Re: [PATCH v2 4/4] coresight: Add pmu_pulse/extout_pulse
From: Amir Ayupov
Date: Sun Oct 25 2026 - 02:39:20 EST
On Mon, 12 Oct 2026 22:09:35 -0300 Daniel Pereira <danielmaraboo@xxxxxxxxx> wrote:
> On Mon, Oct 12, 2026 at 04:05:23PM -0700, Amir Ayupov wrote:
> [...]
> > + perf record -T \
> > + -e cs_etm/pmu_pulse,aux-action=start-paused,timestamp/u \
> > + -e armv8_pmuv3_0/cpu_cycles,aux-action=resume,period=1050031/u \
> > + -e armv8_pmuv3_0/trcextout1,aux-action=pause,period=1000,call-graph=fp/u \
> > + -- ./workload
>
> The CPU PMU name depends on the system: armv8_pmuv3_0 is what ACPI
> systems get, while on devicetree systems it comes from the compatible
> string, e.g. armv8_pmuv3 or armv8_cortex_a76. Maybe add a sentence
> after the example, along the lines of:
>
> The CPU PMU name depends on the system; the available PMUs are
> listed under /sys/bus/event_source/devices/.
I'd rather drop PMU specifiers as this is not something this patch
series focuses on, and examples above avoid them too.
>
> I applied the documentation hunks and built htmldocs, no new warnings.
> With or without the above, for the documentation part:
>
> Reviewed-by: Daniel Pereira <danielmaraboo@xxxxxxxxx>
>
> Thanks,
> Daniel
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