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client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C Received: from SATLEXMB04.amd.com (165.204.84.17) by DS1PEPF0000E659.mail.protection.outlook.com (10.167.18.71) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.5880.8 via Frontend Transport; Tue, 6 Dec 2022 04:33:18 +0000 Received: from BLR-5CG113396H.amd.com (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.34; Mon, 5 Dec 2022 22:33:12 -0600 From: Ravi Bangoria To: CC: , , , , , , , , , , , , , , , , , , , Subject: [PATCH v3 0/2] perf test: Add event group test Date: Tue, 6 Dec 2022 10:02:35 +0530 Message-ID: <20221206043237.12159-1-ravi.bangoria@amd.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB04.amd.com (10.181.40.145) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DS1PEPF0000E659:EE_|CY8PR12MB7657:EE_ X-MS-Office365-Filtering-Correlation-Id: 74db905c-1c53-402b-20a3-08dad742ffa2 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 06 Dec 2022 04:33:18.2193 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 74db905c-1c53-402b-20a3-08dad742ffa2 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: DS1PEPF0000E659.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY8PR12MB7657 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Multiple events in a group can belong to one or more pmus, however there are some limitations to it. One of the limitation is, perf doesn't allow creating a group of events from different hw pmus. Write a simple test to create various combinations of hw, sw and uncore pmu events and verify group creation succeeds or fails as expected. v2: https://lore.kernel.org/r/20221129111946.409-1-ravi.bangoria@amd.com v2->v3: - Define a set of uncore pmus that supports more than 3 events. This will prevent false negative results by not picking random uncore pmu. Test will be skipped if no uncore pmu found. Ravi Bangoria (2): perf tool: Move pmus list variable to new a file perf test: Add event group test tools/perf/tests/Build | 1 + tools/perf/tests/builtin-test.c | 1 + tools/perf/tests/event_groups.c | 127 ++++++++++++++++++++++++++++++++ tools/perf/tests/tests.h | 1 + tools/perf/util/Build | 1 + tools/perf/util/pmu.c | 2 +- tools/perf/util/pmus.c | 5 ++ tools/perf/util/pmus.h | 9 +++ 8 files changed, 146 insertions(+), 1 deletion(-) create mode 100644 tools/perf/tests/event_groups.c create mode 100644 tools/perf/util/pmus.c create mode 100644 tools/perf/util/pmus.h -- 2.38.1