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authorAdrian Hunter <adrian.hunter@intel.com>2014-08-15 22:08:37 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2014-08-22 13:12:11 -0300
commitd445dd2a78eed884adf3b3426b078fe69d2516d8 (patch)
tree8c312a298537c1bfd9903e61807bd52f67e8687c /tools/perf/util/scripting-engines/trace-event-perl.c
parentd44bc558297222d9a621fff2eca3f880e91c49f7 (diff)
downloadblackbird-op-linux-d445dd2a78eed884adf3b3426b078fe69d2516d8.tar.gz
blackbird-op-linux-d445dd2a78eed884adf3b3426b078fe69d2516d8.zip
perf scripting: Add 'flush' callback to scripting API
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>
Diffstat (limited to 'tools/perf/util/scripting-engines/trace-event-perl.c')
-rw-r--r--tools/perf/util/scripting-engines/trace-event-perl.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/tools/perf/util/scripting-engines/trace-event-perl.c b/tools/perf/util/scripting-engines/trace-event-perl.c
index b2dba9c0a3a1..0a01bac4ce02 100644
--- a/tools/perf/util/scripting-engines/trace-event-perl.c
+++ b/tools/perf/util/scripting-engines/trace-event-perl.c
@@ -432,6 +432,11 @@ error:
return err;
}
+static int perl_flush_script(void)
+{
+ return 0;
+}
+
/*
* Stop trace script
*/
@@ -633,6 +638,7 @@ static int perl_generate_script(struct pevent *pevent, const char *outfile)
struct scripting_ops perl_scripting_ops = {
.name = "Perl",
.start_script = perl_start_script,
+ .flush_script = perl_flush_script,
.stop_script = perl_stop_script,
.process_event = perl_process_event,
.generate_script = perl_generate_script,
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