Re: [linus:master] [perf/x86/intel] 25dfc9e357: kvm-unit-tests-qemu.pmu.fail

[Oliver Sang]

hi, Dapeng Mi,

On Tue, Sep 24, 2024 at 10:17:17AM +0800, Mi, Dapeng wrote:
> 
> On 9/23/2024 12:31 PM, Oliver Sang wrote:
> > hi, Kan,
> >
> > On Fri, Sep 20, 2024 at 09:27:06AM -0400, Liang, Kan wrote:
> >
> >>> ...
> >>> PASS msr (1836 tests)
> >>> FAIL pmu (143 tests, 24 unexpected failures, 14 skipped)  <---
> >> Is there a list to show which checks are failed?
> > I attached a pmu.log.
> >
> > below failed which can pass on parent (v6.11-rc5)
> >
> > FAIL: Intel: overflow: cntr-0
> > FAIL: Intel: overflow: status-0
> > FAIL: Intel: overflow: cntr-1
> > FAIL: Intel: overflow: status-1
> > FAIL: Intel: overflow: irq-1
> > FAIL: Intel: overflow: cntr-2
> > FAIL: Intel: overflow: status-2
> > FAIL: Intel: overflow: cntr-3
> > FAIL: Intel: overflow: status-3
> > FAIL: Intel: overflow: irq-3
> > FAIL: Intel: overflow: cntr-4
> > FAIL: Intel: overflow: status-4
> > FAIL: Intel: full-width writes: overflow: cntr-0
> > FAIL: Intel: full-width writes: overflow: status-0
> > FAIL: Intel: full-width writes: overflow: cntr-1
> > FAIL: Intel: full-width writes: overflow: status-1
> > FAIL: Intel: full-width writes: overflow: irq-1
> > FAIL: Intel: full-width writes: overflow: cntr-2
> > FAIL: Intel: full-width writes: overflow: status-2
> > FAIL: Intel: full-width writes: overflow: cntr-3
> > FAIL: Intel: full-width writes: overflow: status-3
> > FAIL: Intel: full-width writes: overflow: irq-3
> > FAIL: Intel: full-width writes: overflow: cntr-4
> > FAIL: Intel: full-width writes: overflow: status-4
> 
> Hi Oliver,
> 
> What HW platform do you see this error on? 

it's on a Haswell desktop
test machine: 8 threads 1 sockets Intel(R) Core(TM) i7-4770 CPU @ 3.40GHz (Haswell) with 16G memory

> If possible, could you please
> apply the previously mentioned KUT/pmu patchset and check if the issue can
> be fixed? Thanks.

do you have a repo/branch? unfortunately, our bot failed to fetch this
patch-set.

> 
> Dapeng Mi
> 
> >
> >
> >> Thanks,
> >> Kan
> >>
> >>> PASS pmu_lbr (3 tests)
> >>> SKIP pmu_pebs (1 tests, 1 skipped)
> >>> ...
> >>>
> >>>
> >>>
> >>> The kernel config and materials to reproduce are available at:
> >>> https://download.01.org/0day-ci/archive/20240920/202409201525.4877023e-oliver.sang@xxxxxxxxx
> >>>
> >>>
> >>>
>