From: Jan Kiszka <jan.kiszka@siemens.com>
To: Avi Kivity <avi@redhat.com>
Cc: Anthony Liguori <aliguori@us.ibm.com>,
qemu-devel <qemu-devel@nongnu.org>,
Gerd Hoffmann <kraxel@redhat.com>
Subject: Re: [Qemu-devel] [PATCH v3 5/6] vga: Use linear mapping + dirty logging in chain 4 memory access mode
Date: Thu, 25 Aug 2011 12:51:17 +0200 [thread overview]
Message-ID: <4E562925.30100@siemens.com> (raw)
In-Reply-To: <4E5627E3.4070507@redhat.com>
On 2011-08-25 12:45, Avi Kivity wrote:
> On 08/25/2011 12:21 PM, Jan Kiszka wrote:
>>>
>>> Still slow. I tried an old F11 image I had lying around, and -snapshot
>>> /dev/sda, but this laptop was installed many years ago. I'll download
>>> some more images and try.
>>
>> You may also want to instrument vga_update_memory_access if some
>> requirement for linear mapping is not fulfilled.
>>
>
> Plain F15 is slow. SR2 = SR4 = 0.
So it's not using chain4 mode. Can you check what mode the adapter is
actually in and how VRAM is accessed? Likely, there is nothing we can do
about it. /me just wonders what makes F15 grub behave differently from
other distro's versions...
Jan
--
Siemens AG, Corporate Technology, CT T DE IT 1
Corporate Competence Center Embedded Linux
next prev parent reply other threads:[~2011-08-25 10:51 UTC|newest]
Thread overview: 68+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-22 17:12 [Qemu-devel] [PATCH v3 0/6] vga: dirty log cleanup, more linear mapping Jan Kiszka
2011-08-22 17:12 ` [Qemu-devel] [PATCH v3 1/6] vmware-vga: Register reset service Jan Kiszka
2011-08-22 17:12 ` [Qemu-devel] [PATCH v3 2/6] vmware-vga: Disable verbose mode Jan Kiszka
2011-08-22 17:12 ` [Qemu-devel] [PATCH v3 3/6] vmware-vga: Remove dead DIRECT_VRAM mode Jan Kiszka
2011-08-22 17:12 ` [Qemu-devel] [PATCH v3 4/6] vmware-vga: Eliminate vga_dirty_log_restart Jan Kiszka
2011-08-22 17:12 ` [Qemu-devel] [PATCH v3 5/6] vga: Use linear mapping + dirty logging in chain 4 memory access mode Jan Kiszka
2011-08-25 7:19 ` Avi Kivity
2011-08-25 9:07 ` Jan Kiszka
2011-08-25 9:16 ` Avi Kivity
2011-08-25 9:21 ` Jan Kiszka
2011-08-25 10:45 ` Avi Kivity
2011-08-25 10:51 ` Jan Kiszka [this message]
2011-08-25 11:19 ` Avi Kivity
2011-08-25 11:28 ` Jan Kiszka
2011-09-12 15:20 ` Alexander Graf
2011-09-12 15:33 ` Jan Kiszka
2011-09-12 15:45 ` Andreas Färber
2011-09-12 15:49 ` Jan Kiszka
2011-09-12 15:57 ` Jan Kiszka
2011-09-13 7:39 ` Alexander Graf
2011-09-13 8:14 ` Jan Kiszka
2011-09-13 8:17 ` Alexander Graf
2011-09-13 8:19 ` Andreas Färber
2011-09-13 8:40 ` Alexander Graf
2011-09-13 9:00 ` Jan Kiszka
2011-09-13 9:42 ` Alexander Graf
2011-09-13 11:34 ` Jan Kiszka
2011-09-13 19:39 ` Blue Swirl
2011-09-14 7:11 ` Avi Kivity
2011-09-14 7:42 ` Alexander Graf
2011-09-14 8:02 ` Jan Kiszka
2011-09-14 8:17 ` Avi Kivity
2011-09-14 8:20 ` Jan Kiszka
2011-09-14 8:22 ` Avi Kivity
2011-09-14 8:24 ` Jan Kiszka
2011-09-14 8:27 ` Alexander Graf
2011-09-14 8:33 ` Jan Kiszka
2011-09-14 8:35 ` Avi Kivity
2011-09-14 20:06 ` Blue Swirl
2011-09-14 20:14 ` Alexander Graf
2011-09-14 20:16 ` Avi Kivity
2011-09-14 20:35 ` Alexander Graf
2011-09-14 20:42 ` Richard Henderson
2011-09-14 21:27 ` Andreas Färber
2011-09-14 21:41 ` Alexander Graf
2011-09-15 1:24 ` Benjamin Herrenschmidt
2011-09-15 7:32 ` Avi Kivity
2011-09-15 7:35 ` Alexander Graf
2011-09-15 10:01 ` Benjamin Herrenschmidt
2011-09-15 11:31 ` Avi Kivity
2011-09-17 21:40 ` Blue Swirl
2011-09-18 11:28 ` Avi Kivity
2011-09-19 9:15 ` Alexander Graf
2011-09-19 9:22 ` Avi Kivity
2011-09-19 9:36 ` Alexander Graf
2011-09-19 9:48 ` Avi Kivity
2011-09-14 20:15 ` Avi Kivity
2011-09-14 20:25 ` Blue Swirl
2011-09-15 7:30 ` Avi Kivity
2011-09-13 9:43 ` Andreas Färber
2011-09-12 20:21 ` Blue Swirl
2011-09-13 6:54 ` Alexander Graf
2011-09-13 7:51 ` Avi Kivity
2011-09-13 7:54 ` Alexander Graf
2011-09-13 8:10 ` Avi Kivity
2011-08-22 17:12 ` [Qemu-devel] [PATCH v3 6/6] vga: Drop some unused fields Jan Kiszka
2011-08-22 20:18 ` [Qemu-devel] [PATCH v3 0/6] vga: dirty log cleanup, more linear mapping Anthony Liguori
2011-08-22 20:36 ` Jan Kiszka
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=4E562925.30100@siemens.com \
--to=jan.kiszka@siemens.com \
--cc=aliguori@us.ibm.com \
--cc=avi@redhat.com \
--cc=kraxel@redhat.com \
--cc=qemu-devel@nongnu.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.