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SubjectRe: 2.4.20, .text.lock.swap cpu usage? (ibm x440)
>Either pollwait tables (invisible in 2.4 and 2.5), kernel stacks of
>threads (which don't get pae_pgd's and are hence invisible in 2.4
>and 2.5), or pagecache, with a much higher likelihood of pagecache.
The "kernel stacks of threads" may have some bearing on my incarnation
of this problem. We have several heavily threaded Java applications
running at the time the live-locks occur. At our most problematic site,
one application has a bug that can cause hundreds of timer threads (I
mean like 800 or so!) to be "accidentally" created. This site is
scheduled for an upgrade either tonight or tomorrow, so I will leave the
system as it is and see if I can still cause the live-lock to manifest
itself after the upgrade.


-[ Brian Tinsley ]-
-[ Chief Systems Engineer ]-
-[ Emageon ]-

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