[PATCH v3 0/3] csky: perf callchain dwarf support

Mao Han
2019-04-10T08:24:51Z

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

CC: Peter Zijlstra <peterz@infradead.org>
CC: Ingo Molnar <mingo@redhat.com>
CC: Arnaldo Carvalho de Melo <acme@kernel.org>
CC: Alexander Shishkin <alexander.shishkin@linux.intel.com>
CC: Jiri Olsa <jolsa@redhat.com>
CC: Namhyung Kim <namhyung@kernel.org>
CC: Guo Ren <guoren@kernel.org>

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 (3):
perf: use hweight64 instead of hweight_long
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 | 78 +++++++++++++++++++++
tools/perf/util/evsel.c | 2 +-
13 files changed, 384 insertions(+), 2 deletions(-)
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