Re: [PATCH] KVM: selftests: memslot_perf_test: make host wait timeout configurable

[Maciej S. Szmigiero]

On 2.04.2026 12:29, Mayuresh Chitale wrote:
> When memslot_perf_test is run on qemu, sometimes the RW subtest fails
> due to sigalarm, indicating that the guest sync did not finish within
> the expected duration of 10 seconds. Since the current timeout value is
> itself a bump up from the original 2s, making the host timeout value
> configurable via a new command line parameter. Now the test can be
> invoked with '-a' argument to run the test with a suitable host timeout
> value.
>
> Signed-off-by: Mayuresh Chitale <mayuresh.chitale@xxxxxxxxxxxxxxxx>
> ---

Out of curiosity: which KVM-enabled setup takes more than 10 seconds
to run that RW test?
Does it have like, multiple levels of nesting?

When I wrote that test I calibrated it on a mid-range x86 machine,
where one iteration took on the order of 0.01 s.

10 s time limit per iteration is already three orders of magnitude
slower than that.

Otherwise, the patch looks sensible to me.

Thanks,
Maciej