[PATCH v2 0/2] perf: riscv: Preliminary Perf Event Support on RISC-V

Alan Kao alankao at andestech.com
Mon Apr 2 05:34:03 PDT 2018


Sorry for the lack of version prefix in the title.  This patchset should be
version 2.

On Mon, Apr 02, 2018 at 08:31:22PM +0800, Alan Kao wrote:
> This implements the baseline PMU for RISC-V platforms.
> 
> To ease future PMU portings, a guide is also written, containing
> perf concepts, arch porting practices and some hints.
> 
> Changes in v2:
>  - Fix the bug reported by Alex, which was caused by not sufficient
>    initialization.  Check https://lkml.org/lkml/2018/3/31/251 for the
>    discussion.
> 
> Alan Kao (2):
>   perf: riscv: preliminary RISC-V support
>   perf: riscv: Add Document for Future Porting Guide
> 
>  Documentation/riscv/pmu.txt         | 249 +++++++++++++++++++
>  arch/riscv/Kconfig                  |  12 +
>  arch/riscv/include/asm/perf_event.h |  76 +++++-
>  arch/riscv/kernel/Makefile          |   1 +
>  arch/riscv/kernel/perf_event.c      | 468 ++++++++++++++++++++++++++++++++++++
>  5 files changed, 802 insertions(+), 4 deletions(-)
>  create mode 100644 Documentation/riscv/pmu.txt
>  create mode 100644 arch/riscv/kernel/perf_event.c
> 
> -- 
> 2.16.2
> 



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