/*
* Interface for configuring and controlling the state of tracing events.
*
- * Copyright (C) 2011-2012 Lluís Vilanova <vilanova@ac.upc.edu>
+ * 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
-#include <string.h>
+extern int trace_events_enabled_count;
-extern TraceEvent trace_events[];
-
-
-static inline TraceEventID trace_event_count(void)
+static inline bool trace_event_is_pattern(const char *str)
{
- return TRACE_EVENT_COUNT;
+ assert(str != NULL);
+ return strchr(str, '*') != NULL;
}
-static inline TraceEvent *trace_event_id(TraceEventID id)
+static inline uint32_t trace_event_get_id(TraceEvent *ev)
{
- assert(id < trace_event_count());
- return &trace_events[id];
+ assert(ev != NULL);
+ return ev->id;
}
-static inline bool trace_event_is_pattern(const char *str)
+static inline uint32_t trace_event_get_vcpu_id(TraceEvent *ev)
{
- assert(str != NULL);
- return strchr(str, '*') != NULL;
+ return ev->vcpu_id;
}
-static inline TraceEventID trace_event_get_id(TraceEvent *ev)
+static inline bool trace_event_is_vcpu(TraceEvent *ev)
{
- assert(ev != NULL);
- return ev->id;
+ return ev->vcpu_id != TRACE_VCPU_EVENT_NONE;
}
static inline const char * trace_event_get_name(TraceEvent *ev)
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)
{
- assert(ev != NULL);
- return ev->dstate;
+ return unlikely(trace_events_enabled_count) && *ev->dstate;
}
-static inline void trace_event_set_state_dynamic(TraceEvent *ev, bool state)
-{
- assert(ev != NULL);
- assert(trace_event_get_state_static(ev));
- return trace_event_set_state_dynamic_backend(ev, state);
-}
+void trace_event_register_group(TraceEvent **events);
-#endif /* TRACE__CONTROL_INTERNAL_H */
+#endif /* TRACE__CONTROL_INTERNAL_H */