Merge remote-tracking branch 'remotes/cohuck/tags/s390x-20190719' into staging
[qemu/ar7.git] / trace / control-internal.h
blobc7fbe2d3bfd373f8d7f22dd264fd1852c3e98faa
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  */
10 #ifndef TRACE__CONTROL_INTERNAL_H
11 #define TRACE__CONTROL_INTERNAL_H
13 #include "qom/cpu.h"
16 extern int trace_events_enabled_count;
19 static inline bool trace_event_is_pattern(const char *str)
21     assert(str != NULL);
22     return strchr(str, '*') != NULL;
25 static inline uint32_t trace_event_get_id(TraceEvent *ev)
27     assert(ev != NULL);
28     return ev->id;
31 static inline uint32_t trace_event_get_vcpu_id(TraceEvent *ev)
33     return ev->vcpu_id;
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)
43     assert(ev != NULL);
44     return ev->name;
47 static inline bool trace_event_get_state_static(TraceEvent *ev)
49     assert(ev != NULL);
50     return ev->sstate;
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;
62 static inline bool
63 trace_event_get_vcpu_state_dynamic_by_vcpu_id(CPUState *vcpu,
64                                               uint32_t vcpu_id)
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);
69     } else {
70         return false;
71     }
74 static inline bool trace_event_get_vcpu_state_dynamic(CPUState *vcpu,
75                                                       TraceEvent *ev)
77     uint32_t vcpu_id;
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 */