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[2620:137:e000::3:2]) by mx.google.com with ESMTPS id r73-20020a632b4c000000b005b99bfe3301si2822112pgr.462.2023.11.07.10.41.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 07 Nov 2023 10:41:07 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:2 as permitted sender) client-ip=2620:137:e000::3:2; Authentication-Results: mx.google.com; dkim=pass header.i=@intel.com header.s=Intel header.b=jdj2mgk4; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:2 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by agentk.vger.email (Postfix) with ESMTP id DF41B80873A9; Tue, 7 Nov 2023 10:40:42 -0800 (PST) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.11 at agentk.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231540AbjKGSk0 (ORCPT + 32 others); Tue, 7 Nov 2023 13:40:26 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42752 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229565AbjKGSkZ (ORCPT ); Tue, 7 Nov 2023 13:40:25 -0500 Received: from mgamail.intel.com (mgamail.intel.com [192.55.52.136]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7DA6F12B; Tue, 7 Nov 2023 10:40:23 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1699382423; x=1730918423; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=K0VNtu18XupFGGixMLkWpky1YTjIXhLMqucmTQYHaMs=; b=jdj2mgk4hnFPhYu+iFSFsJQrNf5JPn0tgUzOf4YQjtkBSPi5ZAegeDrW iwvdRfXcTZJYLK2bEq0dDISoBespVN58lrpxWZJtL2iA/pBemD31GWS3O gsye/0x1bLEUbk12H6FbleRhxAoauKXHJbRagtlh1gXNBl7Afgf1+9ULW 4thDt03ZDL4HDkJEW4w0SmUedpQG9ENjveOltNeUVFIK+eAUQ7iBytlJY lhAbkpD+TCeqBpJZMUJPKQNRYlM0McFL+4IQ70g2O43c0Br92GPF1q39j +jUTHKk8Y+aLkioC+L6YlIZWl0GZ6HsrrqPphnOrek1SUNVKsq+eldRBw g==; X-IronPort-AV: E=McAfee;i="6600,9927,10887"; a="368925010" X-IronPort-AV: E=Sophos;i="6.03,284,1694761200"; d="scan'208";a="368925010" Received: from orsmga006.jf.intel.com ([10.7.209.51]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Nov 2023 10:40:23 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10887"; a="739227341" X-IronPort-AV: E=Sophos;i="6.03,284,1694761200"; d="scan'208";a="739227341" Received: from kanliang-dev.jf.intel.com ([10.165.154.102]) by orsmga006.jf.intel.com with ESMTP; 07 Nov 2023 10:40:22 -0800 From: kan.liang@linux.intel.com To: acme@kernel.org, irogers@google.com, linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org Cc: peterz@infradead.org, mingo@redhat.com, jolsa@kernel.org, namhyung@kernel.org, adrian.hunter@intel.com, tinghao.zhang@intel.com, Kan Liang Subject: [PATCH V2] perf test: Basic branch counter support Date: Tue, 7 Nov 2023 10:40:20 -0800 Message-Id: <20231107184020.1497571-1-kan.liang@linux.intel.com> X-Mailer: git-send-email 2.35.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (agentk.vger.email [0.0.0.0]); Tue, 07 Nov 2023 10:40:42 -0800 (PST) X-Spam-Status: No, score=-0.8 required=5.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on agentk.vger.email X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1781928096356208297 X-GMAIL-MSGID: 1781931670278871306 From: Kan Liang Add a basic test for the branch counter feature. The test verifies that - The new filter can be successfully applied on the supported platforms. - The counter value can be outputted via the perf report -D Signed-off-by: Kan Liang Tested-by: Ian Rogers --- Changes since V2: - Update the output msg for the skipped case (Ian) tools/perf/tests/shell/record.sh | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/tools/perf/tests/shell/record.sh b/tools/perf/tests/shell/record.sh index 4fbc74805d52..cc207a16ae24 100755 --- a/tools/perf/tests/shell/record.sh +++ b/tools/perf/tests/shell/record.sh @@ -11,6 +11,9 @@ err=0 perfdata=$(mktemp /tmp/__perf_test.perf.data.XXXXX) testprog="perf test -w thloop" testsym="test_loop" +cpu_pmu_dir="/sys/bus/event_source/devices/cpu*" +br_cntr_file="/caps/branch_counter_nr" +br_cntr_output="branch stack counters" cleanup() { rm -rf "${perfdata}" @@ -154,10 +157,37 @@ test_workload() { echo "Basic target workload test [Success]" } +test_branch_counter() { + echo "Basic branch counter test" + # Check if the branch counter feature is supported + for dir in $cpu_pmu_dir + do + if [ ! -e "$dir$br_cntr_file" ] + then + echo "branch counter feature not supported on all core PMUs ($dir) [Skipped]" + return + fi + done + if ! perf record -o "${perfdata}" -j any,counter ${testprog} 2> /dev/null + then + echo "Basic branch counter test [Failed record]" + err=1 + return + fi + if ! perf report -i "${perfdata}" -D -q | grep -q "$br_cntr_output" + then + echo "Basic branch record test [Failed missing output]" + err=1 + return + fi + echo "Basic branch counter test [Success]" +} + test_per_thread test_register_capture test_system_wide test_workload +test_branch_counter cleanup exit $err