Messages in this thread | | | Subject | Re: spin_is_locked() broken for uniprocessor? | From | Peter Zijlstra <> | Date | Wed, 19 Aug 2009 13:23:13 +0200 |
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On Wed, 2009-08-19 at 13:16 +0200, Leon Woestenberg wrote: > Hello, > > On Wed, Aug 19, 2009 at 12:53 PM, Alan Cox<alan@lxorguk.ukuu.org.uk> wrote: > > On Wed, 19 Aug 2009 10:38:06 +0100 > > > > in drivers because there is driver code that uses spin_is_locked() in > > fairly sensible fashion when dealing with locking. > > > One use is to measure lock contention hits on a particular spin lock. > > > However I wonder if there are tracing capabilities to measure lock > contention on a particular lock?
lock_stat no good for you?
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