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-rw-r--r--tools/perf/builtin-report.c1700
1 files changed, 1700 insertions, 0 deletions
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
new file mode 100644
index 000000000..b6d77d3da
--- /dev/null
+++ b/tools/perf/builtin-report.c
@@ -0,0 +1,1700 @@
+// 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/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>
+
+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;
+ 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;
+ 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);
+ return 0;
+ }
+
+ if (!strcmp(var, "report.skip-empty")) {
+ rep->skip_empty = perf_config_bool(var, 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 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;
+
+ 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;
+
+ if (machine__resolve(machine, &al, sample) < 0) {
+ pr_debug("problem processing %d event, skipping it.\n",
+ event->header.type);
+ return -1;
+ }
+
+ if (rep->stitch_lbr)
+ al.thread->lbr_stitch_enable = 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)
+ al.map->dso->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__put(&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,
+ &rep->annotation_opts);
+ 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, 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 ||
+ (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 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, &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 != 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 ui_progress prog;
+ struct 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->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,
+ &annotation__default_options, 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 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 map *map;
+
+ maps__for_each_entry(maps, map) {
+ 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->dso->id.ino, map->dso->name);
+ }
+
+ return printed;
+}
+
+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));
+
+ maps__fprintf_task(thread->maps, 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_cached(&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 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,
+ .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,
+ .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 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", &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_STRING(0, "prefix", &report.annotation_opts.prefix, "prefix",
+ "Add prefix to source file path names in programs (with --prefix-strip)"),
+ OPT_STRING(0, "prefix-strip", &report.annotation_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", &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_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(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_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;
+
+ 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 (annotate_check_args(&report.annotation_opts) < 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 && !session->evlist->core.nr_groups) {
+ 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 (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.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);
+ symbol_conf.sort_by_name = true;
+ }
+ annotation_config__init(&report.annotation_opts);
+ }
+
+ 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);
+ }
+
+ 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 || ret == K_RELOAD) {
+ perf_session__delete(session);
+ last_key = K_SWITCH_INPUT_DATA;
+ goto repeat;
+ } else
+ ret = 0;
+
+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:
+ free(sort_order_help);
+ free(field_order_help);
+ return ret;
+}