Re: [PATCH v6 0/7] perf: Cross arch annotate + few miscellaneous fixes

[Ravi Bangoria]

Hello,

Any update on this?

-Ravi

On Friday 19 August 2016 06:29 PM, Ravi Bangoria wrote:
> Currently Perf annotate support code navigation (branches and calls)
> only when run on the same architecture where perf.data was recorded.
> But, for example, record on powerpc server and annotate on client's
> x86 desktop is not supported.
>
> This patchset enables cross arch annotate. Currently I've used x86
> and arm instructions which are already available and added support
> for powerpc.
>
> Additionally this patch series also contains few other related fixes.
>
> Patches are prepared on top of acme/perf/core and tested it with x86
> and powerpc only.
>
> Note for arm:
> I don't have arm test machine. As suggested by Russell in one of the
> review comment, I've copied all instructions from default table to
> arm table. This way it want break tool on arm but cleanup is needed
> for x86 specific instructions added in arm table.
>
> Example:
>
>   Record on powerpc:
>   $ ./perf record -a
>
>   Report -> Annotate on x86:
>   $ ./perf report -i perf.data.powerpc --vmlinux vmlinux.powerpc
>
> Changes in v6:
>   - Instead of adding only those instructions defined in #ifdef __arm__,
>     add all instructions from default table to arm table.
>
> v5 link:
>   https://lkml.org/lkml/2016/8/19/35
>
> Naveen N. Rao (1):
>   perf annotate: Add support for powerpc
>
> Ravi Bangoria (6):
>   perf: Define macro for normalized arch names
>   perf annotate: Add cross arch annotate support
>   perf annotate: Do not ignore call instruction with indirect target
>   perf annotate: Show raw form for jump instruction with indirect target
>   perf annotate: Support jump instruction with target as second operand
>   perf annotate: Fix jump target outside of function address range
>
>  tools/perf/arch/common.c           |  36 ++--
>  tools/perf/arch/common.h           |  11 ++
>  tools/perf/builtin-top.c           |   2 +-
>  tools/perf/ui/browsers/annotate.c  |   8 +-
>  tools/perf/ui/gtk/annotate.c       |   2 +-
>  tools/perf/util/annotate.c         | 330 +++++++++++++++++++++++++++++++------
>  tools/perf/util/annotate.h         |  10 +-
>  tools/perf/util/unwind-libunwind.c |   4 +-
>  8 files changed, 327 insertions(+), 76 deletions(-)
>