Re: [PATCH v7 0/2] Add ThunderX2 SoC Performance Monitoring Unit driver

From: Ganapatrao Kulkarni
Date: Fri Nov 09 2018 - 05:22:47 EST


Hi Mark,

can you please review this series?

On Thu, Oct 25, 2018 at 11:29 AM Kulkarni, Ganapatrao
<Ganapatrao.Kulkarni@xxxxxxxxxx> wrote:
>
> This patchset adds PMU driver for Cavium's ThunderX2 SoC UNCORE devices.
> The SoC has PMU support in L3 cache controller (L3C) and in the
> DDR4 Memory Controller (DMC).
>
> v7:
> Incorporated review comments [3].
> Modified driver as loadable module.
> Updated Documentation with Event description.
> Removed per-channel(no SMC calls) sampling implementation(
> Since DMC and L3C channels are interleave, we have decided to
> sample channel zero and prorate it to account for a Device).
>
> [3] https://patchwork.kernel.org/patch/10479203/
>
> v6:
> Rebased to 4.18-rc1
> Updated with comments from John Garry[3]
>
> [3] https://lkml.org/lkml/2018/5/17/408
>
> v5:
> Incorporated review comments from Mark Rutland[2]
> v4:
> Incorporated review comments from Mark Rutland[1]
>
> [1] https://www.spinics.net/lists/arm-kernel/msg588563.html
> [2] https://lkml.org/lkml/2018/4/26/376
>
> v3:
> Fixed warning reported by kbuild robot
>
> v2:
> Rebased to 4.12-rc1
> Removed Arch VULCAN dependency.
> Update SMC call parameters as per latest firmware.
>
> v1:
> Initial patch
>
> Ganapatrao Kulkarni (2):
> perf, uncore: Adding documentation for ThunderX2 pmu uncore driver
> ThunderX2, perf : Add Cavium ThunderX2 SoC UNCORE PMU driver
>
> Documentation/perf/thunderx2-pmu.txt | 106 ++++
> drivers/perf/Kconfig | 9 +
> drivers/perf/Makefile | 1 +
> drivers/perf/thunderx2_pmu.c | 867 +++++++++++++++++++++++++++
> include/linux/cpuhotplug.h | 1 +
> 5 files changed, 984 insertions(+)
> create mode 100644 Documentation/perf/thunderx2-pmu.txt
> create mode 100644 drivers/perf/thunderx2_pmu.c
>
> --
> 2.18.0
>

thanks
Ganapat