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![Ian Rogers](/assets/img/avatar_default.png)
Later changes will add reference count checking for 'struct map'. Add accessors so that the reference count check is only necessary in one place. Signed-off-by: Ian Rogers <irogers@google.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Alexey Bayduraev <alexey.v.bayduraev@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: Darren Hart <dvhart@infradead.org> Cc: Davidlohr Bueso <dave@stgolabs.net> Cc: Dmitriy Vyukov <dvyukov@google.com> Cc: Eric Dumazet <edumazet@google.com> Cc: German Gomez <german.gomez@arm.com> Cc: Hao Luo <haoluo@google.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: James Clark <james.clark@arm.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: John Garry <john.g.garry@oracle.com> Cc: Kajol Jain <kjain@linux.ibm.com> Cc: Kan Liang <kan.liang@linux.intel.com> Cc: Leo Yan <leo.yan@linaro.org> Cc: Madhavan Srinivasan <maddy@linux.ibm.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Masami Hiramatsu <mhiramat@kernel.org> Cc: Miaoqian Lin <linmq006@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Riccardo Mancini <rickyman7@gmail.com> Cc: Shunsuke Nakamura <nakamura.shun@fujitsu.com> Cc: Song Liu <song@kernel.org> Cc: Stephane Eranian <eranian@google.com> Cc: Stephen Brennan <stephen.s.brennan@oracle.com> Cc: Steven Rostedt (VMware) <rostedt@goodmis.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Thomas Richter <tmricht@linux.ibm.com> Cc: Yury Norov <yury.norov@gmail.com> Link: https://lore.kernel.org/r/20230404205954.2245628-2-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
1736 lines
48 KiB
C
1736 lines
48 KiB
C
// 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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#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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#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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#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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#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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#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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#ifdef HAVE_LIBTRACEEVENT
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#include <traceevent/event-parse.h>
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#endif
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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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#ifdef HAVE_SLANG_SUPPORT
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bool use_tui;
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#endif
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#ifdef HAVE_GTK2_SUPPORT
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bool use_gtk;
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#endif
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bool 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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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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if (!default_sort_order) {
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pr_err("Not enough memory for report.sort_order\n");
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return -1;
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}
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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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pr_debug("%s variable unknown, ignoring...", var);
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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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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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out:
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return err;
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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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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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if (event->feat.feat_id < HEADER_LAST_FEATURE)
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return perf_event__process_feature(session, event);
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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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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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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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if (evswitch__discard(&rep->evswitch, evsel))
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return 0;
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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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if (rep->stitch_lbr)
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al.thread->lbr_stitch_enable = true;
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if (symbol_conf.hide_unresolved && al.sym == NULL)
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goto out_put;
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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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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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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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if (al.map != NULL)
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map__dso(al.map)->hit = 1;
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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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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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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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if (err)
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return err;
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}
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return 0;
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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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struct evsel *evsel;
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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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}
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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 &&
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!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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/*
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* FIXUP: prior to kernel 5.18, Arm SPE missed to set
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* PERF_SAMPLE_DATA_SRC bit in sample type. For backward
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* compatibility, set the bit if it's an old perf data file.
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*/
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evlist__for_each_entry(session->evlist, evsel) {
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if (strstr(evsel->name, "arm_spe") &&
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!(sample_type & PERF_SAMPLE_DATA_SRC)) {
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evsel->core.attr.sample_type |= PERF_SAMPLE_DATA_SRC;
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sample_type |= PERF_SAMPLE_DATA_SRC;
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}
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}
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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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|
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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 "
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"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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|
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static void sig_handler(int sig __maybe_unused)
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{
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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,
|
|
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 ||
|
|
(map__dso(kernel_map)->hit &&
|
|
(kernel_kmap->ref_reloc_sym == NULL ||
|
|
kernel_kmap->ref_reloc_sym->addr == 0))) {
|
|
const char *desc =
|
|
"As no suitable kallsyms nor vmlinux was found, kernel samples\n"
|
|
"can't be resolved.";
|
|
|
|
if (kernel_map && map__has_symbols(kernel_map)) {
|
|
desc = "If some relocation was applied (e.g. "
|
|
"kexec) symbols may be misresolved.";
|
|
}
|
|
|
|
ui__warning(
|
|
"Kernel address maps (/proc/{kallsyms,modules}) were restricted.\n\n"
|
|
"Check /proc/sys/kernel/kptr_restrict before running 'perf record'.\n\n%s\n\n"
|
|
"Samples in kernel modules can't be resolved as well.\n\n",
|
|
desc);
|
|
}
|
|
}
|
|
|
|
static int report__gtk_browse_hists(struct report *rep, const char *help)
|
|
{
|
|
int (*hist_browser)(struct evlist *evlist, const char *help,
|
|
struct hist_browser_timer *timer, float min_pcnt);
|
|
|
|
hist_browser = dlsym(perf_gtk_handle, "evlist__gtk_browse_hists");
|
|
|
|
if (hist_browser == NULL) {
|
|
ui__error("GTK browser not found!\n");
|
|
return -1;
|
|
}
|
|
|
|
return hist_browser(rep->session->evlist, help, NULL, rep->min_percent);
|
|
}
|
|
|
|
static int report__browse_hists(struct report *rep)
|
|
{
|
|
int ret;
|
|
struct perf_session *session = rep->session;
|
|
struct evlist *evlist = session->evlist;
|
|
char *help = NULL, *path = NULL;
|
|
|
|
path = system_path(TIPDIR);
|
|
if (perf_tip(&help, path) || help == NULL) {
|
|
/* fallback for people who don't install perf ;-) */
|
|
free(path);
|
|
path = system_path(DOCDIR);
|
|
if (perf_tip(&help, path) || help == NULL)
|
|
help = strdup("Cannot load tips.txt file, please install perf!");
|
|
}
|
|
free(path);
|
|
|
|
switch (use_browser) {
|
|
case 1:
|
|
if (rep->total_cycles_mode) {
|
|
ret = evlist__tui_block_hists_browse(evlist, rep);
|
|
break;
|
|
}
|
|
|
|
ret = evlist__tui_browse_hists(evlist, help, NULL, rep->min_percent,
|
|
&session->header.env, true, &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, &rep->annotation_opts, 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_rb_node *rb_node;
|
|
|
|
maps__for_each_entry(maps, rb_node) {
|
|
struct map *map = rb_node->map;
|
|
const struct dso *dso = map__dso(map);
|
|
u32 prot = map__prot(map);
|
|
|
|
printed += fprintf(fp, "%*s %" PRIx64 "-%" PRIx64 " %c%c%c%c %08" PRIx64 " %" PRIu64 " %s\n",
|
|
indent, "", map__start(map), map__end(map),
|
|
prot & PROT_READ ? 'r' : '-',
|
|
prot & PROT_WRITE ? 'w' : '-',
|
|
prot & PROT_EXEC ? 'x' : '-',
|
|
map__flags(map) ? 's' : 'p',
|
|
map__pgoff(map),
|
|
dso->id.ino, dso->name);
|
|
}
|
|
|
|
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,
|
|
#ifdef HAVE_LIBTRACEEVENT
|
|
.tracing_data = perf_event__process_tracing_data,
|
|
#endif
|
|
.build_id = perf_event__process_build_id,
|
|
.id_index = perf_event__process_id_index,
|
|
.auxtrace_info = perf_event__process_auxtrace_info,
|
|
.auxtrace = perf_event__process_auxtrace,
|
|
.event_update = perf_event__process_event_update,
|
|
.feature = process_feature_event,
|
|
.ordered_events = true,
|
|
.ordering_requires_timestamps = true,
|
|
},
|
|
.max_stack = PERF_MAX_STACK_DEPTH,
|
|
.pretty_printing_style = "normal",
|
|
.socket_filter = -1,
|
|
.skip_empty = true,
|
|
};
|
|
char *sort_order_help = sort_help("sort by key(s):");
|
|
char *field_order_help = sort_help("output field(s): overhead period sample ");
|
|
const char *disassembler_style = NULL, *objdump_path = NULL, *addr2line_path = NULL;
|
|
const struct option options[] = {
|
|
OPT_STRING('i', "input", &input_name, "file",
|
|
"input file name"),
|
|
OPT_INCR('v', "verbose", &verbose,
|
|
"be more verbose (show symbol address, etc)"),
|
|
OPT_BOOLEAN('q', "quiet", &quiet, "Do not show any warnings or messages"),
|
|
OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
|
|
"dump raw trace in ASCII"),
|
|
OPT_BOOLEAN(0, "stats", &report.stats_mode, "Display event stats"),
|
|
OPT_BOOLEAN(0, "tasks", &report.tasks_mode, "Display recorded tasks"),
|
|
OPT_BOOLEAN(0, "mmaps", &report.mmaps_mode, "Display recorded tasks memory maps"),
|
|
OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
|
|
"file", "vmlinux pathname"),
|
|
OPT_BOOLEAN(0, "ignore-vmlinux", &symbol_conf.ignore_vmlinux,
|
|
"don't load vmlinux even if found"),
|
|
OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
|
|
"file", "kallsyms pathname"),
|
|
OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
|
|
OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules,
|
|
"load module symbols - WARNING: use only with -k and LIVE kernel"),
|
|
OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples,
|
|
"Show a column with the number of samples"),
|
|
OPT_BOOLEAN('T', "threads", &report.show_threads,
|
|
"Show per-thread event counters"),
|
|
OPT_STRING(0, "pretty", &report.pretty_printing_style, "key",
|
|
"pretty printing style key: normal raw"),
|
|
#ifdef HAVE_SLANG_SUPPORT
|
|
OPT_BOOLEAN(0, "tui", &report.use_tui, "Use the TUI interface"),
|
|
#endif
|
|
#ifdef HAVE_GTK2_SUPPORT
|
|
OPT_BOOLEAN(0, "gtk", &report.use_gtk, "Use the GTK2 interface"),
|
|
#endif
|
|
OPT_BOOLEAN(0, "stdio", &report.use_stdio,
|
|
"Use the stdio interface"),
|
|
OPT_BOOLEAN(0, "header", &report.header, "Show data header."),
|
|
OPT_BOOLEAN(0, "header-only", &report.header_only,
|
|
"Show only data header."),
|
|
OPT_STRING('s', "sort", &sort_order, "key[,key2...]",
|
|
sort_order_help),
|
|
OPT_STRING('F', "fields", &field_order, "key[,keys...]",
|
|
field_order_help),
|
|
OPT_BOOLEAN(0, "show-cpu-utilization", &symbol_conf.show_cpu_utilization,
|
|
"Show sample percentage for different cpu modes"),
|
|
OPT_BOOLEAN_FLAG(0, "showcpuutilization", &symbol_conf.show_cpu_utilization,
|
|
"Show sample percentage for different cpu modes", PARSE_OPT_HIDDEN),
|
|
OPT_STRING('p', "parent", &parent_pattern, "regex",
|
|
"regex filter to identify parent, see: '--sort parent'"),
|
|
OPT_BOOLEAN('x', "exclude-other", &symbol_conf.exclude_other,
|
|
"Only display entries with parent-match"),
|
|
OPT_CALLBACK_DEFAULT('g', "call-graph", &callchain_param,
|
|
"print_type,threshold[,print_limit],order,sort_key[,branch],value",
|
|
report_callchain_help, &report_parse_callchain_opt,
|
|
callchain_default_opt),
|
|
OPT_BOOLEAN(0, "children", &symbol_conf.cumulate_callchain,
|
|
"Accumulate callchains of children and show total overhead as well. "
|
|
"Enabled by default, use --no-children to disable."),
|
|
OPT_INTEGER(0, "max-stack", &report.max_stack,
|
|
"Set the maximum stack depth when parsing the callchain, "
|
|
"anything beyond the specified depth will be ignored. "
|
|
"Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)),
|
|
OPT_BOOLEAN('G', "inverted", &report.inverted_callchain,
|
|
"alias for inverted call graph"),
|
|
OPT_CALLBACK(0, "ignore-callees", NULL, "regex",
|
|
"ignore callees of these functions in call graphs",
|
|
report_parse_ignore_callees_opt),
|
|
OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",
|
|
"only consider symbols in these dsos"),
|
|
OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
|
|
"only consider symbols in these comms"),
|
|
OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",
|
|
"only consider symbols in these pids"),
|
|
OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
|
|
"only consider symbols in these tids"),
|
|
OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
|
|
"only consider these symbols"),
|
|
OPT_STRING(0, "symbol-filter", &report.symbol_filter_str, "filter",
|
|
"only show symbols that (partially) match with this filter"),
|
|
OPT_STRING('w', "column-widths", &symbol_conf.col_width_list_str,
|
|
"width[,width...]",
|
|
"don't try to adjust column width, use these fixed values"),
|
|
OPT_STRING_NOEMPTY('t', "field-separator", &symbol_conf.field_sep, "separator",
|
|
"separator for columns, no spaces will be added between "
|
|
"columns '.' is reserved."),
|
|
OPT_BOOLEAN('U', "hide-unresolved", &symbol_conf.hide_unresolved,
|
|
"Only display entries resolved to a symbol"),
|
|
OPT_CALLBACK(0, "symfs", NULL, "directory",
|
|
"Look for files with symbols relative to this directory",
|
|
symbol__config_symfs),
|
|
OPT_STRING('C', "cpu", &report.cpu_list, "cpu",
|
|
"list of cpus to profile"),
|
|
OPT_BOOLEAN('I', "show-info", &report.show_full_info,
|
|
"Display extended information about perf.data file"),
|
|
OPT_BOOLEAN(0, "source", &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", &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", &objdump_path, "path",
|
|
"objdump binary to use for disassembly and annotations"),
|
|
OPT_STRING(0, "addr2line", &addr2line_path, "path",
|
|
"addr2line binary to use for line numbers"),
|
|
OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
|
|
"Disable symbol demangling"),
|
|
OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
|
|
"Enable kernel symbol demangling"),
|
|
OPT_BOOLEAN(0, "mem-mode", &report.mem_mode, "mem access profile"),
|
|
OPT_INTEGER(0, "samples", &symbol_conf.res_sample,
|
|
"Number of samples to save per histogram entry for individual browsing"),
|
|
OPT_CALLBACK(0, "percent-limit", &report, "percent",
|
|
"Don't show entries under that percent", parse_percent_limit),
|
|
OPT_CALLBACK(0, "percentage", NULL, "relative|absolute",
|
|
"how to display percentage of filtered entries", parse_filter_percentage),
|
|
OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
|
|
"Instruction Tracing options\n" ITRACE_HELP,
|
|
itrace_parse_synth_opts),
|
|
OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
|
|
"Show full source file name path for source lines"),
|
|
OPT_BOOLEAN(0, "show-ref-call-graph", &symbol_conf.show_ref_callgraph,
|
|
"Show callgraph from reference event"),
|
|
OPT_BOOLEAN(0, "stitch-lbr", &report.stitch_lbr,
|
|
"Enable LBR callgraph stitching approach"),
|
|
OPT_INTEGER(0, "socket-filter", &report.socket_filter,
|
|
"only show processor socket that match with this filter"),
|
|
OPT_BOOLEAN(0, "raw-trace", &symbol_conf.raw_trace,
|
|
"Show raw trace event output (do not use print fmt or plugins)"),
|
|
OPT_BOOLEAN(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;
|
|
|
|
annotation_options__init(&report.annotation_opts);
|
|
|
|
ret = perf_config(report__config, &report);
|
|
if (ret)
|
|
goto exit;
|
|
|
|
argc = parse_options(argc, argv, options, report_usage, 0);
|
|
if (argc) {
|
|
/*
|
|
* Special case: if there's an argument left then assume that
|
|
* it's a symbol filter:
|
|
*/
|
|
if (argc > 1)
|
|
usage_with_options(report_usage, options);
|
|
|
|
report.symbol_filter_str = argv[0];
|
|
}
|
|
|
|
if (disassembler_style) {
|
|
report.annotation_opts.disassembler_style = strdup(disassembler_style);
|
|
if (!report.annotation_opts.disassembler_style)
|
|
return -ENOMEM;
|
|
}
|
|
if (objdump_path) {
|
|
report.annotation_opts.objdump_path = strdup(objdump_path);
|
|
if (!report.annotation_opts.objdump_path)
|
|
return -ENOMEM;
|
|
}
|
|
if (addr2line_path) {
|
|
symbol_conf.addr2line_path = strdup(addr2line_path);
|
|
if (!symbol_conf.addr2line_path)
|
|
return -ENOMEM;
|
|
}
|
|
|
|
if (annotate_check_args(&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 && evlist__nr_groups(session->evlist) == 0) {
|
|
parse_options_usage(NULL, options, "group-sort-idx", 0);
|
|
ret = -EINVAL;
|
|
goto error;
|
|
}
|
|
|
|
if (itrace_synth_opts.last_branch || itrace_synth_opts.add_last_branch)
|
|
has_br_stack = true;
|
|
|
|
if (has_br_stack && branch_call_mode)
|
|
symbol_conf.show_branchflag_count = true;
|
|
|
|
memset(&report.brtype_stat, 0, sizeof(struct branch_type_stat));
|
|
|
|
/*
|
|
* Branch mode is a tristate:
|
|
* -1 means default, so decide based on the file having branch data.
|
|
* 0/1 means the user chose a mode.
|
|
*/
|
|
if (((branch_mode == -1 && has_br_stack) || branch_mode == 1) &&
|
|
!branch_call_mode) {
|
|
sort__mode = SORT_MODE__BRANCH;
|
|
symbol_conf.cumulate_callchain = false;
|
|
}
|
|
if (branch_call_mode) {
|
|
callchain_param.key = CCKEY_ADDRESS;
|
|
callchain_param.branch_callstack = true;
|
|
symbol_conf.use_callchain = true;
|
|
callchain_register_param(&callchain_param);
|
|
if (sort_order == NULL)
|
|
sort_order = "srcline,symbol,dso";
|
|
}
|
|
|
|
if (report.mem_mode) {
|
|
if (sort__mode == SORT_MODE__BRANCH) {
|
|
pr_err("branch and mem mode incompatible\n");
|
|
goto error;
|
|
}
|
|
sort__mode = SORT_MODE__MEMORY;
|
|
symbol_conf.cumulate_callchain = false;
|
|
}
|
|
|
|
if (symbol_conf.report_hierarchy) {
|
|
/* disable incompatible options */
|
|
symbol_conf.cumulate_callchain = false;
|
|
|
|
if (field_order) {
|
|
pr_err("Error: --hierarchy and --fields options cannot be used together\n");
|
|
parse_options_usage(report_usage, options, "F", 1);
|
|
parse_options_usage(NULL, options, "hierarchy", 0);
|
|
goto error;
|
|
}
|
|
|
|
perf_hpp_list.need_collapse = true;
|
|
}
|
|
|
|
if (report.use_stdio)
|
|
use_browser = 0;
|
|
#ifdef HAVE_SLANG_SUPPORT
|
|
else if (report.use_tui)
|
|
use_browser = 1;
|
|
#endif
|
|
#ifdef HAVE_GTK2_SUPPORT
|
|
else if (report.use_gtk)
|
|
use_browser = 2;
|
|
#endif
|
|
|
|
/* Force tty output for header output and per-thread stat. */
|
|
if (report.header || report.header_only || report.show_threads)
|
|
use_browser = 0;
|
|
if (report.header || report.header_only)
|
|
report.tool.show_feat_hdr = SHOW_FEAT_HEADER;
|
|
if (report.show_full_info)
|
|
report.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO;
|
|
if (report.stats_mode || report.tasks_mode)
|
|
use_browser = 0;
|
|
if (report.stats_mode && report.tasks_mode) {
|
|
pr_err("Error: --tasks and --mmaps can't be used together with --stats\n");
|
|
goto error;
|
|
}
|
|
|
|
if (report.total_cycles_mode) {
|
|
if (sort__mode != SORT_MODE__BRANCH)
|
|
report.total_cycles_mode = false;
|
|
else
|
|
sort_order = NULL;
|
|
}
|
|
|
|
if (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);
|
|
}
|
|
|
|
#ifdef HAVE_LIBTRACEEVENT
|
|
if (session->tevent.pevent &&
|
|
tep_set_function_resolver(session->tevent.pevent,
|
|
machine__resolve_kernel_addr,
|
|
&session->machines.host) < 0) {
|
|
pr_err("%s: failed to set libtraceevent function resolver\n",
|
|
__func__);
|
|
return -1;
|
|
}
|
|
#endif
|
|
sort__setup_elide(stdout);
|
|
|
|
ret = __cmd_report(&report);
|
|
if (ret == K_SWITCH_INPUT_DATA || ret == K_RELOAD) {
|
|
perf_session__delete(session);
|
|
last_key = K_SWITCH_INPUT_DATA;
|
|
goto repeat;
|
|
} else
|
|
ret = 0;
|
|
|
|
error:
|
|
if (report.ptime_range) {
|
|
itrace_synth_opts__clear_time_range(&itrace_synth_opts);
|
|
zfree(&report.ptime_range);
|
|
}
|
|
|
|
if (report.block_reports) {
|
|
block_info__free_report(report.block_reports,
|
|
report.nr_block_reports);
|
|
report.block_reports = NULL;
|
|
}
|
|
|
|
zstd_fini(&(session->zstd_data));
|
|
perf_session__delete(session);
|
|
exit:
|
|
annotation_options__exit(&report.annotation_opts);
|
|
free(sort_order_help);
|
|
free(field_order_help);
|
|
return ret;
|
|
}
|