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SubjectRe: [PATCH v2 0/3] Add some perf support for mips
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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.

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
>

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