From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:55346) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZD2ol-0006zC-Aq for qemu-devel@nongnu.org; Wed, 08 Jul 2015 23:48:11 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ZD2ok-0004fY-GD for qemu-devel@nongnu.org; Wed, 08 Jul 2015 23:48:11 -0400 From: Fam Zheng Date: Thu, 9 Jul 2015 11:47:57 +0800 Message-Id: <1436413678-7114-3-git-send-email-famz@redhat.com> In-Reply-To: <1436413678-7114-1-git-send-email-famz@redhat.com> References: <1436413678-7114-1-git-send-email-famz@redhat.com> Subject: [Qemu-devel] [PATCH 2/3] mirror: Use block_job_relax_cpu during bitmap scanning List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Kevin Wolf , Jeff Cody , qemu-block@nongnu.org Sleeping for 0 second may not be as effective as we want, use block_job_relax_cpu. Signed-off-by: Fam Zheng --- 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