Synthesizing needed stat record data for report/script: - cpu/thread maps - stat config
Link: http://lkml.kernel.org/n/tip-wni1s2i2sq17g4vomjyda...@git.kernel.org Signed-off-by: Jiri Olsa <jo...@kernel.org> --- tools/perf/builtin-stat.c | 48 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index 95030e686bc4..50d7c8ba0e00 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -190,6 +190,20 @@ static inline int nsec_counter(struct perf_evsel *evsel) return 0; } +static int process_synthesized_event(struct perf_tool *tool __maybe_unused, + union perf_event *event, + struct perf_sample *sample __maybe_unused, + struct machine *machine __maybe_unused) +{ + if (perf_data_file__write(&stat_record.file, event, event->header.size) < 0) { + pr_err("failed to write perf data, error: %m\n"); + return -1; + } + + stat_record.bytes_written += event->header.size; + return 0; +} + /* * Read out the results of a single counter: * do not aggregate counts across CPUs in system-wide mode @@ -276,6 +290,36 @@ static void workload_exec_failed_signal(int signo __maybe_unused, siginfo_t *inf workload_exec_errno = info->si_value.sival_int; } +static int perf_stat_synthesize_config(void) +{ + int err; + + err = perf_event__synthesize_stat_config(NULL, &stat_config, + process_synthesized_event, NULL); + if (err < 0) { + pr_err("Couldn't synthesize config.\n"); + return err; + } + + err = perf_event__synthesize_thread_map2(NULL, evsel_list->threads, + process_synthesized_event, + NULL); + if (err < 0) { + pr_err("Couldn't synthesize thread map.\n"); + return err; + } + + err = perf_event__synthesize_cpu_map(NULL, evsel_list->cpus, + process_synthesized_event, + NULL); + if (err < 0) { + pr_err("Couldn't synthesize thread map.\n"); + return err; + } + + return 0; +} + static int __run_perf_stat(int argc, const char **argv) { int interval = stat_config.interval; @@ -356,6 +400,10 @@ static int __run_perf_stat(int argc, const char **argv) fd, false); if (err < 0) return err; + + err = perf_stat_synthesize_config(); + if (err < 0) + return err; } /* -- 2.4.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
