[PATCH 44/47] perf script: Add stat default handlers

Jiri Olsa
2015-07-21T12:33:35Z

Implement struct scripting_ops::(process_stat|process_stat_interval)
handlers - calling scripting handlers from stat events handlers.

Link: http://lkml.kernel.org/n/tip-3iu6vmvuur1bntbnh43v3bib@git.kernel.org
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
---
tools/perf/builtin-script.c | 31 +++++++++++++++++++++++++++++++
1 file changed, 31 insertions(+)

diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index b64e4cdc29e2..9171c53f504f 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -199,6 +199,9 @@ static int perf_evsel__check_attr(struct perf_evsel *evsel,
struct perf_event_attr *attr = &evsel->attr;
bool allow_user_set;

+ if (perf_header__has_feat(&session->header, HEADER_STAT))
+ return 0;
+
allow_user_set = perf_header__has_feat(&session->header,
HEADER_AUXTRACE);

@@ -533,6 +536,14 @@ static void process_event(union perf_event *event, struct perf_sample *sample,
printf("\n");
}

+static void process_stat(struct perf_stat_config *config __maybe_unused,
+ struct perf_evsel *evsel __maybe_unused,
+ u64 time __maybe_unused)
+{
+}
+
+static void process_stat_interval(u64 time __maybe_unused) { }
+
static int default_start_script(const char *script __maybe_unused,
int argc __maybe_unused,
const char **argv __maybe_unused)
@@ -561,6 +572,8 @@ static struct scripting_ops default_scripting_ops = {
.flush_script = default_flush_script,
.stop_script = default_stop_script,
.process_event = process_event,
+ .process_stat = process_stat,
+ .process_stat_interval = process_stat_interval,
.generate_script = default_generate_script,
};

@@ -1543,6 +1556,22 @@ static int have_cmd(int argc, const char **argv)
return 0;
}

+static int process_stat_round_event(struct perf_tool *tool __maybe_unused,
+ union perf_event *event,
+ struct perf_session *session)
+{
+ struct stat_round_event *round = &event->stat_round;
+ struct perf_evsel *counter;
+
+ evlist__for_each(session->evlist, counter) {
+ perf_stat_process_counter(&stat_config, counter);
+ scripting_ops->process_stat(&stat_config, counter, round->time);
+ }
+
+ scripting_ops->process_stat_interval(round->time);
+ return 0;
+}
+
static int process_stat_config_event(struct perf_tool *tool __maybe_unused,
union perf_event *event,
struct perf_session *session __maybe_unused)
@@ -1635,6 +1664,8 @@ int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused)
.auxtrace_info = perf_event__process_auxtrace_info,
.auxtrace = perf_event__process_auxtrace,
.auxtrace_error = perf_event__process_auxtrace_error,
+ .stat = perf_event__process_stat_event,
+ .stat_round = process_stat_round_event,
.stat_config = process_stat_config_event,
.thread_map = process_thread_map_event,
.cpu_map = process_cpu_map_event,
--
2.4.3