Re: [PATCH 3/3] riscv: Add support for libdw

2019-04-29 Thread Mao Han
On Thu, Apr 25, 2019 at 02:11:04PM -0700, Palmer Dabbelt wrote: > On Thu, 11 Apr 2019 00:53:50 PDT (-0700), han_...@c-sky.com wrote: > >This patch add support for DWARF register mappings and libdw registers > >initialization, which is used by perf callchain analyzing when > >--call-graph=dwarf is g

Re: [PATCH 3/3] riscv: Add support for libdw

2019-04-25 Thread Palmer Dabbelt
On Thu, 11 Apr 2019 00:53:50 PDT (-0700), han_...@c-sky.com wrote: This patch add support for DWARF register mappings and libdw registers initialization, which is used by perf callchain analyzing when --call-graph=dwarf is given. Is there any way to make this the only backtracer? It's the only

[PATCH 3/3] riscv: Add support for libdw

2019-04-11 Thread Mao Han
This patch add support for DWARF register mappings and libdw registers initialization, which is used by perf callchain analyzing when --call-graph=dwarf is given. Signed-off-by: Mao Han CC: Palmer Dabbelt --- tools/arch/riscv/include/uapi/asm/perf_regs.h | 42 tools/perf/Makefile.