From: "Edgar E. Iglesias" <edgar.iglesias@gmail.com>
To: Jan Kiszka <jan.kiszka@siemens.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>,
Anthony Liguori <aliguori@us.ibm.com>,
Marcelo Tosatti <mtosatti@redhat.com>,
qemu-devel@nongnu.org, Aurelien Jarno <aurelien@aurel32.net>
Subject: Re: [Qemu-devel] [PATCH v3 0/3] io-thread optimizations
Date: Mon, 22 Aug 2011 21:47:47 +0200 [thread overview]
Message-ID: <20110822194747.GA17772@zapo> (raw)
In-Reply-To: <cover.1314027959.git.jan.kiszka@siemens.com>
On Mon, Aug 22, 2011 at 05:46:00PM +0200, Jan Kiszka wrote:
> Rebased as requested, also fixing a compiler warning about last_io being
> write-only on !CONFIG_IOTHREAD. That "__attribute__ ((unused))" in patch
> 2 can be removed again when CONFIG_IOTHREAD becomes mandatory.
>
> Jan Kiszka (3):
> Do not drop global mutex for polled main loop runs
> Poll main loop after I/O events were received
> Do not kick vcpus in TCG mode
>
> cpus.c | 2 +-
> sysemu.h | 2 +-
> vl.c | 22 ++++++++++++++++------
> 3 files changed, 18 insertions(+), 8 deletions(-)
I tested with SMP guests on SMP hosts and can confirm that this
brings a huge speed up. Last time I tested these patches I only
ran UP, and saw no difference.
Acked-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
next prev parent reply other threads:[~2011-08-22 19:47 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-22 15:46 [Qemu-devel] [PATCH v3 0/3] io-thread optimizations Jan Kiszka
2011-08-22 15:46 ` [Qemu-devel] [PATCH v3 1/3] Do not drop global mutex for polled main loop runs Jan Kiszka
2011-08-22 15:46 ` [Qemu-devel] [PATCH v3 2/3] Poll main loop after I/O events were received Jan Kiszka
2011-08-22 15:46 ` [Qemu-devel] [PATCH v3 3/3] Do not kick vcpus in TCG mode Jan Kiszka
2011-08-22 19:47 ` Edgar E. Iglesias [this message]
2011-08-22 20:20 ` [Qemu-devel] [PATCH v3 0/3] io-thread optimizations Anthony Liguori
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=20110822194747.GA17772@zapo \
--to=edgar.iglesias@gmail.com \
--cc=aliguori@us.ibm.com \
--cc=aurelien@aurel32.net \
--cc=jan.kiszka@siemens.com \
--cc=mtosatti@redhat.com \
--cc=pbonzini@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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).