[no subject]

[Dong Zhu]

When we stop timer statistics collection (via echo 0 >
/proc/timers_stats), the statistics data is still exported as if it were
correct, which can cause applicaitons to misuse the statistics.

This patch resets the statistics when we stop collecting them, to avoid
this problem.

Signed-off-by: Dong Zhu <bluezhudong@xxxxxxxxx>
---
 kernel/time/timer_stats.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/kernel/time/timer_stats.c b/kernel/time/timer_stats.c
index 0b537f2..43f05e7 100644
--- a/kernel/time/timer_stats.c
+++ b/kernel/time/timer_stats.c
@@ -371,6 +371,7 @@ static ssize_t tstats_write(struct file *file, const char __user *buf,
 	switch (ctl[0]) {
 	case '0':
 		if (timer_stats_active) {
+			reset_entries();
 			timer_stats_active = 0;
 			time_stop = ktime_get();
 			sync_access();
-- 
1.7.11.7

-- 
Best Regards,
Dong Zhu
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