perf-counter-client.patch:
--------------------------------------
This patch adds performance counter support to pvfs2-client:
- new state machines to periodically rollover the values
- instrumentation of the acache
- command line (to pvfs2-client) as well as /proc/sys/pvfs2 hooks to
modify performance counter parameters (history size, time interval, etc)
- ability to display performance counter contents in proc
I left something out of this description. It also moves all of the proc
stuff (existing and new) over to a seperate file in the kernel source,
pvfs2-proc.c, since they are starting to take up more real estate.
-Phil
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