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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 MWH0EPF000989E8.mail.protection.outlook.com (10.167.241.135) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.7202.16 via Frontend Transport; Thu, 25 Jan 2024 18:49:26 +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 15.1.2507.34; Thu, 25 Jan 2024 12:49:24 -0600 From: Avadhut Naik To: , CC: , , , , , , Subject: [PATCH v2 2/2] tracing: Include Microcode Revision in mce_record tracepoint Date: Thu, 25 Jan 2024 12:48:57 -0600 Message-ID: <20240125184857.851355-3-avadhut.naik@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240125184857.851355-1-avadhut.naik@amd.com> References: <20240125184857.851355-1-avadhut.naik@amd.com> Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 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: MWH0EPF000989E8:EE_|IA1PR12MB8078:EE_ X-MS-Office365-Filtering-Correlation-Id: 4262f079-1670-4a8a-f45e-08dc1dd65afa 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: 25 Jan 2024 18:49:26.4964 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 4262f079-1670-4a8a-f45e-08dc1dd65afa 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: MWH0EPF000989E8.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: IA1PR12MB8078 Currently, the microcode field (Microcode Revision) of struct mce is not exported to userspace through the mce_record tracepoint. Export it through the tracepoint as it may provide useful information for debug and analysis. Signed-off-by: Avadhut Naik Reviewed-by: Sohil Mehta --- include/trace/events/mce.h | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/include/trace/events/mce.h b/include/trace/events/mce.h index 657b93ec8176..203baccd3c5c 100644 --- a/include/trace/events/mce.h +++ b/include/trace/events/mce.h @@ -34,6 +34,7 @@ TRACE_EVENT(mce_record, __field( u8, cs ) __field( u8, bank ) __field( u8, cpuvendor ) + __field( u32, microcode ) ), TP_fast_assign( @@ -55,9 +56,10 @@ TRACE_EVENT(mce_record, __entry->cs = m->cs; __entry->bank = m->bank; __entry->cpuvendor = m->cpuvendor; + __entry->microcode = m->microcode; ), - 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", + 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, MICROCODE REVISION: %u", __entry->cpu, __entry->mcgcap, __entry->mcgstatus, __entry->bank, __entry->status, @@ -69,7 +71,8 @@ TRACE_EVENT(mce_record, __entry->cpuvendor, __entry->cpuid, __entry->walltime, __entry->socketid, - __entry->apicid) + __entry->apicid, + __entry->microcode) ); #endif /* _TRACE_MCE_H */