From: Martin Mailand <martin@tuxadero.com>
To: Stefan Hajnoczi <stefanha@gmail.com>
Cc: Dongsu Park <dongsu.park@profitbricks.com>,
qemu-devel@nongnu.org, kvm@vger.kernel.org
Subject: Re: virtio-blk performance regression and qemu-kvm
Date: Mon, 05 Mar 2012 17:44:52 +0100 [thread overview]
Message-ID: <4F54ED84.7030601@tuxadero.com> (raw)
In-Reply-To: <CAJSP0QXfvFowedJN1mWnvTC+hBWLysdMK94XAbAkkk2O2-Lx2A@mail.gmail.com>
Am 05.03.2012 17:35, schrieb Stefan Hajnoczi:
>> 1. Test on i7 Laptop with Cpu governor "ondemand".
>> >
>> > v0.14.1
>> > bw=63492KB/s iops=15873
>> > bw=63221KB/s iops=15805
>> >
>> > v1.0
>> > bw=36696KB/s iops=9173
>> > bw=37404KB/s iops=9350
>> >
>> > master
>> > bw=36396KB/s iops=9099
>> > bw=34182KB/s iops=8545
>> >
>> > Change the Cpu governor to "performance"
>> > master
>> > bw=81756KB/s iops=20393
>> > bw=81453KB/s iops=20257
> Interesting finding. Did you show the 0.14.1 results with
> "performance" governor?
Hi Stefan,
all results are with "ondemand" except the one where I changed it to
"performance"
Do you want a v0.14.1 test with the governor on "performance"?
-martin
WARNING: multiple messages have this Message-ID (diff)
From: Martin Mailand <martin@tuxadero.com>
To: Stefan Hajnoczi <stefanha@gmail.com>
Cc: Dongsu Park <dongsu.park@profitbricks.com>,
kvm@vger.kernel.org, qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] virtio-blk performance regression and qemu-kvm
Date: Mon, 05 Mar 2012 17:44:52 +0100 [thread overview]
Message-ID: <4F54ED84.7030601@tuxadero.com> (raw)
In-Reply-To: <CAJSP0QXfvFowedJN1mWnvTC+hBWLysdMK94XAbAkkk2O2-Lx2A@mail.gmail.com>
Am 05.03.2012 17:35, schrieb Stefan Hajnoczi:
>> 1. Test on i7 Laptop with Cpu governor "ondemand".
>> >
>> > v0.14.1
>> > bw=63492KB/s iops=15873
>> > bw=63221KB/s iops=15805
>> >
>> > v1.0
>> > bw=36696KB/s iops=9173
>> > bw=37404KB/s iops=9350
>> >
>> > master
>> > bw=36396KB/s iops=9099
>> > bw=34182KB/s iops=8545
>> >
>> > Change the Cpu governor to "performance"
>> > master
>> > bw=81756KB/s iops=20393
>> > bw=81453KB/s iops=20257
> Interesting finding. Did you show the 0.14.1 results with
> "performance" governor?
Hi Stefan,
all results are with "ondemand" except the one where I changed it to
"performance"
Do you want a v0.14.1 test with the governor on "performance"?
-martin
next prev parent reply other threads:[~2012-03-05 16:44 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-10 14:36 virtio-blk performance regression and qemu-kvm Dongsu Park
2012-02-10 14:36 ` [Qemu-devel] " Dongsu Park
2012-02-12 23:55 ` Rusty Russell
2012-02-12 23:55 ` [Qemu-devel] " Rusty Russell
2012-02-21 16:45 ` Dongsu Park
2012-02-21 16:45 ` [Qemu-devel] " Dongsu Park
2012-02-21 22:16 ` Rusty Russell
2012-02-21 22:16 ` [Qemu-devel] " Rusty Russell
2012-02-13 11:57 ` Stefan Hajnoczi
2012-02-13 11:57 ` [Qemu-devel] " Stefan Hajnoczi
2012-02-21 15:57 ` Dongsu Park
2012-02-21 15:57 ` [Qemu-devel] " Dongsu Park
2012-02-21 17:27 ` Stefan Hajnoczi
2012-02-21 17:27 ` [Qemu-devel] " Stefan Hajnoczi
2012-02-22 16:48 ` Dongsu Park
2012-02-22 16:48 ` [Qemu-devel] " Dongsu Park
2012-02-22 19:53 ` Stefan Hajnoczi
2012-02-22 19:53 ` [Qemu-devel] " Stefan Hajnoczi
2012-02-28 16:39 ` Martin Mailand
2012-02-28 16:39 ` [Qemu-devel] " Martin Mailand
2012-02-28 17:05 ` Stefan Hajnoczi
2012-02-28 17:05 ` [Qemu-devel] " Stefan Hajnoczi
2012-02-28 17:15 ` Martin Mailand
2012-02-28 17:15 ` [Qemu-devel] " Martin Mailand
2012-02-29 8:38 ` Stefan Hajnoczi
2012-02-29 8:38 ` [Qemu-devel] " Stefan Hajnoczi
2012-02-29 13:12 ` Martin Mailand
2012-02-29 13:12 ` [Qemu-devel] " Martin Mailand
2012-02-29 13:44 ` Stefan Hajnoczi
2012-02-29 13:44 ` [Qemu-devel] " Stefan Hajnoczi
2012-02-29 13:52 ` Stefan Hajnoczi
2012-02-29 13:52 ` [Qemu-devel] " Stefan Hajnoczi
2012-03-05 16:13 ` Martin Mailand
2012-03-05 16:13 ` [Qemu-devel] " Martin Mailand
2012-03-05 16:35 ` Stefan Hajnoczi
2012-03-05 16:35 ` [Qemu-devel] " Stefan Hajnoczi
2012-03-05 16:44 ` Martin Mailand [this message]
2012-03-05 16:44 ` Martin Mailand
2012-03-06 12:59 ` Stefan Hajnoczi
2012-03-06 12:59 ` [Qemu-devel] " Stefan Hajnoczi
2012-03-06 22:07 ` Reeted
2012-03-06 22:07 ` Reeted
2012-03-07 8:04 ` Stefan Hajnoczi
2012-03-07 14:21 ` Reeted
2012-03-07 14:33 ` Stefan Hajnoczi
2012-03-07 14:33 ` Stefan Hajnoczi
2012-03-07 10:39 ` Martin Mailand
2012-03-07 10:39 ` [Qemu-devel] " Martin Mailand
2012-03-07 11:21 ` Paolo Bonzini
2012-03-07 11:21 ` [Qemu-devel] " Paolo Bonzini
2012-03-06 14:32 ` Dongsu Park
2012-03-06 14:32 ` [Qemu-devel] " Dongsu Park
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=4F54ED84.7030601@tuxadero.com \
--to=martin@tuxadero.com \
--cc=dongsu.park@profitbricks.com \
--cc=kvm@vger.kernel.org \
--cc=qemu-devel@nongnu.org \
--cc=stefanha@gmail.com \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.