From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 93DCFC47247 for ; Thu, 7 May 2020 07:00:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7C7E42075E for ; Thu, 7 May 2020 07:00:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726625AbgEGHAc (ORCPT ); Thu, 7 May 2020 03:00:32 -0400 Received: from mga04.intel.com ([192.55.52.120]:18356 "EHLO mga04.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726320AbgEGHAb (ORCPT ); Thu, 7 May 2020 03:00:31 -0400 IronPort-SDR: zNYv7s8aRhR1qPnpUOZhbDObeW5Gxhb3mq4VKE/kzzsopJuwTGvsppcw1QdBp6qfC5vMmRMCWU YdEtLY0/UiJQ== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 May 2020 00:00:31 -0700 IronPort-SDR: KDKhUWDcHFBq/v3j4at9Xjggz7EqLXj0E2bGiZEsZ1l+w+QP7f5XuIpA8IYnMRGfQCZIhC29Xs g86o3vQR4wRQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.73,362,1583222400"; d="scan'208";a="370026111" Received: from kbl-ppc.sh.intel.com ([10.239.159.118]) by fmsmga001.fm.intel.com with ESMTP; 07 May 2020 00:00:27 -0700 From: Jin Yao To: acme@kernel.org, jolsa@kernel.org, peterz@infradead.org, mingo@redhat.com, alexander.shishkin@linux.intel.com Cc: Linux-kernel@vger.kernel.org, ak@linux.intel.com, kan.liang@intel.com, yao.jin@intel.com, Jin Yao Subject: [PATCH v3 2/4] perf counts: Reset prev_raw_counts counts Date: Thu, 7 May 2020 14:58:20 +0800 Message-Id: <20200507065822.8255-3-yao.jin@linux.intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200507065822.8255-1-yao.jin@linux.intel.com> References: <20200507065822.8255-1-yao.jin@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The evsel->prev_raw_counts is updated in perf_evsel__compute_deltas: perf_evsel__compute_deltas() { tmp = *perf_counts(evsel->prev_raw_counts, cpu, thread); *perf_counts(evsel->prev_raw_counts, cpu, thread) = *count; } When we want to reset the evsel->prev_raw_counts in perf_evsel__reset_prev_raw_counts, zeroing the aggr is not enough, we need to reset the counts too. Signed-off-by: Jin Yao --- tools/perf/util/counts.c | 5 +++++ tools/perf/util/counts.h | 2 ++ tools/perf/util/stat.c | 1 + 3 files changed, 8 insertions(+) diff --git a/tools/perf/util/counts.c b/tools/perf/util/counts.c index f94e1a23dad6..af3bf36f7c63 100644 --- a/tools/perf/util/counts.c +++ b/tools/perf/util/counts.c @@ -64,3 +64,8 @@ void perf_evsel__free_counts(struct evsel *evsel) perf_counts__delete(evsel->counts); evsel->counts = NULL; } + +void perf_evsel__reset_raw_counts(struct evsel *evsel) +{ + perf_counts__reset(evsel->prev_raw_counts); +} diff --git a/tools/perf/util/counts.h b/tools/perf/util/counts.h index 92196df4945f..15bb9acb7cb0 100644 --- a/tools/perf/util/counts.h +++ b/tools/perf/util/counts.h @@ -42,4 +42,6 @@ void perf_evsel__reset_counts(struct evsel *evsel); int perf_evsel__alloc_counts(struct evsel *evsel, int ncpus, int nthreads); void perf_evsel__free_counts(struct evsel *evsel); +void perf_evsel__reset_raw_counts(struct evsel *evsel); + #endif /* __PERF_COUNTS_H */ diff --git a/tools/perf/util/stat.c b/tools/perf/util/stat.c index 774468341851..89e541564ed5 100644 --- a/tools/perf/util/stat.c +++ b/tools/perf/util/stat.c @@ -168,6 +168,7 @@ static void perf_evsel__reset_prev_raw_counts(struct evsel *evsel) evsel->prev_raw_counts->aggr.val = 0; evsel->prev_raw_counts->aggr.ena = 0; evsel->prev_raw_counts->aggr.run = 0; + perf_evsel__reset_raw_counts(evsel); } } -- 2.17.1