Re: [Xen-devel] lock contention measuring code?

[Keir Fraser <keir.fraser@xxxxxxxxxxxxx>]

On 07/04/2009 19:41, "Dan Magenheimer" <dan.magenheimer@xxxxxxxxxx> wrote:

>> I don't remember such a patch.
> 
> Hmmm... maybe it was a patch in xenlinux?
> 
>> probably wouldn't be hard to knock something up?
> 
> Maybe if I were an x86 assembly guru ;-)

It doesn't need to be done in assembly code. The spinlock C functions are
all in C file common/spinlock.c and all the try-and-spin logic is
implemented in C now. Only try-to-take-lock and unlock are in asm.

 -- Keir
 



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