The .snapshot file indicates that the provided event value is a snapshot value. Bypassing the delta computation logic for such event.
Cc: Andi Kleen <[email protected]> Cc: Arnaldo Carvalho de Melo <[email protected]> Cc: Corey Ashford <[email protected]> Cc: David Ahern <[email protected]> Cc: Frederic Weisbecker <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: Matt Fleming <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Paul Mackerras <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Stephane Eranian <[email protected]> Signed-off-by: Jiri Olsa <[email protected]> --- tools/perf/builtin-stat.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index 860e8ad06616..891086376381 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -443,7 +443,8 @@ static int read_cb(struct perf_evsel *evsel, int cpu, int thread __maybe_unused, case AGGR_CORE: case AGGR_SOCKET: case AGGR_NONE: - perf_evsel__compute_deltas(evsel, cpu, count); + if (!evsel->snapshot) + perf_evsel__compute_deltas(evsel, cpu, count); perf_counts_values__scale(count, scale, NULL); evsel->counts->cpu[cpu] = *count; update_shadow_stats(evsel, count->values); @@ -479,7 +480,8 @@ static int read_counter_aggr(struct perf_evsel *counter) if (read_counter(counter)) return -1; - perf_evsel__compute_deltas(counter, -1, aggr); + if (!counter->snapshot) + perf_evsel__compute_deltas(counter, -1, aggr); perf_counts_values__scale(aggr, scale, &counter->counts->scaled); for (i = 0; i < 3; i++) -- 1.9.3 -- 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/
