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perf scripting: Add 'flush' callback to scripting API

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In order to defer some output via the scripting API, there needs to be a
callback after session processing but before the session is deleted.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1408129739-17368-3-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Adrian Hunter 2014-08-15 22:08:37 +03:00 • committed by Arnaldo Carvalho de Melo
parent d44bc55829
commit d445dd2a78
5 changed files with 33 additions and 0 deletions
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6
tools/perf/util/scripting-engines/trace-event-python.c
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@ -639,6 +639,11 @@ error:
return err;
}
static int python_flush_script(void)
{
return 0;
}
/*
* Stop trace script
*/
@ -823,6 +828,7 @@ static int python_generate_script(struct pevent *pevent, const char *outfile)
struct scripting_ops python_scripting_ops = {
.name = "Python",
.start_script = python_start_script,
.flush_script = python_flush_script,
.stop_script = python_stop_script,
.process_event = python_process_event,
.generate_script = python_generate_script,