Question about onstat -g iov
I have a question:
I was watching system activiy via onstat -g iov and here I s what I was
seeing
AIO I/O vps:
class/vp s io/s totalops dskread dskwrite dskcopy wakeups io/wup
kio 0 i 36.7 1416204 1057863 358341 0 1245645 1.1
kio 1 s 34.9 1345981 1005559 340422 0 1218090 1.1
kio 2 s 37.4 1445713 1077024 368689 0 1227173 1.2
kio 3 i 53.8 2076677 1595926 480751 0 2103245 1.0
kio 4 i 59.6 2301938 1800888 501050 0 2640396 0.9
kio 5 s 51.1 1971187 1485162 486025 0 1724221 1.1
kio 6 i 37.4 1445131 1077950 367181 0 1236259 1.2
kio 7 i 55.5 2144421 1785963 358458 0 3704161 0.6
kio 8 s 58.6 2262327 1900741 361586 0 4124472 0.5
msc 0 i 0.7 27607 0 0 0
26176 1.1
aio 0 i 0.0 4 4 0
0 11 0.4
pio 0 i 0.0 0 0 0
0 8 0.0
pio 1 i 0.0 0 0 0
0 8 0.0
lio 0 i 0.0 0 0 0
0 8 0.0
lio 1 i 0.0 0 0 0
0 8 0.0
If you look you can see the msc io thread is wakeing up and doing nothing.
Is it that there is nothing to do or just waking up and not doing anything?
If either is the case, why does it wake up at all.....
cbolden@harrahs.com