On 13.05.11 08:38:03, Gergely Kis wrote:
> From: Daniel Kalmar <email@example.com>
> These patches add callgraph/backtrace support to oprofile on MIPS.
> Stack unwinding is done by code examination. For kernelspace, the
> already existing unwind function is utilized that uses kallsyms to
> quickly find the beginning of functions. For userspace a new function
> was added that examines code at and before the pc.
> Daniel Kalmar (2):
> MIPS: Add unwind_stack_by_address to support unwinding from any
> kernel code address
> MIPS: oprofile: Add callgraph support
> arch/mips/include/asm/stacktrace.h | 4 +
> arch/mips/kernel/process.c | 18 +++-
> arch/mips/oprofile/Makefile | 2 +-
> arch/mips/oprofile/backtrace.c | 173
> arch/mips/oprofile/common.c | 1 +
> arch/mips/oprofile/op_impl.h | 2 +
> 6 files changed, 194 insertions(+), 6 deletions(-)
> create mode 100644 arch/mips/oprofile/backtrace.c
Daniel and Gergely,
the patches look good so far. I fixed the coding style to have the
opening brace of functions at the beginning of the next line. After
the MIPS maintainer's ack I will apply them to the oprofile tree.
Thanks for your contribution.
Advanced Micro Devices, Inc.
Operating System Research Center