linux-kernel - Re: [PATCH V5 0/2] csky: perf callchain dwarf support

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Date:   Fri, 19 Apr 2019 19:22:37 +0800
From:   Guo Ren <guoren@...nel.org>
To:     Mao Han <han_mao@...ky.com>
Cc:     linux-kernel@...r.kernel.org
Subject: Re: [PATCH V5 0/2] csky: perf callchain dwarf support

Nice Job, Maomao

Signed-off: Guo Ren <ren_guo@...ky.com>

On Mon, Apr 15, 2019 at 05:17:28PM +0800, Mao Han wrote:
> This patch set add perf DWARF unwinding support for C-SKY.
> Including user registers/stack dump API, and libdw support.
> 
> CC: Guo Ren <guoren@...nel.org>
> 
> Changes since v4:
>   - remove some of the dwarf regs definition
> 
> Changes since v3:
>   - update with patch from Arnaldo
>     replace other hweight_long with hweight64
> 
> Changes since v2:
>   - use same registers name as struct pt_regs
>   - code convention
> 
> Changes since v1:
>   - seperate the callchain support using frame pointer
> Mao Han (2):
>   csky: Add support for perf registers sampling
>   csky: Add support for libdw
> 
>  arch/csky/Kconfig                            |   2 +
>  arch/csky/include/uapi/asm/perf_regs.h       |  51 ++++++++++++++
>  arch/csky/kernel/Makefile                    |   1 +
>  arch/csky/kernel/perf_regs.c                 |  40 +++++++++++
>  tools/arch/csky/include/uapi/asm/perf_regs.h |  51 ++++++++++++++
>  tools/perf/Makefile.config                   |   6 +-
>  tools/perf/arch/csky/Build                   |   1 +
>  tools/perf/arch/csky/Makefile                |   3 +
>  tools/perf/arch/csky/include/perf_regs.h     | 100 +++++++++++++++++++++++++++
>  tools/perf/arch/csky/util/Build              |   2 +
>  tools/perf/arch/csky/util/dwarf-regs.c       |  49 +++++++++++++
>  tools/perf/arch/csky/util/unwind-libdw.c     |  77 +++++++++++++++++++++
>  12 files changed, 382 insertions(+), 1 deletion(-)
>  create mode 100644 arch/csky/include/uapi/asm/perf_regs.h
>  create mode 100644 arch/csky/kernel/perf_regs.c
>  create mode 100644 tools/arch/csky/include/uapi/asm/perf_regs.h
>  create mode 100644 tools/perf/arch/csky/Build
>  create mode 100644 tools/perf/arch/csky/Makefile
>  create mode 100644 tools/perf/arch/csky/include/perf_regs.h
>  create mode 100644 tools/perf/arch/csky/util/Build
>  create mode 100644 tools/perf/arch/csky/util/dwarf-regs.c
>  create mode 100644 tools/perf/arch/csky/util/unwind-libdw.c
> 
> -- 
> 2.7.4
>