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[Qemu-devel] [PATCH 3/6] [trivial] trace: Cosmetic changes on fast-path
From: |
Lluís Vilanova |
Subject: |
[Qemu-devel] [PATCH 3/6] [trivial] trace: Cosmetic changes on fast-path tracing |
Date: |
Thu, 25 Feb 2016 16:03:00 +0100 |
User-agent: |
StGit/0.17.1-dirty |
Signed-off-by: Lluís Vilanova <address@hidden>
---
trace/control-internal.h | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/trace/control-internal.h b/trace/control-internal.h
index c78a45a..d1f99e3 100644
--- a/trace/control-internal.h
+++ b/trace/control-internal.h
@@ -58,14 +58,18 @@ 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(ev != NULL);
+ assert(trace_event_get_state_static(ev));
+ id = trace_event_get_id(ev);
return trace_event_get_state_dynamic_by_id(id);
}
- [Qemu-devel] [PATCH0/6] trace: Per-vCPU tracing states, Lluís Vilanova, 2016/02/25
- [Qemu-devel] [PATCH 1/6] trace: Identify events with the 'vcpu' property, Lluís Vilanova, 2016/02/25
- [Qemu-devel] [PATCH 2/6] disas: Remove unused macro '_', Lluís Vilanova, 2016/02/25
- [Qemu-devel] [PATCH 3/6] [trivial] trace: Cosmetic changes on fast-path tracing,
Lluís Vilanova <=
- [Qemu-devel] [PATCH 5/6] trace: Conditionally trace events based on their per-vCPU state, Lluís Vilanova, 2016/02/25
- [Qemu-devel] [PATCH 6/6] trace: Add QAPI/QMP interfaces to query and control per-vCPU tracing state, Lluís Vilanova, 2016/02/25
- [Qemu-devel] [PATCH 4/6] trace: Add per-vCPU tracing states for events with the 'vcpu' property, Lluís Vilanova, 2016/02/25