[PATCH v2 2/2] tracing: Include Microcode Revision in mce_record tracepoint
From: Avadhut Naik <avadhut.naik@amd.com>
Date: 2024-01-25 18:49:31
Also in:
linux-edac, lkml
Subsystem:
the rest, tracing · Maintainers:
Linus Torvalds, Steven Rostedt, Masami Hiramatsu
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 <avadhut.naik@amd.com> --- 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 */
--
2.34.1