diff options
| -rw-r--r-- | tools/perf/Documentation/perf-report.txt | 4 | ||||
| -rw-r--r-- | tools/perf/builtin-report.c | 26 |
2 files changed, 29 insertions, 1 deletions
diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt index 1e02c4e1a81f..a7d11ef2fe25 100644 --- a/tools/perf/Documentation/perf-report.txt +++ b/tools/perf/Documentation/perf-report.txt @@ -457,6 +457,10 @@ include::itrace.txt[] will be printed. Each entry is function name or file/line. Enabled by default, disable with --no-inline. +--stats:: + Display overall events statistics without any further processing. + (like the one at the end of the perf report -D command) + include::callchain-overhead-calculation.txt[] SEE ALSO diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index 770bf8a614f2..8e67a8c25ab1 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -62,6 +62,7 @@ struct report { bool show_threads; bool inverted_callchain; bool mem_mode; + bool stats_mode; bool header; bool header_only; bool nonany_branch_mode; @@ -588,6 +589,20 @@ static void report__output_resort(struct report *rep) ui_progress__finish(); } +static void stats_setup(struct report *rep) +{ + memset(&rep->tool, 0, sizeof(rep->tool)); + rep->tool.no_warn = true; +} + +static int stats_print(struct report *rep) +{ + struct perf_session *session = rep->session; + + perf_session__fprintf_nr_events(session, stdout); + return 0; +} + static int __cmd_report(struct report *rep) { int ret; @@ -619,12 +634,18 @@ static int __cmd_report(struct report *rep) return ret; } + if (rep->stats_mode) + stats_setup(rep); + ret = perf_session__process_events(session); if (ret) { ui__error("failed to process sample\n"); return ret; } + if (rep->stats_mode) + return stats_print(rep); + report__warn_kptr_restrict(rep); evlist__for_each_entry(session->evlist, pos) @@ -781,6 +802,7 @@ int cmd_report(int argc, const char **argv) 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_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, "file", "vmlinux pathname"), OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, @@ -1042,6 +1064,8 @@ repeat: 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) + use_browser = 0; if (strcmp(input_name, "-") != 0) setup_browser(true); @@ -1064,7 +1088,7 @@ repeat: ret = 0; goto error; } - } else if (use_browser == 0 && !quiet) { + } else if (use_browser == 0 && !quiet && !report.stats_mode) { fputs("# To display the perf.data header info, please use --header/--header-only options.\n#\n", stdout); } |