From: Kan Liang <[email protected]> Add function to process PERF_RECORD_COUNTER_READ RECORD type event. Simply print event name, cpu id, val and time information in perf report -D.
Signed-off-by: Kan Liang <[email protected]> --- tools/perf/builtin-report.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index e4e3f14..1d8dce2 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -207,6 +207,29 @@ static int process_read_event(struct perf_tool *tool, return 0; } +static int process_counter_read_event(struct perf_tool *tool __maybe_unused, + union perf_event *event, + struct perf_session *session) +{ + struct perf_evlist *evlist = session->evlist; + struct perf_evsel *evsel; + + evlist__for_each(evlist, evsel) { + if (evsel->idx == event->counter_read.idx) + break; + } + + hists__inc_nr_events(evsel__hists(evsel), event->header.type); + + dump_printf(": %s CPU %d: val %" PRIu64 " ena %" PRIu64 " run %" PRIu64 " \n", + evsel ? perf_evsel__name(evsel) : "FAIL", + event->counter_read.cpu, + event->counter_read.val, + event->counter_read.ena, + event->counter_read.run); + return 0; +} + /* For pipe mode, sample_type is not currently set */ static int report__setup_sample_type(struct report *rep) { @@ -632,6 +655,7 @@ int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused) .fork = perf_event__process_fork, .lost = perf_event__process_lost, .read = process_read_event, + .counter_read = process_counter_read_event, .attr = perf_event__process_attr, .tracing_data = perf_event__process_tracing_data, .build_id = perf_event__process_build_id, -- 1.8.3.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
