Re: [PATCH v10 00/14] Allow preemption during IPI completion waiting to improve real-time performance

[Borislav Petkov]

On Fri, Jul 24, 2026 at 11:08:56AM +0800, Chuyi Zhou wrote:
> A more meaningful experiment would be a controlled, long-running
> comparison between the baseline and patched kernels on comparable
> production AMD Zen 3 or newer machines. We could then collect the same
> 30-second maximum preemption-disabled distributions and DPDK wake-up
> latency over a sufficiently long period. That would also help separate
> the remaining INVLPGB/TLBSYNC latency from latency caused by other
> synchronous IPI users.
> 
> If I have the opportunity to perform such a production comparison, I
> will report the results.

Well, I happen to have the hardware :).

Would it be possible for me to run this measurement and check? I've never
dealt with DPDK so it should be something simple.

Thx.

-- 
Regards/Gruss,
    Boris.

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