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/*
* Interface for configuring and controlling the state of tracing events.
*
* Copyright (C) 2011-2016 Lluís 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
extern int trace_events_enabled_count;
static inline bool trace_event_is_pattern(const char *str)
{
assert(str != NULL);
return strchr(str, '*') != NULL;
}
static inline uint32_t trace_event_get_id(TraceEvent *ev)
{
assert(ev != NULL);
return ev->id;
}
static inline uint32_t trace_event_get_vcpu_id(TraceEvent *ev)
{
return ev->vcpu_id;
}
static inline bool trace_event_is_vcpu(TraceEvent *ev)
{
return ev->vcpu_id != TRACE_VCPU_EVENT_NONE;
}
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;
}
/* it's on fast path, avoid consistency checks (asserts) */
#define trace_event_get_state_dynamic_by_id(id) \
(unlikely(trace_events_enabled_count) && _ ## id ## _DSTATE)
static inline bool trace_event_get_state_dynamic(TraceEvent *ev)
{
return unlikely(trace_events_enabled_count) && *ev->dstate;
}
void trace_event_register_group(TraceEvent **events);
#endif /* TRACE__CONTROL_INTERNAL_H */
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