From mboxrd@z Thu Jan 1 00:00:00 1970 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752097AbeAPNP7 (ORCPT + 1 other); Tue, 16 Jan 2018 08:15:59 -0500 Received: from mga14.intel.com ([192.55.52.115]:36570 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751433AbeAPNPa (ORCPT ); Tue, 16 Jan 2018 08:15:30 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.46,368,1511856000"; d="scan'208";a="22042875" From: Adrian Hunter To: Arnaldo Carvalho de Melo Cc: Jiri Olsa , linux-kernel@vger.kernel.org Subject: [PATCH 2/3] perf tools: Ensure reserved member of PERF_SAMPLE_CPU is zero in perf_event__synthesize_sample() Date: Tue, 16 Jan 2018 15:14:51 +0200 Message-Id: <1516108492-21401-3-git-send-email-adrian.hunter@intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1516108492-21401-1-git-send-email-adrian.hunter@intel.com> References: <1516108492-21401-1-git-send-email-adrian.hunter@intel.com> Organization: Intel Finland Oy, Registered Address: PL 281, 00181 Helsinki, Business Identity Code: 0357606 - 4, Domiciled in Helsinki Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Return-Path: PERF_SAMPLE_CPU contains the cpu number in the first 4 bytes and the second 4 bytes are reserved. Ensure the reserved bytes are zero in perf_event__synthesize_sample(). Signed-off-by: Adrian Hunter --- tools/perf/util/evsel.c | 1 + 1 file changed, 1 insertion(+) diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index 8f971a2301d1..7d066e83abe8 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -2523,6 +2523,7 @@ int perf_event__synthesize_sample(union perf_event *event, u64 type, if (type & PERF_SAMPLE_CPU) { u.val32[0] = sample->cpu; + u.val32[1] = 0; if (swapped) { /* * Inverse of what is done in perf_evsel__parse_sample -- 1.9.1