Re: [PATCH][RFC] Measuring term of acquiring spinlock

[Peter Zijlstra]

On Fri, 2009-11-13 at 09:17 +0100, Ingo Molnar wrote:
> 
> 
> Btw., i think we should rename that tracepoint category from 'lockdep' 
> to 'lock'. It's possible to enable them without CONFIG_PROVE_LOCKING, 
> and they arent high-overhead in that case. 

They're still in 'lockdep', and it does still require enabling all of
the lock debugging code, so the overhead is far from zero.

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