fs: Avoid premature clearing of capabilities
[cascardo/linux.git] / tools / perf / util / sort.c
1 #include <sys/mman.h>
2 #include "sort.h"
3 #include "hist.h"
4 #include "comm.h"
5 #include "symbol.h"
6 #include "evsel.h"
7 #include "evlist.h"
8 #include <traceevent/event-parse.h>
9 #include "mem-events.h"
10
11 regex_t         parent_regex;
12 const char      default_parent_pattern[] = "^sys_|^do_page_fault";
13 const char      *parent_pattern = default_parent_pattern;
14 const char      default_sort_order[] = "comm,dso,symbol";
15 const char      default_branch_sort_order[] = "comm,dso_from,symbol_from,symbol_to,cycles";
16 const char      default_mem_sort_order[] = "local_weight,mem,sym,dso,symbol_daddr,dso_daddr,snoop,tlb,locked";
17 const char      default_top_sort_order[] = "dso,symbol";
18 const char      default_diff_sort_order[] = "dso,symbol";
19 const char      default_tracepoint_sort_order[] = "trace";
20 const char      *sort_order;
21 const char      *field_order;
22 regex_t         ignore_callees_regex;
23 int             have_ignore_callees = 0;
24 enum sort_mode  sort__mode = SORT_MODE__NORMAL;
25
26 /*
27  * Replaces all occurrences of a char used with the:
28  *
29  * -t, --field-separator
30  *
31  * option, that uses a special separator character and don't pad with spaces,
32  * replacing all occurances of this separator in symbol names (and other
33  * output) with a '.' character, that thus it's the only non valid separator.
34 */
35 static int repsep_snprintf(char *bf, size_t size, const char *fmt, ...)
36 {
37         int n;
38         va_list ap;
39
40         va_start(ap, fmt);
41         n = vsnprintf(bf, size, fmt, ap);
42         if (symbol_conf.field_sep && n > 0) {
43                 char *sep = bf;
44
45                 while (1) {
46                         sep = strchr(sep, *symbol_conf.field_sep);
47                         if (sep == NULL)
48                                 break;
49                         *sep = '.';
50                 }
51         }
52         va_end(ap);
53
54         if (n >= (int)size)
55                 return size - 1;
56         return n;
57 }
58
59 static int64_t cmp_null(const void *l, const void *r)
60 {
61         if (!l && !r)
62                 return 0;
63         else if (!l)
64                 return -1;
65         else
66                 return 1;
67 }
68
69 /* --sort pid */
70
71 static int64_t
72 sort__thread_cmp(struct hist_entry *left, struct hist_entry *right)
73 {
74         return right->thread->tid - left->thread->tid;
75 }
76
77 static int hist_entry__thread_snprintf(struct hist_entry *he, char *bf,
78                                        size_t size, unsigned int width)
79 {
80         const char *comm = thread__comm_str(he->thread);
81
82         width = max(7U, width) - 8;
83         return repsep_snprintf(bf, size, "%7d:%-*.*s", he->thread->tid,
84                                width, width, comm ?: "");
85 }
86
87 static int hist_entry__thread_filter(struct hist_entry *he, int type, const void *arg)
88 {
89         const struct thread *th = arg;
90
91         if (type != HIST_FILTER__THREAD)
92                 return -1;
93
94         return th && he->thread != th;
95 }
96
97 struct sort_entry sort_thread = {
98         .se_header      = "    Pid:Command",
99         .se_cmp         = sort__thread_cmp,
100         .se_snprintf    = hist_entry__thread_snprintf,
101         .se_filter      = hist_entry__thread_filter,
102         .se_width_idx   = HISTC_THREAD,
103 };
104
105 /* --sort comm */
106
107 static int64_t
108 sort__comm_cmp(struct hist_entry *left, struct hist_entry *right)
109 {
110         /* Compare the addr that should be unique among comm */
111         return strcmp(comm__str(right->comm), comm__str(left->comm));
112 }
113
114 static int64_t
115 sort__comm_collapse(struct hist_entry *left, struct hist_entry *right)
116 {
117         /* Compare the addr that should be unique among comm */
118         return strcmp(comm__str(right->comm), comm__str(left->comm));
119 }
120
121 static int64_t
122 sort__comm_sort(struct hist_entry *left, struct hist_entry *right)
123 {
124         return strcmp(comm__str(right->comm), comm__str(left->comm));
125 }
126
127 static int hist_entry__comm_snprintf(struct hist_entry *he, char *bf,
128                                      size_t size, unsigned int width)
129 {
130         return repsep_snprintf(bf, size, "%-*.*s", width, width, comm__str(he->comm));
131 }
132
133 struct sort_entry sort_comm = {
134         .se_header      = "Command",
135         .se_cmp         = sort__comm_cmp,
136         .se_collapse    = sort__comm_collapse,
137         .se_sort        = sort__comm_sort,
138         .se_snprintf    = hist_entry__comm_snprintf,
139         .se_filter      = hist_entry__thread_filter,
140         .se_width_idx   = HISTC_COMM,
141 };
142
143 /* --sort dso */
144
145 static int64_t _sort__dso_cmp(struct map *map_l, struct map *map_r)
146 {
147         struct dso *dso_l = map_l ? map_l->dso : NULL;
148         struct dso *dso_r = map_r ? map_r->dso : NULL;
149         const char *dso_name_l, *dso_name_r;
150
151         if (!dso_l || !dso_r)
152                 return cmp_null(dso_r, dso_l);
153
154         if (verbose) {
155                 dso_name_l = dso_l->long_name;
156                 dso_name_r = dso_r->long_name;
157         } else {
158                 dso_name_l = dso_l->short_name;
159                 dso_name_r = dso_r->short_name;
160         }
161
162         return strcmp(dso_name_l, dso_name_r);
163 }
164
165 static int64_t
166 sort__dso_cmp(struct hist_entry *left, struct hist_entry *right)
167 {
168         return _sort__dso_cmp(right->ms.map, left->ms.map);
169 }
170
171 static int _hist_entry__dso_snprintf(struct map *map, char *bf,
172                                      size_t size, unsigned int width)
173 {
174         if (map && map->dso) {
175                 const char *dso_name = !verbose ? map->dso->short_name :
176                         map->dso->long_name;
177                 return repsep_snprintf(bf, size, "%-*.*s", width, width, dso_name);
178         }
179
180         return repsep_snprintf(bf, size, "%-*.*s", width, width, "[unknown]");
181 }
182
183 static int hist_entry__dso_snprintf(struct hist_entry *he, char *bf,
184                                     size_t size, unsigned int width)
185 {
186         return _hist_entry__dso_snprintf(he->ms.map, bf, size, width);
187 }
188
189 static int hist_entry__dso_filter(struct hist_entry *he, int type, const void *arg)
190 {
191         const struct dso *dso = arg;
192
193         if (type != HIST_FILTER__DSO)
194                 return -1;
195
196         return dso && (!he->ms.map || he->ms.map->dso != dso);
197 }
198
199 struct sort_entry sort_dso = {
200         .se_header      = "Shared Object",
201         .se_cmp         = sort__dso_cmp,
202         .se_snprintf    = hist_entry__dso_snprintf,
203         .se_filter      = hist_entry__dso_filter,
204         .se_width_idx   = HISTC_DSO,
205 };
206
207 /* --sort symbol */
208
209 static int64_t _sort__addr_cmp(u64 left_ip, u64 right_ip)
210 {
211         return (int64_t)(right_ip - left_ip);
212 }
213
214 static int64_t _sort__sym_cmp(struct symbol *sym_l, struct symbol *sym_r)
215 {
216         if (!sym_l || !sym_r)
217                 return cmp_null(sym_l, sym_r);
218
219         if (sym_l == sym_r)
220                 return 0;
221
222         if (sym_l->start != sym_r->start)
223                 return (int64_t)(sym_r->start - sym_l->start);
224
225         return (int64_t)(sym_r->end - sym_l->end);
226 }
227
228 static int64_t
229 sort__sym_cmp(struct hist_entry *left, struct hist_entry *right)
230 {
231         int64_t ret;
232
233         if (!left->ms.sym && !right->ms.sym)
234                 return _sort__addr_cmp(left->ip, right->ip);
235
236         /*
237          * comparing symbol address alone is not enough since it's a
238          * relative address within a dso.
239          */
240         if (!hists__has(left->hists, dso) || hists__has(right->hists, dso)) {
241                 ret = sort__dso_cmp(left, right);
242                 if (ret != 0)
243                         return ret;
244         }
245
246         return _sort__sym_cmp(left->ms.sym, right->ms.sym);
247 }
248
249 static int64_t
250 sort__sym_sort(struct hist_entry *left, struct hist_entry *right)
251 {
252         if (!left->ms.sym || !right->ms.sym)
253                 return cmp_null(left->ms.sym, right->ms.sym);
254
255         return strcmp(right->ms.sym->name, left->ms.sym->name);
256 }
257
258 static int _hist_entry__sym_snprintf(struct map *map, struct symbol *sym,
259                                      u64 ip, char level, char *bf, size_t size,
260                                      unsigned int width)
261 {
262         size_t ret = 0;
263
264         if (verbose) {
265                 char o = map ? dso__symtab_origin(map->dso) : '!';
266                 ret += repsep_snprintf(bf, size, "%-#*llx %c ",
267                                        BITS_PER_LONG / 4 + 2, ip, o);
268         }
269
270         ret += repsep_snprintf(bf + ret, size - ret, "[%c] ", level);
271         if (sym && map) {
272                 if (map->type == MAP__VARIABLE) {
273                         ret += repsep_snprintf(bf + ret, size - ret, "%s", sym->name);
274                         ret += repsep_snprintf(bf + ret, size - ret, "+0x%llx",
275                                         ip - map->unmap_ip(map, sym->start));
276                 } else {
277                         ret += repsep_snprintf(bf + ret, size - ret, "%.*s",
278                                                width - ret,
279                                                sym->name);
280                 }
281         } else {
282                 size_t len = BITS_PER_LONG / 4;
283                 ret += repsep_snprintf(bf + ret, size - ret, "%-#.*llx",
284                                        len, ip);
285         }
286
287         return ret;
288 }
289
290 static int hist_entry__sym_snprintf(struct hist_entry *he, char *bf,
291                                     size_t size, unsigned int width)
292 {
293         return _hist_entry__sym_snprintf(he->ms.map, he->ms.sym, he->ip,
294                                          he->level, bf, size, width);
295 }
296
297 static int hist_entry__sym_filter(struct hist_entry *he, int type, const void *arg)
298 {
299         const char *sym = arg;
300
301         if (type != HIST_FILTER__SYMBOL)
302                 return -1;
303
304         return sym && (!he->ms.sym || !strstr(he->ms.sym->name, sym));
305 }
306
307 struct sort_entry sort_sym = {
308         .se_header      = "Symbol",
309         .se_cmp         = sort__sym_cmp,
310         .se_sort        = sort__sym_sort,
311         .se_snprintf    = hist_entry__sym_snprintf,
312         .se_filter      = hist_entry__sym_filter,
313         .se_width_idx   = HISTC_SYMBOL,
314 };
315
316 /* --sort srcline */
317
318 static char *hist_entry__get_srcline(struct hist_entry *he)
319 {
320         struct map *map = he->ms.map;
321
322         if (!map)
323                 return SRCLINE_UNKNOWN;
324
325         return get_srcline(map->dso, map__rip_2objdump(map, he->ip),
326                            he->ms.sym, true);
327 }
328
329 static int64_t
330 sort__srcline_cmp(struct hist_entry *left, struct hist_entry *right)
331 {
332         if (!left->srcline)
333                 left->srcline = hist_entry__get_srcline(left);
334         if (!right->srcline)
335                 right->srcline = hist_entry__get_srcline(right);
336
337         return strcmp(right->srcline, left->srcline);
338 }
339
340 static int hist_entry__srcline_snprintf(struct hist_entry *he, char *bf,
341                                         size_t size, unsigned int width)
342 {
343         if (!he->srcline)
344                 he->srcline = hist_entry__get_srcline(he);
345
346         return repsep_snprintf(bf, size, "%-.*s", width, he->srcline);
347 }
348
349 struct sort_entry sort_srcline = {
350         .se_header      = "Source:Line",
351         .se_cmp         = sort__srcline_cmp,
352         .se_snprintf    = hist_entry__srcline_snprintf,
353         .se_width_idx   = HISTC_SRCLINE,
354 };
355
356 /* --sort srcline_from */
357
358 static int64_t
359 sort__srcline_from_cmp(struct hist_entry *left, struct hist_entry *right)
360 {
361         if (!left->branch_info->srcline_from) {
362                 struct map *map = left->branch_info->from.map;
363                 if (!map)
364                         left->branch_info->srcline_from = SRCLINE_UNKNOWN;
365                 else
366                         left->branch_info->srcline_from = get_srcline(map->dso,
367                                            map__rip_2objdump(map,
368                                                              left->branch_info->from.al_addr),
369                                                          left->branch_info->from.sym, true);
370         }
371         if (!right->branch_info->srcline_from) {
372                 struct map *map = right->branch_info->from.map;
373                 if (!map)
374                         right->branch_info->srcline_from = SRCLINE_UNKNOWN;
375                 else
376                         right->branch_info->srcline_from = get_srcline(map->dso,
377                                              map__rip_2objdump(map,
378                                                                right->branch_info->from.al_addr),
379                                                      right->branch_info->from.sym, true);
380         }
381         return strcmp(right->branch_info->srcline_from, left->branch_info->srcline_from);
382 }
383
384 static int hist_entry__srcline_from_snprintf(struct hist_entry *he, char *bf,
385                                         size_t size, unsigned int width)
386 {
387         return repsep_snprintf(bf, size, "%-*.*s", width, width, he->branch_info->srcline_from);
388 }
389
390 struct sort_entry sort_srcline_from = {
391         .se_header      = "From Source:Line",
392         .se_cmp         = sort__srcline_from_cmp,
393         .se_snprintf    = hist_entry__srcline_from_snprintf,
394         .se_width_idx   = HISTC_SRCLINE_FROM,
395 };
396
397 /* --sort srcline_to */
398
399 static int64_t
400 sort__srcline_to_cmp(struct hist_entry *left, struct hist_entry *right)
401 {
402         if (!left->branch_info->srcline_to) {
403                 struct map *map = left->branch_info->to.map;
404                 if (!map)
405                         left->branch_info->srcline_to = SRCLINE_UNKNOWN;
406                 else
407                         left->branch_info->srcline_to = get_srcline(map->dso,
408                                            map__rip_2objdump(map,
409                                                              left->branch_info->to.al_addr),
410                                                          left->branch_info->from.sym, true);
411         }
412         if (!right->branch_info->srcline_to) {
413                 struct map *map = right->branch_info->to.map;
414                 if (!map)
415                         right->branch_info->srcline_to = SRCLINE_UNKNOWN;
416                 else
417                         right->branch_info->srcline_to = get_srcline(map->dso,
418                                              map__rip_2objdump(map,
419                                                                right->branch_info->to.al_addr),
420                                                      right->branch_info->to.sym, true);
421         }
422         return strcmp(right->branch_info->srcline_to, left->branch_info->srcline_to);
423 }
424
425 static int hist_entry__srcline_to_snprintf(struct hist_entry *he, char *bf,
426                                         size_t size, unsigned int width)
427 {
428         return repsep_snprintf(bf, size, "%-*.*s", width, width, he->branch_info->srcline_to);
429 }
430
431 struct sort_entry sort_srcline_to = {
432         .se_header      = "To Source:Line",
433         .se_cmp         = sort__srcline_to_cmp,
434         .se_snprintf    = hist_entry__srcline_to_snprintf,
435         .se_width_idx   = HISTC_SRCLINE_TO,
436 };
437
438 /* --sort srcfile */
439
440 static char no_srcfile[1];
441
442 static char *hist_entry__get_srcfile(struct hist_entry *e)
443 {
444         char *sf, *p;
445         struct map *map = e->ms.map;
446
447         if (!map)
448                 return no_srcfile;
449
450         sf = __get_srcline(map->dso, map__rip_2objdump(map, e->ip),
451                          e->ms.sym, false, true);
452         if (!strcmp(sf, SRCLINE_UNKNOWN))
453                 return no_srcfile;
454         p = strchr(sf, ':');
455         if (p && *sf) {
456                 *p = 0;
457                 return sf;
458         }
459         free(sf);
460         return no_srcfile;
461 }
462
463 static int64_t
464 sort__srcfile_cmp(struct hist_entry *left, struct hist_entry *right)
465 {
466         if (!left->srcfile)
467                 left->srcfile = hist_entry__get_srcfile(left);
468         if (!right->srcfile)
469                 right->srcfile = hist_entry__get_srcfile(right);
470
471         return strcmp(right->srcfile, left->srcfile);
472 }
473
474 static int hist_entry__srcfile_snprintf(struct hist_entry *he, char *bf,
475                                         size_t size, unsigned int width)
476 {
477         if (!he->srcfile)
478                 he->srcfile = hist_entry__get_srcfile(he);
479
480         return repsep_snprintf(bf, size, "%-.*s", width, he->srcfile);
481 }
482
483 struct sort_entry sort_srcfile = {
484         .se_header      = "Source File",
485         .se_cmp         = sort__srcfile_cmp,
486         .se_snprintf    = hist_entry__srcfile_snprintf,
487         .se_width_idx   = HISTC_SRCFILE,
488 };
489
490 /* --sort parent */
491
492 static int64_t
493 sort__parent_cmp(struct hist_entry *left, struct hist_entry *right)
494 {
495         struct symbol *sym_l = left->parent;
496         struct symbol *sym_r = right->parent;
497
498         if (!sym_l || !sym_r)
499                 return cmp_null(sym_l, sym_r);
500
501         return strcmp(sym_r->name, sym_l->name);
502 }
503
504 static int hist_entry__parent_snprintf(struct hist_entry *he, char *bf,
505                                        size_t size, unsigned int width)
506 {
507         return repsep_snprintf(bf, size, "%-*.*s", width, width,
508                               he->parent ? he->parent->name : "[other]");
509 }
510
511 struct sort_entry sort_parent = {
512         .se_header      = "Parent symbol",
513         .se_cmp         = sort__parent_cmp,
514         .se_snprintf    = hist_entry__parent_snprintf,
515         .se_width_idx   = HISTC_PARENT,
516 };
517
518 /* --sort cpu */
519
520 static int64_t
521 sort__cpu_cmp(struct hist_entry *left, struct hist_entry *right)
522 {
523         return right->cpu - left->cpu;
524 }
525
526 static int hist_entry__cpu_snprintf(struct hist_entry *he, char *bf,
527                                     size_t size, unsigned int width)
528 {
529         return repsep_snprintf(bf, size, "%*.*d", width, width, he->cpu);
530 }
531
532 struct sort_entry sort_cpu = {
533         .se_header      = "CPU",
534         .se_cmp         = sort__cpu_cmp,
535         .se_snprintf    = hist_entry__cpu_snprintf,
536         .se_width_idx   = HISTC_CPU,
537 };
538
539 /* --sort socket */
540
541 static int64_t
542 sort__socket_cmp(struct hist_entry *left, struct hist_entry *right)
543 {
544         return right->socket - left->socket;
545 }
546
547 static int hist_entry__socket_snprintf(struct hist_entry *he, char *bf,
548                                     size_t size, unsigned int width)
549 {
550         return repsep_snprintf(bf, size, "%*.*d", width, width-3, he->socket);
551 }
552
553 static int hist_entry__socket_filter(struct hist_entry *he, int type, const void *arg)
554 {
555         int sk = *(const int *)arg;
556
557         if (type != HIST_FILTER__SOCKET)
558                 return -1;
559
560         return sk >= 0 && he->socket != sk;
561 }
562
563 struct sort_entry sort_socket = {
564         .se_header      = "Socket",
565         .se_cmp         = sort__socket_cmp,
566         .se_snprintf    = hist_entry__socket_snprintf,
567         .se_filter      = hist_entry__socket_filter,
568         .se_width_idx   = HISTC_SOCKET,
569 };
570
571 /* --sort trace */
572
573 static char *get_trace_output(struct hist_entry *he)
574 {
575         struct trace_seq seq;
576         struct perf_evsel *evsel;
577         struct pevent_record rec = {
578                 .data = he->raw_data,
579                 .size = he->raw_size,
580         };
581
582         evsel = hists_to_evsel(he->hists);
583
584         trace_seq_init(&seq);
585         if (symbol_conf.raw_trace) {
586                 pevent_print_fields(&seq, he->raw_data, he->raw_size,
587                                     evsel->tp_format);
588         } else {
589                 pevent_event_info(&seq, evsel->tp_format, &rec);
590         }
591         return seq.buffer;
592 }
593
594 static int64_t
595 sort__trace_cmp(struct hist_entry *left, struct hist_entry *right)
596 {
597         struct perf_evsel *evsel;
598
599         evsel = hists_to_evsel(left->hists);
600         if (evsel->attr.type != PERF_TYPE_TRACEPOINT)
601                 return 0;
602
603         if (left->trace_output == NULL)
604                 left->trace_output = get_trace_output(left);
605         if (right->trace_output == NULL)
606                 right->trace_output = get_trace_output(right);
607
608         return strcmp(right->trace_output, left->trace_output);
609 }
610
611 static int hist_entry__trace_snprintf(struct hist_entry *he, char *bf,
612                                     size_t size, unsigned int width)
613 {
614         struct perf_evsel *evsel;
615
616         evsel = hists_to_evsel(he->hists);
617         if (evsel->attr.type != PERF_TYPE_TRACEPOINT)
618                 return scnprintf(bf, size, "%-.*s", width, "N/A");
619
620         if (he->trace_output == NULL)
621                 he->trace_output = get_trace_output(he);
622         return repsep_snprintf(bf, size, "%-.*s", width, he->trace_output);
623 }
624
625 struct sort_entry sort_trace = {
626         .se_header      = "Trace output",
627         .se_cmp         = sort__trace_cmp,
628         .se_snprintf    = hist_entry__trace_snprintf,
629         .se_width_idx   = HISTC_TRACE,
630 };
631
632 /* sort keys for branch stacks */
633
634 static int64_t
635 sort__dso_from_cmp(struct hist_entry *left, struct hist_entry *right)
636 {
637         if (!left->branch_info || !right->branch_info)
638                 return cmp_null(left->branch_info, right->branch_info);
639
640         return _sort__dso_cmp(left->branch_info->from.map,
641                               right->branch_info->from.map);
642 }
643
644 static int hist_entry__dso_from_snprintf(struct hist_entry *he, char *bf,
645                                     size_t size, unsigned int width)
646 {
647         if (he->branch_info)
648                 return _hist_entry__dso_snprintf(he->branch_info->from.map,
649                                                  bf, size, width);
650         else
651                 return repsep_snprintf(bf, size, "%-*.*s", width, width, "N/A");
652 }
653
654 static int hist_entry__dso_from_filter(struct hist_entry *he, int type,
655                                        const void *arg)
656 {
657         const struct dso *dso = arg;
658
659         if (type != HIST_FILTER__DSO)
660                 return -1;
661
662         return dso && (!he->branch_info || !he->branch_info->from.map ||
663                        he->branch_info->from.map->dso != dso);
664 }
665
666 static int64_t
667 sort__dso_to_cmp(struct hist_entry *left, struct hist_entry *right)
668 {
669         if (!left->branch_info || !right->branch_info)
670                 return cmp_null(left->branch_info, right->branch_info);
671
672         return _sort__dso_cmp(left->branch_info->to.map,
673                               right->branch_info->to.map);
674 }
675
676 static int hist_entry__dso_to_snprintf(struct hist_entry *he, char *bf,
677                                        size_t size, unsigned int width)
678 {
679         if (he->branch_info)
680                 return _hist_entry__dso_snprintf(he->branch_info->to.map,
681                                                  bf, size, width);
682         else
683                 return repsep_snprintf(bf, size, "%-*.*s", width, width, "N/A");
684 }
685
686 static int hist_entry__dso_to_filter(struct hist_entry *he, int type,
687                                      const void *arg)
688 {
689         const struct dso *dso = arg;
690
691         if (type != HIST_FILTER__DSO)
692                 return -1;
693
694         return dso && (!he->branch_info || !he->branch_info->to.map ||
695                        he->branch_info->to.map->dso != dso);
696 }
697
698 static int64_t
699 sort__sym_from_cmp(struct hist_entry *left, struct hist_entry *right)
700 {
701         struct addr_map_symbol *from_l = &left->branch_info->from;
702         struct addr_map_symbol *from_r = &right->branch_info->from;
703
704         if (!left->branch_info || !right->branch_info)
705                 return cmp_null(left->branch_info, right->branch_info);
706
707         from_l = &left->branch_info->from;
708         from_r = &right->branch_info->from;
709
710         if (!from_l->sym && !from_r->sym)
711                 return _sort__addr_cmp(from_l->addr, from_r->addr);
712
713         return _sort__sym_cmp(from_l->sym, from_r->sym);
714 }
715
716 static int64_t
717 sort__sym_to_cmp(struct hist_entry *left, struct hist_entry *right)
718 {
719         struct addr_map_symbol *to_l, *to_r;
720
721         if (!left->branch_info || !right->branch_info)
722                 return cmp_null(left->branch_info, right->branch_info);
723
724         to_l = &left->branch_info->to;
725         to_r = &right->branch_info->to;
726
727         if (!to_l->sym && !to_r->sym)
728                 return _sort__addr_cmp(to_l->addr, to_r->addr);
729
730         return _sort__sym_cmp(to_l->sym, to_r->sym);
731 }
732
733 static int hist_entry__sym_from_snprintf(struct hist_entry *he, char *bf,
734                                          size_t size, unsigned int width)
735 {
736         if (he->branch_info) {
737                 struct addr_map_symbol *from = &he->branch_info->from;
738
739                 return _hist_entry__sym_snprintf(from->map, from->sym, from->addr,
740                                                  he->level, bf, size, width);
741         }
742
743         return repsep_snprintf(bf, size, "%-*.*s", width, width, "N/A");
744 }
745
746 static int hist_entry__sym_to_snprintf(struct hist_entry *he, char *bf,
747                                        size_t size, unsigned int width)
748 {
749         if (he->branch_info) {
750                 struct addr_map_symbol *to = &he->branch_info->to;
751
752                 return _hist_entry__sym_snprintf(to->map, to->sym, to->addr,
753                                                  he->level, bf, size, width);
754         }
755
756         return repsep_snprintf(bf, size, "%-*.*s", width, width, "N/A");
757 }
758
759 static int hist_entry__sym_from_filter(struct hist_entry *he, int type,
760                                        const void *arg)
761 {
762         const char *sym = arg;
763
764         if (type != HIST_FILTER__SYMBOL)
765                 return -1;
766
767         return sym && !(he->branch_info && he->branch_info->from.sym &&
768                         strstr(he->branch_info->from.sym->name, sym));
769 }
770
771 static int hist_entry__sym_to_filter(struct hist_entry *he, int type,
772                                        const void *arg)
773 {
774         const char *sym = arg;
775
776         if (type != HIST_FILTER__SYMBOL)
777                 return -1;
778
779         return sym && !(he->branch_info && he->branch_info->to.sym &&
780                         strstr(he->branch_info->to.sym->name, sym));
781 }
782
783 struct sort_entry sort_dso_from = {
784         .se_header      = "Source Shared Object",
785         .se_cmp         = sort__dso_from_cmp,
786         .se_snprintf    = hist_entry__dso_from_snprintf,
787         .se_filter      = hist_entry__dso_from_filter,
788         .se_width_idx   = HISTC_DSO_FROM,
789 };
790
791 struct sort_entry sort_dso_to = {
792         .se_header      = "Target Shared Object",
793         .se_cmp         = sort__dso_to_cmp,
794         .se_snprintf    = hist_entry__dso_to_snprintf,
795         .se_filter      = hist_entry__dso_to_filter,
796         .se_width_idx   = HISTC_DSO_TO,
797 };
798
799 struct sort_entry sort_sym_from = {
800         .se_header      = "Source Symbol",
801         .se_cmp         = sort__sym_from_cmp,
802         .se_snprintf    = hist_entry__sym_from_snprintf,
803         .se_filter      = hist_entry__sym_from_filter,
804         .se_width_idx   = HISTC_SYMBOL_FROM,
805 };
806
807 struct sort_entry sort_sym_to = {
808         .se_header      = "Target Symbol",
809         .se_cmp         = sort__sym_to_cmp,
810         .se_snprintf    = hist_entry__sym_to_snprintf,
811         .se_filter      = hist_entry__sym_to_filter,
812         .se_width_idx   = HISTC_SYMBOL_TO,
813 };
814
815 static int64_t
816 sort__mispredict_cmp(struct hist_entry *left, struct hist_entry *right)
817 {
818         unsigned char mp, p;
819
820         if (!left->branch_info || !right->branch_info)
821                 return cmp_null(left->branch_info, right->branch_info);
822
823         mp = left->branch_info->flags.mispred != right->branch_info->flags.mispred;
824         p  = left->branch_info->flags.predicted != right->branch_info->flags.predicted;
825         return mp || p;
826 }
827
828 static int hist_entry__mispredict_snprintf(struct hist_entry *he, char *bf,
829                                     size_t size, unsigned int width){
830         static const char *out = "N/A";
831
832         if (he->branch_info) {
833                 if (he->branch_info->flags.predicted)
834                         out = "N";
835                 else if (he->branch_info->flags.mispred)
836                         out = "Y";
837         }
838
839         return repsep_snprintf(bf, size, "%-*.*s", width, width, out);
840 }
841
842 static int64_t
843 sort__cycles_cmp(struct hist_entry *left, struct hist_entry *right)
844 {
845         return left->branch_info->flags.cycles -
846                 right->branch_info->flags.cycles;
847 }
848
849 static int hist_entry__cycles_snprintf(struct hist_entry *he, char *bf,
850                                     size_t size, unsigned int width)
851 {
852         if (he->branch_info->flags.cycles == 0)
853                 return repsep_snprintf(bf, size, "%-*s", width, "-");
854         return repsep_snprintf(bf, size, "%-*hd", width,
855                                he->branch_info->flags.cycles);
856 }
857
858 struct sort_entry sort_cycles = {
859         .se_header      = "Basic Block Cycles",
860         .se_cmp         = sort__cycles_cmp,
861         .se_snprintf    = hist_entry__cycles_snprintf,
862         .se_width_idx   = HISTC_CYCLES,
863 };
864
865 /* --sort daddr_sym */
866 static int64_t
867 sort__daddr_cmp(struct hist_entry *left, struct hist_entry *right)
868 {
869         uint64_t l = 0, r = 0;
870
871         if (left->mem_info)
872                 l = left->mem_info->daddr.addr;
873         if (right->mem_info)
874                 r = right->mem_info->daddr.addr;
875
876         return (int64_t)(r - l);
877 }
878
879 static int hist_entry__daddr_snprintf(struct hist_entry *he, char *bf,
880                                     size_t size, unsigned int width)
881 {
882         uint64_t addr = 0;
883         struct map *map = NULL;
884         struct symbol *sym = NULL;
885
886         if (he->mem_info) {
887                 addr = he->mem_info->daddr.addr;
888                 map = he->mem_info->daddr.map;
889                 sym = he->mem_info->daddr.sym;
890         }
891         return _hist_entry__sym_snprintf(map, sym, addr, he->level, bf, size,
892                                          width);
893 }
894
895 static int64_t
896 sort__iaddr_cmp(struct hist_entry *left, struct hist_entry *right)
897 {
898         uint64_t l = 0, r = 0;
899
900         if (left->mem_info)
901                 l = left->mem_info->iaddr.addr;
902         if (right->mem_info)
903                 r = right->mem_info->iaddr.addr;
904
905         return (int64_t)(r - l);
906 }
907
908 static int hist_entry__iaddr_snprintf(struct hist_entry *he, char *bf,
909                                     size_t size, unsigned int width)
910 {
911         uint64_t addr = 0;
912         struct map *map = NULL;
913         struct symbol *sym = NULL;
914
915         if (he->mem_info) {
916                 addr = he->mem_info->iaddr.addr;
917                 map  = he->mem_info->iaddr.map;
918                 sym  = he->mem_info->iaddr.sym;
919         }
920         return _hist_entry__sym_snprintf(map, sym, addr, he->level, bf, size,
921                                          width);
922 }
923
924 static int64_t
925 sort__dso_daddr_cmp(struct hist_entry *left, struct hist_entry *right)
926 {
927         struct map *map_l = NULL;
928         struct map *map_r = NULL;
929
930         if (left->mem_info)
931                 map_l = left->mem_info->daddr.map;
932         if (right->mem_info)
933                 map_r = right->mem_info->daddr.map;
934
935         return _sort__dso_cmp(map_l, map_r);
936 }
937
938 static int hist_entry__dso_daddr_snprintf(struct hist_entry *he, char *bf,
939                                     size_t size, unsigned int width)
940 {
941         struct map *map = NULL;
942
943         if (he->mem_info)
944                 map = he->mem_info->daddr.map;
945
946         return _hist_entry__dso_snprintf(map, bf, size, width);
947 }
948
949 static int64_t
950 sort__locked_cmp(struct hist_entry *left, struct hist_entry *right)
951 {
952         union perf_mem_data_src data_src_l;
953         union perf_mem_data_src data_src_r;
954
955         if (left->mem_info)
956                 data_src_l = left->mem_info->data_src;
957         else
958                 data_src_l.mem_lock = PERF_MEM_LOCK_NA;
959
960         if (right->mem_info)
961                 data_src_r = right->mem_info->data_src;
962         else
963                 data_src_r.mem_lock = PERF_MEM_LOCK_NA;
964
965         return (int64_t)(data_src_r.mem_lock - data_src_l.mem_lock);
966 }
967
968 static int hist_entry__locked_snprintf(struct hist_entry *he, char *bf,
969                                     size_t size, unsigned int width)
970 {
971         char out[10];
972
973         perf_mem__lck_scnprintf(out, sizeof(out), he->mem_info);
974         return repsep_snprintf(bf, size, "%.*s", width, out);
975 }
976
977 static int64_t
978 sort__tlb_cmp(struct hist_entry *left, struct hist_entry *right)
979 {
980         union perf_mem_data_src data_src_l;
981         union perf_mem_data_src data_src_r;
982
983         if (left->mem_info)
984                 data_src_l = left->mem_info->data_src;
985         else
986                 data_src_l.mem_dtlb = PERF_MEM_TLB_NA;
987
988         if (right->mem_info)
989                 data_src_r = right->mem_info->data_src;
990         else
991                 data_src_r.mem_dtlb = PERF_MEM_TLB_NA;
992
993         return (int64_t)(data_src_r.mem_dtlb - data_src_l.mem_dtlb);
994 }
995
996 static int hist_entry__tlb_snprintf(struct hist_entry *he, char *bf,
997                                     size_t size, unsigned int width)
998 {
999         char out[64];
1000
1001         perf_mem__tlb_scnprintf(out, sizeof(out), he->mem_info);
1002         return repsep_snprintf(bf, size, "%-*s", width, out);
1003 }
1004
1005 static int64_t
1006 sort__lvl_cmp(struct hist_entry *left, struct hist_entry *right)
1007 {
1008         union perf_mem_data_src data_src_l;
1009         union perf_mem_data_src data_src_r;
1010
1011         if (left->mem_info)
1012                 data_src_l = left->mem_info->data_src;
1013         else
1014                 data_src_l.mem_lvl = PERF_MEM_LVL_NA;
1015
1016         if (right->mem_info)
1017                 data_src_r = right->mem_info->data_src;
1018         else
1019                 data_src_r.mem_lvl = PERF_MEM_LVL_NA;
1020
1021         return (int64_t)(data_src_r.mem_lvl - data_src_l.mem_lvl);
1022 }
1023
1024 static int hist_entry__lvl_snprintf(struct hist_entry *he, char *bf,
1025                                     size_t size, unsigned int width)
1026 {
1027         char out[64];
1028
1029         perf_mem__lvl_scnprintf(out, sizeof(out), he->mem_info);
1030         return repsep_snprintf(bf, size, "%-*s", width, out);
1031 }
1032
1033 static int64_t
1034 sort__snoop_cmp(struct hist_entry *left, struct hist_entry *right)
1035 {
1036         union perf_mem_data_src data_src_l;
1037         union perf_mem_data_src data_src_r;
1038
1039         if (left->mem_info)
1040                 data_src_l = left->mem_info->data_src;
1041         else
1042                 data_src_l.mem_snoop = PERF_MEM_SNOOP_NA;
1043
1044         if (right->mem_info)
1045                 data_src_r = right->mem_info->data_src;
1046         else
1047                 data_src_r.mem_snoop = PERF_MEM_SNOOP_NA;
1048
1049         return (int64_t)(data_src_r.mem_snoop - data_src_l.mem_snoop);
1050 }
1051
1052 static int hist_entry__snoop_snprintf(struct hist_entry *he, char *bf,
1053                                     size_t size, unsigned int width)
1054 {
1055         char out[64];
1056
1057         perf_mem__snp_scnprintf(out, sizeof(out), he->mem_info);
1058         return repsep_snprintf(bf, size, "%-*s", width, out);
1059 }
1060
1061 static int64_t
1062 sort__dcacheline_cmp(struct hist_entry *left, struct hist_entry *right)
1063 {
1064         u64 l, r;
1065         struct map *l_map, *r_map;
1066
1067         if (!left->mem_info)  return -1;
1068         if (!right->mem_info) return 1;
1069
1070         /* group event types together */
1071         if (left->cpumode > right->cpumode) return -1;
1072         if (left->cpumode < right->cpumode) return 1;
1073
1074         l_map = left->mem_info->daddr.map;
1075         r_map = right->mem_info->daddr.map;
1076
1077         /* if both are NULL, jump to sort on al_addr instead */
1078         if (!l_map && !r_map)
1079                 goto addr;
1080
1081         if (!l_map) return -1;
1082         if (!r_map) return 1;
1083
1084         if (l_map->maj > r_map->maj) return -1;
1085         if (l_map->maj < r_map->maj) return 1;
1086
1087         if (l_map->min > r_map->min) return -1;
1088         if (l_map->min < r_map->min) return 1;
1089
1090         if (l_map->ino > r_map->ino) return -1;
1091         if (l_map->ino < r_map->ino) return 1;
1092
1093         if (l_map->ino_generation > r_map->ino_generation) return -1;
1094         if (l_map->ino_generation < r_map->ino_generation) return 1;
1095
1096         /*
1097          * Addresses with no major/minor numbers are assumed to be
1098          * anonymous in userspace.  Sort those on pid then address.
1099          *
1100          * The kernel and non-zero major/minor mapped areas are
1101          * assumed to be unity mapped.  Sort those on address.
1102          */
1103
1104         if ((left->cpumode != PERF_RECORD_MISC_KERNEL) &&
1105             (!(l_map->flags & MAP_SHARED)) &&
1106             !l_map->maj && !l_map->min && !l_map->ino &&
1107             !l_map->ino_generation) {
1108                 /* userspace anonymous */
1109
1110                 if (left->thread->pid_ > right->thread->pid_) return -1;
1111                 if (left->thread->pid_ < right->thread->pid_) return 1;
1112         }
1113
1114 addr:
1115         /* al_addr does all the right addr - start + offset calculations */
1116         l = cl_address(left->mem_info->daddr.al_addr);
1117         r = cl_address(right->mem_info->daddr.al_addr);
1118
1119         if (l > r) return -1;
1120         if (l < r) return 1;
1121
1122         return 0;
1123 }
1124
1125 static int hist_entry__dcacheline_snprintf(struct hist_entry *he, char *bf,
1126                                           size_t size, unsigned int width)
1127 {
1128
1129         uint64_t addr = 0;
1130         struct map *map = NULL;
1131         struct symbol *sym = NULL;
1132         char level = he->level;
1133
1134         if (he->mem_info) {
1135                 addr = cl_address(he->mem_info->daddr.al_addr);
1136                 map = he->mem_info->daddr.map;
1137                 sym = he->mem_info->daddr.sym;
1138
1139                 /* print [s] for shared data mmaps */
1140                 if ((he->cpumode != PERF_RECORD_MISC_KERNEL) &&
1141                      map && (map->type == MAP__VARIABLE) &&
1142                     (map->flags & MAP_SHARED) &&
1143                     (map->maj || map->min || map->ino ||
1144                      map->ino_generation))
1145                         level = 's';
1146                 else if (!map)
1147                         level = 'X';
1148         }
1149         return _hist_entry__sym_snprintf(map, sym, addr, level, bf, size,
1150                                          width);
1151 }
1152
1153 struct sort_entry sort_mispredict = {
1154         .se_header      = "Branch Mispredicted",
1155         .se_cmp         = sort__mispredict_cmp,
1156         .se_snprintf    = hist_entry__mispredict_snprintf,
1157         .se_width_idx   = HISTC_MISPREDICT,
1158 };
1159
1160 static u64 he_weight(struct hist_entry *he)
1161 {
1162         return he->stat.nr_events ? he->stat.weight / he->stat.nr_events : 0;
1163 }
1164
1165 static int64_t
1166 sort__local_weight_cmp(struct hist_entry *left, struct hist_entry *right)
1167 {
1168         return he_weight(left) - he_weight(right);
1169 }
1170
1171 static int hist_entry__local_weight_snprintf(struct hist_entry *he, char *bf,
1172                                     size_t size, unsigned int width)
1173 {
1174         return repsep_snprintf(bf, size, "%-*llu", width, he_weight(he));
1175 }
1176
1177 struct sort_entry sort_local_weight = {
1178         .se_header      = "Local Weight",
1179         .se_cmp         = sort__local_weight_cmp,
1180         .se_snprintf    = hist_entry__local_weight_snprintf,
1181         .se_width_idx   = HISTC_LOCAL_WEIGHT,
1182 };
1183
1184 static int64_t
1185 sort__global_weight_cmp(struct hist_entry *left, struct hist_entry *right)
1186 {
1187         return left->stat.weight - right->stat.weight;
1188 }
1189
1190 static int hist_entry__global_weight_snprintf(struct hist_entry *he, char *bf,
1191                                               size_t size, unsigned int width)
1192 {
1193         return repsep_snprintf(bf, size, "%-*llu", width, he->stat.weight);
1194 }
1195
1196 struct sort_entry sort_global_weight = {
1197         .se_header      = "Weight",
1198         .se_cmp         = sort__global_weight_cmp,
1199         .se_snprintf    = hist_entry__global_weight_snprintf,
1200         .se_width_idx   = HISTC_GLOBAL_WEIGHT,
1201 };
1202
1203 struct sort_entry sort_mem_daddr_sym = {
1204         .se_header      = "Data Symbol",
1205         .se_cmp         = sort__daddr_cmp,
1206         .se_snprintf    = hist_entry__daddr_snprintf,
1207         .se_width_idx   = HISTC_MEM_DADDR_SYMBOL,
1208 };
1209
1210 struct sort_entry sort_mem_iaddr_sym = {
1211         .se_header      = "Code Symbol",
1212         .se_cmp         = sort__iaddr_cmp,
1213         .se_snprintf    = hist_entry__iaddr_snprintf,
1214         .se_width_idx   = HISTC_MEM_IADDR_SYMBOL,
1215 };
1216
1217 struct sort_entry sort_mem_daddr_dso = {
1218         .se_header      = "Data Object",
1219         .se_cmp         = sort__dso_daddr_cmp,
1220         .se_snprintf    = hist_entry__dso_daddr_snprintf,
1221         .se_width_idx   = HISTC_MEM_DADDR_DSO,
1222 };
1223
1224 struct sort_entry sort_mem_locked = {
1225         .se_header      = "Locked",
1226         .se_cmp         = sort__locked_cmp,
1227         .se_snprintf    = hist_entry__locked_snprintf,
1228         .se_width_idx   = HISTC_MEM_LOCKED,
1229 };
1230
1231 struct sort_entry sort_mem_tlb = {
1232         .se_header      = "TLB access",
1233         .se_cmp         = sort__tlb_cmp,
1234         .se_snprintf    = hist_entry__tlb_snprintf,
1235         .se_width_idx   = HISTC_MEM_TLB,
1236 };
1237
1238 struct sort_entry sort_mem_lvl = {
1239         .se_header      = "Memory access",
1240         .se_cmp         = sort__lvl_cmp,
1241         .se_snprintf    = hist_entry__lvl_snprintf,
1242         .se_width_idx   = HISTC_MEM_LVL,
1243 };
1244
1245 struct sort_entry sort_mem_snoop = {
1246         .se_header      = "Snoop",
1247         .se_cmp         = sort__snoop_cmp,
1248         .se_snprintf    = hist_entry__snoop_snprintf,
1249         .se_width_idx   = HISTC_MEM_SNOOP,
1250 };
1251
1252 struct sort_entry sort_mem_dcacheline = {
1253         .se_header      = "Data Cacheline",
1254         .se_cmp         = sort__dcacheline_cmp,
1255         .se_snprintf    = hist_entry__dcacheline_snprintf,
1256         .se_width_idx   = HISTC_MEM_DCACHELINE,
1257 };
1258
1259 static int64_t
1260 sort__abort_cmp(struct hist_entry *left, struct hist_entry *right)
1261 {
1262         if (!left->branch_info || !right->branch_info)
1263                 return cmp_null(left->branch_info, right->branch_info);
1264
1265         return left->branch_info->flags.abort !=
1266                 right->branch_info->flags.abort;
1267 }
1268
1269 static int hist_entry__abort_snprintf(struct hist_entry *he, char *bf,
1270                                     size_t size, unsigned int width)
1271 {
1272         static const char *out = "N/A";
1273
1274         if (he->branch_info) {
1275                 if (he->branch_info->flags.abort)
1276                         out = "A";
1277                 else
1278                         out = ".";
1279         }
1280
1281         return repsep_snprintf(bf, size, "%-*s", width, out);
1282 }
1283
1284 struct sort_entry sort_abort = {
1285         .se_header      = "Transaction abort",
1286         .se_cmp         = sort__abort_cmp,
1287         .se_snprintf    = hist_entry__abort_snprintf,
1288         .se_width_idx   = HISTC_ABORT,
1289 };
1290
1291 static int64_t
1292 sort__in_tx_cmp(struct hist_entry *left, struct hist_entry *right)
1293 {
1294         if (!left->branch_info || !right->branch_info)
1295                 return cmp_null(left->branch_info, right->branch_info);
1296
1297         return left->branch_info->flags.in_tx !=
1298                 right->branch_info->flags.in_tx;
1299 }
1300
1301 static int hist_entry__in_tx_snprintf(struct hist_entry *he, char *bf,
1302                                     size_t size, unsigned int width)
1303 {
1304         static const char *out = "N/A";
1305
1306         if (he->branch_info) {
1307                 if (he->branch_info->flags.in_tx)
1308                         out = "T";
1309                 else
1310                         out = ".";
1311         }
1312
1313         return repsep_snprintf(bf, size, "%-*s", width, out);
1314 }
1315
1316 struct sort_entry sort_in_tx = {
1317         .se_header      = "Branch in transaction",
1318         .se_cmp         = sort__in_tx_cmp,
1319         .se_snprintf    = hist_entry__in_tx_snprintf,
1320         .se_width_idx   = HISTC_IN_TX,
1321 };
1322
1323 static int64_t
1324 sort__transaction_cmp(struct hist_entry *left, struct hist_entry *right)
1325 {
1326         return left->transaction - right->transaction;
1327 }
1328
1329 static inline char *add_str(char *p, const char *str)
1330 {
1331         strcpy(p, str);
1332         return p + strlen(str);
1333 }
1334
1335 static struct txbit {
1336         unsigned flag;
1337         const char *name;
1338         int skip_for_len;
1339 } txbits[] = {
1340         { PERF_TXN_ELISION,        "EL ",        0 },
1341         { PERF_TXN_TRANSACTION,    "TX ",        1 },
1342         { PERF_TXN_SYNC,           "SYNC ",      1 },
1343         { PERF_TXN_ASYNC,          "ASYNC ",     0 },
1344         { PERF_TXN_RETRY,          "RETRY ",     0 },
1345         { PERF_TXN_CONFLICT,       "CON ",       0 },
1346         { PERF_TXN_CAPACITY_WRITE, "CAP-WRITE ", 1 },
1347         { PERF_TXN_CAPACITY_READ,  "CAP-READ ",  0 },
1348         { 0, NULL, 0 }
1349 };
1350
1351 int hist_entry__transaction_len(void)
1352 {
1353         int i;
1354         int len = 0;
1355
1356         for (i = 0; txbits[i].name; i++) {
1357                 if (!txbits[i].skip_for_len)
1358                         len += strlen(txbits[i].name);
1359         }
1360         len += 4; /* :XX<space> */
1361         return len;
1362 }
1363
1364 static int hist_entry__transaction_snprintf(struct hist_entry *he, char *bf,
1365                                             size_t size, unsigned int width)
1366 {
1367         u64 t = he->transaction;
1368         char buf[128];
1369         char *p = buf;
1370         int i;
1371
1372         buf[0] = 0;
1373         for (i = 0; txbits[i].name; i++)
1374                 if (txbits[i].flag & t)
1375                         p = add_str(p, txbits[i].name);
1376         if (t && !(t & (PERF_TXN_SYNC|PERF_TXN_ASYNC)))
1377                 p = add_str(p, "NEITHER ");
1378         if (t & PERF_TXN_ABORT_MASK) {
1379                 sprintf(p, ":%" PRIx64,
1380                         (t & PERF_TXN_ABORT_MASK) >>
1381                         PERF_TXN_ABORT_SHIFT);
1382                 p += strlen(p);
1383         }
1384
1385         return repsep_snprintf(bf, size, "%-*s", width, buf);
1386 }
1387
1388 struct sort_entry sort_transaction = {
1389         .se_header      = "Transaction                ",
1390         .se_cmp         = sort__transaction_cmp,
1391         .se_snprintf    = hist_entry__transaction_snprintf,
1392         .se_width_idx   = HISTC_TRANSACTION,
1393 };
1394
1395 struct sort_dimension {
1396         const char              *name;
1397         struct sort_entry       *entry;
1398         int                     taken;
1399 };
1400
1401 #define DIM(d, n, func) [d] = { .name = n, .entry = &(func) }
1402
1403 static struct sort_dimension common_sort_dimensions[] = {
1404         DIM(SORT_PID, "pid", sort_thread),
1405         DIM(SORT_COMM, "comm", sort_comm),
1406         DIM(SORT_DSO, "dso", sort_dso),
1407         DIM(SORT_SYM, "symbol", sort_sym),
1408         DIM(SORT_PARENT, "parent", sort_parent),
1409         DIM(SORT_CPU, "cpu", sort_cpu),
1410         DIM(SORT_SOCKET, "socket", sort_socket),
1411         DIM(SORT_SRCLINE, "srcline", sort_srcline),
1412         DIM(SORT_SRCFILE, "srcfile", sort_srcfile),
1413         DIM(SORT_LOCAL_WEIGHT, "local_weight", sort_local_weight),
1414         DIM(SORT_GLOBAL_WEIGHT, "weight", sort_global_weight),
1415         DIM(SORT_TRANSACTION, "transaction", sort_transaction),
1416         DIM(SORT_TRACE, "trace", sort_trace),
1417 };
1418
1419 #undef DIM
1420
1421 #define DIM(d, n, func) [d - __SORT_BRANCH_STACK] = { .name = n, .entry = &(func) }
1422
1423 static struct sort_dimension bstack_sort_dimensions[] = {
1424         DIM(SORT_DSO_FROM, "dso_from", sort_dso_from),
1425         DIM(SORT_DSO_TO, "dso_to", sort_dso_to),
1426         DIM(SORT_SYM_FROM, "symbol_from", sort_sym_from),
1427         DIM(SORT_SYM_TO, "symbol_to", sort_sym_to),
1428         DIM(SORT_MISPREDICT, "mispredict", sort_mispredict),
1429         DIM(SORT_IN_TX, "in_tx", sort_in_tx),
1430         DIM(SORT_ABORT, "abort", sort_abort),
1431         DIM(SORT_CYCLES, "cycles", sort_cycles),
1432         DIM(SORT_SRCLINE_FROM, "srcline_from", sort_srcline_from),
1433         DIM(SORT_SRCLINE_TO, "srcline_to", sort_srcline_to),
1434 };
1435
1436 #undef DIM
1437
1438 #define DIM(d, n, func) [d - __SORT_MEMORY_MODE] = { .name = n, .entry = &(func) }
1439
1440 static struct sort_dimension memory_sort_dimensions[] = {
1441         DIM(SORT_MEM_DADDR_SYMBOL, "symbol_daddr", sort_mem_daddr_sym),
1442         DIM(SORT_MEM_IADDR_SYMBOL, "symbol_iaddr", sort_mem_iaddr_sym),
1443         DIM(SORT_MEM_DADDR_DSO, "dso_daddr", sort_mem_daddr_dso),
1444         DIM(SORT_MEM_LOCKED, "locked", sort_mem_locked),
1445         DIM(SORT_MEM_TLB, "tlb", sort_mem_tlb),
1446         DIM(SORT_MEM_LVL, "mem", sort_mem_lvl),
1447         DIM(SORT_MEM_SNOOP, "snoop", sort_mem_snoop),
1448         DIM(SORT_MEM_DCACHELINE, "dcacheline", sort_mem_dcacheline),
1449 };
1450
1451 #undef DIM
1452
1453 struct hpp_dimension {
1454         const char              *name;
1455         struct perf_hpp_fmt     *fmt;
1456         int                     taken;
1457 };
1458
1459 #define DIM(d, n) { .name = n, .fmt = &perf_hpp__format[d], }
1460
1461 static struct hpp_dimension hpp_sort_dimensions[] = {
1462         DIM(PERF_HPP__OVERHEAD, "overhead"),
1463         DIM(PERF_HPP__OVERHEAD_SYS, "overhead_sys"),
1464         DIM(PERF_HPP__OVERHEAD_US, "overhead_us"),
1465         DIM(PERF_HPP__OVERHEAD_GUEST_SYS, "overhead_guest_sys"),
1466         DIM(PERF_HPP__OVERHEAD_GUEST_US, "overhead_guest_us"),
1467         DIM(PERF_HPP__OVERHEAD_ACC, "overhead_children"),
1468         DIM(PERF_HPP__SAMPLES, "sample"),
1469         DIM(PERF_HPP__PERIOD, "period"),
1470 };
1471
1472 #undef DIM
1473
1474 struct hpp_sort_entry {
1475         struct perf_hpp_fmt hpp;
1476         struct sort_entry *se;
1477 };
1478
1479 void perf_hpp__reset_sort_width(struct perf_hpp_fmt *fmt, struct hists *hists)
1480 {
1481         struct hpp_sort_entry *hse;
1482
1483         if (!perf_hpp__is_sort_entry(fmt))
1484                 return;
1485
1486         hse = container_of(fmt, struct hpp_sort_entry, hpp);
1487         hists__new_col_len(hists, hse->se->se_width_idx, strlen(fmt->name));
1488 }
1489
1490 static int __sort__hpp_header(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1491                               struct hists *hists)
1492 {
1493         struct hpp_sort_entry *hse;
1494         size_t len = fmt->user_len;
1495
1496         hse = container_of(fmt, struct hpp_sort_entry, hpp);
1497
1498         if (!len)
1499                 len = hists__col_len(hists, hse->se->se_width_idx);
1500
1501         return scnprintf(hpp->buf, hpp->size, "%-*.*s", len, len, fmt->name);
1502 }
1503
1504 static int __sort__hpp_width(struct perf_hpp_fmt *fmt,
1505                              struct perf_hpp *hpp __maybe_unused,
1506                              struct hists *hists)
1507 {
1508         struct hpp_sort_entry *hse;
1509         size_t len = fmt->user_len;
1510
1511         hse = container_of(fmt, struct hpp_sort_entry, hpp);
1512
1513         if (!len)
1514                 len = hists__col_len(hists, hse->se->se_width_idx);
1515
1516         return len;
1517 }
1518
1519 static int __sort__hpp_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1520                              struct hist_entry *he)
1521 {
1522         struct hpp_sort_entry *hse;
1523         size_t len = fmt->user_len;
1524
1525         hse = container_of(fmt, struct hpp_sort_entry, hpp);
1526
1527         if (!len)
1528                 len = hists__col_len(he->hists, hse->se->se_width_idx);
1529
1530         return hse->se->se_snprintf(he, hpp->buf, hpp->size, len);
1531 }
1532
1533 static int64_t __sort__hpp_cmp(struct perf_hpp_fmt *fmt,
1534                                struct hist_entry *a, struct hist_entry *b)
1535 {
1536         struct hpp_sort_entry *hse;
1537
1538         hse = container_of(fmt, struct hpp_sort_entry, hpp);
1539         return hse->se->se_cmp(a, b);
1540 }
1541
1542 static int64_t __sort__hpp_collapse(struct perf_hpp_fmt *fmt,
1543                                     struct hist_entry *a, struct hist_entry *b)
1544 {
1545         struct hpp_sort_entry *hse;
1546         int64_t (*collapse_fn)(struct hist_entry *, struct hist_entry *);
1547
1548         hse = container_of(fmt, struct hpp_sort_entry, hpp);
1549         collapse_fn = hse->se->se_collapse ?: hse->se->se_cmp;
1550         return collapse_fn(a, b);
1551 }
1552
1553 static int64_t __sort__hpp_sort(struct perf_hpp_fmt *fmt,
1554                                 struct hist_entry *a, struct hist_entry *b)
1555 {
1556         struct hpp_sort_entry *hse;
1557         int64_t (*sort_fn)(struct hist_entry *, struct hist_entry *);
1558
1559         hse = container_of(fmt, struct hpp_sort_entry, hpp);
1560         sort_fn = hse->se->se_sort ?: hse->se->se_cmp;
1561         return sort_fn(a, b);
1562 }
1563
1564 bool perf_hpp__is_sort_entry(struct perf_hpp_fmt *format)
1565 {
1566         return format->header == __sort__hpp_header;
1567 }
1568
1569 #define MK_SORT_ENTRY_CHK(key)                                  \
1570 bool perf_hpp__is_ ## key ## _entry(struct perf_hpp_fmt *fmt)   \
1571 {                                                               \
1572         struct hpp_sort_entry *hse;                             \
1573                                                                 \
1574         if (!perf_hpp__is_sort_entry(fmt))                      \
1575                 return false;                                   \
1576                                                                 \
1577         hse = container_of(fmt, struct hpp_sort_entry, hpp);    \
1578         return hse->se == &sort_ ## key ;                       \
1579 }
1580
1581 MK_SORT_ENTRY_CHK(trace)
1582 MK_SORT_ENTRY_CHK(srcline)
1583 MK_SORT_ENTRY_CHK(srcfile)
1584 MK_SORT_ENTRY_CHK(thread)
1585 MK_SORT_ENTRY_CHK(comm)
1586 MK_SORT_ENTRY_CHK(dso)
1587 MK_SORT_ENTRY_CHK(sym)
1588
1589
1590 static bool __sort__hpp_equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b)
1591 {
1592         struct hpp_sort_entry *hse_a;
1593         struct hpp_sort_entry *hse_b;
1594
1595         if (!perf_hpp__is_sort_entry(a) || !perf_hpp__is_sort_entry(b))
1596                 return false;
1597
1598         hse_a = container_of(a, struct hpp_sort_entry, hpp);
1599         hse_b = container_of(b, struct hpp_sort_entry, hpp);
1600
1601         return hse_a->se == hse_b->se;
1602 }
1603
1604 static void hse_free(struct perf_hpp_fmt *fmt)
1605 {
1606         struct hpp_sort_entry *hse;
1607
1608         hse = container_of(fmt, struct hpp_sort_entry, hpp);
1609         free(hse);
1610 }
1611
1612 static struct hpp_sort_entry *
1613 __sort_dimension__alloc_hpp(struct sort_dimension *sd, int level)
1614 {
1615         struct hpp_sort_entry *hse;
1616
1617         hse = malloc(sizeof(*hse));
1618         if (hse == NULL) {
1619                 pr_err("Memory allocation failed\n");
1620                 return NULL;
1621         }
1622
1623         hse->se = sd->entry;
1624         hse->hpp.name = sd->entry->se_header;
1625         hse->hpp.header = __sort__hpp_header;
1626         hse->hpp.width = __sort__hpp_width;
1627         hse->hpp.entry = __sort__hpp_entry;
1628         hse->hpp.color = NULL;
1629
1630         hse->hpp.cmp = __sort__hpp_cmp;
1631         hse->hpp.collapse = __sort__hpp_collapse;
1632         hse->hpp.sort = __sort__hpp_sort;
1633         hse->hpp.equal = __sort__hpp_equal;
1634         hse->hpp.free = hse_free;
1635
1636         INIT_LIST_HEAD(&hse->hpp.list);
1637         INIT_LIST_HEAD(&hse->hpp.sort_list);
1638         hse->hpp.elide = false;
1639         hse->hpp.len = 0;
1640         hse->hpp.user_len = 0;
1641         hse->hpp.level = level;
1642
1643         return hse;
1644 }
1645
1646 static void hpp_free(struct perf_hpp_fmt *fmt)
1647 {
1648         free(fmt);
1649 }
1650
1651 static struct perf_hpp_fmt *__hpp_dimension__alloc_hpp(struct hpp_dimension *hd,
1652                                                        int level)
1653 {
1654         struct perf_hpp_fmt *fmt;
1655
1656         fmt = memdup(hd->fmt, sizeof(*fmt));
1657         if (fmt) {
1658                 INIT_LIST_HEAD(&fmt->list);
1659                 INIT_LIST_HEAD(&fmt->sort_list);
1660                 fmt->free = hpp_free;
1661                 fmt->level = level;
1662         }
1663
1664         return fmt;
1665 }
1666
1667 int hist_entry__filter(struct hist_entry *he, int type, const void *arg)
1668 {
1669         struct perf_hpp_fmt *fmt;
1670         struct hpp_sort_entry *hse;
1671         int ret = -1;
1672         int r;
1673
1674         perf_hpp_list__for_each_format(he->hpp_list, fmt) {
1675                 if (!perf_hpp__is_sort_entry(fmt))
1676                         continue;
1677
1678                 hse = container_of(fmt, struct hpp_sort_entry, hpp);
1679                 if (hse->se->se_filter == NULL)
1680                         continue;
1681
1682                 /*
1683                  * hist entry is filtered if any of sort key in the hpp list
1684                  * is applied.  But it should skip non-matched filter types.
1685                  */
1686                 r = hse->se->se_filter(he, type, arg);
1687                 if (r >= 0) {
1688                         if (ret < 0)
1689                                 ret = 0;
1690                         ret |= r;
1691                 }
1692         }
1693
1694         return ret;
1695 }
1696
1697 static int __sort_dimension__add_hpp_sort(struct sort_dimension *sd,
1698                                           struct perf_hpp_list *list,
1699                                           int level)
1700 {
1701         struct hpp_sort_entry *hse = __sort_dimension__alloc_hpp(sd, level);
1702
1703         if (hse == NULL)
1704                 return -1;
1705
1706         perf_hpp_list__register_sort_field(list, &hse->hpp);
1707         return 0;
1708 }
1709
1710 static int __sort_dimension__add_hpp_output(struct sort_dimension *sd,
1711                                             struct perf_hpp_list *list)
1712 {
1713         struct hpp_sort_entry *hse = __sort_dimension__alloc_hpp(sd, 0);
1714
1715         if (hse == NULL)
1716                 return -1;
1717
1718         perf_hpp_list__column_register(list, &hse->hpp);
1719         return 0;
1720 }
1721
1722 struct hpp_dynamic_entry {
1723         struct perf_hpp_fmt hpp;
1724         struct perf_evsel *evsel;
1725         struct format_field *field;
1726         unsigned dynamic_len;
1727         bool raw_trace;
1728 };
1729
1730 static int hde_width(struct hpp_dynamic_entry *hde)
1731 {
1732         if (!hde->hpp.len) {
1733                 int len = hde->dynamic_len;
1734                 int namelen = strlen(hde->field->name);
1735                 int fieldlen = hde->field->size;
1736
1737                 if (namelen > len)
1738                         len = namelen;
1739
1740                 if (!(hde->field->flags & FIELD_IS_STRING)) {
1741                         /* length for print hex numbers */
1742                         fieldlen = hde->field->size * 2 + 2;
1743                 }
1744                 if (fieldlen > len)
1745                         len = fieldlen;
1746
1747                 hde->hpp.len = len;
1748         }
1749         return hde->hpp.len;
1750 }
1751
1752 static void update_dynamic_len(struct hpp_dynamic_entry *hde,
1753                                struct hist_entry *he)
1754 {
1755         char *str, *pos;
1756         struct format_field *field = hde->field;
1757         size_t namelen;
1758         bool last = false;
1759
1760         if (hde->raw_trace)
1761                 return;
1762
1763         /* parse pretty print result and update max length */
1764         if (!he->trace_output)
1765                 he->trace_output = get_trace_output(he);
1766
1767         namelen = strlen(field->name);
1768         str = he->trace_output;
1769
1770         while (str) {
1771                 pos = strchr(str, ' ');
1772                 if (pos == NULL) {
1773                         last = true;
1774                         pos = str + strlen(str);
1775                 }
1776
1777                 if (!strncmp(str, field->name, namelen)) {
1778                         size_t len;
1779
1780                         str += namelen + 1;
1781                         len = pos - str;
1782
1783                         if (len > hde->dynamic_len)
1784                                 hde->dynamic_len = len;
1785                         break;
1786                 }
1787
1788                 if (last)
1789                         str = NULL;
1790                 else
1791                         str = pos + 1;
1792         }
1793 }
1794
1795 static int __sort__hde_header(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1796                               struct hists *hists __maybe_unused)
1797 {
1798         struct hpp_dynamic_entry *hde;
1799         size_t len = fmt->user_len;
1800
1801         hde = container_of(fmt, struct hpp_dynamic_entry, hpp);
1802
1803         if (!len)
1804                 len = hde_width(hde);
1805
1806         return scnprintf(hpp->buf, hpp->size, "%*.*s", len, len, hde->field->name);
1807 }
1808
1809 static int __sort__hde_width(struct perf_hpp_fmt *fmt,
1810                              struct perf_hpp *hpp __maybe_unused,
1811                              struct hists *hists __maybe_unused)
1812 {
1813         struct hpp_dynamic_entry *hde;
1814         size_t len = fmt->user_len;
1815
1816         hde = container_of(fmt, struct hpp_dynamic_entry, hpp);
1817
1818         if (!len)
1819                 len = hde_width(hde);
1820
1821         return len;
1822 }
1823
1824 bool perf_hpp__defined_dynamic_entry(struct perf_hpp_fmt *fmt, struct hists *hists)
1825 {
1826         struct hpp_dynamic_entry *hde;
1827
1828         hde = container_of(fmt, struct hpp_dynamic_entry, hpp);
1829
1830         return hists_to_evsel(hists) == hde->evsel;
1831 }
1832
1833 static int __sort__hde_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1834                              struct hist_entry *he)
1835 {
1836         struct hpp_dynamic_entry *hde;
1837         size_t len = fmt->user_len;
1838         char *str, *pos;
1839         struct format_field *field;
1840         size_t namelen;
1841         bool last = false;
1842         int ret;
1843
1844         hde = container_of(fmt, struct hpp_dynamic_entry, hpp);
1845
1846         if (!len)
1847                 len = hde_width(hde);
1848
1849         if (hde->raw_trace)
1850                 goto raw_field;
1851
1852         if (!he->trace_output)
1853                 he->trace_output = get_trace_output(he);
1854
1855         field = hde->field;
1856         namelen = strlen(field->name);
1857         str = he->trace_output;
1858
1859         while (str) {
1860                 pos = strchr(str, ' ');
1861                 if (pos == NULL) {
1862                         last = true;
1863                         pos = str + strlen(str);
1864                 }
1865
1866                 if (!strncmp(str, field->name, namelen)) {
1867                         str += namelen + 1;
1868                         str = strndup(str, pos - str);
1869
1870                         if (str == NULL)
1871                                 return scnprintf(hpp->buf, hpp->size,
1872                                                  "%*.*s", len, len, "ERROR");
1873                         break;
1874                 }
1875
1876                 if (last)
1877                         str = NULL;
1878                 else
1879                         str = pos + 1;
1880         }
1881
1882         if (str == NULL) {
1883                 struct trace_seq seq;
1884 raw_field:
1885                 trace_seq_init(&seq);
1886                 pevent_print_field(&seq, he->raw_data, hde->field);
1887                 str = seq.buffer;
1888         }
1889
1890         ret = scnprintf(hpp->buf, hpp->size, "%*.*s", len, len, str);
1891         free(str);
1892         return ret;
1893 }
1894
1895 static int64_t __sort__hde_cmp(struct perf_hpp_fmt *fmt,
1896                                struct hist_entry *a, struct hist_entry *b)
1897 {
1898         struct hpp_dynamic_entry *hde;
1899         struct format_field *field;
1900         unsigned offset, size;
1901
1902         hde = container_of(fmt, struct hpp_dynamic_entry, hpp);
1903
1904         if (b == NULL) {
1905                 update_dynamic_len(hde, a);
1906                 return 0;
1907         }
1908
1909         field = hde->field;
1910         if (field->flags & FIELD_IS_DYNAMIC) {
1911                 unsigned long long dyn;
1912
1913                 pevent_read_number_field(field, a->raw_data, &dyn);
1914                 offset = dyn & 0xffff;
1915                 size = (dyn >> 16) & 0xffff;
1916
1917                 /* record max width for output */
1918                 if (size > hde->dynamic_len)
1919                         hde->dynamic_len = size;
1920         } else {
1921                 offset = field->offset;
1922                 size = field->size;
1923         }
1924
1925         return memcmp(a->raw_data + offset, b->raw_data + offset, size);
1926 }
1927
1928 bool perf_hpp__is_dynamic_entry(struct perf_hpp_fmt *fmt)
1929 {
1930         return fmt->cmp == __sort__hde_cmp;
1931 }
1932
1933 static bool __sort__hde_equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b)
1934 {
1935         struct hpp_dynamic_entry *hde_a;
1936         struct hpp_dynamic_entry *hde_b;
1937
1938         if (!perf_hpp__is_dynamic_entry(a) || !perf_hpp__is_dynamic_entry(b))
1939                 return false;
1940
1941         hde_a = container_of(a, struct hpp_dynamic_entry, hpp);
1942         hde_b = container_of(b, struct hpp_dynamic_entry, hpp);
1943
1944         return hde_a->field == hde_b->field;
1945 }
1946
1947 static void hde_free(struct perf_hpp_fmt *fmt)
1948 {
1949         struct hpp_dynamic_entry *hde;
1950
1951         hde = container_of(fmt, struct hpp_dynamic_entry, hpp);
1952         free(hde);
1953 }
1954
1955 static struct hpp_dynamic_entry *
1956 __alloc_dynamic_entry(struct perf_evsel *evsel, struct format_field *field,
1957                       int level)
1958 {
1959         struct hpp_dynamic_entry *hde;
1960
1961         hde = malloc(sizeof(*hde));
1962         if (hde == NULL) {
1963                 pr_debug("Memory allocation failed\n");
1964                 return NULL;
1965         }
1966
1967         hde->evsel = evsel;
1968         hde->field = field;
1969         hde->dynamic_len = 0;
1970
1971         hde->hpp.name = field->name;
1972         hde->hpp.header = __sort__hde_header;
1973         hde->hpp.width  = __sort__hde_width;
1974         hde->hpp.entry  = __sort__hde_entry;
1975         hde->hpp.color  = NULL;
1976
1977         hde->hpp.cmp = __sort__hde_cmp;
1978         hde->hpp.collapse = __sort__hde_cmp;
1979         hde->hpp.sort = __sort__hde_cmp;
1980         hde->hpp.equal = __sort__hde_equal;
1981         hde->hpp.free = hde_free;
1982
1983         INIT_LIST_HEAD(&hde->hpp.list);
1984         INIT_LIST_HEAD(&hde->hpp.sort_list);
1985         hde->hpp.elide = false;
1986         hde->hpp.len = 0;
1987         hde->hpp.user_len = 0;
1988         hde->hpp.level = level;
1989
1990         return hde;
1991 }
1992
1993 struct perf_hpp_fmt *perf_hpp_fmt__dup(struct perf_hpp_fmt *fmt)
1994 {
1995         struct perf_hpp_fmt *new_fmt = NULL;
1996
1997         if (perf_hpp__is_sort_entry(fmt)) {
1998                 struct hpp_sort_entry *hse, *new_hse;
1999
2000                 hse = container_of(fmt, struct hpp_sort_entry, hpp);
2001                 new_hse = memdup(hse, sizeof(*hse));
2002                 if (new_hse)
2003                         new_fmt = &new_hse->hpp;
2004         } else if (perf_hpp__is_dynamic_entry(fmt)) {
2005                 struct hpp_dynamic_entry *hde, *new_hde;
2006
2007                 hde = container_of(fmt, struct hpp_dynamic_entry, hpp);
2008                 new_hde = memdup(hde, sizeof(*hde));
2009                 if (new_hde)
2010                         new_fmt = &new_hde->hpp;
2011         } else {
2012                 new_fmt = memdup(fmt, sizeof(*fmt));
2013         }
2014
2015         INIT_LIST_HEAD(&new_fmt->list);
2016         INIT_LIST_HEAD(&new_fmt->sort_list);
2017
2018         return new_fmt;
2019 }
2020
2021 static int parse_field_name(char *str, char **event, char **field, char **opt)
2022 {
2023         char *event_name, *field_name, *opt_name;
2024
2025         event_name = str;
2026         field_name = strchr(str, '.');
2027
2028         if (field_name) {
2029                 *field_name++ = '\0';
2030         } else {
2031                 event_name = NULL;
2032                 field_name = str;
2033         }
2034
2035         opt_name = strchr(field_name, '/');
2036         if (opt_name)
2037                 *opt_name++ = '\0';
2038
2039         *event = event_name;
2040         *field = field_name;
2041         *opt   = opt_name;
2042
2043         return 0;
2044 }
2045
2046 /* find match evsel using a given event name.  The event name can be:
2047  *   1. '%' + event index (e.g. '%1' for first event)
2048  *   2. full event name (e.g. sched:sched_switch)
2049  *   3. partial event name (should not contain ':')
2050  */
2051 static struct perf_evsel *find_evsel(struct perf_evlist *evlist, char *event_name)
2052 {
2053         struct perf_evsel *evsel = NULL;
2054         struct perf_evsel *pos;
2055         bool full_name;
2056
2057         /* case 1 */
2058         if (event_name[0] == '%') {
2059                 int nr = strtol(event_name+1, NULL, 0);
2060
2061                 if (nr > evlist->nr_entries)
2062                         return NULL;
2063
2064                 evsel = perf_evlist__first(evlist);
2065                 while (--nr > 0)
2066                         evsel = perf_evsel__next(evsel);
2067
2068                 return evsel;
2069         }
2070
2071         full_name = !!strchr(event_name, ':');
2072         evlist__for_each_entry(evlist, pos) {
2073                 /* case 2 */
2074                 if (full_name && !strcmp(pos->name, event_name))
2075                         return pos;
2076                 /* case 3 */
2077                 if (!full_name && strstr(pos->name, event_name)) {
2078                         if (evsel) {
2079                                 pr_debug("'%s' event is ambiguous: it can be %s or %s\n",
2080                                          event_name, evsel->name, pos->name);
2081                                 return NULL;
2082                         }
2083                         evsel = pos;
2084                 }
2085         }
2086
2087         return evsel;
2088 }
2089
2090 static int __dynamic_dimension__add(struct perf_evsel *evsel,
2091                                     struct format_field *field,
2092                                     bool raw_trace, int level)
2093 {
2094         struct hpp_dynamic_entry *hde;
2095
2096         hde = __alloc_dynamic_entry(evsel, field, level);
2097         if (hde == NULL)
2098                 return -ENOMEM;
2099
2100         hde->raw_trace = raw_trace;
2101
2102         perf_hpp__register_sort_field(&hde->hpp);
2103         return 0;
2104 }
2105
2106 static int add_evsel_fields(struct perf_evsel *evsel, bool raw_trace, int level)
2107 {
2108         int ret;
2109         struct format_field *field;
2110
2111         field = evsel->tp_format->format.fields;
2112         while (field) {
2113                 ret = __dynamic_dimension__add(evsel, field, raw_trace, level);
2114                 if (ret < 0)
2115                         return ret;
2116
2117                 field = field->next;
2118         }
2119         return 0;
2120 }
2121
2122 static int add_all_dynamic_fields(struct perf_evlist *evlist, bool raw_trace,
2123                                   int level)
2124 {
2125         int ret;
2126         struct perf_evsel *evsel;
2127
2128         evlist__for_each_entry(evlist, evsel) {
2129                 if (evsel->attr.type != PERF_TYPE_TRACEPOINT)
2130                         continue;
2131
2132                 ret = add_evsel_fields(evsel, raw_trace, level);
2133                 if (ret < 0)
2134                         return ret;
2135         }
2136         return 0;
2137 }
2138
2139 static int add_all_matching_fields(struct perf_evlist *evlist,
2140                                    char *field_name, bool raw_trace, int level)
2141 {
2142         int ret = -ESRCH;
2143         struct perf_evsel *evsel;
2144         struct format_field *field;
2145
2146         evlist__for_each_entry(evlist, evsel) {
2147                 if (evsel->attr.type != PERF_TYPE_TRACEPOINT)
2148                         continue;
2149
2150                 field = pevent_find_any_field(evsel->tp_format, field_name);
2151                 if (field == NULL)
2152                         continue;
2153
2154                 ret = __dynamic_dimension__add(evsel, field, raw_trace, level);
2155                 if (ret < 0)
2156                         break;
2157         }
2158         return ret;
2159 }
2160
2161 static int add_dynamic_entry(struct perf_evlist *evlist, const char *tok,
2162                              int level)
2163 {
2164         char *str, *event_name, *field_name, *opt_name;
2165         struct perf_evsel *evsel;
2166         struct format_field *field;
2167         bool raw_trace = symbol_conf.raw_trace;
2168         int ret = 0;
2169
2170         if (evlist == NULL)
2171                 return -ENOENT;
2172
2173         str = strdup(tok);
2174         if (str == NULL)
2175                 return -ENOMEM;
2176
2177         if (parse_field_name(str, &event_name, &field_name, &opt_name) < 0) {
2178                 ret = -EINVAL;
2179                 goto out;
2180         }
2181
2182         if (opt_name) {
2183                 if (strcmp(opt_name, "raw")) {
2184                         pr_debug("unsupported field option %s\n", opt_name);
2185                         ret = -EINVAL;
2186                         goto out;
2187                 }
2188                 raw_trace = true;
2189         }
2190
2191         if (!strcmp(field_name, "trace_fields")) {
2192                 ret = add_all_dynamic_fields(evlist, raw_trace, level);
2193                 goto out;
2194         }
2195
2196         if (event_name == NULL) {
2197                 ret = add_all_matching_fields(evlist, field_name, raw_trace, level);
2198                 goto out;
2199         }
2200
2201         evsel = find_evsel(evlist, event_name);
2202         if (evsel == NULL) {
2203                 pr_debug("Cannot find event: %s\n", event_name);
2204                 ret = -ENOENT;
2205                 goto out;
2206         }
2207
2208         if (evsel->attr.type != PERF_TYPE_TRACEPOINT) {
2209                 pr_debug("%s is not a tracepoint event\n", event_name);
2210                 ret = -EINVAL;
2211                 goto out;
2212         }
2213
2214         if (!strcmp(field_name, "*")) {
2215                 ret = add_evsel_fields(evsel, raw_trace, level);
2216         } else {
2217                 field = pevent_find_any_field(evsel->tp_format, field_name);
2218                 if (field == NULL) {
2219                         pr_debug("Cannot find event field for %s.%s\n",
2220                                  event_name, field_name);
2221                         return -ENOENT;
2222                 }
2223
2224                 ret = __dynamic_dimension__add(evsel, field, raw_trace, level);
2225         }
2226
2227 out:
2228         free(str);
2229         return ret;
2230 }
2231
2232 static int __sort_dimension__add(struct sort_dimension *sd,
2233                                  struct perf_hpp_list *list,
2234                                  int level)
2235 {
2236         if (sd->taken)
2237                 return 0;
2238
2239         if (__sort_dimension__add_hpp_sort(sd, list, level) < 0)
2240                 return -1;
2241
2242         if (sd->entry->se_collapse)
2243                 list->need_collapse = 1;
2244
2245         sd->taken = 1;
2246
2247         return 0;
2248 }
2249
2250 static int __hpp_dimension__add(struct hpp_dimension *hd,
2251                                 struct perf_hpp_list *list,
2252                                 int level)
2253 {
2254         struct perf_hpp_fmt *fmt;
2255
2256         if (hd->taken)
2257                 return 0;
2258
2259         fmt = __hpp_dimension__alloc_hpp(hd, level);
2260         if (!fmt)
2261                 return -1;
2262
2263         hd->taken = 1;
2264         perf_hpp_list__register_sort_field(list, fmt);
2265         return 0;
2266 }
2267
2268 static int __sort_dimension__add_output(struct perf_hpp_list *list,
2269                                         struct sort_dimension *sd)
2270 {
2271         if (sd->taken)
2272                 return 0;
2273
2274         if (__sort_dimension__add_hpp_output(sd, list) < 0)
2275                 return -1;
2276
2277         sd->taken = 1;
2278         return 0;
2279 }
2280
2281 static int __hpp_dimension__add_output(struct perf_hpp_list *list,
2282                                        struct hpp_dimension *hd)
2283 {
2284         struct perf_hpp_fmt *fmt;
2285
2286         if (hd->taken)
2287                 return 0;
2288
2289         fmt = __hpp_dimension__alloc_hpp(hd, 0);
2290         if (!fmt)
2291                 return -1;
2292
2293         hd->taken = 1;
2294         perf_hpp_list__column_register(list, fmt);
2295         return 0;
2296 }
2297
2298 int hpp_dimension__add_output(unsigned col)
2299 {
2300         BUG_ON(col >= PERF_HPP__MAX_INDEX);
2301         return __hpp_dimension__add_output(&perf_hpp_list, &hpp_sort_dimensions[col]);
2302 }
2303
2304 static int sort_dimension__add(struct perf_hpp_list *list, const char *tok,
2305                                struct perf_evlist *evlist,
2306                                int level)
2307 {
2308         unsigned int i;
2309
2310         for (i = 0; i < ARRAY_SIZE(common_sort_dimensions); i++) {
2311                 struct sort_dimension *sd = &common_sort_dimensions[i];
2312
2313                 if (strncasecmp(tok, sd->name, strlen(tok)))
2314                         continue;
2315
2316                 if (sd->entry == &sort_parent) {
2317                         int ret = regcomp(&parent_regex, parent_pattern, REG_EXTENDED);
2318                         if (ret) {
2319                                 char err[BUFSIZ];
2320
2321                                 regerror(ret, &parent_regex, err, sizeof(err));
2322                                 pr_err("Invalid regex: %s\n%s", parent_pattern, err);
2323                                 return -EINVAL;
2324                         }
2325                         list->parent = 1;
2326                 } else if (sd->entry == &sort_sym) {
2327                         list->sym = 1;
2328                         /*
2329                          * perf diff displays the performance difference amongst
2330                          * two or more perf.data files. Those files could come
2331                          * from different binaries. So we should not compare
2332                          * their ips, but the name of symbol.
2333                          */
2334                         if (sort__mode == SORT_MODE__DIFF)
2335                                 sd->entry->se_collapse = sort__sym_sort;
2336
2337                 } else if (sd->entry == &sort_dso) {
2338                         list->dso = 1;
2339                 } else if (sd->entry == &sort_socket) {
2340                         list->socket = 1;
2341                 } else if (sd->entry == &sort_thread) {
2342                         list->thread = 1;
2343                 } else if (sd->entry == &sort_comm) {
2344                         list->comm = 1;
2345                 }
2346
2347                 return __sort_dimension__add(sd, list, level);
2348         }
2349
2350         for (i = 0; i < ARRAY_SIZE(hpp_sort_dimensions); i++) {
2351                 struct hpp_dimension *hd = &hpp_sort_dimensions[i];
2352
2353                 if (strncasecmp(tok, hd->name, strlen(tok)))
2354                         continue;
2355
2356                 return __hpp_dimension__add(hd, list, level);
2357         }
2358
2359         for (i = 0; i < ARRAY_SIZE(bstack_sort_dimensions); i++) {
2360                 struct sort_dimension *sd = &bstack_sort_dimensions[i];
2361
2362                 if (strncasecmp(tok, sd->name, strlen(tok)))
2363                         continue;
2364
2365                 if (sort__mode != SORT_MODE__BRANCH)
2366                         return -EINVAL;
2367
2368                 if (sd->entry == &sort_sym_from || sd->entry == &sort_sym_to)
2369                         list->sym = 1;
2370
2371                 __sort_dimension__add(sd, list, level);
2372                 return 0;
2373         }
2374
2375         for (i = 0; i < ARRAY_SIZE(memory_sort_dimensions); i++) {
2376                 struct sort_dimension *sd = &memory_sort_dimensions[i];
2377
2378                 if (strncasecmp(tok, sd->name, strlen(tok)))
2379                         continue;
2380
2381                 if (sort__mode != SORT_MODE__MEMORY)
2382                         return -EINVAL;
2383
2384                 if (sd->entry == &sort_mem_dcacheline && cacheline_size == 0)
2385                         return -EINVAL;
2386
2387                 if (sd->entry == &sort_mem_daddr_sym)
2388                         list->sym = 1;
2389
2390                 __sort_dimension__add(sd, list, level);
2391                 return 0;
2392         }
2393
2394         if (!add_dynamic_entry(evlist, tok, level))
2395                 return 0;
2396
2397         return -ESRCH;
2398 }
2399
2400 static int setup_sort_list(struct perf_hpp_list *list, char *str,
2401                            struct perf_evlist *evlist)
2402 {
2403         char *tmp, *tok;
2404         int ret = 0;
2405         int level = 0;
2406         int next_level = 1;
2407         bool in_group = false;
2408
2409         do {
2410                 tok = str;
2411                 tmp = strpbrk(str, "{}, ");
2412                 if (tmp) {
2413                         if (in_group)
2414                                 next_level = level;
2415                         else
2416                                 next_level = level + 1;
2417
2418                         if (*tmp == '{')
2419                                 in_group = true;
2420                         else if (*tmp == '}')
2421                                 in_group = false;
2422
2423                         *tmp = '\0';
2424                         str = tmp + 1;
2425                 }
2426
2427                 if (*tok) {
2428                         ret = sort_dimension__add(list, tok, evlist, level);
2429                         if (ret == -EINVAL) {
2430                                 if (!cacheline_size && !strncasecmp(tok, "dcacheline", strlen(tok)))
2431                                         error("The \"dcacheline\" --sort key needs to know the cacheline size and it couldn't be determined on this system");
2432                                 else
2433                                         error("Invalid --sort key: `%s'", tok);
2434                                 break;
2435                         } else if (ret == -ESRCH) {
2436                                 error("Unknown --sort key: `%s'", tok);
2437                                 break;
2438                         }
2439                 }
2440
2441                 level = next_level;
2442         } while (tmp);
2443
2444         return ret;
2445 }
2446
2447 static const char *get_default_sort_order(struct perf_evlist *evlist)
2448 {
2449         const char *default_sort_orders[] = {
2450                 default_sort_order,
2451                 default_branch_sort_order,
2452                 default_mem_sort_order,
2453                 default_top_sort_order,
2454                 default_diff_sort_order,
2455                 default_tracepoint_sort_order,
2456         };
2457         bool use_trace = true;
2458         struct perf_evsel *evsel;
2459
2460         BUG_ON(sort__mode >= ARRAY_SIZE(default_sort_orders));
2461
2462         if (evlist == NULL)
2463                 goto out_no_evlist;
2464
2465         evlist__for_each_entry(evlist, evsel) {
2466                 if (evsel->attr.type != PERF_TYPE_TRACEPOINT) {
2467                         use_trace = false;
2468                         break;
2469                 }
2470         }
2471
2472         if (use_trace) {
2473                 sort__mode = SORT_MODE__TRACEPOINT;
2474                 if (symbol_conf.raw_trace)
2475                         return "trace_fields";
2476         }
2477 out_no_evlist:
2478         return default_sort_orders[sort__mode];
2479 }
2480
2481 static int setup_sort_order(struct perf_evlist *evlist)
2482 {
2483         char *new_sort_order;
2484
2485         /*
2486          * Append '+'-prefixed sort order to the default sort
2487          * order string.
2488          */
2489         if (!sort_order || is_strict_order(sort_order))
2490                 return 0;
2491
2492         if (sort_order[1] == '\0') {
2493                 error("Invalid --sort key: `+'");
2494                 return -EINVAL;
2495         }
2496
2497         /*
2498          * We allocate new sort_order string, but we never free it,
2499          * because it's checked over the rest of the code.
2500          */
2501         if (asprintf(&new_sort_order, "%s,%s",
2502                      get_default_sort_order(evlist), sort_order + 1) < 0) {
2503                 error("Not enough memory to set up --sort");
2504                 return -ENOMEM;
2505         }
2506
2507         sort_order = new_sort_order;
2508         return 0;
2509 }
2510
2511 /*
2512  * Adds 'pre,' prefix into 'str' is 'pre' is
2513  * not already part of 'str'.
2514  */
2515 static char *prefix_if_not_in(const char *pre, char *str)
2516 {
2517         char *n;
2518
2519         if (!str || strstr(str, pre))
2520                 return str;
2521
2522         if (asprintf(&n, "%s,%s", pre, str) < 0)
2523                 return NULL;
2524
2525         free(str);
2526         return n;
2527 }
2528
2529 static char *setup_overhead(char *keys)
2530 {
2531         if (sort__mode == SORT_MODE__DIFF)
2532                 return keys;
2533
2534         keys = prefix_if_not_in("overhead", keys);
2535
2536         if (symbol_conf.cumulate_callchain)
2537                 keys = prefix_if_not_in("overhead_children", keys);
2538
2539         return keys;
2540 }
2541
2542 static int __setup_sorting(struct perf_evlist *evlist)
2543 {
2544         char *str;
2545         const char *sort_keys;
2546         int ret = 0;
2547
2548         ret = setup_sort_order(evlist);
2549         if (ret)
2550                 return ret;
2551
2552         sort_keys = sort_order;
2553         if (sort_keys == NULL) {
2554                 if (is_strict_order(field_order)) {
2555                         /*
2556                          * If user specified field order but no sort order,
2557                          * we'll honor it and not add default sort orders.
2558                          */
2559                         return 0;
2560                 }
2561
2562                 sort_keys = get_default_sort_order(evlist);
2563         }
2564
2565         str = strdup(sort_keys);
2566         if (str == NULL) {
2567                 error("Not enough memory to setup sort keys");
2568                 return -ENOMEM;
2569         }
2570
2571         /*
2572          * Prepend overhead fields for backward compatibility.
2573          */
2574         if (!is_strict_order(field_order)) {
2575                 str = setup_overhead(str);
2576                 if (str == NULL) {
2577                         error("Not enough memory to setup overhead keys");
2578                         return -ENOMEM;
2579                 }
2580         }
2581
2582         ret = setup_sort_list(&perf_hpp_list, str, evlist);
2583
2584         free(str);
2585         return ret;
2586 }
2587
2588 void perf_hpp__set_elide(int idx, bool elide)
2589 {
2590         struct perf_hpp_fmt *fmt;
2591         struct hpp_sort_entry *hse;
2592
2593         perf_hpp_list__for_each_format(&perf_hpp_list, fmt) {
2594                 if (!perf_hpp__is_sort_entry(fmt))
2595                         continue;
2596
2597                 hse = container_of(fmt, struct hpp_sort_entry, hpp);
2598                 if (hse->se->se_width_idx == idx) {
2599                         fmt->elide = elide;
2600                         break;
2601                 }
2602         }
2603 }
2604
2605 static bool __get_elide(struct strlist *list, const char *list_name, FILE *fp)
2606 {
2607         if (list && strlist__nr_entries(list) == 1) {
2608                 if (fp != NULL)
2609                         fprintf(fp, "# %s: %s\n", list_name,
2610                                 strlist__entry(list, 0)->s);
2611                 return true;
2612         }
2613         return false;
2614 }
2615
2616 static bool get_elide(int idx, FILE *output)
2617 {
2618         switch (idx) {
2619         case HISTC_SYMBOL:
2620                 return __get_elide(symbol_conf.sym_list, "symbol", output);
2621         case HISTC_DSO:
2622                 return __get_elide(symbol_conf.dso_list, "dso", output);
2623         case HISTC_COMM:
2624                 return __get_elide(symbol_conf.comm_list, "comm", output);
2625         default:
2626                 break;
2627         }
2628
2629         if (sort__mode != SORT_MODE__BRANCH)
2630                 return false;
2631
2632         switch (idx) {
2633         case HISTC_SYMBOL_FROM:
2634                 return __get_elide(symbol_conf.sym_from_list, "sym_from", output);
2635         case HISTC_SYMBOL_TO:
2636                 return __get_elide(symbol_conf.sym_to_list, "sym_to", output);
2637         case HISTC_DSO_FROM:
2638                 return __get_elide(symbol_conf.dso_from_list, "dso_from", output);
2639         case HISTC_DSO_TO:
2640                 return __get_elide(symbol_conf.dso_to_list, "dso_to", output);
2641         default:
2642                 break;
2643         }
2644
2645         return false;
2646 }
2647
2648 void sort__setup_elide(FILE *output)
2649 {
2650         struct perf_hpp_fmt *fmt;
2651         struct hpp_sort_entry *hse;
2652
2653         perf_hpp_list__for_each_format(&perf_hpp_list, fmt) {
2654                 if (!perf_hpp__is_sort_entry(fmt))
2655                         continue;
2656
2657                 hse = container_of(fmt, struct hpp_sort_entry, hpp);
2658                 fmt->elide = get_elide(hse->se->se_width_idx, output);
2659         }
2660
2661         /*
2662          * It makes no sense to elide all of sort entries.
2663          * Just revert them to show up again.
2664          */
2665         perf_hpp_list__for_each_format(&perf_hpp_list, fmt) {
2666                 if (!perf_hpp__is_sort_entry(fmt))
2667                         continue;
2668
2669                 if (!fmt->elide)
2670                         return;
2671         }
2672
2673         perf_hpp_list__for_each_format(&perf_hpp_list, fmt) {
2674                 if (!perf_hpp__is_sort_entry(fmt))
2675                         continue;
2676
2677                 fmt->elide = false;
2678         }
2679 }
2680
2681 static int output_field_add(struct perf_hpp_list *list, char *tok)
2682 {
2683         unsigned int i;
2684
2685         for (i = 0; i < ARRAY_SIZE(common_sort_dimensions); i++) {
2686                 struct sort_dimension *sd = &common_sort_dimensions[i];
2687
2688                 if (strncasecmp(tok, sd->name, strlen(tok)))
2689                         continue;
2690
2691                 return __sort_dimension__add_output(list, sd);
2692         }
2693
2694         for (i = 0; i < ARRAY_SIZE(hpp_sort_dimensions); i++) {
2695                 struct hpp_dimension *hd = &hpp_sort_dimensions[i];
2696
2697                 if (strncasecmp(tok, hd->name, strlen(tok)))
2698                         continue;
2699
2700                 return __hpp_dimension__add_output(list, hd);
2701         }
2702
2703         for (i = 0; i < ARRAY_SIZE(bstack_sort_dimensions); i++) {
2704                 struct sort_dimension *sd = &bstack_sort_dimensions[i];
2705
2706                 if (strncasecmp(tok, sd->name, strlen(tok)))
2707                         continue;
2708
2709                 return __sort_dimension__add_output(list, sd);
2710         }
2711
2712         for (i = 0; i < ARRAY_SIZE(memory_sort_dimensions); i++) {
2713                 struct sort_dimension *sd = &memory_sort_dimensions[i];
2714
2715                 if (strncasecmp(tok, sd->name, strlen(tok)))
2716                         continue;
2717
2718                 return __sort_dimension__add_output(list, sd);
2719         }
2720
2721         return -ESRCH;
2722 }
2723
2724 static int setup_output_list(struct perf_hpp_list *list, char *str)
2725 {
2726         char *tmp, *tok;
2727         int ret = 0;
2728
2729         for (tok = strtok_r(str, ", ", &tmp);
2730                         tok; tok = strtok_r(NULL, ", ", &tmp)) {
2731                 ret = output_field_add(list, tok);
2732                 if (ret == -EINVAL) {
2733                         error("Invalid --fields key: `%s'", tok);
2734                         break;
2735                 } else if (ret == -ESRCH) {
2736                         error("Unknown --fields key: `%s'", tok);
2737                         break;
2738                 }
2739         }
2740
2741         return ret;
2742 }
2743
2744 static void reset_dimensions(void)
2745 {
2746         unsigned int i;
2747
2748         for (i = 0; i < ARRAY_SIZE(common_sort_dimensions); i++)
2749                 common_sort_dimensions[i].taken = 0;
2750
2751         for (i = 0; i < ARRAY_SIZE(hpp_sort_dimensions); i++)
2752                 hpp_sort_dimensions[i].taken = 0;
2753
2754         for (i = 0; i < ARRAY_SIZE(bstack_sort_dimensions); i++)
2755                 bstack_sort_dimensions[i].taken = 0;
2756
2757         for (i = 0; i < ARRAY_SIZE(memory_sort_dimensions); i++)
2758                 memory_sort_dimensions[i].taken = 0;
2759 }
2760
2761 bool is_strict_order(const char *order)
2762 {
2763         return order && (*order != '+');
2764 }
2765
2766 static int __setup_output_field(void)
2767 {
2768         char *str, *strp;
2769         int ret = -EINVAL;
2770
2771         if (field_order == NULL)
2772                 return 0;
2773
2774         strp = str = strdup(field_order);
2775         if (str == NULL) {
2776                 error("Not enough memory to setup output fields");
2777                 return -ENOMEM;
2778         }
2779
2780         if (!is_strict_order(field_order))
2781                 strp++;
2782
2783         if (!strlen(strp)) {
2784                 error("Invalid --fields key: `+'");
2785                 goto out;
2786         }
2787
2788         ret = setup_output_list(&perf_hpp_list, strp);
2789
2790 out:
2791         free(str);
2792         return ret;
2793 }
2794
2795 int setup_sorting(struct perf_evlist *evlist)
2796 {
2797         int err;
2798
2799         err = __setup_sorting(evlist);
2800         if (err < 0)
2801                 return err;
2802
2803         if (parent_pattern != default_parent_pattern) {
2804                 err = sort_dimension__add(&perf_hpp_list, "parent", evlist, -1);
2805                 if (err < 0)
2806                         return err;
2807         }
2808
2809         reset_dimensions();
2810
2811         /*
2812          * perf diff doesn't use default hpp output fields.
2813          */
2814         if (sort__mode != SORT_MODE__DIFF)
2815                 perf_hpp__init();
2816
2817         err = __setup_output_field();
2818         if (err < 0)
2819                 return err;
2820
2821         /* copy sort keys to output fields */
2822         perf_hpp__setup_output_field(&perf_hpp_list);
2823         /* and then copy output fields to sort keys */
2824         perf_hpp__append_sort_keys(&perf_hpp_list);
2825
2826         /* setup hists-specific output fields */
2827         if (perf_hpp__setup_hists_formats(&perf_hpp_list, evlist) < 0)
2828                 return -1;
2829
2830         return 0;
2831 }
2832
2833 void reset_output_field(void)
2834 {
2835         perf_hpp_list.need_collapse = 0;
2836         perf_hpp_list.parent = 0;
2837         perf_hpp_list.sym = 0;
2838         perf_hpp_list.dso = 0;
2839
2840         field_order = NULL;
2841         sort_order = NULL;
2842
2843         reset_dimensions();
2844         perf_hpp__reset_output_field(&perf_hpp_list);
2845 }