From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933005AbaLAXKD (ORCPT ); Mon, 1 Dec 2014 18:10:03 -0500 Received: from mail.kernel.org ([198.145.19.201]:46768 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932990AbaLAXJ6 (ORCPT ); Mon, 1 Dec 2014 18:09:58 -0500 From: Arnaldo Carvalho de Melo To: Ingo Molnar Cc: linux-kernel@vger.kernel.org, Jiri Olsa , Andi Kleen , Corey Ashford , David Ahern , Frederic Weisbecker , Matt Fleming , Namhyung Kim , Paul Mackerras , Peter Zijlstra , Stephane Eranian , Arnaldo Carvalho de Melo Subject: [PATCH 6/9] perf stat: Add support for snapshot counters Date: Mon, 1 Dec 2014 20:09:21 -0300 Message-Id: <1417475364-27371-7-git-send-email-acme@kernel.org> X-Mailer: git-send-email 1.9.3 In-Reply-To: <1417475364-27371-1-git-send-email-acme@kernel.org> References: <1417475364-27371-1-git-send-email-acme@kernel.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Jiri Olsa The .snapshot file indicates that the provided event value is a snapshot value. Bypassing the delta computation logic for such event. Signed-off-by: Jiri Olsa Cc: Andi Kleen Cc: Corey Ashford Cc: David Ahern Cc: Frederic Weisbecker Cc: Ingo Molnar Cc: Matt Fleming Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/r/1416562275-12404-12-git-send-email-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- 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