Re: [PATCH v2 3/3] perf/smmuv3: Synthesize IIDR from CoreSight ID registers

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On 2021-12-07 12:28, John Garry via iommu wrote:
On 07/12/2021 12:04, Robin Murphy wrote:

So is there some userspace part to go with this now?

FWIW I've not looked into it - is it just a case of someone knocking out some JSON from the MMU-600/700 TRMs, or is there still mroe to do?

That should just be it.

I had the impression that *some* part of the process was stalled until implementations can start providing meaningful IIDRs, but I wasn't sure whether that was tooling or just data. I just work the low-level enablement angle :)

Tooling should be ok, but I would just like to see more of these JSONs so any tooling issues can be ironed out.

Sounds good - Jean, Leo, is that something Linaro might like to pick up as part of the PMCG interest, or shall I make a note on my to-do list for the new year?

Thanks,
Robin.


Cheers,
John

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