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 D8A18C41513 for ; Fri, 4 Aug 2023 07:07:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233983AbjHDHHV (ORCPT ); Fri, 4 Aug 2023 03:07:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54118 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233975AbjHDHHS (ORCPT ); Fri, 4 Aug 2023 03:07:18 -0400 Received: from mgamail.intel.com (mgamail.intel.com [192.55.52.115]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 275541724; Fri, 4 Aug 2023 00:07:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1691132838; x=1722668838; h=message-id:date:mime-version:subject:to:references:from: in-reply-to:content-transfer-encoding; bh=XhBnO7O38nhcyi4NaA+y0fGHzyCETSMIHKwkyQg/vr8=; b=cRuA5PJXKI6Pr7iZMMdwfJFejLcAnfVjN0WEQt5E26CygcUFAkF+p97M tVbmH8yeks6NL0EyIwVF6sAx0B/TJUUuVt2IVKDI8FlyiLnaV/ACC8YTW 6Y8IZM3cShO7lmhdkG6gBx6WzqwX8pjEl8uZpJskNErnwYTS4pX1TCmac Cr07Cb0UBpaG+NWegAlVdWMnc3wWhvrioP4uqTI3C1KrJpnSJ2BHe4NQd G4C5tF7slSCHLfFj/VAAu8B/GpXZsvYrrohw45EM0vq+vHBChB0bhnS3O 77O7D0Hu28uP9yi2cf9Yp2uzGp4COrLA0xXvuvUZ4BN0f6L4ICkqw3PYS Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10791"; a="370074613" X-IronPort-AV: E=Sophos;i="6.01,254,1684825200"; d="scan'208";a="370074613" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Aug 2023 00:07:17 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10791"; a="795280483" X-IronPort-AV: E=Sophos;i="6.01,254,1684825200"; d="scan'208";a="795280483" Received: from ahunter6-mobl1.ger.corp.intel.com (HELO [10.0.2.15]) ([10.252.37.129]) by fmsmga008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Aug 2023 00:07:12 -0700 Message-ID: Date: Fri, 4 Aug 2023 10:07:09 +0300 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Firefox/102.0 Thunderbird/102.13.1 Subject: Re: [PATCH v5 6/7] perf test: Add test case for record sideband events Content-Language: en-US To: Yang Jihong , peterz@infradead.org, mingo@redhat.com, acme@kernel.org, mark.rutland@arm.com, alexander.shishkin@linux.intel.com, jolsa@kernel.org, namhyung@kernel.org, irogers@google.com, kan.liang@linux.intel.com, james.clark@arm.com, tmricht@linux.ibm.com, ak@linux.intel.com, anshuman.khandual@arm.com, linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org References: <20230804020741.99806-1-yangjihong1@huawei.com> <20230804020741.99806-7-yangjihong1@huawei.com> From: Adrian Hunter Organization: Intel Finland Oy, Registered Address: PL 281, 00181 Helsinki, Business Identity Code: 0357606 - 4, Domiciled in Helsinki In-Reply-To: <20230804020741.99806-7-yangjihong1@huawei.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 4/08/23 05:07, Yang Jihong wrote: > Add a new test case to record sideband events for all CPUs when tracing > selected CPUs > > Test result: > > # ./perf test list 2>&1 | grep 'perf record sideband tests' > 95: perf record sideband tests > # ./perf test 95 > 95: perf record sideband tests : Ok > > Signed-off-by: Yang Jihong Tested-by: Adrian Hunter > --- > tools/perf/tests/shell/record_sideband.sh | 44 +++++++++++++++++++++++ > 1 file changed, 44 insertions(+) > create mode 100755 tools/perf/tests/shell/record_sideband.sh > > diff --git a/tools/perf/tests/shell/record_sideband.sh b/tools/perf/tests/shell/record_sideband.sh > new file mode 100755 > index 000000000000..2ecf00011cb1 > --- /dev/null > +++ b/tools/perf/tests/shell/record_sideband.sh > @@ -0,0 +1,44 @@ > +#!/bin/sh > +# perf record sideband tests > +# SPDX-License-Identifier: GPL-2.0 > + > +set -e > + > +err=0 > +perfdata=$(mktemp /tmp/__perf_test.perf.data.XXXXX) > + > +can_cpu_wide() > +{ > + if ! perf record -o ${perfdata} -BN --no-bpf-event -C $1 true 2>&1 >/dev/null > + then > + echo "record sideband test [Skipped cannot record cpu$1]" > + err=2 > + fi > + > + rm -f ${perfdata} > + return $err > +} > + > +test_system_wide_tracking() > +{ > + # Need CPU 0 and CPU 1 > + can_cpu_wide 0 || return 0 > + can_cpu_wide 1 || return 0 > + > + # Record on CPU 0 a task running on CPU 1 > + perf record -BN --no-bpf-event -o ${perfdata} -C 0 -- taskset --cpu-list 1 true > + > + # Should get MMAP events from CPU 1 > + mmap_cnt=`perf script -i ${perfdata} --show-mmap-events -C 1 2>/dev/null | grep MMAP | wc -l` > + > + rm -f ${perfdata} > + > + if [ ${mmap_cnt} -gt 0 ] ; then > + return 0 > + fi > + > + echo "Failed to record MMAP events on CPU 1 when tracing CPU 0" > + return 1 > +} > + > +test_system_wide_tracking