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Commit | Line | Data |
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b1bae816 LV |
1 | /* |
2 | * Interface for configuring and controlling the state of tracing events. | |
3 | * | |
5b808275 | 4 | * Copyright (C) 2011-2014 Lluís Vilanova <vilanova@ac.upc.edu> |
b1bae816 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__CONTROL_INTERNAL_H | |
11 | #define TRACE__CONTROL_INTERNAL_H | |
12 | ||
b1bae816 | 13 | extern TraceEvent trace_events[]; |
585ec727 | 14 | extern bool trace_events_dstate[]; |
43b48cfc | 15 | extern int trace_events_enabled_count; |
b1bae816 LV |
16 | |
17 | ||
84f3fe1b | 18 | static inline TraceEventID trace_event_count(void) |
b1bae816 | 19 | { |
84f3fe1b | 20 | return TRACE_EVENT_COUNT; |
b1bae816 LV |
21 | } |
22 | ||
84f3fe1b | 23 | static inline TraceEvent *trace_event_id(TraceEventID id) |
b1bae816 | 24 | { |
84f3fe1b PM |
25 | assert(id < trace_event_count()); |
26 | return &trace_events[id]; | |
b1bae816 LV |
27 | } |
28 | ||
29 | static inline bool trace_event_is_pattern(const char *str) | |
30 | { | |
31 | assert(str != NULL); | |
32 | return strchr(str, '*') != NULL; | |
33 | } | |
34 | ||
35 | static inline TraceEventID trace_event_get_id(TraceEvent *ev) | |
36 | { | |
37 | assert(ev != NULL); | |
38 | return ev->id; | |
39 | } | |
40 | ||
41 | static inline const char * trace_event_get_name(TraceEvent *ev) | |
42 | { | |
43 | assert(ev != NULL); | |
44 | return ev->name; | |
45 | } | |
46 | ||
47 | static inline bool trace_event_get_state_static(TraceEvent *ev) | |
48 | { | |
49 | assert(ev != NULL); | |
50 | return ev->sstate; | |
51 | } | |
52 | ||
585ec727 PB |
53 | static inline bool trace_event_get_state_dynamic_by_id(int id) |
54 | { | |
55 | return unlikely(trace_events_enabled_count) && trace_events_dstate[id]; | |
56 | } | |
57 | ||
b1bae816 LV |
58 | static inline bool trace_event_get_state_dynamic(TraceEvent *ev) |
59 | { | |
585ec727 PB |
60 | int id = trace_event_get_id(ev); |
61 | return trace_event_get_state_dynamic_by_id(id); | |
b1bae816 LV |
62 | } |
63 | ||
64 | static inline void trace_event_set_state_dynamic(TraceEvent *ev, bool state) | |
65 | { | |
585ec727 | 66 | int id = trace_event_get_id(ev); |
b1bae816 LV |
67 | assert(ev != NULL); |
68 | assert(trace_event_get_state_static(ev)); | |
585ec727 PB |
69 | trace_events_enabled_count += state - trace_events_dstate[id]; |
70 | trace_events_dstate[id] = state; | |
b1bae816 LV |
71 | } |
72 | ||
175de524 | 73 | #endif /* TRACE__CONTROL_INTERNAL_H */ |