lkml.org 
[lkml]   [2014]   [Jan]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v5 0/4] perf: AARCH64 arch support
Hi Jean,

On Wed, Jan 22, 2014 at 02:11:15PM +0000, Jean Pihet wrote:
> Add AARCH64 specific support. This includes the following:
> - AARCH64 perf registers definition and hooks,
> - compat mode registers use, i.e. profiling a 32-bit binary on
> a 64-bit system,
> - unwinding using the dwarf information from the .debug_frame
> section of the ELF binary,
> - unwinding using the frame pointer information; in 64-bit and
> compat modes.
>
> Note: support for unwinding using the dwarf information in compat
> mode requires some changes to the libunwind code. Those changes
> have been submitted on the libunwind ML and are in discussion.
>
> Tested on ARMv7, ARMv8 and x86_64 platforms. The compat mode has been
> tested on ARMv8 using statically built 32-bit binaries.

This is look alright to me now, but there are still two blockers:

(1) Getting the libunwind code merged
(2) Splitting this into an arch/arm64 series and a tools/perf series, so
that acme can merge the latter independently (and avoid the mess we had
last time).

Anyway, for the series:

Acked-by: Will Deacon <will.deacon@arm.com>

Will


\
 
 \ /
  Last update: 2014-01-24 18:21    [W:2.066 / U:0.008 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site