From b1bae816c4c0743e37ee9e797a503610c34e3073 Mon Sep 17 00:00:00 2001 From: Lluís Vilanova Date: Tue, 5 Mar 2013 14:47:38 +0100 Subject: trace: Provide a detailed event control interface This interface decouples event obtaining from interaction. Events can be obtained through three different methods: * identifier * name * simple wildcard pattern Signed-off-by: Lluís Vilanova Signed-off-by: Stefan Hajnoczi --- trace/control-internal.h | 67 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100644 trace/control-internal.h (limited to 'trace/control-internal.h') diff --git a/trace/control-internal.h b/trace/control-internal.h new file mode 100644 index 0000000000..cce2da47c4 --- /dev/null +++ b/trace/control-internal.h @@ -0,0 +1,67 @@ +/* + * Interface for configuring and controlling the state of tracing events. + * + * Copyright (C) 2011-2012 Lluís Vilanova + * + * 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 + + +extern TraceEvent trace_events[]; + + +static inline TraceEvent *trace_event_id(TraceEventID id) +{ + assert(id < trace_event_count()); + return &trace_events[id]; +} + +static inline TraceEventID trace_event_count(void) +{ + return TRACE_EVENT_COUNT; +} + +static inline bool trace_event_is_pattern(const char *str) +{ + assert(str != NULL); + return strchr(str, '*') != NULL; +} + +static inline TraceEventID trace_event_get_id(TraceEvent *ev) +{ + assert(ev != NULL); + return ev->id; +} + +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; +} + +static inline bool trace_event_get_state_dynamic(TraceEvent *ev) +{ + assert(ev != NULL); + return 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); +} + +#endif /* TRACE__CONTROL_INTERNAL_H */ -- cgit v1.2.3-55-g7522