Re: Fixed point cairo.. or no cairo?
- From: Soeren Sandmann <sandmann daimi au dk>
- To: Richard Purdie <richard openedhand com>
- Cc: performance-list gnome org
- Subject: Re: Fixed point cairo.. or no cairo?
- Date: 08 Aug 2006 15:59:58 +0200
Richard Purdie <richard openedhand com> writes:
> > I see a ton of vmlinux stuff apparently emulating the FPU - but,
> > unfortunately, it doesn't appear to tell me where those calls came from
> > (?) is there a pretty picture that shows that ? [ something like
> > 'sysprof' output would do that I guess ].
>
> Floating point instructions generate CPU exceptions on ARM and I don't
> think oprofile or sysprof support back tracing through the CPU exception
> handler.
Sysprof HEAD does in fact do that, but it doesn't (yet) tell you
what's going on inside the kernel. You only get an "In kernel" label.
Soren
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