From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
To: Bob Liu <bob.liu@oracle.com>
Cc: xen-devel@lists.xen.org, linux-kernel@vger.kernel.org,
roger.pau@citrix.com, felipe.franciosi@citrix.com, axboe@fb.com,
avanzini.arianna@gmail.com, rafal.mielniczuk@citrix.com,
jonathan.davies@citrix.com, david.vrabel@citrix.com
Subject: Re: [PATCH v4 10/10] xen/blkback: make pool of persistent grants and free pages per-queue
Date: Thu, 5 Nov 2015 14:50:07 -0500 [thread overview]
Message-ID: <20151105195000.GA3559@x230.dumpdata.com> (raw)
In-Reply-To: <563AC2ED.8020205@oracle.com>
On Thu, Nov 05, 2015 at 10:46:05AM +0800, Bob Liu wrote:
>
> On 11/05/2015 10:43 AM, Konrad Rzeszutek Wilk wrote:
> > On Mon, Nov 02, 2015 at 12:21:46PM +0800, Bob Liu wrote:
> >> Make pool of persistent grants and free pages per-queue/ring instead of
> >> per-device to get better scalability.
> >
> > How much better scalability do we get?
> >
>
> Which already showed in [00/10], I paste them here:
>
> domU(orig) 4 queues 8 queues 16 queues
> iops: 690k 1024k(+30%) 800k 750k
>
>
> After patch 9 and 10:
> domU(orig) 4 queues 8 queues 16 queues
> iops: 690k 1600k(+100%) 1450k 1320k
And if you split it? As in only patch 9?
If you could - please mention in the description that with
4 queues with this patch you get 100% increase in IOPS.
>
> Chart: https://www.dropbox.com/s/agrcy2pbzbsvmwv/iops.png?dl=0
next prev parent reply other threads:[~2015-11-05 19:50 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-02 4:21 [PATCH v4 00/10] xen-block: multi hardware-queues/rings support Bob Liu
2015-11-02 4:21 ` [PATCH v4 01/10] xen/blkif: document blkif multi-queue/ring extension Bob Liu
2015-11-02 4:21 ` [PATCH v4 02/10] xen/blkfront: separate per ring information out of device info Bob Liu
2015-11-02 4:49 ` kbuild test robot
2015-11-02 5:33 ` Bob Liu
2015-11-02 4:21 ` [PATCH v4 03/10] xen/blkfront: pseudo support for multi hardware queues/rings Bob Liu
[not found] ` <20151103194436.GE28527@char.us.oracle.com>
2015-11-04 1:01 ` Bob Liu
2015-11-02 4:21 ` [PATCH v4 04/10] xen/blkfront: split per device io_lock Bob Liu
[not found] ` <20151103200902.GF28527@char.us.oracle.com>
2015-11-04 1:07 ` Bob Liu
2015-11-04 1:51 ` Konrad Rzeszutek Wilk
2015-11-02 4:21 ` [PATCH v4 05/10] xen/blkfront: negotiate number of queues/rings to be used with backend Bob Liu
[not found] ` <20151103204029.GH28527@char.us.oracle.com>
2015-11-04 1:11 ` Bob Liu
2015-11-04 1:53 ` Konrad Rzeszutek Wilk
2015-11-02 4:21 ` [PATCH v4 06/10] xen/blkback: separate ring information out of struct xen_blkif Bob Liu
2015-11-02 4:21 ` [PATCH v4 07/10] xen/blkback: pseudo support for multi hardware queues/rings Bob Liu
2015-11-05 2:30 ` Konrad Rzeszutek Wilk
2015-11-05 3:02 ` Bob Liu
2015-11-05 3:24 ` Konrad Rzeszutek Wilk
2015-11-02 4:21 ` [PATCH v4 08/10] xen/blkback: get the number of hardware queues/rings from blkfront Bob Liu
2015-11-05 2:37 ` Konrad Rzeszutek Wilk
2015-11-02 4:21 ` [PATCH v4 09/10] xen/blkfront: make persistent grants per-queue Bob Liu
2015-11-05 2:39 ` Konrad Rzeszutek Wilk
2015-11-02 4:21 ` [PATCH v4 10/10] xen/blkback: make pool of persistent grants and free pages per-queue Bob Liu
2015-11-05 2:43 ` Konrad Rzeszutek Wilk
2015-11-05 2:46 ` Bob Liu
2015-11-05 19:50 ` Konrad Rzeszutek Wilk [this message]
2015-11-02 11:19 ` [Xen-devel] [PATCH v4 00/10] xen-block: multi hardware-queues/rings support Julien Grall
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20151105195000.GA3559@x230.dumpdata.com \
--to=konrad.wilk@oracle.com \
--cc=avanzini.arianna@gmail.com \
--cc=axboe@fb.com \
--cc=bob.liu@oracle.com \
--cc=david.vrabel@citrix.com \
--cc=felipe.franciosi@citrix.com \
--cc=jonathan.davies@citrix.com \
--cc=linux-kernel@vger.kernel.org \
--cc=rafal.mielniczuk@citrix.com \
--cc=roger.pau@citrix.com \
--cc=xen-devel@lists.xen.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox