linux-kernel - Re: [Xen-devel] [PATCH 2/4] xen/perf: Define .glob for the different hypercalls.

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Message-ID: <4FF31A66.30904@citrix.com>
Date:	Tue, 3 Jul 2012 17:14:30 +0100
From:	David Vrabel <david.vrabel@...rix.com>
To:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
CC:	<xen-devel@...ts.xensource.com>, <linux-kernel@...r.kernel.org>
Subject: Re: [Xen-devel] [PATCH 2/4] xen/perf: Define .glob for the different
 hypercalls.

On 03/07/12 16:40, Konrad Rzeszutek Wilk wrote:
> This allows us in perf to have this:
> 
>  99.67%  [kernel]             [k] xen_hypercall_sched_op
>   0.11%  [kernel]             [k] xen_hypercall_xen_version
> 
> instead of the borring ever-encompassing:
> 
>  99.13%  [kernel]              [k] hypercall_page
...
> +ENTRY(xen_hypercall_other)
> +	.skip 2272

I can't offhand think of way of doing this, but is there a less fragile
way to do this?

.skip PAGE_SIZE - N * 32 or something ?

David
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