From: Igor Mammedov <imammedo@redhat.com>
To: Howard Spoelstra <hsp.cat7@gmail.com>
Cc: "Peter Maydell" <peter.maydell@linaro.org>,
"Richard Henderson" <richard.henderson@linaro.org>,
"QEMU Developers" <qemu-devel@nongnu.org>,
"Niek Linnenbank" <nieklinnenbank@gmail.com>,
qemu-arm <qemu-arm@nongnu.org>,
"Paolo Bonzini" <pbonzini@redhat.com>,
"Philippe Mathieu-Daudé" <philmd@redhat.com>
Subject: Re: Sudden slowdown of ARM emulation in master
Date: Wed, 26 Feb 2020 10:11:53 +0100 [thread overview]
Message-ID: <20200226101153.2fd3f7f8@redhat.com> (raw)
In-Reply-To: <CABLmASHCnd-BmdbgyCb+Sjmau5A+nqwWEwjqviabibzjMxe=5w@mail.gmail.com>
On Wed, 26 Feb 2020 09:45:48 +0100
Howard Spoelstra <hsp.cat7@gmail.com> wrote:
> On Wed, Feb 26, 2020 at 9:42 AM Peter Maydell <peter.maydell@linaro.org>
> wrote:
>
> > On Tue, 25 Feb 2020 at 23:08, Niek Linnenbank <nieklinnenbank@gmail.com>
> > wrote:
> >
> > > Just now I was working on some small fixes for the cubieboard machine
> > and rebasing my Allwinner H3 branches.
> > > While doing some testing, I noticed that suddenly the machines were much
> > slower than before.
> > > I only see this happening when I rebase to this commit:
> > > ca6155c0f2bd39b4b4162533be401c98bd960820 ("Merge tag 'patchew/
> > 20200219160953.13771-1-imammedo@redhat.com' of
> > https://github.com/patchew-project/qemu into HEAD")
> >
> > Yeah, I noticed a slowdown yesterday as well, but haven't tracked it down
> > as yet. The first thing would be to do a git bisect to try to narrow
> > down what commit caused it.
> >
> > thanks
> > -- PMM
> >
>
>
> Perhaps related? I noticed a slow down on qemu-system-ppc and tracked it
> down here:
> https://lists.nongnu.org/archive/html/qemu-devel/2020-02/msg07262.html
There might be some implicit dependency in TCG that depends on ram_size.
I'm looking for what it could be
> Best,
> Howard
next prev parent reply other threads:[~2020-02-26 9:17 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-25 23:07 Sudden slowdown of ARM emulation in master Niek Linnenbank
2020-02-26 8:41 ` Peter Maydell
2020-02-26 8:44 ` Philippe Mathieu-Daudé
2020-02-26 8:48 ` Peter Maydell
2020-02-26 8:51 ` Philippe Mathieu-Daudé
2020-02-26 8:45 ` Howard Spoelstra
2020-02-26 9:11 ` Igor Mammedov [this message]
2020-02-26 9:19 ` Igor Mammedov
2020-02-26 9:32 ` Howard Spoelstra
2020-02-26 10:14 ` Igor Mammedov
2020-02-26 10:03 ` Peter Maydell
2020-02-26 10:36 ` Mark Cave-Ayland
2020-02-26 14:13 ` Alex Bennée
2020-02-26 14:13 ` Alex Bennée
2020-02-26 14:45 ` Igor Mammedov
2020-02-26 14:45 ` Igor Mammedov
2020-02-26 15:29 ` Alex Bennée
2020-02-26 15:29 ` Alex Bennée
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=20200226101153.2fd3f7f8@redhat.com \
--to=imammedo@redhat.com \
--cc=hsp.cat7@gmail.com \
--cc=nieklinnenbank@gmail.com \
--cc=pbonzini@redhat.com \
--cc=peter.maydell@linaro.org \
--cc=philmd@redhat.com \
--cc=qemu-arm@nongnu.org \
--cc=qemu-devel@nongnu.org \
--cc=richard.henderson@linaro.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.