From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758548AbbEaQMP (ORCPT ); Sun, 31 May 2015 12:12:15 -0400 Received: from mga01.intel.com ([192.55.52.88]:14280 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755433AbbEaQMC (ORCPT ); Sun, 31 May 2015 12:12:02 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.13,527,1427785200"; d="scan'208";a="738289847" From: Andi Kleen To: acme@kernel.org Cc: jolsa@redhat.com, namhyung@kernel.org, eranian@google.com, linux-kernel@vger.kernel.org, mingo@kernel.org, sukadev@linux.vnet.ibm.com, Andi Kleen Subject: [PATCH 1/3] perf, tools: Add override support for event list CPUID Date: Sun, 31 May 2015 09:11:34 -0700 Message-Id: <1433088696-15491-2-git-send-email-andi@firstfloor.org> X-Mailer: git-send-email 2.4.1 In-Reply-To: <1433088696-15491-1-git-send-email-andi@firstfloor.org> References: <1433088696-15491-1-git-send-email-andi@firstfloor.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Andi Kleen Add a PERF_CPUID variable to override the CPUID of the current CPU. This is useful for testing, so that all event lists can be tested on a single system. v2: Fix double free in earlier version. Signed-off-by: Andi Kleen --- tools/perf/util/pmu.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c index 578a537..5c30f89 100644 --- a/tools/perf/util/pmu.c +++ b/tools/perf/util/pmu.c @@ -474,7 +474,11 @@ static int pmu_add_cpu_aliases(void *data) struct pmu_event *pe; char *cpuid; - cpuid = get_cpuid_str(); + cpuid = getenv("PERF_CPUID"); + if (cpuid) + cpuid = strdup(cpuid); + if (!cpuid) + cpuid = get_cpuid_str(); if (!cpuid) return 0; -- 2.4.1