From: Fam Zheng <famz@redhat.com>
To: qemu-devel@nongnu.org
Cc: Kevin Wolf <kwolf@redhat.com>, Jeff Cody <jcody@redhat.com>,
qemu-block@nongnu.org
Subject: [Qemu-devel] [PATCH 2/3] mirror: Use block_job_relax_cpu during bitmap scanning
Date: Thu, 9 Jul 2015 11:47:57 +0800 [thread overview]
Message-ID: <1436413678-7114-3-git-send-email-famz@redhat.com> (raw)
In-Reply-To: <1436413678-7114-1-git-send-email-famz@redhat.com>
Sleeping for 0 second may not be as effective as we want, use
block_job_relax_cpu.
Signed-off-by: Fam Zheng <famz@redhat.com>
---
block/mirror.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/block/mirror.c b/block/mirror.c
index 62db031..ca55578 100644
--- a/block/mirror.c
+++ b/block/mirror.c
@@ -438,7 +438,7 @@ static void coroutine_fn mirror_run(void *opaque)
if (now - last_pause_ns > SLICE_TIME) {
last_pause_ns = now;
- block_job_sleep_ns(&s->common, QEMU_CLOCK_REALTIME, 0);
+ block_job_relax_cpu(&s->common);
}
if (block_job_is_cancelled(&s->common)) {
--
2.4.3
next prev parent reply other threads:[~2015-07-09 3:48 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-09 3:47 [Qemu-devel] [PATCH 0/3] mirror: Fix guest responsiveness during bitmap scan Fam Zheng
2015-07-09 3:47 ` [Qemu-devel] [PATCH 1/3] blockjob: Introduce block_job_relax_cpu Fam Zheng
2015-07-09 12:54 ` [Qemu-devel] [Qemu-block] " Stefan Hajnoczi
2015-07-10 3:42 ` Alexandre DERUMIER
2015-07-14 12:31 ` Stefan Hajnoczi
2015-07-15 10:32 ` Fam Zheng
2015-07-16 13:21 ` Stefan Hajnoczi
2015-07-09 3:47 ` Fam Zheng [this message]
2015-07-09 13:00 ` [Qemu-devel] [Qemu-block] [PATCH 2/3] mirror: Use block_job_relax_cpu during bitmap scanning Stefan Hajnoczi
2015-07-09 3:47 ` [Qemu-devel] [PATCH 3/3] mirror: Speed up bitmap initial scanning Fam Zheng
2015-07-09 13:00 ` Stefan Hajnoczi
2015-07-14 13:21 ` Stefan Hajnoczi
2015-07-09 11:51 ` [Qemu-devel] [PATCH 0/3] mirror: Fix guest responsiveness during bitmap scan Alexandre DERUMIER
2015-07-09 13:02 ` [Qemu-devel] [Qemu-block] " Stefan Hajnoczi
2015-07-09 13:18 ` Alexandre DERUMIER
2015-07-10 6:43 ` Fam Zheng
2015-07-10 6:54 ` Alexandre DERUMIER
2015-07-10 7:13 ` Fam Zheng
2015-07-10 10:36 ` Alexandre DERUMIER
2015-07-10 12:16 ` Alexandre DERUMIER
2015-07-13 5:08 ` Fam Zheng
2015-07-14 12:40 ` Stefan Hajnoczi
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