[PATCH v10 06/15] perf stat: factor out body of event handling loop for system wide

Alexey Budankov
2020-07-08T07:50:54Z

Introduce handle_interval() function that factors out body of event
handling loop for attach and system wide monitoring use cases.

Signed-off-by: Alexey Budankov <alexey.budankov@linux.intel.com>
---
tools/perf/builtin-stat.c | 17 +++++++++++------
1 file changed, 11 insertions(+), 6 deletions(-)

diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 922d9961ba98..80aea49e4dac 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -475,6 +475,16 @@ static void process_interval(void)
print_counters(&rs, 0, NULL);
}

+static bool handle_interval(unsigned int interval, int *times)
+{
+ if (interval) {
+ process_interval();
+ if (interval_count && !(--(*times)))
+ return true;
+ }
+ return false;
+}
+
static void enable_counters(void)
{
if (stat_config.initial_delay)
@@ -809,13 +819,8 @@ static int __run_perf_stat(int argc, const char **argv, int run_idx)
nanosleep(&ts, NULL);
if (!is_target_alive(&target, evsel_list->core.threads))
break;
- if (timeout)
+ if (timeout || handle_interval(interval, &times))
break;
- if (interval) {
- process_interval();
- if (interval_count && !(--times))
- break;
- }
}
}

--
2.24.1