From: Paul Mundt <lethal@linux-sh.org>
To: Matt Fleming <matt@console-pimps.org>
Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>,
linux-kernel@vger.kernel.org,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Paul Mackerras <paulus@samba.org>, Ingo Molnar <mingo@elte.hu>,
Arnaldo Carvalho de Melo <acme@redhat.com>,
Ian Munsie <imunsie@au.ibm.com>,
Masami Hiramatsu <mhiramat@redhat.com>
Subject: Re: [PATCH] perf: Add DWARF register lookup for SH
Date: Mon, 12 Jul 2010 15:41:26 +0900 [thread overview]
Message-ID: <20100712064126.GA3716@linux-sh.org> (raw)
In-Reply-To: <87lj9h8bgv.fsf@linux-g6p1.site>
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.
next prev parent reply other threads:[~2010-07-12 6:41 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-10 15:10 [PATCH] perf: Add DWARF register lookup for SH Matt Fleming
2010-07-12 1:54 ` Masami Hiramatsu
2010-07-12 6:23 ` Matt Fleming
2010-07-12 6:41 ` Paul Mundt [this message]
2010-07-12 8:14 ` Matt Fleming
2010-07-12 8:55 ` Masami Hiramatsu
2010-07-12 8:57 ` Masami Hiramatsu
2010-07-12 17:14 ` Arnaldo Carvalho de Melo
2010-07-16 4:21 ` [tip:perf/core] perf tools: " tip-bot for Matt Fleming
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