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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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13
tools/perf/builtin-script.c
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@@ -485,6 +485,11 @@ static int default_start_script(const char *script __maybe_unused,
return 0;
}
static int default_flush_script(void)
{
return 0;
}
static int default_stop_script(void)
{
return 0;
@@ -498,6 +503,7 @@ static int default_generate_script(struct pevent *pevent __maybe_unused,
static struct scripting_ops default_scripting_ops = {
.start_script = default_start_script,
.flush_script = default_flush_script,
.stop_script = default_stop_script,
.process_event = process_event,
.generate_script = default_generate_script,
@@ -513,6 +519,11 @@ static void setup_scripting(void)
scripting_ops = &default_scripting_ops;
}
static int flush_scripting(void)
{
return scripting_ops->flush_script();
}
static int cleanup_scripting(void)
{
pr_debug("\nperf script stopped\n");
@@ -1813,6 +1824,8 @@ int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused)
err = __cmd_script(&script);
flush_scripting();
out_delete:
perf_session__delete(session);