[PATCH v12 0/4] add support for self monitoring
David Marchand
david.marchand at redhat.com
Fri Oct 4 13:00:19 CEST 2024
Hello Tomasz,
On Sat, Sep 28, 2024 at 12:07 AM Tomasz Duszynski
<tduszynski at marvell.com> wrote:
>
> This series adds self monitoring support i.e allows to configure and
> read performance measurement unit (PMU) counters in runtime without
> using perf utility. This has certain advantages when application runs on
> isolated cores running dedicated tasks.
>
> Events can be read directly using rte_pmu_read() or using dedicated
> tracepoint rte_eal_trace_pmu_read(). The latter will cause events to be
> stored inside CTF file.
>
> By design, all enabled events are grouped together and the same group
> is attached to lcores that use self monitoring funtionality.
>
> Events are enabled by names, which need to be read from standard
> location under sysfs i.e
>
> /sys/bus/event_source/devices/PMU/events
>
> where PMU is a core pmu i.e one measuring cpu events. As of today
> raw events are not supported.
>
> v12:
> - rebase old series
It seems the series was rebased on next-net (I see a reference to some
RN entry in next-net).
Can you rebase on main so CI can test it?
Thanks.
--
David Marchand
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