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Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C Received: from SATLEXMB04.amd.com (165.204.84.17) by DM6NAM11FT025.mail.protection.outlook.com (10.13.172.197) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.6178.18 via Frontend Transport; Thu, 9 Mar 2023 10:12:13 +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; Thu, 9 Mar 2023 04:12:07 -0600 From: Ravi Bangoria To: CC: , , , , , , , , , , , , , Subject: [PATCH v2 0/3] perf/ibs: Fix interface via core pmu events Date: Thu, 9 Mar 2023 15:41:08 +0530 Message-ID: <20230309101111.444-1-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: SATLEXMB03.amd.com (10.181.40.144) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DM6NAM11FT025:EE_|PH0PR12MB5450:EE_ X-MS-Office365-Filtering-Correlation-Id: 1d7f3283-3841-4988-aa04-08db2086c0c8 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: 09 Mar 2023 10:12:13.4358 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 1d7f3283-3841-4988-aa04-08db2086c0c8 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: DM6NAM11FT025.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH0PR12MB5450 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org IBS used to allow event creation via core pmu events with precise_ip attribute set, but it's broken since late 2019. 1st patch does pre- req changes, 2nd patch fixes the issue and 3rd patch adds simple perf test for the same. v1: https://lore.kernel.org/r/20230302092109.367-1-ravi.bangoria@amd.com v1->v2: - Instead of using pmu capability, use error code -ESRCH to forward the event to different pmu. - Rebase on v6.3-rc1 Ravi Bangoria (3): perf/ibs: Introduce ibs_core_pmu_event() perf/ibs: Fix interface via core pmu events perf test: Add selftest to test IBS invocation via core pmu events arch/x86/events/amd/core.c | 11 +++-- arch/x86/events/amd/ibs.c | 52 +++++++++++---------- arch/x86/include/asm/perf_event.h | 2 + kernel/events/core.c | 10 ++++- tools/perf/tests/Build | 1 + tools/perf/tests/builtin-test.c | 1 + tools/perf/tests/ibs-via-core-pmu.c | 70 +++++++++++++++++++++++++++++ tools/perf/tests/tests.h | 1 + 8 files changed, 121 insertions(+), 27 deletions(-) create mode 100644 tools/perf/tests/ibs-via-core-pmu.c -- 2.39.2