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trace: [tracetool] Minimize the amount of per-backend code

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Backends now only contain the essential backend-specific code, and most of the work is moved to frontend code.

Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Lluís Vilanova 2014-02-23 20:37:40 +01:00 • committed by Stefan Hajnoczi
parent ef0bd3bba6
commit 1dad2ce973
19 changed files with 303 additions and 395 deletions
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40
scripts/tracetool/format/ust_events_h.py
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@ -16,7 +16,10 @@ __email__ = "stefanha@redhat.com"
from tracetool import out
def begin(events):
def generate(events, backend):
events = [e for e in events
if "disabled" not in e.properties]
out('/* This file is autogenerated by tracetool, do not edit. */',
'',
'#undef TRACEPOINT_PROVIDER',
@ -50,7 +53,40 @@ def begin(events):
'#endif',
'')
def end(events):
for e in events:
if len(e.args) > 0:
out('TRACEPOINT_EVENT(',
' qemu,',
' %(name)s,',
' TP_ARGS(%(args)s),',
' TP_FIELDS(',
name=e.name,
args=", ".join(", ".join(i) for i in e.args))
for t, n in e.args:
if ('int' in t) or ('long' in t) or ('unsigned' in t) or ('size_t' in t):
out(' ctf_integer(' + t + ', ' + n + ', ' + n + ')')
elif ('double' in t) or ('float' in t):
out(' ctf_float(' + t + ', ' + n + ', ' + n + ')')
elif ('char *' in t) or ('char*' in t):
out(' ctf_string(' + n + ', ' + n + ')')
elif ('void *' in t) or ('void*' in t):
out(' ctf_integer_hex(unsigned long, ' + n + ', ' + n + ')')
out(' )',
')',
'')
else:
out('TRACEPOINT_EVENT(',
' qemu,',
' %(name)s,',
' TP_ARGS(void),',
' TP_FIELDS()',
')',
'',
name=e.name)
out('#endif /* TRACE__GENERATED_UST_H */',
'',
'/* This part must be outside ifdef protection */',