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=-16.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,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 D9DEBC43463 for ; Fri, 18 Sep 2020 02:40:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A57BD23770 for ; Fri, 18 Sep 2020 02:40:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1600396815; bh=NAvfy6R2N95y25x9BweqMgt7j/jlalXTppH9dmmZkLs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=xanSGl48NIJTdyhXsMg7raUC1kmdiEDVLj89vqZG0kPYdFnXeGejS/tGLxcWaHD11 63hanzcy157lcuTo5eCElQ3GlKILS9D45nBkoCSDyr/paAxMmRWOtsWN+ZqEHnwen9 Ku4aw65CkriXh3qa4pIXIgIicJUgzED10b600HgE= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730055AbgIRCkO (ORCPT ); Thu, 17 Sep 2020 22:40:14 -0400 Received: from mail.kernel.org ([198.145.29.99]:37514 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727357AbgIRCLo (ORCPT ); Thu, 17 Sep 2020 22:11:44 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id A968B2388D; Fri, 18 Sep 2020 02:11:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1600395103; bh=NAvfy6R2N95y25x9BweqMgt7j/jlalXTppH9dmmZkLs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=pE0Nb/apsO6gqSg76q9LADAP9I07Mf+GeJJVBq6xUI9XNX7pt16X+nI02OUovGgE/ ujHhvt1hN7aDusVDnEqVocQdiKNRNUNCNqBR1DHgI2RqOIuiBChb4xKMsmisflP/UN LmGJ7Ga4G5ljTDyESjP+sunUpxjdm6Cty3sdAvlU= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Jiri Olsa , Joakim Zhang , Alexander Shishkin , Andi Kleen , Michael Petlan , Namhyung Kim , Peter Zijlstra , Arnaldo Carvalho de Melo , Sasha Levin Subject: [PATCH AUTOSEL 4.19 181/206] perf stat: Fix duration_time value for higher intervals Date: Thu, 17 Sep 2020 22:07:37 -0400 Message-Id: <20200918020802.2065198-181-sashal@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200918020802.2065198-1-sashal@kernel.org> References: <20200918020802.2065198-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Jiri Olsa [ Upstream commit ea9eb1f456a08c18feb485894185f7a4e31cc8a4 ] Joakim reported wrong duration_time value for interval bigger than 4000 [1]. The problem is in the interval value we pass to update_stats function, which is typed as 'unsigned int' and overflows when we get over 2^32 (happens between intervals 4000 and 5000). Retyping the passed value to unsigned long long. [1] https://www.spinics.net/lists/linux-perf-users/msg11777.html Fixes: b90f1333ef08 ("perf stat: Update walltime_nsecs_stats in interval mode") Reported-by: Joakim Zhang Signed-off-by: Jiri Olsa Cc: Alexander Shishkin Cc: Andi Kleen Cc: Michael Petlan Cc: Namhyung Kim Cc: Peter Zijlstra Link: http://lore.kernel.org/lkml/20200518131445.3745083-1-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo Signed-off-by: Sasha Levin --- tools/perf/builtin-stat.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index 6aae10ff954c7..adabe9d4dc866 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -422,7 +422,7 @@ static void process_interval(void) } init_stats(&walltime_nsecs_stats); - update_stats(&walltime_nsecs_stats, stat_config.interval * 1000000); + update_stats(&walltime_nsecs_stats, stat_config.interval * 1000000ULL); print_counters(&rs, 0, NULL); } -- 2.25.1