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Date: Fri, 17 May 2019 16:43:01 +0800 From: Mao Han <han_mao@...ky.com> To: linux-kernel@...r.kernel.org Cc: Mao Han <han_mao@...ky.com>, Palmer Dabbelt <palmer@...ive.com>, linux-riscv <linux-riscv@...ts.infradead.org>, Christoph Hellwig <hch@....de>, Guo Ren <guoren@...nel.org> Subject: [PATCH V3 0/3] riscv: Add perf callchain support 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. CC: Palmer Dabbelt <palmer@...ive.com> CC: linux-riscv <linux-riscv@...ts.infradead.org> CC: Christoph Hellwig <hch@....de> CC: Guo Ren <guoren@...nel.org> Changes since v2: - fix inconsistent comment - force to build kernel with -fno-omit-frame-pointer if perf event is enabled Changes since v1: - simplify implementation and code convention 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/Makefile | 3 + arch/riscv/include/uapi/asm/perf_regs.h | 42 ++++++++++ arch/riscv/kernel/Makefile | 4 +- arch/riscv/kernel/perf_callchain.c | 113 ++++++++++++++++++++++++++ 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 | 72 ++++++++++++++++ tools/perf/arch/riscv/util/unwind-libdw.c | 57 +++++++++++++ 14 files changed, 485 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
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