Hi, This patch set add perf callchain(FP/DWARF) support for RISC-V. It comes from the csky version callchain support with some slight modifications. The patchset base on Linux 5.1-rc4: 15ade5d2e7775667cf191cf2f94327a4889f8b9d
CC: Palmer Dabbelt <pal...@sifive.com> CC: Guo Ren <guo...@kernel.org> Mao Han (3): riscv: Add perf callchain support riscv: Add support for perf registers sampling riscv: Add support for libdw arch/riscv/Kconfig | 2 + arch/riscv/include/uapi/asm/perf_regs.h | 42 +++++++++ arch/riscv/kernel/Makefile | 4 +- arch/riscv/kernel/perf_callchain.c | 122 ++++++++++++++++++++++++++ arch/riscv/kernel/perf_regs.c | 44 ++++++++++ tools/arch/riscv/include/uapi/asm/perf_regs.h | 42 +++++++++ tools/perf/Makefile.config | 6 +- tools/perf/arch/riscv/Build | 1 + tools/perf/arch/riscv/Makefile | 3 + tools/perf/arch/riscv/include/perf_regs.h | 96 ++++++++++++++++++++ tools/perf/arch/riscv/util/Build | 2 + tools/perf/arch/riscv/util/dwarf-regs.c | 70 +++++++++++++++ tools/perf/arch/riscv/util/unwind-libdw.c | 57 ++++++++++++ 13 files changed, 489 insertions(+), 2 deletions(-) create mode 100644 arch/riscv/include/uapi/asm/perf_regs.h create mode 100644 arch/riscv/kernel/perf_callchain.c create mode 100644 arch/riscv/kernel/perf_regs.c create mode 100644 tools/arch/riscv/include/uapi/asm/perf_regs.h create mode 100644 tools/perf/arch/riscv/Build create mode 100644 tools/perf/arch/riscv/Makefile create mode 100644 tools/perf/arch/riscv/include/perf_regs.h create mode 100644 tools/perf/arch/riscv/util/Build create mode 100644 tools/perf/arch/riscv/util/dwarf-regs.c create mode 100644 tools/perf/arch/riscv/util/unwind-libdw.c -- 2.7.4
