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trace: switch to modular code generation for sub-directories

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Introduce rules in the top level Makefile that are able to generate
trace.[ch] files in every subdirectory which has a trace-events file.

The top level directory is handled specially, so instead of creating
trace.h, it creates trace-root.h. This allows sub-directories to
include the top level trace-root.h file, without ambiguity wrt to
the trace.g file in the current sub-dir.

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-id: 20170125161417.31949-7-berrange@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Daniel P. Berrange 2017-01-25 16:14:15 +00:00 • committed by Stefan Hajnoczi
parent 2098c56a9b
commit 0ab8ed18a6
44 changed files with 283 additions and 209 deletions
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8
scripts/tracetool.py
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@ -137,10 +137,12 @@ def main(args):
if probe_prefix is None:
probe_prefix = ".".join(["qemu", target_type, target_name])
if len(args) != 1:
if len(args) < 1:
error_opt("missing trace-events filepath")
with open(args[0], "r") as fh:
events = tracetool.read_events(fh)
events = []
for arg in args:
with open(arg, "r") as fh:
events.extend(tracetool.read_events(fh))
try:
tracetool.generate(events, arg_group, arg_format, arg_backends,