linux-kernel - Re: [PATCH v4 0/4] nds32: Perf support

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Date:   Thu, 25 Oct 2018 17:59:59 +0800
From:   Greentime Hu <green.hu@...il.com>
To:     Nickhu <nickhu@...estech.com>
Cc:     Greentime <greentime@...estech.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Arnd Bergmann <arnd@...db.de>,
        linux-arch <linux-arch@...r.kernel.org>,
        Will Deacon <will.deacon@....com>,
        Mark Rutland <mark.rutland@....com>,
        Rob Herring <robh+dt@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>, mingo@...hat.com,
        acme@...nel.org, alexander.shishkin@...ux.intel.com,
        jolsa@...hat.com, namhyung@...nel.org,
        "Eric W. Biederman" <ebiederm@...ssion.com>,
        gregkh@...uxfoundation.org, kstewart@...uxfoundation.org,
        Thomas Gleixner <tglx@...utronix.de>,
        Philippe Ombredanne <pombredanne@...b.com>,
        linux-arm-kernel@...ts.infradead.org,
        DTML <devicetree@...r.kernel.org>, Zong Li <zong@...estech.com>,
        alankao@...estech.com, Vincent Chen <deanbo422@...il.com>
Subject: Re: [PATCH v4 0/4] nds32: Perf support

Nick Hu <nickhu@...estech.com> 於 2018年10月25日 週四 上午10:25寫道：
>
> These four commits are perf supporting for nds32.
> There are three perfomance counters in nds32, and
> each of them can counts different events. You can
> use 'perf list' to show the available events that
> can be used.
>
> Changes in V2:
>         1. Change the definition 'PFM_CTL_xxx' to
> array form.
>
>         2. Simplify the PMU driver.
>
>         3. Stop all counters when handling irq
> caused by performance counters overflow.
>
>         4. Rename the compatible string in
> devicetree.
>
> Changes in V3:
>         Fix the typo in Documentation/devicetree/
> bindings/nds32/pmu.txt.
>
> Changes in V4:
>         Move 'Documentation/devicetree/bindings/nds32/pmu.txt'
> to 'Documentation/devicetree/bindings/perf/nds32v3-pmu.txt'.
>
> Nickhu (4):
>   nds32: Fix bug in bitfield.h
>   nds32: Perf porting
>   nds32: Add perf call-graph support.
>   nds32: Add document for NDS32 PMU.
>
>  .../devicetree/bindings/perf/nds32v3-pmu.txt  |   17 +
>  arch/nds32/Kconfig                            |    1 +
>  arch/nds32/boot/dts/ae3xx.dts                 |    5 +
>  arch/nds32/include/asm/Kbuild                 |    1 +
>  arch/nds32/include/asm/bitfield.h             |    4 +-
>  arch/nds32/include/asm/perf_event.h           |   16 +
>  arch/nds32/include/asm/pmu.h                  |  386 +++++
>  arch/nds32/include/asm/stacktrace.h           |   39 +
>  arch/nds32/kernel/Makefile                    |    3 +-
>  arch/nds32/kernel/perf_event_cpu.c            | 1522 +++++++++++++++++
>  arch/nds32/mm/fault.c                         |   13 +-
>  tools/include/asm/barrier.h                   |    2 +
>  tools/perf/arch/nds32/Build                   |    1 +
>  tools/perf/arch/nds32/util/Build              |    1 +
>  tools/perf/arch/nds32/util/header.c           |   29 +
>  tools/perf/pmu-events/arch/nds32/mapfile.csv  |   15 +
>  .../pmu-events/arch/nds32/n13/atcpmu.json     |  290 ++++
>  17 files changed, 2337 insertions(+), 8 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/perf/nds32v3-pmu.txt
>  create mode 100644 arch/nds32/include/asm/perf_event.h
>  create mode 100644 arch/nds32/include/asm/pmu.h
>  create mode 100644 arch/nds32/include/asm/stacktrace.h
>  create mode 100644 arch/nds32/kernel/perf_event_cpu.c
>  create mode 100644 tools/perf/arch/nds32/Build
>  create mode 100644 tools/perf/arch/nds32/util/Build
>  create mode 100644 tools/perf/arch/nds32/util/header.c
>  create mode 100644 tools/perf/pmu-events/arch/nds32/mapfile.csv
>  create mode 100644 tools/perf/pmu-events/arch/nds32/n13/atcpmu.json
>
Hi Nick,

Thank you.
Acked-by: Greentime Hu <greentime@...estech.com>