| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Arnaldo Carvalho de Melo | 1863 | 27.27% | 104 | 33.12% |
| Namhyung Kim | 1277 | 18.69% | 58 | 18.47% |
| Jiri Olsa | 1266 | 18.53% | 25 | 7.96% |
| Jin Yao | 530 | 7.76% | 11 | 3.50% |
| Stéphane Eranian | 241 | 3.53% | 4 | 1.27% |
| Ingo Molnar | 170 | 2.49% | 18 | 5.73% |
| Adrian Hunter | 162 | 2.37% | 8 | 2.55% |
| Andi Kleen | 130 | 1.90% | 7 | 2.23% |
| David Ahern | 130 | 1.90% | 6 | 1.91% |
| Kan Liang | 121 | 1.77% | 6 | 1.91% |
| Greg Price | 102 | 1.49% | 1 | 0.32% |
| Frédéric Weisbecker | 99 | 1.45% | 8 | 2.55% |
| Brice Goglin | 82 | 1.20% | 2 | 0.64% |
| Peter Zijlstra | 71 | 1.04% | 12 | 3.82% |
| Anton Blanchard | 65 | 0.95% | 2 | 0.64% |
| Li Zhang | 60 | 0.88% | 1 | 0.32% |
| Robert Richter | 44 | 0.64% | 1 | 0.32% |
| Wang YanQing | 40 | 0.59% | 1 | 0.32% |
| Roberto Agostino Vitillo | 38 | 0.56% | 1 | 0.32% |
| David Carrillo-Cisneros | 36 | 0.53% | 2 | 0.64% |
| Seokho Song | 32 | 0.47% | 1 | 0.32% |
| Taeung Song | 31 | 0.45% | 4 | 1.27% |
| Waiman Long | 26 | 0.38% | 1 | 0.32% |
| Sam Liao | 23 | 0.34% | 1 | 0.32% |
| Feng Tang | 23 | 0.34% | 1 | 0.32% |
| Ashay Rane | 22 | 0.32% | 1 | 0.32% |
| Tom Zanussi | 20 | 0.29% | 1 | 0.32% |
| Pekka J Enberg | 16 | 0.23% | 1 | 0.32% |
| Avi Kivity | 14 | 0.20% | 1 | 0.32% |
| Maciek Borzecki | 14 | 0.20% | 1 | 0.32% |
| Yanmin Zhang | 14 | 0.20% | 1 | 0.32% |
| Mike Galbraith | 11 | 0.16% | 1 | 0.32% |
| He Kuang | 8 | 0.12% | 3 | 0.96% |
| Irina Tirdea | 7 | 0.10% | 2 | 0.64% |
| Eric B Munson | 7 | 0.10% | 1 | 0.32% |
| Wang Nan | 6 | 0.09% | 3 | 0.96% |
| John Kacur | 6 | 0.09% | 2 | 0.64% |
| Naohiro Aota | 6 | 0.09% | 1 | 0.32% |
| Hari Bathini | 5 | 0.07% | 1 | 0.32% |
| Yunlong Song | 3 | 0.04% | 1 | 0.32% |
| Don Zickus | 3 | 0.04% | 1 | 0.32% |
| Ian Munsie | 3 | 0.04% | 1 | 0.32% |
| Greg Kroah-Hartman | 1 | 0.01% | 1 | 0.32% |
| Josh Poimboeuf | 1 | 0.01% | 1 | 0.32% |
| Ravi Bangoria | 1 | 0.01% | 1 | 0.32% |
| Tzvetomir Stoyanov (VMware) | 1 | 0.01% | 1 | 0.32% |
| OGAWA Hirofumi | 1 | 0.01% | 1 | 0.32% |
| Total | 6832 | 314 |
// 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/util.h" #include "util/config.h" #include "util/annotate.h" #include "util/color.h" #include <linux/list.h> #include <linux/rbtree.h> #include <linux/err.h> #include "util/symbol.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/header.h" #include "util/session.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/branch.h" #include <dlfcn.h> #include <errno.h> #include <inttypes.h> #include <regex.h> #include <signal.h> #include <linux/bitmap.h> #include <linux/stringify.h> #include <sys/types.h> #include <sys/stat.h> #include <unistd.h> #include <linux/mman.h> struct report { struct perf_tool tool; struct perf_session *session; bool use_tui, use_gtk, 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; int max_stack; struct perf_read_values show_threads_values; struct annotation_options annotation_opts; 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; int socket_filter; DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); struct branch_type_stat brtype_stat; bool symbol_ipc; }; 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); return 0; } 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 perf_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) return 0; hist__account_cycles(sample->branch_stack, al, sample, rep->nonany_branch_mode); 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; struct perf_sample *sample = iter->sample; struct perf_evsel *evsel = iter->evsel; int err; if (!ui__has_annotation() && !rep->symbol_ipc) return 0; hist__account_cycles(sample->branch_stack, al, sample, rep->nonany_branch_mode); 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); branch_type_count(&rep->brtype_stat, &bi->flags, bi->from.addr, bi->to.addr); out: return err; } static void setup_forced_leader(struct report *report, struct perf_evlist *evlist) { if (report->group_set) perf_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: %" PRIu64 "\n", event->feat.feat_id); return -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 perf_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 (machine__resolve(machine, &al, sample) < 0) { pr_debug("problem processing %d event, skipping it.\n", event->header.type); return -1; } 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) al.map->dso->hit = 1; 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__put(&al); return ret; } static int process_read_event(struct perf_tool *tool, union perf_event *event, struct perf_sample *sample __maybe_unused, struct perf_evsel *evsel, struct machine *machine __maybe_unused) { struct report *rep = container_of(tool, struct report, tool); if (rep->show_threads) { const char *name = evsel ? perf_evsel__name(evsel) : "unknown"; int err = perf_read_values_add_value(&rep->show_threads_values, event->read.pid, event->read.tid, evsel->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 = perf_evlist__combined_sample_type(session->evlist); bool is_pipe = perf_data__is_pipe(session->data); if (session->itrace_synth_opts->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) 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 (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) { if ((sample_type & PERF_SAMPLE_REGS_USER) && (sample_type & PERF_SAMPLE_STACK_USER)) { callchain_param.record_mode = CALLCHAIN_DWARF; dwarf_callchain_users = true; } else if (sample_type & PERF_SAMPLE_BRANCH_STACK) callchain_param.record_mode = CALLCHAIN_LBR; else callchain_param.record_mode = CALLCHAIN_FP; } /* ??? handle more cases than just ANY? */ if (!(perf_evlist__combined_branch_type(session->evlist) & PERF_SAMPLE_BRANCH_ANY)) rep->nonany_branch_mode = true; 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_events[PERF_RECORD_SAMPLE]; u64 nr_events = hists->stats.total_period; struct perf_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 (perf_evsel__is_group_event(evsel)) { struct perf_evsel *pos; perf_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_events[PERF_RECORD_SAMPLE]; 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->nr_members > 1 ? "s" : "", evname); } if (rep->time_str) ret += fprintf(fp, " (time slices: %s)", rep->time_str); if (symbol_conf.show_ref_callgraph && 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 perf_evlist__tty_browse_hists(struct perf_evlist *evlist, struct report *rep, const char *help) { struct perf_evsel *pos; 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 = perf_evsel__name(pos); if (symbol_conf.event_group && !perf_evsel__is_group_leader(pos)) continue; hists__fprintf_nr_sample_events(hists, rep, evname, stdout); 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 (perf_evlist__exclude_kernel(rep->session->evlist)) return; if (kernel_map == NULL || (kernel_map->dso->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 perf_evlist *evlist, const char *help, struct hist_browser_timer *timer, float min_pcnt); hist_browser = dlsym(perf_gtk_handle, "perf_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 perf_evlist *evlist = session->evlist; const char *help = perf_tip(system_path(TIPDIR)); if (help == NULL) { /* fallback for people who don't install perf ;-) */ help = perf_tip(DOCDIR); if (help == NULL) help = "Cannot load tips.txt file, please install perf!"; } switch (use_browser) { case 1: ret = perf_evlist__tui_browse_hists(evlist, help, NULL, rep->min_percent, &session->header.env, true, &rep->annotation_opts); /* * 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 = 0; break; case 2: ret = report__gtk_browse_hists(rep, help); break; default: ret = perf_evlist__tty_browse_hists(evlist, rep, help); break; } return ret; } static int report__collapse_hists(struct report *rep) { struct ui_progress prog; struct perf_evsel *pos; int ret = 0; 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->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 && !perf_evsel__is_group_leader(pos)) { struct hists *leader_hists = evsel__hists(pos->leader); hists__match(leader_hists, hists); hists__link(leader_hists, hists); } } ui_progress__finish(); return ret; } static void report__output_resort(struct report *rep) { struct ui_progress prog; struct perf_evsel *pos; ui_progress__init(&prog, rep->nr_entries, "Sorting events for output..."); evlist__for_each_entry(rep->session->evlist, pos) perf_evsel__output_resort(pos, &prog); ui_progress__finish(); } static void stats_setup(struct report *rep) { memset(&rep->tool, 0, sizeof(rep->tool)); 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); 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.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 task { struct thread *thread; struct list_head list; struct list_head children; }; static struct task *tasks_list(struct task *task, struct machine *machine) { struct thread *parent_thread, *thread = task->thread; struct task *parent_task; /* Already listed. */ if (!list_empty(&task->list)) return NULL; /* Last one in the chain. */ if (thread->ppid == -1) return task; parent_thread = machine__find_thread(machine, -1, thread->ppid); if (!parent_thread) return ERR_PTR(-ENOENT); parent_task = thread__priv(parent_thread); list_add_tail(&task->list, &parent_task->children); return tasks_list(parent_task, machine); } static size_t maps__fprintf_task(struct maps *maps, int indent, FILE *fp) { size_t printed = 0; struct rb_node *nd; for (nd = rb_first(&maps->entries); nd; nd = rb_next(nd)) { struct map *map = rb_entry(nd, struct map, rb_node); printed += fprintf(fp, "%*s %" PRIx64 "-%" PRIx64 " %c%c%c%c %08" PRIx64 " %" PRIu64 " %s\n", indent, "", map->start, map->end, map->prot & PROT_READ ? 'r' : '-', map->prot & PROT_WRITE ? 'w' : '-', map->prot & PROT_EXEC ? 'x' : '-', map->flags & MAP_SHARED ? 's' : 'p', map->pgoff, map->ino, map->dso->name); } return printed; } static int map_groups__fprintf_task(struct map_groups *mg, int indent, FILE *fp) { return maps__fprintf_task(&mg->maps, indent, fp); } static void task__print_level(struct task *task, FILE *fp, int level) { struct thread *thread = task->thread; struct task *child; int comm_indent = fprintf(fp, " %8d %8d %8d |%*s", thread->pid_, thread->tid, thread->ppid, level, ""); fprintf(fp, "%s\n", thread__comm_str(thread)); map_groups__fprintf_task(thread->mg, comm_indent, fp); if (!list_empty(&task->children)) { list_for_each_entry(child, &task->children, list) task__print_level(child, fp, level + 1); } } static int tasks_print(struct report *rep, FILE *fp) { struct perf_session *session = rep->session; struct machine *machine = &session->machines.host; struct task *tasks, *task; unsigned int nr = 0, itask = 0, i; struct rb_node *nd; LIST_HEAD(list); /* * No locking needed while accessing machine->threads, * because --tasks is single threaded command. */ /* Count all the threads. */ for (i = 0; i < THREADS__TABLE_SIZE; i++) nr += machine->threads[i].nr; tasks = malloc(sizeof(*tasks) * nr); if (!tasks) return -ENOMEM; for (i = 0; i < THREADS__TABLE_SIZE; i++) { struct threads *threads = &machine->threads[i]; for (nd = rb_first(&threads->entries); nd; nd = rb_next(nd)) { task = tasks + itask++; task->thread = rb_entry(nd, struct thread, rb_node); INIT_LIST_HEAD(&task->children); INIT_LIST_HEAD(&task->list); thread__set_priv(task->thread, task); } } /* * Iterate every task down to the unprocessed parent * and link all in task children list. Task with no * parent is added into 'list'. */ for (itask = 0; itask < nr; itask++) { task = tasks + itask; if (!list_empty(&task->list)) continue; task = tasks_list(task, machine); if (IS_ERR(task)) { pr_err("Error: failed to process tasks\n"); free(tasks); return PTR_ERR(task); } if (task) list_add_tail(&task->list, &list); } fprintf(fp, "# %8s %8s %8s %s\n", "pid", "tid", "ppid", "comm"); list_for_each_entry(task, &list, list) task__print_level(task, fp, 0); free(tasks); return 0; } static int __cmd_report(struct report *rep) { int ret; struct perf_session *session = rep->session; struct perf_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; } 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); perf_evlist__fprintf_nr_events(session->evlist, stdout); 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 file has no samples!\n", data->file.path); return 0; } report__output_resort(rep); 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); } 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; } 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; bool branch_call_mode = false; #define CALLCHAIN_DEFAULT_OPT "graph,0.5,caller,function,percent" 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, .exit = perf_event__process_exit, .fork = perf_event__process_fork, .lost = perf_event__process_lost, .read = process_read_event, .attr = perf_event__process_attr, .tracing_data = perf_event__process_tracing_data, .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, .annotation_opts = annotation__default_options, }; 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 message"), 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"), OPT_BOOLEAN(0, "tui", &report.use_tui, "Use the TUI interface"), OPT_BOOLEAN(0, "gtk", &report.use_gtk, "Use the GTK2 interface"), 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 by key(s): pid, comm, dso, symbol, parent, cpu, srcline, ..." " Please refer the man page for the complete list."), OPT_STRING('F', "fields", &field_order, "key[,keys...]", "output field(s): overhead, period, sample plus all of sort keys"), 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"), 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", &report.annotation_opts.annotate_src, "Interleave source code with assembly code (default)"), OPT_BOOLEAN(0, "asm-raw", &report.annotation_opts.show_asm_raw, "Display raw encoding of assembly instructions (default)"), OPT_STRING('M', "disassembler-style", &report.annotation_opts.disassembler_style, "disassembler style", "Specify disassembler style (e.g. -M intel for intel syntax)"), 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_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", &report.annotation_opts.objdump_path, "path", "objdump binary to use for disassembly and annotations"), 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_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_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(0, "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", &report.annotation_opts, "local-period", "Set percent type local/global-period/hits", annotate_parse_percent_type), OPT_END() }; struct perf_data data = { .mode = PERF_DATA_MODE_READ, }; int ret = hists__init(); char sort_tmp[128]; if (ret < 0) return ret; ret = perf_config(report__config, &report); if (ret) return ret; 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 (report.mmaps_mode) report.tasks_mode = true; if (quiet) perf_quiet_option(); if (symbol_conf.vmlinux_name && access(symbol_conf.vmlinux_name, R_OK)) { pr_err("Invalid file: %s\n", symbol_conf.vmlinux_name); return -EINVAL; } if (symbol_conf.kallsyms_name && access(symbol_conf.kallsyms_name, R_OK)) { pr_err("Invalid file: %s\n", symbol_conf.kallsyms_name); return -EINVAL; } 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 && (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.file.path = input_name; data.force = symbol_conf.force; repeat: session = perf_session__new(&data, false, &report.tool); if (session == NULL) return -1; 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); setup_forced_leader(&report, session->evlist); if (itrace_synth_opts.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 = 1; 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; else if (report.use_tui) use_browser = 1; else if (report.use_gtk) use_browser = 2; /* 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 (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 (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) { 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) { 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); symbol_conf.sort_by_name = true; } annotation_config__init(); } if (symbol__init(&session->header.env) < 0) goto error; report.ptime_range = perf_time__range_alloc(report.time_str, &report.range_size); if (!report.ptime_range) { ret = -ENOMEM; goto error; } if (perf_time__parse_str(report.ptime_range, report.time_str) != 0) { if (session->evlist->first_sample_time == 0 && session->evlist->last_sample_time == 0) { pr_err("HINT: no first/last sample time found in perf data.\n" "Please use latest perf binary to execute 'perf record'\n" "(if '--buildid-all' is enabled, please set '--timestamp-boundary').\n"); ret = -EINVAL; goto error; } report.range_num = perf_time__percent_parse_str( report.ptime_range, report.range_size, report.time_str, session->evlist->first_sample_time, session->evlist->last_sample_time); if (report.range_num < 0) { pr_err("Invalid time string\n"); ret = -EINVAL; goto error; } } else { report.range_num = 1; } 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; } sort__setup_elide(stdout); ret = __cmd_report(&report); if (ret == K_SWITCH_INPUT_DATA) { perf_session__delete(session); goto repeat; } else ret = 0; error: zfree(&report.ptime_range); perf_session__delete(session); return ret; }
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