2 * Interface for configuring and controlling the state of tracing events.
4 * Copyright (C) 2011-2016 LluĂs Vilanova <vilanova@ac.upc.edu>
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.
10 #ifndef TRACE__CONTROL_INTERNAL_H
11 #define TRACE__CONTROL_INTERNAL_H
16 extern int trace_events_enabled_count;
19 static inline bool trace_event_is_pattern(const char *str)
22 return strchr(str, '*') != NULL;
25 static inline uint32_t trace_event_get_id(TraceEvent *ev)
31 static inline uint32_t trace_event_get_vcpu_id(TraceEvent *ev)
36 static inline bool trace_event_is_vcpu(TraceEvent *ev)
38 return ev->vcpu_id != TRACE_VCPU_EVENT_NONE;
41 static inline const char * trace_event_get_name(TraceEvent *ev)
47 static inline bool trace_event_get_state_static(TraceEvent *ev)
53 /* it's on fast path, avoid consistency checks (asserts) */
54 #define trace_event_get_state_dynamic_by_id(id) \
55 (unlikely(trace_events_enabled_count) && _ ## id ## _DSTATE)
57 static inline bool trace_event_get_state_dynamic(TraceEvent *ev)
59 return unlikely(trace_events_enabled_count) && *ev->dstate;
63 trace_event_get_vcpu_state_dynamic_by_vcpu_id(CPUState *vcpu,
66 /* it's on fast path, avoid consistency checks (asserts) */
67 if (unlikely(trace_events_enabled_count)) {
68 return test_bit(vcpu_id, vcpu->trace_dstate);
74 static inline bool trace_event_get_vcpu_state_dynamic(CPUState *vcpu,
78 assert(trace_event_is_vcpu(ev));
79 vcpu_id = trace_event_get_vcpu_id(ev);
80 return trace_event_get_vcpu_state_dynamic_by_vcpu_id(vcpu, vcpu_id);
84 void trace_event_register_group(TraceEvent **events);
86 #endif /* TRACE__CONTROL_INTERNAL_H */