[PATCH v2 0/2] csky: perf callchain dwarf support

[Mao Han]

This patch set add perf DWARF unwinding support for C-SKY.
Including user registers/stack dump API, and libdw support.

Changes since v1:
  - seperate the callchain support using frame pointer

CC: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
CC: Ingo Molnar <mingo@xxxxxxxxxx>
CC: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CC: Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx>
CC: Jiri Olsa <jolsa@xxxxxxxxxx>
CC: Namhyung Kim <namhyung@xxxxxxxxxx>
CC: Guo Ren <guoren@xxxxxxxxxx>

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       | 48 ++++++++++++++
 arch/csky/kernel/Makefile                    |  1 +
 arch/csky/kernel/perf_regs.c                 | 40 ++++++++++++
 tools/arch/csky/include/uapi/asm/perf_regs.h | 48 ++++++++++++++
 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     | 98 ++++++++++++++++++++++++++++
 tools/perf/arch/csky/util/Build              |  2 +
 tools/perf/arch/csky/util/dwarf-regs.c       | 25 +++++++
 tools/perf/arch/csky/util/unwind-libdw.c     | 58 ++++++++++++++++
 12 files changed, 331 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

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2.7.4