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45be2f5d LV |
1 | /* |
2 | * Interface for configuring and controlling the state of tracing events. | |
3 | * | |
17f7ac75 | 4 | * Copyright (C) 2012-2016 Lluís Vilanova <vilanova@ac.upc.edu> |
45be2f5d LV |
5 | * |
6 | * This work is licensed under the terms of the GNU GPL, version 2 or later. | |
7 | * See the COPYING file in the top-level directory. | |
8 | */ | |
9 | ||
10 | #ifndef TRACE__EVENT_INTERNAL_H | |
11 | #define TRACE__EVENT_INTERNAL_H | |
12 | ||
13 | #include "trace/generated-events.h" | |
14 | ||
15 | ||
16 | /** | |
17 | * TraceEvent: | |
18 | * @id: Unique event identifier. | |
17f7ac75 | 19 | * @vcpu_id: Unique per-vCPU event identifier. |
45be2f5d LV |
20 | * @name: Event name. |
21 | * @sstate: Static tracing state. | |
93977402 DB |
22 | * @dstate: Dynamic tracing state |
23 | * | |
24 | * Interpretation of @dstate depends on whether the event has the 'vcpu' | |
25 | * property: | |
26 | * - false: Boolean value indicating whether the event is active. | |
27 | * - true : Integral counting the number of vCPUs that have this event enabled. | |
45be2f5d LV |
28 | * |
29 | * Opaque generic description of a tracing event. | |
30 | */ | |
31 | typedef struct TraceEvent { | |
32 | TraceEventID id; | |
17f7ac75 | 33 | TraceEventVCPUID vcpu_id; |
45be2f5d LV |
34 | const char * name; |
35 | const bool sstate; | |
93977402 | 36 | uint16_t *dstate; |
45be2f5d LV |
37 | } TraceEvent; |
38 | ||
a4d50b1d | 39 | void trace_event_set_state_dynamic_init(TraceEvent *ev, bool state); |
45be2f5d | 40 | |
175de524 | 41 | #endif /* TRACE__EVENT_INTERNAL_H */ |