchain_default_opt[] = CALLCHAIN_DEFAULT_OPT;
3018 const char *display = NULL;
3019 const char *coalesce = NULL;
3020 bool no_source = false;
3021 const struct option options[] = {
3022 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
3023 "file", "vmlinux pathname"),
3024 OPT_STRING('i', "input", &input_name, "file",
3025 "the input file to process"),
3026 OPT_INCR('N', "node-info", &c2c.node_info,
3027 "show extra node info in report (repeat for more info)"),
3028 OPT_BOOLEAN(0, "stdio", &c2c.use_stdio, "Use the stdio interface"),
3029 OPT_BOOLEAN(0, "stats", &c2c.stats_only,
3030 "Display only statistic tables (implies --stdio)"),
3031 OPT_BOOLEAN(0, "full-symbols", &c2c.symbol_full,
3032 "Display full length of symbols"),
3033 OPT_BOOLEAN(0, "no-source", &no_source,
3034 "Do not display Source Line column"),
3035 OPT_BOOLEAN(0, "show-all", &c2c.show_all,
3036 "Show all captured HITM lines."),
3037 OPT_CALLBACK_DEFAULT('g', "call-graph", &callchain_param,
3038 "print_type,threshold[,print_limit],order,sort_key[,branch],value",
3039 callchain_help, &parse_callchain_opt,
3040 callchain_default_opt),
3041 OPT_STRING('d', "display", &display, "Switch HITM output type", "tot,lcl,rmt,peer"),
3042 OPT_STRING('c', "coalesce", &coalesce, "coalesce fields",
3043 "coalesce fields: pid,tid,iaddr,dso"),
3044 OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
3045 OPT_BOOLEAN(0, "stitch-lbr", &c2c.stitch_lbr,
3046 "Enable LBR callgraph stitching approach"),
3047 OPT_BOOLEAN(0, "double-cl", &chk_double_cl, "Detect adjacent cacheline false sharing"),
3048 OPT_PARENT(c2c_options),
3049 OPT_END()
3050 };
3051 int err = 0;
3052 const char *output_str, *sort_str = NULL;
3053
3054 argc = parse_options(argc, argv, options, report_c2c_usage,
3055 PARSE_OPT_STOP_AT_NON_OPTION);
3056 if (argc)
3057 usage_with_options(report_c2c_usage, options);
3058
3059#ifndef HAVE_SLANG_SUPPORT
3060 c2c.use_stdio = true;
3061#endif
3062
3063 if (c2c.stats_only)
3064 c2c.use_stdio = true;
3065
3066 err = symbol__validate_sym_arguments();
3067 if (err)
3068 goto out;
3069
3070 if (!input_name || !strlen(input_name))
3071 input_name = "perf.data";
3072
3073 data.path = input_name;
3074 data.force = symbol_conf.force;
3075
3076 session = perf_session__new(&data, &c2c.tool);
3077 if (IS_ERR(session)) {
3078 err = PTR_ERR(session);
3079 pr_debug("Error creating perf session\n");
3080 goto out;
3081 }
3082
3083 /*
3084 * Use the 'tot' as default display type if user doesn't specify it;
3085 * since Arm64 platform doesn't support HITMs flag, use 'peer' as the
3086 * default display type.
3087 */
3088 if (!display) {
3089 if (!strcmp(perf_env__arch(&session->header.env), "arm64"))
3090 display = "peer";
3091 else
3092 display = "tot";
3093 }
3094
3095 err = setup_display(display);
3096 if (err)
3097 goto out_session;
3098
3099 err = setup_coalesce(coalesce, no_source);
3100 if (err) {
3101 pr_debug("Failed to initialize hists\n");
3102 goto out_session;
3103 }
3104
3105 err = c2c_hists__init(&c2c.hists, "dcacheline", 2);
3106 if (err) {
3107 pr_debug("Failed to initialize hists\n");
3108 goto out_session;
3109 }
3110
3111 session->itrace_synth_opts = &itrace_synth_opts;
3112
3113 err = setup_nodes(session);
3114 if (err) {
3115 pr_err("Failed setup nodes\n");
3116 goto out_session;
3117 }
3118
3119 err = mem2node__init(&c2c.mem2node, &session->header.env);
3120 if (err)
3121 goto out_session;
3122
3123 err = setup_callchain(session->evlist);
3124 if (err)
3125 goto out_mem2node;
3126
3127 if (symbol__init(&session->header.env) < 0)
3128 goto out_mem2node;
3129
3130 /* No pipe support at the moment. */
3131 if (perf_data__is_pipe(session->data)) {
3132 pr_debug("No pipe support at the moment.\n");
3133 goto out_mem2node;
3134 }
3135
3136 if (c2c.use_stdio)
3137 use_browser = 0;
3138 else
3139 use_browser = 1;
3140
3141 setup_browser(false);
3142
3143 err = perf_session__process_events(session);
3144 if (err) {
3145 pr_err("failed to process sample\n");
3146 goto out_mem2node;
3147 }
3148
3149 if (c2c.display != DISPLAY_SNP_PEER)
3150 output_str = "cl_idx,"
3151 "dcacheline,"
3152 "dcacheline_node,"
3153 "dcacheline_count,"
3154 "percent_costly_snoop,"
3155 "tot_hitm,lcl_hitm,rmt_hitm,"
3156 "tot_recs,"
3157 "tot_loads,"
3158 "tot_stores,"
3159 "stores_l1hit,stores_l1miss,stores_na,"
3160 "ld_fbhit,ld_l1hit,ld_l2hit,"
3161 "ld_lclhit,lcl_hitm,"
3162 "ld_rmthit,rmt_hitm,"
3163 "dram_lcl,dram_rmt";
3164 else
3165 output_str = "cl_idx,"
3166 "dcacheline,"
3167 "dcacheline_node,"
3168 "dcacheline_count,"
3169 "percent_costly_snoop,"
3170 "tot_peer,lcl_peer,rmt_peer,"
3171 "tot_recs,"
3172 "tot_loads,"
3173 "tot_stores,"
3174 "stores_l1hit,stores_l1miss,stores_na,"
3175 "ld_fbhit,ld_l1hit,ld_l2hit,"
3176 "ld_lclhit,lcl_hitm,"
3177 "ld_rmthit,rmt_hitm,"
3178 "dram_lcl,dram_rmt";
3179
3180 if (c2c.display == DISPLAY_TOT_HITM)
3181 sort_str = "tot_hitm";
3182 else if (c2c.display == DISPLAY_RMT_HITM)
3183 sort_str = "rmt_hitm";
3184 else if (c2c.display == DISPLAY_LCL_HITM)
3185 sort_str = "lcl_hitm";
3186 else if (c2c.display == DISPLAY_SNP_PEER)
3187 sort_str = "tot_peer";
3188
3189 c2c_hists__reinit(&c2c.hists, output_str, sort_str);
3190
3191 ui_progress__init(&prog, c2c.hists.hists.nr_entries, "Sorting...");
3192
3193 hists__collapse_resort(&c2c.hists.hists, NULL);
3194 hists__output_resort_cb(&c2c.hists.hists, &prog, resort_shared_cl_cb);
3195 hists__iterate_cb(&c2c.hists.hists, resort_cl_cb);
3196
3197 ui_progress__finish();
3198
3199 if (ui_quirks()) {
3200 pr_err("failed to setup UI\n");
3201 goto out_mem2node;
3202 }
3203
3204 perf_c2c_display(session);
3205
3206out_mem2node:
3207 mem2node__exit(&c2c.mem2node);
3208out_session:
3209 perf_session__delete(session);
3210out:
3211 return err;
3212}
3213
3214static int parse_record_events(const struct option *opt,
3215 const char *str, int unset __maybe_unused)
3216{
3217 bool *event_set = (bool *) opt->value;
3218
3219 if (!strcmp(str, "list")) {
3220 perf_mem_events__list();
3221 exit(0);
3222 }
3223 if (perf_mem_events__parse(str))
3224 exit(-1);
3225
3226 *event_set = true;
3227 return 0;
3228}
3229
3230
3231static const char * const __usage_record[] = {
3232 "perf c2c record [<options>] [<command>]",
3233 "perf c2c record [<options>] -- <command> [<options>]",
3234 NULL
3235};
3236
3237static const char * const *record_mem_usage = __usage_record;
3238
3239static int perf_c2c__record(int argc, const char **argv)
3240{
3241 int rec_argc, i = 0, j, rec_tmp_nr = 0;
3242 const char **rec_argv;
3243 char **rec_tmp;
3244 int ret;
3245 bool all_user = false, all_kernel = false;
3246 bool event_set = false;
3247 struct perf_mem_event *e;
3248 struct option options[] = {
3249 OPT_CALLBACK('e', "event", &event_set, "event",
3250 "event selector. Use 'perf c2c record -e list' to list available events",
3251 parse_record_events),
3252 OPT_BOOLEAN('u', "all-user", &all_user, "collect only user level data"),
3253 OPT_BOOLEAN('k', "all-kernel", &all_kernel, "collect only kernel level data"),
3254 OPT_UINTEGER('l', "ldlat", &perf_mem_events__loads_ldlat, "setup mem-loads latency"),
3255 OPT_PARENT(c2c_options),
3256 OPT_END()
3257 };
3258
3259 if (perf_mem_events__init()) {
3260 pr_err("failed: memory events not supported\n");
3261 return -1;
3262 }
3263
3264 argc = parse_options(argc, argv, options, record_mem_usage,
3265 PARSE_OPT_KEEP_UNKNOWN);
3266
3267 /* Max number of arguments multiplied by number of PMUs that can support them. */
3268 rec_argc = argc + 11 * perf_pmus__num_mem_pmus();
3269
3270 rec_argv = calloc(rec_argc + 1, sizeof(char *));
3271 if (!rec_argv)
3272 return -1;
3273
3274 rec_tmp = calloc(rec_argc + 1, sizeof(char *));
3275 if (!rec_tmp) {
3276 free(rec_argv);
3277 return -1;
3278 }
3279
3280 rec_argv[i++] = "record";
3281
3282 if (!event_set) {
3283 e = perf_mem_events__ptr(PERF_MEM_EVENTS__LOAD_STORE);
3284 /*
3285 * The load and store operations are required, use the event
3286 * PERF_MEM_EVENTS__LOAD_STORE if it is supported.
3287 */
3288 if (e->tag) {
3289 e->record = true;
3290 rec_argv[i++] = "-W";
3291 } else {
3292 e = perf_mem_events__ptr(PERF_MEM_EVENTS__LOAD);
3293 e->record = true;
3294
3295 e = perf_mem_events__ptr(PERF_MEM_EVENTS__STORE);
3296 e->record = true;
3297 }
3298 }
3299
3300 e = perf_mem_events__ptr(PERF_MEM_EVENTS__LOAD);
3301 if (e->record)
3302 rec_argv[i++] = "-W";
3303
3304 rec_argv[i++] = "-d";
3305 rec_argv[i++] = "--phys-data";
3306 rec_argv[i++] = "--sample-cpu";
3307
3308 ret = perf_mem_events__record_args(rec_argv, &i, rec_tmp, &rec_tmp_nr);
3309 if (ret)
3310 goto out;
3311
3312 if (all_user)
3313 rec_argv[i++] = "--all-user";
3314
3315 if (all_kernel)
3316 rec_argv[i++] = "--all-kernel";
3317
3318 for (j = 0; j < argc; j++, i++)
3319 rec_argv[i] = argv[j];
3320
3321 if (verbose > 0) {
3322 pr_debug("calling: ");
3323
3324 j = 0;
3325
3326 while (rec_argv[j]) {
3327 pr_debug("%s ", rec_argv[j]);
3328 j++;
3329 }
3330 pr_debug("\n");
3331 }
3332
3333 ret = cmd_record(i, rec_argv);
3334out:
3335 for (i = 0; i < rec_tmp_nr; i++)
3336 free(rec_tmp[i]);
3337
3338 free(rec_tmp);
3339 free(rec_argv);
3340 return ret;
3341}
3342
3343int cmd_c2c(int argc, const char **argv)
3344{
3345 argc = parse_options(argc, argv, c2c_options, c2c_usage,
3346 PARSE_OPT_STOP_AT_NON_OPTION);
3347
3348 if (!argc)
3349 usage_with_options(c2c_usage, c2c_options);
3350
3351 if (strlen(argv[0]) > 2 && strstarts("record", argv[0])) {
3352 return perf_c2c__record(argc, argv);
3353 } else if (strlen(argv[0]) > 2 && strstarts("report", argv[0])) {
3354 return perf_c2c__report(argc, argv);
3355 } else {
3356 usage_with_options(c2c_usage, c2c_options);
3357 }
3358
3359 return 0;
3360}