control-internal.h (1459B)
1/* 2 * Interface for configuring and controlling the state of tracing events. 3 * 4 * Copyright (C) 2011-2016 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 13extern int trace_events_enabled_count; 14 15 16static inline bool trace_event_is_pattern(const char *str) 17{ 18 assert(str != NULL); 19 return strchr(str, '*') != NULL; 20} 21 22static inline uint32_t trace_event_get_id(TraceEvent *ev) 23{ 24 assert(ev != NULL); 25 return ev->id; 26} 27 28static inline uint32_t trace_event_get_vcpu_id(TraceEvent *ev) 29{ 30 return ev->vcpu_id; 31} 32 33static inline bool trace_event_is_vcpu(TraceEvent *ev) 34{ 35 return ev->vcpu_id != TRACE_VCPU_EVENT_NONE; 36} 37 38static inline const char * trace_event_get_name(TraceEvent *ev) 39{ 40 assert(ev != NULL); 41 return ev->name; 42} 43 44static 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 54static inline bool trace_event_get_state_dynamic(TraceEvent *ev) 55{ 56 return unlikely(trace_events_enabled_count) && *ev->dstate; 57} 58 59void trace_event_register_group(TraceEvent **events); 60 61#endif /* TRACE__CONTROL_INTERNAL_H */