Hello,
We have been facing some problems with some kernel defects
and in the process we felt it might be worthwhile to try some
wrapper around the spinlock code to see if it might be getting
called wrongly or released wrongly. So, what we would like to is
just a wrapper around the spinlock code to do some preliminary
checks to make sure the lock is held before releasing it or
along similar lines.
Is this lockmeter from sgi similar in performance and is it
lightweight? would it make sense for us to try this out rather
than put down our own? but we are trying this to debug a smp
related race problem.. so, if the performance impact of this is
quite high, we might not even hit the problem and hence would
not want to use it... so, if you can inform me about how much of
an overhead this would be and its design in terms of whether it
does check for wrong calls to spinlock ( lock or unlock ), it
would eb of help to us.
TIA
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