Re: [perf metricgroup] fcc9c5243c: perf-sanity-tests.Parse_and_process_metrics.fail

[Jin, Yao]

On 10/19/2020 9:52 AM, Andi Kleen wrote:
> > I believe this is a Skylake and there is a known bug in the Skylake
> > metric DRAM_Parallel_Reads as described here:
> > https://lore.kernel.org/lkml/CAP-5=fXejVaQa9qfW66cY77qB962+jbe8tT5bsLoOOcFmODnWQ@xxxxxxxxxxxxxx/
> > Fixing the bug needs more knowledge than what is available in manuals.
> > Hopefully Intel can take a look.
>
> Oh I missed the original mail for some reason.  Yes it should be cmask instead of thresh
> for client.  I think thresh is used on the server uncore only, not on the client.
>
> Jin Yao, can you send a patch please?
>
> -Andi

Yes, the DRAM_Parallel_Reads works on server but it's failed on client.

I will post a patch to fix that.

Thanks
Jin Yao