"Jignesh K. Shah" <[EMAIL PROTECTED]> writes:
> Tom Lane wrote:
>> So follow that up --- try to determine which lock is being contended
>> for. There's some very crude code in the sources that you can enable
>> with -DLWLOCK_STATS, but probably DTrace would be a better tool.
> Using plockstat -A -s 5 -p $pid
I don't know what that is, but it doesn't appear to have anything to do
with Postgres LWLocks or spinlocks, which are the locks I was thinking of.
Try asking Robert Lor about this --- IIRC he had some dtrace probes to
work with our locks.
regards, tom lane
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