Re: [PATCH 2/8] tracing: create automated trace defines

From: Mathieu Desnoyers
Date: Tue Apr 21 2009 - 11:56:31 EST


* Andi Kleen (andi@xxxxxxxxxxxxxx) wrote:
> Mathieu Desnoyers <compudj@xxxxxxxxxxxxxxxxxx> writes:
>
> > Given how slow function calls are, at least on x86,
>
> That was with frame pointers right? Frame pointers tend to make
> function calls slow.
>

Looking at my .config, CONFIG_FRAME_POINTER is disabled here. So we
should probably expect an even worse performance impact if we enable
them.

Mathieu


> -Andi
> --
> ak@xxxxxxxxxxxxxxx -- Speaking for myself only.
>

--
Mathieu Desnoyers
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