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1655 lines
46 KiB
1655 lines
46 KiB
// SPDX-License-Identifier: GPL-2.0 |
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/* |
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* builtin-report.c |
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* |
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* Builtin report command: Analyze the perf.data input file, |
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* look up and read DSOs and symbol information and display |
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* a histogram of results, along various sorting keys. |
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*/ |
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#include "builtin.h" |
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|
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#include "util/config.h" |
|
|
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#include "util/annotate.h" |
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#include "util/color.h" |
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#include "util/dso.h" |
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#include <linux/list.h> |
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#include <linux/rbtree.h> |
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#include <linux/err.h> |
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#include <linux/zalloc.h> |
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#include "util/map.h" |
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#include "util/symbol.h" |
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#include "util/map_symbol.h" |
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#include "util/mem-events.h" |
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#include "util/branch.h" |
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#include "util/callchain.h" |
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#include "util/values.h" |
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|
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#include "perf.h" |
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#include "util/debug.h" |
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#include "util/evlist.h" |
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#include "util/evsel.h" |
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#include "util/evswitch.h" |
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#include "util/header.h" |
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#include "util/session.h" |
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#include "util/srcline.h" |
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#include "util/tool.h" |
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|
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#include <subcmd/parse-options.h> |
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#include <subcmd/exec-cmd.h> |
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#include "util/parse-events.h" |
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|
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#include "util/thread.h" |
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#include "util/sort.h" |
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#include "util/hist.h" |
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#include "util/data.h" |
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#include "arch/common.h" |
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#include "util/time-utils.h" |
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#include "util/auxtrace.h" |
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#include "util/units.h" |
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#include "util/util.h" // perf_tip() |
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#include "ui/ui.h" |
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#include "ui/progress.h" |
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#include "util/block-info.h" |
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|
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#include <dlfcn.h> |
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#include <errno.h> |
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#include <inttypes.h> |
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#include <regex.h> |
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#include <linux/ctype.h> |
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#include <signal.h> |
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#include <linux/bitmap.h> |
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#include <linux/string.h> |
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#include <linux/stringify.h> |
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#include <linux/time64.h> |
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#include <sys/types.h> |
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#include <sys/stat.h> |
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#include <unistd.h> |
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#include <linux/mman.h> |
|
|
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struct report { |
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struct perf_tool tool; |
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struct perf_session *session; |
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struct evswitch evswitch; |
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bool use_tui, use_gtk, use_stdio; |
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bool show_full_info; |
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bool show_threads; |
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bool inverted_callchain; |
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bool mem_mode; |
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bool stats_mode; |
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bool tasks_mode; |
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bool mmaps_mode; |
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bool header; |
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bool header_only; |
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bool nonany_branch_mode; |
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bool group_set; |
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bool stitch_lbr; |
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bool disable_order; |
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bool skip_empty; |
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int max_stack; |
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struct perf_read_values show_threads_values; |
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struct annotation_options annotation_opts; |
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const char *pretty_printing_style; |
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const char *cpu_list; |
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const char *symbol_filter_str; |
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const char *time_str; |
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struct perf_time_interval *ptime_range; |
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int range_size; |
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int range_num; |
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float min_percent; |
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u64 nr_entries; |
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u64 queue_size; |
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u64 total_cycles; |
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int socket_filter; |
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DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); |
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struct branch_type_stat brtype_stat; |
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bool symbol_ipc; |
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bool total_cycles_mode; |
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struct block_report *block_reports; |
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int nr_block_reports; |
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}; |
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|
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static int report__config(const char *var, const char *value, void *cb) |
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{ |
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struct report *rep = cb; |
|
|
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if (!strcmp(var, "report.group")) { |
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symbol_conf.event_group = perf_config_bool(var, value); |
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return 0; |
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} |
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if (!strcmp(var, "report.percent-limit")) { |
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double pcnt = strtof(value, NULL); |
|
|
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rep->min_percent = pcnt; |
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callchain_param.min_percent = pcnt; |
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return 0; |
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} |
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if (!strcmp(var, "report.children")) { |
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symbol_conf.cumulate_callchain = perf_config_bool(var, value); |
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return 0; |
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} |
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if (!strcmp(var, "report.queue-size")) |
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return perf_config_u64(&rep->queue_size, var, value); |
|
|
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if (!strcmp(var, "report.sort_order")) { |
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default_sort_order = strdup(value); |
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return 0; |
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} |
|
|
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if (!strcmp(var, "report.skip-empty")) { |
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rep->skip_empty = perf_config_bool(var, value); |
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return 0; |
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} |
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|
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return 0; |
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} |
|
|
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static int hist_iter__report_callback(struct hist_entry_iter *iter, |
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struct addr_location *al, bool single, |
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void *arg) |
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{ |
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int err = 0; |
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struct report *rep = arg; |
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struct hist_entry *he = iter->he; |
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struct evsel *evsel = iter->evsel; |
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struct perf_sample *sample = iter->sample; |
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struct mem_info *mi; |
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struct branch_info *bi; |
|
|
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if (!ui__has_annotation() && !rep->symbol_ipc) |
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return 0; |
|
|
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if (sort__mode == SORT_MODE__BRANCH) { |
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bi = he->branch_info; |
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err = addr_map_symbol__inc_samples(&bi->from, sample, evsel); |
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if (err) |
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goto out; |
|
|
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err = addr_map_symbol__inc_samples(&bi->to, sample, evsel); |
|
|
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} else if (rep->mem_mode) { |
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mi = he->mem_info; |
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err = addr_map_symbol__inc_samples(&mi->daddr, sample, evsel); |
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if (err) |
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goto out; |
|
|
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err = hist_entry__inc_addr_samples(he, sample, evsel, al->addr); |
|
|
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} else if (symbol_conf.cumulate_callchain) { |
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if (single) |
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err = hist_entry__inc_addr_samples(he, sample, evsel, al->addr); |
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} else { |
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err = hist_entry__inc_addr_samples(he, sample, evsel, al->addr); |
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} |
|
|
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out: |
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return err; |
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} |
|
|
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static int hist_iter__branch_callback(struct hist_entry_iter *iter, |
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struct addr_location *al __maybe_unused, |
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bool single __maybe_unused, |
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void *arg) |
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{ |
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struct hist_entry *he = iter->he; |
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struct report *rep = arg; |
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struct branch_info *bi = he->branch_info; |
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struct perf_sample *sample = iter->sample; |
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struct evsel *evsel = iter->evsel; |
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int err; |
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|
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branch_type_count(&rep->brtype_stat, &bi->flags, |
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bi->from.addr, bi->to.addr); |
|
|
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if (!ui__has_annotation() && !rep->symbol_ipc) |
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return 0; |
|
|
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err = addr_map_symbol__inc_samples(&bi->from, sample, evsel); |
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if (err) |
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goto out; |
|
|
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err = addr_map_symbol__inc_samples(&bi->to, sample, evsel); |
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|
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out: |
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return err; |
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} |
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|
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static void setup_forced_leader(struct report *report, |
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struct evlist *evlist) |
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{ |
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if (report->group_set) |
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evlist__force_leader(evlist); |
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} |
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|
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static int process_feature_event(struct perf_session *session, |
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union perf_event *event) |
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{ |
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struct report *rep = container_of(session->tool, struct report, tool); |
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|
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if (event->feat.feat_id < HEADER_LAST_FEATURE) |
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return perf_event__process_feature(session, event); |
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|
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if (event->feat.feat_id != HEADER_LAST_FEATURE) { |
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pr_err("failed: wrong feature ID: %" PRI_lu64 "\n", |
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event->feat.feat_id); |
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return -1; |
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} else if (rep->header_only) { |
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session_done = 1; |
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} |
|
|
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/* |
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* (feat_id = HEADER_LAST_FEATURE) is the end marker which |
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* means all features are received, now we can force the |
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* group if needed. |
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*/ |
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setup_forced_leader(rep, session->evlist); |
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return 0; |
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} |
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|
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static int process_sample_event(struct perf_tool *tool, |
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union perf_event *event, |
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struct perf_sample *sample, |
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struct evsel *evsel, |
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struct machine *machine) |
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{ |
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struct report *rep = container_of(tool, struct report, tool); |
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struct addr_location al; |
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struct hist_entry_iter iter = { |
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.evsel = evsel, |
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.sample = sample, |
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.hide_unresolved = symbol_conf.hide_unresolved, |
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.add_entry_cb = hist_iter__report_callback, |
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}; |
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int ret = 0; |
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|
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if (perf_time__ranges_skip_sample(rep->ptime_range, rep->range_num, |
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sample->time)) { |
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return 0; |
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} |
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|
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if (evswitch__discard(&rep->evswitch, evsel)) |
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return 0; |
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|
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if (machine__resolve(machine, &al, sample) < 0) { |
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pr_debug("problem processing %d event, skipping it.\n", |
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event->header.type); |
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return -1; |
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} |
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|
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if (rep->stitch_lbr) |
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al.thread->lbr_stitch_enable = true; |
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|
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if (symbol_conf.hide_unresolved && al.sym == NULL) |
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goto out_put; |
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|
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if (rep->cpu_list && !test_bit(sample->cpu, rep->cpu_bitmap)) |
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goto out_put; |
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|
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if (sort__mode == SORT_MODE__BRANCH) { |
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/* |
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* A non-synthesized event might not have a branch stack if |
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* branch stacks have been synthesized (using itrace options). |
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*/ |
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if (!sample->branch_stack) |
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goto out_put; |
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|
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iter.add_entry_cb = hist_iter__branch_callback; |
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iter.ops = &hist_iter_branch; |
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} else if (rep->mem_mode) { |
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iter.ops = &hist_iter_mem; |
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} else if (symbol_conf.cumulate_callchain) { |
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iter.ops = &hist_iter_cumulative; |
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} else { |
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iter.ops = &hist_iter_normal; |
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} |
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|
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if (al.map != NULL) |
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al.map->dso->hit = 1; |
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|
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if (ui__has_annotation() || rep->symbol_ipc || rep->total_cycles_mode) { |
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hist__account_cycles(sample->branch_stack, &al, sample, |
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rep->nonany_branch_mode, |
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&rep->total_cycles); |
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} |
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|
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ret = hist_entry_iter__add(&iter, &al, rep->max_stack, rep); |
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if (ret < 0) |
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pr_debug("problem adding hist entry, skipping event\n"); |
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out_put: |
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addr_location__put(&al); |
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return ret; |
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} |
|
|
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static int process_read_event(struct perf_tool *tool, |
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union perf_event *event, |
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struct perf_sample *sample __maybe_unused, |
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struct evsel *evsel, |
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struct machine *machine __maybe_unused) |
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{ |
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struct report *rep = container_of(tool, struct report, tool); |
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|
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if (rep->show_threads) { |
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const char *name = evsel__name(evsel); |
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int err = perf_read_values_add_value(&rep->show_threads_values, |
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event->read.pid, event->read.tid, |
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evsel->core.idx, |
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name, |
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event->read.value); |
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|
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if (err) |
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return err; |
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} |
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|
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return 0; |
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} |
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|
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/* For pipe mode, sample_type is not currently set */ |
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static int report__setup_sample_type(struct report *rep) |
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{ |
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struct perf_session *session = rep->session; |
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u64 sample_type = evlist__combined_sample_type(session->evlist); |
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bool is_pipe = perf_data__is_pipe(session->data); |
|
|
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if (session->itrace_synth_opts->callchain || |
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session->itrace_synth_opts->add_callchain || |
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(!is_pipe && |
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perf_header__has_feat(&session->header, HEADER_AUXTRACE) && |
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!session->itrace_synth_opts->set)) |
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sample_type |= PERF_SAMPLE_CALLCHAIN; |
|
|
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if (session->itrace_synth_opts->last_branch || |
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session->itrace_synth_opts->add_last_branch) |
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sample_type |= PERF_SAMPLE_BRANCH_STACK; |
|
|
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if (!is_pipe && !(sample_type & PERF_SAMPLE_CALLCHAIN)) { |
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if (perf_hpp_list.parent) { |
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ui__error("Selected --sort parent, but no " |
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"callchain data. Did you call " |
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"'perf record' without -g?\n"); |
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return -EINVAL; |
|
} |
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if (symbol_conf.use_callchain && |
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!symbol_conf.show_branchflag_count) { |
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ui__error("Selected -g or --branch-history.\n" |
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"But no callchain or branch data.\n" |
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"Did you call 'perf record' without -g or -b?\n"); |
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return -1; |
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} |
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} else if (!callchain_param.enabled && |
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callchain_param.mode != CHAIN_NONE && |
|
!symbol_conf.use_callchain) { |
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symbol_conf.use_callchain = true; |
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if (callchain_register_param(&callchain_param) < 0) { |
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ui__error("Can't register callchain params.\n"); |
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return -EINVAL; |
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} |
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} |
|
|
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if (symbol_conf.cumulate_callchain) { |
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/* Silently ignore if callchain is missing */ |
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if (!(sample_type & PERF_SAMPLE_CALLCHAIN)) { |
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symbol_conf.cumulate_callchain = false; |
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perf_hpp__cancel_cumulate(); |
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} |
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} |
|
|
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if (sort__mode == SORT_MODE__BRANCH) { |
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if (!is_pipe && |
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!(sample_type & PERF_SAMPLE_BRANCH_STACK)) { |
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ui__error("Selected -b but no branch data. " |
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"Did you call perf record without -b?\n"); |
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return -1; |
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} |
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} |
|
|
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if (sort__mode == SORT_MODE__MEMORY) { |
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if (!is_pipe && !(sample_type & PERF_SAMPLE_DATA_SRC)) { |
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ui__error("Selected --mem-mode but no mem data. " |
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"Did you call perf record without -d?\n"); |
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return -1; |
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} |
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} |
|
|
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callchain_param_setup(sample_type, perf_env__arch(&rep->session->header.env)); |
|
|
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if (rep->stitch_lbr && (callchain_param.record_mode != CALLCHAIN_LBR)) { |
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ui__warning("Can't find LBR callchain. Switch off --stitch-lbr.\n" |
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"Please apply --call-graph lbr when recording.\n"); |
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rep->stitch_lbr = false; |
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} |
|
|
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/* ??? handle more cases than just ANY? */ |
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if (!(evlist__combined_branch_type(session->evlist) & PERF_SAMPLE_BRANCH_ANY)) |
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rep->nonany_branch_mode = true; |
|
|
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#if !defined(HAVE_LIBUNWIND_SUPPORT) && !defined(HAVE_DWARF_SUPPORT) |
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if (dwarf_callchain_users) { |
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ui__warning("Please install libunwind or libdw " |
|
"development packages during the perf build.\n"); |
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} |
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#endif |
|
|
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return 0; |
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} |
|
|
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static void sig_handler(int sig __maybe_unused) |
|
{ |
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session_done = 1; |
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} |
|
|
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static size_t hists__fprintf_nr_sample_events(struct hists *hists, struct report *rep, |
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const char *evname, FILE *fp) |
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{ |
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size_t ret; |
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char unit; |
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unsigned long nr_samples = hists->stats.nr_samples; |
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u64 nr_events = hists->stats.total_period; |
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struct evsel *evsel = hists_to_evsel(hists); |
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char buf[512]; |
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size_t size = sizeof(buf); |
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int socked_id = hists->socket_filter; |
|
|
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if (quiet) |
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return 0; |
|
|
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if (symbol_conf.filter_relative) { |
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nr_samples = hists->stats.nr_non_filtered_samples; |
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nr_events = hists->stats.total_non_filtered_period; |
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} |
|
|
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if (evsel__is_group_event(evsel)) { |
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struct evsel *pos; |
|
|
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evsel__group_desc(evsel, buf, size); |
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evname = buf; |
|
|
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for_each_group_member(pos, evsel) { |
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const struct hists *pos_hists = evsel__hists(pos); |
|
|
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if (symbol_conf.filter_relative) { |
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nr_samples += pos_hists->stats.nr_non_filtered_samples; |
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nr_events += pos_hists->stats.total_non_filtered_period; |
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} else { |
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nr_samples += pos_hists->stats.nr_samples; |
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nr_events += pos_hists->stats.total_period; |
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} |
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} |
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} |
|
|
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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); |
|
|
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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, |
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&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 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.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 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_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; |
|
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 (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; |
|
}
|
|
|