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

Andi Kleen ak at linux.intel.com
Sun Oct 18 21:52:25 EDT 2020


> 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@mail.gmail.com/
> 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




More information about the linux-arm-kernel mailing list