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sar vs perfmon

sar vs perfmon

Hello, I try to get with sar the equivalent I/O performance statistics that I get from perfmon on MS Windows with those counters:
Physical Disk
-> Reads/second
-> Writes/second

In sar, is it:
- rtps and wtps (Total number of read and write requests per second issued to physical devices)

- bread/s and bwrtn/s (Total amount of data read and written to devices in blocks per second)

- none of the above ?

Let me know, thanks.

Louis
Waterloo morne plaine
3 REPLIES
Steven E. Protter
Exalted Contributor

Re: sar vs perfmon

Shalom Louis,

sar -b

or/and

sar -B (paging stats quite important)

sar -d

# seems best to me.

SEP
Steven E Protter
Owner of ISN Corporation
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Re: sar vs perfmon

I already now that I get the informations with sar -b

My problem is how to interpret the data provided, in comparison to perfmon:
Physical Disk
-> Reads/second
-> Writes/second
Waterloo morne plaine
Ivan Ferreira
Honored Contributor

Re: sar vs perfmon

That would be:

- rtps and wtps (Total number of read and write requests per second issued to physical devices)
Por que hacerlo dificil si es posible hacerlo facil? - Why do it the hard way, when you can do it the easy way?