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authorAdrian Hunter <adrian.hunter@intel.com>2014-08-15 21:08:37 +0200
committerArnaldo Carvalho de Melo <acme@redhat.com>2014-08-22 18:12:11 +0200
commitd445dd2a78eed884adf3b3426b078fe69d2516d8 (patch)
tree8c312a298537c1bfd9903e61807bd52f67e8687c /tools/perf/builtin-script.c
parentperf tests: Add a test for tracking with sched_switch (diff)
downloadlinux-d445dd2a78eed884adf3b3426b078fe69d2516d8.tar.xz
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/builtin-script.c')
-rw-r--r--tools/perf/builtin-script.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index c1b7029884b1..02dce9295e2c 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -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);