| /* |
| * Interface for configuring and controlling the state of tracing events. |
| * |
| * Copyright (C) 2011-2014 LluĂs Vilanova <vilanova@ac.upc.edu> |
| * |
| * This work is licensed under the terms of the GNU GPL, version 2 or later. |
| * See the COPYING file in the top-level directory. |
| */ |
| |
| #ifndef TRACE__CONTROL_INTERNAL_H |
| #define TRACE__CONTROL_INTERNAL_H |
| |
| #include <string.h> |
| |
| |
| extern TraceEvent trace_events[]; |
| extern bool trace_events_dstate[]; |
| extern int trace_events_enabled_count; |
| |
| |
| static inline TraceEventID trace_event_count(void) |
| { |
| return TRACE_EVENT_COUNT; |
| } |
| |
| static inline TraceEvent *trace_event_id(TraceEventID id) |
| { |
| assert(id < trace_event_count()); |
| return &trace_events[id]; |
| } |
| |
| static inline bool trace_event_is_pattern(const char *str) |
| { |
| assert(str != NULL); |
| return strchr(str, '*') != NULL; |
| } |
| |
| static inline TraceEventID trace_event_get_id(TraceEvent *ev) |
| { |
| assert(ev != NULL); |
| return ev->id; |
| } |
| |
| static inline const char * trace_event_get_name(TraceEvent *ev) |
| { |
| assert(ev != NULL); |
| return ev->name; |
| } |
| |
| static inline bool trace_event_get_state_static(TraceEvent *ev) |
| { |
| assert(ev != NULL); |
| return ev->sstate; |
| } |
| |
| static inline bool trace_event_get_state_dynamic_by_id(int id) |
| { |
| 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); |
| return trace_event_get_state_dynamic_by_id(id); |
| } |
| |
| static inline void trace_event_set_state_dynamic(TraceEvent *ev, bool state) |
| { |
| int id = trace_event_get_id(ev); |
| assert(ev != NULL); |
| assert(trace_event_get_state_static(ev)); |
| trace_events_enabled_count += state - trace_events_dstate[id]; |
| trace_events_dstate[id] = state; |
| } |
| |
| #endif /* TRACE__CONTROL_INTERNAL_H */ |