control-internal.h (1459B)
1 /* 2 * Interface for configuring and controlling the state of tracing events. 3 * 4 * Copyright (C) 2011-2016 Lluís 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 extern int trace_events_enabled_count; 14 15 16 static inline bool trace_event_is_pattern(const char *str) 17 { 18 assert(str != NULL); 19 return strchr(str, '*') != NULL; 20 } 21 22 static inline uint32_t trace_event_get_id(TraceEvent *ev) 23 { 24 assert(ev != NULL); 25 return ev->id; 26 } 27 28 static inline uint32_t trace_event_get_vcpu_id(TraceEvent *ev) 29 { 30 return ev->vcpu_id; 31 } 32 33 static inline bool trace_event_is_vcpu(TraceEvent *ev) 34 { 35 return ev->vcpu_id != TRACE_VCPU_EVENT_NONE; 36 } 37 38 static inline const char * trace_event_get_name(TraceEvent *ev) 39 { 40 assert(ev != NULL); 41 return ev->name; 42 } 43 44 static inline bool trace_event_get_state_static(TraceEvent *ev) 45 { 46 assert(ev != NULL); 47 return ev->sstate; 48 } 49 50 /* it's on fast path, avoid consistency checks (asserts) */ 51 #define trace_event_get_state_dynamic_by_id(id) \ 52 (unlikely(trace_events_enabled_count) && _ ## id ## _DSTATE) 53 54 static inline bool trace_event_get_state_dynamic(TraceEvent *ev) 55 { 56 return unlikely(trace_events_enabled_count) && *ev->dstate; 57 } 58 59 void trace_event_register_group(TraceEvent **events); 60 61 #endif /* TRACE__CONTROL_INTERNAL_H */