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

Alan Kao
2018-04-02T12:34:15Z

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
>