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nakamura
2008 May 28
0
I/O performance problem using LVM mirrors to back phy: devices
...0 0 0 vmlinux bio_put
1 2.8571 0 0 0 0 vmlinux hypercall_page
>From this, it seemed clear that the culprit was in the
pit_read_counter function.
Any ideas on where to take it from here?
Credit to Chris Takemura <chris@prgmr.com> for repeating the problem with
oprofile, and the writeup
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