[Tarantool-patches] [PATCH 1/2] fiber: reset clock stats on fiber.top_enable()
Serge Petrenko
sergepetrenko at tarantool.org
Wed Nov 13 21:04:00 MSK 2019
Follow-up #2694
---
src/lib/core/fiber.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/src/lib/core/fiber.c b/src/lib/core/fiber.c
index aebaba7f0..cad1e21b0 100644
--- a/src/lib/core/fiber.c
+++ b/src/lib/core/fiber.c
@@ -1206,12 +1206,15 @@ fiber_top_enable()
cord()->clock_acc = 0;
cord()->cpu_miss_count_last = 0;
cord()->clock_delta_last = 0;
+ cord()->clock_delta = 0;
struct timespec ts;
if (clock_gettime(CLOCK_THREAD_CPUTIME_ID, &ts) != 0) {
say_debug("clock_gettime(): failed to get this"
"thread's cpu time.");
return;
}
+ cord()->clock_last = __rdtscp(&cord()->cpu_id_last);
+ cord()->cpu_miss_count = 0;
cord()->cputime_last = (uint64_t) ts.tv_sec * FIBER_TIME_RES +
ts.tv_nsec;
}
--
2.21.0 (Apple Git-122)
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