Messages in this thread Patch in this message | | | From | Jiri Olsa <> | Subject | [PATCH 37/52] perf stat record: Synthesize event update events | Date | Sun, 25 Oct 2015 15:51:53 +0100 |
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Synthesize other events stuff not carried within attr event - unit, scale, name.
Link: http://lkml.kernel.org/n/tip-dzt1cls17hvc9nowg778z7vm@git.kernel.org Signed-off-by: Jiri Olsa <jolsa@kernel.org> --- tools/perf/builtin-stat.c | 59 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 59 insertions(+)
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index 719d2c5ade5b..54050095ee43 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -327,8 +327,19 @@ static void workload_exec_failed_signal(int signo __maybe_unused, siginfo_t *inf workload_exec_errno = info->si_value.sival_int; } +static bool has_unit(struct perf_evsel *counter) +{ + return counter->unit && *counter->unit; +} + +static bool has_scale(struct perf_evsel *counter) +{ + return counter->scale != 1; +} + static int perf_stat_synthesize_config(bool is_pipe) { + struct perf_evsel *counter; int err; if (is_pipe) { @@ -340,6 +351,54 @@ static int perf_stat_synthesize_config(bool is_pipe) } } + /* + * Synthesize other events stuff not carried within + * attr event - unit, scale, name + */ + evlist__for_each(evsel_list, counter) { + if (!counter->supported) + continue; + + /* + * Synthesize unit and scale only if it's defined. + */ + if (has_unit(counter)) { + err = perf_event__synthesize_event_update_unit(NULL, counter, process_synthesized_event); + if (err < 0) { + pr_err("Couldn't synthesize evsel unit.\n"); + return err; + } + } + + if (has_scale(counter)) { + err = perf_event__synthesize_event_update_scale(NULL, counter, process_synthesized_event); + if (err < 0) { + pr_err("Couldn't synthesize evsel scale.\n"); + return err; + } + } + + if (counter->own_cpus) { + err = perf_event__synthesize_event_update_cpus(NULL, counter, process_synthesized_event); + if (err < 0) { + pr_err("Couldn't synthesize evsel scale.\n"); + return err; + } + } + + /* + * Name is needed only for pipe output, + * perf.data carries event names. + */ + if (is_pipe) { + err = perf_event__synthesize_event_update_name(NULL, counter, process_synthesized_event); + if (err < 0) { + pr_err("Couldn't synthesize evsel name.\n"); + return err; + } + } + } + err = perf_event__synthesize_thread_map2(NULL, evsel_list->threads, process_synthesized_event, NULL); -- 2.4.3
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