Read_time/Write_time - NCPA

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dariusz.nalazek
Posts: 39
Joined: Thu Nov 16, 2017 6:46 am

Read_time/Write_time - NCPA

Post by dariusz.nalazek »

Maybe a bit odd question ...but what _exectly_ is Read_Time/Write_Time in disk's NCPA API...

unit says: ms

Is it write time of single IO? Is it some standarized IO, average IO size from x samples?
Time in ms spend during 1 sec for read/write? so in fact % of write/read time spend by disk?

Eg. disk's "Write_time was 1084.47 ms/s"

it's a bit confusing to see 1000+ ms in one second.

D.
ssax
Dreams In Code
Posts: 7682
Joined: Wed Feb 11, 2015 12:54 pm

Re: Read_time/Write_time - NCPA

Post by ssax »

It's using psutils built-in, please see here for a great explanation of what each is:

https://psutil.readthedocs.io/en/latest ... o_counters
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