[systemd-devel] stress test on systemd/dbus

[Haixiao Yan]

Hi smcv,

Your information is so helpful.

Thanks,

Haixiao

On 2024/12/13 20:01, Simon McVittie wrote:
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> On Fri, 13 Dec 2024 at 10:02:17 +0800, Yan, Haixiao (CN) wrote:
>> I have a stress test on systemd/dbus, after 17h, dbus-daemon is sleeping and
>> the context switching stops (voluntary_ctxt_switches stop increasing).
> There was a bug in Yocto's dbus-daemon packaging until recently where
> the dbus-daemon was (wrongly) compiled with test instrumentation, which
> had unintended side effects that could match this symptom. Fixed in,
> for example:
> https://git.yoctoproject.org/poky/commit/meta/recipes-core/dbus?id=82ef31b2550f2f7398dd7d1161e16aaf8acc9371
>
> This triggered some vaguely related issues:
> https://gitlab.freedesktop.org/dbus/dbus/-/issues/535
> https://gitlab.freedesktop.org/dbus/dbus/-/issues/536
> which are both fixed in dbus 1.15.92 (a release candidate for 1.16.0):
> https://lists.freedesktop.org/archives/dbus/2024-December/018495.html
>
> Please check that your dbus-daemon is a version and configuration that
> would not be affected by these.
>
> None of this really has anything to do with systemd.
>
>      smcv