lkml.org 
[lkml]   [2010]   [Jul]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
DateMon, 12 Jul 2010 15:41:26 +0900
FromPaul Mundt <>
SubjectRe: [PATCH] perf: Add DWARF register lookup for SH
On Mon, Jul 12, 2010 at 07:23:44AM +0100, Matt Fleming wrote:
> On Mon, 12 Jul 2010 10:54:43 +0900, Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> wrote:
> > Matt Fleming wrote:
> > > Implement get_arch_regstr() for SH so that, given a DWARF register
> > > number, the corresponding symbolic name of that register can be looked
> > > up.
> >
> > OK, the patch itself looks good, but I don't know whether SH kernel
> > supports KPROBE_EVENT which is required for perf-probe. Or, SH kernel
> > repository already has it?
>
> No, SH doesn't support KPROBE_EVENT yet. It's on my list of things to
> do. However, this patch also stops the "DWARF register mappings have not
> been defined" warning when building perf.

It does now, by virtue of HAVE_REGS_AND_STACK_ACCESS_API. The initial
support for this was checked in on June 14th, so you should be able to
use it already as long as you're working with current HEAD.


\
 
 \ /
  Last update: 2010-07-12 08:43    [from the cache]
©2003-2010