From: Serge Petrenko <sergepetrenko@tarantool.org>
To: v.shpilevoy@tarantool.org
Cc: tarantool-patches@dev.tarantool.org
Subject: [Tarantool-patches] [PATCH 1/2] fiber: reset clock stats on fiber.top_enable()
Date: Wed, 13 Nov 2019 21:04:00 +0300 [thread overview]
Message-ID: <d66f924caa50b6cea6914e548906997fcf945027.1573667840.git.sergepetrenko@tarantool.org> (raw)
In-Reply-To: <cover.1573667840.git.sergepetrenko@tarantool.org>
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)
next prev parent reply other threads:[~2019-11-13 18:04 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-13 18:03 [Tarantool-patches] [PATCH 0/2] fiber.top(): minor fixup Serge Petrenko
2019-11-13 18:04 ` Serge Petrenko [this message]
2019-11-13 18:04 ` [Tarantool-patches] [PATCH 2/2] app/fiber: wait till a full event loop iteration ends Serge Petrenko
2019-11-13 22:52 ` Vladislav Shpilevoy
2019-11-14 14:21 ` Sergey Petrenko
2019-11-14 21:44 ` Vladislav Shpilevoy
2019-11-15 14:59 ` Serge Petrenko
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