2 files changed, 75 insertions, 0 deletions

diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c
index b1598a9436d0..39caea3d8bc3 100644
--- a/arch/x86/kernel/cpu/mcheck/mce.c
+++ b/arch/x86/kernel/cpu/mcheck/mce.c
@@ -46,6 +46,9 @@
 
 #include "mce-internal.h"
 
+#define CREATE_TRACE_POINTS
+#include <trace/events/mce.h>
+
 int mce_disabled __read_mostly;
 
 #define MISC_MCELOG_MINOR       227
@@ -141,6 +144,9 @@ void mce_log(struct mce *mce)
 {
         unsigned next, entry;
 
+        /* Emit the trace record: */
+        trace_mce_record(mce);
+
         mce->finished = 0;
         wmb();
         for (;;) {
diff --git a/include/trace/events/mce.h b/include/trace/events/mce.h
new file mode 100644
index 000000000000..7eee77895cb3
--- /dev/null
+++ b/include/trace/events/mce.h
@@ -0,0 +1,69 @@
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM mce
+
+#if !defined(_TRACE_MCE_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_MCE_H
+
+#include <linux/ktime.h>
+#include <linux/tracepoint.h>
+#include <asm/mce.h>
+
+TRACE_EVENT(mce_record,
+
+        TP_PROTO(struct mce *m),
+
+        TP_ARGS(m),
+
+        TP_STRUCT__entry(
+                __field(        u64,            mcgcap          )
+                __field(        u64,            mcgstatus       )
+                __field(        u8,             bank            )
+                __field(        u64,            status          )
+                __field(        u64,            addr            )
+                __field(        u64,            misc            )
+                __field(        u64,            ip              )
+                __field(        u8,             cs              )
+                __field(        u64,            tsc             )
+                __field(        u64,            walltime        )
+                __field(        u32,            cpu             )
+                __field(        u32,            cpuid           )
+                __field(        u32,            apicid          )
+                __field(        u32,            socketid        )
+                __field(        u8,             cpuvendor       )
+        ),
+
+        TP_fast_assign(
+                __entry->mcgcap         = m->mcgcap;
+                __entry->mcgstatus      = m->mcgstatus;
+                __entry->bank           = m->bank;
+                __entry->status         = m->status;
+                __entry->addr           = m->addr;
+                __entry->misc           = m->misc;
+                __entry->ip             = m->ip;
+                __entry->cs             = m->cs;
+                __entry->tsc            = m->tsc;
+                __entry->walltime       = m->time;
+                __entry->cpu            = m->extcpu;
+                __entry->cpuid          = m->cpuid;
+                __entry->apicid         = m->apicid;
+                __entry->socketid       = m->socketid;
+                __entry->cpuvendor      = m->cpuvendor;
+        ),
+
+        TP_printk("CPU: %d, MCGc/s: %llx/%llx, MC%d: %016Lx, ADDR/MISC: %016Lx/%016Lx, RIP: %02x:<%016Lx>, TSC: %llx, PROCESSOR: %u:%x, TIME: %llu, SOCKET: %u, APIC: %x",
+                __entry->cpu,
+                __entry->mcgcap, __entry->mcgstatus,
+                __entry->bank, __entry->status,
+                __entry->addr, __entry->misc,
+                __entry->cs, __entry->ip,
+                __entry->tsc,
+                __entry->cpuvendor, __entry->cpuid,
+                __entry->walltime,
+                __entry->socketid,
+                __entry->apicid)
+);
+
+#endif /* _TRACE_MCE_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>