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[v7,3/7,trivial] trace: Cosmetic changes on fast-path tracing

Message ID 146701874427.26946.7349928059418713247.stgit@fimbulvetr.bsc.es
State New
Headers show

Commit Message

Lluís Vilanova June 27, 2016, 9:12 a.m. UTC 
Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
---
 trace/control-internal.h |    7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)
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Patch

diff --git a/trace/control-internal.h b/trace/control-internal.h
index 5e0a5ab..c5f5f3d 100644
--- a/trace/control-internal.h
+++ b/trace/control-internal.h
@@ -62,14 +62,17 @@  static inline bool trace_event_get_state_static(TraceEvent *ev)
     return ev->sstate;
 }
 
-static inline bool trace_event_get_state_dynamic_by_id(int id)
+static inline bool trace_event_get_state_dynamic_by_id(TraceEventID id)
 {
+    /* it's on fast path, avoid consistency checks (asserts) */
     return unlikely(trace_events_enabled_count) && trace_events_dstate[id];
 }
 
 static inline bool trace_event_get_state_dynamic(TraceEvent *ev)
 {
-    int id = trace_event_get_id(ev);
+    TraceEventID id;
+    assert(trace_event_get_state_static(ev));
+    id = trace_event_get_id(ev);
     return trace_event_get_state_dynamic_by_id(id);
 }