From: Olaf Hering <olaf@aepfle.de>
To: hongkaixing@huawei.com
Cc: xen-devel@lists.xensource.com
Subject: Re: [PATCH] xenpaging:add a new array to speed up page-in in xenpaging
Date: Fri, 6 Jan 2012 14:07:38 +0100 [thread overview]
Message-ID: <20120106130737.GB1694@aepfle.de> (raw)
In-Reply-To: <20120105205910.GA29311@aepfle.de>
On Thu, Jan 05, Olaf Hering wrote:
> Is the page-out time for 512M really that fast? For me page-out is still
> really slow even when the pagefile is in tmpfs. It takes several
> minutes, I get around 4MB/s. page-in is around 20MB/s.
Wait, the slow page-out is due to the poll() timeout in
xenpaging_wait_for_event_or_timeout(). This can be fixed with some sort
of dynamic timeout while there is still something to page-out.
Olaf
next prev parent reply other threads:[~2012-01-06 13:07 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-05 3:08 [PATCH] xenpaging:add a new array to speed up page-in in xenpaging hongkaixing
2012-01-05 18:27 ` Ian Jackson
2012-01-06 2:35 ` Hongkaixing
2012-01-05 18:31 ` Ian Jackson
2012-01-06 2:35 ` Hongkaixing
2012-01-10 17:39 ` Olaf Hering
2012-01-11 7:15 ` Hongkaixing
2012-01-12 14:20 ` Olaf Hering
2012-01-09 11:50 ` Olaf Hering
2012-01-05 20:59 ` Olaf Hering
2012-01-06 2:35 ` Hongkaixing
2012-01-06 13:07 ` Olaf Hering [this message]
2012-01-07 8:55 ` Hongkaixing
2012-01-09 13:13 ` Olaf Hering
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