There's no big value on displaying counts for every event ID, which is one per every CPU. Rather than that, displaying the whole sum for the event.
$ perf record -c 100000 -e cycles:u -s test $ perf report -T Before: # PID TID cycles:u cycles:u cycles:u cycles:u ... [20 more columns of 'cycles:u'] 3339 3339 0 0 0 0 3340 3340 0 0 0 0 3341 3341 0 0 0 0 3342 3342 0 0 0 0 Now: # PID TID cycles:u 3339 3339 19678 3340 3340 18744 3341 3341 17335 3342 3342 26414 Signed-off-by: Jiri Olsa <jo...@kernel.org> --- tools/perf/builtin-report.c | 2 +- tools/perf/util/values.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index 9e4004b08f55..f9dff652dcbd 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -241,7 +241,7 @@ static int process_read_event(struct perf_tool *tool, const char *name = evsel ? perf_evsel__name(evsel) : "unknown"; int err = perf_read_values_add_value(&rep->show_threads_values, event->read.pid, event->read.tid, - event->read.id, + evsel->idx, name, event->read.value); diff --git a/tools/perf/util/values.c b/tools/perf/util/values.c index 3b56aeaa8cbb..8a32bb0095e5 100644 --- a/tools/perf/util/values.c +++ b/tools/perf/util/values.c @@ -192,7 +192,7 @@ int perf_read_values_add_value(struct perf_read_values *values, if (cindex < 0) return cindex; - values->value[tindex][cindex] = value; + values->value[tindex][cindex] += value; return 0; } -- 2.9.5