Re: [OE-core] [PATCH 1/2] qemurunner: Impove stdout logging handling

["Alex Bennée" <alex.bennee@linaro.org>]

"Richard Purdie" <richard.purdie@linuxfoundation.org> writes:

> On Mon, 2023-12-18 at 09:45 -0800, Khem Raj wrote:
>> I tried the two patches in this series. It did improve the situation
>> but I am still getting SSH timeouts. But this time its 13 tests
>> earlier it used to be 40+
>> btw. my images are using systemd. So it might be good to see if we see
>> this with poky-altcfg as well or not.
>
> Do you have the log.do_testimage and the ${WORKDIR}/testimage/ files?
>
> Did you still see rcu stalls in the logs?

rcu stalls in the kernel is just a sign of QEMU's relative inefficiency
compared to real HW. However multiple -smp will help alleviate busy
vCPUs if you can. If you want guest time to be a bit more realistic you
can use icount but actual wall clock time will be longer as you can only
have one thread.

>
> Cheers,
>
> Richard
>
>
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-- 
Alex Bennée
Virtualisation Tech Lead @ Linaro