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trace: [simple] Port to generic event information and new control interface

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The backend is forced to dump event numbers using 64 bits, as TraceEventID is
an enum.

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 14:47:55 +01:00 • committed by Stefan Hajnoczi
parent fd068a953c
commit 60481e210d
3 changed files with 13 additions and 46 deletions
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18
scripts/tracetool/backend/simple.py
View file

@ -28,17 +28,10 @@ def is_string(arg):
def c(events):
out('#include "trace.h"',
'#include "trace/control.h"',
'#include "trace/simple.h"',
'',
'TraceEvent trace_list[] = {')
for e in events:
out('{.tp_name = "%(name)s", .state=0},',
name = e.name,
)
out('};',
'')
)
for num, event in enumerate(events):
out('void trace_%(name)s(%(args)s)',
@ -63,7 +56,9 @@ def c(events):
out('',
' if (!trace_list[%(event_id)s].state) {',
' TraceEvent *eventp = trace_event_id(%(event_id)s);',
' bool _state = trace_event_get_state_dynamic(eventp);',
' if (!_state) {',
' return;',
' }',
'',
@ -106,6 +101,3 @@ def h(events):
name = event.name,
args = event.args,
)
out('')
out('#define NR_TRACE_EVENTS %d' % len(events))
out('extern TraceEvent trace_list[NR_TRACE_EVENTS];')