Re: [PATCH v28 0/8] Timestamp synchronization of host - guest tracing session

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Hi Dario,

On Tue, Feb 9, 2021 at 9:28 AM Dario Faggioli <dfaggioli@xxxxxxxx> wrote:
>
> On Tue, 2021-02-09 at 08:08 +0200, Tzvetomir Stoyanov wrote:
> >
> > Also, please note that there are two patches that should be applied
> > also,
> > not part of v28 version of the patchset:
> >
> Aha!
>
> >   "trace-cmd: Fix plist allocation check in trace-msg.c"
> >
> > https://patchwork.kernel.org/project/linux-trace-devel/patch/20210203165431.792152a4@xxxxxxxxxxxxxxxxxx/
> >  "trace-cmd: Fix SEGFAULT when no tsync_protos are supplied"
> >
> > https://patchwork.kernel.org/project/linux-trace-devel/patch/20210203171018.5b82a0a7@xxxxxxxxxxxxxxxxxx/
> >
> I just applied both, and it now seems that things work!
>
> Or at least, host and guest talk, and I see this: "Negotiated kvm time
> sync protocol with guest (null)" (is that "(null)" ok/intentional? I
> guess I can check the code... :-))

That null looks like an error, the name of the guest VM should be printed there.
Thanks for testing these patches, I hope the code will be stabilized
and merged soon.

>
> Thanks a lot. :-)
> --
> Dario Faggioli, Ph.D
> http://about.me/dario.faggioli
> Virtualization Software Engineer
> SUSE Labs, SUSE https://www.suse.com/
> -------------------------------------------------------------------
> <<This happens because _I_ choose it to happen!>> (Raistlin Majere)



-- 
Tzvetomir (Ceco) Stoyanov
VMware Open Source Technology Center



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