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trace: Provide a generic tracing event descriptor

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Uses tracetool to generate a backend-independent tracing event description
(struct TraceEvent).

The values for such structure are generated with the non-public "events"
backend ("events-c" frontend).

The generation of the defines to check if an event is statically enabled is also
moved to the "events" backend ("events-h" frontend).

Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Lluís Vilanova 2013-03-05 14:47:32 +01:00 • committed by Stefan Hajnoczi
parent 93fba1618d
commit 45be2f5d0d
7 changed files with 172 additions and 9 deletions
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33
trace/event-internal.h Normal file
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/*
* Interface for configuring and controlling the state of tracing events.
*
* Copyright (C) 2012 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__EVENT_INTERNAL_H
#define TRACE__EVENT_INTERNAL_H
#include "trace/generated-events.h"
/**
* TraceEvent:
* @id: Unique event identifier.
* @name: Event name.
* @sstate: Static tracing state.
* @dstate: Dynamic tracing state.
*
* Opaque generic description of a tracing event.
*/
typedef struct TraceEvent {
TraceEventID id;
const char * name;
const bool sstate;
bool dstate;
} TraceEvent;
#endif /* TRACE__EVENT_INTERNAL_H */