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 66F41C433EF for ; Tue, 24 May 2022 07:56:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235614AbiEXHz4 (ORCPT ); Tue, 24 May 2022 03:55:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60472 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235523AbiEXHz2 (ORCPT ); Tue, 24 May 2022 03:55:28 -0400 Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 84F6D9A991 for ; Tue, 24 May 2022 00:55:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1653378920; x=1684914920; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=KNMAtJ9vAz9UQl/ElaKVD54mWn81+SRdQsKEQHlDlas=; b=KXKV043rxLQmKeEfyjmZbJBBIyM4QyxHaf+NSqrAbY18T098x50g3hDy p/qlQMg2uzLWbfSMcWSrOyixqpluwaKtRhoHRPE7I3o4GfGcrWM4Wg9xN nOn9bLIyqWWati18+IlJweMmU8UVD+BmuchRH0NtvHPr1Ccriy0pE16W6 dW+MJ7NqBxnzKfhuUGl+sRucQXMFdR+oR+2VrkoJhwiEM3ywhlnKIXAS/ 41ZxXtj3xD8y5rXEKP4cdbEyL4RrrQI8iRebgfBlHFHHpKJ5bkiSBukhp XXtTm8GwIr+8k5MJ9fuXCcIwXVmMCDAz41DW+PBWoPmp5L/nhYB78Mz2j A==; X-IronPort-AV: E=McAfee;i="6400,9594,10356"; a="273455460" X-IronPort-AV: E=Sophos;i="5.91,248,1647327600"; d="scan'208";a="273455460" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 May 2022 00:55:20 -0700 X-IronPort-AV: E=Sophos;i="5.91,248,1647327600"; d="scan'208";a="717072402" Received: from ahunter6-mobl1.ger.corp.intel.com (HELO ahunter-VirtualBox.home\044ger.corp.intel.com) ([10.252.52.210]) by fmsmga001-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 May 2022 00:55:18 -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 V4 07/15] perf intel-pt: Use evlist__add_dummy_on_all_cpus() for switch tracking Date: Tue, 24 May 2022 10:54:28 +0300 Message-Id: <20220524075436.29144-8-adrian.hunter@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220524075436.29144-1-adrian.hunter@intel.com> References: <20220524075436.29144-1-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_dummy_on_all_cpus() for switch tracking in preparation for allowing system-wide events on all CPUs while the user requested events are on only user requested CPUs. Acked-by: Ian Rogers Acked-by: Namhyung Kim 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..0ee93894a0da 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_dummy_on_all_cpus(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