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