From patchwork Mon Oct 14 10:51:24 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Adrian Hunter X-Patchwork-Id: 835280 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.13]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E32FE19DF45; Mon, 14 Oct 2024 10:54:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.13 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728903258; cv=none; b=ExlDOTPnKA87o9+kUR9TTGS6hlvMXVBDfcaQdVL5C7dRuhddbnw6484Esu6Ex5KnX0nyVzAwy2W8STkSHCXbtgwIlBQme6Y16d9FWoCm/PLy7ffqWO2JvsWOEPC0WpFvMq4oPdfJcyJvmIkRURUWbKFaH49NTDztCPXUxI5lwA8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728903258; c=relaxed/simple; bh=F6eTrN/gp7G7YKPqRXWeb3wd7Rb9UIpk0XhBK01kcM0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=TfCvm2egEWhDtaL8Mkr3jMF5205AewNx2R1XoEXd1kHGZ7/BsjTqIxvRMDB8555EsqM9fzCEMM5/9M9jmNyPC5zAtb74j8iFvs8DCDlLBZA2vHgazYLiiXGiQJE7JfxJx4rayf60fAbUvLFCkEYPvXOUuOO4TzRlT4sVmD/6Nyw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=aaFqD4R6; arc=none smtp.client-ip=198.175.65.13 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="aaFqD4R6" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1728903257; x=1760439257; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=F6eTrN/gp7G7YKPqRXWeb3wd7Rb9UIpk0XhBK01kcM0=; b=aaFqD4R6gKNZ4+KIFYpMrO6oHz2PfO2rKpV51ZhptissL6Z4hpldK06L plbS5nTfANHize5MpLQYltjH1FQsBRmGptBlpbvWKnG/rUorWka5brd+e wJ9gx9V4eiv4Wfg647ZzQ3FCNfEeEbWCk9d2gOKdoMxHxVNtkw9cEFAXo ddDnxo7NAsCjxu9GPDpcZxPeSkrGdDW1q/jKYipKYYLOLDHK+rIfGxOna BXiR/prDK9imk/NEIoBbNbVenWg79XT98sJwoxGiWrVx1qWeNN5d9UGim kxbm+t58LzEcTODG90T8Ebb9sqvJwCGXXFLNU4nYN52hv13DkNxZ83soJ A==; X-CSE-ConnectionGUID: 3GgqfxyUTxa4y2cLUMlIOQ== X-CSE-MsgGUID: mHpsH5e5RDSSbnEaL4XqJg== X-IronPort-AV: E=McAfee;i="6700,10204,11222"; a="39366490" X-IronPort-AV: E=Sophos;i="6.11,199,1725346800"; d="scan'208";a="39366490" Received: from orviesa006.jf.intel.com ([10.64.159.146]) by orvoesa105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Oct 2024 03:54:16 -0700 X-CSE-ConnectionGUID: aJPfyMk1TIOzN4x4e5imFg== X-CSE-MsgGUID: IEqUleN2QkuvKAx1v6x0Aw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.11,202,1725346800"; d="scan'208";a="77727556" Received: from ahunter6-mobl1.ger.corp.intel.com (HELO localhost.localdomain) ([10.245.115.59]) by orviesa006-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Oct 2024 03:54:05 -0700 From: Adrian Hunter To: Peter Zijlstra , Sean Christopherson , Paolo Bonzini Cc: Ingo Molnar , Mark Rutland , Alexander Shishkin , Heiko Carstens , Thomas Richter , Hendrik Brueckner , Suzuki K Poulose , Mike Leach , James Clark , coresight@lists.linaro.org, linux-arm-kernel@lists.infradead.org, Yicong Yang , Jonathan Cameron , Will Deacon , Arnaldo Carvalho de Melo , Jiri Olsa , Namhyung Kim , Ian Rogers , Andi Kleen , Thomas Gleixner , Borislav Petkov , Dave Hansen , x86@kernel.org, H Peter Anvin , Kan Liang , Zhenyu Wang , mizhang@google.com, kvm@vger.kernel.org, Shuah Khan , linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org Subject: [PATCH V13 14/14] perf intel-pt: Add a test for pause / resume Date: Mon, 14 Oct 2024 13:51:24 +0300 Message-ID: <20241014105124.24473-15-adrian.hunter@intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241014105124.24473-1-adrian.hunter@intel.com> References: <20241014105124.24473-1-adrian.hunter@intel.com> Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Organization: Intel Finland Oy, Registered Address: PL 281, 00181 Helsinki, Business Identity Code: 0357606 - 4, Domiciled in Helsinki Add a simple sub-test to the "Miscellaneous Intel PT testing" test to check pause / resume. Signed-off-by: Adrian Hunter Acked-by: Ian Rogers Reviewed-by: Andi Kleen --- tools/perf/tests/shell/test_intel_pt.sh | 28 +++++++++++++++++++++++++ 1 file changed, 28 insertions(+) diff --git a/tools/perf/tests/shell/test_intel_pt.sh b/tools/perf/tests/shell/test_intel_pt.sh index 723ec501f99a..e359db0d0ff2 100755 --- a/tools/perf/tests/shell/test_intel_pt.sh +++ b/tools/perf/tests/shell/test_intel_pt.sh @@ -644,6 +644,33 @@ test_pipe() return 0 } +test_pause_resume() +{ + echo "--- Test with pause / resume ---" + if ! perf_record_no_decode -o "${perfdatafile}" -e intel_pt/aux-action=start-paused/u uname ; then + echo "SKIP: pause / resume is not supported" + return 2 + fi + if ! perf_record_no_bpf -o "${perfdatafile}" \ + -e intel_pt/aux-action=start-paused/u \ + -e instructions/period=50000,aux-action=resume,name=Resume/u \ + -e instructions/period=100000,aux-action=pause,name=Pause/u uname ; then + echo "perf record with pause / resume failed" + return 1 + fi + if ! perf script -i "${perfdatafile}" --itrace=b -Fperiod,event | \ + awk 'BEGIN {paused=1;branches=0} + /Resume/ {paused=0} + /branches/ {if (paused) exit 1;branches=1} + /Pause/ {paused=1} + END {if (!branches) exit 1}' ; then + echo "perf record with pause / resume failed" + return 1 + fi + echo OK + return 0 +} + count_result() { if [ "$1" -eq 2 ] ; then @@ -672,6 +699,7 @@ test_power_event || ret=$? ; count_result $ret ; ret=0 test_no_tnt || ret=$? ; count_result $ret ; ret=0 test_event_trace || ret=$? ; count_result $ret ; ret=0 test_pipe || ret=$? ; count_result $ret ; ret=0 +test_pause_resume || ret=$? ; count_result $ret ; ret=0 cleanup