Re: [PATCH 0/3] perf/arm-cmn: Multi-DTC improvements
From: Will Deacon
Date: Mon Oct 23 2023 - 10:40:06 EST
On Fri, 20 Oct 2023 18:51:24 +0100, Robin Murphy wrote:
> On larger CMN configurations with multiple Debug & Trace Controllers,
> we've so far ignored the notion of DTC domains, mostly since they were
> not software-discoverable in the original CMN-600 design. However this
> means that if the user wants to monitor lots of individual nodes across
> the whole mesh, we end up multiplexing events which could otherwise
> happily run in parallel if we allocated DTC counters per-domain. This
> mini-series finally bites the bullet to do that.
>
> [...]
Applied to will (for-next/perf), thanks!
[1/3] perf/arm-cmn: Fix DTC domain detection
https://git.kernel.org/will/c/e3e73f511c49
[2/3] perf/arm-cmn: Rework DTC counters (again)
https://git.kernel.org/will/c/7633ec2c262f
[3/3] perf/arm-cmn: Enable per-DTC counter allocation
https://git.kernel.org/will/c/ab33c66fd8f1
Cheers,
--
Will
https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev