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Re: JFFS2 FS Isolated task block times!




vipin.malik@xxxxxxx.com said:
> Ok, here are the latency jitter times for a (POSIX) real time Linux
> task running BUT NOT INTERACTING directly with the JFFS2 fs. It's mind
> bloggling. Why is the kernel being blocked for 10's of seconds due to
> the JFFS2 activity? What is the GC doing that is not releasing the
> kernel?

If it's low on memory and is trying to demand-load pages of the executable, 
it may be using the JFFS2 filesystem even though it doesn't seem to be. Are 
the pages mlock()ed?

Also check that cfi_udelay() is correctly defined and calling schedule()
when appropriate.


--
dwmw2



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