From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnaldo Carvalho de Melo Subject: [PATCH 09/18] perf report: Group stat values on global event id Date: Tue, 29 Aug 2017 16:42:45 -0300 Message-ID: <20170829194254.1338-10-acme@kernel.org> References: <20170829194254.1338-1-acme@kernel.org> Return-path: In-Reply-To: <20170829194254.1338-1-acme@kernel.org> Sender: linux-kernel-owner@vger.kernel.org To: Ingo Molnar Cc: linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Jiri Olsa , Alexander Shishkin , Andi Kleen , David Ahern , Mark Rutland , Namhyung Kim , Peter Zijlstra , Arnaldo Carvalho de Melo List-Id: linux-perf-users.vger.kernel.org From: Jiri Olsa 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 Cc: Alexander Shishkin Cc: Andi Kleen Cc: David Ahern Cc: Mark Rutland Cc: Namhyung Kim Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/20170824162737.7813-10-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- 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; } -- 2.13.5