Messages in this thread | | | Date | Fri, 24 Jan 2014 16:35:49 +0000 | From | Will Deacon <> | Subject | Re: [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
| |