1 files changed, 30 insertions, 0 deletions

diff --git a/arch/x86/kvm/trace.h b/arch/x86/kvm/trace.h
index bca63f04dccb..1d6526856080 100644
--- a/arch/x86/kvm/trace.h
+++ b/arch/x86/kvm/trace.h
@@ -4,6 +4,7 @@
 #include <linux/tracepoint.h>
 #include <asm/vmx.h>
 #include <asm/svm.h>
+#include <asm/clocksource.h>
 
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM kvm
@@ -754,6 +755,35 @@ TRACE_EVENT(
                   __entry->write ? "Write" : "Read",
                   __entry->gpa_match ? "GPA" : "GVA")
 );
+
+#ifdef CONFIG_X86_64
+
+#define host_clocks                                     \
+        {VCLOCK_NONE, "none"},                          \
+        {VCLOCK_TSC,  "tsc"},                           \
+        {VCLOCK_HPET, "hpet"}                           \
+
+TRACE_EVENT(kvm_update_master_clock,
+        TP_PROTO(bool use_master_clock, unsigned int host_clock),
+        TP_ARGS(use_master_clock, host_clock),
+
+        TP_STRUCT__entry(
+                __field(                bool,   use_master_clock        )
+                __field(        unsigned int,   host_clock              )
+        ),
+
+        TP_fast_assign(
+                __entry->use_master_clock       = use_master_clock;
+                __entry->host_clock             = host_clock;
+        ),
+
+        TP_printk("masterclock %d hostclock %s",
+                  __entry->use_master_clock,
+                  __print_symbolic(__entry->host_clock, host_clocks))
+);
+
+#endif /* CONFIG_X86_64 */
+
 #endif /* _TRACE_KVM_H */
 
 #undef TRACE_INCLUDE_PATH