| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Arnaldo Carvalho de Melo | 1804 | 20.57% | 132 | 29.73% |
| Namhyung Kim | 1643 | 18.73% | 78 | 17.57% |
| Ian Rogers | 1015 | 11.57% | 19 | 4.28% |
| Jiri Olsa | 997 | 11.37% | 34 | 7.66% |
| Jin Yao | 777 | 8.86% | 27 | 6.08% |
| Andi Kleen | 323 | 3.68% | 13 | 2.93% |
| Stéphane Eranian | 268 | 3.06% | 5 | 1.13% |
| Ingo Molnar | 213 | 2.43% | 21 | 4.73% |
| Adrian Hunter | 213 | 2.43% | 11 | 2.48% |
| Kan Liang | 153 | 1.74% | 7 | 1.58% |
| Frédéric Weisbecker | 137 | 1.56% | 9 | 2.03% |
| Greg Price | 130 | 1.48% | 1 | 0.23% |
| David Ahern | 119 | 1.36% | 7 | 1.58% |
| Peter Zijlstra | 112 | 1.28% | 13 | 2.93% |
| Brice Goglin | 71 | 0.81% | 2 | 0.45% |
| Anton Blanchard | 65 | 0.74% | 2 | 0.45% |
| Riccardo Mancini | 64 | 0.73% | 1 | 0.23% |
| Leo Yan | 48 | 0.55% | 1 | 0.23% |
| Tom Zanussi | 47 | 0.54% | 4 | 0.90% |
| Robert Richter | 45 | 0.51% | 2 | 0.45% |
| Taeung Song | 43 | 0.49% | 3 | 0.68% |
| Wang YanQing | 40 | 0.46% | 1 | 0.23% |
| Alexey Budankov | 39 | 0.44% | 2 | 0.45% |
| Roberto Agostino Vitillo | 38 | 0.43% | 1 | 0.23% |
| David Carrillo-Cisneros | 36 | 0.41% | 2 | 0.45% |
| Pekka J Enberg | 30 | 0.34% | 1 | 0.23% |
| Waiman Long | 26 | 0.30% | 1 | 0.23% |
| Sam Liao | 24 | 0.27% | 1 | 0.23% |
| Maciek Borzecki | 18 | 0.21% | 1 | 0.23% |
| Feng Tang | 18 | 0.21% | 1 | 0.23% |
| Eric B Munson | 17 | 0.19% | 2 | 0.45% |
| Ashay Rane | 16 | 0.18% | 1 | 0.23% |
| Alexandre Truong | 16 | 0.18% | 1 | 0.23% |
| Irina Tirdea | 16 | 0.18% | 2 | 0.45% |
| Ravi Bangoria | 15 | 0.17% | 2 | 0.45% |
| Yanmin Zhang | 15 | 0.17% | 1 | 0.23% |
| Ian Munsie | 14 | 0.16% | 2 | 0.45% |
| Mike Galbraith | 11 | 0.13% | 1 | 0.23% |
| Seokho Song | 10 | 0.11% | 1 | 0.23% |
| Avi Kivity | 8 | 0.09% | 1 | 0.23% |
| He Kuang | 8 | 0.09% | 3 | 0.68% |
| Mamatha Inamdar | 7 | 0.08% | 1 | 0.23% |
| Wang Nan | 6 | 0.07% | 3 | 0.68% |
| Arjan van de Ven | 6 | 0.07% | 1 | 0.23% |
| Naohiro Aota | 6 | 0.07% | 1 | 0.23% |
| John Kacur | 6 | 0.07% | 2 | 0.45% |
| Jan Kratochvil | 6 | 0.07% | 1 | 0.23% |
| Hari Bathini | 5 | 0.06% | 1 | 0.23% |
| Li Zhang | 4 | 0.05% | 1 | 0.23% |
| James Clark | 4 | 0.05% | 2 | 0.45% |
| Yunlong Song | 3 | 0.03% | 1 | 0.23% |
| Don Zickus | 3 | 0.03% | 1 | 0.23% |
| Alexander Yarygin | 3 | 0.03% | 1 | 0.23% |
| Josh Poimboeuf | 2 | 0.02% | 1 | 0.23% |
| Gaurav Singh | 2 | 0.02% | 1 | 0.23% |
| Greg Kroah-Hartman | 1 | 0.01% | 1 | 0.23% |
| Colin Ian King | 1 | 0.01% | 1 | 0.23% |
| OGAWA Hirofumi | 1 | 0.01% | 1 | 0.23% |
| Zou Wei | 1 | 0.01% | 1 | 0.23% |
| Tzvetomir Stoyanov (VMware) | 1 | 0.01% | 1 | 0.23% |
| Rasmus Villemoes | 1 | 0.01% | 1 | 0.23% |
| Total | 8771 | 444 |
// SPDX-License-Identifier: GPL-2.0 /* * builtin-report.c * * Builtin report command: Analyze the perf.data input file, * look up and read DSOs and symbol information and display * a histogram of results, along various sorting keys. */ #include "builtin.h" #include "util/config.h" #include "util/annotate.h" #include "util/color.h" #include "util/dso.h" #include <linux/list.h> #include <linux/rbtree.h> #include <linux/err.h> #include <linux/zalloc.h> #include "util/map.h" #include "util/symbol.h" #include "util/map_symbol.h" #include "util/mem-events.h" #include "util/branch.h" #include "util/callchain.h" #include "util/values.h" #include "perf.h" #include "util/debug.h" #include "util/evlist.h" #include "util/evsel.h" #include "util/evswitch.h" #include "util/header.h" #include "util/session.h" #include "util/srcline.h" #include "util/tool.h" #include <subcmd/parse-options.h> #include <subcmd/exec-cmd.h> #include "util/parse-events.h" #include "util/thread.h" #include "util/sort.h" #include "util/hist.h" #include "util/data.h" #include "arch/common.h" #include "util/time-utils.h" #include "util/auxtrace.h" #include "util/units.h" #include "util/util.h" // perf_tip() #include "ui/ui.h" #include "ui/progress.h" #include "util/block-info.h" #include <dlfcn.h> #include <errno.h> #include <inttypes.h> #include <regex.h> #include <linux/ctype.h> #include <signal.h> #include <linux/bitmap.h> #include <linux/list_sort.h> #include <linux/string.h> #include <linux/stringify.h> #include <linux/time64.h> #include <sys/types.h> #include <sys/stat.h> #include <unistd.h> #include <linux/mman.h> #ifdef HAVE_LIBTRACEEVENT #include <traceevent/event-parse.h> #endif struct report { struct perf_tool tool; struct perf_session *session; struct evswitch evswitch; #ifdef HAVE_SLANG_SUPPORT bool use_tui; #endif #ifdef HAVE_GTK2_SUPPORT bool use_gtk; #endif bool use_stdio; bool show_full_info; bool show_threads; bool inverted_callchain; bool mem_mode; bool stats_mode; bool tasks_mode; bool mmaps_mode; bool header; bool header_only; bool nonany_branch_mode; bool group_set; bool stitch_lbr; bool disable_order; bool skip_empty; bool data_type; int max_stack; struct perf_read_values show_threads_values; const char *pretty_printing_style; const char *cpu_list; const char *symbol_filter_str; const char *time_str; struct perf_time_interval *ptime_range; int range_size; int range_num; float min_percent; u64 nr_entries; u64 queue_size; u64 total_cycles; int socket_filter; DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); struct branch_type_stat brtype_stat; bool symbol_ipc; bool total_cycles_mode; struct block_report *block_reports; int nr_block_reports; }; static int report__config(const char *var, const char *value, void *cb) { struct report *rep = cb; if (!strcmp(var, "report.group")) { symbol_conf.event_group = perf_config_bool(var, value); return 0; } if (!strcmp(var, "report.percent-limit")) { double pcnt = strtof(value, NULL); rep->min_percent = pcnt; callchain_param.min_percent = pcnt; return 0; } if (!strcmp(var, "report.children")) { symbol_conf.cumulate_callchain = perf_config_bool(var, value); return 0; } if (!strcmp(var, "report.queue-size")) return perf_config_u64(&rep->queue_size, var, value); if (!strcmp(var, "report.sort_order")) { default_sort_order = strdup(value); if (!default_sort_order) { pr_err("Not enough memory for report.sort_order\n"); return -1; } return 0; } if (!strcmp(var, "report.skip-empty")) { rep->skip_empty = perf_config_bool(var, value); return 0; } pr_debug("%s variable unknown, ignoring...", var); return 0; } static int hist_iter__report_callback(struct hist_entry_iter *iter, struct addr_location *al, bool single, void *arg) { int err = 0; struct report *rep = arg; struct hist_entry *he = iter->he; struct evsel *evsel = iter->evsel; struct perf_sample *sample = iter->sample; struct mem_info *mi; struct branch_info *bi; if (!ui__has_annotation() && !rep->symbol_ipc && !rep->data_type) return 0; if (sort__mode == SORT_MODE__BRANCH) { bi = he->branch_info; err = addr_map_symbol__inc_samples(&bi->from, sample, evsel); if (err) goto out; err = addr_map_symbol__inc_samples(&bi->to, sample, evsel); } else if (rep->mem_mode) { mi = he->mem_info; err = addr_map_symbol__inc_samples(&mi->daddr, sample, evsel); if (err) goto out; err = hist_entry__inc_addr_samples(he, sample, evsel, al->addr); } else if (symbol_conf.cumulate_callchain) { if (single) err = hist_entry__inc_addr_samples(he, sample, evsel, al->addr); } else { err = hist_entry__inc_addr_samples(he, sample, evsel, al->addr); } out: return err; } static int hist_iter__branch_callback(struct hist_entry_iter *iter, struct addr_location *al __maybe_unused, bool single __maybe_unused, void *arg) { struct hist_entry *he = iter->he; struct report *rep = arg; struct branch_info *bi = he->branch_info; struct perf_sample *sample = iter->sample; struct evsel *evsel = iter->evsel; int err; branch_type_count(&rep->brtype_stat, &bi->flags, bi->from.addr, bi->to.addr); if (!ui__has_annotation() && !rep->symbol_ipc) return 0; err = addr_map_symbol__inc_samples(&bi->from, sample, evsel); if (err) goto out; err = addr_map_symbol__inc_samples(&bi->to, sample, evsel); out: return err; } static void setup_forced_leader(struct report *report, struct evlist *evlist) { if (report->group_set) evlist__force_leader(evlist); } static int process_feature_event(struct perf_session *session, union perf_event *event) { struct report *rep = container_of(session->tool, struct report, tool); if (event->feat.feat_id < HEADER_LAST_FEATURE) return perf_event__process_feature(session, event); if (event->feat.feat_id != HEADER_LAST_FEATURE) { pr_err("failed: wrong feature ID: %" PRI_lu64 "\n", event->feat.feat_id); return -1; } else if (rep->header_only) { session_done = 1; } /* * (feat_id = HEADER_LAST_FEATURE) is the end marker which * means all features are received, now we can force the * group if needed. */ setup_forced_leader(rep, session->evlist); return 0; } static int process_sample_event(struct perf_tool *tool, union perf_event *event, struct perf_sample *sample, struct evsel *evsel, struct machine *machine) { struct report *rep = container_of(tool, struct report, tool); struct addr_location al; struct hist_entry_iter iter = { .evsel = evsel, .sample = sample, .hide_unresolved = symbol_conf.hide_unresolved, .add_entry_cb = hist_iter__report_callback, }; int ret = 0; if (perf_time__ranges_skip_sample(rep->ptime_range, rep->range_num, sample->time)) { return 0; } if (evswitch__discard(&rep->evswitch, evsel)) return 0; addr_location__init(&al); if (machine__resolve(machine, &al, sample) < 0) { pr_debug("problem processing %d event, skipping it.\n", event->header.type); ret = -1; goto out_put; } if (rep->stitch_lbr) thread__set_lbr_stitch_enable(al.thread, true); if (symbol_conf.hide_unresolved && al.sym == NULL) goto out_put; if (rep->cpu_list && !test_bit(sample->cpu, rep->cpu_bitmap)) goto out_put; if (sort__mode == SORT_MODE__BRANCH) { /* * A non-synthesized event might not have a branch stack if * branch stacks have been synthesized (using itrace options). */ if (!sample->branch_stack) goto out_put; iter.add_entry_cb = hist_iter__branch_callback; iter.ops = &hist_iter_branch; } else if (rep->mem_mode) { iter.ops = &hist_iter_mem; } else if (symbol_conf.cumulate_callchain) { iter.ops = &hist_iter_cumulative; } else { iter.ops = &hist_iter_normal; } if (al.map != NULL) map__dso(al.map)->hit = 1; if (ui__has_annotation() || rep->symbol_ipc || rep->total_cycles_mode) { hist__account_cycles(sample->branch_stack, &al, sample, rep->nonany_branch_mode, &rep->total_cycles); } ret = hist_entry_iter__add(&iter, &al, rep->max_stack, rep); if (ret < 0) pr_debug("problem adding hist entry, skipping event\n"); out_put: addr_location__exit(&al); return ret; } static int process_read_event(struct perf_tool *tool, union perf_event *event, struct perf_sample *sample __maybe_unused, struct evsel *evsel, struct machine *machine __maybe_unused) { struct report *rep = container_of(tool, struct report, tool); if (rep->show_threads) { const char *name = evsel__name(evsel); int err = perf_read_values_add_value(&rep->show_threads_values, event->read.pid, event->read.tid, evsel->core.idx, name, event->read.value); if (err) return err; } return 0; } /* For pipe mode, sample_type is not currently set */ static int report__setup_sample_type(struct report *rep) { struct perf_session *session = rep->session; u64 sample_type = evlist__combined_sample_type(session->evlist); bool is_pipe = perf_data__is_pipe(session->data); struct evsel *evsel; if (session->itrace_synth_opts->callchain || session->itrace_synth_opts->add_callchain || (!is_pipe && perf_header__has_feat(&session->header, HEADER_AUXTRACE) && !session->itrace_synth_opts->set)) sample_type |= PERF_SAMPLE_CALLCHAIN; if (session->itrace_synth_opts->last_branch || session->itrace_synth_opts->add_last_branch) sample_type |= PERF_SAMPLE_BRANCH_STACK; if (!is_pipe && !(sample_type & PERF_SAMPLE_CALLCHAIN)) { if (perf_hpp_list.parent) { ui__error("Selected --sort parent, but no " "callchain data. Did you call " "'perf record' without -g?\n"); return -EINVAL; } if (symbol_conf.use_callchain && !symbol_conf.show_branchflag_count) { ui__error("Selected -g or --branch-history.\n" "But no callchain or branch data.\n" "Did you call 'perf record' without -g or -b?\n"); return -1; } } else if (!callchain_param.enabled && callchain_param.mode != CHAIN_NONE && !symbol_conf.use_callchain) { symbol_conf.use_callchain = true; if (callchain_register_param(&callchain_param) < 0) { ui__error("Can't register callchain params.\n"); return -EINVAL; } } if (symbol_conf.cumulate_callchain) { /* Silently ignore if callchain is missing */ if (!(sample_type & PERF_SAMPLE_CALLCHAIN)) { symbol_conf.cumulate_callchain = false; perf_hpp__cancel_cumulate(); } } if (sort__mode == SORT_MODE__BRANCH) { if (!is_pipe && !(sample_type & PERF_SAMPLE_BRANCH_STACK)) { ui__error("Selected -b but no branch data. " "Did you call perf record without -b?\n"); return -1; } } if (sort__mode == SORT_MODE__MEMORY) { /* * FIXUP: prior to kernel 5.18, Arm SPE missed to set * PERF_SAMPLE_DATA_SRC bit in sample type. For backward * compatibility, set the bit if it's an old perf data file. */ evlist__for_each_entry(session->evlist, evsel) { if (strstr(evsel->name, "arm_spe") && !(sample_type & PERF_SAMPLE_DATA_SRC)) { evsel->core.attr.sample_type |= PERF_SAMPLE_DATA_SRC; sample_type |= PERF_SAMPLE_DATA_SRC; } } if (!is_pipe && !(sample_type & PERF_SAMPLE_DATA_SRC)) { ui__error("Selected --mem-mode but no mem data. " "Did you call perf record without -d?\n"); return -1; } } callchain_param_setup(sample_type, perf_env__arch(&rep->session->header.env)); if (rep->stitch_lbr && (callchain_param.record_mode != CALLCHAIN_LBR)) { ui__warning("Can't find LBR callchain. Switch off --stitch-lbr.\n" "Please apply --call-graph lbr when recording.\n"); rep->stitch_lbr = false; } /* ??? handle more cases than just ANY? */ if (!(evlist__combined_branch_type(session->evlist) & PERF_SAMPLE_BRANCH_ANY)) rep->nonany_branch_mode = true; #if !defined(HAVE_LIBUNWIND_SUPPORT) && !defined(HAVE_DWARF_SUPPORT) if (dwarf_callchain_users) { ui__warning("Please install libunwind or libdw " "development packages during the perf build.\n"); } #endif return 0; } static void sig_handler(int sig __maybe_unused) { session_done = 1; } static size_t hists__fprintf_nr_sample_events(struct hists *hists, struct report *rep, const char *evname, FILE *fp) { size_t ret; char unit; unsigned long nr_samples = hists->stats.nr_samples; u64 nr_events = hists->stats.total_period; struct evsel *evsel = hists_to_evsel(hists); char buf[512]; size_t size = sizeof(buf); int socked_id = hists->socket_filter; if (quiet) return 0; if (symbol_conf.filter_relative) { nr_samples = hists->stats.nr_non_filtered_samples; nr_events = hists->stats.total_non_filtered_period; } if (evsel__is_group_event(evsel)) { struct evsel *pos; evsel__group_desc(evsel, buf, size); evname = buf; for_each_group_member(pos, evsel) { const struct hists *pos_hists = evsel__hists(pos); if (symbol_conf.filter_relative) { nr_samples += pos_hists->stats.nr_non_filtered_samples; nr_events += pos_hists->stats.total_non_filtered_period; } else { nr_samples += pos_hists->stats.nr_samples; nr_events += pos_hists->stats.total_period; } } } nr_samples = convert_unit(nr_samples, &unit); ret = fprintf(fp, "# Samples: %lu%c", nr_samples, unit); if (evname != NULL) { ret += fprintf(fp, " of event%s '%s'", evsel->core.nr_members > 1 ? "s" : "", evname); } if (rep->time_str) ret += fprintf(fp, " (time slices: %s)", rep->time_str); if (symbol_conf.show_ref_callgraph && evname && strstr(evname, "call-graph=no")) { ret += fprintf(fp, ", show reference callgraph"); } if (rep->mem_mode) { ret += fprintf(fp, "\n# Total weight : %" PRIu64, nr_events); ret += fprintf(fp, "\n# Sort order : %s", sort_order ? : default_mem_sort_order); } else ret += fprintf(fp, "\n# Event count (approx.): %" PRIu64, nr_events); if (socked_id > -1) ret += fprintf(fp, "\n# Processor Socket: %d", socked_id); return ret + fprintf(fp, "\n#\n"); } static int evlist__tui_block_hists_browse(struct evlist *evlist, struct report *rep) { struct evsel *pos; int i = 0, ret; evlist__for_each_entry(evlist, pos) { ret = report__browse_block_hists(&rep->block_reports[i++].hist, rep->min_percent, pos, &rep->session->header.env); if (ret != 0) return ret; } return 0; } static int evlist__tty_browse_hists(struct evlist *evlist, struct report *rep, const char *help) { struct evsel *pos; int i = 0; if (!quiet) { fprintf(stdout, "#\n# Total Lost Samples: %" PRIu64 "\n#\n", evlist->stats.total_lost_samples); } evlist__for_each_entry(evlist, pos) { struct hists *hists = evsel__hists(pos); const char *evname = evsel__name(pos); if (symbol_conf.event_group && !evsel__is_group_leader(pos)) continue; if (rep->skip_empty && !hists->stats.nr_samples) continue; hists__fprintf_nr_sample_events(hists, rep, evname, stdout); if (rep->total_cycles_mode) { report__browse_block_hists(&rep->block_reports[i++].hist, rep->min_percent, pos, NULL); continue; } hists__fprintf(hists, !quiet, 0, 0, rep->min_percent, stdout, !(symbol_conf.use_callchain || symbol_conf.show_branchflag_count)); fprintf(stdout, "\n\n"); } if (!quiet) fprintf(stdout, "#\n# (%s)\n#\n", help); if (rep->show_threads) { bool style = !strcmp(rep->pretty_printing_style, "raw"); perf_read_values_display(stdout, &rep->show_threads_values, style); perf_read_values_destroy(&rep->show_threads_values); } if (sort__mode == SORT_MODE__BRANCH) branch_type_stat_display(stdout, &rep->brtype_stat); return 0; } static void report__warn_kptr_restrict(const struct report *rep) { struct map *kernel_map = machine__kernel_map(&rep->session->machines.host); struct kmap *kernel_kmap = kernel_map ? map__kmap(kernel_map) : NULL; if (evlist__exclude_kernel(rep->session->evlist)) return; if (kernel_map == NULL || (map__dso(kernel_map)->hit && (kernel_kmap->ref_reloc_sym == NULL || kernel_kmap->ref_reloc_sym->addr == 0))) { const char *desc = "As no suitable kallsyms nor vmlinux was found, kernel samples\n" "can't be resolved."; if (kernel_map && map__has_symbols(kernel_map)) { desc = "If some relocation was applied (e.g. " "kexec) symbols may be misresolved."; } ui__warning( "Kernel address maps (/proc/{kallsyms,modules}) were restricted.\n\n" "Check /proc/sys/kernel/kptr_restrict before running 'perf record'.\n\n%s\n\n" "Samples in kernel modules can't be resolved as well.\n\n", desc); } } static int report__gtk_browse_hists(struct report *rep, const char *help) { int (*hist_browser)(struct evlist *evlist, const char *help, struct hist_browser_timer *timer, float min_pcnt); hist_browser = dlsym(perf_gtk_handle, "evlist__gtk_browse_hists"); if (hist_browser == NULL) { ui__error("GTK browser not found!\n"); return -1; } return hist_browser(rep->session->evlist, help, NULL, rep->min_percent); } static int report__browse_hists(struct report *rep) { int ret; struct perf_session *session = rep->session; struct evlist *evlist = session->evlist; char *help = NULL, *path = NULL; path = system_path(TIPDIR); if (perf_tip(&help, path) || help == NULL) { /* fallback for people who don't install perf ;-) */ free(path); path = system_path(DOCDIR); if (perf_tip(&help, path) || help == NULL) help = strdup("Cannot load tips.txt file, please install perf!"); } free(path); switch (use_browser) { case 1: if (rep->total_cycles_mode) { ret = evlist__tui_block_hists_browse(evlist, rep); break; } ret = evlist__tui_browse_hists(evlist, help, NULL, rep->min_percent, &session->header.env, true); /* * Usually "ret" is the last pressed key, and we only * care if the key notifies us to switch data file. */ if (ret != K_SWITCH_INPUT_DATA && ret != K_RELOAD) ret = 0; break; case 2: ret = report__gtk_browse_hists(rep, help); break; default: ret = evlist__tty_browse_hists(evlist, rep, help); break; } free(help); return ret; } static int report__collapse_hists(struct report *rep) { struct perf_session *session = rep->session; struct evlist *evlist = session->evlist; struct ui_progress prog; struct evsel *pos; int ret = 0; /* * The pipe data needs to setup hierarchy hpp formats now, because it * cannot know about evsels in the data before reading the data. The * normal file data saves the event (attribute) info in the header * section, but pipe does not have the luxury. */ if (perf_data__is_pipe(session->data)) { if (perf_hpp__setup_hists_formats(&perf_hpp_list, evlist) < 0) { ui__error("Failed to setup hierarchy output formats\n"); return -1; } } ui_progress__init(&prog, rep->nr_entries, "Merging related events..."); evlist__for_each_entry(rep->session->evlist, pos) { struct hists *hists = evsel__hists(pos); if (pos->core.idx == 0) hists->symbol_filter_str = rep->symbol_filter_str; hists->socket_filter = rep->socket_filter; ret = hists__collapse_resort(hists, &prog); if (ret < 0) break; /* Non-group events are considered as leader */ if (symbol_conf.event_group && !evsel__is_group_leader(pos)) { struct hists *leader_hists = evsel__hists(evsel__leader(pos)); hists__match(leader_hists, hists); hists__link(leader_hists, hists); } } ui_progress__finish(); return ret; } static int hists__resort_cb(struct hist_entry *he, void *arg) { struct report *rep = arg; struct symbol *sym = he->ms.sym; if (rep->symbol_ipc && sym && !sym->annotate2) { struct evsel *evsel = hists_to_evsel(he->hists); symbol__annotate2(&he->ms, evsel, NULL); } return 0; } static void report__output_resort(struct report *rep) { struct ui_progress prog; struct evsel *pos; ui_progress__init(&prog, rep->nr_entries, "Sorting events for output..."); evlist__for_each_entry(rep->session->evlist, pos) { evsel__output_resort_cb(pos, &prog, hists__resort_cb, rep); } ui_progress__finish(); } static int count_sample_event(struct perf_tool *tool __maybe_unused, union perf_event *event __maybe_unused, struct perf_sample *sample __maybe_unused, struct evsel *evsel, struct machine *machine __maybe_unused) { struct hists *hists = evsel__hists(evsel); hists__inc_nr_events(hists); return 0; } static int count_lost_samples_event(struct perf_tool *tool, union perf_event *event, struct perf_sample *sample, struct machine *machine __maybe_unused) { struct report *rep = container_of(tool, struct report, tool); struct evsel *evsel; evsel = evlist__id2evsel(rep->session->evlist, sample->id); if (evsel) { hists__inc_nr_lost_samples(evsel__hists(evsel), event->lost_samples.lost); } return 0; } static int process_attr(struct perf_tool *tool __maybe_unused, union perf_event *event, struct evlist **pevlist); static void stats_setup(struct report *rep) { memset(&rep->tool, 0, sizeof(rep->tool)); rep->tool.attr = process_attr; rep->tool.sample = count_sample_event; rep->tool.lost_samples = count_lost_samples_event; rep->tool.no_warn = true; } static int stats_print(struct report *rep) { struct perf_session *session = rep->session; perf_session__fprintf_nr_events(session, stdout, rep->skip_empty); evlist__fprintf_nr_events(session->evlist, stdout, rep->skip_empty); return 0; } static void tasks_setup(struct report *rep) { memset(&rep->tool, 0, sizeof(rep->tool)); rep->tool.ordered_events = true; if (rep->mmaps_mode) { rep->tool.mmap = perf_event__process_mmap; rep->tool.mmap2 = perf_event__process_mmap2; } rep->tool.attr = process_attr; rep->tool.comm = perf_event__process_comm; rep->tool.exit = perf_event__process_exit; rep->tool.fork = perf_event__process_fork; rep->tool.no_warn = true; } struct maps__fprintf_task_args { int indent; FILE *fp; size_t printed; }; static int maps__fprintf_task_cb(struct map *map, void *data) { struct maps__fprintf_task_args *args = data; const struct dso *dso = map__dso(map); u32 prot = map__prot(map); int ret; ret = fprintf(args->fp, "%*s %" PRIx64 "-%" PRIx64 " %c%c%c%c %08" PRIx64 " %" PRIu64 " %s\n", args->indent, "", map__start(map), map__end(map), prot & PROT_READ ? 'r' : '-', prot & PROT_WRITE ? 'w' : '-', prot & PROT_EXEC ? 'x' : '-', map__flags(map) ? 's' : 'p', map__pgoff(map), dso->id.ino, dso->name); if (ret < 0) return ret; args->printed += ret; return 0; } static size_t maps__fprintf_task(struct maps *maps, int indent, FILE *fp) { struct maps__fprintf_task_args args = { .indent = indent, .fp = fp, .printed = 0, }; maps__for_each_map(maps, maps__fprintf_task_cb, &args); return args.printed; } static int thread_level(struct machine *machine, const struct thread *thread) { struct thread *parent_thread; int res; if (thread__tid(thread) <= 0) return 0; if (thread__ppid(thread) <= 0) return 1; parent_thread = machine__find_thread(machine, -1, thread__ppid(thread)); if (!parent_thread) { pr_err("Missing parent thread of %d\n", thread__tid(thread)); return 0; } res = 1 + thread_level(machine, parent_thread); thread__put(parent_thread); return res; } static void task__print_level(struct machine *machine, struct thread *thread, FILE *fp) { int level = thread_level(machine, thread); int comm_indent = fprintf(fp, " %8d %8d %8d |%*s", thread__pid(thread), thread__tid(thread), thread__ppid(thread), level, ""); fprintf(fp, "%s\n", thread__comm_str(thread)); maps__fprintf_task(thread__maps(thread), comm_indent, fp); } /* * Sort two thread list nodes such that they form a tree. The first node is the * root of the tree, its children are ordered numerically after it. If a child * has children itself then they appear immediately after their parent. For * example, the 4 threads in the order they'd appear in the list: * - init with a TID 1 and a parent of 0 * - systemd with a TID 3000 and a parent of init/1 * - systemd child thread with TID 4000, the parent is 3000 * - NetworkManager is a child of init with a TID of 3500. */ static int task_list_cmp(void *priv, const struct list_head *la, const struct list_head *lb) { struct machine *machine = priv; struct thread_list *task_a = list_entry(la, struct thread_list, list); struct thread_list *task_b = list_entry(lb, struct thread_list, list); struct thread *a = task_a->thread; struct thread *b = task_b->thread; int level_a, level_b, res; /* Same thread? */ if (thread__tid(a) == thread__tid(b)) return 0; /* Compare a and b to root. */ if (thread__tid(a) == 0) return -1; if (thread__tid(b) == 0) return 1; /* If parents match sort by tid. */ if (thread__ppid(a) == thread__ppid(b)) return thread__tid(a) < thread__tid(b) ? -1 : 1; /* * Find a and b such that if they are a child of each other a and b's * tid's match, otherwise a and b have a common parent and distinct * tid's to sort by. First make the depths of the threads match. */ level_a = thread_level(machine, a); level_b = thread_level(machine, b); a = thread__get(a); b = thread__get(b); for (int i = level_a; i > level_b; i--) { struct thread *parent = machine__find_thread(machine, -1, thread__ppid(a)); thread__put(a); if (!parent) { pr_err("Missing parent thread of %d\n", thread__tid(a)); thread__put(b); return -1; } a = parent; } for (int i = level_b; i > level_a; i--) { struct thread *parent = machine__find_thread(machine, -1, thread__ppid(b)); thread__put(b); if (!parent) { pr_err("Missing parent thread of %d\n", thread__tid(b)); thread__put(a); return 1; } b = parent; } /* Search up to a common parent. */ while (thread__ppid(a) != thread__ppid(b)) { struct thread *parent; parent = machine__find_thread(machine, -1, thread__ppid(a)); thread__put(a); if (!parent) pr_err("Missing parent thread of %d\n", thread__tid(a)); a = parent; parent = machine__find_thread(machine, -1, thread__ppid(b)); thread__put(b); if (!parent) pr_err("Missing parent thread of %d\n", thread__tid(b)); b = parent; if (!a || !b) { /* Handle missing parent (unexpected) with some sanity. */ thread__put(a); thread__put(b); return !a && !b ? 0 : (!a ? -1 : 1); } } if (thread__tid(a) == thread__tid(b)) { /* a is a child of b or vice-versa, deeper levels appear later. */ res = level_a < level_b ? -1 : (level_a > level_b ? 1 : 0); } else { /* Sort by tid now the parent is the same. */ res = thread__tid(a) < thread__tid(b) ? -1 : 1; } thread__put(a); thread__put(b); return res; } static int tasks_print(struct report *rep, FILE *fp) { struct machine *machine = &rep->session->machines.host; LIST_HEAD(tasks); int ret; ret = machine__thread_list(machine, &tasks); if (!ret) { struct thread_list *task; list_sort(machine, &tasks, task_list_cmp); fprintf(fp, "# %8s %8s %8s %s\n", "pid", "tid", "ppid", "comm"); list_for_each_entry(task, &tasks, list) task__print_level(machine, task->thread, fp); } thread_list__delete(&tasks); return ret; } static int __cmd_report(struct report *rep) { int ret; struct perf_session *session = rep->session; struct evsel *pos; struct perf_data *data = session->data; signal(SIGINT, sig_handler); if (rep->cpu_list) { ret = perf_session__cpu_bitmap(session, rep->cpu_list, rep->cpu_bitmap); if (ret) { ui__error("failed to set cpu bitmap\n"); return ret; } session->itrace_synth_opts->cpu_bitmap = rep->cpu_bitmap; } if (rep->show_threads) { ret = perf_read_values_init(&rep->show_threads_values); if (ret) return ret; } ret = report__setup_sample_type(rep); if (ret) { /* report__setup_sample_type() already showed error message */ return ret; } if (rep->stats_mode) stats_setup(rep); if (rep->tasks_mode) tasks_setup(rep); ret = perf_session__process_events(session); if (ret) { ui__error("failed to process sample\n"); return ret; } evlist__check_mem_load_aux(session->evlist); if (rep->stats_mode) return stats_print(rep); if (rep->tasks_mode) return tasks_print(rep, stdout); report__warn_kptr_restrict(rep); evlist__for_each_entry(session->evlist, pos) rep->nr_entries += evsel__hists(pos)->nr_entries; if (use_browser == 0) { if (verbose > 3) perf_session__fprintf(session, stdout); if (verbose > 2) perf_session__fprintf_dsos(session, stdout); if (dump_trace) { perf_session__fprintf_nr_events(session, stdout, rep->skip_empty); evlist__fprintf_nr_events(session->evlist, stdout, rep->skip_empty); return 0; } } ret = report__collapse_hists(rep); if (ret) { ui__error("failed to process hist entry\n"); return ret; } if (session_done()) return 0; /* * recalculate number of entries after collapsing since it * might be changed during the collapse phase. */ rep->nr_entries = 0; evlist__for_each_entry(session->evlist, pos) rep->nr_entries += evsel__hists(pos)->nr_entries; if (rep->nr_entries == 0) { ui__error("The %s data has no samples!\n", data->path); return 0; } report__output_resort(rep); if (rep->total_cycles_mode) { int block_hpps[6] = { PERF_HPP_REPORT__BLOCK_TOTAL_CYCLES_PCT, PERF_HPP_REPORT__BLOCK_LBR_CYCLES, PERF_HPP_REPORT__BLOCK_CYCLES_PCT, PERF_HPP_REPORT__BLOCK_AVG_CYCLES, PERF_HPP_REPORT__BLOCK_RANGE, PERF_HPP_REPORT__BLOCK_DSO, }; rep->block_reports = block_info__create_report(session->evlist, rep->total_cycles, block_hpps, 6, &rep->nr_block_reports); if (!rep->block_reports) return -1; } return report__browse_hists(rep); } static int report_parse_callchain_opt(const struct option *opt, const char *arg, int unset) { struct callchain_param *callchain = opt->value; callchain->enabled = !unset; /* * --no-call-graph */ if (unset) { symbol_conf.use_callchain = false; callchain->mode = CHAIN_NONE; return 0; } return parse_callchain_report_opt(arg); } static int parse_time_quantum(const struct option *opt, const char *arg, int unset __maybe_unused) { unsigned long *time_q = opt->value; char *end; *time_q = strtoul(arg, &end, 0); if (end == arg) goto parse_err; if (*time_q == 0) { pr_err("time quantum cannot be 0"); return -1; } end = skip_spaces(end); if (*end == 0) return 0; if (!strcmp(end, "s")) { *time_q *= NSEC_PER_SEC; return 0; } if (!strcmp(end, "ms")) { *time_q *= NSEC_PER_MSEC; return 0; } if (!strcmp(end, "us")) { *time_q *= NSEC_PER_USEC; return 0; } if (!strcmp(end, "ns")) return 0; parse_err: pr_err("Cannot parse time quantum `%s'\n", arg); return -1; } int report_parse_ignore_callees_opt(const struct option *opt __maybe_unused, const char *arg, int unset __maybe_unused) { if (arg) { int err = regcomp(&ignore_callees_regex, arg, REG_EXTENDED); if (err) { char buf[BUFSIZ]; regerror(err, &ignore_callees_regex, buf, sizeof(buf)); pr_err("Invalid --ignore-callees regex: %s\n%s", arg, buf); return -1; } have_ignore_callees = 1; } return 0; } static int parse_branch_mode(const struct option *opt, const char *str __maybe_unused, int unset) { int *branch_mode = opt->value; *branch_mode = !unset; return 0; } static int parse_percent_limit(const struct option *opt, const char *str, int unset __maybe_unused) { struct report *rep = opt->value; double pcnt = strtof(str, NULL); rep->min_percent = pcnt; callchain_param.min_percent = pcnt; return 0; } static int process_attr(struct perf_tool *tool __maybe_unused, union perf_event *event, struct evlist **pevlist) { u64 sample_type; int err; err = perf_event__process_attr(tool, event, pevlist); if (err) return err; /* * Check if we need to enable callchains based * on events sample_type. */ sample_type = evlist__combined_sample_type(*pevlist); callchain_param_setup(sample_type, perf_env__arch((*pevlist)->env)); return 0; } int cmd_report(int argc, const char **argv) { struct perf_session *session; struct itrace_synth_opts itrace_synth_opts = { .set = 0, }; struct stat st; bool has_br_stack = false; int branch_mode = -1; int last_key = 0; bool branch_call_mode = false; #define CALLCHAIN_DEFAULT_OPT "graph,0.5,caller,function,percent" static const char report_callchain_help[] = "Display call graph (stack chain/backtrace):\n\n" CALLCHAIN_REPORT_HELP "\n\t\t\t\tDefault: " CALLCHAIN_DEFAULT_OPT; char callchain_default_opt[] = CALLCHAIN_DEFAULT_OPT; const char * const report_usage[] = { "perf report [<options>]", NULL }; struct report report = { .tool = { .sample = process_sample_event, .mmap = perf_event__process_mmap, .mmap2 = perf_event__process_mmap2, .comm = perf_event__process_comm, .namespaces = perf_event__process_namespaces, .cgroup = perf_event__process_cgroup, .exit = perf_event__process_exit, .fork = perf_event__process_fork, .lost = perf_event__process_lost, .read = process_read_event, .attr = process_attr, #ifdef HAVE_LIBTRACEEVENT .tracing_data = perf_event__process_tracing_data, #endif .build_id = perf_event__process_build_id, .id_index = perf_event__process_id_index, .auxtrace_info = perf_event__process_auxtrace_info, .auxtrace = perf_event__process_auxtrace, .event_update = perf_event__process_event_update, .feature = process_feature_event, .ordered_events = true, .ordering_requires_timestamps = true, }, .max_stack = PERF_MAX_STACK_DEPTH, .pretty_printing_style = "normal", .socket_filter = -1, .skip_empty = true, }; char *sort_order_help = sort_help("sort by key(s):"); char *field_order_help = sort_help("output field(s): overhead period sample "); const char *disassembler_style = NULL, *objdump_path = NULL, *addr2line_path = NULL; const struct option options[] = { OPT_STRING('i', "input", &input_name, "file", "input file name"), OPT_INCR('v', "verbose", &verbose, "be more verbose (show symbol address, etc)"), OPT_BOOLEAN('q', "quiet", &quiet, "Do not show any warnings or messages"), OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, "dump raw trace in ASCII"), OPT_BOOLEAN(0, "stats", &report.stats_mode, "Display event stats"), OPT_BOOLEAN(0, "tasks", &report.tasks_mode, "Display recorded tasks"), OPT_BOOLEAN(0, "mmaps", &report.mmaps_mode, "Display recorded tasks memory maps"), OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, "file", "vmlinux pathname"), OPT_BOOLEAN(0, "ignore-vmlinux", &symbol_conf.ignore_vmlinux, "don't load vmlinux even if found"), OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, "file", "kallsyms pathname"), OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"), OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules, "load module symbols - WARNING: use only with -k and LIVE kernel"), OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples, "Show a column with the number of samples"), OPT_BOOLEAN('T', "threads", &report.show_threads, "Show per-thread event counters"), OPT_STRING(0, "pretty", &report.pretty_printing_style, "key", "pretty printing style key: normal raw"), #ifdef HAVE_SLANG_SUPPORT OPT_BOOLEAN(0, "tui", &report.use_tui, "Use the TUI interface"), #endif #ifdef HAVE_GTK2_SUPPORT OPT_BOOLEAN(0, "gtk", &report.use_gtk, "Use the GTK2 interface"), #endif OPT_BOOLEAN(0, "stdio", &report.use_stdio, "Use the stdio interface"), OPT_BOOLEAN(0, "header", &report.header, "Show data header."), OPT_BOOLEAN(0, "header-only", &report.header_only, "Show only data header."), OPT_STRING('s', "sort", &sort_order, "key[,key2...]", sort_order_help), OPT_STRING('F', "fields", &field_order, "key[,keys...]", field_order_help), OPT_BOOLEAN(0, "show-cpu-utilization", &symbol_conf.show_cpu_utilization, "Show sample percentage for different cpu modes"), OPT_BOOLEAN_FLAG(0, "showcpuutilization", &symbol_conf.show_cpu_utilization, "Show sample percentage for different cpu modes", PARSE_OPT_HIDDEN), OPT_STRING('p', "parent", &parent_pattern, "regex", "regex filter to identify parent, see: '--sort parent'"), OPT_BOOLEAN('x', "exclude-other", &symbol_conf.exclude_other, "Only display entries with parent-match"), OPT_CALLBACK_DEFAULT('g', "call-graph", &callchain_param, "print_type,threshold[,print_limit],order,sort_key[,branch],value", report_callchain_help, &report_parse_callchain_opt, callchain_default_opt), OPT_BOOLEAN(0, "children", &symbol_conf.cumulate_callchain, "Accumulate callchains of children and show total overhead as well. " "Enabled by default, use --no-children to disable."), OPT_INTEGER(0, "max-stack", &report.max_stack, "Set the maximum stack depth when parsing the callchain, " "anything beyond the specified depth will be ignored. " "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)), OPT_BOOLEAN('G', "inverted", &report.inverted_callchain, "alias for inverted call graph"), OPT_CALLBACK(0, "ignore-callees", NULL, "regex", "ignore callees of these functions in call graphs", report_parse_ignore_callees_opt), OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]", "only consider symbols in these dsos"), OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]", "only consider symbols in these comms"), OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]", "only consider symbols in these pids"), OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]", "only consider symbols in these tids"), OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", "only consider these symbols"), OPT_STRING(0, "symbol-filter", &report.symbol_filter_str, "filter", "only show symbols that (partially) match with this filter"), OPT_STRING('w', "column-widths", &symbol_conf.col_width_list_str, "width[,width...]", "don't try to adjust column width, use these fixed values"), OPT_STRING_NOEMPTY('t', "field-separator", &symbol_conf.field_sep, "separator", "separator for columns, no spaces will be added between " "columns '.' is reserved."), OPT_BOOLEAN('U', "hide-unresolved", &symbol_conf.hide_unresolved, "Only display entries resolved to a symbol"), OPT_CALLBACK(0, "symfs", NULL, "directory", "Look for files with symbols relative to this directory", symbol__config_symfs), OPT_STRING('C', "cpu", &report.cpu_list, "cpu", "list of cpus to profile"), OPT_BOOLEAN('I', "show-info", &report.show_full_info, "Display extended information about perf.data file"), OPT_BOOLEAN(0, "source", &annotate_opts.annotate_src, "Interleave source code with assembly code (default)"), OPT_BOOLEAN(0, "asm-raw", &annotate_opts.show_asm_raw, "Display raw encoding of assembly instructions (default)"), OPT_STRING('M', "disassembler-style", &disassembler_style, "disassembler style", "Specify disassembler style (e.g. -M intel for intel syntax)"), OPT_STRING(0, "prefix", &annotate_opts.prefix, "prefix", "Add prefix to source file path names in programs (with --prefix-strip)"), OPT_STRING(0, "prefix-strip", &annotate_opts.prefix_strip, "N", "Strip first N entries of source file path name in programs (with --prefix)"), OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period, "Show a column with the sum of periods"), OPT_BOOLEAN_SET(0, "group", &symbol_conf.event_group, &report.group_set, "Show event group information together"), OPT_INTEGER(0, "group-sort-idx", &symbol_conf.group_sort_idx, "Sort the output by the event at the index n in group. " "If n is invalid, sort by the first event. " "WARNING: should be used on grouped events."), OPT_CALLBACK_NOOPT('b', "branch-stack", &branch_mode, "", "use branch records for per branch histogram filling", parse_branch_mode), OPT_BOOLEAN(0, "branch-history", &branch_call_mode, "add last branch records to call history"), OPT_STRING(0, "objdump", &objdump_path, "path", "objdump binary to use for disassembly and annotations"), OPT_STRING(0, "addr2line", &addr2line_path, "path", "addr2line binary to use for line numbers"), OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle, "Disable symbol demangling"), OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel, "Enable kernel symbol demangling"), OPT_BOOLEAN(0, "mem-mode", &report.mem_mode, "mem access profile"), OPT_INTEGER(0, "samples", &symbol_conf.res_sample, "Number of samples to save per histogram entry for individual browsing"), OPT_CALLBACK(0, "percent-limit", &report, "percent", "Don't show entries under that percent", parse_percent_limit), OPT_CALLBACK(0, "percentage", NULL, "relative|absolute", "how to display percentage of filtered entries", parse_filter_percentage), OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts", "Instruction Tracing options\n" ITRACE_HELP, itrace_parse_synth_opts), OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename, "Show full source file name path for source lines"), OPT_BOOLEAN(0, "show-ref-call-graph", &symbol_conf.show_ref_callgraph, "Show callgraph from reference event"), OPT_BOOLEAN(0, "stitch-lbr", &report.stitch_lbr, "Enable LBR callgraph stitching approach"), OPT_INTEGER(0, "socket-filter", &report.socket_filter, "only show processor socket that match with this filter"), OPT_BOOLEAN(0, "raw-trace", &symbol_conf.raw_trace, "Show raw trace event output (do not use print fmt or plugins)"), OPT_BOOLEAN('H', "hierarchy", &symbol_conf.report_hierarchy, "Show entries in a hierarchy"), OPT_CALLBACK_DEFAULT(0, "stdio-color", NULL, "mode", "'always' (default), 'never' or 'auto' only applicable to --stdio mode", stdio__config_color, "always"), OPT_STRING(0, "time", &report.time_str, "str", "Time span of interest (start,stop)"), OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name, "Show inline function"), OPT_CALLBACK(0, "percent-type", &annotate_opts, "local-period", "Set percent type local/global-period/hits", annotate_parse_percent_type), OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs, "Show times in nanosecs"), OPT_CALLBACK(0, "time-quantum", &symbol_conf.time_quantum, "time (ms|us|ns|s)", "Set time quantum for time sort key (default 100ms)", parse_time_quantum), OPTS_EVSWITCH(&report.evswitch), OPT_BOOLEAN(0, "total-cycles", &report.total_cycles_mode, "Sort all blocks by 'Sampled Cycles%'"), OPT_BOOLEAN(0, "disable-order", &report.disable_order, "Disable raw trace ordering"), OPT_BOOLEAN(0, "skip-empty", &report.skip_empty, "Do not display empty (or dummy) events in the output"), OPT_END() }; struct perf_data data = { .mode = PERF_DATA_MODE_READ, }; int ret = hists__init(); char sort_tmp[128]; if (ret < 0) goto exit; /* * tasks_mode require access to exited threads to list those that are in * the data file. Off-cpu events are synthesized after other events and * reference exited threads. */ symbol_conf.keep_exited_threads = true; annotation_options__init(); ret = perf_config(report__config, &report); if (ret) goto exit; argc = parse_options(argc, argv, options, report_usage, 0); if (argc) { /* * Special case: if there's an argument left then assume that * it's a symbol filter: */ if (argc > 1) usage_with_options(report_usage, options); report.symbol_filter_str = argv[0]; } if (disassembler_style) { annotate_opts.disassembler_style = strdup(disassembler_style); if (!annotate_opts.disassembler_style) return -ENOMEM; } if (objdump_path) { annotate_opts.objdump_path = strdup(objdump_path); if (!annotate_opts.objdump_path) return -ENOMEM; } if (addr2line_path) { symbol_conf.addr2line_path = strdup(addr2line_path); if (!symbol_conf.addr2line_path) return -ENOMEM; } if (annotate_check_args() < 0) { ret = -EINVAL; goto exit; } if (report.mmaps_mode) report.tasks_mode = true; if (dump_trace && report.disable_order) report.tool.ordered_events = false; if (quiet) perf_quiet_option(); ret = symbol__validate_sym_arguments(); if (ret) goto exit; if (report.inverted_callchain) callchain_param.order = ORDER_CALLER; if (symbol_conf.cumulate_callchain && !callchain_param.order_set) callchain_param.order = ORDER_CALLER; if ((itrace_synth_opts.callchain || itrace_synth_opts.add_callchain) && (int)itrace_synth_opts.callchain_sz > report.max_stack) report.max_stack = itrace_synth_opts.callchain_sz; if (!input_name || !strlen(input_name)) { if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode)) input_name = "-"; else input_name = "perf.data"; } data.path = input_name; data.force = symbol_conf.force; repeat: session = perf_session__new(&data, &report.tool); if (IS_ERR(session)) { ret = PTR_ERR(session); goto exit; } ret = evswitch__init(&report.evswitch, session->evlist, stderr); if (ret) goto exit; if (zstd_init(&(session->zstd_data), 0) < 0) pr_warning("Decompression initialization failed. Reported data may be incomplete.\n"); if (report.queue_size) { ordered_events__set_alloc_size(&session->ordered_events, report.queue_size); } session->itrace_synth_opts = &itrace_synth_opts; report.session = session; has_br_stack = perf_header__has_feat(&session->header, HEADER_BRANCH_STACK); if (evlist__combined_sample_type(session->evlist) & PERF_SAMPLE_STACK_USER) has_br_stack = false; setup_forced_leader(&report, session->evlist); if (symbol_conf.group_sort_idx && evlist__nr_groups(session->evlist) == 0) { parse_options_usage(NULL, options, "group-sort-idx", 0); ret = -EINVAL; goto error; } if (itrace_synth_opts.last_branch || itrace_synth_opts.add_last_branch) has_br_stack = true; if (has_br_stack && branch_call_mode) symbol_conf.show_branchflag_count = true; memset(&report.brtype_stat, 0, sizeof(struct branch_type_stat)); /* * Branch mode is a tristate: * -1 means default, so decide based on the file having branch data. * 0/1 means the user chose a mode. */ if (((branch_mode == -1 && has_br_stack) || branch_mode == 1) && !branch_call_mode) { sort__mode = SORT_MODE__BRANCH; symbol_conf.cumulate_callchain = false; } if (branch_call_mode) { callchain_param.key = CCKEY_ADDRESS; callchain_param.branch_callstack = true; symbol_conf.use_callchain = true; callchain_register_param(&callchain_param); if (sort_order == NULL) sort_order = "srcline,symbol,dso"; } if (report.mem_mode) { if (sort__mode == SORT_MODE__BRANCH) { pr_err("branch and mem mode incompatible\n"); goto error; } sort__mode = SORT_MODE__MEMORY; symbol_conf.cumulate_callchain = false; } if (symbol_conf.report_hierarchy) { /* disable incompatible options */ symbol_conf.cumulate_callchain = false; if (field_order) { pr_err("Error: --hierarchy and --fields options cannot be used together\n"); parse_options_usage(report_usage, options, "F", 1); parse_options_usage(NULL, options, "hierarchy", 0); goto error; } perf_hpp_list.need_collapse = true; } if (report.use_stdio) use_browser = 0; #ifdef HAVE_SLANG_SUPPORT else if (report.use_tui) use_browser = 1; #endif #ifdef HAVE_GTK2_SUPPORT else if (report.use_gtk) use_browser = 2; #endif /* Force tty output for header output and per-thread stat. */ if (report.header || report.header_only || report.show_threads) use_browser = 0; if (report.header || report.header_only) report.tool.show_feat_hdr = SHOW_FEAT_HEADER; if (report.show_full_info) report.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO; if (report.stats_mode || report.tasks_mode) use_browser = 0; if (report.stats_mode && report.tasks_mode) { pr_err("Error: --tasks and --mmaps can't be used together with --stats\n"); goto error; } if (report.total_cycles_mode) { if (sort__mode != SORT_MODE__BRANCH) report.total_cycles_mode = false; else sort_order = NULL; } if (sort_order && strstr(sort_order, "type")) { report.data_type = true; annotate_opts.annotate_src = false; #ifndef HAVE_DWARF_GETLOCATIONS_SUPPORT pr_err("Error: Data type profiling is disabled due to missing DWARF support\n"); goto error; #endif } if (strcmp(input_name, "-") != 0) setup_browser(true); else use_browser = 0; if (sort_order && strstr(sort_order, "ipc")) { parse_options_usage(report_usage, options, "s", 1); goto error; } if (sort_order && strstr(sort_order, "symbol")) { if (sort__mode == SORT_MODE__BRANCH) { snprintf(sort_tmp, sizeof(sort_tmp), "%s,%s", sort_order, "ipc_lbr"); report.symbol_ipc = true; } else { snprintf(sort_tmp, sizeof(sort_tmp), "%s,%s", sort_order, "ipc_null"); } sort_order = sort_tmp; } if ((last_key != K_SWITCH_INPUT_DATA && last_key != K_RELOAD) && (setup_sorting(session->evlist) < 0)) { if (sort_order) parse_options_usage(report_usage, options, "s", 1); if (field_order) parse_options_usage(sort_order ? NULL : report_usage, options, "F", 1); goto error; } if ((report.header || report.header_only) && !quiet) { perf_session__fprintf_info(session, stdout, report.show_full_info); if (report.header_only) { if (data.is_pipe) { /* * we need to process first few records * which contains PERF_RECORD_HEADER_FEATURE. */ perf_session__process_events(session); } ret = 0; goto error; } } else if (use_browser == 0 && !quiet && !report.stats_mode && !report.tasks_mode) { fputs("# To display the perf.data header info, please use --header/--header-only options.\n#\n", stdout); } /* * Only in the TUI browser we are doing integrated annotation, * so don't allocate extra space that won't be used in the stdio * implementation. */ if (ui__has_annotation() || report.symbol_ipc || report.data_type || report.total_cycles_mode) { ret = symbol__annotation_init(); if (ret < 0) goto error; /* * For searching by name on the "Browse map details". * providing it only in verbose mode not to bloat too * much struct symbol. */ if (verbose > 0) { /* * XXX: Need to provide a less kludgy way to ask for * more space per symbol, the u32 is for the index on * the ui browser. * See symbol__browser_index. */ symbol_conf.priv_size += sizeof(u32); } annotation_config__init(); } if (symbol__init(&session->header.env) < 0) goto error; if (report.time_str) { ret = perf_time__parse_for_ranges(report.time_str, session, &report.ptime_range, &report.range_size, &report.range_num); if (ret < 0) goto error; itrace_synth_opts__set_time_range(&itrace_synth_opts, report.ptime_range, report.range_num); } #ifdef HAVE_LIBTRACEEVENT if (session->tevent.pevent && tep_set_function_resolver(session->tevent.pevent, machine__resolve_kernel_addr, &session->machines.host) < 0) { pr_err("%s: failed to set libtraceevent function resolver\n", __func__); return -1; } #endif sort__setup_elide(stdout); ret = __cmd_report(&report); if (ret == K_SWITCH_INPUT_DATA || ret == K_RELOAD) { perf_session__delete(session); last_key = K_SWITCH_INPUT_DATA; goto repeat; } else ret = 0; if (!use_browser && (verbose > 2 || debug_kmaps)) perf_session__dump_kmaps(session); error: if (report.ptime_range) { itrace_synth_opts__clear_time_range(&itrace_synth_opts); zfree(&report.ptime_range); } if (report.block_reports) { block_info__free_report(report.block_reports, report.nr_block_reports); report.block_reports = NULL; } zstd_fini(&(session->zstd_data)); perf_session__delete(session); exit: annotation_options__exit(); free(sort_order_help); free(field_order_help); return ret; }
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