From: Marcelo Tosatti <mtosatti@redhat.com>
To: Avi Kivity <avi@qumranet.com>, Anthony Liguori <anthony@codemonkey.ws>
Cc: kvm@vger.kernel.org, "Gerd v. Egidy" <lists@egidy.de>
Subject: [patch 0/2] virtio-blk async IO (v3)
Date: Thu, 05 Jun 2008 02:01:32 -0300 [thread overview]
Message-ID: <20080605050132.103488517@localhost.localdomain> (raw)
Resending the virtio-blk async patches, now that the reason for Gerd's
hangs are known.
The above results are on host hot-cached data, cold-cache data workloads
are the real winners, where the current code waits until each read
request is finished before submitting the next one.
ide:
Version 1.03 ------Sequential Output------ --Sequential Input- --Random-
-Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks--
Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP /sec %CP
localhost.locald 2G 36618 88 107274 31 80361 49 44311 98 292436 94 +++++ +++
virtio-blk:
Version 1.03 ------Sequential Output------ --Sequential Input- --Random-
-Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks--
Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP /sec %CP
localhost.locald 2G 39738 89 108389 31 82313 48 43943 98 290500 94 +++++ +++
virtio-blk-async:
Version 1.03 ------Sequential Output------ --Sequential Input- --Random-
-Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks--
Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP /sec %CP
localhost.locald 2G 40781 92 102806 34 86887 36 44339 97 347461 78 +++++ +++
--
next reply other threads:[~2008-06-05 5:15 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-05 5:01 Marcelo Tosatti [this message]
2008-06-05 5:01 ` [patch 1/2] QEMU/KVM: provide a reset method for virtio Marcelo Tosatti
2008-06-05 5:01 ` [patch 2/2] QEMU/KVM: virtio-blk async IO (v3) Marcelo Tosatti
2008-06-05 7:50 ` [patch 0/2] " Avi Kivity
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