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[195.38.112.2]) by smtp.gmail.com with ESMTPSA id z1-20020a170906668100b00a474b7bbc76sm1588795ejo.56.2024.03.29.00.11.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 29 Mar 2024 00:11:29 -0700 (PDT) Sender: Ingo Molnar Date: Fri, 29 Mar 2024 08:11:27 +0100 From: Ingo Molnar To: Avadhut Naik Cc: linux-trace-kernel@vger.kernel.org, linux-edac@vger.kernel.org, rostedt@goodmis.org, tony.luck@intel.com, bp@alien8.de, x86@kernel.org, sohil.mehta@intel.com, yazen.ghannam@amd.com, avadnaik@amd.com Subject: [PATCH] x86/mce: Clean up TP_printk() output line of the mce_record tracepoint Message-ID: References: <20240328180435.435076-1-avadhut.naik@amd.com> <20240328180435.435076-2-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-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240328180435.435076-2-avadhut.naik@amd.com> * Avadhut Naik wrote: > > +/* > + * 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", Please split out the other (capitalization) changes to the output into a separate patch. - While at it, don't forget to: s/ADDR/MISC/SYND /addr/misc/synd - Also, it's a bit weird that we have 'CPU' but also 'processor' fields, why isn't it 'vendor' and 'CPUID'? - Finally, why are some fields 'merged' as per ADDR/MISC/SYND, while others are listed separately? All that have separate names should be listed separately. Ie. something like the patch below? Thanks, Ingo ============> From: Ingo Molnar Date: Fri, 29 Mar 2024 08:09:23 +0100 Subject: [PATCH] x86/mce: Clean up TP_printk() output line of the mce_record tracepoint - Only capitalize entries where that makes sense - Print separate values separately - Rename 'PROCESSOR' to vendor & CPUID Signed-off-by: Ingo Molnar --- include/trace/events/mce.h | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/include/trace/events/mce.h b/include/trace/events/mce.h index 1391ada0da3b..c5b0523f25ee 100644 --- a/include/trace/events/mce.h +++ b/include/trace/events/mce.h @@ -55,15 +55,18 @@ 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: %016Lx, misc: %016Lx, SYND: %016Lx, RIP: %02x:<%016Lx>, TSC: %llx, vendor: %u, CPUID: %x, time: %llu, socket: %u, APIC: %x", __entry->cpu, __entry->mcgcap, __entry->mcgstatus, __entry->bank, __entry->status, __entry->ipid, - __entry->addr, __entry->misc, __entry->synd, + __entry->addr, + __entry->misc, + __entry->synd, __entry->cs, __entry->ip, __entry->tsc, - __entry->cpuvendor, __entry->cpuid, + __entry->cpuvendor, + __entry->cpuid, __entry->walltime, __entry->socketid, __entry->apicid)