Re: perfmon2 vector argument question
From: Stephane Eranian
Date: Fri Jun 30 2006 - 06:31:03 EST
Andrew,
On Wed, Jun 28, 2006 at 08:17:08PM -0700, Andrew Morton wrote:
> >
> > Does someone have something else to propose?
> >
> > If not, what is your opinion of the two approaches above?
> >
>
> The first approach should be fine - we do that in lots of places, such as
> in core_sys_select().
>
Ok, that's good to know. I looked at the stack consumption on x86 and it
is comparable to what you do for core_sys_select().
> Applications mut be calling this thing at a heck of a rate for kfree()
> overhead to matter. I trust CONFIG_DEBUG_SLAB wasn't turned on...
That was using a micro-benchmark to stress certain paths in perfmon.
CONFIG_DEBUG_SLAB was not turned on.
Thanks.
--
-Stephane
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