vmsvga: don't process more than 1024 fifo commands at once
[qemu.git] / trace / control-internal.h
1 /*
2 * Interface for configuring and controlling the state of tracing events.
3 *
4 * Copyright (C) 2011-2014 LluĂ­s Vilanova <vilanova@ac.upc.edu>
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__CONTROL_INTERNAL_H
11 #define TRACE__CONTROL_INTERNAL_H
12
13
14
15 extern TraceEvent trace_events[];
16 extern bool trace_events_dstate[];
17 extern int trace_events_enabled_count;
18
19
20 static inline TraceEventID trace_event_count(void)
21 {
22 return TRACE_EVENT_COUNT;
23 }
24
25 static inline TraceEvent *trace_event_id(TraceEventID id)
26 {
27 assert(id < trace_event_count());
28 return &trace_events[id];
29 }
30
31 static inline bool trace_event_is_pattern(const char *str)
32 {
33 assert(str != NULL);
34 return strchr(str, '*') != NULL;
35 }
36
37 static inline TraceEventID trace_event_get_id(TraceEvent *ev)
38 {
39 assert(ev != NULL);
40 return ev->id;
41 }
42
43 static inline const char * trace_event_get_name(TraceEvent *ev)
44 {
45 assert(ev != NULL);
46 return ev->name;
47 }
48
49 static inline bool trace_event_get_state_static(TraceEvent *ev)
50 {
51 assert(ev != NULL);
52 return ev->sstate;
53 }
54
55 static inline bool trace_event_get_state_dynamic_by_id(int id)
56 {
57 return unlikely(trace_events_enabled_count) && trace_events_dstate[id];
58 }
59
60 static inline bool trace_event_get_state_dynamic(TraceEvent *ev)
61 {
62 int id = trace_event_get_id(ev);
63 return trace_event_get_state_dynamic_by_id(id);
64 }
65
66 static inline void trace_event_set_state_dynamic(TraceEvent *ev, bool state)
67 {
68 int id = trace_event_get_id(ev);
69 assert(ev != NULL);
70 assert(trace_event_get_state_static(ev));
71 trace_events_enabled_count += state - trace_events_dstate[id];
72 trace_events_dstate[id] = state;
73 }
74
75 #endif /* TRACE__CONTROL_INTERNAL_H */