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authorLluís Vilanova <vilanova@ac.upc.edu>2016-07-11 12:53:24 +0200
committerStefan Hajnoczi <stefanha@redhat.com>2016-07-18 18:13:54 +0100
commit17f7ac75df3909c384c18274b41a2a91192599e3 (patch)
treeb5000f5a073806b11d4a5e4f73336df85f82d348 /trace/control.h
parent6913e79c3677a4282203fdd79af7927a94d0427e (diff)
trace: Identify events with the 'vcpu' property
A new event attribute 'cpu_id' is added to have a separate ID space ('TRACE_VCPU_*') for all events with the 'vcpu' property. These are later used to identify which events are enabled on each vCPU. Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'trace/control.h')
-rw-r--r--trace/control.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/trace/control.h b/trace/control.h
index 452a800eb2..d7d6500438 100644
--- a/trace/control.h
+++ b/trace/control.h
@@ -86,6 +86,23 @@ static TraceEventID trace_event_count(void);
static TraceEventID trace_event_get_id(TraceEvent *ev);
/**
+ * trace_event_get_vcpu_id:
+ *
+ * Get the per-vCPU identifier of an event.
+ *
+ * Special value #TRACE_VCPU_EVENT_COUNT means the event is not vCPU-specific
+ * (does not have the "vcpu" property).
+ */
+static TraceEventVCPUID trace_event_get_vcpu_id(TraceEvent *ev);
+
+/**
+ * trace_event_is_vcpu:
+ *
+ * Whether this is a per-vCPU event.
+ */
+static bool trace_event_is_vcpu(TraceEvent *ev);
+
+/**
* trace_event_get_name:
*
* Get the name of an event.