Joe Conway <[EMAIL PROTECTED]> writes: >> Improve spinlock code for recent x86 processors: insert a PAUSE >> instruction in the s_lock() wait loop, and use test before test-and-set >> in TAS() macro to avoid unnecessary bus traffic. Patch from Manfred >> Spraul, reworked a bit by Tom.
> I thought this had been committed to the 7.4 stable branch as well, but > it appears not. I am currently chasing what seems to be the same issue: massive context swapping on a dual Xeon system. I tried back-patching the above-mentioned patch ... it helps a little but by no means solves the problem ... regards, tom lane ---------------------------(end of broadcast)--------------------------- TIP 3: if posting/reading through Usenet, please send an appropriate subscribe-nomail command to [EMAIL PROTECTED] so that your message can get through to the mailing list cleanly