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=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, 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 5A50EC5ACBF for ; Fri, 13 Mar 2020 18:34:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3A4CE20749 for ; Fri, 13 Mar 2020 18:34:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727312AbgCMSed (ORCPT ); Fri, 13 Mar 2020 14:34:33 -0400 Received: from mga06.intel.com ([134.134.136.31]:28623 "EHLO mga06.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727258AbgCMSeb (ORCPT ); Fri, 13 Mar 2020 14:34:31 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by orsmga104.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 13 Mar 2020 11:34:31 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.70,549,1574150400"; d="scan'208";a="442506066" Received: from labuser-ice-lake-client-platform.jf.intel.com ([10.54.55.45]) by fmsmga005.fm.intel.com with ESMTP; 13 Mar 2020 11:34:31 -0700 From: kan.liang@linux.intel.com To: acme@kernel.org, jolsa@redhat.com, peterz@infradead.org, mingo@redhat.com, linux-kernel@vger.kernel.org Cc: namhyung@kernel.org, adrian.hunter@intel.com, mathieu.poirier@linaro.org, ravi.bangoria@linux.ibm.com, alexey.budankov@linux.intel.com, vitaly.slobodskoy@intel.com, pavel.gerasimov@intel.com, mpe@ellerman.id.au, eranian@google.com, ak@linux.intel.com, Kan Liang Subject: [PATCH V3 03/17] perf record: Clear HEADER_CPU_PMU_CAPS for non LBR call stack mode Date: Fri, 13 Mar 2020 11:33:05 -0700 Message-Id: <20200313183319.17739-4-kan.liang@linux.intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200313183319.17739-1-kan.liang@linux.intel.com> References: <20200313183319.17739-1-kan.liang@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Kan Liang The CPU PMU capabilities information is only useful for LBR call stack. Clear the feature for other perf record mode. Reviewed-by: Andi Kleen Signed-off-by: Kan Liang --- tools/perf/builtin-record.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index 4c301466101b..428f7f5b8e48 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -1120,6 +1120,9 @@ static void record__init_features(struct record *rec) if (!record__comp_enabled(rec)) perf_header__clear_feat(&session->header, HEADER_COMPRESSED); + if (!callchain_param.enabled || (callchain_param.record_mode != CALLCHAIN_LBR)) + perf_header__clear_feat(&session->header, HEADER_CPU_PMU_CAPS); + perf_header__clear_feat(&session->header, HEADER_STAT); } -- 2.17.1