All of lore.kernel.org
 help / color / mirror / Atom feed
From: Avi Kivity <avi@redhat.com>
To: kvm-ia64@vger.kernel.org
Subject: Re: [PATCH RFC v2 5/6] KVM: moving dirty bitmaps to user space
Date: Fri, 23 Apr 2010 11:45:37 +0000	[thread overview]
Message-ID: <4BD18861.6020603@redhat.com> (raw)
In-Reply-To: <20100420200225.efca602f.yoshikawa.takuya@oss.ntt.co.jp>

On 04/23/2010 02:14 PM, Takuya Yoshikawa wrote:
>
>> Do you have performance numbers? I'm interested in both measurements of
>> KVM_SWITCH_DIRTY_LOG under various conditions and macro benchmarks (for
>> example, total guest throughput improvement under Kemari).
>>
>
> Currently, I'm just checking the performance visually.
>   - on laptops, we can feel the speed directly: my favorite is installing
>     ubuntu or debian by alternate installers
>
>   - live migration with heavy work load
>
> Now that I've got the overall design, I want to measure the 
> performance by numbers.
>
>
> About performance under Kemari: we(oss.ntt.co.jp staffs: me and 
> Fernando) are
> now concentrating on improving the basic live-migration 
> infrastructures and
> they(lab.ntt.co.jp staffs) are working hard for building Kemari itself.
>
>   - We are also interested in using live-migration with HA software 
> and this needs
>     light, stable live-migration: same as Kemari!
>

General live migration improvements are also interesting, I just the 
improvement would be more pronounced under Kemari.  Looking forward to 
seeing the results.

-- 
Do not meddle in the internals of kernels, for they are subtle and quick to panic.


WARNING: multiple messages have this Message-ID (diff)
From: Avi Kivity <avi@redhat.com>
To: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp>
Cc: mtosatti@redhat.com, kvm@vger.kernel.org,
	kvm-ia64@vger.kernel.org, kvm-ppc@vger.kernel.org,
	fernando@oss.ntt.co.jp,
	Yoshiaki Tamura <tamura.yoshiaki@lab.ntt.co.jp>
Subject: Re: [PATCH RFC v2 5/6] KVM: moving dirty bitmaps to user space
Date: Fri, 23 Apr 2010 11:45:37 +0000	[thread overview]
Message-ID: <4BD18861.6020603@redhat.com> (raw)
In-Reply-To: <4BD1812E.6030707@oss.ntt.co.jp>

On 04/23/2010 02:14 PM, Takuya Yoshikawa wrote:
>
>> Do you have performance numbers? I'm interested in both measurements of
>> KVM_SWITCH_DIRTY_LOG under various conditions and macro benchmarks (for
>> example, total guest throughput improvement under Kemari).
>>
>
> Currently, I'm just checking the performance visually.
>   - on laptops, we can feel the speed directly: my favorite is installing
>     ubuntu or debian by alternate installers
>
>   - live migration with heavy work load
>
> Now that I've got the overall design, I want to measure the 
> performance by numbers.
>
>
> About performance under Kemari: we(oss.ntt.co.jp staffs: me and 
> Fernando) are
> now concentrating on improving the basic live-migration 
> infrastructures and
> they(lab.ntt.co.jp staffs) are working hard for building Kemari itself.
>
>   - We are also interested in using live-migration with HA software 
> and this needs
>     light, stable live-migration: same as Kemari!
>

General live migration improvements are also interesting, I just the 
improvement would be more pronounced under Kemari.  Looking forward to 
seeing the results.

-- 
Do not meddle in the internals of kernels, for they are subtle and quick to panic.


WARNING: multiple messages have this Message-ID (diff)
From: Avi Kivity <avi@redhat.com>
To: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp>
Cc: mtosatti@redhat.com, kvm@vger.kernel.org,
	kvm-ia64@vger.kernel.org, kvm-ppc@vger.kernel.org,
	fernando@oss.ntt.co.jp,
	Yoshiaki Tamura <tamura.yoshiaki@lab.ntt.co.jp>
Subject: Re: [PATCH RFC v2 5/6] KVM: moving dirty bitmaps to user space
Date: Fri, 23 Apr 2010 14:45:37 +0300	[thread overview]
Message-ID: <4BD18861.6020603@redhat.com> (raw)
In-Reply-To: <4BD1812E.6030707@oss.ntt.co.jp>

On 04/23/2010 02:14 PM, Takuya Yoshikawa wrote:
>
>> Do you have performance numbers? I'm interested in both measurements of
>> KVM_SWITCH_DIRTY_LOG under various conditions and macro benchmarks (for
>> example, total guest throughput improvement under Kemari).
>>
>
> Currently, I'm just checking the performance visually.
>   - on laptops, we can feel the speed directly: my favorite is installing
>     ubuntu or debian by alternate installers
>
>   - live migration with heavy work load
>
> Now that I've got the overall design, I want to measure the 
> performance by numbers.
>
>
> About performance under Kemari: we(oss.ntt.co.jp staffs: me and 
> Fernando) are
> now concentrating on improving the basic live-migration 
> infrastructures and
> they(lab.ntt.co.jp staffs) are working hard for building Kemari itself.
>
>   - We are also interested in using live-migration with HA software 
> and this needs
>     light, stable live-migration: same as Kemari!
>

General live migration improvements are also interesting, I just the 
improvement would be more pronounced under Kemari.  Looking forward to 
seeing the results.

-- 
Do not meddle in the internals of kernels, for they are subtle and quick to panic.


  parent reply	other threads:[~2010-04-23 11:45 UTC|newest]

Thread overview: 141+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-04-20 10:58 [PATCH RFC v2 5/6] KVM: moving dirty bitmaps to user space Takuya Yoshikawa
2010-04-20 11:02 ` Takuya Yoshikawa
2010-04-20 10:58 ` Takuya Yoshikawa
2010-04-20 11:10 ` Alexander Graf
2010-04-20 11:10   ` Alexander Graf
2010-04-20 11:10   ` Alexander Graf
2010-04-20 11:26 ` Takuya Yoshikawa
2010-04-20 11:26   ` Takuya Yoshikawa
2010-04-20 11:26   ` Takuya Yoshikawa
2010-04-21 11:26 ` Avi Kivity
2010-04-21 11:26   ` Avi Kivity
2010-04-21 11:26   ` Avi Kivity
2010-04-22  9:07 ` Takuya Yoshikawa
2010-04-22  9:07   ` Takuya Yoshikawa
2010-04-22  9:07   ` Takuya Yoshikawa
2010-04-23 10:28 ` Avi Kivity
2010-04-23 10:28   ` Avi Kivity
2010-04-23 10:28   ` Avi Kivity
2010-04-23 11:14 ` Takuya Yoshikawa
2010-04-23 11:14   ` Takuya Yoshikawa
2010-04-23 11:14   ` Takuya Yoshikawa
2010-04-23 11:29 ` Yoshiaki Tamura
2010-04-23 11:29   ` Yoshiaki Tamura
2010-04-23 11:29   ` Yoshiaki Tamura
2010-04-23 11:45 ` Avi Kivity [this message]
2010-04-23 11:45   ` Avi Kivity
2010-04-23 11:45   ` Avi Kivity
  -- strict thread matches above, loose matches on Subject: below --
2010-04-20 11:03 [PATCH RFC v2 6/6] KVM: introduce a new API for getting dirty Takuya Yoshikawa
2010-04-20 11:03 ` [PATCH RFC v2 6/6] KVM: introduce a new API for getting dirty bitmaps Takuya Yoshikawa
2010-04-20 11:03 ` [PATCH RFC v2 6/6] KVM: introduce a new API for getting dirty Takuya Yoshikawa
2010-04-20 11:15 ` [PATCH RFC v2 6/6] KVM: introduce a new API for getting dirty bitmaps Alexander Graf
2010-04-20 11:15   ` Alexander Graf
2010-04-20 11:15   ` Alexander Graf
2010-04-20 11:33 ` Alexander Graf
2010-04-20 11:33   ` Alexander Graf
2010-04-20 11:33   ` Alexander Graf
2010-04-20 11:33 ` [PATCH RFC v2 6/6] KVM: introduce a new API for getting dirty Takuya Yoshikawa
2010-04-20 11:33   ` [PATCH RFC v2 6/6] KVM: introduce a new API for getting dirty bitmaps Takuya Yoshikawa
2010-04-20 11:33   ` [PATCH RFC v2 6/6] KVM: introduce a new API for getting dirty Takuya Yoshikawa
2010-04-20 11:44 ` Takuya Yoshikawa
2010-04-20 11:44   ` [PATCH RFC v2 6/6] KVM: introduce a new API for getting dirty bitmaps Takuya Yoshikawa
2010-04-20 11:44   ` [PATCH RFC v2 6/6] KVM: introduce a new API for getting dirty Takuya Yoshikawa
2010-04-21  8:29 ` 
2010-04-21  8:29   ` [PATCH RFC v2 6/6] KVM: introduce a new API for getting dirty bitmaps Fernando Luis Vázquez Cao
2010-04-21  8:29   ` [PATCH RFC v2 6/6] KVM: introduce a new API for getting dirty 
2010-04-21  9:41 ` [PATCH RFC v2 6/6] KVM: introduce a new API for getting dirty bitmaps Alexander Graf
2010-04-21  9:41   ` Alexander Graf
2010-04-21  9:41   ` Alexander Graf
2010-04-21 11:46 ` [PATCH RFC v2 6/6] KVM: introduce a new API for getting dirty Avi Kivity
2010-04-21 11:46   ` [PATCH RFC v2 6/6] KVM: introduce a new API for getting dirty bitmaps Avi Kivity
2010-04-21 11:46   ` [PATCH RFC v2 6/6] KVM: introduce a new API for getting dirty Avi Kivity
2010-04-22  2:45 ` 
2010-04-22  2:45   ` [PATCH RFC v2 6/6] KVM: introduce a new API for getting dirty bitmaps Fernando Luis Vázquez Cao
2010-04-22  2:45   ` [PATCH RFC v2 6/6] KVM: introduce a new API for getting dirty 
2010-04-22  6:09 ` 
2010-04-22  6:09   ` [PATCH RFC v2 6/6] KVM: introduce a new API for getting dirty bitmaps Fernando Luis Vázquez Cao
2010-04-22  6:09   ` [PATCH RFC v2 6/6] KVM: introduce a new API for getting dirty 
2010-04-22  9:34 ` Takuya Yoshikawa
2010-04-22  9:34   ` [PATCH RFC v2 6/6] KVM: introduce a new API for getting dirty bitmaps Takuya Yoshikawa
2010-04-22  9:34   ` [PATCH RFC v2 6/6] KVM: introduce a new API for getting dirty Takuya Yoshikawa
2010-04-22 23:29 ` [PATCH RFC v2 6/6] KVM: introduce a new API for getting dirty bitmaps Alexander Graf
2010-04-22 23:29   ` Alexander Graf
2010-04-22 23:29   ` Alexander Graf
2010-04-23 10:17 ` [PATCH RFC v2 6/6] KVM: introduce a new API for getting dirty 
2010-04-23 10:17   ` [PATCH RFC v2 6/6] KVM: introduce a new API for getting dirty bitmaps Fernando Luis Vázquez Cao
2010-04-23 10:17   ` [PATCH RFC v2 6/6] KVM: introduce a new API for getting dirty 
2010-04-23 10:20 ` [PATCH RFC v2 6/6] KVM: introduce a new API for getting dirty bitmaps Alexander Graf
2010-04-23 10:20   ` Alexander Graf
2010-04-23 10:20   ` Alexander Graf
2010-04-23 11:57 ` [PATCH RFC v2 6/6] KVM: introduce a new API for getting dirty Avi Kivity
2010-04-23 11:57   ` [PATCH RFC v2 6/6] KVM: introduce a new API for getting dirty bitmaps Avi Kivity
2010-04-23 11:57   ` [PATCH RFC v2 6/6] KVM: introduce a new API for getting dirty Avi Kivity
2010-04-23 11:58 ` Avi Kivity
2010-04-23 11:58   ` [PATCH RFC v2 6/6] KVM: introduce a new API for getting dirty bitmaps Avi Kivity
2010-04-23 11:58   ` [PATCH RFC v2 6/6] KVM: introduce a new API for getting dirty Avi Kivity
2010-04-23 12:26 ` [PATCH RFC v2 6/6] KVM: introduce a new API for getting dirty bitmaps Alexander Graf
2010-04-23 12:26   ` Alexander Graf
2010-04-23 12:26   ` Alexander Graf
2010-04-23 12:27 ` Arnd Bergmann
2010-04-23 12:27   ` Arnd Bergmann
2010-04-23 12:27   ` Arnd Bergmann
2010-04-23 12:42 ` [PATCH RFC v2 6/6] KVM: introduce a new API for getting dirty Avi Kivity
2010-04-23 12:42   ` [PATCH RFC v2 6/6] KVM: introduce a new API for getting dirty bitmaps Avi Kivity
2010-04-23 12:42   ` [PATCH RFC v2 6/6] KVM: introduce a new API for getting dirty Avi Kivity
2010-04-23 12:46 ` [PATCH RFC v2 6/6] KVM: introduce a new API for getting dirty bitmaps Arnd Bergmann
2010-04-23 12:46   ` Arnd Bergmann
2010-04-23 12:46   ` Arnd Bergmann
2010-04-23 12:53 ` [PATCH RFC v2 6/6] KVM: introduce a new API for getting dirty Avi Kivity
2010-04-23 12:53   ` [PATCH RFC v2 6/6] KVM: introduce a new API for getting dirty bitmaps Avi Kivity
2010-04-23 12:53   ` [PATCH RFC v2 6/6] KVM: introduce a new API for getting dirty Avi Kivity
2010-04-23 12:59 ` [PATCH RFC v2 6/6] KVM: introduce a new API for getting dirty bitmaps Alexander Graf
2010-04-23 12:59   ` Alexander Graf
2010-04-23 12:59   ` Alexander Graf
2010-04-23 13:12 ` Arnd Bergmann
2010-04-23 13:12   ` Arnd Bergmann
2010-04-23 13:12   ` Arnd Bergmann
2010-04-23 13:20 ` [PATCH RFC v2 6/6] KVM: introduce a new API for getting dirty Avi Kivity
2010-04-23 13:20   ` [PATCH RFC v2 6/6] KVM: introduce a new API for getting dirty bitmaps Avi Kivity
2010-04-23 13:20   ` [PATCH RFC v2 6/6] KVM: introduce a new API for getting dirty Avi Kivity
2010-04-20 10:59 [PATCH RFC v2 3/6] KVM: introduce a wrapper function to copy dirty Takuya Yoshikawa
2010-04-20 10:59 ` [PATCH RFC v2 3/6] KVM: introduce a wrapper function to copy dirty bitmaps to user space Takuya Yoshikawa
2010-04-20 10:59 ` [PATCH RFC v2 3/6] KVM: introduce a wrapper function to copy dirty Takuya Yoshikawa
2010-04-21 11:12 ` [PATCH RFC v2 3/6] KVM: introduce a wrapper function to copy Avi Kivity
2010-04-21 11:12   ` [PATCH RFC v2 3/6] KVM: introduce a wrapper function to copy dirty bitmaps to user space Avi Kivity
2010-04-21 11:12   ` [PATCH RFC v2 3/6] KVM: introduce a wrapper function to copy Avi Kivity
2010-04-22  8:57 ` Takuya Yoshikawa
2010-04-22  8:57   ` [PATCH RFC v2 3/6] KVM: introduce a wrapper function to copy dirty bitmaps to user space Takuya Yoshikawa
2010-04-22  8:57   ` [PATCH RFC v2 3/6] KVM: introduce a wrapper function to copy Takuya Yoshikawa
2010-04-23 10:26 ` Avi Kivity
2010-04-23 10:26   ` [PATCH RFC v2 3/6] KVM: introduce a wrapper function to copy dirty bitmaps to user space Avi Kivity
2010-04-23 10:26   ` [PATCH RFC v2 3/6] KVM: introduce a wrapper function to copy Avi Kivity
2010-04-20 10:57 [PATCH RFC v2 2/6] KVM: introduce wrapper functions to create and Takuya Yoshikawa
2010-04-20 10:57 ` [PATCH RFC v2 2/6] KVM: introduce wrapper functions to create and destroy dirty bitmaps Takuya Yoshikawa
2010-04-20 10:57 ` [PATCH RFC v2 2/6] KVM: introduce wrapper functions to create and Takuya Yoshikawa
2010-04-20 10:57 [PATCH RFC v2 4/6] KVM: change mark_page_dirty() to handle endian Takuya Yoshikawa
2010-04-20 11:00 ` [PATCH RFC v2 4/6] KVM: change mark_page_dirty() to handle endian issues explicitly Takuya Yoshikawa
2010-04-20 10:57 ` [PATCH RFC v2 4/6] KVM: change mark_page_dirty() to handle endian Takuya Yoshikawa
2010-04-20 11:00 ` [PATCH RFC v2 4/6] KVM: change mark_page_dirty() to handle endian issues explicitly Alexander Graf
2010-04-20 11:00   ` Alexander Graf
2010-04-20 11:00   ` Alexander Graf
2010-04-20 11:20 ` [PATCH RFC v2 4/6] KVM: change mark_page_dirty() to handle endian Takuya Yoshikawa
2010-04-20 11:20   ` [PATCH RFC v2 4/6] KVM: change mark_page_dirty() to handle endian issues explicitly Takuya Yoshikawa
2010-04-20 11:20   ` [PATCH RFC v2 4/6] KVM: change mark_page_dirty() to handle endian Takuya Yoshikawa
2010-04-21 11:15 ` Avi Kivity
2010-04-21 11:15   ` [PATCH RFC v2 4/6] KVM: change mark_page_dirty() to handle endian issues explicitly Avi Kivity
2010-04-21 11:15   ` [PATCH RFC v2 4/6] KVM: change mark_page_dirty() to handle endian Avi Kivity
2010-04-20 10:56 [PATCH RFC v2 1/6] KVM: introduce slot level dirty state management Takuya Yoshikawa
2010-04-20 10:56 ` Takuya Yoshikawa
2010-04-20 10:56 ` Takuya Yoshikawa
2010-04-20 10:53 [PATCH RFC v2 0/6] KVM: moving dirty gitmaps to user space! Takuya Yoshikawa
2010-04-20 10:53 ` Takuya Yoshikawa
2010-04-20 10:53 ` Takuya Yoshikawa
2010-04-20 10:54 ` Alexander Graf
2010-04-20 10:54   ` Alexander Graf
2010-04-20 10:54   ` Alexander Graf
2010-04-20 11:13 ` Takuya Yoshikawa
2010-04-20 11:13   ` Takuya Yoshikawa
2010-04-20 11:13   ` Takuya Yoshikawa
2010-04-20 12:05 ` Takuya Yoshikawa
2010-04-20 12:05   ` Takuya Yoshikawa
2010-04-20 12:05   ` Takuya Yoshikawa

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=4BD18861.6020603@redhat.com \
    --to=avi@redhat.com \
    --cc=kvm-ia64@vger.kernel.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 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.