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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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9
scripts/tracetool/format/h.py
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@ -25,14 +25,7 @@ def begin(events):
'#include "qemu-common.h"')
def end(events):
for e in events:
if "disable" in e.properties:
enabled = 0
else:
enabled = 1
out('#define TRACE_%s_ENABLED %d' % (e.name.upper(), enabled))
out('',
'#endif /* TRACE__GENERATED_TRACERS_H */')
out('#endif /* TRACE__GENERATED_TRACERS_H */')
def nop(events):
for e in events: