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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2D145C433EF for ; Fri, 22 Apr 2022 16:26:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1447012AbiDVQ26 (ORCPT ); Fri, 22 Apr 2022 12:28:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56680 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1390632AbiDVQ1t (ORCPT ); Fri, 22 Apr 2022 12:27:49 -0400 Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9E285F3D for ; Fri, 22 Apr 2022 09:24:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1650644695; x=1682180695; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=yRpvc/5+lKYY2ErIrQ4yRGXINSu1VtbNTt3ZM+FzuEQ=; b=CH7wft1TsXLGXU0lCNh8lNC6SassYSn7Z/EDAPDfwSFTQSwbPTOV41wC 4Ftb2OfGSQFfj9z2Kc4nUh0qoijLID3Irj9fQb1iAVlu5wOuRQfGjs1+T e/ilAMbaOR6d67NKpa8BaHsTCeLeJEwzIn/hJWos7myjx/amKBab1NOCU 18m15M0hFre2gNGEUjYo2LPgjbIG6i+Ac9CJefUSI1lJv1d9ZttujmXHt aefoaJ5OuEuQCNNFsK4WQ+we+zxIh7aiTTCq1jhrkEpZ4s73/mScZ6rdw UTTfxfRnSpUdEk9WNoiGPi8pmUx+zhkKub9UtX+APTk0X/PDn4gvlO7TV A==; X-IronPort-AV: E=McAfee;i="6400,9594,10324"; a="264886003" X-IronPort-AV: E=Sophos;i="5.90,282,1643702400"; d="scan'208";a="264886003" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Apr 2022 09:24:48 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.90,282,1643702400"; d="scan'208";a="577979045" Received: from ahunter-desktop.fi.intel.com ([10.237.72.92]) by orsmga008.jf.intel.com with ESMTP; 22 Apr 2022 09:24:45 -0700 From: Adrian Hunter To: Arnaldo Carvalho de Melo Cc: Jiri Olsa , Ian Rogers , Alexey Bayduraev , Namhyung Kim , Leo Yan , linux-kernel@vger.kernel.org Subject: [PATCH RFC 15/21] perf intel-pt: Use evlist__add_system_wide_dummy() for switch tracking Date: Fri, 22 Apr 2022 19:23:56 +0300 Message-Id: <20220422162402.147958-16-adrian.hunter@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220422162402.147958-1-adrian.hunter@intel.com> References: <20220422162402.147958-1-adrian.hunter@intel.com> MIME-Version: 1.0 Organization: Intel Finland Oy, Registered Address: PL 281, 00181 Helsinki, Business Identity Code: 0357606 - 4, Domiciled in Helsinki Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Use evlist__add_system_wide_dummy() for switch tracking in preparation for allowing system-wide events on all CPUs while the user requested events are on only user requested CPUs. Signed-off-by: Adrian Hunter --- tools/perf/arch/x86/util/intel-pt.c | 13 +++---------- 1 file changed, 3 insertions(+), 10 deletions(-) diff --git a/tools/perf/arch/x86/util/intel-pt.c b/tools/perf/arch/x86/util/intel-pt.c index 2eaac4638aab..e45d64dec57c 100644 --- a/tools/perf/arch/x86/util/intel-pt.c +++ b/tools/perf/arch/x86/util/intel-pt.c @@ -811,18 +811,11 @@ static int intel_pt_recording_options(struct auxtrace_record *itr, if (!cpu_wide && perf_can_record_cpu_wide()) { struct evsel *switch_evsel; - err = parse_events(evlist, "dummy:u", NULL); - if (err) - return err; + switch_evsel = evlist__add_system_wide_dummy(evlist); + if (!switch_evsel) + return -ENOMEM; - switch_evsel = evlist__last(evlist); - - switch_evsel->core.attr.freq = 0; - switch_evsel->core.attr.sample_period = 1; switch_evsel->core.attr.context_switch = 1; - - switch_evsel->core.system_wide = true; - switch_evsel->no_aux_samples = true; switch_evsel->immediate = true; evsel__set_sample_bit(switch_evsel, TID); -- 2.25.1