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SubjectRe: [PATCH v5 1/3] perf vendor events amd: restrict model detection for zen1 based processors
On 3/16/20 5:52 PM, Vijay Thakkar wrote:
> This patch changes the previous blanket detection of AMD Family 17h
> processors to be more specific to Zen1 core based products only by
> replacing model detection regex pattern [[:xdigit:]]+ with
> ([12][0-9A-F]|[0-9A-F]), restricting to models 0 though 2f only.
> This change is required to allow for the addition of separate PMU events
> for Zen2 core based models in the following patches as those belong to family
> 17h but have different PMCs. Current PMU events directory has also been
> renamed to "amdzen1" from "amdfam17h" to reflect this specificity.
> Note that although this change does not break PMU counters for existing
> zen1 based systems, it does disable the current set of counters for zen2
> based systems. Counters for zen2 have been added in the following
> patches in this patchset.
> Signed-off-by: Vijay Thakkar <>

For the series:

Acked-by: Kim Phillips <>



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