how to find time spent in ready queue and wait queue ?

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how to find time spent in ready queue and wait queue ?

by danism.. » Wed, 24 Jan 2001 00:47:05

Hi,

it's possible to find time spent in CPU over CPU usage.

I want to find time spent in ready queue and wait queue.

regards...

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1. is formula correct regarding time spent in ready-run queue

Hello,

I'm not unix expert. I would like to find time spent in ready queue and
wait queue. I generate following formula from "sar -q" help. is it
correct ?

ready_queue_time
= (runq-sz) x (ready_queue_occupation_time_in_memory) + (swpq-sz) x
(ready_queue_occupation_time_in_swap)
= (runq-sz) x (%runocc) x (time_interval) + (swpq-sz) x (%swpocc) x
(time_interval)
= (time_interval) [ (runq-sz) x (%runocc) + (swpq-sz) x (%swpocc) ]

and I need wait q. formula.

regards...

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