Re: [PATCH 1/5] KVM: selftests: Factor code out of demand_paging_test

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On Mon, Nov 2, 2020 at 1:24 PM Peter Xu <peterx@xxxxxxxxxx> wrote:
>
> On Tue, Oct 27, 2020 at 04:37:29PM -0700, Ben Gardon wrote:
> > Much of the code in demand_paging_test can be reused by other, similar
> > multi-vCPU-memory-touching-perfromance-tests. Factor that common code
> > out for reuse.
> >
> > No functional change expected.
>
> Is there explicit reason to put the common code in a header rather than
> perf_test_util.c?  No strong opinion on this especially this is test code,
> just curious.  Since iiuc .c file is still preferred for things like this.
>

I don't have a compelling reason not to put the common code in a .c
file, and I agree that would probably be a better place for it. I'll
do that in a v2.

> >
> > This series was tested by running the following invocations on an Intel
> > Skylake machine:
> > dirty_log_perf_test -b 20m -i 100 -v 64
> > dirty_log_perf_test -b 20g -i 5 -v 4
> > dirty_log_perf_test -b 4g -i 5 -v 32
> > demand_paging_test -b 20m -v 64
> > demand_paging_test -b 20g -v 4
> > demand_paging_test -b 4g -v 32
> > All behaved as expected.
>
> May move this chunk to the cover letter to avoid keeping it in every commit
> (btw, you mentioned "this series" but I feel like you meant "you verified that
> after applying each of the commits").

I can move the testing description to the cover letter. I can only
definitively say I ran those tests at the last commit in the series,
so I'll amend the description to specify that the commits were tested
all together and not one by one.

>
> Thanks,
>
> --
> Peter Xu
>



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