xref: /openbmc/linux/tools/perf/util/sort.c (revision 92a76f6d)
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 int		sort__need_collapse = 0;
25 int		sort__has_parent = 0;
26 int		sort__has_sym = 0;
27 int		sort__has_dso = 0;
28 int		sort__has_socket = 0;
29 int		sort__has_thread = 0;
30 int		sort__has_comm = 0;
31 enum sort_mode	sort__mode = SORT_MODE__NORMAL;
32 
33 /*
34  * Replaces all occurrences of a char used with the:
35  *
36  * -t, --field-separator
37  *
38  * option, that uses a special separator character and don't pad with spaces,
39  * replacing all occurances of this separator in symbol names (and other
40  * output) with a '.' character, that thus it's the only non valid separator.
41 */
42 static int repsep_snprintf(char *bf, size_t size, const char *fmt, ...)
43 {
44 	int n;
45 	va_list ap;
46 
47 	va_start(ap, fmt);
48 	n = vsnprintf(bf, size, fmt, ap);
49 	if (symbol_conf.field_sep && n > 0) {
50 		char *sep = bf;
51 
52 		while (1) {
53 			sep = strchr(sep, *symbol_conf.field_sep);
54 			if (sep == NULL)
55 				break;
56 			*sep = '.';
57 		}
58 	}
59 	va_end(ap);
60 
61 	if (n >= (int)size)
62 		return size - 1;
63 	return n;
64 }
65 
66 static int64_t cmp_null(const void *l, const void *r)
67 {
68 	if (!l && !r)
69 		return 0;
70 	else if (!l)
71 		return -1;
72 	else
73 		return 1;
74 }
75 
76 /* --sort pid */
77 
78 static int64_t
79 sort__thread_cmp(struct hist_entry *left, struct hist_entry *right)
80 {
81 	return right->thread->tid - left->thread->tid;
82 }
83 
84 static int hist_entry__thread_snprintf(struct hist_entry *he, char *bf,
85 				       size_t size, unsigned int width)
86 {
87 	const char *comm = thread__comm_str(he->thread);
88 
89 	width = max(7U, width) - 6;
90 	return repsep_snprintf(bf, size, "%5d:%-*.*s", he->thread->tid,
91 			       width, width, comm ?: "");
92 }
93 
94 static int hist_entry__thread_filter(struct hist_entry *he, int type, const void *arg)
95 {
96 	const struct thread *th = arg;
97 
98 	if (type != HIST_FILTER__THREAD)
99 		return -1;
100 
101 	return th && he->thread != th;
102 }
103 
104 struct sort_entry sort_thread = {
105 	.se_header	= "  Pid:Command",
106 	.se_cmp		= sort__thread_cmp,
107 	.se_snprintf	= hist_entry__thread_snprintf,
108 	.se_filter	= hist_entry__thread_filter,
109 	.se_width_idx	= HISTC_THREAD,
110 };
111 
112 /* --sort comm */
113 
114 static int64_t
115 sort__comm_cmp(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_collapse(struct hist_entry *left, struct hist_entry *right)
123 {
124 	/* Compare the addr that should be unique among comm */
125 	return strcmp(comm__str(right->comm), comm__str(left->comm));
126 }
127 
128 static int64_t
129 sort__comm_sort(struct hist_entry *left, struct hist_entry *right)
130 {
131 	return strcmp(comm__str(right->comm), comm__str(left->comm));
132 }
133 
134 static int hist_entry__comm_snprintf(struct hist_entry *he, char *bf,
135 				     size_t size, unsigned int width)
136 {
137 	return repsep_snprintf(bf, size, "%-*.*s", width, width, comm__str(he->comm));
138 }
139 
140 struct sort_entry sort_comm = {
141 	.se_header	= "Command",
142 	.se_cmp		= sort__comm_cmp,
143 	.se_collapse	= sort__comm_collapse,
144 	.se_sort	= sort__comm_sort,
145 	.se_snprintf	= hist_entry__comm_snprintf,
146 	.se_filter	= hist_entry__thread_filter,
147 	.se_width_idx	= HISTC_COMM,
148 };
149 
150 /* --sort dso */
151 
152 static int64_t _sort__dso_cmp(struct map *map_l, struct map *map_r)
153 {
154 	struct dso *dso_l = map_l ? map_l->dso : NULL;
155 	struct dso *dso_r = map_r ? map_r->dso : NULL;
156 	const char *dso_name_l, *dso_name_r;
157 
158 	if (!dso_l || !dso_r)
159 		return cmp_null(dso_r, dso_l);
160 
161 	if (verbose) {
162 		dso_name_l = dso_l->long_name;
163 		dso_name_r = dso_r->long_name;
164 	} else {
165 		dso_name_l = dso_l->short_name;
166 		dso_name_r = dso_r->short_name;
167 	}
168 
169 	return strcmp(dso_name_l, dso_name_r);
170 }
171 
172 static int64_t
173 sort__dso_cmp(struct hist_entry *left, struct hist_entry *right)
174 {
175 	return _sort__dso_cmp(right->ms.map, left->ms.map);
176 }
177 
178 static int _hist_entry__dso_snprintf(struct map *map, char *bf,
179 				     size_t size, unsigned int width)
180 {
181 	if (map && map->dso) {
182 		const char *dso_name = !verbose ? map->dso->short_name :
183 			map->dso->long_name;
184 		return repsep_snprintf(bf, size, "%-*.*s", width, width, dso_name);
185 	}
186 
187 	return repsep_snprintf(bf, size, "%-*.*s", width, width, "[unknown]");
188 }
189 
190 static int hist_entry__dso_snprintf(struct hist_entry *he, char *bf,
191 				    size_t size, unsigned int width)
192 {
193 	return _hist_entry__dso_snprintf(he->ms.map, bf, size, width);
194 }
195 
196 static int hist_entry__dso_filter(struct hist_entry *he, int type, const void *arg)
197 {
198 	const struct dso *dso = arg;
199 
200 	if (type != HIST_FILTER__DSO)
201 		return -1;
202 
203 	return dso && (!he->ms.map || he->ms.map->dso != dso);
204 }
205 
206 struct sort_entry sort_dso = {
207 	.se_header	= "Shared Object",
208 	.se_cmp		= sort__dso_cmp,
209 	.se_snprintf	= hist_entry__dso_snprintf,
210 	.se_filter	= hist_entry__dso_filter,
211 	.se_width_idx	= HISTC_DSO,
212 };
213 
214 /* --sort symbol */
215 
216 static int64_t _sort__addr_cmp(u64 left_ip, u64 right_ip)
217 {
218 	return (int64_t)(right_ip - left_ip);
219 }
220 
221 static int64_t _sort__sym_cmp(struct symbol *sym_l, struct symbol *sym_r)
222 {
223 	if (!sym_l || !sym_r)
224 		return cmp_null(sym_l, sym_r);
225 
226 	if (sym_l == sym_r)
227 		return 0;
228 
229 	if (sym_l->start != sym_r->start)
230 		return (int64_t)(sym_r->start - sym_l->start);
231 
232 	return (int64_t)(sym_r->end - sym_l->end);
233 }
234 
235 static int64_t
236 sort__sym_cmp(struct hist_entry *left, struct hist_entry *right)
237 {
238 	int64_t ret;
239 
240 	if (!left->ms.sym && !right->ms.sym)
241 		return _sort__addr_cmp(left->ip, right->ip);
242 
243 	/*
244 	 * comparing symbol address alone is not enough since it's a
245 	 * relative address within a dso.
246 	 */
247 	if (!sort__has_dso) {
248 		ret = sort__dso_cmp(left, right);
249 		if (ret != 0)
250 			return ret;
251 	}
252 
253 	return _sort__sym_cmp(left->ms.sym, right->ms.sym);
254 }
255 
256 static int64_t
257 sort__sym_sort(struct hist_entry *left, struct hist_entry *right)
258 {
259 	if (!left->ms.sym || !right->ms.sym)
260 		return cmp_null(left->ms.sym, right->ms.sym);
261 
262 	return strcmp(right->ms.sym->name, left->ms.sym->name);
263 }
264 
265 static int _hist_entry__sym_snprintf(struct map *map, struct symbol *sym,
266 				     u64 ip, char level, char *bf, size_t size,
267 				     unsigned int width)
268 {
269 	size_t ret = 0;
270 
271 	if (verbose) {
272 		char o = map ? dso__symtab_origin(map->dso) : '!';
273 		ret += repsep_snprintf(bf, size, "%-#*llx %c ",
274 				       BITS_PER_LONG / 4 + 2, ip, o);
275 	}
276 
277 	ret += repsep_snprintf(bf + ret, size - ret, "[%c] ", level);
278 	if (sym && map) {
279 		if (map->type == MAP__VARIABLE) {
280 			ret += repsep_snprintf(bf + ret, size - ret, "%s", sym->name);
281 			ret += repsep_snprintf(bf + ret, size - ret, "+0x%llx",
282 					ip - map->unmap_ip(map, sym->start));
283 		} else {
284 			ret += repsep_snprintf(bf + ret, size - ret, "%.*s",
285 					       width - ret,
286 					       sym->name);
287 		}
288 	} else {
289 		size_t len = BITS_PER_LONG / 4;
290 		ret += repsep_snprintf(bf + ret, size - ret, "%-#.*llx",
291 				       len, ip);
292 	}
293 
294 	return ret;
295 }
296 
297 static int hist_entry__sym_snprintf(struct hist_entry *he, char *bf,
298 				    size_t size, unsigned int width)
299 {
300 	return _hist_entry__sym_snprintf(he->ms.map, he->ms.sym, he->ip,
301 					 he->level, bf, size, width);
302 }
303 
304 static int hist_entry__sym_filter(struct hist_entry *he, int type, const void *arg)
305 {
306 	const char *sym = arg;
307 
308 	if (type != HIST_FILTER__SYMBOL)
309 		return -1;
310 
311 	return sym && (!he->ms.sym || !strstr(he->ms.sym->name, sym));
312 }
313 
314 struct sort_entry sort_sym = {
315 	.se_header	= "Symbol",
316 	.se_cmp		= sort__sym_cmp,
317 	.se_sort	= sort__sym_sort,
318 	.se_snprintf	= hist_entry__sym_snprintf,
319 	.se_filter	= hist_entry__sym_filter,
320 	.se_width_idx	= HISTC_SYMBOL,
321 };
322 
323 /* --sort srcline */
324 
325 static char *hist_entry__get_srcline(struct hist_entry *he)
326 {
327 	struct map *map = he->ms.map;
328 
329 	if (!map)
330 		return SRCLINE_UNKNOWN;
331 
332 	return get_srcline(map->dso, map__rip_2objdump(map, he->ip),
333 			   he->ms.sym, true);
334 }
335 
336 static int64_t
337 sort__srcline_cmp(struct hist_entry *left, struct hist_entry *right)
338 {
339 	if (!left->srcline)
340 		left->srcline = hist_entry__get_srcline(left);
341 	if (!right->srcline)
342 		right->srcline = hist_entry__get_srcline(right);
343 
344 	return strcmp(right->srcline, left->srcline);
345 }
346 
347 static int hist_entry__srcline_snprintf(struct hist_entry *he, char *bf,
348 					size_t size, unsigned int width)
349 {
350 	if (!he->srcline)
351 		he->srcline = hist_entry__get_srcline(he);
352 
353 	return repsep_snprintf(bf, size, "%-.*s", width, he->srcline);
354 }
355 
356 struct sort_entry sort_srcline = {
357 	.se_header	= "Source:Line",
358 	.se_cmp		= sort__srcline_cmp,
359 	.se_snprintf	= hist_entry__srcline_snprintf,
360 	.se_width_idx	= HISTC_SRCLINE,
361 };
362 
363 /* --sort srcfile */
364 
365 static char no_srcfile[1];
366 
367 static char *hist_entry__get_srcfile(struct hist_entry *e)
368 {
369 	char *sf, *p;
370 	struct map *map = e->ms.map;
371 
372 	if (!map)
373 		return no_srcfile;
374 
375 	sf = __get_srcline(map->dso, map__rip_2objdump(map, e->ip),
376 			 e->ms.sym, false, true);
377 	if (!strcmp(sf, SRCLINE_UNKNOWN))
378 		return no_srcfile;
379 	p = strchr(sf, ':');
380 	if (p && *sf) {
381 		*p = 0;
382 		return sf;
383 	}
384 	free(sf);
385 	return no_srcfile;
386 }
387 
388 static int64_t
389 sort__srcfile_cmp(struct hist_entry *left, struct hist_entry *right)
390 {
391 	if (!left->srcfile)
392 		left->srcfile = hist_entry__get_srcfile(left);
393 	if (!right->srcfile)
394 		right->srcfile = hist_entry__get_srcfile(right);
395 
396 	return strcmp(right->srcfile, left->srcfile);
397 }
398 
399 static int hist_entry__srcfile_snprintf(struct hist_entry *he, char *bf,
400 					size_t size, unsigned int width)
401 {
402 	if (!he->srcfile)
403 		he->srcfile = hist_entry__get_srcfile(he);
404 
405 	return repsep_snprintf(bf, size, "%-.*s", width, he->srcfile);
406 }
407 
408 struct sort_entry sort_srcfile = {
409 	.se_header	= "Source File",
410 	.se_cmp		= sort__srcfile_cmp,
411 	.se_snprintf	= hist_entry__srcfile_snprintf,
412 	.se_width_idx	= HISTC_SRCFILE,
413 };
414 
415 /* --sort parent */
416 
417 static int64_t
418 sort__parent_cmp(struct hist_entry *left, struct hist_entry *right)
419 {
420 	struct symbol *sym_l = left->parent;
421 	struct symbol *sym_r = right->parent;
422 
423 	if (!sym_l || !sym_r)
424 		return cmp_null(sym_l, sym_r);
425 
426 	return strcmp(sym_r->name, sym_l->name);
427 }
428 
429 static int hist_entry__parent_snprintf(struct hist_entry *he, char *bf,
430 				       size_t size, unsigned int width)
431 {
432 	return repsep_snprintf(bf, size, "%-*.*s", width, width,
433 			      he->parent ? he->parent->name : "[other]");
434 }
435 
436 struct sort_entry sort_parent = {
437 	.se_header	= "Parent symbol",
438 	.se_cmp		= sort__parent_cmp,
439 	.se_snprintf	= hist_entry__parent_snprintf,
440 	.se_width_idx	= HISTC_PARENT,
441 };
442 
443 /* --sort cpu */
444 
445 static int64_t
446 sort__cpu_cmp(struct hist_entry *left, struct hist_entry *right)
447 {
448 	return right->cpu - left->cpu;
449 }
450 
451 static int hist_entry__cpu_snprintf(struct hist_entry *he, char *bf,
452 				    size_t size, unsigned int width)
453 {
454 	return repsep_snprintf(bf, size, "%*.*d", width, width, he->cpu);
455 }
456 
457 struct sort_entry sort_cpu = {
458 	.se_header      = "CPU",
459 	.se_cmp	        = sort__cpu_cmp,
460 	.se_snprintf    = hist_entry__cpu_snprintf,
461 	.se_width_idx	= HISTC_CPU,
462 };
463 
464 /* --sort socket */
465 
466 static int64_t
467 sort__socket_cmp(struct hist_entry *left, struct hist_entry *right)
468 {
469 	return right->socket - left->socket;
470 }
471 
472 static int hist_entry__socket_snprintf(struct hist_entry *he, char *bf,
473 				    size_t size, unsigned int width)
474 {
475 	return repsep_snprintf(bf, size, "%*.*d", width, width-3, he->socket);
476 }
477 
478 static int hist_entry__socket_filter(struct hist_entry *he, int type, const void *arg)
479 {
480 	int sk = *(const int *)arg;
481 
482 	if (type != HIST_FILTER__SOCKET)
483 		return -1;
484 
485 	return sk >= 0 && he->socket != sk;
486 }
487 
488 struct sort_entry sort_socket = {
489 	.se_header      = "Socket",
490 	.se_cmp	        = sort__socket_cmp,
491 	.se_snprintf    = hist_entry__socket_snprintf,
492 	.se_filter      = hist_entry__socket_filter,
493 	.se_width_idx	= HISTC_SOCKET,
494 };
495 
496 /* --sort trace */
497 
498 static char *get_trace_output(struct hist_entry *he)
499 {
500 	struct trace_seq seq;
501 	struct perf_evsel *evsel;
502 	struct pevent_record rec = {
503 		.data = he->raw_data,
504 		.size = he->raw_size,
505 	};
506 
507 	evsel = hists_to_evsel(he->hists);
508 
509 	trace_seq_init(&seq);
510 	if (symbol_conf.raw_trace) {
511 		pevent_print_fields(&seq, he->raw_data, he->raw_size,
512 				    evsel->tp_format);
513 	} else {
514 		pevent_event_info(&seq, evsel->tp_format, &rec);
515 	}
516 	return seq.buffer;
517 }
518 
519 static int64_t
520 sort__trace_cmp(struct hist_entry *left, struct hist_entry *right)
521 {
522 	struct perf_evsel *evsel;
523 
524 	evsel = hists_to_evsel(left->hists);
525 	if (evsel->attr.type != PERF_TYPE_TRACEPOINT)
526 		return 0;
527 
528 	if (left->trace_output == NULL)
529 		left->trace_output = get_trace_output(left);
530 	if (right->trace_output == NULL)
531 		right->trace_output = get_trace_output(right);
532 
533 	return strcmp(right->trace_output, left->trace_output);
534 }
535 
536 static int hist_entry__trace_snprintf(struct hist_entry *he, char *bf,
537 				    size_t size, unsigned int width)
538 {
539 	struct perf_evsel *evsel;
540 
541 	evsel = hists_to_evsel(he->hists);
542 	if (evsel->attr.type != PERF_TYPE_TRACEPOINT)
543 		return scnprintf(bf, size, "%-.*s", width, "N/A");
544 
545 	if (he->trace_output == NULL)
546 		he->trace_output = get_trace_output(he);
547 	return repsep_snprintf(bf, size, "%-.*s", width, he->trace_output);
548 }
549 
550 struct sort_entry sort_trace = {
551 	.se_header      = "Trace output",
552 	.se_cmp	        = sort__trace_cmp,
553 	.se_snprintf    = hist_entry__trace_snprintf,
554 	.se_width_idx	= HISTC_TRACE,
555 };
556 
557 /* sort keys for branch stacks */
558 
559 static int64_t
560 sort__dso_from_cmp(struct hist_entry *left, struct hist_entry *right)
561 {
562 	if (!left->branch_info || !right->branch_info)
563 		return cmp_null(left->branch_info, right->branch_info);
564 
565 	return _sort__dso_cmp(left->branch_info->from.map,
566 			      right->branch_info->from.map);
567 }
568 
569 static int hist_entry__dso_from_snprintf(struct hist_entry *he, char *bf,
570 				    size_t size, unsigned int width)
571 {
572 	if (he->branch_info)
573 		return _hist_entry__dso_snprintf(he->branch_info->from.map,
574 						 bf, size, width);
575 	else
576 		return repsep_snprintf(bf, size, "%-*.*s", width, width, "N/A");
577 }
578 
579 static int hist_entry__dso_from_filter(struct hist_entry *he, int type,
580 				       const void *arg)
581 {
582 	const struct dso *dso = arg;
583 
584 	if (type != HIST_FILTER__DSO)
585 		return -1;
586 
587 	return dso && (!he->branch_info || !he->branch_info->from.map ||
588 		       he->branch_info->from.map->dso != dso);
589 }
590 
591 static int64_t
592 sort__dso_to_cmp(struct hist_entry *left, struct hist_entry *right)
593 {
594 	if (!left->branch_info || !right->branch_info)
595 		return cmp_null(left->branch_info, right->branch_info);
596 
597 	return _sort__dso_cmp(left->branch_info->to.map,
598 			      right->branch_info->to.map);
599 }
600 
601 static int hist_entry__dso_to_snprintf(struct hist_entry *he, char *bf,
602 				       size_t size, unsigned int width)
603 {
604 	if (he->branch_info)
605 		return _hist_entry__dso_snprintf(he->branch_info->to.map,
606 						 bf, size, width);
607 	else
608 		return repsep_snprintf(bf, size, "%-*.*s", width, width, "N/A");
609 }
610 
611 static int hist_entry__dso_to_filter(struct hist_entry *he, int type,
612 				     const void *arg)
613 {
614 	const struct dso *dso = arg;
615 
616 	if (type != HIST_FILTER__DSO)
617 		return -1;
618 
619 	return dso && (!he->branch_info || !he->branch_info->to.map ||
620 		       he->branch_info->to.map->dso != dso);
621 }
622 
623 static int64_t
624 sort__sym_from_cmp(struct hist_entry *left, struct hist_entry *right)
625 {
626 	struct addr_map_symbol *from_l = &left->branch_info->from;
627 	struct addr_map_symbol *from_r = &right->branch_info->from;
628 
629 	if (!left->branch_info || !right->branch_info)
630 		return cmp_null(left->branch_info, right->branch_info);
631 
632 	from_l = &left->branch_info->from;
633 	from_r = &right->branch_info->from;
634 
635 	if (!from_l->sym && !from_r->sym)
636 		return _sort__addr_cmp(from_l->addr, from_r->addr);
637 
638 	return _sort__sym_cmp(from_l->sym, from_r->sym);
639 }
640 
641 static int64_t
642 sort__sym_to_cmp(struct hist_entry *left, struct hist_entry *right)
643 {
644 	struct addr_map_symbol *to_l, *to_r;
645 
646 	if (!left->branch_info || !right->branch_info)
647 		return cmp_null(left->branch_info, right->branch_info);
648 
649 	to_l = &left->branch_info->to;
650 	to_r = &right->branch_info->to;
651 
652 	if (!to_l->sym && !to_r->sym)
653 		return _sort__addr_cmp(to_l->addr, to_r->addr);
654 
655 	return _sort__sym_cmp(to_l->sym, to_r->sym);
656 }
657 
658 static int hist_entry__sym_from_snprintf(struct hist_entry *he, char *bf,
659 					 size_t size, unsigned int width)
660 {
661 	if (he->branch_info) {
662 		struct addr_map_symbol *from = &he->branch_info->from;
663 
664 		return _hist_entry__sym_snprintf(from->map, from->sym, from->addr,
665 						 he->level, bf, size, width);
666 	}
667 
668 	return repsep_snprintf(bf, size, "%-*.*s", width, width, "N/A");
669 }
670 
671 static int hist_entry__sym_to_snprintf(struct hist_entry *he, char *bf,
672 				       size_t size, unsigned int width)
673 {
674 	if (he->branch_info) {
675 		struct addr_map_symbol *to = &he->branch_info->to;
676 
677 		return _hist_entry__sym_snprintf(to->map, to->sym, to->addr,
678 						 he->level, bf, size, width);
679 	}
680 
681 	return repsep_snprintf(bf, size, "%-*.*s", width, width, "N/A");
682 }
683 
684 static int hist_entry__sym_from_filter(struct hist_entry *he, int type,
685 				       const void *arg)
686 {
687 	const char *sym = arg;
688 
689 	if (type != HIST_FILTER__SYMBOL)
690 		return -1;
691 
692 	return sym && !(he->branch_info && he->branch_info->from.sym &&
693 			strstr(he->branch_info->from.sym->name, sym));
694 }
695 
696 static int hist_entry__sym_to_filter(struct hist_entry *he, int type,
697 				       const void *arg)
698 {
699 	const char *sym = arg;
700 
701 	if (type != HIST_FILTER__SYMBOL)
702 		return -1;
703 
704 	return sym && !(he->branch_info && he->branch_info->to.sym &&
705 		        strstr(he->branch_info->to.sym->name, sym));
706 }
707 
708 struct sort_entry sort_dso_from = {
709 	.se_header	= "Source Shared Object",
710 	.se_cmp		= sort__dso_from_cmp,
711 	.se_snprintf	= hist_entry__dso_from_snprintf,
712 	.se_filter	= hist_entry__dso_from_filter,
713 	.se_width_idx	= HISTC_DSO_FROM,
714 };
715 
716 struct sort_entry sort_dso_to = {
717 	.se_header	= "Target Shared Object",
718 	.se_cmp		= sort__dso_to_cmp,
719 	.se_snprintf	= hist_entry__dso_to_snprintf,
720 	.se_filter	= hist_entry__dso_to_filter,
721 	.se_width_idx	= HISTC_DSO_TO,
722 };
723 
724 struct sort_entry sort_sym_from = {
725 	.se_header	= "Source Symbol",
726 	.se_cmp		= sort__sym_from_cmp,
727 	.se_snprintf	= hist_entry__sym_from_snprintf,
728 	.se_filter	= hist_entry__sym_from_filter,
729 	.se_width_idx	= HISTC_SYMBOL_FROM,
730 };
731 
732 struct sort_entry sort_sym_to = {
733 	.se_header	= "Target Symbol",
734 	.se_cmp		= sort__sym_to_cmp,
735 	.se_snprintf	= hist_entry__sym_to_snprintf,
736 	.se_filter	= hist_entry__sym_to_filter,
737 	.se_width_idx	= HISTC_SYMBOL_TO,
738 };
739 
740 static int64_t
741 sort__mispredict_cmp(struct hist_entry *left, struct hist_entry *right)
742 {
743 	unsigned char mp, p;
744 
745 	if (!left->branch_info || !right->branch_info)
746 		return cmp_null(left->branch_info, right->branch_info);
747 
748 	mp = left->branch_info->flags.mispred != right->branch_info->flags.mispred;
749 	p  = left->branch_info->flags.predicted != right->branch_info->flags.predicted;
750 	return mp || p;
751 }
752 
753 static int hist_entry__mispredict_snprintf(struct hist_entry *he, char *bf,
754 				    size_t size, unsigned int width){
755 	static const char *out = "N/A";
756 
757 	if (he->branch_info) {
758 		if (he->branch_info->flags.predicted)
759 			out = "N";
760 		else if (he->branch_info->flags.mispred)
761 			out = "Y";
762 	}
763 
764 	return repsep_snprintf(bf, size, "%-*.*s", width, width, out);
765 }
766 
767 static int64_t
768 sort__cycles_cmp(struct hist_entry *left, struct hist_entry *right)
769 {
770 	return left->branch_info->flags.cycles -
771 		right->branch_info->flags.cycles;
772 }
773 
774 static int hist_entry__cycles_snprintf(struct hist_entry *he, char *bf,
775 				    size_t size, unsigned int width)
776 {
777 	if (he->branch_info->flags.cycles == 0)
778 		return repsep_snprintf(bf, size, "%-*s", width, "-");
779 	return repsep_snprintf(bf, size, "%-*hd", width,
780 			       he->branch_info->flags.cycles);
781 }
782 
783 struct sort_entry sort_cycles = {
784 	.se_header	= "Basic Block Cycles",
785 	.se_cmp		= sort__cycles_cmp,
786 	.se_snprintf	= hist_entry__cycles_snprintf,
787 	.se_width_idx	= HISTC_CYCLES,
788 };
789 
790 /* --sort daddr_sym */
791 static int64_t
792 sort__daddr_cmp(struct hist_entry *left, struct hist_entry *right)
793 {
794 	uint64_t l = 0, r = 0;
795 
796 	if (left->mem_info)
797 		l = left->mem_info->daddr.addr;
798 	if (right->mem_info)
799 		r = right->mem_info->daddr.addr;
800 
801 	return (int64_t)(r - l);
802 }
803 
804 static int hist_entry__daddr_snprintf(struct hist_entry *he, char *bf,
805 				    size_t size, unsigned int width)
806 {
807 	uint64_t addr = 0;
808 	struct map *map = NULL;
809 	struct symbol *sym = NULL;
810 
811 	if (he->mem_info) {
812 		addr = he->mem_info->daddr.addr;
813 		map = he->mem_info->daddr.map;
814 		sym = he->mem_info->daddr.sym;
815 	}
816 	return _hist_entry__sym_snprintf(map, sym, addr, he->level, bf, size,
817 					 width);
818 }
819 
820 static int64_t
821 sort__iaddr_cmp(struct hist_entry *left, struct hist_entry *right)
822 {
823 	uint64_t l = 0, r = 0;
824 
825 	if (left->mem_info)
826 		l = left->mem_info->iaddr.addr;
827 	if (right->mem_info)
828 		r = right->mem_info->iaddr.addr;
829 
830 	return (int64_t)(r - l);
831 }
832 
833 static int hist_entry__iaddr_snprintf(struct hist_entry *he, char *bf,
834 				    size_t size, unsigned int width)
835 {
836 	uint64_t addr = 0;
837 	struct map *map = NULL;
838 	struct symbol *sym = NULL;
839 
840 	if (he->mem_info) {
841 		addr = he->mem_info->iaddr.addr;
842 		map  = he->mem_info->iaddr.map;
843 		sym  = he->mem_info->iaddr.sym;
844 	}
845 	return _hist_entry__sym_snprintf(map, sym, addr, he->level, bf, size,
846 					 width);
847 }
848 
849 static int64_t
850 sort__dso_daddr_cmp(struct hist_entry *left, struct hist_entry *right)
851 {
852 	struct map *map_l = NULL;
853 	struct map *map_r = NULL;
854 
855 	if (left->mem_info)
856 		map_l = left->mem_info->daddr.map;
857 	if (right->mem_info)
858 		map_r = right->mem_info->daddr.map;
859 
860 	return _sort__dso_cmp(map_l, map_r);
861 }
862 
863 static int hist_entry__dso_daddr_snprintf(struct hist_entry *he, char *bf,
864 				    size_t size, unsigned int width)
865 {
866 	struct map *map = NULL;
867 
868 	if (he->mem_info)
869 		map = he->mem_info->daddr.map;
870 
871 	return _hist_entry__dso_snprintf(map, bf, size, width);
872 }
873 
874 static int64_t
875 sort__locked_cmp(struct hist_entry *left, struct hist_entry *right)
876 {
877 	union perf_mem_data_src data_src_l;
878 	union perf_mem_data_src data_src_r;
879 
880 	if (left->mem_info)
881 		data_src_l = left->mem_info->data_src;
882 	else
883 		data_src_l.mem_lock = PERF_MEM_LOCK_NA;
884 
885 	if (right->mem_info)
886 		data_src_r = right->mem_info->data_src;
887 	else
888 		data_src_r.mem_lock = PERF_MEM_LOCK_NA;
889 
890 	return (int64_t)(data_src_r.mem_lock - data_src_l.mem_lock);
891 }
892 
893 static int hist_entry__locked_snprintf(struct hist_entry *he, char *bf,
894 				    size_t size, unsigned int width)
895 {
896 	char out[10];
897 
898 	perf_mem__lck_scnprintf(out, sizeof(out), he->mem_info);
899 	return repsep_snprintf(bf, size, "%.*s", width, out);
900 }
901 
902 static int64_t
903 sort__tlb_cmp(struct hist_entry *left, struct hist_entry *right)
904 {
905 	union perf_mem_data_src data_src_l;
906 	union perf_mem_data_src data_src_r;
907 
908 	if (left->mem_info)
909 		data_src_l = left->mem_info->data_src;
910 	else
911 		data_src_l.mem_dtlb = PERF_MEM_TLB_NA;
912 
913 	if (right->mem_info)
914 		data_src_r = right->mem_info->data_src;
915 	else
916 		data_src_r.mem_dtlb = PERF_MEM_TLB_NA;
917 
918 	return (int64_t)(data_src_r.mem_dtlb - data_src_l.mem_dtlb);
919 }
920 
921 static int hist_entry__tlb_snprintf(struct hist_entry *he, char *bf,
922 				    size_t size, unsigned int width)
923 {
924 	char out[64];
925 
926 	perf_mem__tlb_scnprintf(out, sizeof(out), he->mem_info);
927 	return repsep_snprintf(bf, size, "%-*s", width, out);
928 }
929 
930 static int64_t
931 sort__lvl_cmp(struct hist_entry *left, struct hist_entry *right)
932 {
933 	union perf_mem_data_src data_src_l;
934 	union perf_mem_data_src data_src_r;
935 
936 	if (left->mem_info)
937 		data_src_l = left->mem_info->data_src;
938 	else
939 		data_src_l.mem_lvl = PERF_MEM_LVL_NA;
940 
941 	if (right->mem_info)
942 		data_src_r = right->mem_info->data_src;
943 	else
944 		data_src_r.mem_lvl = PERF_MEM_LVL_NA;
945 
946 	return (int64_t)(data_src_r.mem_lvl - data_src_l.mem_lvl);
947 }
948 
949 static int hist_entry__lvl_snprintf(struct hist_entry *he, char *bf,
950 				    size_t size, unsigned int width)
951 {
952 	char out[64];
953 
954 	perf_mem__lvl_scnprintf(out, sizeof(out), he->mem_info);
955 	return repsep_snprintf(bf, size, "%-*s", width, out);
956 }
957 
958 static int64_t
959 sort__snoop_cmp(struct hist_entry *left, struct hist_entry *right)
960 {
961 	union perf_mem_data_src data_src_l;
962 	union perf_mem_data_src data_src_r;
963 
964 	if (left->mem_info)
965 		data_src_l = left->mem_info->data_src;
966 	else
967 		data_src_l.mem_snoop = PERF_MEM_SNOOP_NA;
968 
969 	if (right->mem_info)
970 		data_src_r = right->mem_info->data_src;
971 	else
972 		data_src_r.mem_snoop = PERF_MEM_SNOOP_NA;
973 
974 	return (int64_t)(data_src_r.mem_snoop - data_src_l.mem_snoop);
975 }
976 
977 static int hist_entry__snoop_snprintf(struct hist_entry *he, char *bf,
978 				    size_t size, unsigned int width)
979 {
980 	char out[64];
981 
982 	perf_mem__snp_scnprintf(out, sizeof(out), he->mem_info);
983 	return repsep_snprintf(bf, size, "%-*s", width, out);
984 }
985 
986 static int64_t
987 sort__dcacheline_cmp(struct hist_entry *left, struct hist_entry *right)
988 {
989 	u64 l, r;
990 	struct map *l_map, *r_map;
991 
992 	if (!left->mem_info)  return -1;
993 	if (!right->mem_info) return 1;
994 
995 	/* group event types together */
996 	if (left->cpumode > right->cpumode) return -1;
997 	if (left->cpumode < right->cpumode) return 1;
998 
999 	l_map = left->mem_info->daddr.map;
1000 	r_map = right->mem_info->daddr.map;
1001 
1002 	/* if both are NULL, jump to sort on al_addr instead */
1003 	if (!l_map && !r_map)
1004 		goto addr;
1005 
1006 	if (!l_map) return -1;
1007 	if (!r_map) return 1;
1008 
1009 	if (l_map->maj > r_map->maj) return -1;
1010 	if (l_map->maj < r_map->maj) return 1;
1011 
1012 	if (l_map->min > r_map->min) return -1;
1013 	if (l_map->min < r_map->min) return 1;
1014 
1015 	if (l_map->ino > r_map->ino) return -1;
1016 	if (l_map->ino < r_map->ino) return 1;
1017 
1018 	if (l_map->ino_generation > r_map->ino_generation) return -1;
1019 	if (l_map->ino_generation < r_map->ino_generation) return 1;
1020 
1021 	/*
1022 	 * Addresses with no major/minor numbers are assumed to be
1023 	 * anonymous in userspace.  Sort those on pid then address.
1024 	 *
1025 	 * The kernel and non-zero major/minor mapped areas are
1026 	 * assumed to be unity mapped.  Sort those on address.
1027 	 */
1028 
1029 	if ((left->cpumode != PERF_RECORD_MISC_KERNEL) &&
1030 	    (!(l_map->flags & MAP_SHARED)) &&
1031 	    !l_map->maj && !l_map->min && !l_map->ino &&
1032 	    !l_map->ino_generation) {
1033 		/* userspace anonymous */
1034 
1035 		if (left->thread->pid_ > right->thread->pid_) return -1;
1036 		if (left->thread->pid_ < right->thread->pid_) return 1;
1037 	}
1038 
1039 addr:
1040 	/* al_addr does all the right addr - start + offset calculations */
1041 	l = cl_address(left->mem_info->daddr.al_addr);
1042 	r = cl_address(right->mem_info->daddr.al_addr);
1043 
1044 	if (l > r) return -1;
1045 	if (l < r) return 1;
1046 
1047 	return 0;
1048 }
1049 
1050 static int hist_entry__dcacheline_snprintf(struct hist_entry *he, char *bf,
1051 					  size_t size, unsigned int width)
1052 {
1053 
1054 	uint64_t addr = 0;
1055 	struct map *map = NULL;
1056 	struct symbol *sym = NULL;
1057 	char level = he->level;
1058 
1059 	if (he->mem_info) {
1060 		addr = cl_address(he->mem_info->daddr.al_addr);
1061 		map = he->mem_info->daddr.map;
1062 		sym = he->mem_info->daddr.sym;
1063 
1064 		/* print [s] for shared data mmaps */
1065 		if ((he->cpumode != PERF_RECORD_MISC_KERNEL) &&
1066 		     map && (map->type == MAP__VARIABLE) &&
1067 		    (map->flags & MAP_SHARED) &&
1068 		    (map->maj || map->min || map->ino ||
1069 		     map->ino_generation))
1070 			level = 's';
1071 		else if (!map)
1072 			level = 'X';
1073 	}
1074 	return _hist_entry__sym_snprintf(map, sym, addr, level, bf, size,
1075 					 width);
1076 }
1077 
1078 struct sort_entry sort_mispredict = {
1079 	.se_header	= "Branch Mispredicted",
1080 	.se_cmp		= sort__mispredict_cmp,
1081 	.se_snprintf	= hist_entry__mispredict_snprintf,
1082 	.se_width_idx	= HISTC_MISPREDICT,
1083 };
1084 
1085 static u64 he_weight(struct hist_entry *he)
1086 {
1087 	return he->stat.nr_events ? he->stat.weight / he->stat.nr_events : 0;
1088 }
1089 
1090 static int64_t
1091 sort__local_weight_cmp(struct hist_entry *left, struct hist_entry *right)
1092 {
1093 	return he_weight(left) - he_weight(right);
1094 }
1095 
1096 static int hist_entry__local_weight_snprintf(struct hist_entry *he, char *bf,
1097 				    size_t size, unsigned int width)
1098 {
1099 	return repsep_snprintf(bf, size, "%-*llu", width, he_weight(he));
1100 }
1101 
1102 struct sort_entry sort_local_weight = {
1103 	.se_header	= "Local Weight",
1104 	.se_cmp		= sort__local_weight_cmp,
1105 	.se_snprintf	= hist_entry__local_weight_snprintf,
1106 	.se_width_idx	= HISTC_LOCAL_WEIGHT,
1107 };
1108 
1109 static int64_t
1110 sort__global_weight_cmp(struct hist_entry *left, struct hist_entry *right)
1111 {
1112 	return left->stat.weight - right->stat.weight;
1113 }
1114 
1115 static int hist_entry__global_weight_snprintf(struct hist_entry *he, char *bf,
1116 					      size_t size, unsigned int width)
1117 {
1118 	return repsep_snprintf(bf, size, "%-*llu", width, he->stat.weight);
1119 }
1120 
1121 struct sort_entry sort_global_weight = {
1122 	.se_header	= "Weight",
1123 	.se_cmp		= sort__global_weight_cmp,
1124 	.se_snprintf	= hist_entry__global_weight_snprintf,
1125 	.se_width_idx	= HISTC_GLOBAL_WEIGHT,
1126 };
1127 
1128 struct sort_entry sort_mem_daddr_sym = {
1129 	.se_header	= "Data Symbol",
1130 	.se_cmp		= sort__daddr_cmp,
1131 	.se_snprintf	= hist_entry__daddr_snprintf,
1132 	.se_width_idx	= HISTC_MEM_DADDR_SYMBOL,
1133 };
1134 
1135 struct sort_entry sort_mem_iaddr_sym = {
1136 	.se_header	= "Code Symbol",
1137 	.se_cmp		= sort__iaddr_cmp,
1138 	.se_snprintf	= hist_entry__iaddr_snprintf,
1139 	.se_width_idx	= HISTC_MEM_IADDR_SYMBOL,
1140 };
1141 
1142 struct sort_entry sort_mem_daddr_dso = {
1143 	.se_header	= "Data Object",
1144 	.se_cmp		= sort__dso_daddr_cmp,
1145 	.se_snprintf	= hist_entry__dso_daddr_snprintf,
1146 	.se_width_idx	= HISTC_MEM_DADDR_SYMBOL,
1147 };
1148 
1149 struct sort_entry sort_mem_locked = {
1150 	.se_header	= "Locked",
1151 	.se_cmp		= sort__locked_cmp,
1152 	.se_snprintf	= hist_entry__locked_snprintf,
1153 	.se_width_idx	= HISTC_MEM_LOCKED,
1154 };
1155 
1156 struct sort_entry sort_mem_tlb = {
1157 	.se_header	= "TLB access",
1158 	.se_cmp		= sort__tlb_cmp,
1159 	.se_snprintf	= hist_entry__tlb_snprintf,
1160 	.se_width_idx	= HISTC_MEM_TLB,
1161 };
1162 
1163 struct sort_entry sort_mem_lvl = {
1164 	.se_header	= "Memory access",
1165 	.se_cmp		= sort__lvl_cmp,
1166 	.se_snprintf	= hist_entry__lvl_snprintf,
1167 	.se_width_idx	= HISTC_MEM_LVL,
1168 };
1169 
1170 struct sort_entry sort_mem_snoop = {
1171 	.se_header	= "Snoop",
1172 	.se_cmp		= sort__snoop_cmp,
1173 	.se_snprintf	= hist_entry__snoop_snprintf,
1174 	.se_width_idx	= HISTC_MEM_SNOOP,
1175 };
1176 
1177 struct sort_entry sort_mem_dcacheline = {
1178 	.se_header	= "Data Cacheline",
1179 	.se_cmp		= sort__dcacheline_cmp,
1180 	.se_snprintf	= hist_entry__dcacheline_snprintf,
1181 	.se_width_idx	= HISTC_MEM_DCACHELINE,
1182 };
1183 
1184 static int64_t
1185 sort__abort_cmp(struct hist_entry *left, struct hist_entry *right)
1186 {
1187 	if (!left->branch_info || !right->branch_info)
1188 		return cmp_null(left->branch_info, right->branch_info);
1189 
1190 	return left->branch_info->flags.abort !=
1191 		right->branch_info->flags.abort;
1192 }
1193 
1194 static int hist_entry__abort_snprintf(struct hist_entry *he, char *bf,
1195 				    size_t size, unsigned int width)
1196 {
1197 	static const char *out = "N/A";
1198 
1199 	if (he->branch_info) {
1200 		if (he->branch_info->flags.abort)
1201 			out = "A";
1202 		else
1203 			out = ".";
1204 	}
1205 
1206 	return repsep_snprintf(bf, size, "%-*s", width, out);
1207 }
1208 
1209 struct sort_entry sort_abort = {
1210 	.se_header	= "Transaction abort",
1211 	.se_cmp		= sort__abort_cmp,
1212 	.se_snprintf	= hist_entry__abort_snprintf,
1213 	.se_width_idx	= HISTC_ABORT,
1214 };
1215 
1216 static int64_t
1217 sort__in_tx_cmp(struct hist_entry *left, struct hist_entry *right)
1218 {
1219 	if (!left->branch_info || !right->branch_info)
1220 		return cmp_null(left->branch_info, right->branch_info);
1221 
1222 	return left->branch_info->flags.in_tx !=
1223 		right->branch_info->flags.in_tx;
1224 }
1225 
1226 static int hist_entry__in_tx_snprintf(struct hist_entry *he, char *bf,
1227 				    size_t size, unsigned int width)
1228 {
1229 	static const char *out = "N/A";
1230 
1231 	if (he->branch_info) {
1232 		if (he->branch_info->flags.in_tx)
1233 			out = "T";
1234 		else
1235 			out = ".";
1236 	}
1237 
1238 	return repsep_snprintf(bf, size, "%-*s", width, out);
1239 }
1240 
1241 struct sort_entry sort_in_tx = {
1242 	.se_header	= "Branch in transaction",
1243 	.se_cmp		= sort__in_tx_cmp,
1244 	.se_snprintf	= hist_entry__in_tx_snprintf,
1245 	.se_width_idx	= HISTC_IN_TX,
1246 };
1247 
1248 static int64_t
1249 sort__transaction_cmp(struct hist_entry *left, struct hist_entry *right)
1250 {
1251 	return left->transaction - right->transaction;
1252 }
1253 
1254 static inline char *add_str(char *p, const char *str)
1255 {
1256 	strcpy(p, str);
1257 	return p + strlen(str);
1258 }
1259 
1260 static struct txbit {
1261 	unsigned flag;
1262 	const char *name;
1263 	int skip_for_len;
1264 } txbits[] = {
1265 	{ PERF_TXN_ELISION,        "EL ",        0 },
1266 	{ PERF_TXN_TRANSACTION,    "TX ",        1 },
1267 	{ PERF_TXN_SYNC,           "SYNC ",      1 },
1268 	{ PERF_TXN_ASYNC,          "ASYNC ",     0 },
1269 	{ PERF_TXN_RETRY,          "RETRY ",     0 },
1270 	{ PERF_TXN_CONFLICT,       "CON ",       0 },
1271 	{ PERF_TXN_CAPACITY_WRITE, "CAP-WRITE ", 1 },
1272 	{ PERF_TXN_CAPACITY_READ,  "CAP-READ ",  0 },
1273 	{ 0, NULL, 0 }
1274 };
1275 
1276 int hist_entry__transaction_len(void)
1277 {
1278 	int i;
1279 	int len = 0;
1280 
1281 	for (i = 0; txbits[i].name; i++) {
1282 		if (!txbits[i].skip_for_len)
1283 			len += strlen(txbits[i].name);
1284 	}
1285 	len += 4; /* :XX<space> */
1286 	return len;
1287 }
1288 
1289 static int hist_entry__transaction_snprintf(struct hist_entry *he, char *bf,
1290 					    size_t size, unsigned int width)
1291 {
1292 	u64 t = he->transaction;
1293 	char buf[128];
1294 	char *p = buf;
1295 	int i;
1296 
1297 	buf[0] = 0;
1298 	for (i = 0; txbits[i].name; i++)
1299 		if (txbits[i].flag & t)
1300 			p = add_str(p, txbits[i].name);
1301 	if (t && !(t & (PERF_TXN_SYNC|PERF_TXN_ASYNC)))
1302 		p = add_str(p, "NEITHER ");
1303 	if (t & PERF_TXN_ABORT_MASK) {
1304 		sprintf(p, ":%" PRIx64,
1305 			(t & PERF_TXN_ABORT_MASK) >>
1306 			PERF_TXN_ABORT_SHIFT);
1307 		p += strlen(p);
1308 	}
1309 
1310 	return repsep_snprintf(bf, size, "%-*s", width, buf);
1311 }
1312 
1313 struct sort_entry sort_transaction = {
1314 	.se_header	= "Transaction                ",
1315 	.se_cmp		= sort__transaction_cmp,
1316 	.se_snprintf	= hist_entry__transaction_snprintf,
1317 	.se_width_idx	= HISTC_TRANSACTION,
1318 };
1319 
1320 struct sort_dimension {
1321 	const char		*name;
1322 	struct sort_entry	*entry;
1323 	int			taken;
1324 };
1325 
1326 #define DIM(d, n, func) [d] = { .name = n, .entry = &(func) }
1327 
1328 static struct sort_dimension common_sort_dimensions[] = {
1329 	DIM(SORT_PID, "pid", sort_thread),
1330 	DIM(SORT_COMM, "comm", sort_comm),
1331 	DIM(SORT_DSO, "dso", sort_dso),
1332 	DIM(SORT_SYM, "symbol", sort_sym),
1333 	DIM(SORT_PARENT, "parent", sort_parent),
1334 	DIM(SORT_CPU, "cpu", sort_cpu),
1335 	DIM(SORT_SOCKET, "socket", sort_socket),
1336 	DIM(SORT_SRCLINE, "srcline", sort_srcline),
1337 	DIM(SORT_SRCFILE, "srcfile", sort_srcfile),
1338 	DIM(SORT_LOCAL_WEIGHT, "local_weight", sort_local_weight),
1339 	DIM(SORT_GLOBAL_WEIGHT, "weight", sort_global_weight),
1340 	DIM(SORT_TRANSACTION, "transaction", sort_transaction),
1341 	DIM(SORT_TRACE, "trace", sort_trace),
1342 };
1343 
1344 #undef DIM
1345 
1346 #define DIM(d, n, func) [d - __SORT_BRANCH_STACK] = { .name = n, .entry = &(func) }
1347 
1348 static struct sort_dimension bstack_sort_dimensions[] = {
1349 	DIM(SORT_DSO_FROM, "dso_from", sort_dso_from),
1350 	DIM(SORT_DSO_TO, "dso_to", sort_dso_to),
1351 	DIM(SORT_SYM_FROM, "symbol_from", sort_sym_from),
1352 	DIM(SORT_SYM_TO, "symbol_to", sort_sym_to),
1353 	DIM(SORT_MISPREDICT, "mispredict", sort_mispredict),
1354 	DIM(SORT_IN_TX, "in_tx", sort_in_tx),
1355 	DIM(SORT_ABORT, "abort", sort_abort),
1356 	DIM(SORT_CYCLES, "cycles", sort_cycles),
1357 };
1358 
1359 #undef DIM
1360 
1361 #define DIM(d, n, func) [d - __SORT_MEMORY_MODE] = { .name = n, .entry = &(func) }
1362 
1363 static struct sort_dimension memory_sort_dimensions[] = {
1364 	DIM(SORT_MEM_DADDR_SYMBOL, "symbol_daddr", sort_mem_daddr_sym),
1365 	DIM(SORT_MEM_IADDR_SYMBOL, "symbol_iaddr", sort_mem_iaddr_sym),
1366 	DIM(SORT_MEM_DADDR_DSO, "dso_daddr", sort_mem_daddr_dso),
1367 	DIM(SORT_MEM_LOCKED, "locked", sort_mem_locked),
1368 	DIM(SORT_MEM_TLB, "tlb", sort_mem_tlb),
1369 	DIM(SORT_MEM_LVL, "mem", sort_mem_lvl),
1370 	DIM(SORT_MEM_SNOOP, "snoop", sort_mem_snoop),
1371 	DIM(SORT_MEM_DCACHELINE, "dcacheline", sort_mem_dcacheline),
1372 };
1373 
1374 #undef DIM
1375 
1376 struct hpp_dimension {
1377 	const char		*name;
1378 	struct perf_hpp_fmt	*fmt;
1379 	int			taken;
1380 };
1381 
1382 #define DIM(d, n) { .name = n, .fmt = &perf_hpp__format[d], }
1383 
1384 static struct hpp_dimension hpp_sort_dimensions[] = {
1385 	DIM(PERF_HPP__OVERHEAD, "overhead"),
1386 	DIM(PERF_HPP__OVERHEAD_SYS, "overhead_sys"),
1387 	DIM(PERF_HPP__OVERHEAD_US, "overhead_us"),
1388 	DIM(PERF_HPP__OVERHEAD_GUEST_SYS, "overhead_guest_sys"),
1389 	DIM(PERF_HPP__OVERHEAD_GUEST_US, "overhead_guest_us"),
1390 	DIM(PERF_HPP__OVERHEAD_ACC, "overhead_children"),
1391 	DIM(PERF_HPP__SAMPLES, "sample"),
1392 	DIM(PERF_HPP__PERIOD, "period"),
1393 };
1394 
1395 #undef DIM
1396 
1397 struct hpp_sort_entry {
1398 	struct perf_hpp_fmt hpp;
1399 	struct sort_entry *se;
1400 };
1401 
1402 void perf_hpp__reset_sort_width(struct perf_hpp_fmt *fmt, struct hists *hists)
1403 {
1404 	struct hpp_sort_entry *hse;
1405 
1406 	if (!perf_hpp__is_sort_entry(fmt))
1407 		return;
1408 
1409 	hse = container_of(fmt, struct hpp_sort_entry, hpp);
1410 	hists__new_col_len(hists, hse->se->se_width_idx, strlen(fmt->name));
1411 }
1412 
1413 static int __sort__hpp_header(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1414 			      struct perf_evsel *evsel)
1415 {
1416 	struct hpp_sort_entry *hse;
1417 	size_t len = fmt->user_len;
1418 
1419 	hse = container_of(fmt, struct hpp_sort_entry, hpp);
1420 
1421 	if (!len)
1422 		len = hists__col_len(evsel__hists(evsel), hse->se->se_width_idx);
1423 
1424 	return scnprintf(hpp->buf, hpp->size, "%-*.*s", len, len, fmt->name);
1425 }
1426 
1427 static int __sort__hpp_width(struct perf_hpp_fmt *fmt,
1428 			     struct perf_hpp *hpp __maybe_unused,
1429 			     struct perf_evsel *evsel)
1430 {
1431 	struct hpp_sort_entry *hse;
1432 	size_t len = fmt->user_len;
1433 
1434 	hse = container_of(fmt, struct hpp_sort_entry, hpp);
1435 
1436 	if (!len)
1437 		len = hists__col_len(evsel__hists(evsel), hse->se->se_width_idx);
1438 
1439 	return len;
1440 }
1441 
1442 static int __sort__hpp_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1443 			     struct hist_entry *he)
1444 {
1445 	struct hpp_sort_entry *hse;
1446 	size_t len = fmt->user_len;
1447 
1448 	hse = container_of(fmt, struct hpp_sort_entry, hpp);
1449 
1450 	if (!len)
1451 		len = hists__col_len(he->hists, hse->se->se_width_idx);
1452 
1453 	return hse->se->se_snprintf(he, hpp->buf, hpp->size, len);
1454 }
1455 
1456 static int64_t __sort__hpp_cmp(struct perf_hpp_fmt *fmt,
1457 			       struct hist_entry *a, struct hist_entry *b)
1458 {
1459 	struct hpp_sort_entry *hse;
1460 
1461 	hse = container_of(fmt, struct hpp_sort_entry, hpp);
1462 	return hse->se->se_cmp(a, b);
1463 }
1464 
1465 static int64_t __sort__hpp_collapse(struct perf_hpp_fmt *fmt,
1466 				    struct hist_entry *a, struct hist_entry *b)
1467 {
1468 	struct hpp_sort_entry *hse;
1469 	int64_t (*collapse_fn)(struct hist_entry *, struct hist_entry *);
1470 
1471 	hse = container_of(fmt, struct hpp_sort_entry, hpp);
1472 	collapse_fn = hse->se->se_collapse ?: hse->se->se_cmp;
1473 	return collapse_fn(a, b);
1474 }
1475 
1476 static int64_t __sort__hpp_sort(struct perf_hpp_fmt *fmt,
1477 				struct hist_entry *a, struct hist_entry *b)
1478 {
1479 	struct hpp_sort_entry *hse;
1480 	int64_t (*sort_fn)(struct hist_entry *, struct hist_entry *);
1481 
1482 	hse = container_of(fmt, struct hpp_sort_entry, hpp);
1483 	sort_fn = hse->se->se_sort ?: hse->se->se_cmp;
1484 	return sort_fn(a, b);
1485 }
1486 
1487 bool perf_hpp__is_sort_entry(struct perf_hpp_fmt *format)
1488 {
1489 	return format->header == __sort__hpp_header;
1490 }
1491 
1492 #define MK_SORT_ENTRY_CHK(key)					\
1493 bool perf_hpp__is_ ## key ## _entry(struct perf_hpp_fmt *fmt)	\
1494 {								\
1495 	struct hpp_sort_entry *hse;				\
1496 								\
1497 	if (!perf_hpp__is_sort_entry(fmt))			\
1498 		return false;					\
1499 								\
1500 	hse = container_of(fmt, struct hpp_sort_entry, hpp);	\
1501 	return hse->se == &sort_ ## key ;			\
1502 }
1503 
1504 MK_SORT_ENTRY_CHK(trace)
1505 MK_SORT_ENTRY_CHK(srcline)
1506 MK_SORT_ENTRY_CHK(srcfile)
1507 MK_SORT_ENTRY_CHK(thread)
1508 MK_SORT_ENTRY_CHK(comm)
1509 MK_SORT_ENTRY_CHK(dso)
1510 MK_SORT_ENTRY_CHK(sym)
1511 
1512 
1513 static bool __sort__hpp_equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b)
1514 {
1515 	struct hpp_sort_entry *hse_a;
1516 	struct hpp_sort_entry *hse_b;
1517 
1518 	if (!perf_hpp__is_sort_entry(a) || !perf_hpp__is_sort_entry(b))
1519 		return false;
1520 
1521 	hse_a = container_of(a, struct hpp_sort_entry, hpp);
1522 	hse_b = container_of(b, struct hpp_sort_entry, hpp);
1523 
1524 	return hse_a->se == hse_b->se;
1525 }
1526 
1527 static void hse_free(struct perf_hpp_fmt *fmt)
1528 {
1529 	struct hpp_sort_entry *hse;
1530 
1531 	hse = container_of(fmt, struct hpp_sort_entry, hpp);
1532 	free(hse);
1533 }
1534 
1535 static struct hpp_sort_entry *
1536 __sort_dimension__alloc_hpp(struct sort_dimension *sd, int level)
1537 {
1538 	struct hpp_sort_entry *hse;
1539 
1540 	hse = malloc(sizeof(*hse));
1541 	if (hse == NULL) {
1542 		pr_err("Memory allocation failed\n");
1543 		return NULL;
1544 	}
1545 
1546 	hse->se = sd->entry;
1547 	hse->hpp.name = sd->entry->se_header;
1548 	hse->hpp.header = __sort__hpp_header;
1549 	hse->hpp.width = __sort__hpp_width;
1550 	hse->hpp.entry = __sort__hpp_entry;
1551 	hse->hpp.color = NULL;
1552 
1553 	hse->hpp.cmp = __sort__hpp_cmp;
1554 	hse->hpp.collapse = __sort__hpp_collapse;
1555 	hse->hpp.sort = __sort__hpp_sort;
1556 	hse->hpp.equal = __sort__hpp_equal;
1557 	hse->hpp.free = hse_free;
1558 
1559 	INIT_LIST_HEAD(&hse->hpp.list);
1560 	INIT_LIST_HEAD(&hse->hpp.sort_list);
1561 	hse->hpp.elide = false;
1562 	hse->hpp.len = 0;
1563 	hse->hpp.user_len = 0;
1564 	hse->hpp.level = level;
1565 
1566 	return hse;
1567 }
1568 
1569 static void hpp_free(struct perf_hpp_fmt *fmt)
1570 {
1571 	free(fmt);
1572 }
1573 
1574 static struct perf_hpp_fmt *__hpp_dimension__alloc_hpp(struct hpp_dimension *hd,
1575 						       int level)
1576 {
1577 	struct perf_hpp_fmt *fmt;
1578 
1579 	fmt = memdup(hd->fmt, sizeof(*fmt));
1580 	if (fmt) {
1581 		INIT_LIST_HEAD(&fmt->list);
1582 		INIT_LIST_HEAD(&fmt->sort_list);
1583 		fmt->free = hpp_free;
1584 		fmt->level = level;
1585 	}
1586 
1587 	return fmt;
1588 }
1589 
1590 int hist_entry__filter(struct hist_entry *he, int type, const void *arg)
1591 {
1592 	struct perf_hpp_fmt *fmt;
1593 	struct hpp_sort_entry *hse;
1594 	int ret = -1;
1595 	int r;
1596 
1597 	perf_hpp_list__for_each_format(he->hpp_list, fmt) {
1598 		if (!perf_hpp__is_sort_entry(fmt))
1599 			continue;
1600 
1601 		hse = container_of(fmt, struct hpp_sort_entry, hpp);
1602 		if (hse->se->se_filter == NULL)
1603 			continue;
1604 
1605 		/*
1606 		 * hist entry is filtered if any of sort key in the hpp list
1607 		 * is applied.  But it should skip non-matched filter types.
1608 		 */
1609 		r = hse->se->se_filter(he, type, arg);
1610 		if (r >= 0) {
1611 			if (ret < 0)
1612 				ret = 0;
1613 			ret |= r;
1614 		}
1615 	}
1616 
1617 	return ret;
1618 }
1619 
1620 static int __sort_dimension__add_hpp_sort(struct sort_dimension *sd,
1621 					  struct perf_hpp_list *list,
1622 					  int level)
1623 {
1624 	struct hpp_sort_entry *hse = __sort_dimension__alloc_hpp(sd, level);
1625 
1626 	if (hse == NULL)
1627 		return -1;
1628 
1629 	perf_hpp_list__register_sort_field(list, &hse->hpp);
1630 	return 0;
1631 }
1632 
1633 static int __sort_dimension__add_hpp_output(struct sort_dimension *sd,
1634 					    struct perf_hpp_list *list)
1635 {
1636 	struct hpp_sort_entry *hse = __sort_dimension__alloc_hpp(sd, 0);
1637 
1638 	if (hse == NULL)
1639 		return -1;
1640 
1641 	perf_hpp_list__column_register(list, &hse->hpp);
1642 	return 0;
1643 }
1644 
1645 struct hpp_dynamic_entry {
1646 	struct perf_hpp_fmt hpp;
1647 	struct perf_evsel *evsel;
1648 	struct format_field *field;
1649 	unsigned dynamic_len;
1650 	bool raw_trace;
1651 };
1652 
1653 static int hde_width(struct hpp_dynamic_entry *hde)
1654 {
1655 	if (!hde->hpp.len) {
1656 		int len = hde->dynamic_len;
1657 		int namelen = strlen(hde->field->name);
1658 		int fieldlen = hde->field->size;
1659 
1660 		if (namelen > len)
1661 			len = namelen;
1662 
1663 		if (!(hde->field->flags & FIELD_IS_STRING)) {
1664 			/* length for print hex numbers */
1665 			fieldlen = hde->field->size * 2 + 2;
1666 		}
1667 		if (fieldlen > len)
1668 			len = fieldlen;
1669 
1670 		hde->hpp.len = len;
1671 	}
1672 	return hde->hpp.len;
1673 }
1674 
1675 static void update_dynamic_len(struct hpp_dynamic_entry *hde,
1676 			       struct hist_entry *he)
1677 {
1678 	char *str, *pos;
1679 	struct format_field *field = hde->field;
1680 	size_t namelen;
1681 	bool last = false;
1682 
1683 	if (hde->raw_trace)
1684 		return;
1685 
1686 	/* parse pretty print result and update max length */
1687 	if (!he->trace_output)
1688 		he->trace_output = get_trace_output(he);
1689 
1690 	namelen = strlen(field->name);
1691 	str = he->trace_output;
1692 
1693 	while (str) {
1694 		pos = strchr(str, ' ');
1695 		if (pos == NULL) {
1696 			last = true;
1697 			pos = str + strlen(str);
1698 		}
1699 
1700 		if (!strncmp(str, field->name, namelen)) {
1701 			size_t len;
1702 
1703 			str += namelen + 1;
1704 			len = pos - str;
1705 
1706 			if (len > hde->dynamic_len)
1707 				hde->dynamic_len = len;
1708 			break;
1709 		}
1710 
1711 		if (last)
1712 			str = NULL;
1713 		else
1714 			str = pos + 1;
1715 	}
1716 }
1717 
1718 static int __sort__hde_header(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1719 			      struct perf_evsel *evsel __maybe_unused)
1720 {
1721 	struct hpp_dynamic_entry *hde;
1722 	size_t len = fmt->user_len;
1723 
1724 	hde = container_of(fmt, struct hpp_dynamic_entry, hpp);
1725 
1726 	if (!len)
1727 		len = hde_width(hde);
1728 
1729 	return scnprintf(hpp->buf, hpp->size, "%*.*s", len, len, hde->field->name);
1730 }
1731 
1732 static int __sort__hde_width(struct perf_hpp_fmt *fmt,
1733 			     struct perf_hpp *hpp __maybe_unused,
1734 			     struct perf_evsel *evsel __maybe_unused)
1735 {
1736 	struct hpp_dynamic_entry *hde;
1737 	size_t len = fmt->user_len;
1738 
1739 	hde = container_of(fmt, struct hpp_dynamic_entry, hpp);
1740 
1741 	if (!len)
1742 		len = hde_width(hde);
1743 
1744 	return len;
1745 }
1746 
1747 bool perf_hpp__defined_dynamic_entry(struct perf_hpp_fmt *fmt, struct hists *hists)
1748 {
1749 	struct hpp_dynamic_entry *hde;
1750 
1751 	hde = container_of(fmt, struct hpp_dynamic_entry, hpp);
1752 
1753 	return hists_to_evsel(hists) == hde->evsel;
1754 }
1755 
1756 static int __sort__hde_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1757 			     struct hist_entry *he)
1758 {
1759 	struct hpp_dynamic_entry *hde;
1760 	size_t len = fmt->user_len;
1761 	char *str, *pos;
1762 	struct format_field *field;
1763 	size_t namelen;
1764 	bool last = false;
1765 	int ret;
1766 
1767 	hde = container_of(fmt, struct hpp_dynamic_entry, hpp);
1768 
1769 	if (!len)
1770 		len = hde_width(hde);
1771 
1772 	if (hde->raw_trace)
1773 		goto raw_field;
1774 
1775 	if (!he->trace_output)
1776 		he->trace_output = get_trace_output(he);
1777 
1778 	field = hde->field;
1779 	namelen = strlen(field->name);
1780 	str = he->trace_output;
1781 
1782 	while (str) {
1783 		pos = strchr(str, ' ');
1784 		if (pos == NULL) {
1785 			last = true;
1786 			pos = str + strlen(str);
1787 		}
1788 
1789 		if (!strncmp(str, field->name, namelen)) {
1790 			str += namelen + 1;
1791 			str = strndup(str, pos - str);
1792 
1793 			if (str == NULL)
1794 				return scnprintf(hpp->buf, hpp->size,
1795 						 "%*.*s", len, len, "ERROR");
1796 			break;
1797 		}
1798 
1799 		if (last)
1800 			str = NULL;
1801 		else
1802 			str = pos + 1;
1803 	}
1804 
1805 	if (str == NULL) {
1806 		struct trace_seq seq;
1807 raw_field:
1808 		trace_seq_init(&seq);
1809 		pevent_print_field(&seq, he->raw_data, hde->field);
1810 		str = seq.buffer;
1811 	}
1812 
1813 	ret = scnprintf(hpp->buf, hpp->size, "%*.*s", len, len, str);
1814 	free(str);
1815 	return ret;
1816 }
1817 
1818 static int64_t __sort__hde_cmp(struct perf_hpp_fmt *fmt,
1819 			       struct hist_entry *a, struct hist_entry *b)
1820 {
1821 	struct hpp_dynamic_entry *hde;
1822 	struct format_field *field;
1823 	unsigned offset, size;
1824 
1825 	hde = container_of(fmt, struct hpp_dynamic_entry, hpp);
1826 
1827 	if (b == NULL) {
1828 		update_dynamic_len(hde, a);
1829 		return 0;
1830 	}
1831 
1832 	field = hde->field;
1833 	if (field->flags & FIELD_IS_DYNAMIC) {
1834 		unsigned long long dyn;
1835 
1836 		pevent_read_number_field(field, a->raw_data, &dyn);
1837 		offset = dyn & 0xffff;
1838 		size = (dyn >> 16) & 0xffff;
1839 
1840 		/* record max width for output */
1841 		if (size > hde->dynamic_len)
1842 			hde->dynamic_len = size;
1843 	} else {
1844 		offset = field->offset;
1845 		size = field->size;
1846 	}
1847 
1848 	return memcmp(a->raw_data + offset, b->raw_data + offset, size);
1849 }
1850 
1851 bool perf_hpp__is_dynamic_entry(struct perf_hpp_fmt *fmt)
1852 {
1853 	return fmt->cmp == __sort__hde_cmp;
1854 }
1855 
1856 static bool __sort__hde_equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b)
1857 {
1858 	struct hpp_dynamic_entry *hde_a;
1859 	struct hpp_dynamic_entry *hde_b;
1860 
1861 	if (!perf_hpp__is_dynamic_entry(a) || !perf_hpp__is_dynamic_entry(b))
1862 		return false;
1863 
1864 	hde_a = container_of(a, struct hpp_dynamic_entry, hpp);
1865 	hde_b = container_of(b, struct hpp_dynamic_entry, hpp);
1866 
1867 	return hde_a->field == hde_b->field;
1868 }
1869 
1870 static void hde_free(struct perf_hpp_fmt *fmt)
1871 {
1872 	struct hpp_dynamic_entry *hde;
1873 
1874 	hde = container_of(fmt, struct hpp_dynamic_entry, hpp);
1875 	free(hde);
1876 }
1877 
1878 static struct hpp_dynamic_entry *
1879 __alloc_dynamic_entry(struct perf_evsel *evsel, struct format_field *field,
1880 		      int level)
1881 {
1882 	struct hpp_dynamic_entry *hde;
1883 
1884 	hde = malloc(sizeof(*hde));
1885 	if (hde == NULL) {
1886 		pr_debug("Memory allocation failed\n");
1887 		return NULL;
1888 	}
1889 
1890 	hde->evsel = evsel;
1891 	hde->field = field;
1892 	hde->dynamic_len = 0;
1893 
1894 	hde->hpp.name = field->name;
1895 	hde->hpp.header = __sort__hde_header;
1896 	hde->hpp.width  = __sort__hde_width;
1897 	hde->hpp.entry  = __sort__hde_entry;
1898 	hde->hpp.color  = NULL;
1899 
1900 	hde->hpp.cmp = __sort__hde_cmp;
1901 	hde->hpp.collapse = __sort__hde_cmp;
1902 	hde->hpp.sort = __sort__hde_cmp;
1903 	hde->hpp.equal = __sort__hde_equal;
1904 	hde->hpp.free = hde_free;
1905 
1906 	INIT_LIST_HEAD(&hde->hpp.list);
1907 	INIT_LIST_HEAD(&hde->hpp.sort_list);
1908 	hde->hpp.elide = false;
1909 	hde->hpp.len = 0;
1910 	hde->hpp.user_len = 0;
1911 	hde->hpp.level = level;
1912 
1913 	return hde;
1914 }
1915 
1916 struct perf_hpp_fmt *perf_hpp_fmt__dup(struct perf_hpp_fmt *fmt)
1917 {
1918 	struct perf_hpp_fmt *new_fmt = NULL;
1919 
1920 	if (perf_hpp__is_sort_entry(fmt)) {
1921 		struct hpp_sort_entry *hse, *new_hse;
1922 
1923 		hse = container_of(fmt, struct hpp_sort_entry, hpp);
1924 		new_hse = memdup(hse, sizeof(*hse));
1925 		if (new_hse)
1926 			new_fmt = &new_hse->hpp;
1927 	} else if (perf_hpp__is_dynamic_entry(fmt)) {
1928 		struct hpp_dynamic_entry *hde, *new_hde;
1929 
1930 		hde = container_of(fmt, struct hpp_dynamic_entry, hpp);
1931 		new_hde = memdup(hde, sizeof(*hde));
1932 		if (new_hde)
1933 			new_fmt = &new_hde->hpp;
1934 	} else {
1935 		new_fmt = memdup(fmt, sizeof(*fmt));
1936 	}
1937 
1938 	INIT_LIST_HEAD(&new_fmt->list);
1939 	INIT_LIST_HEAD(&new_fmt->sort_list);
1940 
1941 	return new_fmt;
1942 }
1943 
1944 static int parse_field_name(char *str, char **event, char **field, char **opt)
1945 {
1946 	char *event_name, *field_name, *opt_name;
1947 
1948 	event_name = str;
1949 	field_name = strchr(str, '.');
1950 
1951 	if (field_name) {
1952 		*field_name++ = '\0';
1953 	} else {
1954 		event_name = NULL;
1955 		field_name = str;
1956 	}
1957 
1958 	opt_name = strchr(field_name, '/');
1959 	if (opt_name)
1960 		*opt_name++ = '\0';
1961 
1962 	*event = event_name;
1963 	*field = field_name;
1964 	*opt   = opt_name;
1965 
1966 	return 0;
1967 }
1968 
1969 /* find match evsel using a given event name.  The event name can be:
1970  *   1. '%' + event index (e.g. '%1' for first event)
1971  *   2. full event name (e.g. sched:sched_switch)
1972  *   3. partial event name (should not contain ':')
1973  */
1974 static struct perf_evsel *find_evsel(struct perf_evlist *evlist, char *event_name)
1975 {
1976 	struct perf_evsel *evsel = NULL;
1977 	struct perf_evsel *pos;
1978 	bool full_name;
1979 
1980 	/* case 1 */
1981 	if (event_name[0] == '%') {
1982 		int nr = strtol(event_name+1, NULL, 0);
1983 
1984 		if (nr > evlist->nr_entries)
1985 			return NULL;
1986 
1987 		evsel = perf_evlist__first(evlist);
1988 		while (--nr > 0)
1989 			evsel = perf_evsel__next(evsel);
1990 
1991 		return evsel;
1992 	}
1993 
1994 	full_name = !!strchr(event_name, ':');
1995 	evlist__for_each(evlist, pos) {
1996 		/* case 2 */
1997 		if (full_name && !strcmp(pos->name, event_name))
1998 			return pos;
1999 		/* case 3 */
2000 		if (!full_name && strstr(pos->name, event_name)) {
2001 			if (evsel) {
2002 				pr_debug("'%s' event is ambiguous: it can be %s or %s\n",
2003 					 event_name, evsel->name, pos->name);
2004 				return NULL;
2005 			}
2006 			evsel = pos;
2007 		}
2008 	}
2009 
2010 	return evsel;
2011 }
2012 
2013 static int __dynamic_dimension__add(struct perf_evsel *evsel,
2014 				    struct format_field *field,
2015 				    bool raw_trace, int level)
2016 {
2017 	struct hpp_dynamic_entry *hde;
2018 
2019 	hde = __alloc_dynamic_entry(evsel, field, level);
2020 	if (hde == NULL)
2021 		return -ENOMEM;
2022 
2023 	hde->raw_trace = raw_trace;
2024 
2025 	perf_hpp__register_sort_field(&hde->hpp);
2026 	return 0;
2027 }
2028 
2029 static int add_evsel_fields(struct perf_evsel *evsel, bool raw_trace, int level)
2030 {
2031 	int ret;
2032 	struct format_field *field;
2033 
2034 	field = evsel->tp_format->format.fields;
2035 	while (field) {
2036 		ret = __dynamic_dimension__add(evsel, field, raw_trace, level);
2037 		if (ret < 0)
2038 			return ret;
2039 
2040 		field = field->next;
2041 	}
2042 	return 0;
2043 }
2044 
2045 static int add_all_dynamic_fields(struct perf_evlist *evlist, bool raw_trace,
2046 				  int level)
2047 {
2048 	int ret;
2049 	struct perf_evsel *evsel;
2050 
2051 	evlist__for_each(evlist, evsel) {
2052 		if (evsel->attr.type != PERF_TYPE_TRACEPOINT)
2053 			continue;
2054 
2055 		ret = add_evsel_fields(evsel, raw_trace, level);
2056 		if (ret < 0)
2057 			return ret;
2058 	}
2059 	return 0;
2060 }
2061 
2062 static int add_all_matching_fields(struct perf_evlist *evlist,
2063 				   char *field_name, bool raw_trace, int level)
2064 {
2065 	int ret = -ESRCH;
2066 	struct perf_evsel *evsel;
2067 	struct format_field *field;
2068 
2069 	evlist__for_each(evlist, evsel) {
2070 		if (evsel->attr.type != PERF_TYPE_TRACEPOINT)
2071 			continue;
2072 
2073 		field = pevent_find_any_field(evsel->tp_format, field_name);
2074 		if (field == NULL)
2075 			continue;
2076 
2077 		ret = __dynamic_dimension__add(evsel, field, raw_trace, level);
2078 		if (ret < 0)
2079 			break;
2080 	}
2081 	return ret;
2082 }
2083 
2084 static int add_dynamic_entry(struct perf_evlist *evlist, const char *tok,
2085 			     int level)
2086 {
2087 	char *str, *event_name, *field_name, *opt_name;
2088 	struct perf_evsel *evsel;
2089 	struct format_field *field;
2090 	bool raw_trace = symbol_conf.raw_trace;
2091 	int ret = 0;
2092 
2093 	if (evlist == NULL)
2094 		return -ENOENT;
2095 
2096 	str = strdup(tok);
2097 	if (str == NULL)
2098 		return -ENOMEM;
2099 
2100 	if (parse_field_name(str, &event_name, &field_name, &opt_name) < 0) {
2101 		ret = -EINVAL;
2102 		goto out;
2103 	}
2104 
2105 	if (opt_name) {
2106 		if (strcmp(opt_name, "raw")) {
2107 			pr_debug("unsupported field option %s\n", opt_name);
2108 			ret = -EINVAL;
2109 			goto out;
2110 		}
2111 		raw_trace = true;
2112 	}
2113 
2114 	if (!strcmp(field_name, "trace_fields")) {
2115 		ret = add_all_dynamic_fields(evlist, raw_trace, level);
2116 		goto out;
2117 	}
2118 
2119 	if (event_name == NULL) {
2120 		ret = add_all_matching_fields(evlist, field_name, raw_trace, level);
2121 		goto out;
2122 	}
2123 
2124 	evsel = find_evsel(evlist, event_name);
2125 	if (evsel == NULL) {
2126 		pr_debug("Cannot find event: %s\n", event_name);
2127 		ret = -ENOENT;
2128 		goto out;
2129 	}
2130 
2131 	if (evsel->attr.type != PERF_TYPE_TRACEPOINT) {
2132 		pr_debug("%s is not a tracepoint event\n", event_name);
2133 		ret = -EINVAL;
2134 		goto out;
2135 	}
2136 
2137 	if (!strcmp(field_name, "*")) {
2138 		ret = add_evsel_fields(evsel, raw_trace, level);
2139 	} else {
2140 		field = pevent_find_any_field(evsel->tp_format, field_name);
2141 		if (field == NULL) {
2142 			pr_debug("Cannot find event field for %s.%s\n",
2143 				 event_name, field_name);
2144 			return -ENOENT;
2145 		}
2146 
2147 		ret = __dynamic_dimension__add(evsel, field, raw_trace, level);
2148 	}
2149 
2150 out:
2151 	free(str);
2152 	return ret;
2153 }
2154 
2155 static int __sort_dimension__add(struct sort_dimension *sd,
2156 				 struct perf_hpp_list *list,
2157 				 int level)
2158 {
2159 	if (sd->taken)
2160 		return 0;
2161 
2162 	if (__sort_dimension__add_hpp_sort(sd, list, level) < 0)
2163 		return -1;
2164 
2165 	if (sd->entry->se_collapse)
2166 		sort__need_collapse = 1;
2167 
2168 	sd->taken = 1;
2169 
2170 	return 0;
2171 }
2172 
2173 static int __hpp_dimension__add(struct hpp_dimension *hd,
2174 				struct perf_hpp_list *list,
2175 				int level)
2176 {
2177 	struct perf_hpp_fmt *fmt;
2178 
2179 	if (hd->taken)
2180 		return 0;
2181 
2182 	fmt = __hpp_dimension__alloc_hpp(hd, level);
2183 	if (!fmt)
2184 		return -1;
2185 
2186 	hd->taken = 1;
2187 	perf_hpp_list__register_sort_field(list, fmt);
2188 	return 0;
2189 }
2190 
2191 static int __sort_dimension__add_output(struct perf_hpp_list *list,
2192 					struct sort_dimension *sd)
2193 {
2194 	if (sd->taken)
2195 		return 0;
2196 
2197 	if (__sort_dimension__add_hpp_output(sd, list) < 0)
2198 		return -1;
2199 
2200 	sd->taken = 1;
2201 	return 0;
2202 }
2203 
2204 static int __hpp_dimension__add_output(struct perf_hpp_list *list,
2205 				       struct hpp_dimension *hd)
2206 {
2207 	struct perf_hpp_fmt *fmt;
2208 
2209 	if (hd->taken)
2210 		return 0;
2211 
2212 	fmt = __hpp_dimension__alloc_hpp(hd, 0);
2213 	if (!fmt)
2214 		return -1;
2215 
2216 	hd->taken = 1;
2217 	perf_hpp_list__column_register(list, fmt);
2218 	return 0;
2219 }
2220 
2221 int hpp_dimension__add_output(unsigned col)
2222 {
2223 	BUG_ON(col >= PERF_HPP__MAX_INDEX);
2224 	return __hpp_dimension__add_output(&perf_hpp_list, &hpp_sort_dimensions[col]);
2225 }
2226 
2227 static int sort_dimension__add(struct perf_hpp_list *list, const char *tok,
2228 			       struct perf_evlist *evlist,
2229 			       int level)
2230 {
2231 	unsigned int i;
2232 
2233 	for (i = 0; i < ARRAY_SIZE(common_sort_dimensions); i++) {
2234 		struct sort_dimension *sd = &common_sort_dimensions[i];
2235 
2236 		if (strncasecmp(tok, sd->name, strlen(tok)))
2237 			continue;
2238 
2239 		if (sd->entry == &sort_parent) {
2240 			int ret = regcomp(&parent_regex, parent_pattern, REG_EXTENDED);
2241 			if (ret) {
2242 				char err[BUFSIZ];
2243 
2244 				regerror(ret, &parent_regex, err, sizeof(err));
2245 				pr_err("Invalid regex: %s\n%s", parent_pattern, err);
2246 				return -EINVAL;
2247 			}
2248 			sort__has_parent = 1;
2249 		} else if (sd->entry == &sort_sym) {
2250 			sort__has_sym = 1;
2251 			/*
2252 			 * perf diff displays the performance difference amongst
2253 			 * two or more perf.data files. Those files could come
2254 			 * from different binaries. So we should not compare
2255 			 * their ips, but the name of symbol.
2256 			 */
2257 			if (sort__mode == SORT_MODE__DIFF)
2258 				sd->entry->se_collapse = sort__sym_sort;
2259 
2260 		} else if (sd->entry == &sort_dso) {
2261 			sort__has_dso = 1;
2262 		} else if (sd->entry == &sort_socket) {
2263 			sort__has_socket = 1;
2264 		} else if (sd->entry == &sort_thread) {
2265 			sort__has_thread = 1;
2266 		} else if (sd->entry == &sort_comm) {
2267 			sort__has_comm = 1;
2268 		}
2269 
2270 		return __sort_dimension__add(sd, list, level);
2271 	}
2272 
2273 	for (i = 0; i < ARRAY_SIZE(hpp_sort_dimensions); i++) {
2274 		struct hpp_dimension *hd = &hpp_sort_dimensions[i];
2275 
2276 		if (strncasecmp(tok, hd->name, strlen(tok)))
2277 			continue;
2278 
2279 		return __hpp_dimension__add(hd, list, level);
2280 	}
2281 
2282 	for (i = 0; i < ARRAY_SIZE(bstack_sort_dimensions); i++) {
2283 		struct sort_dimension *sd = &bstack_sort_dimensions[i];
2284 
2285 		if (strncasecmp(tok, sd->name, strlen(tok)))
2286 			continue;
2287 
2288 		if (sort__mode != SORT_MODE__BRANCH)
2289 			return -EINVAL;
2290 
2291 		if (sd->entry == &sort_sym_from || sd->entry == &sort_sym_to)
2292 			sort__has_sym = 1;
2293 
2294 		__sort_dimension__add(sd, list, level);
2295 		return 0;
2296 	}
2297 
2298 	for (i = 0; i < ARRAY_SIZE(memory_sort_dimensions); i++) {
2299 		struct sort_dimension *sd = &memory_sort_dimensions[i];
2300 
2301 		if (strncasecmp(tok, sd->name, strlen(tok)))
2302 			continue;
2303 
2304 		if (sort__mode != SORT_MODE__MEMORY)
2305 			return -EINVAL;
2306 
2307 		if (sd->entry == &sort_mem_daddr_sym)
2308 			sort__has_sym = 1;
2309 
2310 		__sort_dimension__add(sd, list, level);
2311 		return 0;
2312 	}
2313 
2314 	if (!add_dynamic_entry(evlist, tok, level))
2315 		return 0;
2316 
2317 	return -ESRCH;
2318 }
2319 
2320 static int setup_sort_list(struct perf_hpp_list *list, char *str,
2321 			   struct perf_evlist *evlist)
2322 {
2323 	char *tmp, *tok;
2324 	int ret = 0;
2325 	int level = 0;
2326 	int next_level = 1;
2327 	bool in_group = false;
2328 
2329 	do {
2330 		tok = str;
2331 		tmp = strpbrk(str, "{}, ");
2332 		if (tmp) {
2333 			if (in_group)
2334 				next_level = level;
2335 			else
2336 				next_level = level + 1;
2337 
2338 			if (*tmp == '{')
2339 				in_group = true;
2340 			else if (*tmp == '}')
2341 				in_group = false;
2342 
2343 			*tmp = '\0';
2344 			str = tmp + 1;
2345 		}
2346 
2347 		if (*tok) {
2348 			ret = sort_dimension__add(list, tok, evlist, level);
2349 			if (ret == -EINVAL) {
2350 				error("Invalid --sort key: `%s'", tok);
2351 				break;
2352 			} else if (ret == -ESRCH) {
2353 				error("Unknown --sort key: `%s'", tok);
2354 				break;
2355 			}
2356 		}
2357 
2358 		level = next_level;
2359 	} while (tmp);
2360 
2361 	return ret;
2362 }
2363 
2364 static const char *get_default_sort_order(struct perf_evlist *evlist)
2365 {
2366 	const char *default_sort_orders[] = {
2367 		default_sort_order,
2368 		default_branch_sort_order,
2369 		default_mem_sort_order,
2370 		default_top_sort_order,
2371 		default_diff_sort_order,
2372 		default_tracepoint_sort_order,
2373 	};
2374 	bool use_trace = true;
2375 	struct perf_evsel *evsel;
2376 
2377 	BUG_ON(sort__mode >= ARRAY_SIZE(default_sort_orders));
2378 
2379 	if (evlist == NULL)
2380 		goto out_no_evlist;
2381 
2382 	evlist__for_each(evlist, evsel) {
2383 		if (evsel->attr.type != PERF_TYPE_TRACEPOINT) {
2384 			use_trace = false;
2385 			break;
2386 		}
2387 	}
2388 
2389 	if (use_trace) {
2390 		sort__mode = SORT_MODE__TRACEPOINT;
2391 		if (symbol_conf.raw_trace)
2392 			return "trace_fields";
2393 	}
2394 out_no_evlist:
2395 	return default_sort_orders[sort__mode];
2396 }
2397 
2398 static int setup_sort_order(struct perf_evlist *evlist)
2399 {
2400 	char *new_sort_order;
2401 
2402 	/*
2403 	 * Append '+'-prefixed sort order to the default sort
2404 	 * order string.
2405 	 */
2406 	if (!sort_order || is_strict_order(sort_order))
2407 		return 0;
2408 
2409 	if (sort_order[1] == '\0') {
2410 		error("Invalid --sort key: `+'");
2411 		return -EINVAL;
2412 	}
2413 
2414 	/*
2415 	 * We allocate new sort_order string, but we never free it,
2416 	 * because it's checked over the rest of the code.
2417 	 */
2418 	if (asprintf(&new_sort_order, "%s,%s",
2419 		     get_default_sort_order(evlist), sort_order + 1) < 0) {
2420 		error("Not enough memory to set up --sort");
2421 		return -ENOMEM;
2422 	}
2423 
2424 	sort_order = new_sort_order;
2425 	return 0;
2426 }
2427 
2428 /*
2429  * Adds 'pre,' prefix into 'str' is 'pre' is
2430  * not already part of 'str'.
2431  */
2432 static char *prefix_if_not_in(const char *pre, char *str)
2433 {
2434 	char *n;
2435 
2436 	if (!str || strstr(str, pre))
2437 		return str;
2438 
2439 	if (asprintf(&n, "%s,%s", pre, str) < 0)
2440 		return NULL;
2441 
2442 	free(str);
2443 	return n;
2444 }
2445 
2446 static char *setup_overhead(char *keys)
2447 {
2448 	keys = prefix_if_not_in("overhead", keys);
2449 
2450 	if (symbol_conf.cumulate_callchain)
2451 		keys = prefix_if_not_in("overhead_children", keys);
2452 
2453 	return keys;
2454 }
2455 
2456 static int __setup_sorting(struct perf_evlist *evlist)
2457 {
2458 	char *str;
2459 	const char *sort_keys;
2460 	int ret = 0;
2461 
2462 	ret = setup_sort_order(evlist);
2463 	if (ret)
2464 		return ret;
2465 
2466 	sort_keys = sort_order;
2467 	if (sort_keys == NULL) {
2468 		if (is_strict_order(field_order)) {
2469 			/*
2470 			 * If user specified field order but no sort order,
2471 			 * we'll honor it and not add default sort orders.
2472 			 */
2473 			return 0;
2474 		}
2475 
2476 		sort_keys = get_default_sort_order(evlist);
2477 	}
2478 
2479 	str = strdup(sort_keys);
2480 	if (str == NULL) {
2481 		error("Not enough memory to setup sort keys");
2482 		return -ENOMEM;
2483 	}
2484 
2485 	/*
2486 	 * Prepend overhead fields for backward compatibility.
2487 	 */
2488 	if (!is_strict_order(field_order)) {
2489 		str = setup_overhead(str);
2490 		if (str == NULL) {
2491 			error("Not enough memory to setup overhead keys");
2492 			return -ENOMEM;
2493 		}
2494 	}
2495 
2496 	ret = setup_sort_list(&perf_hpp_list, str, evlist);
2497 
2498 	free(str);
2499 	return ret;
2500 }
2501 
2502 void perf_hpp__set_elide(int idx, bool elide)
2503 {
2504 	struct perf_hpp_fmt *fmt;
2505 	struct hpp_sort_entry *hse;
2506 
2507 	perf_hpp_list__for_each_format(&perf_hpp_list, fmt) {
2508 		if (!perf_hpp__is_sort_entry(fmt))
2509 			continue;
2510 
2511 		hse = container_of(fmt, struct hpp_sort_entry, hpp);
2512 		if (hse->se->se_width_idx == idx) {
2513 			fmt->elide = elide;
2514 			break;
2515 		}
2516 	}
2517 }
2518 
2519 static bool __get_elide(struct strlist *list, const char *list_name, FILE *fp)
2520 {
2521 	if (list && strlist__nr_entries(list) == 1) {
2522 		if (fp != NULL)
2523 			fprintf(fp, "# %s: %s\n", list_name,
2524 				strlist__entry(list, 0)->s);
2525 		return true;
2526 	}
2527 	return false;
2528 }
2529 
2530 static bool get_elide(int idx, FILE *output)
2531 {
2532 	switch (idx) {
2533 	case HISTC_SYMBOL:
2534 		return __get_elide(symbol_conf.sym_list, "symbol", output);
2535 	case HISTC_DSO:
2536 		return __get_elide(symbol_conf.dso_list, "dso", output);
2537 	case HISTC_COMM:
2538 		return __get_elide(symbol_conf.comm_list, "comm", output);
2539 	default:
2540 		break;
2541 	}
2542 
2543 	if (sort__mode != SORT_MODE__BRANCH)
2544 		return false;
2545 
2546 	switch (idx) {
2547 	case HISTC_SYMBOL_FROM:
2548 		return __get_elide(symbol_conf.sym_from_list, "sym_from", output);
2549 	case HISTC_SYMBOL_TO:
2550 		return __get_elide(symbol_conf.sym_to_list, "sym_to", output);
2551 	case HISTC_DSO_FROM:
2552 		return __get_elide(symbol_conf.dso_from_list, "dso_from", output);
2553 	case HISTC_DSO_TO:
2554 		return __get_elide(symbol_conf.dso_to_list, "dso_to", output);
2555 	default:
2556 		break;
2557 	}
2558 
2559 	return false;
2560 }
2561 
2562 void sort__setup_elide(FILE *output)
2563 {
2564 	struct perf_hpp_fmt *fmt;
2565 	struct hpp_sort_entry *hse;
2566 
2567 	perf_hpp_list__for_each_format(&perf_hpp_list, fmt) {
2568 		if (!perf_hpp__is_sort_entry(fmt))
2569 			continue;
2570 
2571 		hse = container_of(fmt, struct hpp_sort_entry, hpp);
2572 		fmt->elide = get_elide(hse->se->se_width_idx, output);
2573 	}
2574 
2575 	/*
2576 	 * It makes no sense to elide all of sort entries.
2577 	 * Just revert them to show up again.
2578 	 */
2579 	perf_hpp_list__for_each_format(&perf_hpp_list, fmt) {
2580 		if (!perf_hpp__is_sort_entry(fmt))
2581 			continue;
2582 
2583 		if (!fmt->elide)
2584 			return;
2585 	}
2586 
2587 	perf_hpp_list__for_each_format(&perf_hpp_list, fmt) {
2588 		if (!perf_hpp__is_sort_entry(fmt))
2589 			continue;
2590 
2591 		fmt->elide = false;
2592 	}
2593 }
2594 
2595 static int output_field_add(struct perf_hpp_list *list, char *tok)
2596 {
2597 	unsigned int i;
2598 
2599 	for (i = 0; i < ARRAY_SIZE(common_sort_dimensions); i++) {
2600 		struct sort_dimension *sd = &common_sort_dimensions[i];
2601 
2602 		if (strncasecmp(tok, sd->name, strlen(tok)))
2603 			continue;
2604 
2605 		return __sort_dimension__add_output(list, sd);
2606 	}
2607 
2608 	for (i = 0; i < ARRAY_SIZE(hpp_sort_dimensions); i++) {
2609 		struct hpp_dimension *hd = &hpp_sort_dimensions[i];
2610 
2611 		if (strncasecmp(tok, hd->name, strlen(tok)))
2612 			continue;
2613 
2614 		return __hpp_dimension__add_output(list, hd);
2615 	}
2616 
2617 	for (i = 0; i < ARRAY_SIZE(bstack_sort_dimensions); i++) {
2618 		struct sort_dimension *sd = &bstack_sort_dimensions[i];
2619 
2620 		if (strncasecmp(tok, sd->name, strlen(tok)))
2621 			continue;
2622 
2623 		return __sort_dimension__add_output(list, sd);
2624 	}
2625 
2626 	for (i = 0; i < ARRAY_SIZE(memory_sort_dimensions); i++) {
2627 		struct sort_dimension *sd = &memory_sort_dimensions[i];
2628 
2629 		if (strncasecmp(tok, sd->name, strlen(tok)))
2630 			continue;
2631 
2632 		return __sort_dimension__add_output(list, sd);
2633 	}
2634 
2635 	return -ESRCH;
2636 }
2637 
2638 static int setup_output_list(struct perf_hpp_list *list, char *str)
2639 {
2640 	char *tmp, *tok;
2641 	int ret = 0;
2642 
2643 	for (tok = strtok_r(str, ", ", &tmp);
2644 			tok; tok = strtok_r(NULL, ", ", &tmp)) {
2645 		ret = output_field_add(list, tok);
2646 		if (ret == -EINVAL) {
2647 			error("Invalid --fields key: `%s'", tok);
2648 			break;
2649 		} else if (ret == -ESRCH) {
2650 			error("Unknown --fields key: `%s'", tok);
2651 			break;
2652 		}
2653 	}
2654 
2655 	return ret;
2656 }
2657 
2658 static void reset_dimensions(void)
2659 {
2660 	unsigned int i;
2661 
2662 	for (i = 0; i < ARRAY_SIZE(common_sort_dimensions); i++)
2663 		common_sort_dimensions[i].taken = 0;
2664 
2665 	for (i = 0; i < ARRAY_SIZE(hpp_sort_dimensions); i++)
2666 		hpp_sort_dimensions[i].taken = 0;
2667 
2668 	for (i = 0; i < ARRAY_SIZE(bstack_sort_dimensions); i++)
2669 		bstack_sort_dimensions[i].taken = 0;
2670 
2671 	for (i = 0; i < ARRAY_SIZE(memory_sort_dimensions); i++)
2672 		memory_sort_dimensions[i].taken = 0;
2673 }
2674 
2675 bool is_strict_order(const char *order)
2676 {
2677 	return order && (*order != '+');
2678 }
2679 
2680 static int __setup_output_field(void)
2681 {
2682 	char *str, *strp;
2683 	int ret = -EINVAL;
2684 
2685 	if (field_order == NULL)
2686 		return 0;
2687 
2688 	strp = str = strdup(field_order);
2689 	if (str == NULL) {
2690 		error("Not enough memory to setup output fields");
2691 		return -ENOMEM;
2692 	}
2693 
2694 	if (!is_strict_order(field_order))
2695 		strp++;
2696 
2697 	if (!strlen(strp)) {
2698 		error("Invalid --fields key: `+'");
2699 		goto out;
2700 	}
2701 
2702 	ret = setup_output_list(&perf_hpp_list, strp);
2703 
2704 out:
2705 	free(str);
2706 	return ret;
2707 }
2708 
2709 int setup_sorting(struct perf_evlist *evlist)
2710 {
2711 	int err;
2712 
2713 	err = __setup_sorting(evlist);
2714 	if (err < 0)
2715 		return err;
2716 
2717 	if (parent_pattern != default_parent_pattern) {
2718 		err = sort_dimension__add(&perf_hpp_list, "parent", evlist, -1);
2719 		if (err < 0)
2720 			return err;
2721 	}
2722 
2723 	reset_dimensions();
2724 
2725 	/*
2726 	 * perf diff doesn't use default hpp output fields.
2727 	 */
2728 	if (sort__mode != SORT_MODE__DIFF)
2729 		perf_hpp__init();
2730 
2731 	err = __setup_output_field();
2732 	if (err < 0)
2733 		return err;
2734 
2735 	/* copy sort keys to output fields */
2736 	perf_hpp__setup_output_field(&perf_hpp_list);
2737 	/* and then copy output fields to sort keys */
2738 	perf_hpp__append_sort_keys(&perf_hpp_list);
2739 
2740 	/* setup hists-specific output fields */
2741 	if (perf_hpp__setup_hists_formats(&perf_hpp_list, evlist) < 0)
2742 		return -1;
2743 
2744 	return 0;
2745 }
2746 
2747 void reset_output_field(void)
2748 {
2749 	sort__need_collapse = 0;
2750 	sort__has_parent = 0;
2751 	sort__has_sym = 0;
2752 	sort__has_dso = 0;
2753 
2754 	field_order = NULL;
2755 	sort_order = NULL;
2756 
2757 	reset_dimensions();
2758 	perf_hpp__reset_output_field(&perf_hpp_list);
2759 }
2760