RE: [Xen-devel] Recent trace patch not arch-neutral

To:	"Magenheimer, Dan \(HP Labs Fort Collins\)" <dan.magenheimer@xxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject:	RE: [Xen-devel] Recent trace patch not arch-neutral
From:	"Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx>
Date:	Mon, 31 Oct 2005 22:18:52 -0000
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Thread-topic:	[Xen-devel] Recent trace patch not arch-neutral

> A recent patch to trace.c uses a call to rdtscll() which is 
> x86-specific.  Is there an arch-neutral call that can be used 
> instead?  Or do arch's need to implement this?  (And if the 
> latter, should we choose a more generic name?)

The tracebuffer code has always used the cycle counter, so if you've
previously been compiling it for ia64 it must have previously been using
some more arch neutral way of accessing it...

Ian

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