aboutsummaryrefslogtreecommitdiff
path: root/trace/control-internal.h
diff options
context:
space:
mode:
Diffstat (limited to 'trace/control-internal.h')
-rw-r--r--trace/control-internal.h4
1 files changed, 3 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;
}