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Re: Sudden slowdown of ARM emulation in master

From: Howard Spoelstra
Subject: Re: Sudden slowdown of ARM emulation in master
Date: Wed, 26 Feb 2020 09:45:48 +0100

On Wed, Feb 26, 2020 at 9:42 AM Peter Maydell <address@hidden> wrote:
On Tue, 25 Feb 2020 at 23:08, Niek Linnenbank <address@hidden> 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/address@hidden' 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.

-- PMM

Perhaps related? I noticed a slow down on qemu-system-ppc and tracked it down here:


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