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v5.4
   1// SPDX-License-Identifier: GPL-2.0
   2#include <errno.h>
   3#include <inttypes.h>
   4#include <regex.h>
   5#include <stdlib.h>
   6#include <linux/mman.h>
   7#include <linux/time64.h>
   8#include "debug.h"
   9#include "dso.h"
  10#include "sort.h"
  11#include "hist.h"
  12#include "cacheline.h"
  13#include "comm.h"
  14#include "map.h"
 
  15#include "symbol.h"
  16#include "map_symbol.h"
  17#include "branch.h"
  18#include "thread.h"
  19#include "evsel.h"
  20#include "evlist.h"
  21#include "srcline.h"
  22#include "strlist.h"
  23#include "strbuf.h"
  24#include <traceevent/event-parse.h>
  25#include "mem-events.h"
  26#include "annotate.h"
 
  27#include "time-utils.h"
 
 
  28#include <linux/kernel.h>
  29#include <linux/string.h>
  30
 
 
 
 
  31regex_t		parent_regex;
  32const char	default_parent_pattern[] = "^sys_|^do_page_fault";
  33const char	*parent_pattern = default_parent_pattern;
  34const char	*default_sort_order = "comm,dso,symbol";
  35const char	default_branch_sort_order[] = "comm,dso_from,symbol_from,symbol_to,cycles";
  36const char	default_mem_sort_order[] = "local_weight,mem,sym,dso,symbol_daddr,dso_daddr,snoop,tlb,locked";
  37const char	default_top_sort_order[] = "dso,symbol";
  38const char	default_diff_sort_order[] = "dso,symbol";
  39const char	default_tracepoint_sort_order[] = "trace";
  40const char	*sort_order;
  41const char	*field_order;
  42regex_t		ignore_callees_regex;
  43int		have_ignore_callees = 0;
  44enum sort_mode	sort__mode = SORT_MODE__NORMAL;
 
 
  45
  46/*
  47 * Replaces all occurrences of a char used with the:
  48 *
  49 * -t, --field-separator
  50 *
  51 * option, that uses a special separator character and don't pad with spaces,
  52 * replacing all occurrences of this separator in symbol names (and other
  53 * output) with a '.' character, that thus it's the only non valid separator.
  54*/
  55static int repsep_snprintf(char *bf, size_t size, const char *fmt, ...)
  56{
  57	int n;
  58	va_list ap;
  59
  60	va_start(ap, fmt);
  61	n = vsnprintf(bf, size, fmt, ap);
  62	if (symbol_conf.field_sep && n > 0) {
  63		char *sep = bf;
  64
  65		while (1) {
  66			sep = strchr(sep, *symbol_conf.field_sep);
  67			if (sep == NULL)
  68				break;
  69			*sep = '.';
  70		}
  71	}
  72	va_end(ap);
  73
  74	if (n >= (int)size)
  75		return size - 1;
  76	return n;
  77}
  78
  79static int64_t cmp_null(const void *l, const void *r)
  80{
  81	if (!l && !r)
  82		return 0;
  83	else if (!l)
  84		return -1;
  85	else
  86		return 1;
  87}
  88
  89/* --sort pid */
  90
  91static int64_t
  92sort__thread_cmp(struct hist_entry *left, struct hist_entry *right)
  93{
  94	return right->thread->tid - left->thread->tid;
  95}
  96
  97static int hist_entry__thread_snprintf(struct hist_entry *he, char *bf,
  98				       size_t size, unsigned int width)
  99{
 100	const char *comm = thread__comm_str(he->thread);
 101
 102	width = max(7U, width) - 8;
 103	return repsep_snprintf(bf, size, "%7d:%-*.*s", he->thread->tid,
 104			       width, width, comm ?: "");
 105}
 106
 107static int hist_entry__thread_filter(struct hist_entry *he, int type, const void *arg)
 108{
 109	const struct thread *th = arg;
 110
 111	if (type != HIST_FILTER__THREAD)
 112		return -1;
 113
 114	return th && he->thread != th;
 115}
 116
 117struct sort_entry sort_thread = {
 118	.se_header	= "    Pid:Command",
 119	.se_cmp		= sort__thread_cmp,
 120	.se_snprintf	= hist_entry__thread_snprintf,
 121	.se_filter	= hist_entry__thread_filter,
 122	.se_width_idx	= HISTC_THREAD,
 123};
 124
 125/* --sort comm */
 126
 127/*
 128 * We can't use pointer comparison in functions below,
 129 * because it gives different results based on pointer
 130 * values, which could break some sorting assumptions.
 131 */
 132static int64_t
 133sort__comm_cmp(struct hist_entry *left, struct hist_entry *right)
 134{
 135	return strcmp(comm__str(right->comm), comm__str(left->comm));
 136}
 137
 138static int64_t
 139sort__comm_collapse(struct hist_entry *left, struct hist_entry *right)
 140{
 141	return strcmp(comm__str(right->comm), comm__str(left->comm));
 142}
 143
 144static int64_t
 145sort__comm_sort(struct hist_entry *left, struct hist_entry *right)
 146{
 147	return strcmp(comm__str(right->comm), comm__str(left->comm));
 148}
 149
 150static int hist_entry__comm_snprintf(struct hist_entry *he, char *bf,
 151				     size_t size, unsigned int width)
 152{
 153	return repsep_snprintf(bf, size, "%-*.*s", width, width, comm__str(he->comm));
 154}
 155
 156struct sort_entry sort_comm = {
 157	.se_header	= "Command",
 158	.se_cmp		= sort__comm_cmp,
 159	.se_collapse	= sort__comm_collapse,
 160	.se_sort	= sort__comm_sort,
 161	.se_snprintf	= hist_entry__comm_snprintf,
 162	.se_filter	= hist_entry__thread_filter,
 163	.se_width_idx	= HISTC_COMM,
 164};
 165
 166/* --sort dso */
 167
 168static int64_t _sort__dso_cmp(struct map *map_l, struct map *map_r)
 169{
 170	struct dso *dso_l = map_l ? map_l->dso : NULL;
 171	struct dso *dso_r = map_r ? map_r->dso : NULL;
 172	const char *dso_name_l, *dso_name_r;
 173
 174	if (!dso_l || !dso_r)
 175		return cmp_null(dso_r, dso_l);
 176
 177	if (verbose > 0) {
 178		dso_name_l = dso_l->long_name;
 179		dso_name_r = dso_r->long_name;
 180	} else {
 181		dso_name_l = dso_l->short_name;
 182		dso_name_r = dso_r->short_name;
 183	}
 184
 185	return strcmp(dso_name_l, dso_name_r);
 186}
 187
 188static int64_t
 189sort__dso_cmp(struct hist_entry *left, struct hist_entry *right)
 190{
 191	return _sort__dso_cmp(right->ms.map, left->ms.map);
 192}
 193
 194static int _hist_entry__dso_snprintf(struct map *map, char *bf,
 195				     size_t size, unsigned int width)
 196{
 197	if (map && map->dso) {
 198		const char *dso_name = verbose > 0 ? map->dso->long_name :
 199			map->dso->short_name;
 200		return repsep_snprintf(bf, size, "%-*.*s", width, width, dso_name);
 201	}
 202
 203	return repsep_snprintf(bf, size, "%-*.*s", width, width, "[unknown]");
 204}
 205
 206static int hist_entry__dso_snprintf(struct hist_entry *he, char *bf,
 207				    size_t size, unsigned int width)
 208{
 209	return _hist_entry__dso_snprintf(he->ms.map, bf, size, width);
 210}
 211
 212static int hist_entry__dso_filter(struct hist_entry *he, int type, const void *arg)
 213{
 214	const struct dso *dso = arg;
 215
 216	if (type != HIST_FILTER__DSO)
 217		return -1;
 218
 219	return dso && (!he->ms.map || he->ms.map->dso != dso);
 220}
 221
 222struct sort_entry sort_dso = {
 223	.se_header	= "Shared Object",
 224	.se_cmp		= sort__dso_cmp,
 225	.se_snprintf	= hist_entry__dso_snprintf,
 226	.se_filter	= hist_entry__dso_filter,
 227	.se_width_idx	= HISTC_DSO,
 228};
 229
 230/* --sort symbol */
 231
 232static int64_t _sort__addr_cmp(u64 left_ip, u64 right_ip)
 233{
 234	return (int64_t)(right_ip - left_ip);
 235}
 236
 237static int64_t _sort__sym_cmp(struct symbol *sym_l, struct symbol *sym_r)
 238{
 239	if (!sym_l || !sym_r)
 240		return cmp_null(sym_l, sym_r);
 241
 242	if (sym_l == sym_r)
 243		return 0;
 244
 245	if (sym_l->inlined || sym_r->inlined) {
 246		int ret = strcmp(sym_l->name, sym_r->name);
 247
 248		if (ret)
 249			return ret;
 250		if ((sym_l->start <= sym_r->end) && (sym_l->end >= sym_r->start))
 251			return 0;
 252	}
 253
 254	if (sym_l->start != sym_r->start)
 255		return (int64_t)(sym_r->start - sym_l->start);
 256
 257	return (int64_t)(sym_r->end - sym_l->end);
 258}
 259
 260static int64_t
 261sort__sym_cmp(struct hist_entry *left, struct hist_entry *right)
 262{
 263	int64_t ret;
 264
 265	if (!left->ms.sym && !right->ms.sym)
 266		return _sort__addr_cmp(left->ip, right->ip);
 267
 268	/*
 269	 * comparing symbol address alone is not enough since it's a
 270	 * relative address within a dso.
 271	 */
 272	if (!hists__has(left->hists, dso) || hists__has(right->hists, dso)) {
 273		ret = sort__dso_cmp(left, right);
 274		if (ret != 0)
 275			return ret;
 276	}
 277
 278	return _sort__sym_cmp(left->ms.sym, right->ms.sym);
 279}
 280
 281static int64_t
 282sort__sym_sort(struct hist_entry *left, struct hist_entry *right)
 283{
 284	if (!left->ms.sym || !right->ms.sym)
 285		return cmp_null(left->ms.sym, right->ms.sym);
 286
 287	return strcmp(right->ms.sym->name, left->ms.sym->name);
 288}
 289
 290static int _hist_entry__sym_snprintf(struct map *map, struct symbol *sym,
 291				     u64 ip, char level, char *bf, size_t size,
 292				     unsigned int width)
 293{
 
 
 294	size_t ret = 0;
 295
 296	if (verbose > 0) {
 297		char o = map ? dso__symtab_origin(map->dso) : '!';
 
 
 
 
 
 
 298		ret += repsep_snprintf(bf, size, "%-#*llx %c ",
 299				       BITS_PER_LONG / 4 + 2, ip, o);
 300	}
 301
 302	ret += repsep_snprintf(bf + ret, size - ret, "[%c] ", level);
 303	if (sym && map) {
 304		if (sym->type == STT_OBJECT) {
 305			ret += repsep_snprintf(bf + ret, size - ret, "%s", sym->name);
 306			ret += repsep_snprintf(bf + ret, size - ret, "+0x%llx",
 307					ip - map->unmap_ip(map, sym->start));
 308		} else {
 309			ret += repsep_snprintf(bf + ret, size - ret, "%.*s",
 310					       width - ret,
 311					       sym->name);
 312			if (sym->inlined)
 313				ret += repsep_snprintf(bf + ret, size - ret,
 314						       " (inlined)");
 315		}
 316	} else {
 317		size_t len = BITS_PER_LONG / 4;
 318		ret += repsep_snprintf(bf + ret, size - ret, "%-#.*llx",
 319				       len, ip);
 320	}
 321
 322	return ret;
 323}
 324
 325static int hist_entry__sym_snprintf(struct hist_entry *he, char *bf,
 326				    size_t size, unsigned int width)
 327{
 328	return _hist_entry__sym_snprintf(he->ms.map, he->ms.sym, he->ip,
 329					 he->level, bf, size, width);
 330}
 331
 332static int hist_entry__sym_filter(struct hist_entry *he, int type, const void *arg)
 333{
 334	const char *sym = arg;
 335
 336	if (type != HIST_FILTER__SYMBOL)
 337		return -1;
 338
 339	return sym && (!he->ms.sym || !strstr(he->ms.sym->name, sym));
 340}
 341
 342struct sort_entry sort_sym = {
 343	.se_header	= "Symbol",
 344	.se_cmp		= sort__sym_cmp,
 345	.se_sort	= sort__sym_sort,
 346	.se_snprintf	= hist_entry__sym_snprintf,
 347	.se_filter	= hist_entry__sym_filter,
 348	.se_width_idx	= HISTC_SYMBOL,
 349};
 350
 351/* --sort srcline */
 352
 353char *hist_entry__srcline(struct hist_entry *he)
 354{
 355	return map__srcline(he->ms.map, he->ip, he->ms.sym);
 356}
 357
 358static int64_t
 359sort__srcline_cmp(struct hist_entry *left, struct hist_entry *right)
 360{
 
 
 
 
 
 
 
 
 
 
 
 
 361	if (!left->srcline)
 362		left->srcline = hist_entry__srcline(left);
 363	if (!right->srcline)
 364		right->srcline = hist_entry__srcline(right);
 365
 366	return strcmp(right->srcline, left->srcline);
 367}
 368
 369static int hist_entry__srcline_snprintf(struct hist_entry *he, char *bf,
 370					size_t size, unsigned int width)
 
 
 
 
 
 
 371{
 372	if (!he->srcline)
 373		he->srcline = hist_entry__srcline(he);
 
 374
 
 
 
 375	return repsep_snprintf(bf, size, "%-.*s", width, he->srcline);
 376}
 377
 378struct sort_entry sort_srcline = {
 379	.se_header	= "Source:Line",
 380	.se_cmp		= sort__srcline_cmp,
 
 
 
 381	.se_snprintf	= hist_entry__srcline_snprintf,
 382	.se_width_idx	= HISTC_SRCLINE,
 383};
 384
 385/* --sort srcline_from */
 386
 387static char *addr_map_symbol__srcline(struct addr_map_symbol *ams)
 388{
 389	return map__srcline(ams->map, ams->al_addr, ams->sym);
 390}
 391
 392static int64_t
 393sort__srcline_from_cmp(struct hist_entry *left, struct hist_entry *right)
 394{
 
 
 
 
 
 
 395	if (!left->branch_info->srcline_from)
 396		left->branch_info->srcline_from = addr_map_symbol__srcline(&left->branch_info->from);
 397
 398	if (!right->branch_info->srcline_from)
 399		right->branch_info->srcline_from = addr_map_symbol__srcline(&right->branch_info->from);
 400
 401	return strcmp(right->branch_info->srcline_from, left->branch_info->srcline_from);
 402}
 403
 
 
 
 
 
 
 
 
 
 
 
 
 404static int hist_entry__srcline_from_snprintf(struct hist_entry *he, char *bf,
 405					size_t size, unsigned int width)
 406{
 407	return repsep_snprintf(bf, size, "%-*.*s", width, width, he->branch_info->srcline_from);
 408}
 409
 410struct sort_entry sort_srcline_from = {
 411	.se_header	= "From Source:Line",
 412	.se_cmp		= sort__srcline_from_cmp,
 
 
 
 413	.se_snprintf	= hist_entry__srcline_from_snprintf,
 414	.se_width_idx	= HISTC_SRCLINE_FROM,
 415};
 416
 417/* --sort srcline_to */
 418
 419static int64_t
 420sort__srcline_to_cmp(struct hist_entry *left, struct hist_entry *right)
 421{
 
 
 
 
 
 
 422	if (!left->branch_info->srcline_to)
 423		left->branch_info->srcline_to = addr_map_symbol__srcline(&left->branch_info->to);
 424
 425	if (!right->branch_info->srcline_to)
 426		right->branch_info->srcline_to = addr_map_symbol__srcline(&right->branch_info->to);
 427
 428	return strcmp(right->branch_info->srcline_to, left->branch_info->srcline_to);
 429}
 430
 
 
 
 
 
 
 
 
 
 
 
 
 431static int hist_entry__srcline_to_snprintf(struct hist_entry *he, char *bf,
 432					size_t size, unsigned int width)
 433{
 434	return repsep_snprintf(bf, size, "%-*.*s", width, width, he->branch_info->srcline_to);
 435}
 436
 437struct sort_entry sort_srcline_to = {
 438	.se_header	= "To Source:Line",
 439	.se_cmp		= sort__srcline_to_cmp,
 
 
 
 440	.se_snprintf	= hist_entry__srcline_to_snprintf,
 441	.se_width_idx	= HISTC_SRCLINE_TO,
 442};
 443
 444static int hist_entry__sym_ipc_snprintf(struct hist_entry *he, char *bf,
 445					size_t size, unsigned int width)
 446{
 447
 448	struct symbol *sym = he->ms.sym;
 449	struct annotation *notes;
 450	double ipc = 0.0, coverage = 0.0;
 451	char tmp[64];
 452
 453	if (!sym)
 454		return repsep_snprintf(bf, size, "%-*s", width, "-");
 455
 456	notes = symbol__annotation(sym);
 457
 458	if (notes->hit_cycles)
 459		ipc = notes->hit_insn / ((double)notes->hit_cycles);
 460
 461	if (notes->total_insn) {
 462		coverage = notes->cover_insn * 100.0 /
 463			((double)notes->total_insn);
 464	}
 465
 466	snprintf(tmp, sizeof(tmp), "%-5.2f [%5.1f%%]", ipc, coverage);
 467	return repsep_snprintf(bf, size, "%-*s", width, tmp);
 468}
 469
 470struct sort_entry sort_sym_ipc = {
 471	.se_header	= "IPC   [IPC Coverage]",
 472	.se_cmp		= sort__sym_cmp,
 473	.se_snprintf	= hist_entry__sym_ipc_snprintf,
 474	.se_width_idx	= HISTC_SYMBOL_IPC,
 475};
 476
 477static int hist_entry__sym_ipc_null_snprintf(struct hist_entry *he
 478					     __maybe_unused,
 479					     char *bf, size_t size,
 480					     unsigned int width)
 481{
 482	char tmp[64];
 483
 484	snprintf(tmp, sizeof(tmp), "%-5s %2s", "-", "-");
 485	return repsep_snprintf(bf, size, "%-*s", width, tmp);
 486}
 487
 488struct sort_entry sort_sym_ipc_null = {
 489	.se_header	= "IPC   [IPC Coverage]",
 490	.se_cmp		= sort__sym_cmp,
 491	.se_snprintf	= hist_entry__sym_ipc_null_snprintf,
 492	.se_width_idx	= HISTC_SYMBOL_IPC,
 493};
 494
 495/* --sort srcfile */
 496
 497static char no_srcfile[1];
 498
 499static char *hist_entry__get_srcfile(struct hist_entry *e)
 500{
 501	char *sf, *p;
 502	struct map *map = e->ms.map;
 503
 504	if (!map)
 505		return no_srcfile;
 506
 507	sf = __get_srcline(map->dso, map__rip_2objdump(map, e->ip),
 508			 e->ms.sym, false, true, true, e->ip);
 509	if (!strcmp(sf, SRCLINE_UNKNOWN))
 510		return no_srcfile;
 511	p = strchr(sf, ':');
 512	if (p && *sf) {
 513		*p = 0;
 514		return sf;
 515	}
 516	free(sf);
 517	return no_srcfile;
 518}
 519
 520static int64_t
 521sort__srcfile_cmp(struct hist_entry *left, struct hist_entry *right)
 522{
 523	if (!left->srcfile)
 524		left->srcfile = hist_entry__get_srcfile(left);
 525	if (!right->srcfile)
 526		right->srcfile = hist_entry__get_srcfile(right);
 527
 528	return strcmp(right->srcfile, left->srcfile);
 529}
 530
 531static int hist_entry__srcfile_snprintf(struct hist_entry *he, char *bf,
 532					size_t size, unsigned int width)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 533{
 534	if (!he->srcfile)
 535		he->srcfile = hist_entry__get_srcfile(he);
 
 536
 
 
 
 537	return repsep_snprintf(bf, size, "%-.*s", width, he->srcfile);
 538}
 539
 540struct sort_entry sort_srcfile = {
 541	.se_header	= "Source File",
 542	.se_cmp		= sort__srcfile_cmp,
 
 
 
 543	.se_snprintf	= hist_entry__srcfile_snprintf,
 544	.se_width_idx	= HISTC_SRCFILE,
 545};
 546
 547/* --sort parent */
 548
 549static int64_t
 550sort__parent_cmp(struct hist_entry *left, struct hist_entry *right)
 551{
 552	struct symbol *sym_l = left->parent;
 553	struct symbol *sym_r = right->parent;
 554
 555	if (!sym_l || !sym_r)
 556		return cmp_null(sym_l, sym_r);
 557
 558	return strcmp(sym_r->name, sym_l->name);
 559}
 560
 561static int hist_entry__parent_snprintf(struct hist_entry *he, char *bf,
 562				       size_t size, unsigned int width)
 563{
 564	return repsep_snprintf(bf, size, "%-*.*s", width, width,
 565			      he->parent ? he->parent->name : "[other]");
 566}
 567
 568struct sort_entry sort_parent = {
 569	.se_header	= "Parent symbol",
 570	.se_cmp		= sort__parent_cmp,
 571	.se_snprintf	= hist_entry__parent_snprintf,
 572	.se_width_idx	= HISTC_PARENT,
 573};
 574
 575/* --sort cpu */
 576
 577static int64_t
 578sort__cpu_cmp(struct hist_entry *left, struct hist_entry *right)
 579{
 580	return right->cpu - left->cpu;
 581}
 582
 583static int hist_entry__cpu_snprintf(struct hist_entry *he, char *bf,
 584				    size_t size, unsigned int width)
 585{
 586	return repsep_snprintf(bf, size, "%*.*d", width, width, he->cpu);
 587}
 588
 589struct sort_entry sort_cpu = {
 590	.se_header      = "CPU",
 591	.se_cmp	        = sort__cpu_cmp,
 592	.se_snprintf    = hist_entry__cpu_snprintf,
 593	.se_width_idx	= HISTC_CPU,
 594};
 595
 596/* --sort cgroup_id */
 597
 598static int64_t _sort__cgroup_dev_cmp(u64 left_dev, u64 right_dev)
 599{
 600	return (int64_t)(right_dev - left_dev);
 601}
 602
 603static int64_t _sort__cgroup_inode_cmp(u64 left_ino, u64 right_ino)
 604{
 605	return (int64_t)(right_ino - left_ino);
 606}
 607
 608static int64_t
 609sort__cgroup_id_cmp(struct hist_entry *left, struct hist_entry *right)
 610{
 611	int64_t ret;
 612
 613	ret = _sort__cgroup_dev_cmp(right->cgroup_id.dev, left->cgroup_id.dev);
 614	if (ret != 0)
 615		return ret;
 616
 617	return _sort__cgroup_inode_cmp(right->cgroup_id.ino,
 618				       left->cgroup_id.ino);
 619}
 620
 621static int hist_entry__cgroup_id_snprintf(struct hist_entry *he,
 622					  char *bf, size_t size,
 623					  unsigned int width __maybe_unused)
 624{
 625	return repsep_snprintf(bf, size, "%lu/0x%lx", he->cgroup_id.dev,
 626			       he->cgroup_id.ino);
 627}
 628
 629struct sort_entry sort_cgroup_id = {
 630	.se_header      = "cgroup id (dev/inode)",
 631	.se_cmp	        = sort__cgroup_id_cmp,
 632	.se_snprintf    = hist_entry__cgroup_id_snprintf,
 633	.se_width_idx	= HISTC_CGROUP_ID,
 634};
 635
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 636/* --sort socket */
 637
 638static int64_t
 639sort__socket_cmp(struct hist_entry *left, struct hist_entry *right)
 640{
 641	return right->socket - left->socket;
 642}
 643
 644static int hist_entry__socket_snprintf(struct hist_entry *he, char *bf,
 645				    size_t size, unsigned int width)
 646{
 647	return repsep_snprintf(bf, size, "%*.*d", width, width-3, he->socket);
 648}
 649
 650static int hist_entry__socket_filter(struct hist_entry *he, int type, const void *arg)
 651{
 652	int sk = *(const int *)arg;
 653
 654	if (type != HIST_FILTER__SOCKET)
 655		return -1;
 656
 657	return sk >= 0 && he->socket != sk;
 658}
 659
 660struct sort_entry sort_socket = {
 661	.se_header      = "Socket",
 662	.se_cmp	        = sort__socket_cmp,
 663	.se_snprintf    = hist_entry__socket_snprintf,
 664	.se_filter      = hist_entry__socket_filter,
 665	.se_width_idx	= HISTC_SOCKET,
 666};
 667
 668/* --sort time */
 669
 670static int64_t
 671sort__time_cmp(struct hist_entry *left, struct hist_entry *right)
 672{
 673	return right->time - left->time;
 674}
 675
 676static int hist_entry__time_snprintf(struct hist_entry *he, char *bf,
 677				    size_t size, unsigned int width)
 678{
 679	char he_time[32];
 680
 681	if (symbol_conf.nanosecs)
 682		timestamp__scnprintf_nsec(he->time, he_time,
 683					  sizeof(he_time));
 684	else
 685		timestamp__scnprintf_usec(he->time, he_time,
 686					  sizeof(he_time));
 687
 688	return repsep_snprintf(bf, size, "%-.*s", width, he_time);
 689}
 690
 691struct sort_entry sort_time = {
 692	.se_header      = "Time",
 693	.se_cmp	        = sort__time_cmp,
 694	.se_snprintf    = hist_entry__time_snprintf,
 695	.se_width_idx	= HISTC_TIME,
 696};
 697
 698/* --sort trace */
 699
 
 700static char *get_trace_output(struct hist_entry *he)
 701{
 702	struct trace_seq seq;
 703	struct evsel *evsel;
 704	struct tep_record rec = {
 705		.data = he->raw_data,
 706		.size = he->raw_size,
 707	};
 708
 709	evsel = hists_to_evsel(he->hists);
 710
 711	trace_seq_init(&seq);
 712	if (symbol_conf.raw_trace) {
 713		tep_print_fields(&seq, he->raw_data, he->raw_size,
 714				 evsel->tp_format);
 715	} else {
 716		tep_print_event(evsel->tp_format->tep,
 717				&seq, &rec, "%s", TEP_PRINT_INFO);
 718	}
 719	/*
 720	 * Trim the buffer, it starts at 4KB and we're not going to
 721	 * add anything more to this buffer.
 722	 */
 723	return realloc(seq.buffer, seq.len + 1);
 724}
 725
 726static int64_t
 727sort__trace_cmp(struct hist_entry *left, struct hist_entry *right)
 728{
 729	struct evsel *evsel;
 730
 731	evsel = hists_to_evsel(left->hists);
 732	if (evsel->core.attr.type != PERF_TYPE_TRACEPOINT)
 733		return 0;
 734
 735	if (left->trace_output == NULL)
 736		left->trace_output = get_trace_output(left);
 737	if (right->trace_output == NULL)
 738		right->trace_output = get_trace_output(right);
 739
 740	return strcmp(right->trace_output, left->trace_output);
 741}
 742
 743static int hist_entry__trace_snprintf(struct hist_entry *he, char *bf,
 744				    size_t size, unsigned int width)
 745{
 746	struct evsel *evsel;
 747
 748	evsel = hists_to_evsel(he->hists);
 749	if (evsel->core.attr.type != PERF_TYPE_TRACEPOINT)
 750		return scnprintf(bf, size, "%-.*s", width, "N/A");
 751
 752	if (he->trace_output == NULL)
 753		he->trace_output = get_trace_output(he);
 754	return repsep_snprintf(bf, size, "%-.*s", width, he->trace_output);
 755}
 756
 757struct sort_entry sort_trace = {
 758	.se_header      = "Trace output",
 759	.se_cmp	        = sort__trace_cmp,
 760	.se_snprintf    = hist_entry__trace_snprintf,
 761	.se_width_idx	= HISTC_TRACE,
 762};
 
 763
 764/* sort keys for branch stacks */
 765
 766static int64_t
 767sort__dso_from_cmp(struct hist_entry *left, struct hist_entry *right)
 768{
 769	if (!left->branch_info || !right->branch_info)
 770		return cmp_null(left->branch_info, right->branch_info);
 771
 772	return _sort__dso_cmp(left->branch_info->from.map,
 773			      right->branch_info->from.map);
 774}
 775
 776static int hist_entry__dso_from_snprintf(struct hist_entry *he, char *bf,
 777				    size_t size, unsigned int width)
 778{
 779	if (he->branch_info)
 780		return _hist_entry__dso_snprintf(he->branch_info->from.map,
 781						 bf, size, width);
 782	else
 783		return repsep_snprintf(bf, size, "%-*.*s", width, width, "N/A");
 784}
 785
 786static int hist_entry__dso_from_filter(struct hist_entry *he, int type,
 787				       const void *arg)
 788{
 789	const struct dso *dso = arg;
 790
 791	if (type != HIST_FILTER__DSO)
 792		return -1;
 793
 794	return dso && (!he->branch_info || !he->branch_info->from.map ||
 795		       he->branch_info->from.map->dso != dso);
 796}
 797
 798static int64_t
 799sort__dso_to_cmp(struct hist_entry *left, struct hist_entry *right)
 800{
 801	if (!left->branch_info || !right->branch_info)
 802		return cmp_null(left->branch_info, right->branch_info);
 803
 804	return _sort__dso_cmp(left->branch_info->to.map,
 805			      right->branch_info->to.map);
 806}
 807
 808static int hist_entry__dso_to_snprintf(struct hist_entry *he, char *bf,
 809				       size_t size, unsigned int width)
 810{
 811	if (he->branch_info)
 812		return _hist_entry__dso_snprintf(he->branch_info->to.map,
 813						 bf, size, width);
 814	else
 815		return repsep_snprintf(bf, size, "%-*.*s", width, width, "N/A");
 816}
 817
 818static int hist_entry__dso_to_filter(struct hist_entry *he, int type,
 819				     const void *arg)
 820{
 821	const struct dso *dso = arg;
 822
 823	if (type != HIST_FILTER__DSO)
 824		return -1;
 825
 826	return dso && (!he->branch_info || !he->branch_info->to.map ||
 827		       he->branch_info->to.map->dso != dso);
 828}
 829
 830static int64_t
 831sort__sym_from_cmp(struct hist_entry *left, struct hist_entry *right)
 832{
 833	struct addr_map_symbol *from_l = &left->branch_info->from;
 834	struct addr_map_symbol *from_r = &right->branch_info->from;
 835
 836	if (!left->branch_info || !right->branch_info)
 837		return cmp_null(left->branch_info, right->branch_info);
 838
 839	from_l = &left->branch_info->from;
 840	from_r = &right->branch_info->from;
 841
 842	if (!from_l->sym && !from_r->sym)
 843		return _sort__addr_cmp(from_l->addr, from_r->addr);
 844
 845	return _sort__sym_cmp(from_l->sym, from_r->sym);
 846}
 847
 848static int64_t
 849sort__sym_to_cmp(struct hist_entry *left, struct hist_entry *right)
 850{
 851	struct addr_map_symbol *to_l, *to_r;
 852
 853	if (!left->branch_info || !right->branch_info)
 854		return cmp_null(left->branch_info, right->branch_info);
 855
 856	to_l = &left->branch_info->to;
 857	to_r = &right->branch_info->to;
 858
 859	if (!to_l->sym && !to_r->sym)
 860		return _sort__addr_cmp(to_l->addr, to_r->addr);
 861
 862	return _sort__sym_cmp(to_l->sym, to_r->sym);
 863}
 864
 865static int hist_entry__sym_from_snprintf(struct hist_entry *he, char *bf,
 866					 size_t size, unsigned int width)
 867{
 868	if (he->branch_info) {
 869		struct addr_map_symbol *from = &he->branch_info->from;
 870
 871		return _hist_entry__sym_snprintf(from->map, from->sym, from->addr,
 872						 he->level, bf, size, width);
 873	}
 874
 875	return repsep_snprintf(bf, size, "%-*.*s", width, width, "N/A");
 876}
 877
 878static int hist_entry__sym_to_snprintf(struct hist_entry *he, char *bf,
 879				       size_t size, unsigned int width)
 880{
 881	if (he->branch_info) {
 882		struct addr_map_symbol *to = &he->branch_info->to;
 883
 884		return _hist_entry__sym_snprintf(to->map, to->sym, to->addr,
 885						 he->level, bf, size, width);
 886	}
 887
 888	return repsep_snprintf(bf, size, "%-*.*s", width, width, "N/A");
 889}
 890
 891static int hist_entry__sym_from_filter(struct hist_entry *he, int type,
 892				       const void *arg)
 893{
 894	const char *sym = arg;
 895
 896	if (type != HIST_FILTER__SYMBOL)
 897		return -1;
 898
 899	return sym && !(he->branch_info && he->branch_info->from.sym &&
 900			strstr(he->branch_info->from.sym->name, sym));
 901}
 902
 903static int hist_entry__sym_to_filter(struct hist_entry *he, int type,
 904				       const void *arg)
 905{
 906	const char *sym = arg;
 907
 908	if (type != HIST_FILTER__SYMBOL)
 909		return -1;
 910
 911	return sym && !(he->branch_info && he->branch_info->to.sym &&
 912		        strstr(he->branch_info->to.sym->name, sym));
 913}
 914
 915struct sort_entry sort_dso_from = {
 916	.se_header	= "Source Shared Object",
 917	.se_cmp		= sort__dso_from_cmp,
 918	.se_snprintf	= hist_entry__dso_from_snprintf,
 919	.se_filter	= hist_entry__dso_from_filter,
 920	.se_width_idx	= HISTC_DSO_FROM,
 921};
 922
 923struct sort_entry sort_dso_to = {
 924	.se_header	= "Target Shared Object",
 925	.se_cmp		= sort__dso_to_cmp,
 926	.se_snprintf	= hist_entry__dso_to_snprintf,
 927	.se_filter	= hist_entry__dso_to_filter,
 928	.se_width_idx	= HISTC_DSO_TO,
 929};
 930
 931struct sort_entry sort_sym_from = {
 932	.se_header	= "Source Symbol",
 933	.se_cmp		= sort__sym_from_cmp,
 934	.se_snprintf	= hist_entry__sym_from_snprintf,
 935	.se_filter	= hist_entry__sym_from_filter,
 936	.se_width_idx	= HISTC_SYMBOL_FROM,
 937};
 938
 939struct sort_entry sort_sym_to = {
 940	.se_header	= "Target Symbol",
 941	.se_cmp		= sort__sym_to_cmp,
 942	.se_snprintf	= hist_entry__sym_to_snprintf,
 943	.se_filter	= hist_entry__sym_to_filter,
 944	.se_width_idx	= HISTC_SYMBOL_TO,
 945};
 946
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 947static int64_t
 948sort__mispredict_cmp(struct hist_entry *left, struct hist_entry *right)
 949{
 950	unsigned char mp, p;
 951
 952	if (!left->branch_info || !right->branch_info)
 953		return cmp_null(left->branch_info, right->branch_info);
 954
 955	mp = left->branch_info->flags.mispred != right->branch_info->flags.mispred;
 956	p  = left->branch_info->flags.predicted != right->branch_info->flags.predicted;
 957	return mp || p;
 958}
 959
 960static int hist_entry__mispredict_snprintf(struct hist_entry *he, char *bf,
 961				    size_t size, unsigned int width){
 962	static const char *out = "N/A";
 963
 964	if (he->branch_info) {
 965		if (he->branch_info->flags.predicted)
 966			out = "N";
 967		else if (he->branch_info->flags.mispred)
 968			out = "Y";
 969	}
 970
 971	return repsep_snprintf(bf, size, "%-*.*s", width, width, out);
 972}
 973
 974static int64_t
 975sort__cycles_cmp(struct hist_entry *left, struct hist_entry *right)
 976{
 977	if (!left->branch_info || !right->branch_info)
 978		return cmp_null(left->branch_info, right->branch_info);
 979
 980	return left->branch_info->flags.cycles -
 981		right->branch_info->flags.cycles;
 982}
 983
 984static int hist_entry__cycles_snprintf(struct hist_entry *he, char *bf,
 985				    size_t size, unsigned int width)
 986{
 987	if (!he->branch_info)
 988		return scnprintf(bf, size, "%-.*s", width, "N/A");
 989	if (he->branch_info->flags.cycles == 0)
 990		return repsep_snprintf(bf, size, "%-*s", width, "-");
 991	return repsep_snprintf(bf, size, "%-*hd", width,
 992			       he->branch_info->flags.cycles);
 993}
 994
 995struct sort_entry sort_cycles = {
 996	.se_header	= "Basic Block Cycles",
 997	.se_cmp		= sort__cycles_cmp,
 998	.se_snprintf	= hist_entry__cycles_snprintf,
 999	.se_width_idx	= HISTC_CYCLES,
1000};
1001
1002/* --sort daddr_sym */
1003int64_t
1004sort__daddr_cmp(struct hist_entry *left, struct hist_entry *right)
1005{
1006	uint64_t l = 0, r = 0;
1007
1008	if (left->mem_info)
1009		l = left->mem_info->daddr.addr;
1010	if (right->mem_info)
1011		r = right->mem_info->daddr.addr;
1012
1013	return (int64_t)(r - l);
1014}
1015
1016static int hist_entry__daddr_snprintf(struct hist_entry *he, char *bf,
1017				    size_t size, unsigned int width)
1018{
1019	uint64_t addr = 0;
1020	struct map *map = NULL;
1021	struct symbol *sym = NULL;
1022
1023	if (he->mem_info) {
1024		addr = he->mem_info->daddr.addr;
1025		map = he->mem_info->daddr.map;
1026		sym = he->mem_info->daddr.sym;
1027	}
1028	return _hist_entry__sym_snprintf(map, sym, addr, he->level, bf, size,
1029					 width);
1030}
1031
1032int64_t
1033sort__iaddr_cmp(struct hist_entry *left, struct hist_entry *right)
1034{
1035	uint64_t l = 0, r = 0;
1036
1037	if (left->mem_info)
1038		l = left->mem_info->iaddr.addr;
1039	if (right->mem_info)
1040		r = right->mem_info->iaddr.addr;
1041
1042	return (int64_t)(r - l);
1043}
1044
1045static int hist_entry__iaddr_snprintf(struct hist_entry *he, char *bf,
1046				    size_t size, unsigned int width)
1047{
1048	uint64_t addr = 0;
1049	struct map *map = NULL;
1050	struct symbol *sym = NULL;
1051
1052	if (he->mem_info) {
1053		addr = he->mem_info->iaddr.addr;
1054		map  = he->mem_info->iaddr.map;
1055		sym  = he->mem_info->iaddr.sym;
1056	}
1057	return _hist_entry__sym_snprintf(map, sym, addr, he->level, bf, size,
1058					 width);
1059}
1060
1061static int64_t
1062sort__dso_daddr_cmp(struct hist_entry *left, struct hist_entry *right)
1063{
1064	struct map *map_l = NULL;
1065	struct map *map_r = NULL;
1066
1067	if (left->mem_info)
1068		map_l = left->mem_info->daddr.map;
1069	if (right->mem_info)
1070		map_r = right->mem_info->daddr.map;
1071
1072	return _sort__dso_cmp(map_l, map_r);
1073}
1074
1075static int hist_entry__dso_daddr_snprintf(struct hist_entry *he, char *bf,
1076				    size_t size, unsigned int width)
1077{
1078	struct map *map = NULL;
1079
1080	if (he->mem_info)
1081		map = he->mem_info->daddr.map;
1082
1083	return _hist_entry__dso_snprintf(map, bf, size, width);
1084}
1085
1086static int64_t
1087sort__locked_cmp(struct hist_entry *left, struct hist_entry *right)
1088{
1089	union perf_mem_data_src data_src_l;
1090	union perf_mem_data_src data_src_r;
1091
1092	if (left->mem_info)
1093		data_src_l = left->mem_info->data_src;
1094	else
1095		data_src_l.mem_lock = PERF_MEM_LOCK_NA;
1096
1097	if (right->mem_info)
1098		data_src_r = right->mem_info->data_src;
1099	else
1100		data_src_r.mem_lock = PERF_MEM_LOCK_NA;
1101
1102	return (int64_t)(data_src_r.mem_lock - data_src_l.mem_lock);
1103}
1104
1105static int hist_entry__locked_snprintf(struct hist_entry *he, char *bf,
1106				    size_t size, unsigned int width)
1107{
1108	char out[10];
1109
1110	perf_mem__lck_scnprintf(out, sizeof(out), he->mem_info);
1111	return repsep_snprintf(bf, size, "%.*s", width, out);
1112}
1113
1114static int64_t
1115sort__tlb_cmp(struct hist_entry *left, struct hist_entry *right)
1116{
1117	union perf_mem_data_src data_src_l;
1118	union perf_mem_data_src data_src_r;
1119
1120	if (left->mem_info)
1121		data_src_l = left->mem_info->data_src;
1122	else
1123		data_src_l.mem_dtlb = PERF_MEM_TLB_NA;
1124
1125	if (right->mem_info)
1126		data_src_r = right->mem_info->data_src;
1127	else
1128		data_src_r.mem_dtlb = PERF_MEM_TLB_NA;
1129
1130	return (int64_t)(data_src_r.mem_dtlb - data_src_l.mem_dtlb);
1131}
1132
1133static int hist_entry__tlb_snprintf(struct hist_entry *he, char *bf,
1134				    size_t size, unsigned int width)
1135{
1136	char out[64];
1137
1138	perf_mem__tlb_scnprintf(out, sizeof(out), he->mem_info);
1139	return repsep_snprintf(bf, size, "%-*s", width, out);
1140}
1141
1142static int64_t
1143sort__lvl_cmp(struct hist_entry *left, struct hist_entry *right)
1144{
1145	union perf_mem_data_src data_src_l;
1146	union perf_mem_data_src data_src_r;
1147
1148	if (left->mem_info)
1149		data_src_l = left->mem_info->data_src;
1150	else
1151		data_src_l.mem_lvl = PERF_MEM_LVL_NA;
1152
1153	if (right->mem_info)
1154		data_src_r = right->mem_info->data_src;
1155	else
1156		data_src_r.mem_lvl = PERF_MEM_LVL_NA;
1157
1158	return (int64_t)(data_src_r.mem_lvl - data_src_l.mem_lvl);
1159}
1160
1161static int hist_entry__lvl_snprintf(struct hist_entry *he, char *bf,
1162				    size_t size, unsigned int width)
1163{
1164	char out[64];
1165
1166	perf_mem__lvl_scnprintf(out, sizeof(out), he->mem_info);
1167	return repsep_snprintf(bf, size, "%-*s", width, out);
1168}
1169
1170static int64_t
1171sort__snoop_cmp(struct hist_entry *left, struct hist_entry *right)
1172{
1173	union perf_mem_data_src data_src_l;
1174	union perf_mem_data_src data_src_r;
1175
1176	if (left->mem_info)
1177		data_src_l = left->mem_info->data_src;
1178	else
1179		data_src_l.mem_snoop = PERF_MEM_SNOOP_NA;
1180
1181	if (right->mem_info)
1182		data_src_r = right->mem_info->data_src;
1183	else
1184		data_src_r.mem_snoop = PERF_MEM_SNOOP_NA;
1185
1186	return (int64_t)(data_src_r.mem_snoop - data_src_l.mem_snoop);
1187}
1188
1189static int hist_entry__snoop_snprintf(struct hist_entry *he, char *bf,
1190				    size_t size, unsigned int width)
1191{
1192	char out[64];
1193
1194	perf_mem__snp_scnprintf(out, sizeof(out), he->mem_info);
1195	return repsep_snprintf(bf, size, "%-*s", width, out);
1196}
1197
1198int64_t
1199sort__dcacheline_cmp(struct hist_entry *left, struct hist_entry *right)
1200{
1201	u64 l, r;
1202	struct map *l_map, *r_map;
 
1203
1204	if (!left->mem_info)  return -1;
1205	if (!right->mem_info) return 1;
1206
1207	/* group event types together */
1208	if (left->cpumode > right->cpumode) return -1;
1209	if (left->cpumode < right->cpumode) return 1;
1210
1211	l_map = left->mem_info->daddr.map;
1212	r_map = right->mem_info->daddr.map;
1213
1214	/* if both are NULL, jump to sort on al_addr instead */
1215	if (!l_map && !r_map)
1216		goto addr;
1217
1218	if (!l_map) return -1;
1219	if (!r_map) return 1;
1220
1221	if (l_map->maj > r_map->maj) return -1;
1222	if (l_map->maj < r_map->maj) return 1;
1223
1224	if (l_map->min > r_map->min) return -1;
1225	if (l_map->min < r_map->min) return 1;
1226
1227	if (l_map->ino > r_map->ino) return -1;
1228	if (l_map->ino < r_map->ino) return 1;
1229
1230	if (l_map->ino_generation > r_map->ino_generation) return -1;
1231	if (l_map->ino_generation < r_map->ino_generation) return 1;
1232
1233	/*
1234	 * Addresses with no major/minor numbers are assumed to be
1235	 * anonymous in userspace.  Sort those on pid then address.
1236	 *
1237	 * The kernel and non-zero major/minor mapped areas are
1238	 * assumed to be unity mapped.  Sort those on address.
1239	 */
1240
1241	if ((left->cpumode != PERF_RECORD_MISC_KERNEL) &&
1242	    (!(l_map->flags & MAP_SHARED)) &&
1243	    !l_map->maj && !l_map->min && !l_map->ino &&
1244	    !l_map->ino_generation) {
1245		/* userspace anonymous */
1246
1247		if (left->thread->pid_ > right->thread->pid_) return -1;
1248		if (left->thread->pid_ < right->thread->pid_) return 1;
1249	}
1250
1251addr:
1252	/* al_addr does all the right addr - start + offset calculations */
1253	l = cl_address(left->mem_info->daddr.al_addr);
1254	r = cl_address(right->mem_info->daddr.al_addr);
1255
1256	if (l > r) return -1;
1257	if (l < r) return 1;
1258
1259	return 0;
1260}
1261
1262static int hist_entry__dcacheline_snprintf(struct hist_entry *he, char *bf,
1263					  size_t size, unsigned int width)
1264{
1265
1266	uint64_t addr = 0;
1267	struct map *map = NULL;
1268	struct symbol *sym = NULL;
1269	char level = he->level;
1270
1271	if (he->mem_info) {
 
 
1272		addr = cl_address(he->mem_info->daddr.al_addr);
1273		map = he->mem_info->daddr.map;
1274		sym = he->mem_info->daddr.sym;
1275
1276		/* print [s] for shared data mmaps */
1277		if ((he->cpumode != PERF_RECORD_MISC_KERNEL) &&
1278		     map && !(map->prot & PROT_EXEC) &&
1279		    (map->flags & MAP_SHARED) &&
1280		    (map->maj || map->min || map->ino ||
1281		     map->ino_generation))
1282			level = 's';
1283		else if (!map)
1284			level = 'X';
1285	}
1286	return _hist_entry__sym_snprintf(map, sym, addr, level, bf, size,
1287					 width);
1288}
1289
1290struct sort_entry sort_mispredict = {
1291	.se_header	= "Branch Mispredicted",
1292	.se_cmp		= sort__mispredict_cmp,
1293	.se_snprintf	= hist_entry__mispredict_snprintf,
1294	.se_width_idx	= HISTC_MISPREDICT,
1295};
1296
1297static u64 he_weight(struct hist_entry *he)
1298{
1299	return he->stat.nr_events ? he->stat.weight / he->stat.nr_events : 0;
1300}
1301
1302static int64_t
1303sort__local_weight_cmp(struct hist_entry *left, struct hist_entry *right)
1304{
1305	return he_weight(left) - he_weight(right);
1306}
1307
1308static int hist_entry__local_weight_snprintf(struct hist_entry *he, char *bf,
1309				    size_t size, unsigned int width)
1310{
1311	return repsep_snprintf(bf, size, "%-*llu", width, he_weight(he));
1312}
1313
1314struct sort_entry sort_local_weight = {
1315	.se_header	= "Local Weight",
1316	.se_cmp		= sort__local_weight_cmp,
1317	.se_snprintf	= hist_entry__local_weight_snprintf,
1318	.se_width_idx	= HISTC_LOCAL_WEIGHT,
1319};
1320
1321static int64_t
1322sort__global_weight_cmp(struct hist_entry *left, struct hist_entry *right)
1323{
1324	return left->stat.weight - right->stat.weight;
1325}
1326
1327static int hist_entry__global_weight_snprintf(struct hist_entry *he, char *bf,
1328					      size_t size, unsigned int width)
1329{
1330	return repsep_snprintf(bf, size, "%-*llu", width, he->stat.weight);
 
1331}
1332
1333struct sort_entry sort_global_weight = {
1334	.se_header	= "Weight",
1335	.se_cmp		= sort__global_weight_cmp,
1336	.se_snprintf	= hist_entry__global_weight_snprintf,
1337	.se_width_idx	= HISTC_GLOBAL_WEIGHT,
1338};
1339
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1340struct sort_entry sort_mem_daddr_sym = {
1341	.se_header	= "Data Symbol",
1342	.se_cmp		= sort__daddr_cmp,
1343	.se_snprintf	= hist_entry__daddr_snprintf,
1344	.se_width_idx	= HISTC_MEM_DADDR_SYMBOL,
1345};
1346
1347struct sort_entry sort_mem_iaddr_sym = {
1348	.se_header	= "Code Symbol",
1349	.se_cmp		= sort__iaddr_cmp,
1350	.se_snprintf	= hist_entry__iaddr_snprintf,
1351	.se_width_idx	= HISTC_MEM_IADDR_SYMBOL,
1352};
1353
1354struct sort_entry sort_mem_daddr_dso = {
1355	.se_header	= "Data Object",
1356	.se_cmp		= sort__dso_daddr_cmp,
1357	.se_snprintf	= hist_entry__dso_daddr_snprintf,
1358	.se_width_idx	= HISTC_MEM_DADDR_DSO,
1359};
1360
1361struct sort_entry sort_mem_locked = {
1362	.se_header	= "Locked",
1363	.se_cmp		= sort__locked_cmp,
1364	.se_snprintf	= hist_entry__locked_snprintf,
1365	.se_width_idx	= HISTC_MEM_LOCKED,
1366};
1367
1368struct sort_entry sort_mem_tlb = {
1369	.se_header	= "TLB access",
1370	.se_cmp		= sort__tlb_cmp,
1371	.se_snprintf	= hist_entry__tlb_snprintf,
1372	.se_width_idx	= HISTC_MEM_TLB,
1373};
1374
1375struct sort_entry sort_mem_lvl = {
1376	.se_header	= "Memory access",
1377	.se_cmp		= sort__lvl_cmp,
1378	.se_snprintf	= hist_entry__lvl_snprintf,
1379	.se_width_idx	= HISTC_MEM_LVL,
1380};
1381
1382struct sort_entry sort_mem_snoop = {
1383	.se_header	= "Snoop",
1384	.se_cmp		= sort__snoop_cmp,
1385	.se_snprintf	= hist_entry__snoop_snprintf,
1386	.se_width_idx	= HISTC_MEM_SNOOP,
1387};
1388
1389struct sort_entry sort_mem_dcacheline = {
1390	.se_header	= "Data Cacheline",
1391	.se_cmp		= sort__dcacheline_cmp,
1392	.se_snprintf	= hist_entry__dcacheline_snprintf,
1393	.se_width_idx	= HISTC_MEM_DCACHELINE,
1394};
1395
1396static int64_t
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1397sort__phys_daddr_cmp(struct hist_entry *left, struct hist_entry *right)
1398{
1399	uint64_t l = 0, r = 0;
1400
1401	if (left->mem_info)
1402		l = left->mem_info->daddr.phys_addr;
1403	if (right->mem_info)
1404		r = right->mem_info->daddr.phys_addr;
1405
1406	return (int64_t)(r - l);
1407}
1408
1409static int hist_entry__phys_daddr_snprintf(struct hist_entry *he, char *bf,
1410					   size_t size, unsigned int width)
1411{
1412	uint64_t addr = 0;
1413	size_t ret = 0;
1414	size_t len = BITS_PER_LONG / 4;
1415
1416	addr = he->mem_info->daddr.phys_addr;
1417
1418	ret += repsep_snprintf(bf + ret, size - ret, "[%c] ", he->level);
1419
1420	ret += repsep_snprintf(bf + ret, size - ret, "%-#.*llx", len, addr);
1421
1422	ret += repsep_snprintf(bf + ret, size - ret, "%-*s", width - ret, "");
1423
1424	if (ret > width)
1425		bf[width] = '\0';
1426
1427	return width;
1428}
1429
1430struct sort_entry sort_mem_phys_daddr = {
1431	.se_header	= "Data Physical Address",
1432	.se_cmp		= sort__phys_daddr_cmp,
1433	.se_snprintf	= hist_entry__phys_daddr_snprintf,
1434	.se_width_idx	= HISTC_MEM_PHYS_DADDR,
1435};
1436
1437static int64_t
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1438sort__abort_cmp(struct hist_entry *left, struct hist_entry *right)
1439{
1440	if (!left->branch_info || !right->branch_info)
1441		return cmp_null(left->branch_info, right->branch_info);
1442
1443	return left->branch_info->flags.abort !=
1444		right->branch_info->flags.abort;
1445}
1446
1447static int hist_entry__abort_snprintf(struct hist_entry *he, char *bf,
1448				    size_t size, unsigned int width)
1449{
1450	static const char *out = "N/A";
1451
1452	if (he->branch_info) {
1453		if (he->branch_info->flags.abort)
1454			out = "A";
1455		else
1456			out = ".";
1457	}
1458
1459	return repsep_snprintf(bf, size, "%-*s", width, out);
1460}
1461
1462struct sort_entry sort_abort = {
1463	.se_header	= "Transaction abort",
1464	.se_cmp		= sort__abort_cmp,
1465	.se_snprintf	= hist_entry__abort_snprintf,
1466	.se_width_idx	= HISTC_ABORT,
1467};
1468
1469static int64_t
1470sort__in_tx_cmp(struct hist_entry *left, struct hist_entry *right)
1471{
1472	if (!left->branch_info || !right->branch_info)
1473		return cmp_null(left->branch_info, right->branch_info);
1474
1475	return left->branch_info->flags.in_tx !=
1476		right->branch_info->flags.in_tx;
1477}
1478
1479static int hist_entry__in_tx_snprintf(struct hist_entry *he, char *bf,
1480				    size_t size, unsigned int width)
1481{
1482	static const char *out = "N/A";
1483
1484	if (he->branch_info) {
1485		if (he->branch_info->flags.in_tx)
1486			out = "T";
1487		else
1488			out = ".";
1489	}
1490
1491	return repsep_snprintf(bf, size, "%-*s", width, out);
1492}
1493
1494struct sort_entry sort_in_tx = {
1495	.se_header	= "Branch in transaction",
1496	.se_cmp		= sort__in_tx_cmp,
1497	.se_snprintf	= hist_entry__in_tx_snprintf,
1498	.se_width_idx	= HISTC_IN_TX,
1499};
1500
1501static int64_t
1502sort__transaction_cmp(struct hist_entry *left, struct hist_entry *right)
1503{
1504	return left->transaction - right->transaction;
1505}
1506
1507static inline char *add_str(char *p, const char *str)
1508{
1509	strcpy(p, str);
1510	return p + strlen(str);
1511}
1512
1513static struct txbit {
1514	unsigned flag;
1515	const char *name;
1516	int skip_for_len;
1517} txbits[] = {
1518	{ PERF_TXN_ELISION,        "EL ",        0 },
1519	{ PERF_TXN_TRANSACTION,    "TX ",        1 },
1520	{ PERF_TXN_SYNC,           "SYNC ",      1 },
1521	{ PERF_TXN_ASYNC,          "ASYNC ",     0 },
1522	{ PERF_TXN_RETRY,          "RETRY ",     0 },
1523	{ PERF_TXN_CONFLICT,       "CON ",       0 },
1524	{ PERF_TXN_CAPACITY_WRITE, "CAP-WRITE ", 1 },
1525	{ PERF_TXN_CAPACITY_READ,  "CAP-READ ",  0 },
1526	{ 0, NULL, 0 }
1527};
1528
1529int hist_entry__transaction_len(void)
1530{
1531	int i;
1532	int len = 0;
1533
1534	for (i = 0; txbits[i].name; i++) {
1535		if (!txbits[i].skip_for_len)
1536			len += strlen(txbits[i].name);
1537	}
1538	len += 4; /* :XX<space> */
1539	return len;
1540}
1541
1542static int hist_entry__transaction_snprintf(struct hist_entry *he, char *bf,
1543					    size_t size, unsigned int width)
1544{
1545	u64 t = he->transaction;
1546	char buf[128];
1547	char *p = buf;
1548	int i;
1549
1550	buf[0] = 0;
1551	for (i = 0; txbits[i].name; i++)
1552		if (txbits[i].flag & t)
1553			p = add_str(p, txbits[i].name);
1554	if (t && !(t & (PERF_TXN_SYNC|PERF_TXN_ASYNC)))
1555		p = add_str(p, "NEITHER ");
1556	if (t & PERF_TXN_ABORT_MASK) {
1557		sprintf(p, ":%" PRIx64,
1558			(t & PERF_TXN_ABORT_MASK) >>
1559			PERF_TXN_ABORT_SHIFT);
1560		p += strlen(p);
1561	}
1562
1563	return repsep_snprintf(bf, size, "%-*s", width, buf);
1564}
1565
1566struct sort_entry sort_transaction = {
1567	.se_header	= "Transaction                ",
1568	.se_cmp		= sort__transaction_cmp,
1569	.se_snprintf	= hist_entry__transaction_snprintf,
1570	.se_width_idx	= HISTC_TRANSACTION,
1571};
1572
1573/* --sort symbol_size */
1574
1575static int64_t _sort__sym_size_cmp(struct symbol *sym_l, struct symbol *sym_r)
1576{
1577	int64_t size_l = sym_l != NULL ? symbol__size(sym_l) : 0;
1578	int64_t size_r = sym_r != NULL ? symbol__size(sym_r) : 0;
1579
1580	return size_l < size_r ? -1 :
1581		size_l == size_r ? 0 : 1;
1582}
1583
1584static int64_t
1585sort__sym_size_cmp(struct hist_entry *left, struct hist_entry *right)
1586{
1587	return _sort__sym_size_cmp(right->ms.sym, left->ms.sym);
1588}
1589
1590static int _hist_entry__sym_size_snprintf(struct symbol *sym, char *bf,
1591					  size_t bf_size, unsigned int width)
1592{
1593	if (sym)
1594		return repsep_snprintf(bf, bf_size, "%*d", width, symbol__size(sym));
1595
1596	return repsep_snprintf(bf, bf_size, "%*s", width, "unknown");
1597}
1598
1599static int hist_entry__sym_size_snprintf(struct hist_entry *he, char *bf,
1600					 size_t size, unsigned int width)
1601{
1602	return _hist_entry__sym_size_snprintf(he->ms.sym, bf, size, width);
1603}
1604
1605struct sort_entry sort_sym_size = {
1606	.se_header	= "Symbol size",
1607	.se_cmp		= sort__sym_size_cmp,
1608	.se_snprintf	= hist_entry__sym_size_snprintf,
1609	.se_width_idx	= HISTC_SYM_SIZE,
1610};
1611
1612/* --sort dso_size */
1613
1614static int64_t _sort__dso_size_cmp(struct map *map_l, struct map *map_r)
1615{
1616	int64_t size_l = map_l != NULL ? map__size(map_l) : 0;
1617	int64_t size_r = map_r != NULL ? map__size(map_r) : 0;
1618
1619	return size_l < size_r ? -1 :
1620		size_l == size_r ? 0 : 1;
1621}
1622
1623static int64_t
1624sort__dso_size_cmp(struct hist_entry *left, struct hist_entry *right)
1625{
1626	return _sort__dso_size_cmp(right->ms.map, left->ms.map);
1627}
1628
1629static int _hist_entry__dso_size_snprintf(struct map *map, char *bf,
1630					  size_t bf_size, unsigned int width)
1631{
1632	if (map && map->dso)
1633		return repsep_snprintf(bf, bf_size, "%*d", width,
1634				       map__size(map));
1635
1636	return repsep_snprintf(bf, bf_size, "%*s", width, "unknown");
1637}
1638
1639static int hist_entry__dso_size_snprintf(struct hist_entry *he, char *bf,
1640					 size_t size, unsigned int width)
1641{
1642	return _hist_entry__dso_size_snprintf(he->ms.map, bf, size, width);
1643}
1644
1645struct sort_entry sort_dso_size = {
1646	.se_header	= "DSO size",
1647	.se_cmp		= sort__dso_size_cmp,
1648	.se_snprintf	= hist_entry__dso_size_snprintf,
1649	.se_width_idx	= HISTC_DSO_SIZE,
1650};
1651
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1652
1653struct sort_dimension {
1654	const char		*name;
1655	struct sort_entry	*entry;
1656	int			taken;
1657};
1658
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1659#define DIM(d, n, func) [d] = { .name = n, .entry = &(func) }
1660
1661static struct sort_dimension common_sort_dimensions[] = {
1662	DIM(SORT_PID, "pid", sort_thread),
1663	DIM(SORT_COMM, "comm", sort_comm),
1664	DIM(SORT_DSO, "dso", sort_dso),
1665	DIM(SORT_SYM, "symbol", sort_sym),
1666	DIM(SORT_PARENT, "parent", sort_parent),
1667	DIM(SORT_CPU, "cpu", sort_cpu),
1668	DIM(SORT_SOCKET, "socket", sort_socket),
1669	DIM(SORT_SRCLINE, "srcline", sort_srcline),
1670	DIM(SORT_SRCFILE, "srcfile", sort_srcfile),
1671	DIM(SORT_LOCAL_WEIGHT, "local_weight", sort_local_weight),
1672	DIM(SORT_GLOBAL_WEIGHT, "weight", sort_global_weight),
1673	DIM(SORT_TRANSACTION, "transaction", sort_transaction),
 
1674	DIM(SORT_TRACE, "trace", sort_trace),
 
1675	DIM(SORT_SYM_SIZE, "symbol_size", sort_sym_size),
1676	DIM(SORT_DSO_SIZE, "dso_size", sort_dso_size),
 
1677	DIM(SORT_CGROUP_ID, "cgroup_id", sort_cgroup_id),
1678	DIM(SORT_SYM_IPC_NULL, "ipc_null", sort_sym_ipc_null),
1679	DIM(SORT_TIME, "time", sort_time),
 
 
 
 
 
 
1680};
1681
1682#undef DIM
1683
1684#define DIM(d, n, func) [d - __SORT_BRANCH_STACK] = { .name = n, .entry = &(func) }
1685
1686static struct sort_dimension bstack_sort_dimensions[] = {
1687	DIM(SORT_DSO_FROM, "dso_from", sort_dso_from),
1688	DIM(SORT_DSO_TO, "dso_to", sort_dso_to),
1689	DIM(SORT_SYM_FROM, "symbol_from", sort_sym_from),
1690	DIM(SORT_SYM_TO, "symbol_to", sort_sym_to),
1691	DIM(SORT_MISPREDICT, "mispredict", sort_mispredict),
1692	DIM(SORT_IN_TX, "in_tx", sort_in_tx),
1693	DIM(SORT_ABORT, "abort", sort_abort),
1694	DIM(SORT_CYCLES, "cycles", sort_cycles),
1695	DIM(SORT_SRCLINE_FROM, "srcline_from", sort_srcline_from),
1696	DIM(SORT_SRCLINE_TO, "srcline_to", sort_srcline_to),
1697	DIM(SORT_SYM_IPC, "ipc_lbr", sort_sym_ipc),
 
 
1698};
1699
1700#undef DIM
1701
1702#define DIM(d, n, func) [d - __SORT_MEMORY_MODE] = { .name = n, .entry = &(func) }
1703
1704static struct sort_dimension memory_sort_dimensions[] = {
1705	DIM(SORT_MEM_DADDR_SYMBOL, "symbol_daddr", sort_mem_daddr_sym),
1706	DIM(SORT_MEM_IADDR_SYMBOL, "symbol_iaddr", sort_mem_iaddr_sym),
1707	DIM(SORT_MEM_DADDR_DSO, "dso_daddr", sort_mem_daddr_dso),
1708	DIM(SORT_MEM_LOCKED, "locked", sort_mem_locked),
1709	DIM(SORT_MEM_TLB, "tlb", sort_mem_tlb),
1710	DIM(SORT_MEM_LVL, "mem", sort_mem_lvl),
1711	DIM(SORT_MEM_SNOOP, "snoop", sort_mem_snoop),
1712	DIM(SORT_MEM_DCACHELINE, "dcacheline", sort_mem_dcacheline),
1713	DIM(SORT_MEM_PHYS_DADDR, "phys_daddr", sort_mem_phys_daddr),
 
 
1714};
1715
1716#undef DIM
1717
1718struct hpp_dimension {
1719	const char		*name;
1720	struct perf_hpp_fmt	*fmt;
1721	int			taken;
1722};
1723
1724#define DIM(d, n) { .name = n, .fmt = &perf_hpp__format[d], }
1725
1726static struct hpp_dimension hpp_sort_dimensions[] = {
1727	DIM(PERF_HPP__OVERHEAD, "overhead"),
1728	DIM(PERF_HPP__OVERHEAD_SYS, "overhead_sys"),
1729	DIM(PERF_HPP__OVERHEAD_US, "overhead_us"),
1730	DIM(PERF_HPP__OVERHEAD_GUEST_SYS, "overhead_guest_sys"),
1731	DIM(PERF_HPP__OVERHEAD_GUEST_US, "overhead_guest_us"),
1732	DIM(PERF_HPP__OVERHEAD_ACC, "overhead_children"),
1733	DIM(PERF_HPP__SAMPLES, "sample"),
1734	DIM(PERF_HPP__PERIOD, "period"),
1735};
1736
1737#undef DIM
1738
1739struct hpp_sort_entry {
1740	struct perf_hpp_fmt hpp;
1741	struct sort_entry *se;
1742};
1743
1744void perf_hpp__reset_sort_width(struct perf_hpp_fmt *fmt, struct hists *hists)
1745{
1746	struct hpp_sort_entry *hse;
1747
1748	if (!perf_hpp__is_sort_entry(fmt))
1749		return;
1750
1751	hse = container_of(fmt, struct hpp_sort_entry, hpp);
1752	hists__new_col_len(hists, hse->se->se_width_idx, strlen(fmt->name));
1753}
1754
1755static int __sort__hpp_header(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1756			      struct hists *hists, int line __maybe_unused,
1757			      int *span __maybe_unused)
1758{
1759	struct hpp_sort_entry *hse;
1760	size_t len = fmt->user_len;
1761
1762	hse = container_of(fmt, struct hpp_sort_entry, hpp);
1763
1764	if (!len)
1765		len = hists__col_len(hists, hse->se->se_width_idx);
1766
1767	return scnprintf(hpp->buf, hpp->size, "%-*.*s", len, len, fmt->name);
1768}
1769
1770static int __sort__hpp_width(struct perf_hpp_fmt *fmt,
1771			     struct perf_hpp *hpp __maybe_unused,
1772			     struct hists *hists)
1773{
1774	struct hpp_sort_entry *hse;
1775	size_t len = fmt->user_len;
1776
1777	hse = container_of(fmt, struct hpp_sort_entry, hpp);
1778
1779	if (!len)
1780		len = hists__col_len(hists, hse->se->se_width_idx);
1781
1782	return len;
1783}
1784
1785static int __sort__hpp_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1786			     struct hist_entry *he)
1787{
1788	struct hpp_sort_entry *hse;
1789	size_t len = fmt->user_len;
1790
1791	hse = container_of(fmt, struct hpp_sort_entry, hpp);
1792
1793	if (!len)
1794		len = hists__col_len(he->hists, hse->se->se_width_idx);
1795
1796	return hse->se->se_snprintf(he, hpp->buf, hpp->size, len);
1797}
1798
1799static int64_t __sort__hpp_cmp(struct perf_hpp_fmt *fmt,
1800			       struct hist_entry *a, struct hist_entry *b)
1801{
1802	struct hpp_sort_entry *hse;
1803
1804	hse = container_of(fmt, struct hpp_sort_entry, hpp);
1805	return hse->se->se_cmp(a, b);
1806}
1807
1808static int64_t __sort__hpp_collapse(struct perf_hpp_fmt *fmt,
1809				    struct hist_entry *a, struct hist_entry *b)
1810{
1811	struct hpp_sort_entry *hse;
1812	int64_t (*collapse_fn)(struct hist_entry *, struct hist_entry *);
1813
1814	hse = container_of(fmt, struct hpp_sort_entry, hpp);
1815	collapse_fn = hse->se->se_collapse ?: hse->se->se_cmp;
1816	return collapse_fn(a, b);
1817}
1818
1819static int64_t __sort__hpp_sort(struct perf_hpp_fmt *fmt,
1820				struct hist_entry *a, struct hist_entry *b)
1821{
1822	struct hpp_sort_entry *hse;
1823	int64_t (*sort_fn)(struct hist_entry *, struct hist_entry *);
1824
1825	hse = container_of(fmt, struct hpp_sort_entry, hpp);
1826	sort_fn = hse->se->se_sort ?: hse->se->se_cmp;
1827	return sort_fn(a, b);
1828}
1829
1830bool perf_hpp__is_sort_entry(struct perf_hpp_fmt *format)
1831{
1832	return format->header == __sort__hpp_header;
1833}
1834
1835#define MK_SORT_ENTRY_CHK(key)					\
1836bool perf_hpp__is_ ## key ## _entry(struct perf_hpp_fmt *fmt)	\
1837{								\
1838	struct hpp_sort_entry *hse;				\
1839								\
1840	if (!perf_hpp__is_sort_entry(fmt))			\
1841		return false;					\
1842								\
1843	hse = container_of(fmt, struct hpp_sort_entry, hpp);	\
1844	return hse->se == &sort_ ## key ;			\
1845}
1846
 
1847MK_SORT_ENTRY_CHK(trace)
 
 
 
 
 
 
1848MK_SORT_ENTRY_CHK(srcline)
1849MK_SORT_ENTRY_CHK(srcfile)
1850MK_SORT_ENTRY_CHK(thread)
1851MK_SORT_ENTRY_CHK(comm)
1852MK_SORT_ENTRY_CHK(dso)
1853MK_SORT_ENTRY_CHK(sym)
1854
1855
1856static bool __sort__hpp_equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b)
1857{
1858	struct hpp_sort_entry *hse_a;
1859	struct hpp_sort_entry *hse_b;
1860
1861	if (!perf_hpp__is_sort_entry(a) || !perf_hpp__is_sort_entry(b))
1862		return false;
1863
1864	hse_a = container_of(a, struct hpp_sort_entry, hpp);
1865	hse_b = container_of(b, struct hpp_sort_entry, hpp);
1866
1867	return hse_a->se == hse_b->se;
1868}
1869
1870static void hse_free(struct perf_hpp_fmt *fmt)
1871{
1872	struct hpp_sort_entry *hse;
1873
1874	hse = container_of(fmt, struct hpp_sort_entry, hpp);
1875	free(hse);
1876}
1877
 
 
 
 
 
 
 
 
 
 
 
 
 
1878static struct hpp_sort_entry *
1879__sort_dimension__alloc_hpp(struct sort_dimension *sd, int level)
1880{
1881	struct hpp_sort_entry *hse;
1882
1883	hse = malloc(sizeof(*hse));
1884	if (hse == NULL) {
1885		pr_err("Memory allocation failed\n");
1886		return NULL;
1887	}
1888
1889	hse->se = sd->entry;
1890	hse->hpp.name = sd->entry->se_header;
1891	hse->hpp.header = __sort__hpp_header;
1892	hse->hpp.width = __sort__hpp_width;
1893	hse->hpp.entry = __sort__hpp_entry;
1894	hse->hpp.color = NULL;
1895
1896	hse->hpp.cmp = __sort__hpp_cmp;
1897	hse->hpp.collapse = __sort__hpp_collapse;
1898	hse->hpp.sort = __sort__hpp_sort;
1899	hse->hpp.equal = __sort__hpp_equal;
1900	hse->hpp.free = hse_free;
 
1901
1902	INIT_LIST_HEAD(&hse->hpp.list);
1903	INIT_LIST_HEAD(&hse->hpp.sort_list);
1904	hse->hpp.elide = false;
1905	hse->hpp.len = 0;
1906	hse->hpp.user_len = 0;
1907	hse->hpp.level = level;
1908
1909	return hse;
1910}
1911
1912static void hpp_free(struct perf_hpp_fmt *fmt)
1913{
1914	free(fmt);
1915}
1916
1917static struct perf_hpp_fmt *__hpp_dimension__alloc_hpp(struct hpp_dimension *hd,
1918						       int level)
1919{
1920	struct perf_hpp_fmt *fmt;
1921
1922	fmt = memdup(hd->fmt, sizeof(*fmt));
1923	if (fmt) {
1924		INIT_LIST_HEAD(&fmt->list);
1925		INIT_LIST_HEAD(&fmt->sort_list);
1926		fmt->free = hpp_free;
1927		fmt->level = level;
1928	}
1929
1930	return fmt;
1931}
1932
1933int hist_entry__filter(struct hist_entry *he, int type, const void *arg)
1934{
1935	struct perf_hpp_fmt *fmt;
1936	struct hpp_sort_entry *hse;
1937	int ret = -1;
1938	int r;
1939
1940	perf_hpp_list__for_each_format(he->hpp_list, fmt) {
1941		if (!perf_hpp__is_sort_entry(fmt))
1942			continue;
1943
1944		hse = container_of(fmt, struct hpp_sort_entry, hpp);
1945		if (hse->se->se_filter == NULL)
1946			continue;
1947
1948		/*
1949		 * hist entry is filtered if any of sort key in the hpp list
1950		 * is applied.  But it should skip non-matched filter types.
1951		 */
1952		r = hse->se->se_filter(he, type, arg);
1953		if (r >= 0) {
1954			if (ret < 0)
1955				ret = 0;
1956			ret |= r;
1957		}
1958	}
1959
1960	return ret;
1961}
1962
1963static int __sort_dimension__add_hpp_sort(struct sort_dimension *sd,
1964					  struct perf_hpp_list *list,
1965					  int level)
1966{
1967	struct hpp_sort_entry *hse = __sort_dimension__alloc_hpp(sd, level);
1968
1969	if (hse == NULL)
1970		return -1;
1971
1972	perf_hpp_list__register_sort_field(list, &hse->hpp);
1973	return 0;
1974}
1975
1976static int __sort_dimension__add_hpp_output(struct sort_dimension *sd,
1977					    struct perf_hpp_list *list)
1978{
1979	struct hpp_sort_entry *hse = __sort_dimension__alloc_hpp(sd, 0);
1980
1981	if (hse == NULL)
1982		return -1;
1983
1984	perf_hpp_list__column_register(list, &hse->hpp);
1985	return 0;
1986}
1987
 
 
 
 
 
 
 
 
 
 
 
1988struct hpp_dynamic_entry {
1989	struct perf_hpp_fmt hpp;
1990	struct evsel *evsel;
1991	struct tep_format_field *field;
1992	unsigned dynamic_len;
1993	bool raw_trace;
1994};
1995
1996static int hde_width(struct hpp_dynamic_entry *hde)
1997{
1998	if (!hde->hpp.len) {
1999		int len = hde->dynamic_len;
2000		int namelen = strlen(hde->field->name);
2001		int fieldlen = hde->field->size;
2002
2003		if (namelen > len)
2004			len = namelen;
2005
2006		if (!(hde->field->flags & TEP_FIELD_IS_STRING)) {
2007			/* length for print hex numbers */
2008			fieldlen = hde->field->size * 2 + 2;
2009		}
2010		if (fieldlen > len)
2011			len = fieldlen;
2012
2013		hde->hpp.len = len;
2014	}
2015	return hde->hpp.len;
2016}
2017
2018static void update_dynamic_len(struct hpp_dynamic_entry *hde,
2019			       struct hist_entry *he)
2020{
2021	char *str, *pos;
2022	struct tep_format_field *field = hde->field;
2023	size_t namelen;
2024	bool last = false;
2025
2026	if (hde->raw_trace)
2027		return;
2028
2029	/* parse pretty print result and update max length */
2030	if (!he->trace_output)
2031		he->trace_output = get_trace_output(he);
2032
2033	namelen = strlen(field->name);
2034	str = he->trace_output;
2035
2036	while (str) {
2037		pos = strchr(str, ' ');
2038		if (pos == NULL) {
2039			last = true;
2040			pos = str + strlen(str);
2041		}
2042
2043		if (!strncmp(str, field->name, namelen)) {
2044			size_t len;
2045
2046			str += namelen + 1;
2047			len = pos - str;
2048
2049			if (len > hde->dynamic_len)
2050				hde->dynamic_len = len;
2051			break;
2052		}
2053
2054		if (last)
2055			str = NULL;
2056		else
2057			str = pos + 1;
2058	}
2059}
2060
2061static int __sort__hde_header(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
2062			      struct hists *hists __maybe_unused,
2063			      int line __maybe_unused,
2064			      int *span __maybe_unused)
2065{
2066	struct hpp_dynamic_entry *hde;
2067	size_t len = fmt->user_len;
2068
2069	hde = container_of(fmt, struct hpp_dynamic_entry, hpp);
2070
2071	if (!len)
2072		len = hde_width(hde);
2073
2074	return scnprintf(hpp->buf, hpp->size, "%*.*s", len, len, hde->field->name);
2075}
2076
2077static int __sort__hde_width(struct perf_hpp_fmt *fmt,
2078			     struct perf_hpp *hpp __maybe_unused,
2079			     struct hists *hists __maybe_unused)
2080{
2081	struct hpp_dynamic_entry *hde;
2082	size_t len = fmt->user_len;
2083
2084	hde = container_of(fmt, struct hpp_dynamic_entry, hpp);
2085
2086	if (!len)
2087		len = hde_width(hde);
2088
2089	return len;
2090}
2091
2092bool perf_hpp__defined_dynamic_entry(struct perf_hpp_fmt *fmt, struct hists *hists)
2093{
2094	struct hpp_dynamic_entry *hde;
2095
2096	hde = container_of(fmt, struct hpp_dynamic_entry, hpp);
2097
2098	return hists_to_evsel(hists) == hde->evsel;
2099}
2100
2101static int __sort__hde_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
2102			     struct hist_entry *he)
2103{
2104	struct hpp_dynamic_entry *hde;
2105	size_t len = fmt->user_len;
2106	char *str, *pos;
2107	struct tep_format_field *field;
2108	size_t namelen;
2109	bool last = false;
2110	int ret;
2111
2112	hde = container_of(fmt, struct hpp_dynamic_entry, hpp);
2113
2114	if (!len)
2115		len = hde_width(hde);
2116
2117	if (hde->raw_trace)
2118		goto raw_field;
2119
2120	if (!he->trace_output)
2121		he->trace_output = get_trace_output(he);
2122
2123	field = hde->field;
2124	namelen = strlen(field->name);
2125	str = he->trace_output;
2126
2127	while (str) {
2128		pos = strchr(str, ' ');
2129		if (pos == NULL) {
2130			last = true;
2131			pos = str + strlen(str);
2132		}
2133
2134		if (!strncmp(str, field->name, namelen)) {
2135			str += namelen + 1;
2136			str = strndup(str, pos - str);
2137
2138			if (str == NULL)
2139				return scnprintf(hpp->buf, hpp->size,
2140						 "%*.*s", len, len, "ERROR");
2141			break;
2142		}
2143
2144		if (last)
2145			str = NULL;
2146		else
2147			str = pos + 1;
2148	}
2149
2150	if (str == NULL) {
2151		struct trace_seq seq;
2152raw_field:
2153		trace_seq_init(&seq);
2154		tep_print_field(&seq, he->raw_data, hde->field);
2155		str = seq.buffer;
2156	}
2157
2158	ret = scnprintf(hpp->buf, hpp->size, "%*.*s", len, len, str);
2159	free(str);
2160	return ret;
2161}
2162
2163static int64_t __sort__hde_cmp(struct perf_hpp_fmt *fmt,
2164			       struct hist_entry *a, struct hist_entry *b)
2165{
2166	struct hpp_dynamic_entry *hde;
2167	struct tep_format_field *field;
2168	unsigned offset, size;
2169
2170	hde = container_of(fmt, struct hpp_dynamic_entry, hpp);
2171
2172	if (b == NULL) {
2173		update_dynamic_len(hde, a);
2174		return 0;
2175	}
2176
2177	field = hde->field;
2178	if (field->flags & TEP_FIELD_IS_DYNAMIC) {
2179		unsigned long long dyn;
2180
2181		tep_read_number_field(field, a->raw_data, &dyn);
2182		offset = dyn & 0xffff;
2183		size = (dyn >> 16) & 0xffff;
2184
 
 
 
2185		/* record max width for output */
2186		if (size > hde->dynamic_len)
2187			hde->dynamic_len = size;
2188	} else {
2189		offset = field->offset;
2190		size = field->size;
2191	}
2192
2193	return memcmp(a->raw_data + offset, b->raw_data + offset, size);
2194}
2195
2196bool perf_hpp__is_dynamic_entry(struct perf_hpp_fmt *fmt)
2197{
2198	return fmt->cmp == __sort__hde_cmp;
2199}
2200
2201static bool __sort__hde_equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b)
2202{
2203	struct hpp_dynamic_entry *hde_a;
2204	struct hpp_dynamic_entry *hde_b;
2205
2206	if (!perf_hpp__is_dynamic_entry(a) || !perf_hpp__is_dynamic_entry(b))
2207		return false;
2208
2209	hde_a = container_of(a, struct hpp_dynamic_entry, hpp);
2210	hde_b = container_of(b, struct hpp_dynamic_entry, hpp);
2211
2212	return hde_a->field == hde_b->field;
2213}
2214
2215static void hde_free(struct perf_hpp_fmt *fmt)
2216{
2217	struct hpp_dynamic_entry *hde;
2218
2219	hde = container_of(fmt, struct hpp_dynamic_entry, hpp);
2220	free(hde);
2221}
2222
 
 
 
 
 
 
 
 
 
 
 
2223static struct hpp_dynamic_entry *
2224__alloc_dynamic_entry(struct evsel *evsel, struct tep_format_field *field,
2225		      int level)
2226{
2227	struct hpp_dynamic_entry *hde;
2228
2229	hde = malloc(sizeof(*hde));
2230	if (hde == NULL) {
2231		pr_debug("Memory allocation failed\n");
2232		return NULL;
2233	}
2234
2235	hde->evsel = evsel;
2236	hde->field = field;
2237	hde->dynamic_len = 0;
2238
2239	hde->hpp.name = field->name;
2240	hde->hpp.header = __sort__hde_header;
2241	hde->hpp.width  = __sort__hde_width;
2242	hde->hpp.entry  = __sort__hde_entry;
2243	hde->hpp.color  = NULL;
2244
 
2245	hde->hpp.cmp = __sort__hde_cmp;
2246	hde->hpp.collapse = __sort__hde_cmp;
2247	hde->hpp.sort = __sort__hde_cmp;
2248	hde->hpp.equal = __sort__hde_equal;
2249	hde->hpp.free = hde_free;
2250
2251	INIT_LIST_HEAD(&hde->hpp.list);
2252	INIT_LIST_HEAD(&hde->hpp.sort_list);
2253	hde->hpp.elide = false;
2254	hde->hpp.len = 0;
2255	hde->hpp.user_len = 0;
2256	hde->hpp.level = level;
2257
2258	return hde;
2259}
 
2260
2261struct perf_hpp_fmt *perf_hpp_fmt__dup(struct perf_hpp_fmt *fmt)
2262{
2263	struct perf_hpp_fmt *new_fmt = NULL;
2264
2265	if (perf_hpp__is_sort_entry(fmt)) {
2266		struct hpp_sort_entry *hse, *new_hse;
2267
2268		hse = container_of(fmt, struct hpp_sort_entry, hpp);
2269		new_hse = memdup(hse, sizeof(*hse));
2270		if (new_hse)
2271			new_fmt = &new_hse->hpp;
 
2272	} else if (perf_hpp__is_dynamic_entry(fmt)) {
2273		struct hpp_dynamic_entry *hde, *new_hde;
2274
2275		hde = container_of(fmt, struct hpp_dynamic_entry, hpp);
2276		new_hde = memdup(hde, sizeof(*hde));
2277		if (new_hde)
2278			new_fmt = &new_hde->hpp;
 
2279	} else {
2280		new_fmt = memdup(fmt, sizeof(*fmt));
2281	}
2282
2283	INIT_LIST_HEAD(&new_fmt->list);
2284	INIT_LIST_HEAD(&new_fmt->sort_list);
2285
2286	return new_fmt;
2287}
2288
2289static int parse_field_name(char *str, char **event, char **field, char **opt)
2290{
2291	char *event_name, *field_name, *opt_name;
2292
2293	event_name = str;
2294	field_name = strchr(str, '.');
2295
2296	if (field_name) {
2297		*field_name++ = '\0';
2298	} else {
2299		event_name = NULL;
2300		field_name = str;
2301	}
2302
2303	opt_name = strchr(field_name, '/');
2304	if (opt_name)
2305		*opt_name++ = '\0';
2306
2307	*event = event_name;
2308	*field = field_name;
2309	*opt   = opt_name;
2310
2311	return 0;
2312}
2313
2314/* find match evsel using a given event name.  The event name can be:
2315 *   1. '%' + event index (e.g. '%1' for first event)
2316 *   2. full event name (e.g. sched:sched_switch)
2317 *   3. partial event name (should not contain ':')
2318 */
2319static struct evsel *find_evsel(struct evlist *evlist, char *event_name)
2320{
2321	struct evsel *evsel = NULL;
2322	struct evsel *pos;
2323	bool full_name;
2324
2325	/* case 1 */
2326	if (event_name[0] == '%') {
2327		int nr = strtol(event_name+1, NULL, 0);
2328
2329		if (nr > evlist->core.nr_entries)
2330			return NULL;
2331
2332		evsel = evlist__first(evlist);
2333		while (--nr > 0)
2334			evsel = perf_evsel__next(evsel);
2335
2336		return evsel;
2337	}
2338
2339	full_name = !!strchr(event_name, ':');
2340	evlist__for_each_entry(evlist, pos) {
2341		/* case 2 */
2342		if (full_name && !strcmp(pos->name, event_name))
2343			return pos;
2344		/* case 3 */
2345		if (!full_name && strstr(pos->name, event_name)) {
2346			if (evsel) {
2347				pr_debug("'%s' event is ambiguous: it can be %s or %s\n",
2348					 event_name, evsel->name, pos->name);
2349				return NULL;
2350			}
2351			evsel = pos;
2352		}
2353	}
2354
2355	return evsel;
2356}
2357
 
2358static int __dynamic_dimension__add(struct evsel *evsel,
2359				    struct tep_format_field *field,
2360				    bool raw_trace, int level)
2361{
2362	struct hpp_dynamic_entry *hde;
2363
2364	hde = __alloc_dynamic_entry(evsel, field, level);
2365	if (hde == NULL)
2366		return -ENOMEM;
2367
2368	hde->raw_trace = raw_trace;
2369
2370	perf_hpp__register_sort_field(&hde->hpp);
2371	return 0;
2372}
2373
2374static int add_evsel_fields(struct evsel *evsel, bool raw_trace, int level)
2375{
2376	int ret;
2377	struct tep_format_field *field;
2378
2379	field = evsel->tp_format->format.fields;
2380	while (field) {
2381		ret = __dynamic_dimension__add(evsel, field, raw_trace, level);
2382		if (ret < 0)
2383			return ret;
2384
2385		field = field->next;
2386	}
2387	return 0;
2388}
2389
2390static int add_all_dynamic_fields(struct evlist *evlist, bool raw_trace,
2391				  int level)
2392{
2393	int ret;
2394	struct evsel *evsel;
2395
2396	evlist__for_each_entry(evlist, evsel) {
2397		if (evsel->core.attr.type != PERF_TYPE_TRACEPOINT)
2398			continue;
2399
2400		ret = add_evsel_fields(evsel, raw_trace, level);
2401		if (ret < 0)
2402			return ret;
2403	}
2404	return 0;
2405}
2406
2407static int add_all_matching_fields(struct evlist *evlist,
2408				   char *field_name, bool raw_trace, int level)
2409{
2410	int ret = -ESRCH;
2411	struct evsel *evsel;
2412	struct tep_format_field *field;
2413
2414	evlist__for_each_entry(evlist, evsel) {
2415		if (evsel->core.attr.type != PERF_TYPE_TRACEPOINT)
2416			continue;
2417
2418		field = tep_find_any_field(evsel->tp_format, field_name);
2419		if (field == NULL)
2420			continue;
2421
2422		ret = __dynamic_dimension__add(evsel, field, raw_trace, level);
2423		if (ret < 0)
2424			break;
2425	}
2426	return ret;
2427}
 
2428
2429static int add_dynamic_entry(struct evlist *evlist, const char *tok,
2430			     int level)
2431{
2432	char *str, *event_name, *field_name, *opt_name;
2433	struct evsel *evsel;
2434	struct tep_format_field *field;
2435	bool raw_trace = symbol_conf.raw_trace;
2436	int ret = 0;
2437
2438	if (evlist == NULL)
2439		return -ENOENT;
2440
2441	str = strdup(tok);
2442	if (str == NULL)
2443		return -ENOMEM;
2444
2445	if (parse_field_name(str, &event_name, &field_name, &opt_name) < 0) {
2446		ret = -EINVAL;
2447		goto out;
2448	}
2449
2450	if (opt_name) {
2451		if (strcmp(opt_name, "raw")) {
2452			pr_debug("unsupported field option %s\n", opt_name);
2453			ret = -EINVAL;
2454			goto out;
2455		}
2456		raw_trace = true;
2457	}
2458
 
2459	if (!strcmp(field_name, "trace_fields")) {
2460		ret = add_all_dynamic_fields(evlist, raw_trace, level);
2461		goto out;
2462	}
2463
2464	if (event_name == NULL) {
2465		ret = add_all_matching_fields(evlist, field_name, raw_trace, level);
2466		goto out;
2467	}
 
 
 
 
 
 
 
 
 
 
 
 
 
2468
2469	evsel = find_evsel(evlist, event_name);
2470	if (evsel == NULL) {
2471		pr_debug("Cannot find event: %s\n", event_name);
2472		ret = -ENOENT;
2473		goto out;
2474	}
2475
2476	if (evsel->core.attr.type != PERF_TYPE_TRACEPOINT) {
2477		pr_debug("%s is not a tracepoint event\n", event_name);
2478		ret = -EINVAL;
2479		goto out;
2480	}
2481
 
2482	if (!strcmp(field_name, "*")) {
2483		ret = add_evsel_fields(evsel, raw_trace, level);
2484	} else {
2485		field = tep_find_any_field(evsel->tp_format, field_name);
 
2486		if (field == NULL) {
2487			pr_debug("Cannot find event field for %s.%s\n",
2488				 event_name, field_name);
2489			return -ENOENT;
2490		}
2491
2492		ret = __dynamic_dimension__add(evsel, field, raw_trace, level);
2493	}
 
 
 
 
2494
2495out:
2496	free(str);
2497	return ret;
2498}
2499
2500static int __sort_dimension__add(struct sort_dimension *sd,
2501				 struct perf_hpp_list *list,
2502				 int level)
2503{
2504	if (sd->taken)
2505		return 0;
2506
2507	if (__sort_dimension__add_hpp_sort(sd, list, level) < 0)
2508		return -1;
2509
2510	if (sd->entry->se_collapse)
2511		list->need_collapse = 1;
2512
2513	sd->taken = 1;
2514
2515	return 0;
2516}
2517
2518static int __hpp_dimension__add(struct hpp_dimension *hd,
2519				struct perf_hpp_list *list,
2520				int level)
2521{
2522	struct perf_hpp_fmt *fmt;
2523
2524	if (hd->taken)
2525		return 0;
2526
2527	fmt = __hpp_dimension__alloc_hpp(hd, level);
2528	if (!fmt)
2529		return -1;
2530
2531	hd->taken = 1;
2532	perf_hpp_list__register_sort_field(list, fmt);
2533	return 0;
2534}
2535
2536static int __sort_dimension__add_output(struct perf_hpp_list *list,
2537					struct sort_dimension *sd)
2538{
2539	if (sd->taken)
2540		return 0;
2541
2542	if (__sort_dimension__add_hpp_output(sd, list) < 0)
2543		return -1;
2544
2545	sd->taken = 1;
2546	return 0;
2547}
2548
2549static int __hpp_dimension__add_output(struct perf_hpp_list *list,
2550				       struct hpp_dimension *hd)
2551{
2552	struct perf_hpp_fmt *fmt;
2553
2554	if (hd->taken)
2555		return 0;
2556
2557	fmt = __hpp_dimension__alloc_hpp(hd, 0);
2558	if (!fmt)
2559		return -1;
2560
2561	hd->taken = 1;
2562	perf_hpp_list__column_register(list, fmt);
2563	return 0;
2564}
2565
2566int hpp_dimension__add_output(unsigned col)
2567{
2568	BUG_ON(col >= PERF_HPP__MAX_INDEX);
2569	return __hpp_dimension__add_output(&perf_hpp_list, &hpp_sort_dimensions[col]);
2570}
2571
2572int sort_dimension__add(struct perf_hpp_list *list, const char *tok,
2573			struct evlist *evlist,
2574			int level)
2575{
2576	unsigned int i;
 
 
 
 
 
 
 
 
 
 
 
 
 
2577
2578	for (i = 0; i < ARRAY_SIZE(common_sort_dimensions); i++) {
2579		struct sort_dimension *sd = &common_sort_dimensions[i];
2580
2581		if (strncasecmp(tok, sd->name, strlen(tok)))
2582			continue;
2583
 
 
 
 
 
2584		if (sd->entry == &sort_parent) {
2585			int ret = regcomp(&parent_regex, parent_pattern, REG_EXTENDED);
2586			if (ret) {
2587				char err[BUFSIZ];
2588
2589				regerror(ret, &parent_regex, err, sizeof(err));
2590				pr_err("Invalid regex: %s\n%s", parent_pattern, err);
2591				return -EINVAL;
2592			}
2593			list->parent = 1;
2594		} else if (sd->entry == &sort_sym) {
2595			list->sym = 1;
2596			/*
2597			 * perf diff displays the performance difference amongst
2598			 * two or more perf.data files. Those files could come
2599			 * from different binaries. So we should not compare
2600			 * their ips, but the name of symbol.
2601			 */
2602			if (sort__mode == SORT_MODE__DIFF)
2603				sd->entry->se_collapse = sort__sym_sort;
2604
2605		} else if (sd->entry == &sort_dso) {
2606			list->dso = 1;
2607		} else if (sd->entry == &sort_socket) {
2608			list->socket = 1;
2609		} else if (sd->entry == &sort_thread) {
2610			list->thread = 1;
2611		} else if (sd->entry == &sort_comm) {
2612			list->comm = 1;
2613		}
2614
2615		return __sort_dimension__add(sd, list, level);
2616	}
2617
2618	for (i = 0; i < ARRAY_SIZE(hpp_sort_dimensions); i++) {
2619		struct hpp_dimension *hd = &hpp_sort_dimensions[i];
2620
2621		if (strncasecmp(tok, hd->name, strlen(tok)))
2622			continue;
2623
2624		return __hpp_dimension__add(hd, list, level);
2625	}
2626
2627	for (i = 0; i < ARRAY_SIZE(bstack_sort_dimensions); i++) {
2628		struct sort_dimension *sd = &bstack_sort_dimensions[i];
2629
2630		if (strncasecmp(tok, sd->name, strlen(tok)))
2631			continue;
2632
2633		if (sort__mode != SORT_MODE__BRANCH)
2634			return -EINVAL;
2635
2636		if (sd->entry == &sort_sym_from || sd->entry == &sort_sym_to)
2637			list->sym = 1;
2638
2639		__sort_dimension__add(sd, list, level);
2640		return 0;
2641	}
2642
2643	for (i = 0; i < ARRAY_SIZE(memory_sort_dimensions); i++) {
2644		struct sort_dimension *sd = &memory_sort_dimensions[i];
2645
2646		if (strncasecmp(tok, sd->name, strlen(tok)))
2647			continue;
2648
2649		if (sort__mode != SORT_MODE__MEMORY)
2650			return -EINVAL;
2651
2652		if (sd->entry == &sort_mem_dcacheline && cacheline_size() == 0)
2653			return -EINVAL;
2654
2655		if (sd->entry == &sort_mem_daddr_sym)
2656			list->sym = 1;
2657
2658		__sort_dimension__add(sd, list, level);
2659		return 0;
2660	}
2661
2662	if (!add_dynamic_entry(evlist, tok, level))
2663		return 0;
2664
2665	return -ESRCH;
2666}
2667
2668static int setup_sort_list(struct perf_hpp_list *list, char *str,
2669			   struct evlist *evlist)
2670{
2671	char *tmp, *tok;
2672	int ret = 0;
2673	int level = 0;
2674	int next_level = 1;
2675	bool in_group = false;
2676
2677	do {
2678		tok = str;
2679		tmp = strpbrk(str, "{}, ");
2680		if (tmp) {
2681			if (in_group)
2682				next_level = level;
2683			else
2684				next_level = level + 1;
2685
2686			if (*tmp == '{')
2687				in_group = true;
2688			else if (*tmp == '}')
2689				in_group = false;
2690
2691			*tmp = '\0';
2692			str = tmp + 1;
2693		}
2694
2695		if (*tok) {
2696			ret = sort_dimension__add(list, tok, evlist, level);
2697			if (ret == -EINVAL) {
2698				if (!cacheline_size() && !strncasecmp(tok, "dcacheline", strlen(tok)))
2699					pr_err("The \"dcacheline\" --sort key needs to know the cacheline size and it couldn't be determined on this system");
2700				else
2701					pr_err("Invalid --sort key: `%s'", tok);
2702				break;
2703			} else if (ret == -ESRCH) {
2704				pr_err("Unknown --sort key: `%s'", tok);
2705				break;
2706			}
2707		}
2708
2709		level = next_level;
2710	} while (tmp);
2711
2712	return ret;
2713}
2714
2715static const char *get_default_sort_order(struct evlist *evlist)
2716{
2717	const char *default_sort_orders[] = {
2718		default_sort_order,
2719		default_branch_sort_order,
2720		default_mem_sort_order,
2721		default_top_sort_order,
2722		default_diff_sort_order,
2723		default_tracepoint_sort_order,
2724	};
2725	bool use_trace = true;
2726	struct evsel *evsel;
2727
2728	BUG_ON(sort__mode >= ARRAY_SIZE(default_sort_orders));
2729
2730	if (evlist == NULL || perf_evlist__empty(evlist))
2731		goto out_no_evlist;
2732
2733	evlist__for_each_entry(evlist, evsel) {
2734		if (evsel->core.attr.type != PERF_TYPE_TRACEPOINT) {
2735			use_trace = false;
2736			break;
2737		}
2738	}
2739
2740	if (use_trace) {
2741		sort__mode = SORT_MODE__TRACEPOINT;
2742		if (symbol_conf.raw_trace)
2743			return "trace_fields";
2744	}
2745out_no_evlist:
2746	return default_sort_orders[sort__mode];
2747}
2748
2749static int setup_sort_order(struct evlist *evlist)
2750{
2751	char *new_sort_order;
2752
2753	/*
2754	 * Append '+'-prefixed sort order to the default sort
2755	 * order string.
2756	 */
2757	if (!sort_order || is_strict_order(sort_order))
2758		return 0;
2759
2760	if (sort_order[1] == '\0') {
2761		pr_err("Invalid --sort key: `+'");
2762		return -EINVAL;
2763	}
2764
2765	/*
2766	 * We allocate new sort_order string, but we never free it,
2767	 * because it's checked over the rest of the code.
2768	 */
2769	if (asprintf(&new_sort_order, "%s,%s",
2770		     get_default_sort_order(evlist), sort_order + 1) < 0) {
2771		pr_err("Not enough memory to set up --sort");
2772		return -ENOMEM;
2773	}
2774
2775	sort_order = new_sort_order;
2776	return 0;
2777}
2778
2779/*
2780 * Adds 'pre,' prefix into 'str' is 'pre' is
2781 * not already part of 'str'.
2782 */
2783static char *prefix_if_not_in(const char *pre, char *str)
2784{
2785	char *n;
2786
2787	if (!str || strstr(str, pre))
2788		return str;
2789
2790	if (asprintf(&n, "%s,%s", pre, str) < 0)
2791		return NULL;
2792
2793	free(str);
2794	return n;
2795}
2796
2797static char *setup_overhead(char *keys)
2798{
2799	if (sort__mode == SORT_MODE__DIFF)
2800		return keys;
2801
2802	keys = prefix_if_not_in("overhead", keys);
2803
2804	if (symbol_conf.cumulate_callchain)
2805		keys = prefix_if_not_in("overhead_children", keys);
2806
2807	return keys;
2808}
2809
2810static int __setup_sorting(struct evlist *evlist)
2811{
2812	char *str;
2813	const char *sort_keys;
2814	int ret = 0;
2815
2816	ret = setup_sort_order(evlist);
2817	if (ret)
2818		return ret;
2819
2820	sort_keys = sort_order;
2821	if (sort_keys == NULL) {
2822		if (is_strict_order(field_order)) {
2823			/*
2824			 * If user specified field order but no sort order,
2825			 * we'll honor it and not add default sort orders.
2826			 */
2827			return 0;
2828		}
2829
2830		sort_keys = get_default_sort_order(evlist);
2831	}
2832
2833	str = strdup(sort_keys);
2834	if (str == NULL) {
2835		pr_err("Not enough memory to setup sort keys");
2836		return -ENOMEM;
2837	}
2838
2839	/*
2840	 * Prepend overhead fields for backward compatibility.
2841	 */
2842	if (!is_strict_order(field_order)) {
2843		str = setup_overhead(str);
2844		if (str == NULL) {
2845			pr_err("Not enough memory to setup overhead keys");
2846			return -ENOMEM;
2847		}
2848	}
2849
2850	ret = setup_sort_list(&perf_hpp_list, str, evlist);
2851
2852	free(str);
2853	return ret;
2854}
2855
2856void perf_hpp__set_elide(int idx, bool elide)
2857{
2858	struct perf_hpp_fmt *fmt;
2859	struct hpp_sort_entry *hse;
2860
2861	perf_hpp_list__for_each_format(&perf_hpp_list, fmt) {
2862		if (!perf_hpp__is_sort_entry(fmt))
2863			continue;
2864
2865		hse = container_of(fmt, struct hpp_sort_entry, hpp);
2866		if (hse->se->se_width_idx == idx) {
2867			fmt->elide = elide;
2868			break;
2869		}
2870	}
2871}
2872
2873static bool __get_elide(struct strlist *list, const char *list_name, FILE *fp)
2874{
2875	if (list && strlist__nr_entries(list) == 1) {
2876		if (fp != NULL)
2877			fprintf(fp, "# %s: %s\n", list_name,
2878				strlist__entry(list, 0)->s);
2879		return true;
2880	}
2881	return false;
2882}
2883
2884static bool get_elide(int idx, FILE *output)
2885{
2886	switch (idx) {
2887	case HISTC_SYMBOL:
2888		return __get_elide(symbol_conf.sym_list, "symbol", output);
2889	case HISTC_DSO:
2890		return __get_elide(symbol_conf.dso_list, "dso", output);
2891	case HISTC_COMM:
2892		return __get_elide(symbol_conf.comm_list, "comm", output);
2893	default:
2894		break;
2895	}
2896
2897	if (sort__mode != SORT_MODE__BRANCH)
2898		return false;
2899
2900	switch (idx) {
2901	case HISTC_SYMBOL_FROM:
2902		return __get_elide(symbol_conf.sym_from_list, "sym_from", output);
2903	case HISTC_SYMBOL_TO:
2904		return __get_elide(symbol_conf.sym_to_list, "sym_to", output);
2905	case HISTC_DSO_FROM:
2906		return __get_elide(symbol_conf.dso_from_list, "dso_from", output);
2907	case HISTC_DSO_TO:
2908		return __get_elide(symbol_conf.dso_to_list, "dso_to", output);
 
 
 
 
2909	default:
2910		break;
2911	}
2912
2913	return false;
2914}
2915
2916void sort__setup_elide(FILE *output)
2917{
2918	struct perf_hpp_fmt *fmt;
2919	struct hpp_sort_entry *hse;
2920
2921	perf_hpp_list__for_each_format(&perf_hpp_list, fmt) {
2922		if (!perf_hpp__is_sort_entry(fmt))
2923			continue;
2924
2925		hse = container_of(fmt, struct hpp_sort_entry, hpp);
2926		fmt->elide = get_elide(hse->se->se_width_idx, output);
2927	}
2928
2929	/*
2930	 * It makes no sense to elide all of sort entries.
2931	 * Just revert them to show up again.
2932	 */
2933	perf_hpp_list__for_each_format(&perf_hpp_list, fmt) {
2934		if (!perf_hpp__is_sort_entry(fmt))
2935			continue;
2936
2937		if (!fmt->elide)
2938			return;
2939	}
2940
2941	perf_hpp_list__for_each_format(&perf_hpp_list, fmt) {
2942		if (!perf_hpp__is_sort_entry(fmt))
2943			continue;
2944
2945		fmt->elide = false;
2946	}
2947}
2948
2949int output_field_add(struct perf_hpp_list *list, char *tok)
2950{
2951	unsigned int i;
2952
2953	for (i = 0; i < ARRAY_SIZE(common_sort_dimensions); i++) {
2954		struct sort_dimension *sd = &common_sort_dimensions[i];
2955
2956		if (strncasecmp(tok, sd->name, strlen(tok)))
2957			continue;
2958
2959		return __sort_dimension__add_output(list, sd);
2960	}
2961
2962	for (i = 0; i < ARRAY_SIZE(hpp_sort_dimensions); i++) {
2963		struct hpp_dimension *hd = &hpp_sort_dimensions[i];
2964
2965		if (strncasecmp(tok, hd->name, strlen(tok)))
2966			continue;
2967
2968		return __hpp_dimension__add_output(list, hd);
2969	}
2970
2971	for (i = 0; i < ARRAY_SIZE(bstack_sort_dimensions); i++) {
2972		struct sort_dimension *sd = &bstack_sort_dimensions[i];
2973
2974		if (strncasecmp(tok, sd->name, strlen(tok)))
2975			continue;
2976
 
 
 
2977		return __sort_dimension__add_output(list, sd);
2978	}
2979
2980	for (i = 0; i < ARRAY_SIZE(memory_sort_dimensions); i++) {
2981		struct sort_dimension *sd = &memory_sort_dimensions[i];
2982
2983		if (strncasecmp(tok, sd->name, strlen(tok)))
2984			continue;
2985
 
 
 
2986		return __sort_dimension__add_output(list, sd);
2987	}
2988
2989	return -ESRCH;
2990}
2991
2992static int setup_output_list(struct perf_hpp_list *list, char *str)
2993{
2994	char *tmp, *tok;
2995	int ret = 0;
2996
2997	for (tok = strtok_r(str, ", ", &tmp);
2998			tok; tok = strtok_r(NULL, ", ", &tmp)) {
2999		ret = output_field_add(list, tok);
3000		if (ret == -EINVAL) {
3001			ui__error("Invalid --fields key: `%s'", tok);
3002			break;
3003		} else if (ret == -ESRCH) {
3004			ui__error("Unknown --fields key: `%s'", tok);
3005			break;
3006		}
3007	}
3008
3009	return ret;
3010}
3011
3012void reset_dimensions(void)
3013{
3014	unsigned int i;
3015
3016	for (i = 0; i < ARRAY_SIZE(common_sort_dimensions); i++)
3017		common_sort_dimensions[i].taken = 0;
3018
3019	for (i = 0; i < ARRAY_SIZE(hpp_sort_dimensions); i++)
3020		hpp_sort_dimensions[i].taken = 0;
3021
3022	for (i = 0; i < ARRAY_SIZE(bstack_sort_dimensions); i++)
3023		bstack_sort_dimensions[i].taken = 0;
3024
3025	for (i = 0; i < ARRAY_SIZE(memory_sort_dimensions); i++)
3026		memory_sort_dimensions[i].taken = 0;
3027}
3028
3029bool is_strict_order(const char *order)
3030{
3031	return order && (*order != '+');
3032}
3033
3034static int __setup_output_field(void)
3035{
3036	char *str, *strp;
3037	int ret = -EINVAL;
3038
3039	if (field_order == NULL)
3040		return 0;
3041
3042	strp = str = strdup(field_order);
3043	if (str == NULL) {
3044		pr_err("Not enough memory to setup output fields");
3045		return -ENOMEM;
3046	}
3047
3048	if (!is_strict_order(field_order))
3049		strp++;
3050
3051	if (!strlen(strp)) {
3052		pr_err("Invalid --fields key: `+'");
3053		goto out;
3054	}
3055
3056	ret = setup_output_list(&perf_hpp_list, strp);
3057
3058out:
3059	free(str);
3060	return ret;
3061}
3062
3063int setup_sorting(struct evlist *evlist)
3064{
3065	int err;
3066
3067	err = __setup_sorting(evlist);
3068	if (err < 0)
3069		return err;
3070
3071	if (parent_pattern != default_parent_pattern) {
3072		err = sort_dimension__add(&perf_hpp_list, "parent", evlist, -1);
3073		if (err < 0)
3074			return err;
3075	}
3076
3077	reset_dimensions();
3078
3079	/*
3080	 * perf diff doesn't use default hpp output fields.
3081	 */
3082	if (sort__mode != SORT_MODE__DIFF)
3083		perf_hpp__init();
3084
3085	err = __setup_output_field();
3086	if (err < 0)
3087		return err;
3088
3089	/* copy sort keys to output fields */
3090	perf_hpp__setup_output_field(&perf_hpp_list);
3091	/* and then copy output fields to sort keys */
3092	perf_hpp__append_sort_keys(&perf_hpp_list);
3093
3094	/* setup hists-specific output fields */
3095	if (perf_hpp__setup_hists_formats(&perf_hpp_list, evlist) < 0)
3096		return -1;
3097
3098	return 0;
3099}
3100
3101void reset_output_field(void)
3102{
3103	perf_hpp_list.need_collapse = 0;
3104	perf_hpp_list.parent = 0;
3105	perf_hpp_list.sym = 0;
3106	perf_hpp_list.dso = 0;
3107
3108	field_order = NULL;
3109	sort_order = NULL;
3110
3111	reset_dimensions();
3112	perf_hpp__reset_output_field(&perf_hpp_list);
3113}
3114
3115#define INDENT (3*8 + 1)
3116
3117static void add_key(struct strbuf *sb, const char *str, int *llen)
3118{
 
 
 
3119	if (*llen >= 75) {
3120		strbuf_addstr(sb, "\n\t\t\t ");
3121		*llen = INDENT;
3122	}
3123	strbuf_addf(sb, " %s", str);
3124	*llen += strlen(str) + 1;
3125}
3126
3127static void add_sort_string(struct strbuf *sb, struct sort_dimension *s, int n,
3128			    int *llen)
3129{
3130	int i;
3131
3132	for (i = 0; i < n; i++)
3133		add_key(sb, s[i].name, llen);
3134}
3135
3136static void add_hpp_sort_string(struct strbuf *sb, struct hpp_dimension *s, int n,
3137				int *llen)
3138{
3139	int i;
3140
3141	for (i = 0; i < n; i++)
3142		add_key(sb, s[i].name, llen);
3143}
3144
3145const char *sort_help(const char *prefix)
3146{
3147	struct strbuf sb;
3148	char *s;
3149	int len = strlen(prefix) + INDENT;
3150
3151	strbuf_init(&sb, 300);
3152	strbuf_addstr(&sb, prefix);
3153	add_hpp_sort_string(&sb, hpp_sort_dimensions,
3154			    ARRAY_SIZE(hpp_sort_dimensions), &len);
3155	add_sort_string(&sb, common_sort_dimensions,
3156			    ARRAY_SIZE(common_sort_dimensions), &len);
3157	add_sort_string(&sb, bstack_sort_dimensions,
3158			    ARRAY_SIZE(bstack_sort_dimensions), &len);
3159	add_sort_string(&sb, memory_sort_dimensions,
3160			    ARRAY_SIZE(memory_sort_dimensions), &len);
3161	s = strbuf_detach(&sb, NULL);
3162	strbuf_release(&sb);
3163	return s;
3164}
v6.2
   1// SPDX-License-Identifier: GPL-2.0
   2#include <errno.h>
   3#include <inttypes.h>
   4#include <regex.h>
   5#include <stdlib.h>
   6#include <linux/mman.h>
   7#include <linux/time64.h>
   8#include "debug.h"
   9#include "dso.h"
  10#include "sort.h"
  11#include "hist.h"
  12#include "cacheline.h"
  13#include "comm.h"
  14#include "map.h"
  15#include "maps.h"
  16#include "symbol.h"
  17#include "map_symbol.h"
  18#include "branch.h"
  19#include "thread.h"
  20#include "evsel.h"
  21#include "evlist.h"
  22#include "srcline.h"
  23#include "strlist.h"
  24#include "strbuf.h"
 
  25#include "mem-events.h"
  26#include "annotate.h"
  27#include "event.h"
  28#include "time-utils.h"
  29#include "cgroup.h"
  30#include "machine.h"
  31#include <linux/kernel.h>
  32#include <linux/string.h>
  33
  34#ifdef HAVE_LIBTRACEEVENT
  35#include <traceevent/event-parse.h>
  36#endif
  37
  38regex_t		parent_regex;
  39const char	default_parent_pattern[] = "^sys_|^do_page_fault";
  40const char	*parent_pattern = default_parent_pattern;
  41const char	*default_sort_order = "comm,dso,symbol";
  42const char	default_branch_sort_order[] = "comm,dso_from,symbol_from,symbol_to,cycles";
  43const char	default_mem_sort_order[] = "local_weight,mem,sym,dso,symbol_daddr,dso_daddr,snoop,tlb,locked,blocked,local_ins_lat,local_p_stage_cyc";
  44const char	default_top_sort_order[] = "dso,symbol";
  45const char	default_diff_sort_order[] = "dso,symbol";
  46const char	default_tracepoint_sort_order[] = "trace";
  47const char	*sort_order;
  48const char	*field_order;
  49regex_t		ignore_callees_regex;
  50int		have_ignore_callees = 0;
  51enum sort_mode	sort__mode = SORT_MODE__NORMAL;
  52static const char *const dynamic_headers[] = {"local_ins_lat", "ins_lat", "local_p_stage_cyc", "p_stage_cyc"};
  53static const char *const arch_specific_sort_keys[] = {"local_p_stage_cyc", "p_stage_cyc"};
  54
  55/*
  56 * Replaces all occurrences of a char used with the:
  57 *
  58 * -t, --field-separator
  59 *
  60 * option, that uses a special separator character and don't pad with spaces,
  61 * replacing all occurrences of this separator in symbol names (and other
  62 * output) with a '.' character, that thus it's the only non valid separator.
  63*/
  64static int repsep_snprintf(char *bf, size_t size, const char *fmt, ...)
  65{
  66	int n;
  67	va_list ap;
  68
  69	va_start(ap, fmt);
  70	n = vsnprintf(bf, size, fmt, ap);
  71	if (symbol_conf.field_sep && n > 0) {
  72		char *sep = bf;
  73
  74		while (1) {
  75			sep = strchr(sep, *symbol_conf.field_sep);
  76			if (sep == NULL)
  77				break;
  78			*sep = '.';
  79		}
  80	}
  81	va_end(ap);
  82
  83	if (n >= (int)size)
  84		return size - 1;
  85	return n;
  86}
  87
  88static int64_t cmp_null(const void *l, const void *r)
  89{
  90	if (!l && !r)
  91		return 0;
  92	else if (!l)
  93		return -1;
  94	else
  95		return 1;
  96}
  97
  98/* --sort pid */
  99
 100static int64_t
 101sort__thread_cmp(struct hist_entry *left, struct hist_entry *right)
 102{
 103	return right->thread->tid - left->thread->tid;
 104}
 105
 106static int hist_entry__thread_snprintf(struct hist_entry *he, char *bf,
 107				       size_t size, unsigned int width)
 108{
 109	const char *comm = thread__comm_str(he->thread);
 110
 111	width = max(7U, width) - 8;
 112	return repsep_snprintf(bf, size, "%7d:%-*.*s", he->thread->tid,
 113			       width, width, comm ?: "");
 114}
 115
 116static int hist_entry__thread_filter(struct hist_entry *he, int type, const void *arg)
 117{
 118	const struct thread *th = arg;
 119
 120	if (type != HIST_FILTER__THREAD)
 121		return -1;
 122
 123	return th && he->thread != th;
 124}
 125
 126struct sort_entry sort_thread = {
 127	.se_header	= "    Pid:Command",
 128	.se_cmp		= sort__thread_cmp,
 129	.se_snprintf	= hist_entry__thread_snprintf,
 130	.se_filter	= hist_entry__thread_filter,
 131	.se_width_idx	= HISTC_THREAD,
 132};
 133
 134/* --sort comm */
 135
 136/*
 137 * We can't use pointer comparison in functions below,
 138 * because it gives different results based on pointer
 139 * values, which could break some sorting assumptions.
 140 */
 141static int64_t
 142sort__comm_cmp(struct hist_entry *left, struct hist_entry *right)
 143{
 144	return strcmp(comm__str(right->comm), comm__str(left->comm));
 145}
 146
 147static int64_t
 148sort__comm_collapse(struct hist_entry *left, struct hist_entry *right)
 149{
 150	return strcmp(comm__str(right->comm), comm__str(left->comm));
 151}
 152
 153static int64_t
 154sort__comm_sort(struct hist_entry *left, struct hist_entry *right)
 155{
 156	return strcmp(comm__str(right->comm), comm__str(left->comm));
 157}
 158
 159static int hist_entry__comm_snprintf(struct hist_entry *he, char *bf,
 160				     size_t size, unsigned int width)
 161{
 162	return repsep_snprintf(bf, size, "%-*.*s", width, width, comm__str(he->comm));
 163}
 164
 165struct sort_entry sort_comm = {
 166	.se_header	= "Command",
 167	.se_cmp		= sort__comm_cmp,
 168	.se_collapse	= sort__comm_collapse,
 169	.se_sort	= sort__comm_sort,
 170	.se_snprintf	= hist_entry__comm_snprintf,
 171	.se_filter	= hist_entry__thread_filter,
 172	.se_width_idx	= HISTC_COMM,
 173};
 174
 175/* --sort dso */
 176
 177static int64_t _sort__dso_cmp(struct map *map_l, struct map *map_r)
 178{
 179	struct dso *dso_l = map_l ? map_l->dso : NULL;
 180	struct dso *dso_r = map_r ? map_r->dso : NULL;
 181	const char *dso_name_l, *dso_name_r;
 182
 183	if (!dso_l || !dso_r)
 184		return cmp_null(dso_r, dso_l);
 185
 186	if (verbose > 0) {
 187		dso_name_l = dso_l->long_name;
 188		dso_name_r = dso_r->long_name;
 189	} else {
 190		dso_name_l = dso_l->short_name;
 191		dso_name_r = dso_r->short_name;
 192	}
 193
 194	return strcmp(dso_name_l, dso_name_r);
 195}
 196
 197static int64_t
 198sort__dso_cmp(struct hist_entry *left, struct hist_entry *right)
 199{
 200	return _sort__dso_cmp(right->ms.map, left->ms.map);
 201}
 202
 203static int _hist_entry__dso_snprintf(struct map *map, char *bf,
 204				     size_t size, unsigned int width)
 205{
 206	if (map && map->dso) {
 207		const char *dso_name = verbose > 0 ? map->dso->long_name :
 208			map->dso->short_name;
 209		return repsep_snprintf(bf, size, "%-*.*s", width, width, dso_name);
 210	}
 211
 212	return repsep_snprintf(bf, size, "%-*.*s", width, width, "[unknown]");
 213}
 214
 215static int hist_entry__dso_snprintf(struct hist_entry *he, char *bf,
 216				    size_t size, unsigned int width)
 217{
 218	return _hist_entry__dso_snprintf(he->ms.map, bf, size, width);
 219}
 220
 221static int hist_entry__dso_filter(struct hist_entry *he, int type, const void *arg)
 222{
 223	const struct dso *dso = arg;
 224
 225	if (type != HIST_FILTER__DSO)
 226		return -1;
 227
 228	return dso && (!he->ms.map || he->ms.map->dso != dso);
 229}
 230
 231struct sort_entry sort_dso = {
 232	.se_header	= "Shared Object",
 233	.se_cmp		= sort__dso_cmp,
 234	.se_snprintf	= hist_entry__dso_snprintf,
 235	.se_filter	= hist_entry__dso_filter,
 236	.se_width_idx	= HISTC_DSO,
 237};
 238
 239/* --sort symbol */
 240
 241static int64_t _sort__addr_cmp(u64 left_ip, u64 right_ip)
 242{
 243	return (int64_t)(right_ip - left_ip);
 244}
 245
 246int64_t _sort__sym_cmp(struct symbol *sym_l, struct symbol *sym_r)
 247{
 248	if (!sym_l || !sym_r)
 249		return cmp_null(sym_l, sym_r);
 250
 251	if (sym_l == sym_r)
 252		return 0;
 253
 254	if (sym_l->inlined || sym_r->inlined) {
 255		int ret = strcmp(sym_l->name, sym_r->name);
 256
 257		if (ret)
 258			return ret;
 259		if ((sym_l->start <= sym_r->end) && (sym_l->end >= sym_r->start))
 260			return 0;
 261	}
 262
 263	if (sym_l->start != sym_r->start)
 264		return (int64_t)(sym_r->start - sym_l->start);
 265
 266	return (int64_t)(sym_r->end - sym_l->end);
 267}
 268
 269static int64_t
 270sort__sym_cmp(struct hist_entry *left, struct hist_entry *right)
 271{
 272	int64_t ret;
 273
 274	if (!left->ms.sym && !right->ms.sym)
 275		return _sort__addr_cmp(left->ip, right->ip);
 276
 277	/*
 278	 * comparing symbol address alone is not enough since it's a
 279	 * relative address within a dso.
 280	 */
 281	if (!hists__has(left->hists, dso) || hists__has(right->hists, dso)) {
 282		ret = sort__dso_cmp(left, right);
 283		if (ret != 0)
 284			return ret;
 285	}
 286
 287	return _sort__sym_cmp(left->ms.sym, right->ms.sym);
 288}
 289
 290static int64_t
 291sort__sym_sort(struct hist_entry *left, struct hist_entry *right)
 292{
 293	if (!left->ms.sym || !right->ms.sym)
 294		return cmp_null(left->ms.sym, right->ms.sym);
 295
 296	return strcmp(right->ms.sym->name, left->ms.sym->name);
 297}
 298
 299static int _hist_entry__sym_snprintf(struct map_symbol *ms,
 300				     u64 ip, char level, char *bf, size_t size,
 301				     unsigned int width)
 302{
 303	struct symbol *sym = ms->sym;
 304	struct map *map = ms->map;
 305	size_t ret = 0;
 306
 307	if (verbose > 0) {
 308		char o = map ? dso__symtab_origin(map->dso) : '!';
 309		u64 rip = ip;
 310
 311		if (map && map->dso && map->dso->kernel
 312		    && map->dso->adjust_symbols)
 313			rip = map->unmap_ip(map, ip);
 314
 315		ret += repsep_snprintf(bf, size, "%-#*llx %c ",
 316				       BITS_PER_LONG / 4 + 2, rip, o);
 317	}
 318
 319	ret += repsep_snprintf(bf + ret, size - ret, "[%c] ", level);
 320	if (sym && map) {
 321		if (sym->type == STT_OBJECT) {
 322			ret += repsep_snprintf(bf + ret, size - ret, "%s", sym->name);
 323			ret += repsep_snprintf(bf + ret, size - ret, "+0x%llx",
 324					ip - map->unmap_ip(map, sym->start));
 325		} else {
 326			ret += repsep_snprintf(bf + ret, size - ret, "%.*s",
 327					       width - ret,
 328					       sym->name);
 329			if (sym->inlined)
 330				ret += repsep_snprintf(bf + ret, size - ret,
 331						       " (inlined)");
 332		}
 333	} else {
 334		size_t len = BITS_PER_LONG / 4;
 335		ret += repsep_snprintf(bf + ret, size - ret, "%-#.*llx",
 336				       len, ip);
 337	}
 338
 339	return ret;
 340}
 341
 342int hist_entry__sym_snprintf(struct hist_entry *he, char *bf, size_t size, unsigned int width)
 
 343{
 344	return _hist_entry__sym_snprintf(&he->ms, he->ip,
 345					 he->level, bf, size, width);
 346}
 347
 348static int hist_entry__sym_filter(struct hist_entry *he, int type, const void *arg)
 349{
 350	const char *sym = arg;
 351
 352	if (type != HIST_FILTER__SYMBOL)
 353		return -1;
 354
 355	return sym && (!he->ms.sym || !strstr(he->ms.sym->name, sym));
 356}
 357
 358struct sort_entry sort_sym = {
 359	.se_header	= "Symbol",
 360	.se_cmp		= sort__sym_cmp,
 361	.se_sort	= sort__sym_sort,
 362	.se_snprintf	= hist_entry__sym_snprintf,
 363	.se_filter	= hist_entry__sym_filter,
 364	.se_width_idx	= HISTC_SYMBOL,
 365};
 366
 367/* --sort srcline */
 368
 369char *hist_entry__srcline(struct hist_entry *he)
 370{
 371	return map__srcline(he->ms.map, he->ip, he->ms.sym);
 372}
 373
 374static int64_t
 375sort__srcline_cmp(struct hist_entry *left, struct hist_entry *right)
 376{
 377	int64_t ret;
 378
 379	ret = _sort__addr_cmp(left->ip, right->ip);
 380	if (ret)
 381		return ret;
 382
 383	return sort__dso_cmp(left, right);
 384}
 385
 386static int64_t
 387sort__srcline_collapse(struct hist_entry *left, struct hist_entry *right)
 388{
 389	if (!left->srcline)
 390		left->srcline = hist_entry__srcline(left);
 391	if (!right->srcline)
 392		right->srcline = hist_entry__srcline(right);
 393
 394	return strcmp(right->srcline, left->srcline);
 395}
 396
 397static int64_t
 398sort__srcline_sort(struct hist_entry *left, struct hist_entry *right)
 399{
 400	return sort__srcline_collapse(left, right);
 401}
 402
 403static void
 404sort__srcline_init(struct hist_entry *he)
 405{
 406	if (!he->srcline)
 407		he->srcline = hist_entry__srcline(he);
 408}
 409
 410static int hist_entry__srcline_snprintf(struct hist_entry *he, char *bf,
 411					size_t size, unsigned int width)
 412{
 413	return repsep_snprintf(bf, size, "%-.*s", width, he->srcline);
 414}
 415
 416struct sort_entry sort_srcline = {
 417	.se_header	= "Source:Line",
 418	.se_cmp		= sort__srcline_cmp,
 419	.se_collapse	= sort__srcline_collapse,
 420	.se_sort	= sort__srcline_sort,
 421	.se_init	= sort__srcline_init,
 422	.se_snprintf	= hist_entry__srcline_snprintf,
 423	.se_width_idx	= HISTC_SRCLINE,
 424};
 425
 426/* --sort srcline_from */
 427
 428static char *addr_map_symbol__srcline(struct addr_map_symbol *ams)
 429{
 430	return map__srcline(ams->ms.map, ams->al_addr, ams->ms.sym);
 431}
 432
 433static int64_t
 434sort__srcline_from_cmp(struct hist_entry *left, struct hist_entry *right)
 435{
 436	return left->branch_info->from.addr - right->branch_info->from.addr;
 437}
 438
 439static int64_t
 440sort__srcline_from_collapse(struct hist_entry *left, struct hist_entry *right)
 441{
 442	if (!left->branch_info->srcline_from)
 443		left->branch_info->srcline_from = addr_map_symbol__srcline(&left->branch_info->from);
 444
 445	if (!right->branch_info->srcline_from)
 446		right->branch_info->srcline_from = addr_map_symbol__srcline(&right->branch_info->from);
 447
 448	return strcmp(right->branch_info->srcline_from, left->branch_info->srcline_from);
 449}
 450
 451static int64_t
 452sort__srcline_from_sort(struct hist_entry *left, struct hist_entry *right)
 453{
 454	return sort__srcline_from_collapse(left, right);
 455}
 456
 457static void sort__srcline_from_init(struct hist_entry *he)
 458{
 459	if (!he->branch_info->srcline_from)
 460		he->branch_info->srcline_from = addr_map_symbol__srcline(&he->branch_info->from);
 461}
 462
 463static int hist_entry__srcline_from_snprintf(struct hist_entry *he, char *bf,
 464					size_t size, unsigned int width)
 465{
 466	return repsep_snprintf(bf, size, "%-*.*s", width, width, he->branch_info->srcline_from);
 467}
 468
 469struct sort_entry sort_srcline_from = {
 470	.se_header	= "From Source:Line",
 471	.se_cmp		= sort__srcline_from_cmp,
 472	.se_collapse	= sort__srcline_from_collapse,
 473	.se_sort	= sort__srcline_from_sort,
 474	.se_init	= sort__srcline_from_init,
 475	.se_snprintf	= hist_entry__srcline_from_snprintf,
 476	.se_width_idx	= HISTC_SRCLINE_FROM,
 477};
 478
 479/* --sort srcline_to */
 480
 481static int64_t
 482sort__srcline_to_cmp(struct hist_entry *left, struct hist_entry *right)
 483{
 484	return left->branch_info->to.addr - right->branch_info->to.addr;
 485}
 486
 487static int64_t
 488sort__srcline_to_collapse(struct hist_entry *left, struct hist_entry *right)
 489{
 490	if (!left->branch_info->srcline_to)
 491		left->branch_info->srcline_to = addr_map_symbol__srcline(&left->branch_info->to);
 492
 493	if (!right->branch_info->srcline_to)
 494		right->branch_info->srcline_to = addr_map_symbol__srcline(&right->branch_info->to);
 495
 496	return strcmp(right->branch_info->srcline_to, left->branch_info->srcline_to);
 497}
 498
 499static int64_t
 500sort__srcline_to_sort(struct hist_entry *left, struct hist_entry *right)
 501{
 502	return sort__srcline_to_collapse(left, right);
 503}
 504
 505static void sort__srcline_to_init(struct hist_entry *he)
 506{
 507	if (!he->branch_info->srcline_to)
 508		he->branch_info->srcline_to = addr_map_symbol__srcline(&he->branch_info->to);
 509}
 510
 511static int hist_entry__srcline_to_snprintf(struct hist_entry *he, char *bf,
 512					size_t size, unsigned int width)
 513{
 514	return repsep_snprintf(bf, size, "%-*.*s", width, width, he->branch_info->srcline_to);
 515}
 516
 517struct sort_entry sort_srcline_to = {
 518	.se_header	= "To Source:Line",
 519	.se_cmp		= sort__srcline_to_cmp,
 520	.se_collapse	= sort__srcline_to_collapse,
 521	.se_sort	= sort__srcline_to_sort,
 522	.se_init	= sort__srcline_to_init,
 523	.se_snprintf	= hist_entry__srcline_to_snprintf,
 524	.se_width_idx	= HISTC_SRCLINE_TO,
 525};
 526
 527static int hist_entry__sym_ipc_snprintf(struct hist_entry *he, char *bf,
 528					size_t size, unsigned int width)
 529{
 530
 531	struct symbol *sym = he->ms.sym;
 532	struct annotation *notes;
 533	double ipc = 0.0, coverage = 0.0;
 534	char tmp[64];
 535
 536	if (!sym)
 537		return repsep_snprintf(bf, size, "%-*s", width, "-");
 538
 539	notes = symbol__annotation(sym);
 540
 541	if (notes->hit_cycles)
 542		ipc = notes->hit_insn / ((double)notes->hit_cycles);
 543
 544	if (notes->total_insn) {
 545		coverage = notes->cover_insn * 100.0 /
 546			((double)notes->total_insn);
 547	}
 548
 549	snprintf(tmp, sizeof(tmp), "%-5.2f [%5.1f%%]", ipc, coverage);
 550	return repsep_snprintf(bf, size, "%-*s", width, tmp);
 551}
 552
 553struct sort_entry sort_sym_ipc = {
 554	.se_header	= "IPC   [IPC Coverage]",
 555	.se_cmp		= sort__sym_cmp,
 556	.se_snprintf	= hist_entry__sym_ipc_snprintf,
 557	.se_width_idx	= HISTC_SYMBOL_IPC,
 558};
 559
 560static int hist_entry__sym_ipc_null_snprintf(struct hist_entry *he
 561					     __maybe_unused,
 562					     char *bf, size_t size,
 563					     unsigned int width)
 564{
 565	char tmp[64];
 566
 567	snprintf(tmp, sizeof(tmp), "%-5s %2s", "-", "-");
 568	return repsep_snprintf(bf, size, "%-*s", width, tmp);
 569}
 570
 571struct sort_entry sort_sym_ipc_null = {
 572	.se_header	= "IPC   [IPC Coverage]",
 573	.se_cmp		= sort__sym_cmp,
 574	.se_snprintf	= hist_entry__sym_ipc_null_snprintf,
 575	.se_width_idx	= HISTC_SYMBOL_IPC,
 576};
 577
 578/* --sort srcfile */
 579
 580static char no_srcfile[1];
 581
 582static char *hist_entry__get_srcfile(struct hist_entry *e)
 583{
 584	char *sf, *p;
 585	struct map *map = e->ms.map;
 586
 587	if (!map)
 588		return no_srcfile;
 589
 590	sf = __get_srcline(map->dso, map__rip_2objdump(map, e->ip),
 591			 e->ms.sym, false, true, true, e->ip);
 592	if (!strcmp(sf, SRCLINE_UNKNOWN))
 593		return no_srcfile;
 594	p = strchr(sf, ':');
 595	if (p && *sf) {
 596		*p = 0;
 597		return sf;
 598	}
 599	free(sf);
 600	return no_srcfile;
 601}
 602
 603static int64_t
 604sort__srcfile_cmp(struct hist_entry *left, struct hist_entry *right)
 605{
 606	if (!left->srcfile)
 607		left->srcfile = hist_entry__get_srcfile(left);
 608	if (!right->srcfile)
 609		right->srcfile = hist_entry__get_srcfile(right);
 610
 611	return strcmp(right->srcfile, left->srcfile);
 612}
 613
 614static int64_t
 615sort__srcfile_collapse(struct hist_entry *left, struct hist_entry *right)
 616{
 617	if (!left->srcfile)
 618		left->srcfile = hist_entry__get_srcfile(left);
 619	if (!right->srcfile)
 620		right->srcfile = hist_entry__get_srcfile(right);
 621
 622	return strcmp(right->srcfile, left->srcfile);
 623}
 624
 625static int64_t
 626sort__srcfile_sort(struct hist_entry *left, struct hist_entry *right)
 627{
 628	return sort__srcfile_collapse(left, right);
 629}
 630
 631static void sort__srcfile_init(struct hist_entry *he)
 632{
 633	if (!he->srcfile)
 634		he->srcfile = hist_entry__get_srcfile(he);
 635}
 636
 637static int hist_entry__srcfile_snprintf(struct hist_entry *he, char *bf,
 638					size_t size, unsigned int width)
 639{
 640	return repsep_snprintf(bf, size, "%-.*s", width, he->srcfile);
 641}
 642
 643struct sort_entry sort_srcfile = {
 644	.se_header	= "Source File",
 645	.se_cmp		= sort__srcfile_cmp,
 646	.se_collapse	= sort__srcfile_collapse,
 647	.se_sort	= sort__srcfile_sort,
 648	.se_init	= sort__srcfile_init,
 649	.se_snprintf	= hist_entry__srcfile_snprintf,
 650	.se_width_idx	= HISTC_SRCFILE,
 651};
 652
 653/* --sort parent */
 654
 655static int64_t
 656sort__parent_cmp(struct hist_entry *left, struct hist_entry *right)
 657{
 658	struct symbol *sym_l = left->parent;
 659	struct symbol *sym_r = right->parent;
 660
 661	if (!sym_l || !sym_r)
 662		return cmp_null(sym_l, sym_r);
 663
 664	return strcmp(sym_r->name, sym_l->name);
 665}
 666
 667static int hist_entry__parent_snprintf(struct hist_entry *he, char *bf,
 668				       size_t size, unsigned int width)
 669{
 670	return repsep_snprintf(bf, size, "%-*.*s", width, width,
 671			      he->parent ? he->parent->name : "[other]");
 672}
 673
 674struct sort_entry sort_parent = {
 675	.se_header	= "Parent symbol",
 676	.se_cmp		= sort__parent_cmp,
 677	.se_snprintf	= hist_entry__parent_snprintf,
 678	.se_width_idx	= HISTC_PARENT,
 679};
 680
 681/* --sort cpu */
 682
 683static int64_t
 684sort__cpu_cmp(struct hist_entry *left, struct hist_entry *right)
 685{
 686	return right->cpu - left->cpu;
 687}
 688
 689static int hist_entry__cpu_snprintf(struct hist_entry *he, char *bf,
 690				    size_t size, unsigned int width)
 691{
 692	return repsep_snprintf(bf, size, "%*.*d", width, width, he->cpu);
 693}
 694
 695struct sort_entry sort_cpu = {
 696	.se_header      = "CPU",
 697	.se_cmp	        = sort__cpu_cmp,
 698	.se_snprintf    = hist_entry__cpu_snprintf,
 699	.se_width_idx	= HISTC_CPU,
 700};
 701
 702/* --sort cgroup_id */
 703
 704static int64_t _sort__cgroup_dev_cmp(u64 left_dev, u64 right_dev)
 705{
 706	return (int64_t)(right_dev - left_dev);
 707}
 708
 709static int64_t _sort__cgroup_inode_cmp(u64 left_ino, u64 right_ino)
 710{
 711	return (int64_t)(right_ino - left_ino);
 712}
 713
 714static int64_t
 715sort__cgroup_id_cmp(struct hist_entry *left, struct hist_entry *right)
 716{
 717	int64_t ret;
 718
 719	ret = _sort__cgroup_dev_cmp(right->cgroup_id.dev, left->cgroup_id.dev);
 720	if (ret != 0)
 721		return ret;
 722
 723	return _sort__cgroup_inode_cmp(right->cgroup_id.ino,
 724				       left->cgroup_id.ino);
 725}
 726
 727static int hist_entry__cgroup_id_snprintf(struct hist_entry *he,
 728					  char *bf, size_t size,
 729					  unsigned int width __maybe_unused)
 730{
 731	return repsep_snprintf(bf, size, "%lu/0x%lx", he->cgroup_id.dev,
 732			       he->cgroup_id.ino);
 733}
 734
 735struct sort_entry sort_cgroup_id = {
 736	.se_header      = "cgroup id (dev/inode)",
 737	.se_cmp	        = sort__cgroup_id_cmp,
 738	.se_snprintf    = hist_entry__cgroup_id_snprintf,
 739	.se_width_idx	= HISTC_CGROUP_ID,
 740};
 741
 742/* --sort cgroup */
 743
 744static int64_t
 745sort__cgroup_cmp(struct hist_entry *left, struct hist_entry *right)
 746{
 747	return right->cgroup - left->cgroup;
 748}
 749
 750static int hist_entry__cgroup_snprintf(struct hist_entry *he,
 751				       char *bf, size_t size,
 752				       unsigned int width __maybe_unused)
 753{
 754	const char *cgrp_name = "N/A";
 755
 756	if (he->cgroup) {
 757		struct cgroup *cgrp = cgroup__find(he->ms.maps->machine->env,
 758						   he->cgroup);
 759		if (cgrp != NULL)
 760			cgrp_name = cgrp->name;
 761		else
 762			cgrp_name = "unknown";
 763	}
 764
 765	return repsep_snprintf(bf, size, "%s", cgrp_name);
 766}
 767
 768struct sort_entry sort_cgroup = {
 769	.se_header      = "Cgroup",
 770	.se_cmp	        = sort__cgroup_cmp,
 771	.se_snprintf    = hist_entry__cgroup_snprintf,
 772	.se_width_idx	= HISTC_CGROUP,
 773};
 774
 775/* --sort socket */
 776
 777static int64_t
 778sort__socket_cmp(struct hist_entry *left, struct hist_entry *right)
 779{
 780	return right->socket - left->socket;
 781}
 782
 783static int hist_entry__socket_snprintf(struct hist_entry *he, char *bf,
 784				    size_t size, unsigned int width)
 785{
 786	return repsep_snprintf(bf, size, "%*.*d", width, width-3, he->socket);
 787}
 788
 789static int hist_entry__socket_filter(struct hist_entry *he, int type, const void *arg)
 790{
 791	int sk = *(const int *)arg;
 792
 793	if (type != HIST_FILTER__SOCKET)
 794		return -1;
 795
 796	return sk >= 0 && he->socket != sk;
 797}
 798
 799struct sort_entry sort_socket = {
 800	.se_header      = "Socket",
 801	.se_cmp	        = sort__socket_cmp,
 802	.se_snprintf    = hist_entry__socket_snprintf,
 803	.se_filter      = hist_entry__socket_filter,
 804	.se_width_idx	= HISTC_SOCKET,
 805};
 806
 807/* --sort time */
 808
 809static int64_t
 810sort__time_cmp(struct hist_entry *left, struct hist_entry *right)
 811{
 812	return right->time - left->time;
 813}
 814
 815static int hist_entry__time_snprintf(struct hist_entry *he, char *bf,
 816				    size_t size, unsigned int width)
 817{
 818	char he_time[32];
 819
 820	if (symbol_conf.nanosecs)
 821		timestamp__scnprintf_nsec(he->time, he_time,
 822					  sizeof(he_time));
 823	else
 824		timestamp__scnprintf_usec(he->time, he_time,
 825					  sizeof(he_time));
 826
 827	return repsep_snprintf(bf, size, "%-.*s", width, he_time);
 828}
 829
 830struct sort_entry sort_time = {
 831	.se_header      = "Time",
 832	.se_cmp	        = sort__time_cmp,
 833	.se_snprintf    = hist_entry__time_snprintf,
 834	.se_width_idx	= HISTC_TIME,
 835};
 836
 837/* --sort trace */
 838
 839#ifdef HAVE_LIBTRACEEVENT
 840static char *get_trace_output(struct hist_entry *he)
 841{
 842	struct trace_seq seq;
 843	struct evsel *evsel;
 844	struct tep_record rec = {
 845		.data = he->raw_data,
 846		.size = he->raw_size,
 847	};
 848
 849	evsel = hists_to_evsel(he->hists);
 850
 851	trace_seq_init(&seq);
 852	if (symbol_conf.raw_trace) {
 853		tep_print_fields(&seq, he->raw_data, he->raw_size,
 854				 evsel->tp_format);
 855	} else {
 856		tep_print_event(evsel->tp_format->tep,
 857				&seq, &rec, "%s", TEP_PRINT_INFO);
 858	}
 859	/*
 860	 * Trim the buffer, it starts at 4KB and we're not going to
 861	 * add anything more to this buffer.
 862	 */
 863	return realloc(seq.buffer, seq.len + 1);
 864}
 865
 866static int64_t
 867sort__trace_cmp(struct hist_entry *left, struct hist_entry *right)
 868{
 869	struct evsel *evsel;
 870
 871	evsel = hists_to_evsel(left->hists);
 872	if (evsel->core.attr.type != PERF_TYPE_TRACEPOINT)
 873		return 0;
 874
 875	if (left->trace_output == NULL)
 876		left->trace_output = get_trace_output(left);
 877	if (right->trace_output == NULL)
 878		right->trace_output = get_trace_output(right);
 879
 880	return strcmp(right->trace_output, left->trace_output);
 881}
 882
 883static int hist_entry__trace_snprintf(struct hist_entry *he, char *bf,
 884				    size_t size, unsigned int width)
 885{
 886	struct evsel *evsel;
 887
 888	evsel = hists_to_evsel(he->hists);
 889	if (evsel->core.attr.type != PERF_TYPE_TRACEPOINT)
 890		return scnprintf(bf, size, "%-.*s", width, "N/A");
 891
 892	if (he->trace_output == NULL)
 893		he->trace_output = get_trace_output(he);
 894	return repsep_snprintf(bf, size, "%-.*s", width, he->trace_output);
 895}
 896
 897struct sort_entry sort_trace = {
 898	.se_header      = "Trace output",
 899	.se_cmp	        = sort__trace_cmp,
 900	.se_snprintf    = hist_entry__trace_snprintf,
 901	.se_width_idx	= HISTC_TRACE,
 902};
 903#endif /* HAVE_LIBTRACEEVENT */
 904
 905/* sort keys for branch stacks */
 906
 907static int64_t
 908sort__dso_from_cmp(struct hist_entry *left, struct hist_entry *right)
 909{
 910	if (!left->branch_info || !right->branch_info)
 911		return cmp_null(left->branch_info, right->branch_info);
 912
 913	return _sort__dso_cmp(left->branch_info->from.ms.map,
 914			      right->branch_info->from.ms.map);
 915}
 916
 917static int hist_entry__dso_from_snprintf(struct hist_entry *he, char *bf,
 918				    size_t size, unsigned int width)
 919{
 920	if (he->branch_info)
 921		return _hist_entry__dso_snprintf(he->branch_info->from.ms.map,
 922						 bf, size, width);
 923	else
 924		return repsep_snprintf(bf, size, "%-*.*s", width, width, "N/A");
 925}
 926
 927static int hist_entry__dso_from_filter(struct hist_entry *he, int type,
 928				       const void *arg)
 929{
 930	const struct dso *dso = arg;
 931
 932	if (type != HIST_FILTER__DSO)
 933		return -1;
 934
 935	return dso && (!he->branch_info || !he->branch_info->from.ms.map ||
 936		       he->branch_info->from.ms.map->dso != dso);
 937}
 938
 939static int64_t
 940sort__dso_to_cmp(struct hist_entry *left, struct hist_entry *right)
 941{
 942	if (!left->branch_info || !right->branch_info)
 943		return cmp_null(left->branch_info, right->branch_info);
 944
 945	return _sort__dso_cmp(left->branch_info->to.ms.map,
 946			      right->branch_info->to.ms.map);
 947}
 948
 949static int hist_entry__dso_to_snprintf(struct hist_entry *he, char *bf,
 950				       size_t size, unsigned int width)
 951{
 952	if (he->branch_info)
 953		return _hist_entry__dso_snprintf(he->branch_info->to.ms.map,
 954						 bf, size, width);
 955	else
 956		return repsep_snprintf(bf, size, "%-*.*s", width, width, "N/A");
 957}
 958
 959static int hist_entry__dso_to_filter(struct hist_entry *he, int type,
 960				     const void *arg)
 961{
 962	const struct dso *dso = arg;
 963
 964	if (type != HIST_FILTER__DSO)
 965		return -1;
 966
 967	return dso && (!he->branch_info || !he->branch_info->to.ms.map ||
 968		       he->branch_info->to.ms.map->dso != dso);
 969}
 970
 971static int64_t
 972sort__sym_from_cmp(struct hist_entry *left, struct hist_entry *right)
 973{
 974	struct addr_map_symbol *from_l = &left->branch_info->from;
 975	struct addr_map_symbol *from_r = &right->branch_info->from;
 976
 977	if (!left->branch_info || !right->branch_info)
 978		return cmp_null(left->branch_info, right->branch_info);
 979
 980	from_l = &left->branch_info->from;
 981	from_r = &right->branch_info->from;
 982
 983	if (!from_l->ms.sym && !from_r->ms.sym)
 984		return _sort__addr_cmp(from_l->addr, from_r->addr);
 985
 986	return _sort__sym_cmp(from_l->ms.sym, from_r->ms.sym);
 987}
 988
 989static int64_t
 990sort__sym_to_cmp(struct hist_entry *left, struct hist_entry *right)
 991{
 992	struct addr_map_symbol *to_l, *to_r;
 993
 994	if (!left->branch_info || !right->branch_info)
 995		return cmp_null(left->branch_info, right->branch_info);
 996
 997	to_l = &left->branch_info->to;
 998	to_r = &right->branch_info->to;
 999
1000	if (!to_l->ms.sym && !to_r->ms.sym)
1001		return _sort__addr_cmp(to_l->addr, to_r->addr);
1002
1003	return _sort__sym_cmp(to_l->ms.sym, to_r->ms.sym);
1004}
1005
1006static int hist_entry__sym_from_snprintf(struct hist_entry *he, char *bf,
1007					 size_t size, unsigned int width)
1008{
1009	if (he->branch_info) {
1010		struct addr_map_symbol *from = &he->branch_info->from;
1011
1012		return _hist_entry__sym_snprintf(&from->ms, from->al_addr,
1013						 from->al_level, bf, size, width);
1014	}
1015
1016	return repsep_snprintf(bf, size, "%-*.*s", width, width, "N/A");
1017}
1018
1019static int hist_entry__sym_to_snprintf(struct hist_entry *he, char *bf,
1020				       size_t size, unsigned int width)
1021{
1022	if (he->branch_info) {
1023		struct addr_map_symbol *to = &he->branch_info->to;
1024
1025		return _hist_entry__sym_snprintf(&to->ms, to->al_addr,
1026						 to->al_level, bf, size, width);
1027	}
1028
1029	return repsep_snprintf(bf, size, "%-*.*s", width, width, "N/A");
1030}
1031
1032static int hist_entry__sym_from_filter(struct hist_entry *he, int type,
1033				       const void *arg)
1034{
1035	const char *sym = arg;
1036
1037	if (type != HIST_FILTER__SYMBOL)
1038		return -1;
1039
1040	return sym && !(he->branch_info && he->branch_info->from.ms.sym &&
1041			strstr(he->branch_info->from.ms.sym->name, sym));
1042}
1043
1044static int hist_entry__sym_to_filter(struct hist_entry *he, int type,
1045				       const void *arg)
1046{
1047	const char *sym = arg;
1048
1049	if (type != HIST_FILTER__SYMBOL)
1050		return -1;
1051
1052	return sym && !(he->branch_info && he->branch_info->to.ms.sym &&
1053		        strstr(he->branch_info->to.ms.sym->name, sym));
1054}
1055
1056struct sort_entry sort_dso_from = {
1057	.se_header	= "Source Shared Object",
1058	.se_cmp		= sort__dso_from_cmp,
1059	.se_snprintf	= hist_entry__dso_from_snprintf,
1060	.se_filter	= hist_entry__dso_from_filter,
1061	.se_width_idx	= HISTC_DSO_FROM,
1062};
1063
1064struct sort_entry sort_dso_to = {
1065	.se_header	= "Target Shared Object",
1066	.se_cmp		= sort__dso_to_cmp,
1067	.se_snprintf	= hist_entry__dso_to_snprintf,
1068	.se_filter	= hist_entry__dso_to_filter,
1069	.se_width_idx	= HISTC_DSO_TO,
1070};
1071
1072struct sort_entry sort_sym_from = {
1073	.se_header	= "Source Symbol",
1074	.se_cmp		= sort__sym_from_cmp,
1075	.se_snprintf	= hist_entry__sym_from_snprintf,
1076	.se_filter	= hist_entry__sym_from_filter,
1077	.se_width_idx	= HISTC_SYMBOL_FROM,
1078};
1079
1080struct sort_entry sort_sym_to = {
1081	.se_header	= "Target Symbol",
1082	.se_cmp		= sort__sym_to_cmp,
1083	.se_snprintf	= hist_entry__sym_to_snprintf,
1084	.se_filter	= hist_entry__sym_to_filter,
1085	.se_width_idx	= HISTC_SYMBOL_TO,
1086};
1087
1088static int _hist_entry__addr_snprintf(struct map_symbol *ms,
1089				     u64 ip, char level, char *bf, size_t size,
1090				     unsigned int width)
1091{
1092	struct symbol *sym = ms->sym;
1093	struct map *map = ms->map;
1094	size_t ret = 0, offs;
1095
1096	ret += repsep_snprintf(bf + ret, size - ret, "[%c] ", level);
1097	if (sym && map) {
1098		if (sym->type == STT_OBJECT) {
1099			ret += repsep_snprintf(bf + ret, size - ret, "%s", sym->name);
1100			ret += repsep_snprintf(bf + ret, size - ret, "+0x%llx",
1101					ip - map->unmap_ip(map, sym->start));
1102		} else {
1103			ret += repsep_snprintf(bf + ret, size - ret, "%.*s",
1104					       width - ret,
1105					       sym->name);
1106			offs = ip - sym->start;
1107			if (offs)
1108				ret += repsep_snprintf(bf + ret, size - ret, "+0x%llx", offs);
1109		}
1110	} else {
1111		size_t len = BITS_PER_LONG / 4;
1112		ret += repsep_snprintf(bf + ret, size - ret, "%-#.*llx",
1113				       len, ip);
1114	}
1115
1116	return ret;
1117}
1118
1119static int hist_entry__addr_from_snprintf(struct hist_entry *he, char *bf,
1120					 size_t size, unsigned int width)
1121{
1122	if (he->branch_info) {
1123		struct addr_map_symbol *from = &he->branch_info->from;
1124
1125		return _hist_entry__addr_snprintf(&from->ms, from->al_addr,
1126						 he->level, bf, size, width);
1127	}
1128
1129	return repsep_snprintf(bf, size, "%-*.*s", width, width, "N/A");
1130}
1131
1132static int hist_entry__addr_to_snprintf(struct hist_entry *he, char *bf,
1133				       size_t size, unsigned int width)
1134{
1135	if (he->branch_info) {
1136		struct addr_map_symbol *to = &he->branch_info->to;
1137
1138		return _hist_entry__addr_snprintf(&to->ms, to->al_addr,
1139						 he->level, bf, size, width);
1140	}
1141
1142	return repsep_snprintf(bf, size, "%-*.*s", width, width, "N/A");
1143}
1144
1145static int64_t
1146sort__addr_from_cmp(struct hist_entry *left, struct hist_entry *right)
1147{
1148	struct addr_map_symbol *from_l;
1149	struct addr_map_symbol *from_r;
1150	int64_t ret;
1151
1152	if (!left->branch_info || !right->branch_info)
1153		return cmp_null(left->branch_info, right->branch_info);
1154
1155	from_l = &left->branch_info->from;
1156	from_r = &right->branch_info->from;
1157
1158	/*
1159	 * comparing symbol address alone is not enough since it's a
1160	 * relative address within a dso.
1161	 */
1162	ret = _sort__dso_cmp(from_l->ms.map, from_r->ms.map);
1163	if (ret != 0)
1164		return ret;
1165
1166	return _sort__addr_cmp(from_l->addr, from_r->addr);
1167}
1168
1169static int64_t
1170sort__addr_to_cmp(struct hist_entry *left, struct hist_entry *right)
1171{
1172	struct addr_map_symbol *to_l;
1173	struct addr_map_symbol *to_r;
1174	int64_t ret;
1175
1176	if (!left->branch_info || !right->branch_info)
1177		return cmp_null(left->branch_info, right->branch_info);
1178
1179	to_l = &left->branch_info->to;
1180	to_r = &right->branch_info->to;
1181
1182	/*
1183	 * comparing symbol address alone is not enough since it's a
1184	 * relative address within a dso.
1185	 */
1186	ret = _sort__dso_cmp(to_l->ms.map, to_r->ms.map);
1187	if (ret != 0)
1188		return ret;
1189
1190	return _sort__addr_cmp(to_l->addr, to_r->addr);
1191}
1192
1193struct sort_entry sort_addr_from = {
1194	.se_header	= "Source Address",
1195	.se_cmp		= sort__addr_from_cmp,
1196	.se_snprintf	= hist_entry__addr_from_snprintf,
1197	.se_filter	= hist_entry__sym_from_filter, /* shared with sym_from */
1198	.se_width_idx	= HISTC_ADDR_FROM,
1199};
1200
1201struct sort_entry sort_addr_to = {
1202	.se_header	= "Target Address",
1203	.se_cmp		= sort__addr_to_cmp,
1204	.se_snprintf	= hist_entry__addr_to_snprintf,
1205	.se_filter	= hist_entry__sym_to_filter, /* shared with sym_to */
1206	.se_width_idx	= HISTC_ADDR_TO,
1207};
1208
1209
1210static int64_t
1211sort__mispredict_cmp(struct hist_entry *left, struct hist_entry *right)
1212{
1213	unsigned char mp, p;
1214
1215	if (!left->branch_info || !right->branch_info)
1216		return cmp_null(left->branch_info, right->branch_info);
1217
1218	mp = left->branch_info->flags.mispred != right->branch_info->flags.mispred;
1219	p  = left->branch_info->flags.predicted != right->branch_info->flags.predicted;
1220	return mp || p;
1221}
1222
1223static int hist_entry__mispredict_snprintf(struct hist_entry *he, char *bf,
1224				    size_t size, unsigned int width){
1225	static const char *out = "N/A";
1226
1227	if (he->branch_info) {
1228		if (he->branch_info->flags.predicted)
1229			out = "N";
1230		else if (he->branch_info->flags.mispred)
1231			out = "Y";
1232	}
1233
1234	return repsep_snprintf(bf, size, "%-*.*s", width, width, out);
1235}
1236
1237static int64_t
1238sort__cycles_cmp(struct hist_entry *left, struct hist_entry *right)
1239{
1240	if (!left->branch_info || !right->branch_info)
1241		return cmp_null(left->branch_info, right->branch_info);
1242
1243	return left->branch_info->flags.cycles -
1244		right->branch_info->flags.cycles;
1245}
1246
1247static int hist_entry__cycles_snprintf(struct hist_entry *he, char *bf,
1248				    size_t size, unsigned int width)
1249{
1250	if (!he->branch_info)
1251		return scnprintf(bf, size, "%-.*s", width, "N/A");
1252	if (he->branch_info->flags.cycles == 0)
1253		return repsep_snprintf(bf, size, "%-*s", width, "-");
1254	return repsep_snprintf(bf, size, "%-*hd", width,
1255			       he->branch_info->flags.cycles);
1256}
1257
1258struct sort_entry sort_cycles = {
1259	.se_header	= "Basic Block Cycles",
1260	.se_cmp		= sort__cycles_cmp,
1261	.se_snprintf	= hist_entry__cycles_snprintf,
1262	.se_width_idx	= HISTC_CYCLES,
1263};
1264
1265/* --sort daddr_sym */
1266int64_t
1267sort__daddr_cmp(struct hist_entry *left, struct hist_entry *right)
1268{
1269	uint64_t l = 0, r = 0;
1270
1271	if (left->mem_info)
1272		l = left->mem_info->daddr.addr;
1273	if (right->mem_info)
1274		r = right->mem_info->daddr.addr;
1275
1276	return (int64_t)(r - l);
1277}
1278
1279static int hist_entry__daddr_snprintf(struct hist_entry *he, char *bf,
1280				    size_t size, unsigned int width)
1281{
1282	uint64_t addr = 0;
1283	struct map_symbol *ms = NULL;
 
1284
1285	if (he->mem_info) {
1286		addr = he->mem_info->daddr.addr;
1287		ms = &he->mem_info->daddr.ms;
 
1288	}
1289	return _hist_entry__sym_snprintf(ms, addr, he->level, bf, size, width);
 
1290}
1291
1292int64_t
1293sort__iaddr_cmp(struct hist_entry *left, struct hist_entry *right)
1294{
1295	uint64_t l = 0, r = 0;
1296
1297	if (left->mem_info)
1298		l = left->mem_info->iaddr.addr;
1299	if (right->mem_info)
1300		r = right->mem_info->iaddr.addr;
1301
1302	return (int64_t)(r - l);
1303}
1304
1305static int hist_entry__iaddr_snprintf(struct hist_entry *he, char *bf,
1306				    size_t size, unsigned int width)
1307{
1308	uint64_t addr = 0;
1309	struct map_symbol *ms = NULL;
 
1310
1311	if (he->mem_info) {
1312		addr = he->mem_info->iaddr.addr;
1313		ms   = &he->mem_info->iaddr.ms;
 
1314	}
1315	return _hist_entry__sym_snprintf(ms, addr, he->level, bf, size, width);
 
1316}
1317
1318static int64_t
1319sort__dso_daddr_cmp(struct hist_entry *left, struct hist_entry *right)
1320{
1321	struct map *map_l = NULL;
1322	struct map *map_r = NULL;
1323
1324	if (left->mem_info)
1325		map_l = left->mem_info->daddr.ms.map;
1326	if (right->mem_info)
1327		map_r = right->mem_info->daddr.ms.map;
1328
1329	return _sort__dso_cmp(map_l, map_r);
1330}
1331
1332static int hist_entry__dso_daddr_snprintf(struct hist_entry *he, char *bf,
1333				    size_t size, unsigned int width)
1334{
1335	struct map *map = NULL;
1336
1337	if (he->mem_info)
1338		map = he->mem_info->daddr.ms.map;
1339
1340	return _hist_entry__dso_snprintf(map, bf, size, width);
1341}
1342
1343static int64_t
1344sort__locked_cmp(struct hist_entry *left, struct hist_entry *right)
1345{
1346	union perf_mem_data_src data_src_l;
1347	union perf_mem_data_src data_src_r;
1348
1349	if (left->mem_info)
1350		data_src_l = left->mem_info->data_src;
1351	else
1352		data_src_l.mem_lock = PERF_MEM_LOCK_NA;
1353
1354	if (right->mem_info)
1355		data_src_r = right->mem_info->data_src;
1356	else
1357		data_src_r.mem_lock = PERF_MEM_LOCK_NA;
1358
1359	return (int64_t)(data_src_r.mem_lock - data_src_l.mem_lock);
1360}
1361
1362static int hist_entry__locked_snprintf(struct hist_entry *he, char *bf,
1363				    size_t size, unsigned int width)
1364{
1365	char out[10];
1366
1367	perf_mem__lck_scnprintf(out, sizeof(out), he->mem_info);
1368	return repsep_snprintf(bf, size, "%.*s", width, out);
1369}
1370
1371static int64_t
1372sort__tlb_cmp(struct hist_entry *left, struct hist_entry *right)
1373{
1374	union perf_mem_data_src data_src_l;
1375	union perf_mem_data_src data_src_r;
1376
1377	if (left->mem_info)
1378		data_src_l = left->mem_info->data_src;
1379	else
1380		data_src_l.mem_dtlb = PERF_MEM_TLB_NA;
1381
1382	if (right->mem_info)
1383		data_src_r = right->mem_info->data_src;
1384	else
1385		data_src_r.mem_dtlb = PERF_MEM_TLB_NA;
1386
1387	return (int64_t)(data_src_r.mem_dtlb - data_src_l.mem_dtlb);
1388}
1389
1390static int hist_entry__tlb_snprintf(struct hist_entry *he, char *bf,
1391				    size_t size, unsigned int width)
1392{
1393	char out[64];
1394
1395	perf_mem__tlb_scnprintf(out, sizeof(out), he->mem_info);
1396	return repsep_snprintf(bf, size, "%-*s", width, out);
1397}
1398
1399static int64_t
1400sort__lvl_cmp(struct hist_entry *left, struct hist_entry *right)
1401{
1402	union perf_mem_data_src data_src_l;
1403	union perf_mem_data_src data_src_r;
1404
1405	if (left->mem_info)
1406		data_src_l = left->mem_info->data_src;
1407	else
1408		data_src_l.mem_lvl = PERF_MEM_LVL_NA;
1409
1410	if (right->mem_info)
1411		data_src_r = right->mem_info->data_src;
1412	else
1413		data_src_r.mem_lvl = PERF_MEM_LVL_NA;
1414
1415	return (int64_t)(data_src_r.mem_lvl - data_src_l.mem_lvl);
1416}
1417
1418static int hist_entry__lvl_snprintf(struct hist_entry *he, char *bf,
1419				    size_t size, unsigned int width)
1420{
1421	char out[64];
1422
1423	perf_mem__lvl_scnprintf(out, sizeof(out), he->mem_info);
1424	return repsep_snprintf(bf, size, "%-*s", width, out);
1425}
1426
1427static int64_t
1428sort__snoop_cmp(struct hist_entry *left, struct hist_entry *right)
1429{
1430	union perf_mem_data_src data_src_l;
1431	union perf_mem_data_src data_src_r;
1432
1433	if (left->mem_info)
1434		data_src_l = left->mem_info->data_src;
1435	else
1436		data_src_l.mem_snoop = PERF_MEM_SNOOP_NA;
1437
1438	if (right->mem_info)
1439		data_src_r = right->mem_info->data_src;
1440	else
1441		data_src_r.mem_snoop = PERF_MEM_SNOOP_NA;
1442
1443	return (int64_t)(data_src_r.mem_snoop - data_src_l.mem_snoop);
1444}
1445
1446static int hist_entry__snoop_snprintf(struct hist_entry *he, char *bf,
1447				    size_t size, unsigned int width)
1448{
1449	char out[64];
1450
1451	perf_mem__snp_scnprintf(out, sizeof(out), he->mem_info);
1452	return repsep_snprintf(bf, size, "%-*s", width, out);
1453}
1454
1455int64_t
1456sort__dcacheline_cmp(struct hist_entry *left, struct hist_entry *right)
1457{
1458	u64 l, r;
1459	struct map *l_map, *r_map;
1460	int rc;
1461
1462	if (!left->mem_info)  return -1;
1463	if (!right->mem_info) return 1;
1464
1465	/* group event types together */
1466	if (left->cpumode > right->cpumode) return -1;
1467	if (left->cpumode < right->cpumode) return 1;
1468
1469	l_map = left->mem_info->daddr.ms.map;
1470	r_map = right->mem_info->daddr.ms.map;
1471
1472	/* if both are NULL, jump to sort on al_addr instead */
1473	if (!l_map && !r_map)
1474		goto addr;
1475
1476	if (!l_map) return -1;
1477	if (!r_map) return 1;
1478
1479	rc = dso__cmp_id(l_map->dso, r_map->dso);
1480	if (rc)
1481		return rc;
 
 
 
 
 
 
 
 
 
1482	/*
1483	 * Addresses with no major/minor numbers are assumed to be
1484	 * anonymous in userspace.  Sort those on pid then address.
1485	 *
1486	 * The kernel and non-zero major/minor mapped areas are
1487	 * assumed to be unity mapped.  Sort those on address.
1488	 */
1489
1490	if ((left->cpumode != PERF_RECORD_MISC_KERNEL) &&
1491	    (!(l_map->flags & MAP_SHARED)) &&
1492	    !l_map->dso->id.maj && !l_map->dso->id.min &&
1493	    !l_map->dso->id.ino && !l_map->dso->id.ino_generation) {
1494		/* userspace anonymous */
1495
1496		if (left->thread->pid_ > right->thread->pid_) return -1;
1497		if (left->thread->pid_ < right->thread->pid_) return 1;
1498	}
1499
1500addr:
1501	/* al_addr does all the right addr - start + offset calculations */
1502	l = cl_address(left->mem_info->daddr.al_addr);
1503	r = cl_address(right->mem_info->daddr.al_addr);
1504
1505	if (l > r) return -1;
1506	if (l < r) return 1;
1507
1508	return 0;
1509}
1510
1511static int hist_entry__dcacheline_snprintf(struct hist_entry *he, char *bf,
1512					  size_t size, unsigned int width)
1513{
1514
1515	uint64_t addr = 0;
1516	struct map_symbol *ms = NULL;
 
1517	char level = he->level;
1518
1519	if (he->mem_info) {
1520		struct map *map = he->mem_info->daddr.ms.map;
1521
1522		addr = cl_address(he->mem_info->daddr.al_addr);
1523		ms = &he->mem_info->daddr.ms;
 
1524
1525		/* print [s] for shared data mmaps */
1526		if ((he->cpumode != PERF_RECORD_MISC_KERNEL) &&
1527		     map && !(map->prot & PROT_EXEC) &&
1528		    (map->flags & MAP_SHARED) &&
1529		    (map->dso->id.maj || map->dso->id.min ||
1530		     map->dso->id.ino || map->dso->id.ino_generation))
1531			level = 's';
1532		else if (!map)
1533			level = 'X';
1534	}
1535	return _hist_entry__sym_snprintf(ms, addr, level, bf, size, width);
 
1536}
1537
1538struct sort_entry sort_mispredict = {
1539	.se_header	= "Branch Mispredicted",
1540	.se_cmp		= sort__mispredict_cmp,
1541	.se_snprintf	= hist_entry__mispredict_snprintf,
1542	.se_width_idx	= HISTC_MISPREDICT,
1543};
1544
 
 
 
 
 
1545static int64_t
1546sort__weight_cmp(struct hist_entry *left, struct hist_entry *right)
1547{
1548	return left->weight - right->weight;
1549}
1550
1551static int hist_entry__local_weight_snprintf(struct hist_entry *he, char *bf,
1552				    size_t size, unsigned int width)
1553{
1554	return repsep_snprintf(bf, size, "%-*llu", width, he->weight);
1555}
1556
1557struct sort_entry sort_local_weight = {
1558	.se_header	= "Local Weight",
1559	.se_cmp		= sort__weight_cmp,
1560	.se_snprintf	= hist_entry__local_weight_snprintf,
1561	.se_width_idx	= HISTC_LOCAL_WEIGHT,
1562};
1563
 
 
 
 
 
 
1564static int hist_entry__global_weight_snprintf(struct hist_entry *he, char *bf,
1565					      size_t size, unsigned int width)
1566{
1567	return repsep_snprintf(bf, size, "%-*llu", width,
1568			       he->weight * he->stat.nr_events);
1569}
1570
1571struct sort_entry sort_global_weight = {
1572	.se_header	= "Weight",
1573	.se_cmp		= sort__weight_cmp,
1574	.se_snprintf	= hist_entry__global_weight_snprintf,
1575	.se_width_idx	= HISTC_GLOBAL_WEIGHT,
1576};
1577
1578static int64_t
1579sort__ins_lat_cmp(struct hist_entry *left, struct hist_entry *right)
1580{
1581	return left->ins_lat - right->ins_lat;
1582}
1583
1584static int hist_entry__local_ins_lat_snprintf(struct hist_entry *he, char *bf,
1585					      size_t size, unsigned int width)
1586{
1587	return repsep_snprintf(bf, size, "%-*u", width, he->ins_lat);
1588}
1589
1590struct sort_entry sort_local_ins_lat = {
1591	.se_header	= "Local INSTR Latency",
1592	.se_cmp		= sort__ins_lat_cmp,
1593	.se_snprintf	= hist_entry__local_ins_lat_snprintf,
1594	.se_width_idx	= HISTC_LOCAL_INS_LAT,
1595};
1596
1597static int hist_entry__global_ins_lat_snprintf(struct hist_entry *he, char *bf,
1598					       size_t size, unsigned int width)
1599{
1600	return repsep_snprintf(bf, size, "%-*u", width,
1601			       he->ins_lat * he->stat.nr_events);
1602}
1603
1604struct sort_entry sort_global_ins_lat = {
1605	.se_header	= "INSTR Latency",
1606	.se_cmp		= sort__ins_lat_cmp,
1607	.se_snprintf	= hist_entry__global_ins_lat_snprintf,
1608	.se_width_idx	= HISTC_GLOBAL_INS_LAT,
1609};
1610
1611static int64_t
1612sort__p_stage_cyc_cmp(struct hist_entry *left, struct hist_entry *right)
1613{
1614	return left->p_stage_cyc - right->p_stage_cyc;
1615}
1616
1617static int hist_entry__global_p_stage_cyc_snprintf(struct hist_entry *he, char *bf,
1618					size_t size, unsigned int width)
1619{
1620	return repsep_snprintf(bf, size, "%-*u", width,
1621			he->p_stage_cyc * he->stat.nr_events);
1622}
1623
1624
1625static int hist_entry__p_stage_cyc_snprintf(struct hist_entry *he, char *bf,
1626					size_t size, unsigned int width)
1627{
1628	return repsep_snprintf(bf, size, "%-*u", width, he->p_stage_cyc);
1629}
1630
1631struct sort_entry sort_local_p_stage_cyc = {
1632	.se_header      = "Local Pipeline Stage Cycle",
1633	.se_cmp         = sort__p_stage_cyc_cmp,
1634	.se_snprintf	= hist_entry__p_stage_cyc_snprintf,
1635	.se_width_idx	= HISTC_LOCAL_P_STAGE_CYC,
1636};
1637
1638struct sort_entry sort_global_p_stage_cyc = {
1639	.se_header      = "Pipeline Stage Cycle",
1640	.se_cmp         = sort__p_stage_cyc_cmp,
1641	.se_snprintf    = hist_entry__global_p_stage_cyc_snprintf,
1642	.se_width_idx   = HISTC_GLOBAL_P_STAGE_CYC,
1643};
1644
1645struct sort_entry sort_mem_daddr_sym = {
1646	.se_header	= "Data Symbol",
1647	.se_cmp		= sort__daddr_cmp,
1648	.se_snprintf	= hist_entry__daddr_snprintf,
1649	.se_width_idx	= HISTC_MEM_DADDR_SYMBOL,
1650};
1651
1652struct sort_entry sort_mem_iaddr_sym = {
1653	.se_header	= "Code Symbol",
1654	.se_cmp		= sort__iaddr_cmp,
1655	.se_snprintf	= hist_entry__iaddr_snprintf,
1656	.se_width_idx	= HISTC_MEM_IADDR_SYMBOL,
1657};
1658
1659struct sort_entry sort_mem_daddr_dso = {
1660	.se_header	= "Data Object",
1661	.se_cmp		= sort__dso_daddr_cmp,
1662	.se_snprintf	= hist_entry__dso_daddr_snprintf,
1663	.se_width_idx	= HISTC_MEM_DADDR_DSO,
1664};
1665
1666struct sort_entry sort_mem_locked = {
1667	.se_header	= "Locked",
1668	.se_cmp		= sort__locked_cmp,
1669	.se_snprintf	= hist_entry__locked_snprintf,
1670	.se_width_idx	= HISTC_MEM_LOCKED,
1671};
1672
1673struct sort_entry sort_mem_tlb = {
1674	.se_header	= "TLB access",
1675	.se_cmp		= sort__tlb_cmp,
1676	.se_snprintf	= hist_entry__tlb_snprintf,
1677	.se_width_idx	= HISTC_MEM_TLB,
1678};
1679
1680struct sort_entry sort_mem_lvl = {
1681	.se_header	= "Memory access",
1682	.se_cmp		= sort__lvl_cmp,
1683	.se_snprintf	= hist_entry__lvl_snprintf,
1684	.se_width_idx	= HISTC_MEM_LVL,
1685};
1686
1687struct sort_entry sort_mem_snoop = {
1688	.se_header	= "Snoop",
1689	.se_cmp		= sort__snoop_cmp,
1690	.se_snprintf	= hist_entry__snoop_snprintf,
1691	.se_width_idx	= HISTC_MEM_SNOOP,
1692};
1693
1694struct sort_entry sort_mem_dcacheline = {
1695	.se_header	= "Data Cacheline",
1696	.se_cmp		= sort__dcacheline_cmp,
1697	.se_snprintf	= hist_entry__dcacheline_snprintf,
1698	.se_width_idx	= HISTC_MEM_DCACHELINE,
1699};
1700
1701static int64_t
1702sort__blocked_cmp(struct hist_entry *left, struct hist_entry *right)
1703{
1704	union perf_mem_data_src data_src_l;
1705	union perf_mem_data_src data_src_r;
1706
1707	if (left->mem_info)
1708		data_src_l = left->mem_info->data_src;
1709	else
1710		data_src_l.mem_blk = PERF_MEM_BLK_NA;
1711
1712	if (right->mem_info)
1713		data_src_r = right->mem_info->data_src;
1714	else
1715		data_src_r.mem_blk = PERF_MEM_BLK_NA;
1716
1717	return (int64_t)(data_src_r.mem_blk - data_src_l.mem_blk);
1718}
1719
1720static int hist_entry__blocked_snprintf(struct hist_entry *he, char *bf,
1721					size_t size, unsigned int width)
1722{
1723	char out[16];
1724
1725	perf_mem__blk_scnprintf(out, sizeof(out), he->mem_info);
1726	return repsep_snprintf(bf, size, "%.*s", width, out);
1727}
1728
1729struct sort_entry sort_mem_blocked = {
1730	.se_header	= "Blocked",
1731	.se_cmp		= sort__blocked_cmp,
1732	.se_snprintf	= hist_entry__blocked_snprintf,
1733	.se_width_idx	= HISTC_MEM_BLOCKED,
1734};
1735
1736static int64_t
1737sort__phys_daddr_cmp(struct hist_entry *left, struct hist_entry *right)
1738{
1739	uint64_t l = 0, r = 0;
1740
1741	if (left->mem_info)
1742		l = left->mem_info->daddr.phys_addr;
1743	if (right->mem_info)
1744		r = right->mem_info->daddr.phys_addr;
1745
1746	return (int64_t)(r - l);
1747}
1748
1749static int hist_entry__phys_daddr_snprintf(struct hist_entry *he, char *bf,
1750					   size_t size, unsigned int width)
1751{
1752	uint64_t addr = 0;
1753	size_t ret = 0;
1754	size_t len = BITS_PER_LONG / 4;
1755
1756	addr = he->mem_info->daddr.phys_addr;
1757
1758	ret += repsep_snprintf(bf + ret, size - ret, "[%c] ", he->level);
1759
1760	ret += repsep_snprintf(bf + ret, size - ret, "%-#.*llx", len, addr);
1761
1762	ret += repsep_snprintf(bf + ret, size - ret, "%-*s", width - ret, "");
1763
1764	if (ret > width)
1765		bf[width] = '\0';
1766
1767	return width;
1768}
1769
1770struct sort_entry sort_mem_phys_daddr = {
1771	.se_header	= "Data Physical Address",
1772	.se_cmp		= sort__phys_daddr_cmp,
1773	.se_snprintf	= hist_entry__phys_daddr_snprintf,
1774	.se_width_idx	= HISTC_MEM_PHYS_DADDR,
1775};
1776
1777static int64_t
1778sort__data_page_size_cmp(struct hist_entry *left, struct hist_entry *right)
1779{
1780	uint64_t l = 0, r = 0;
1781
1782	if (left->mem_info)
1783		l = left->mem_info->daddr.data_page_size;
1784	if (right->mem_info)
1785		r = right->mem_info->daddr.data_page_size;
1786
1787	return (int64_t)(r - l);
1788}
1789
1790static int hist_entry__data_page_size_snprintf(struct hist_entry *he, char *bf,
1791					  size_t size, unsigned int width)
1792{
1793	char str[PAGE_SIZE_NAME_LEN];
1794
1795	return repsep_snprintf(bf, size, "%-*s", width,
1796			       get_page_size_name(he->mem_info->daddr.data_page_size, str));
1797}
1798
1799struct sort_entry sort_mem_data_page_size = {
1800	.se_header	= "Data Page Size",
1801	.se_cmp		= sort__data_page_size_cmp,
1802	.se_snprintf	= hist_entry__data_page_size_snprintf,
1803	.se_width_idx	= HISTC_MEM_DATA_PAGE_SIZE,
1804};
1805
1806static int64_t
1807sort__code_page_size_cmp(struct hist_entry *left, struct hist_entry *right)
1808{
1809	uint64_t l = left->code_page_size;
1810	uint64_t r = right->code_page_size;
1811
1812	return (int64_t)(r - l);
1813}
1814
1815static int hist_entry__code_page_size_snprintf(struct hist_entry *he, char *bf,
1816					  size_t size, unsigned int width)
1817{
1818	char str[PAGE_SIZE_NAME_LEN];
1819
1820	return repsep_snprintf(bf, size, "%-*s", width,
1821			       get_page_size_name(he->code_page_size, str));
1822}
1823
1824struct sort_entry sort_code_page_size = {
1825	.se_header	= "Code Page Size",
1826	.se_cmp		= sort__code_page_size_cmp,
1827	.se_snprintf	= hist_entry__code_page_size_snprintf,
1828	.se_width_idx	= HISTC_CODE_PAGE_SIZE,
1829};
1830
1831static int64_t
1832sort__abort_cmp(struct hist_entry *left, struct hist_entry *right)
1833{
1834	if (!left->branch_info || !right->branch_info)
1835		return cmp_null(left->branch_info, right->branch_info);
1836
1837	return left->branch_info->flags.abort !=
1838		right->branch_info->flags.abort;
1839}
1840
1841static int hist_entry__abort_snprintf(struct hist_entry *he, char *bf,
1842				    size_t size, unsigned int width)
1843{
1844	static const char *out = "N/A";
1845
1846	if (he->branch_info) {
1847		if (he->branch_info->flags.abort)
1848			out = "A";
1849		else
1850			out = ".";
1851	}
1852
1853	return repsep_snprintf(bf, size, "%-*s", width, out);
1854}
1855
1856struct sort_entry sort_abort = {
1857	.se_header	= "Transaction abort",
1858	.se_cmp		= sort__abort_cmp,
1859	.se_snprintf	= hist_entry__abort_snprintf,
1860	.se_width_idx	= HISTC_ABORT,
1861};
1862
1863static int64_t
1864sort__in_tx_cmp(struct hist_entry *left, struct hist_entry *right)
1865{
1866	if (!left->branch_info || !right->branch_info)
1867		return cmp_null(left->branch_info, right->branch_info);
1868
1869	return left->branch_info->flags.in_tx !=
1870		right->branch_info->flags.in_tx;
1871}
1872
1873static int hist_entry__in_tx_snprintf(struct hist_entry *he, char *bf,
1874				    size_t size, unsigned int width)
1875{
1876	static const char *out = "N/A";
1877
1878	if (he->branch_info) {
1879		if (he->branch_info->flags.in_tx)
1880			out = "T";
1881		else
1882			out = ".";
1883	}
1884
1885	return repsep_snprintf(bf, size, "%-*s", width, out);
1886}
1887
1888struct sort_entry sort_in_tx = {
1889	.se_header	= "Branch in transaction",
1890	.se_cmp		= sort__in_tx_cmp,
1891	.se_snprintf	= hist_entry__in_tx_snprintf,
1892	.se_width_idx	= HISTC_IN_TX,
1893};
1894
1895static int64_t
1896sort__transaction_cmp(struct hist_entry *left, struct hist_entry *right)
1897{
1898	return left->transaction - right->transaction;
1899}
1900
1901static inline char *add_str(char *p, const char *str)
1902{
1903	strcpy(p, str);
1904	return p + strlen(str);
1905}
1906
1907static struct txbit {
1908	unsigned flag;
1909	const char *name;
1910	int skip_for_len;
1911} txbits[] = {
1912	{ PERF_TXN_ELISION,        "EL ",        0 },
1913	{ PERF_TXN_TRANSACTION,    "TX ",        1 },
1914	{ PERF_TXN_SYNC,           "SYNC ",      1 },
1915	{ PERF_TXN_ASYNC,          "ASYNC ",     0 },
1916	{ PERF_TXN_RETRY,          "RETRY ",     0 },
1917	{ PERF_TXN_CONFLICT,       "CON ",       0 },
1918	{ PERF_TXN_CAPACITY_WRITE, "CAP-WRITE ", 1 },
1919	{ PERF_TXN_CAPACITY_READ,  "CAP-READ ",  0 },
1920	{ 0, NULL, 0 }
1921};
1922
1923int hist_entry__transaction_len(void)
1924{
1925	int i;
1926	int len = 0;
1927
1928	for (i = 0; txbits[i].name; i++) {
1929		if (!txbits[i].skip_for_len)
1930			len += strlen(txbits[i].name);
1931	}
1932	len += 4; /* :XX<space> */
1933	return len;
1934}
1935
1936static int hist_entry__transaction_snprintf(struct hist_entry *he, char *bf,
1937					    size_t size, unsigned int width)
1938{
1939	u64 t = he->transaction;
1940	char buf[128];
1941	char *p = buf;
1942	int i;
1943
1944	buf[0] = 0;
1945	for (i = 0; txbits[i].name; i++)
1946		if (txbits[i].flag & t)
1947			p = add_str(p, txbits[i].name);
1948	if (t && !(t & (PERF_TXN_SYNC|PERF_TXN_ASYNC)))
1949		p = add_str(p, "NEITHER ");
1950	if (t & PERF_TXN_ABORT_MASK) {
1951		sprintf(p, ":%" PRIx64,
1952			(t & PERF_TXN_ABORT_MASK) >>
1953			PERF_TXN_ABORT_SHIFT);
1954		p += strlen(p);
1955	}
1956
1957	return repsep_snprintf(bf, size, "%-*s", width, buf);
1958}
1959
1960struct sort_entry sort_transaction = {
1961	.se_header	= "Transaction                ",
1962	.se_cmp		= sort__transaction_cmp,
1963	.se_snprintf	= hist_entry__transaction_snprintf,
1964	.se_width_idx	= HISTC_TRANSACTION,
1965};
1966
1967/* --sort symbol_size */
1968
1969static int64_t _sort__sym_size_cmp(struct symbol *sym_l, struct symbol *sym_r)
1970{
1971	int64_t size_l = sym_l != NULL ? symbol__size(sym_l) : 0;
1972	int64_t size_r = sym_r != NULL ? symbol__size(sym_r) : 0;
1973
1974	return size_l < size_r ? -1 :
1975		size_l == size_r ? 0 : 1;
1976}
1977
1978static int64_t
1979sort__sym_size_cmp(struct hist_entry *left, struct hist_entry *right)
1980{
1981	return _sort__sym_size_cmp(right->ms.sym, left->ms.sym);
1982}
1983
1984static int _hist_entry__sym_size_snprintf(struct symbol *sym, char *bf,
1985					  size_t bf_size, unsigned int width)
1986{
1987	if (sym)
1988		return repsep_snprintf(bf, bf_size, "%*d", width, symbol__size(sym));
1989
1990	return repsep_snprintf(bf, bf_size, "%*s", width, "unknown");
1991}
1992
1993static int hist_entry__sym_size_snprintf(struct hist_entry *he, char *bf,
1994					 size_t size, unsigned int width)
1995{
1996	return _hist_entry__sym_size_snprintf(he->ms.sym, bf, size, width);
1997}
1998
1999struct sort_entry sort_sym_size = {
2000	.se_header	= "Symbol size",
2001	.se_cmp		= sort__sym_size_cmp,
2002	.se_snprintf	= hist_entry__sym_size_snprintf,
2003	.se_width_idx	= HISTC_SYM_SIZE,
2004};
2005
2006/* --sort dso_size */
2007
2008static int64_t _sort__dso_size_cmp(struct map *map_l, struct map *map_r)
2009{
2010	int64_t size_l = map_l != NULL ? map__size(map_l) : 0;
2011	int64_t size_r = map_r != NULL ? map__size(map_r) : 0;
2012
2013	return size_l < size_r ? -1 :
2014		size_l == size_r ? 0 : 1;
2015}
2016
2017static int64_t
2018sort__dso_size_cmp(struct hist_entry *left, struct hist_entry *right)
2019{
2020	return _sort__dso_size_cmp(right->ms.map, left->ms.map);
2021}
2022
2023static int _hist_entry__dso_size_snprintf(struct map *map, char *bf,
2024					  size_t bf_size, unsigned int width)
2025{
2026	if (map && map->dso)
2027		return repsep_snprintf(bf, bf_size, "%*d", width,
2028				       map__size(map));
2029
2030	return repsep_snprintf(bf, bf_size, "%*s", width, "unknown");
2031}
2032
2033static int hist_entry__dso_size_snprintf(struct hist_entry *he, char *bf,
2034					 size_t size, unsigned int width)
2035{
2036	return _hist_entry__dso_size_snprintf(he->ms.map, bf, size, width);
2037}
2038
2039struct sort_entry sort_dso_size = {
2040	.se_header	= "DSO size",
2041	.se_cmp		= sort__dso_size_cmp,
2042	.se_snprintf	= hist_entry__dso_size_snprintf,
2043	.se_width_idx	= HISTC_DSO_SIZE,
2044};
2045
2046/* --sort dso_size */
2047
2048static int64_t
2049sort__addr_cmp(struct hist_entry *left, struct hist_entry *right)
2050{
2051	u64 left_ip = left->ip;
2052	u64 right_ip = right->ip;
2053	struct map *left_map = left->ms.map;
2054	struct map *right_map = right->ms.map;
2055
2056	if (left_map)
2057		left_ip = left_map->unmap_ip(left_map, left_ip);
2058	if (right_map)
2059		right_ip = right_map->unmap_ip(right_map, right_ip);
2060
2061	return _sort__addr_cmp(left_ip, right_ip);
2062}
2063
2064static int hist_entry__addr_snprintf(struct hist_entry *he, char *bf,
2065				     size_t size, unsigned int width)
2066{
2067	u64 ip = he->ip;
2068	struct map *map = he->ms.map;
2069
2070	if (map)
2071		ip = map->unmap_ip(map, ip);
2072
2073	return repsep_snprintf(bf, size, "%-#*llx", width, ip);
2074}
2075
2076struct sort_entry sort_addr = {
2077	.se_header	= "Address",
2078	.se_cmp		= sort__addr_cmp,
2079	.se_snprintf	= hist_entry__addr_snprintf,
2080	.se_width_idx	= HISTC_ADDR,
2081};
2082
2083
2084struct sort_dimension {
2085	const char		*name;
2086	struct sort_entry	*entry;
2087	int			taken;
2088};
2089
2090int __weak arch_support_sort_key(const char *sort_key __maybe_unused)
2091{
2092	return 0;
2093}
2094
2095const char * __weak arch_perf_header_entry(const char *se_header)
2096{
2097	return se_header;
2098}
2099
2100static void sort_dimension_add_dynamic_header(struct sort_dimension *sd)
2101{
2102	sd->entry->se_header = arch_perf_header_entry(sd->entry->se_header);
2103}
2104
2105#define DIM(d, n, func) [d] = { .name = n, .entry = &(func) }
2106
2107static struct sort_dimension common_sort_dimensions[] = {
2108	DIM(SORT_PID, "pid", sort_thread),
2109	DIM(SORT_COMM, "comm", sort_comm),
2110	DIM(SORT_DSO, "dso", sort_dso),
2111	DIM(SORT_SYM, "symbol", sort_sym),
2112	DIM(SORT_PARENT, "parent", sort_parent),
2113	DIM(SORT_CPU, "cpu", sort_cpu),
2114	DIM(SORT_SOCKET, "socket", sort_socket),
2115	DIM(SORT_SRCLINE, "srcline", sort_srcline),
2116	DIM(SORT_SRCFILE, "srcfile", sort_srcfile),
2117	DIM(SORT_LOCAL_WEIGHT, "local_weight", sort_local_weight),
2118	DIM(SORT_GLOBAL_WEIGHT, "weight", sort_global_weight),
2119	DIM(SORT_TRANSACTION, "transaction", sort_transaction),
2120#ifdef HAVE_LIBTRACEEVENT
2121	DIM(SORT_TRACE, "trace", sort_trace),
2122#endif
2123	DIM(SORT_SYM_SIZE, "symbol_size", sort_sym_size),
2124	DIM(SORT_DSO_SIZE, "dso_size", sort_dso_size),
2125	DIM(SORT_CGROUP, "cgroup", sort_cgroup),
2126	DIM(SORT_CGROUP_ID, "cgroup_id", sort_cgroup_id),
2127	DIM(SORT_SYM_IPC_NULL, "ipc_null", sort_sym_ipc_null),
2128	DIM(SORT_TIME, "time", sort_time),
2129	DIM(SORT_CODE_PAGE_SIZE, "code_page_size", sort_code_page_size),
2130	DIM(SORT_LOCAL_INS_LAT, "local_ins_lat", sort_local_ins_lat),
2131	DIM(SORT_GLOBAL_INS_LAT, "ins_lat", sort_global_ins_lat),
2132	DIM(SORT_LOCAL_PIPELINE_STAGE_CYC, "local_p_stage_cyc", sort_local_p_stage_cyc),
2133	DIM(SORT_GLOBAL_PIPELINE_STAGE_CYC, "p_stage_cyc", sort_global_p_stage_cyc),
2134	DIM(SORT_ADDR, "addr", sort_addr),
2135};
2136
2137#undef DIM
2138
2139#define DIM(d, n, func) [d - __SORT_BRANCH_STACK] = { .name = n, .entry = &(func) }
2140
2141static struct sort_dimension bstack_sort_dimensions[] = {
2142	DIM(SORT_DSO_FROM, "dso_from", sort_dso_from),
2143	DIM(SORT_DSO_TO, "dso_to", sort_dso_to),
2144	DIM(SORT_SYM_FROM, "symbol_from", sort_sym_from),
2145	DIM(SORT_SYM_TO, "symbol_to", sort_sym_to),
2146	DIM(SORT_MISPREDICT, "mispredict", sort_mispredict),
2147	DIM(SORT_IN_TX, "in_tx", sort_in_tx),
2148	DIM(SORT_ABORT, "abort", sort_abort),
2149	DIM(SORT_CYCLES, "cycles", sort_cycles),
2150	DIM(SORT_SRCLINE_FROM, "srcline_from", sort_srcline_from),
2151	DIM(SORT_SRCLINE_TO, "srcline_to", sort_srcline_to),
2152	DIM(SORT_SYM_IPC, "ipc_lbr", sort_sym_ipc),
2153	DIM(SORT_ADDR_FROM, "addr_from", sort_addr_from),
2154	DIM(SORT_ADDR_TO, "addr_to", sort_addr_to),
2155};
2156
2157#undef DIM
2158
2159#define DIM(d, n, func) [d - __SORT_MEMORY_MODE] = { .name = n, .entry = &(func) }
2160
2161static struct sort_dimension memory_sort_dimensions[] = {
2162	DIM(SORT_MEM_DADDR_SYMBOL, "symbol_daddr", sort_mem_daddr_sym),
2163	DIM(SORT_MEM_IADDR_SYMBOL, "symbol_iaddr", sort_mem_iaddr_sym),
2164	DIM(SORT_MEM_DADDR_DSO, "dso_daddr", sort_mem_daddr_dso),
2165	DIM(SORT_MEM_LOCKED, "locked", sort_mem_locked),
2166	DIM(SORT_MEM_TLB, "tlb", sort_mem_tlb),
2167	DIM(SORT_MEM_LVL, "mem", sort_mem_lvl),
2168	DIM(SORT_MEM_SNOOP, "snoop", sort_mem_snoop),
2169	DIM(SORT_MEM_DCACHELINE, "dcacheline", sort_mem_dcacheline),
2170	DIM(SORT_MEM_PHYS_DADDR, "phys_daddr", sort_mem_phys_daddr),
2171	DIM(SORT_MEM_DATA_PAGE_SIZE, "data_page_size", sort_mem_data_page_size),
2172	DIM(SORT_MEM_BLOCKED, "blocked", sort_mem_blocked),
2173};
2174
2175#undef DIM
2176
2177struct hpp_dimension {
2178	const char		*name;
2179	struct perf_hpp_fmt	*fmt;
2180	int			taken;
2181};
2182
2183#define DIM(d, n) { .name = n, .fmt = &perf_hpp__format[d], }
2184
2185static struct hpp_dimension hpp_sort_dimensions[] = {
2186	DIM(PERF_HPP__OVERHEAD, "overhead"),
2187	DIM(PERF_HPP__OVERHEAD_SYS, "overhead_sys"),
2188	DIM(PERF_HPP__OVERHEAD_US, "overhead_us"),
2189	DIM(PERF_HPP__OVERHEAD_GUEST_SYS, "overhead_guest_sys"),
2190	DIM(PERF_HPP__OVERHEAD_GUEST_US, "overhead_guest_us"),
2191	DIM(PERF_HPP__OVERHEAD_ACC, "overhead_children"),
2192	DIM(PERF_HPP__SAMPLES, "sample"),
2193	DIM(PERF_HPP__PERIOD, "period"),
2194};
2195
2196#undef DIM
2197
2198struct hpp_sort_entry {
2199	struct perf_hpp_fmt hpp;
2200	struct sort_entry *se;
2201};
2202
2203void perf_hpp__reset_sort_width(struct perf_hpp_fmt *fmt, struct hists *hists)
2204{
2205	struct hpp_sort_entry *hse;
2206
2207	if (!perf_hpp__is_sort_entry(fmt))
2208		return;
2209
2210	hse = container_of(fmt, struct hpp_sort_entry, hpp);
2211	hists__new_col_len(hists, hse->se->se_width_idx, strlen(fmt->name));
2212}
2213
2214static int __sort__hpp_header(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
2215			      struct hists *hists, int line __maybe_unused,
2216			      int *span __maybe_unused)
2217{
2218	struct hpp_sort_entry *hse;
2219	size_t len = fmt->user_len;
2220
2221	hse = container_of(fmt, struct hpp_sort_entry, hpp);
2222
2223	if (!len)
2224		len = hists__col_len(hists, hse->se->se_width_idx);
2225
2226	return scnprintf(hpp->buf, hpp->size, "%-*.*s", len, len, fmt->name);
2227}
2228
2229static int __sort__hpp_width(struct perf_hpp_fmt *fmt,
2230			     struct perf_hpp *hpp __maybe_unused,
2231			     struct hists *hists)
2232{
2233	struct hpp_sort_entry *hse;
2234	size_t len = fmt->user_len;
2235
2236	hse = container_of(fmt, struct hpp_sort_entry, hpp);
2237
2238	if (!len)
2239		len = hists__col_len(hists, hse->se->se_width_idx);
2240
2241	return len;
2242}
2243
2244static int __sort__hpp_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
2245			     struct hist_entry *he)
2246{
2247	struct hpp_sort_entry *hse;
2248	size_t len = fmt->user_len;
2249
2250	hse = container_of(fmt, struct hpp_sort_entry, hpp);
2251
2252	if (!len)
2253		len = hists__col_len(he->hists, hse->se->se_width_idx);
2254
2255	return hse->se->se_snprintf(he, hpp->buf, hpp->size, len);
2256}
2257
2258static int64_t __sort__hpp_cmp(struct perf_hpp_fmt *fmt,
2259			       struct hist_entry *a, struct hist_entry *b)
2260{
2261	struct hpp_sort_entry *hse;
2262
2263	hse = container_of(fmt, struct hpp_sort_entry, hpp);
2264	return hse->se->se_cmp(a, b);
2265}
2266
2267static int64_t __sort__hpp_collapse(struct perf_hpp_fmt *fmt,
2268				    struct hist_entry *a, struct hist_entry *b)
2269{
2270	struct hpp_sort_entry *hse;
2271	int64_t (*collapse_fn)(struct hist_entry *, struct hist_entry *);
2272
2273	hse = container_of(fmt, struct hpp_sort_entry, hpp);
2274	collapse_fn = hse->se->se_collapse ?: hse->se->se_cmp;
2275	return collapse_fn(a, b);
2276}
2277
2278static int64_t __sort__hpp_sort(struct perf_hpp_fmt *fmt,
2279				struct hist_entry *a, struct hist_entry *b)
2280{
2281	struct hpp_sort_entry *hse;
2282	int64_t (*sort_fn)(struct hist_entry *, struct hist_entry *);
2283
2284	hse = container_of(fmt, struct hpp_sort_entry, hpp);
2285	sort_fn = hse->se->se_sort ?: hse->se->se_cmp;
2286	return sort_fn(a, b);
2287}
2288
2289bool perf_hpp__is_sort_entry(struct perf_hpp_fmt *format)
2290{
2291	return format->header == __sort__hpp_header;
2292}
2293
2294#define MK_SORT_ENTRY_CHK(key)					\
2295bool perf_hpp__is_ ## key ## _entry(struct perf_hpp_fmt *fmt)	\
2296{								\
2297	struct hpp_sort_entry *hse;				\
2298								\
2299	if (!perf_hpp__is_sort_entry(fmt))			\
2300		return false;					\
2301								\
2302	hse = container_of(fmt, struct hpp_sort_entry, hpp);	\
2303	return hse->se == &sort_ ## key ;			\
2304}
2305
2306#ifdef HAVE_LIBTRACEEVENT
2307MK_SORT_ENTRY_CHK(trace)
2308#else
2309bool perf_hpp__is_trace_entry(struct perf_hpp_fmt *fmt __maybe_unused)
2310{
2311	return false;
2312}
2313#endif
2314MK_SORT_ENTRY_CHK(srcline)
2315MK_SORT_ENTRY_CHK(srcfile)
2316MK_SORT_ENTRY_CHK(thread)
2317MK_SORT_ENTRY_CHK(comm)
2318MK_SORT_ENTRY_CHK(dso)
2319MK_SORT_ENTRY_CHK(sym)
2320
2321
2322static bool __sort__hpp_equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b)
2323{
2324	struct hpp_sort_entry *hse_a;
2325	struct hpp_sort_entry *hse_b;
2326
2327	if (!perf_hpp__is_sort_entry(a) || !perf_hpp__is_sort_entry(b))
2328		return false;
2329
2330	hse_a = container_of(a, struct hpp_sort_entry, hpp);
2331	hse_b = container_of(b, struct hpp_sort_entry, hpp);
2332
2333	return hse_a->se == hse_b->se;
2334}
2335
2336static void hse_free(struct perf_hpp_fmt *fmt)
2337{
2338	struct hpp_sort_entry *hse;
2339
2340	hse = container_of(fmt, struct hpp_sort_entry, hpp);
2341	free(hse);
2342}
2343
2344static void hse_init(struct perf_hpp_fmt *fmt, struct hist_entry *he)
2345{
2346	struct hpp_sort_entry *hse;
2347
2348	if (!perf_hpp__is_sort_entry(fmt))
2349		return;
2350
2351	hse = container_of(fmt, struct hpp_sort_entry, hpp);
2352
2353	if (hse->se->se_init)
2354		hse->se->se_init(he);
2355}
2356
2357static struct hpp_sort_entry *
2358__sort_dimension__alloc_hpp(struct sort_dimension *sd, int level)
2359{
2360	struct hpp_sort_entry *hse;
2361
2362	hse = malloc(sizeof(*hse));
2363	if (hse == NULL) {
2364		pr_err("Memory allocation failed\n");
2365		return NULL;
2366	}
2367
2368	hse->se = sd->entry;
2369	hse->hpp.name = sd->entry->se_header;
2370	hse->hpp.header = __sort__hpp_header;
2371	hse->hpp.width = __sort__hpp_width;
2372	hse->hpp.entry = __sort__hpp_entry;
2373	hse->hpp.color = NULL;
2374
2375	hse->hpp.cmp = __sort__hpp_cmp;
2376	hse->hpp.collapse = __sort__hpp_collapse;
2377	hse->hpp.sort = __sort__hpp_sort;
2378	hse->hpp.equal = __sort__hpp_equal;
2379	hse->hpp.free = hse_free;
2380	hse->hpp.init = hse_init;
2381
2382	INIT_LIST_HEAD(&hse->hpp.list);
2383	INIT_LIST_HEAD(&hse->hpp.sort_list);
2384	hse->hpp.elide = false;
2385	hse->hpp.len = 0;
2386	hse->hpp.user_len = 0;
2387	hse->hpp.level = level;
2388
2389	return hse;
2390}
2391
2392static void hpp_free(struct perf_hpp_fmt *fmt)
2393{
2394	free(fmt);
2395}
2396
2397static struct perf_hpp_fmt *__hpp_dimension__alloc_hpp(struct hpp_dimension *hd,
2398						       int level)
2399{
2400	struct perf_hpp_fmt *fmt;
2401
2402	fmt = memdup(hd->fmt, sizeof(*fmt));
2403	if (fmt) {
2404		INIT_LIST_HEAD(&fmt->list);
2405		INIT_LIST_HEAD(&fmt->sort_list);
2406		fmt->free = hpp_free;
2407		fmt->level = level;
2408	}
2409
2410	return fmt;
2411}
2412
2413int hist_entry__filter(struct hist_entry *he, int type, const void *arg)
2414{
2415	struct perf_hpp_fmt *fmt;
2416	struct hpp_sort_entry *hse;
2417	int ret = -1;
2418	int r;
2419
2420	perf_hpp_list__for_each_format(he->hpp_list, fmt) {
2421		if (!perf_hpp__is_sort_entry(fmt))
2422			continue;
2423
2424		hse = container_of(fmt, struct hpp_sort_entry, hpp);
2425		if (hse->se->se_filter == NULL)
2426			continue;
2427
2428		/*
2429		 * hist entry is filtered if any of sort key in the hpp list
2430		 * is applied.  But it should skip non-matched filter types.
2431		 */
2432		r = hse->se->se_filter(he, type, arg);
2433		if (r >= 0) {
2434			if (ret < 0)
2435				ret = 0;
2436			ret |= r;
2437		}
2438	}
2439
2440	return ret;
2441}
2442
2443static int __sort_dimension__add_hpp_sort(struct sort_dimension *sd,
2444					  struct perf_hpp_list *list,
2445					  int level)
2446{
2447	struct hpp_sort_entry *hse = __sort_dimension__alloc_hpp(sd, level);
2448
2449	if (hse == NULL)
2450		return -1;
2451
2452	perf_hpp_list__register_sort_field(list, &hse->hpp);
2453	return 0;
2454}
2455
2456static int __sort_dimension__add_hpp_output(struct sort_dimension *sd,
2457					    struct perf_hpp_list *list)
2458{
2459	struct hpp_sort_entry *hse = __sort_dimension__alloc_hpp(sd, 0);
2460
2461	if (hse == NULL)
2462		return -1;
2463
2464	perf_hpp_list__column_register(list, &hse->hpp);
2465	return 0;
2466}
2467
2468#ifndef HAVE_LIBTRACEEVENT
2469bool perf_hpp__is_dynamic_entry(struct perf_hpp_fmt *fmt __maybe_unused)
2470{
2471	return false;
2472}
2473bool perf_hpp__defined_dynamic_entry(struct perf_hpp_fmt *fmt __maybe_unused,
2474				     struct hists *hists __maybe_unused)
2475{
2476	return false;
2477}
2478#else
2479struct hpp_dynamic_entry {
2480	struct perf_hpp_fmt hpp;
2481	struct evsel *evsel;
2482	struct tep_format_field *field;
2483	unsigned dynamic_len;
2484	bool raw_trace;
2485};
2486
2487static int hde_width(struct hpp_dynamic_entry *hde)
2488{
2489	if (!hde->hpp.len) {
2490		int len = hde->dynamic_len;
2491		int namelen = strlen(hde->field->name);
2492		int fieldlen = hde->field->size;
2493
2494		if (namelen > len)
2495			len = namelen;
2496
2497		if (!(hde->field->flags & TEP_FIELD_IS_STRING)) {
2498			/* length for print hex numbers */
2499			fieldlen = hde->field->size * 2 + 2;
2500		}
2501		if (fieldlen > len)
2502			len = fieldlen;
2503
2504		hde->hpp.len = len;
2505	}
2506	return hde->hpp.len;
2507}
2508
2509static void update_dynamic_len(struct hpp_dynamic_entry *hde,
2510			       struct hist_entry *he)
2511{
2512	char *str, *pos;
2513	struct tep_format_field *field = hde->field;
2514	size_t namelen;
2515	bool last = false;
2516
2517	if (hde->raw_trace)
2518		return;
2519
2520	/* parse pretty print result and update max length */
2521	if (!he->trace_output)
2522		he->trace_output = get_trace_output(he);
2523
2524	namelen = strlen(field->name);
2525	str = he->trace_output;
2526
2527	while (str) {
2528		pos = strchr(str, ' ');
2529		if (pos == NULL) {
2530			last = true;
2531			pos = str + strlen(str);
2532		}
2533
2534		if (!strncmp(str, field->name, namelen)) {
2535			size_t len;
2536
2537			str += namelen + 1;
2538			len = pos - str;
2539
2540			if (len > hde->dynamic_len)
2541				hde->dynamic_len = len;
2542			break;
2543		}
2544
2545		if (last)
2546			str = NULL;
2547		else
2548			str = pos + 1;
2549	}
2550}
2551
2552static int __sort__hde_header(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
2553			      struct hists *hists __maybe_unused,
2554			      int line __maybe_unused,
2555			      int *span __maybe_unused)
2556{
2557	struct hpp_dynamic_entry *hde;
2558	size_t len = fmt->user_len;
2559
2560	hde = container_of(fmt, struct hpp_dynamic_entry, hpp);
2561
2562	if (!len)
2563		len = hde_width(hde);
2564
2565	return scnprintf(hpp->buf, hpp->size, "%*.*s", len, len, hde->field->name);
2566}
2567
2568static int __sort__hde_width(struct perf_hpp_fmt *fmt,
2569			     struct perf_hpp *hpp __maybe_unused,
2570			     struct hists *hists __maybe_unused)
2571{
2572	struct hpp_dynamic_entry *hde;
2573	size_t len = fmt->user_len;
2574
2575	hde = container_of(fmt, struct hpp_dynamic_entry, hpp);
2576
2577	if (!len)
2578		len = hde_width(hde);
2579
2580	return len;
2581}
2582
2583bool perf_hpp__defined_dynamic_entry(struct perf_hpp_fmt *fmt, struct hists *hists)
2584{
2585	struct hpp_dynamic_entry *hde;
2586
2587	hde = container_of(fmt, struct hpp_dynamic_entry, hpp);
2588
2589	return hists_to_evsel(hists) == hde->evsel;
2590}
2591
2592static int __sort__hde_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
2593			     struct hist_entry *he)
2594{
2595	struct hpp_dynamic_entry *hde;
2596	size_t len = fmt->user_len;
2597	char *str, *pos;
2598	struct tep_format_field *field;
2599	size_t namelen;
2600	bool last = false;
2601	int ret;
2602
2603	hde = container_of(fmt, struct hpp_dynamic_entry, hpp);
2604
2605	if (!len)
2606		len = hde_width(hde);
2607
2608	if (hde->raw_trace)
2609		goto raw_field;
2610
2611	if (!he->trace_output)
2612		he->trace_output = get_trace_output(he);
2613
2614	field = hde->field;
2615	namelen = strlen(field->name);
2616	str = he->trace_output;
2617
2618	while (str) {
2619		pos = strchr(str, ' ');
2620		if (pos == NULL) {
2621			last = true;
2622			pos = str + strlen(str);
2623		}
2624
2625		if (!strncmp(str, field->name, namelen)) {
2626			str += namelen + 1;
2627			str = strndup(str, pos - str);
2628
2629			if (str == NULL)
2630				return scnprintf(hpp->buf, hpp->size,
2631						 "%*.*s", len, len, "ERROR");
2632			break;
2633		}
2634
2635		if (last)
2636			str = NULL;
2637		else
2638			str = pos + 1;
2639	}
2640
2641	if (str == NULL) {
2642		struct trace_seq seq;
2643raw_field:
2644		trace_seq_init(&seq);
2645		tep_print_field(&seq, he->raw_data, hde->field);
2646		str = seq.buffer;
2647	}
2648
2649	ret = scnprintf(hpp->buf, hpp->size, "%*.*s", len, len, str);
2650	free(str);
2651	return ret;
2652}
2653
2654static int64_t __sort__hde_cmp(struct perf_hpp_fmt *fmt,
2655			       struct hist_entry *a, struct hist_entry *b)
2656{
2657	struct hpp_dynamic_entry *hde;
2658	struct tep_format_field *field;
2659	unsigned offset, size;
2660
2661	hde = container_of(fmt, struct hpp_dynamic_entry, hpp);
2662
 
 
 
 
 
2663	field = hde->field;
2664	if (field->flags & TEP_FIELD_IS_DYNAMIC) {
2665		unsigned long long dyn;
2666
2667		tep_read_number_field(field, a->raw_data, &dyn);
2668		offset = dyn & 0xffff;
2669		size = (dyn >> 16) & 0xffff;
2670#ifdef HAVE_LIBTRACEEVENT_TEP_FIELD_IS_RELATIVE
2671		if (field->flags & TEP_FIELD_IS_RELATIVE)
2672			offset += field->offset + field->size;
2673#endif
2674		/* record max width for output */
2675		if (size > hde->dynamic_len)
2676			hde->dynamic_len = size;
2677	} else {
2678		offset = field->offset;
2679		size = field->size;
2680	}
2681
2682	return memcmp(a->raw_data + offset, b->raw_data + offset, size);
2683}
2684
2685bool perf_hpp__is_dynamic_entry(struct perf_hpp_fmt *fmt)
2686{
2687	return fmt->cmp == __sort__hde_cmp;
2688}
2689
2690static bool __sort__hde_equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b)
2691{
2692	struct hpp_dynamic_entry *hde_a;
2693	struct hpp_dynamic_entry *hde_b;
2694
2695	if (!perf_hpp__is_dynamic_entry(a) || !perf_hpp__is_dynamic_entry(b))
2696		return false;
2697
2698	hde_a = container_of(a, struct hpp_dynamic_entry, hpp);
2699	hde_b = container_of(b, struct hpp_dynamic_entry, hpp);
2700
2701	return hde_a->field == hde_b->field;
2702}
2703
2704static void hde_free(struct perf_hpp_fmt *fmt)
2705{
2706	struct hpp_dynamic_entry *hde;
2707
2708	hde = container_of(fmt, struct hpp_dynamic_entry, hpp);
2709	free(hde);
2710}
2711
2712static void __sort__hde_init(struct perf_hpp_fmt *fmt, struct hist_entry *he)
2713{
2714	struct hpp_dynamic_entry *hde;
2715
2716	if (!perf_hpp__is_dynamic_entry(fmt))
2717		return;
2718
2719	hde = container_of(fmt, struct hpp_dynamic_entry, hpp);
2720	update_dynamic_len(hde, he);
2721}
2722
2723static struct hpp_dynamic_entry *
2724__alloc_dynamic_entry(struct evsel *evsel, struct tep_format_field *field,
2725		      int level)
2726{
2727	struct hpp_dynamic_entry *hde;
2728
2729	hde = malloc(sizeof(*hde));
2730	if (hde == NULL) {
2731		pr_debug("Memory allocation failed\n");
2732		return NULL;
2733	}
2734
2735	hde->evsel = evsel;
2736	hde->field = field;
2737	hde->dynamic_len = 0;
2738
2739	hde->hpp.name = field->name;
2740	hde->hpp.header = __sort__hde_header;
2741	hde->hpp.width  = __sort__hde_width;
2742	hde->hpp.entry  = __sort__hde_entry;
2743	hde->hpp.color  = NULL;
2744
2745	hde->hpp.init = __sort__hde_init;
2746	hde->hpp.cmp = __sort__hde_cmp;
2747	hde->hpp.collapse = __sort__hde_cmp;
2748	hde->hpp.sort = __sort__hde_cmp;
2749	hde->hpp.equal = __sort__hde_equal;
2750	hde->hpp.free = hde_free;
2751
2752	INIT_LIST_HEAD(&hde->hpp.list);
2753	INIT_LIST_HEAD(&hde->hpp.sort_list);
2754	hde->hpp.elide = false;
2755	hde->hpp.len = 0;
2756	hde->hpp.user_len = 0;
2757	hde->hpp.level = level;
2758
2759	return hde;
2760}
2761#endif /* HAVE_LIBTRACEEVENT */
2762
2763struct perf_hpp_fmt *perf_hpp_fmt__dup(struct perf_hpp_fmt *fmt)
2764{
2765	struct perf_hpp_fmt *new_fmt = NULL;
2766
2767	if (perf_hpp__is_sort_entry(fmt)) {
2768		struct hpp_sort_entry *hse, *new_hse;
2769
2770		hse = container_of(fmt, struct hpp_sort_entry, hpp);
2771		new_hse = memdup(hse, sizeof(*hse));
2772		if (new_hse)
2773			new_fmt = &new_hse->hpp;
2774#ifdef HAVE_LIBTRACEEVENT
2775	} else if (perf_hpp__is_dynamic_entry(fmt)) {
2776		struct hpp_dynamic_entry *hde, *new_hde;
2777
2778		hde = container_of(fmt, struct hpp_dynamic_entry, hpp);
2779		new_hde = memdup(hde, sizeof(*hde));
2780		if (new_hde)
2781			new_fmt = &new_hde->hpp;
2782#endif
2783	} else {
2784		new_fmt = memdup(fmt, sizeof(*fmt));
2785	}
2786
2787	INIT_LIST_HEAD(&new_fmt->list);
2788	INIT_LIST_HEAD(&new_fmt->sort_list);
2789
2790	return new_fmt;
2791}
2792
2793static int parse_field_name(char *str, char **event, char **field, char **opt)
2794{
2795	char *event_name, *field_name, *opt_name;
2796
2797	event_name = str;
2798	field_name = strchr(str, '.');
2799
2800	if (field_name) {
2801		*field_name++ = '\0';
2802	} else {
2803		event_name = NULL;
2804		field_name = str;
2805	}
2806
2807	opt_name = strchr(field_name, '/');
2808	if (opt_name)
2809		*opt_name++ = '\0';
2810
2811	*event = event_name;
2812	*field = field_name;
2813	*opt   = opt_name;
2814
2815	return 0;
2816}
2817
2818/* find match evsel using a given event name.  The event name can be:
2819 *   1. '%' + event index (e.g. '%1' for first event)
2820 *   2. full event name (e.g. sched:sched_switch)
2821 *   3. partial event name (should not contain ':')
2822 */
2823static struct evsel *find_evsel(struct evlist *evlist, char *event_name)
2824{
2825	struct evsel *evsel = NULL;
2826	struct evsel *pos;
2827	bool full_name;
2828
2829	/* case 1 */
2830	if (event_name[0] == '%') {
2831		int nr = strtol(event_name+1, NULL, 0);
2832
2833		if (nr > evlist->core.nr_entries)
2834			return NULL;
2835
2836		evsel = evlist__first(evlist);
2837		while (--nr > 0)
2838			evsel = evsel__next(evsel);
2839
2840		return evsel;
2841	}
2842
2843	full_name = !!strchr(event_name, ':');
2844	evlist__for_each_entry(evlist, pos) {
2845		/* case 2 */
2846		if (full_name && !strcmp(pos->name, event_name))
2847			return pos;
2848		/* case 3 */
2849		if (!full_name && strstr(pos->name, event_name)) {
2850			if (evsel) {
2851				pr_debug("'%s' event is ambiguous: it can be %s or %s\n",
2852					 event_name, evsel->name, pos->name);
2853				return NULL;
2854			}
2855			evsel = pos;
2856		}
2857	}
2858
2859	return evsel;
2860}
2861
2862#ifdef HAVE_LIBTRACEEVENT
2863static int __dynamic_dimension__add(struct evsel *evsel,
2864				    struct tep_format_field *field,
2865				    bool raw_trace, int level)
2866{
2867	struct hpp_dynamic_entry *hde;
2868
2869	hde = __alloc_dynamic_entry(evsel, field, level);
2870	if (hde == NULL)
2871		return -ENOMEM;
2872
2873	hde->raw_trace = raw_trace;
2874
2875	perf_hpp__register_sort_field(&hde->hpp);
2876	return 0;
2877}
2878
2879static int add_evsel_fields(struct evsel *evsel, bool raw_trace, int level)
2880{
2881	int ret;
2882	struct tep_format_field *field;
2883
2884	field = evsel->tp_format->format.fields;
2885	while (field) {
2886		ret = __dynamic_dimension__add(evsel, field, raw_trace, level);
2887		if (ret < 0)
2888			return ret;
2889
2890		field = field->next;
2891	}
2892	return 0;
2893}
2894
2895static int add_all_dynamic_fields(struct evlist *evlist, bool raw_trace,
2896				  int level)
2897{
2898	int ret;
2899	struct evsel *evsel;
2900
2901	evlist__for_each_entry(evlist, evsel) {
2902		if (evsel->core.attr.type != PERF_TYPE_TRACEPOINT)
2903			continue;
2904
2905		ret = add_evsel_fields(evsel, raw_trace, level);
2906		if (ret < 0)
2907			return ret;
2908	}
2909	return 0;
2910}
2911
2912static int add_all_matching_fields(struct evlist *evlist,
2913				   char *field_name, bool raw_trace, int level)
2914{
2915	int ret = -ESRCH;
2916	struct evsel *evsel;
2917	struct tep_format_field *field;
2918
2919	evlist__for_each_entry(evlist, evsel) {
2920		if (evsel->core.attr.type != PERF_TYPE_TRACEPOINT)
2921			continue;
2922
2923		field = tep_find_any_field(evsel->tp_format, field_name);
2924		if (field == NULL)
2925			continue;
2926
2927		ret = __dynamic_dimension__add(evsel, field, raw_trace, level);
2928		if (ret < 0)
2929			break;
2930	}
2931	return ret;
2932}
2933#endif /* HAVE_LIBTRACEEVENT */
2934
2935static int add_dynamic_entry(struct evlist *evlist, const char *tok,
2936			     int level)
2937{
2938	char *str, *event_name, *field_name, *opt_name;
2939	struct evsel *evsel;
 
2940	bool raw_trace = symbol_conf.raw_trace;
2941	int ret = 0;
2942
2943	if (evlist == NULL)
2944		return -ENOENT;
2945
2946	str = strdup(tok);
2947	if (str == NULL)
2948		return -ENOMEM;
2949
2950	if (parse_field_name(str, &event_name, &field_name, &opt_name) < 0) {
2951		ret = -EINVAL;
2952		goto out;
2953	}
2954
2955	if (opt_name) {
2956		if (strcmp(opt_name, "raw")) {
2957			pr_debug("unsupported field option %s\n", opt_name);
2958			ret = -EINVAL;
2959			goto out;
2960		}
2961		raw_trace = true;
2962	}
2963
2964#ifdef HAVE_LIBTRACEEVENT
2965	if (!strcmp(field_name, "trace_fields")) {
2966		ret = add_all_dynamic_fields(evlist, raw_trace, level);
2967		goto out;
2968	}
2969
2970	if (event_name == NULL) {
2971		ret = add_all_matching_fields(evlist, field_name, raw_trace, level);
2972		goto out;
2973	}
2974#else
2975	evlist__for_each_entry(evlist, evsel) {
2976		if (evsel->core.attr.type == PERF_TYPE_TRACEPOINT) {
2977			pr_err("%s %s", ret ? "," : "This perf binary isn't linked with libtraceevent, can't process", evsel__name(evsel));
2978			ret = -ENOTSUP;
2979		}
2980	}
2981
2982	if (ret) {
2983		pr_err("\n");
2984		goto out;
2985	}
2986#endif
2987
2988	evsel = find_evsel(evlist, event_name);
2989	if (evsel == NULL) {
2990		pr_debug("Cannot find event: %s\n", event_name);
2991		ret = -ENOENT;
2992		goto out;
2993	}
2994
2995	if (evsel->core.attr.type != PERF_TYPE_TRACEPOINT) {
2996		pr_debug("%s is not a tracepoint event\n", event_name);
2997		ret = -EINVAL;
2998		goto out;
2999	}
3000
3001#ifdef HAVE_LIBTRACEEVENT
3002	if (!strcmp(field_name, "*")) {
3003		ret = add_evsel_fields(evsel, raw_trace, level);
3004	} else {
3005		struct tep_format_field *field = tep_find_any_field(evsel->tp_format, field_name);
3006
3007		if (field == NULL) {
3008			pr_debug("Cannot find event field for %s.%s\n",
3009				 event_name, field_name);
3010			return -ENOENT;
3011		}
3012
3013		ret = __dynamic_dimension__add(evsel, field, raw_trace, level);
3014	}
3015#else
3016	(void)level;
3017	(void)raw_trace;
3018#endif /* HAVE_LIBTRACEEVENT */
3019
3020out:
3021	free(str);
3022	return ret;
3023}
3024
3025static int __sort_dimension__add(struct sort_dimension *sd,
3026				 struct perf_hpp_list *list,
3027				 int level)
3028{
3029	if (sd->taken)
3030		return 0;
3031
3032	if (__sort_dimension__add_hpp_sort(sd, list, level) < 0)
3033		return -1;
3034
3035	if (sd->entry->se_collapse)
3036		list->need_collapse = 1;
3037
3038	sd->taken = 1;
3039
3040	return 0;
3041}
3042
3043static int __hpp_dimension__add(struct hpp_dimension *hd,
3044				struct perf_hpp_list *list,
3045				int level)
3046{
3047	struct perf_hpp_fmt *fmt;
3048
3049	if (hd->taken)
3050		return 0;
3051
3052	fmt = __hpp_dimension__alloc_hpp(hd, level);
3053	if (!fmt)
3054		return -1;
3055
3056	hd->taken = 1;
3057	perf_hpp_list__register_sort_field(list, fmt);
3058	return 0;
3059}
3060
3061static int __sort_dimension__add_output(struct perf_hpp_list *list,
3062					struct sort_dimension *sd)
3063{
3064	if (sd->taken)
3065		return 0;
3066
3067	if (__sort_dimension__add_hpp_output(sd, list) < 0)
3068		return -1;
3069
3070	sd->taken = 1;
3071	return 0;
3072}
3073
3074static int __hpp_dimension__add_output(struct perf_hpp_list *list,
3075				       struct hpp_dimension *hd)
3076{
3077	struct perf_hpp_fmt *fmt;
3078
3079	if (hd->taken)
3080		return 0;
3081
3082	fmt = __hpp_dimension__alloc_hpp(hd, 0);
3083	if (!fmt)
3084		return -1;
3085
3086	hd->taken = 1;
3087	perf_hpp_list__column_register(list, fmt);
3088	return 0;
3089}
3090
3091int hpp_dimension__add_output(unsigned col)
3092{
3093	BUG_ON(col >= PERF_HPP__MAX_INDEX);
3094	return __hpp_dimension__add_output(&perf_hpp_list, &hpp_sort_dimensions[col]);
3095}
3096
3097int sort_dimension__add(struct perf_hpp_list *list, const char *tok,
3098			struct evlist *evlist,
3099			int level)
3100{
3101	unsigned int i, j;
3102
3103	/*
3104	 * Check to see if there are any arch specific
3105	 * sort dimensions not applicable for the current
3106	 * architecture. If so, Skip that sort key since
3107	 * we don't want to display it in the output fields.
3108	 */
3109	for (j = 0; j < ARRAY_SIZE(arch_specific_sort_keys); j++) {
3110		if (!strcmp(arch_specific_sort_keys[j], tok) &&
3111				!arch_support_sort_key(tok)) {
3112			return 0;
3113		}
3114	}
3115
3116	for (i = 0; i < ARRAY_SIZE(common_sort_dimensions); i++) {
3117		struct sort_dimension *sd = &common_sort_dimensions[i];
3118
3119		if (!sd->name || strncasecmp(tok, sd->name, strlen(tok)))
3120			continue;
3121
3122		for (j = 0; j < ARRAY_SIZE(dynamic_headers); j++) {
3123			if (sd->name && !strcmp(dynamic_headers[j], sd->name))
3124				sort_dimension_add_dynamic_header(sd);
3125		}
3126
3127		if (sd->entry == &sort_parent) {
3128			int ret = regcomp(&parent_regex, parent_pattern, REG_EXTENDED);
3129			if (ret) {
3130				char err[BUFSIZ];
3131
3132				regerror(ret, &parent_regex, err, sizeof(err));
3133				pr_err("Invalid regex: %s\n%s", parent_pattern, err);
3134				return -EINVAL;
3135			}
3136			list->parent = 1;
3137		} else if (sd->entry == &sort_sym) {
3138			list->sym = 1;
3139			/*
3140			 * perf diff displays the performance difference amongst
3141			 * two or more perf.data files. Those files could come
3142			 * from different binaries. So we should not compare
3143			 * their ips, but the name of symbol.
3144			 */
3145			if (sort__mode == SORT_MODE__DIFF)
3146				sd->entry->se_collapse = sort__sym_sort;
3147
3148		} else if (sd->entry == &sort_dso) {
3149			list->dso = 1;
3150		} else if (sd->entry == &sort_socket) {
3151			list->socket = 1;
3152		} else if (sd->entry == &sort_thread) {
3153			list->thread = 1;
3154		} else if (sd->entry == &sort_comm) {
3155			list->comm = 1;
3156		}
3157
3158		return __sort_dimension__add(sd, list, level);
3159	}
3160
3161	for (i = 0; i < ARRAY_SIZE(hpp_sort_dimensions); i++) {
3162		struct hpp_dimension *hd = &hpp_sort_dimensions[i];
3163
3164		if (strncasecmp(tok, hd->name, strlen(tok)))
3165			continue;
3166
3167		return __hpp_dimension__add(hd, list, level);
3168	}
3169
3170	for (i = 0; i < ARRAY_SIZE(bstack_sort_dimensions); i++) {
3171		struct sort_dimension *sd = &bstack_sort_dimensions[i];
3172
3173		if (!sd->name || strncasecmp(tok, sd->name, strlen(tok)))
3174			continue;
3175
3176		if (sort__mode != SORT_MODE__BRANCH)
3177			return -EINVAL;
3178
3179		if (sd->entry == &sort_sym_from || sd->entry == &sort_sym_to)
3180			list->sym = 1;
3181
3182		__sort_dimension__add(sd, list, level);
3183		return 0;
3184	}
3185
3186	for (i = 0; i < ARRAY_SIZE(memory_sort_dimensions); i++) {
3187		struct sort_dimension *sd = &memory_sort_dimensions[i];
3188
3189		if (!sd->name || strncasecmp(tok, sd->name, strlen(tok)))
3190			continue;
3191
3192		if (sort__mode != SORT_MODE__MEMORY)
3193			return -EINVAL;
3194
3195		if (sd->entry == &sort_mem_dcacheline && cacheline_size() == 0)
3196			return -EINVAL;
3197
3198		if (sd->entry == &sort_mem_daddr_sym)
3199			list->sym = 1;
3200
3201		__sort_dimension__add(sd, list, level);
3202		return 0;
3203	}
3204
3205	if (!add_dynamic_entry(evlist, tok, level))
3206		return 0;
3207
3208	return -ESRCH;
3209}
3210
3211static int setup_sort_list(struct perf_hpp_list *list, char *str,
3212			   struct evlist *evlist)
3213{
3214	char *tmp, *tok;
3215	int ret = 0;
3216	int level = 0;
3217	int next_level = 1;
3218	bool in_group = false;
3219
3220	do {
3221		tok = str;
3222		tmp = strpbrk(str, "{}, ");
3223		if (tmp) {
3224			if (in_group)
3225				next_level = level;
3226			else
3227				next_level = level + 1;
3228
3229			if (*tmp == '{')
3230				in_group = true;
3231			else if (*tmp == '}')
3232				in_group = false;
3233
3234			*tmp = '\0';
3235			str = tmp + 1;
3236		}
3237
3238		if (*tok) {
3239			ret = sort_dimension__add(list, tok, evlist, level);
3240			if (ret == -EINVAL) {
3241				if (!cacheline_size() && !strncasecmp(tok, "dcacheline", strlen(tok)))
3242					ui__error("The \"dcacheline\" --sort key needs to know the cacheline size and it couldn't be determined on this system");
3243				else
3244					ui__error("Invalid --sort key: `%s'", tok);
3245				break;
3246			} else if (ret == -ESRCH) {
3247				ui__error("Unknown --sort key: `%s'", tok);
3248				break;
3249			}
3250		}
3251
3252		level = next_level;
3253	} while (tmp);
3254
3255	return ret;
3256}
3257
3258static const char *get_default_sort_order(struct evlist *evlist)
3259{
3260	const char *default_sort_orders[] = {
3261		default_sort_order,
3262		default_branch_sort_order,
3263		default_mem_sort_order,
3264		default_top_sort_order,
3265		default_diff_sort_order,
3266		default_tracepoint_sort_order,
3267	};
3268	bool use_trace = true;
3269	struct evsel *evsel;
3270
3271	BUG_ON(sort__mode >= ARRAY_SIZE(default_sort_orders));
3272
3273	if (evlist == NULL || evlist__empty(evlist))
3274		goto out_no_evlist;
3275
3276	evlist__for_each_entry(evlist, evsel) {
3277		if (evsel->core.attr.type != PERF_TYPE_TRACEPOINT) {
3278			use_trace = false;
3279			break;
3280		}
3281	}
3282
3283	if (use_trace) {
3284		sort__mode = SORT_MODE__TRACEPOINT;
3285		if (symbol_conf.raw_trace)
3286			return "trace_fields";
3287	}
3288out_no_evlist:
3289	return default_sort_orders[sort__mode];
3290}
3291
3292static int setup_sort_order(struct evlist *evlist)
3293{
3294	char *new_sort_order;
3295
3296	/*
3297	 * Append '+'-prefixed sort order to the default sort
3298	 * order string.
3299	 */
3300	if (!sort_order || is_strict_order(sort_order))
3301		return 0;
3302
3303	if (sort_order[1] == '\0') {
3304		ui__error("Invalid --sort key: `+'");
3305		return -EINVAL;
3306	}
3307
3308	/*
3309	 * We allocate new sort_order string, but we never free it,
3310	 * because it's checked over the rest of the code.
3311	 */
3312	if (asprintf(&new_sort_order, "%s,%s",
3313		     get_default_sort_order(evlist), sort_order + 1) < 0) {
3314		pr_err("Not enough memory to set up --sort");
3315		return -ENOMEM;
3316	}
3317
3318	sort_order = new_sort_order;
3319	return 0;
3320}
3321
3322/*
3323 * Adds 'pre,' prefix into 'str' is 'pre' is
3324 * not already part of 'str'.
3325 */
3326static char *prefix_if_not_in(const char *pre, char *str)
3327{
3328	char *n;
3329
3330	if (!str || strstr(str, pre))
3331		return str;
3332
3333	if (asprintf(&n, "%s,%s", pre, str) < 0)
3334		n = NULL;
3335
3336	free(str);
3337	return n;
3338}
3339
3340static char *setup_overhead(char *keys)
3341{
3342	if (sort__mode == SORT_MODE__DIFF)
3343		return keys;
3344
3345	keys = prefix_if_not_in("overhead", keys);
3346
3347	if (symbol_conf.cumulate_callchain)
3348		keys = prefix_if_not_in("overhead_children", keys);
3349
3350	return keys;
3351}
3352
3353static int __setup_sorting(struct evlist *evlist)
3354{
3355	char *str;
3356	const char *sort_keys;
3357	int ret = 0;
3358
3359	ret = setup_sort_order(evlist);
3360	if (ret)
3361		return ret;
3362
3363	sort_keys = sort_order;
3364	if (sort_keys == NULL) {
3365		if (is_strict_order(field_order)) {
3366			/*
3367			 * If user specified field order but no sort order,
3368			 * we'll honor it and not add default sort orders.
3369			 */
3370			return 0;
3371		}
3372
3373		sort_keys = get_default_sort_order(evlist);
3374	}
3375
3376	str = strdup(sort_keys);
3377	if (str == NULL) {
3378		pr_err("Not enough memory to setup sort keys");
3379		return -ENOMEM;
3380	}
3381
3382	/*
3383	 * Prepend overhead fields for backward compatibility.
3384	 */
3385	if (!is_strict_order(field_order)) {
3386		str = setup_overhead(str);
3387		if (str == NULL) {
3388			pr_err("Not enough memory to setup overhead keys");
3389			return -ENOMEM;
3390		}
3391	}
3392
3393	ret = setup_sort_list(&perf_hpp_list, str, evlist);
3394
3395	free(str);
3396	return ret;
3397}
3398
3399void perf_hpp__set_elide(int idx, bool elide)
3400{
3401	struct perf_hpp_fmt *fmt;
3402	struct hpp_sort_entry *hse;
3403
3404	perf_hpp_list__for_each_format(&perf_hpp_list, fmt) {
3405		if (!perf_hpp__is_sort_entry(fmt))
3406			continue;
3407
3408		hse = container_of(fmt, struct hpp_sort_entry, hpp);
3409		if (hse->se->se_width_idx == idx) {
3410			fmt->elide = elide;
3411			break;
3412		}
3413	}
3414}
3415
3416static bool __get_elide(struct strlist *list, const char *list_name, FILE *fp)
3417{
3418	if (list && strlist__nr_entries(list) == 1) {
3419		if (fp != NULL)
3420			fprintf(fp, "# %s: %s\n", list_name,
3421				strlist__entry(list, 0)->s);
3422		return true;
3423	}
3424	return false;
3425}
3426
3427static bool get_elide(int idx, FILE *output)
3428{
3429	switch (idx) {
3430	case HISTC_SYMBOL:
3431		return __get_elide(symbol_conf.sym_list, "symbol", output);
3432	case HISTC_DSO:
3433		return __get_elide(symbol_conf.dso_list, "dso", output);
3434	case HISTC_COMM:
3435		return __get_elide(symbol_conf.comm_list, "comm", output);
3436	default:
3437		break;
3438	}
3439
3440	if (sort__mode != SORT_MODE__BRANCH)
3441		return false;
3442
3443	switch (idx) {
3444	case HISTC_SYMBOL_FROM:
3445		return __get_elide(symbol_conf.sym_from_list, "sym_from", output);
3446	case HISTC_SYMBOL_TO:
3447		return __get_elide(symbol_conf.sym_to_list, "sym_to", output);
3448	case HISTC_DSO_FROM:
3449		return __get_elide(symbol_conf.dso_from_list, "dso_from", output);
3450	case HISTC_DSO_TO:
3451		return __get_elide(symbol_conf.dso_to_list, "dso_to", output);
3452	case HISTC_ADDR_FROM:
3453		return __get_elide(symbol_conf.sym_from_list, "addr_from", output);
3454	case HISTC_ADDR_TO:
3455		return __get_elide(symbol_conf.sym_to_list, "addr_to", output);
3456	default:
3457		break;
3458	}
3459
3460	return false;
3461}
3462
3463void sort__setup_elide(FILE *output)
3464{
3465	struct perf_hpp_fmt *fmt;
3466	struct hpp_sort_entry *hse;
3467
3468	perf_hpp_list__for_each_format(&perf_hpp_list, fmt) {
3469		if (!perf_hpp__is_sort_entry(fmt))
3470			continue;
3471
3472		hse = container_of(fmt, struct hpp_sort_entry, hpp);
3473		fmt->elide = get_elide(hse->se->se_width_idx, output);
3474	}
3475
3476	/*
3477	 * It makes no sense to elide all of sort entries.
3478	 * Just revert them to show up again.
3479	 */
3480	perf_hpp_list__for_each_format(&perf_hpp_list, fmt) {
3481		if (!perf_hpp__is_sort_entry(fmt))
3482			continue;
3483
3484		if (!fmt->elide)
3485			return;
3486	}
3487
3488	perf_hpp_list__for_each_format(&perf_hpp_list, fmt) {
3489		if (!perf_hpp__is_sort_entry(fmt))
3490			continue;
3491
3492		fmt->elide = false;
3493	}
3494}
3495
3496int output_field_add(struct perf_hpp_list *list, char *tok)
3497{
3498	unsigned int i;
3499
3500	for (i = 0; i < ARRAY_SIZE(common_sort_dimensions); i++) {
3501		struct sort_dimension *sd = &common_sort_dimensions[i];
3502
3503		if (!sd->name || strncasecmp(tok, sd->name, strlen(tok)))
3504			continue;
3505
3506		return __sort_dimension__add_output(list, sd);
3507	}
3508
3509	for (i = 0; i < ARRAY_SIZE(hpp_sort_dimensions); i++) {
3510		struct hpp_dimension *hd = &hpp_sort_dimensions[i];
3511
3512		if (strncasecmp(tok, hd->name, strlen(tok)))
3513			continue;
3514
3515		return __hpp_dimension__add_output(list, hd);
3516	}
3517
3518	for (i = 0; i < ARRAY_SIZE(bstack_sort_dimensions); i++) {
3519		struct sort_dimension *sd = &bstack_sort_dimensions[i];
3520
3521		if (!sd->name || strncasecmp(tok, sd->name, strlen(tok)))
3522			continue;
3523
3524		if (sort__mode != SORT_MODE__BRANCH)
3525			return -EINVAL;
3526
3527		return __sort_dimension__add_output(list, sd);
3528	}
3529
3530	for (i = 0; i < ARRAY_SIZE(memory_sort_dimensions); i++) {
3531		struct sort_dimension *sd = &memory_sort_dimensions[i];
3532
3533		if (!sd->name || strncasecmp(tok, sd->name, strlen(tok)))
3534			continue;
3535
3536		if (sort__mode != SORT_MODE__MEMORY)
3537			return -EINVAL;
3538
3539		return __sort_dimension__add_output(list, sd);
3540	}
3541
3542	return -ESRCH;
3543}
3544
3545static int setup_output_list(struct perf_hpp_list *list, char *str)
3546{
3547	char *tmp, *tok;
3548	int ret = 0;
3549
3550	for (tok = strtok_r(str, ", ", &tmp);
3551			tok; tok = strtok_r(NULL, ", ", &tmp)) {
3552		ret = output_field_add(list, tok);
3553		if (ret == -EINVAL) {
3554			ui__error("Invalid --fields key: `%s'", tok);
3555			break;
3556		} else if (ret == -ESRCH) {
3557			ui__error("Unknown --fields key: `%s'", tok);
3558			break;
3559		}
3560	}
3561
3562	return ret;
3563}
3564
3565void reset_dimensions(void)
3566{
3567	unsigned int i;
3568
3569	for (i = 0; i < ARRAY_SIZE(common_sort_dimensions); i++)
3570		common_sort_dimensions[i].taken = 0;
3571
3572	for (i = 0; i < ARRAY_SIZE(hpp_sort_dimensions); i++)
3573		hpp_sort_dimensions[i].taken = 0;
3574
3575	for (i = 0; i < ARRAY_SIZE(bstack_sort_dimensions); i++)
3576		bstack_sort_dimensions[i].taken = 0;
3577
3578	for (i = 0; i < ARRAY_SIZE(memory_sort_dimensions); i++)
3579		memory_sort_dimensions[i].taken = 0;
3580}
3581
3582bool is_strict_order(const char *order)
3583{
3584	return order && (*order != '+');
3585}
3586
3587static int __setup_output_field(void)
3588{
3589	char *str, *strp;
3590	int ret = -EINVAL;
3591
3592	if (field_order == NULL)
3593		return 0;
3594
3595	strp = str = strdup(field_order);
3596	if (str == NULL) {
3597		pr_err("Not enough memory to setup output fields");
3598		return -ENOMEM;
3599	}
3600
3601	if (!is_strict_order(field_order))
3602		strp++;
3603
3604	if (!strlen(strp)) {
3605		ui__error("Invalid --fields key: `+'");
3606		goto out;
3607	}
3608
3609	ret = setup_output_list(&perf_hpp_list, strp);
3610
3611out:
3612	free(str);
3613	return ret;
3614}
3615
3616int setup_sorting(struct evlist *evlist)
3617{
3618	int err;
3619
3620	err = __setup_sorting(evlist);
3621	if (err < 0)
3622		return err;
3623
3624	if (parent_pattern != default_parent_pattern) {
3625		err = sort_dimension__add(&perf_hpp_list, "parent", evlist, -1);
3626		if (err < 0)
3627			return err;
3628	}
3629
3630	reset_dimensions();
3631
3632	/*
3633	 * perf diff doesn't use default hpp output fields.
3634	 */
3635	if (sort__mode != SORT_MODE__DIFF)
3636		perf_hpp__init();
3637
3638	err = __setup_output_field();
3639	if (err < 0)
3640		return err;
3641
3642	/* copy sort keys to output fields */
3643	perf_hpp__setup_output_field(&perf_hpp_list);
3644	/* and then copy output fields to sort keys */
3645	perf_hpp__append_sort_keys(&perf_hpp_list);
3646
3647	/* setup hists-specific output fields */
3648	if (perf_hpp__setup_hists_formats(&perf_hpp_list, evlist) < 0)
3649		return -1;
3650
3651	return 0;
3652}
3653
3654void reset_output_field(void)
3655{
3656	perf_hpp_list.need_collapse = 0;
3657	perf_hpp_list.parent = 0;
3658	perf_hpp_list.sym = 0;
3659	perf_hpp_list.dso = 0;
3660
3661	field_order = NULL;
3662	sort_order = NULL;
3663
3664	reset_dimensions();
3665	perf_hpp__reset_output_field(&perf_hpp_list);
3666}
3667
3668#define INDENT (3*8 + 1)
3669
3670static void add_key(struct strbuf *sb, const char *str, int *llen)
3671{
3672	if (!str)
3673		return;
3674
3675	if (*llen >= 75) {
3676		strbuf_addstr(sb, "\n\t\t\t ");
3677		*llen = INDENT;
3678	}
3679	strbuf_addf(sb, " %s", str);
3680	*llen += strlen(str) + 1;
3681}
3682
3683static void add_sort_string(struct strbuf *sb, struct sort_dimension *s, int n,
3684			    int *llen)
3685{
3686	int i;
3687
3688	for (i = 0; i < n; i++)
3689		add_key(sb, s[i].name, llen);
3690}
3691
3692static void add_hpp_sort_string(struct strbuf *sb, struct hpp_dimension *s, int n,
3693				int *llen)
3694{
3695	int i;
3696
3697	for (i = 0; i < n; i++)
3698		add_key(sb, s[i].name, llen);
3699}
3700
3701char *sort_help(const char *prefix)
3702{
3703	struct strbuf sb;
3704	char *s;
3705	int len = strlen(prefix) + INDENT;
3706
3707	strbuf_init(&sb, 300);
3708	strbuf_addstr(&sb, prefix);
3709	add_hpp_sort_string(&sb, hpp_sort_dimensions,
3710			    ARRAY_SIZE(hpp_sort_dimensions), &len);
3711	add_sort_string(&sb, common_sort_dimensions,
3712			    ARRAY_SIZE(common_sort_dimensions), &len);
3713	add_sort_string(&sb, bstack_sort_dimensions,
3714			    ARRAY_SIZE(bstack_sort_dimensions), &len);
3715	add_sort_string(&sb, memory_sort_dimensions,
3716			    ARRAY_SIZE(memory_sort_dimensions), &len);
3717	s = strbuf_detach(&sb, NULL);
3718	strbuf_release(&sb);
3719	return s;
3720}