linux-kernel - Re: [PATCH v2 0/3] Add some perf support for mips

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Date:   Wed, 24 Feb 2021 10:16:55 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Tiezhu Yang <yangtiezhu@...ngson.cn>
Cc:     Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...hat.com>,
        Namhyung Kim <namhyung@...nel.org>, linux-mips@...r.kernel.org,
        linux-kernel@...r.kernel.org, Xuefeng Li <lixuefeng@...ngson.cn>,
        Juxin Gao <gaojuxin@...ngson.cn>
Subject: Re: [PATCH v2 0/3] Add some perf support for mips

Em Mon, Feb 22, 2021 at 02:43:39PM +0800, Tiezhu Yang escreveu:
> On 02/04/2021 11:35 AM, Tiezhu Yang wrote:
> > v2: add R26 and R27 to the enum perf_event_mips_regs in patch #1
> > 
> > Tiezhu Yang (3):
> >    MIPS: kernel: Support extracting off-line stack traces from user-space
> >      with perf
> >    perf tools: Support mips unwinding and dwarf-regs
> >    perf tools: Generate mips syscalls_n64.c syscall table
> 
> Hi Arnaldo,
> 
> The kernel part patch #1 has been merged.
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1ddc96bd42da
> 
> Could the perf tool patches #2 and #3 have a chance to be merged before
> 5.12-rc1?
> If yes, we can use this feature in 5.12-rc1.

Thanks, applied, should make it into 5.12-rc1.

- Arnaldo
 
> https://lore.kernel.org/patchwork/patch/1375476/
> https://lore.kernel.org/patchwork/patch/1375475/
> 
> 
> Thanks,
> Tiezhu
> 
> > 
> >   arch/mips/Kconfig                                  |   2 +
> >   arch/mips/include/uapi/asm/perf_regs.h             |  40 +++
> >   arch/mips/kernel/Makefile                          |   2 +-
> >   arch/mips/kernel/perf_regs.c                       |  68 ++++
> >   tools/perf/Makefile.config                         |   9 +-
> >   tools/perf/arch/mips/Makefile                      |  22 ++
> >   tools/perf/arch/mips/entry/syscalls/mksyscalltbl   |  32 ++
> >   .../perf/arch/mips/entry/syscalls/syscall_n64.tbl  | 358 +++++++++++++++++++++
> >   tools/perf/arch/mips/include/dwarf-regs-table.h    |  31 ++
> >   tools/perf/arch/mips/include/perf_regs.h           |  84 +++++
> >   tools/perf/arch/mips/util/Build                    |   3 +
> >   tools/perf/arch/mips/util/dwarf-regs.c             |  38 +++
> >   tools/perf/arch/mips/util/perf_regs.c              |   6 +
> >   tools/perf/arch/mips/util/unwind-libunwind.c       |  22 ++
> >   tools/perf/check-headers.sh                        |   1 +
> >   tools/perf/util/dwarf-regs.c                       |   3 +
> >   tools/perf/util/syscalltbl.c                       |   4 +
> >   17 files changed, 723 insertions(+), 2 deletions(-)
> >   create mode 100644 arch/mips/include/uapi/asm/perf_regs.h
> >   create mode 100644 arch/mips/kernel/perf_regs.c
> >   create mode 100644 tools/perf/arch/mips/Makefile
> >   create mode 100644 tools/perf/arch/mips/entry/syscalls/mksyscalltbl
> >   create mode 100644 tools/perf/arch/mips/entry/syscalls/syscall_n64.tbl
> >   create mode 100644 tools/perf/arch/mips/include/dwarf-regs-table.h
> >   create mode 100644 tools/perf/arch/mips/include/perf_regs.h
> >   create mode 100644 tools/perf/arch/mips/util/Build
> >   create mode 100644 tools/perf/arch/mips/util/dwarf-regs.c
> >   create mode 100644 tools/perf/arch/mips/util/perf_regs.c
> >   create mode 100644 tools/perf/arch/mips/util/unwind-libunwind.c
> > 
> 

-- 

- Arnaldo