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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 May 2025 14:28:59.8340 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 505eef1a-03d2-4469-c434-08dd8d738207 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: BL6PEPF0001AB51.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH2PR12MB4263 Content-Type: text/plain; charset="utf-8" As mentioned in Erratum 1583 from the Revision Guide for AMD Family 1Ah Models 00h-0Fh Processors available at the link below, PMCx18E reports incorrect information about instruction cache accesses on Zen 5 processors. Remove affected events and metrics. Link: https://bugzilla.kernel.org/attachment.cgi?id=3D308095 Fixes: 45c072f2537a ("perf vendor events amd: Add Zen 5 core events") Signed-off-by: Sandipan Das Cc: stable@vger.kernel.org --- .../arch/x86/amdzen5/inst-cache.json | 18 ------------------ .../arch/x86/amdzen5/recommended.json | 6 ------ 2 files changed, 24 deletions(-) diff --git a/tools/perf/pmu-events/arch/x86/amdzen5/inst-cache.json b/tools= /perf/pmu-events/arch/x86/amdzen5/inst-cache.json index ad75e5bf9513..4fd5e2c5432f 100644 --- a/tools/perf/pmu-events/arch/x86/amdzen5/inst-cache.json +++ b/tools/perf/pmu-events/arch/x86/amdzen5/inst-cache.json @@ -33,24 +33,6 @@ "BriefDescription": "Fetches tagged by Fetch IBS that result in a vali= d sample and an IBS interrupt.", "UMask": "0x10" }, - { - "EventName": "ic_tag_hit_miss.instruction_cache_hit", - "EventCode": "0x18e", - "BriefDescription": "Instruction cache hits.", - "UMask": "0x07" - }, - { - "EventName": "ic_tag_hit_miss.instruction_cache_miss", - "EventCode": "0x18e", - "BriefDescription": "Instruction cache misses.", - "UMask": "0x18" - }, - { - "EventName": "ic_tag_hit_miss.all_instruction_cache_accesses", - "EventCode": "0x18e", - "BriefDescription": "Instruction cache accesses of all types.", - "UMask": "0x1f" - }, { "EventName": "op_cache_hit_miss.op_cache_hit", "EventCode": "0x28f", diff --git a/tools/perf/pmu-events/arch/x86/amdzen5/recommended.json b/tool= s/perf/pmu-events/arch/x86/amdzen5/recommended.json index 635d57e3bc15..863f4b5dfc14 100644 --- a/tools/perf/pmu-events/arch/x86/amdzen5/recommended.json +++ b/tools/perf/pmu-events/arch/x86/amdzen5/recommended.json @@ -136,12 +136,6 @@ "MetricExpr": "d_ratio(op_cache_hit_miss.op_cache_miss, op_cache_hit_m= iss.all_op_cache_accesses)", "ScaleUnit": "100%" }, - { - "MetricName": "ic_fetch_miss_ratio", - "BriefDescription": "Instruction cache miss ratio for all fetches. 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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 May 2025 14:29:17.4398 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: f4985359-dd86-4df8-67e3-08dd8d738c86 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: BL6PEPF0001AB4D.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH3PR12MB7763 Content-Type: text/plain; charset="utf-8" As mentioned in Erratum 1569 from the Revision Guide for AMD Family 1Ah Models 00h-0Fh Processors available at the link below, PMCx078 reports incorrect information about TLB flushes on Zen 5 processors. Remove affected events and metrics. Link: https://bugzilla.kernel.org/attachment.cgi?id=3D308095 Fixes: 45c072f2537a ("perf vendor events amd: Add Zen 5 core events") Signed-off-by: Sandipan Das Cc: stable@vger.kernel.org --- tools/perf/pmu-events/arch/x86/amdzen5/load-store.json | 6 ------ tools/perf/pmu-events/arch/x86/amdzen5/recommended.json | 7 ------- 2 files changed, 13 deletions(-) diff --git a/tools/perf/pmu-events/arch/x86/amdzen5/load-store.json b/tools= /perf/pmu-events/arch/x86/amdzen5/load-store.json index ff6627a77805..f23a92bf55ac 100644 --- a/tools/perf/pmu-events/arch/x86/amdzen5/load-store.json +++ b/tools/perf/pmu-events/arch/x86/amdzen5/load-store.json @@ -502,12 +502,6 @@ "EventCode": "0x76", "BriefDescription": "Core cycles not in halt." }, - { - "EventName": "ls_tlb_flush.all", - "EventCode": "0x78", - "BriefDescription": "All TLB Flushes.", - "UMask": "0xff" - }, { "EventName": "ls_not_halted_p0_cyc.p0_freq_cyc", "EventCode": "0x120", diff --git a/tools/perf/pmu-events/arch/x86/amdzen5/recommended.json b/tool= s/perf/pmu-events/arch/x86/amdzen5/recommended.json index 863f4b5dfc14..6b32308b1c3a 100644 --- a/tools/perf/pmu-events/arch/x86/amdzen5/recommended.json +++ b/tools/perf/pmu-events/arch/x86/amdzen5/recommended.json @@ -241,13 +241,6 @@ "MetricGroup": "tlb", "ScaleUnit": "1e3per_1k_instr" }, - { - "MetricName": "all_tlbs_flushed_pti", - "BriefDescription": "All TLBs flushed per thousand instructions.", - "MetricExpr": "ls_tlb_flush.all / instructions", - "MetricGroup": "tlb", - "ScaleUnit": "1e3per_1k_instr" - }, { "MetricName": "macro_ops_dispatched", "BriefDescription": "Macro-ops dispatched.", --=20 2.43.0 From nobody Mon Dec 15 21:26:26 2025 Received: from NAM11-BN8-obe.outbound.protection.outlook.com (mail-bn8nam11on2055.outbound.protection.outlook.com [40.107.236.55]) (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 C6D742036FE; 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Wed, 7 May 2025 09:29:30 -0500 From: Sandipan Das To: , CC: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Mark Rutland , "Alexander Shishkin" , Jiri Olsa , Ian Rogers , Adrian Hunter , "Kan Liang" , Stephane Eranian , Ravi Bangoria , Ananth Narayan , Sandipan Das , Subject: [PATCH 3/3] perf vendor events amd: Remove Zen 5 IBS fetch event Date: Wed, 7 May 2025 19:58:29 +0530 Message-ID: <826b1fc26b97eb040c784bbf43f9ad666b7822b1.1746627307.git.sandipan.das@amd.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable 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: BL6PEPF0001AB50:EE_|DM4PR12MB5724:EE_ X-MS-Office365-Filtering-Correlation-Id: 1bb2208a-04c3-45a8-d2c1-08dd8d739713 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|7416014|376014|82310400026|36860700013|1800799024|13003099007; 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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 May 2025 14:29:35.1082 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 1bb2208a-04c3-45a8-d2c1-08dd8d739713 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: BL6PEPF0001AB50.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM4PR12MB5724 Content-Type: text/plain; charset="utf-8" As mentioned in Erratum 1544 from the Revision Guide for AMD Family 1Ah Models 00h-0Fh Processors available at the link below, PMCx188 reports incorrect information about valid IBS fetch samples when used with unit mask 0x10 on Zen 5 processors. Remove affected events and metrics. Link: https://bugzilla.kernel.org/attachment.cgi?id=3D308095 Fixes: 45c072f2537a ("perf vendor events amd: Add Zen 5 core events") Signed-off-by: Sandipan Das Cc: stable@vger.kernel.org --- tools/perf/pmu-events/arch/x86/amdzen5/inst-cache.json | 6 ------ 1 file changed, 6 deletions(-) diff --git a/tools/perf/pmu-events/arch/x86/amdzen5/inst-cache.json b/tools= /perf/pmu-events/arch/x86/amdzen5/inst-cache.json index 4fd5e2c5432f..3b61cf8a04da 100644 --- a/tools/perf/pmu-events/arch/x86/amdzen5/inst-cache.json +++ b/tools/perf/pmu-events/arch/x86/amdzen5/inst-cache.json @@ -27,12 +27,6 @@ "BriefDescription": "Fetches discarded after being tagged by Fetch IBS= due to IBS filtering.", "UMask": "0x08" }, - { - "EventName": "ic_fetch_ibs_events.sample_valid", - "EventCode": "0x188", - "BriefDescription": "Fetches tagged by Fetch IBS that result in a vali= d sample and an IBS interrupt.", - "UMask": "0x10" - }, { "EventName": "op_cache_hit_miss.op_cache_hit", "EventCode": "0x28f", --=20 2.43.0