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

[Greentime Hu]

Nick Hu <nickhu@xxxxxxxxxxxxx> æ 2018å10æ25æ éå äå10:25åéï
>
> 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@xxxxxxxxxxxxx>