diff options
Diffstat (limited to 'trace')
| -rw-r--r-- | trace/control-internal.h | 4 | ||||
| -rw-r--r-- | trace/control.c | 2 |
2 files changed, 5 insertions, 1 deletions
diff --git a/trace/control-internal.h b/trace/control-internal.h index 5a8df28c58..271bddb19e 100644 --- a/trace/control-internal.h +++ b/trace/control-internal.h @@ -14,6 +14,7 @@ extern TraceEvent trace_events[]; +extern int trace_events_enabled_count; static inline TraceEventID trace_event_count(void) @@ -54,13 +55,14 @@ static inline bool trace_event_get_state_static(TraceEvent *ev) static inline bool trace_event_get_state_dynamic(TraceEvent *ev) { assert(ev != NULL); - return ev->dstate; + return unlikely(trace_events_enabled_count) && ev->dstate; } static inline void trace_event_set_state_dynamic(TraceEvent *ev, bool state) { assert(ev != NULL); assert(trace_event_get_state_static(ev)); + trace_events_enabled_count += state - ev->dstate; ev->dstate = state; } diff --git a/trace/control.c b/trace/control.c index 995beb384c..95fbc07c3c 100644 --- a/trace/control.c +++ b/trace/control.c @@ -16,6 +16,8 @@ #endif #include "qemu/error-report.h" +int trace_events_enabled_count; + TraceEvent *trace_event_name(const char *name) { assert(name != NULL); |