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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 CY4PEPF0000E9D4.mail.protection.outlook.com (10.167.241.147) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.7409.10 via Frontend Transport; Thu, 28 Mar 2024 18:04:57 +0000 Received: from titanite-d354host.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 15.1.2507.35; Thu, 28 Mar 2024 13:04:56 -0500 From: Avadhut Naik To: , CC: , , , , , , Subject: [PATCH v5 1/2] tracing: Include PPIN in mce_record tracepoint Date: Thu, 28 Mar 2024 13:04:34 -0500 Message-ID: <20240328180435.435076-2-avadhut.naik@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240328180435.435076-1-avadhut.naik@amd.com> References: <20240328180435.435076-1-avadhut.naik@amd.com> Precedence: bulk X-Mailing-List: linux-edac@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain 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: CY4PEPF0000E9D4:EE_|PH0PR12MB5607:EE_ X-MS-Office365-Filtering-Correlation-Id: cb5c80bd-dd6a-4d27-0429-08dc4f519441 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: 28 Mar 2024 18:04:57.6908 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: cb5c80bd-dd6a-4d27-0429-08dc4f519441 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: CY4PEPF0000E9D4.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH0PR12MB5607 Machine Check Error information from struct mce is exported to userspace through the mce_record tracepoint. Currently, however, the PPIN (Protected Processor Inventory Number) field of struct mce is not exported through the tracepoint. Export PPIN through the tracepoint as it provides a unique identifier for the system (or socket in case of multi-socket systems) on which the MCE has been received. Additionally, also change words which are not acronyms from uppercase (ALL CAPS) to lowercase in tracepoint's output. Signed-off-by: Avadhut Naik Reviewed-by: Sohil Mehta Reviewed-by: Steven Rostedt (Google) Reviewed-by: Tony Luck --- include/trace/events/mce.h | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) diff --git a/include/trace/events/mce.h b/include/trace/events/mce.h index 1391ada0da3b..2e339ac9d706 100644 --- a/include/trace/events/mce.h +++ b/include/trace/events/mce.h @@ -9,6 +9,14 @@ #include #include +/* + * MCE Event Record. + * + * Only very relevant and transient information which cannot be + * gathered from a system by any other means or which can only be + * acquired arduously should be added to this record. + */ + TRACE_EVENT(mce_record, TP_PROTO(struct mce *m), @@ -25,6 +33,7 @@ TRACE_EVENT(mce_record, __field( u64, ipid ) __field( u64, ip ) __field( u64, tsc ) + __field( u64, ppin ) __field( u64, walltime ) __field( u32, cpu ) __field( u32, cpuid ) @@ -45,6 +54,7 @@ TRACE_EVENT(mce_record, __entry->ipid = m->ipid; __entry->ip = m->ip; __entry->tsc = m->tsc; + __entry->ppin = m->ppin; __entry->walltime = m->time; __entry->cpu = m->extcpu; __entry->cpuid = m->cpuid; @@ -55,7 +65,7 @@ TRACE_EVENT(mce_record, __entry->cpuvendor = m->cpuvendor; ), - TP_printk("CPU: %d, MCGc/s: %llx/%llx, MC%d: %016Lx, IPID: %016Lx, ADDR/MISC/SYND: %016Lx/%016Lx/%016Lx, RIP: %02x:<%016Lx>, TSC: %llx, PROCESSOR: %u:%x, TIME: %llu, SOCKET: %u, APIC: %x", + TP_printk("CPU: %d, MCGc/s: %llx/%llx, MC%d: %016Lx, IPID: %016Lx, ADDR/MISC/SYND: %016Lx/%016Lx/%016Lx, RIP: %02x:<%016Lx>, TSC: %llx, PPIN: %llx, processor: %u:%x, time: %llu, socket: %u, APIC: %x", __entry->cpu, __entry->mcgcap, __entry->mcgstatus, __entry->bank, __entry->status, @@ -63,6 +73,7 @@ TRACE_EVENT(mce_record, __entry->addr, __entry->misc, __entry->synd, __entry->cs, __entry->ip, __entry->tsc, + __entry->ppin, __entry->cpuvendor, __entry->cpuid, __entry->walltime, __entry->socketid, -- 2.34.1