TOP Command Details

send2rawat · 11-13-2007, 12:41 AM

Hi,

Pls give me details of TOP Command what these us, sy,ni ,id,wa,hi,and Si Stands for....
and whts the ideal percentage of these.....
Cpu(s): 0.6% us, 0.1% sy, 0.0% ni, 74.4% id, 24.9% wa, 0.0% hi, 0.0% si

Thanks

Tinkster · 11-13-2007, 02:41 AM

man top

read that, and come back if you didn't understand a
specific part ....

Cheers,
Tink

syg00 · 11-13-2007, 02:48 AM

It may not surprise you to learn you are not the first to ask.
Use the search function before asking more.

amachina · 05-14-2009, 05:40 PM

us: user cpu time
sy: system cpu time
ni: user nice cpu time
id: idle cpu time
wa: io wait cpu time
hi: hardware irq (servicing hardware interrupts)
si: software irq (servicing software interrupts)
st: steal time (time in involuntary wait by virtual cpu while hypervisor is servicing another processor)

man vmstat
man mpstat

vinaytp · 09-14-2009, 10:41 AM

Quote:

Originally Posted by amachina

us: user cpu time
sy: system cpu time
ni: user nice cpu time
id: idle cpu time
wa: io wait cpu time
hi: hardware irq (servicing hardware interrupts)
si: software irq (servicing software interrupts)
st: steal time (time in involuntary wait by virtual cpu while hypervisor is servicing another processor)

man vmstat
man mpstat

Helped a lot....
Thanks a loooot...

send2rawat · 09-15-2009, 11:40 AM

Thanks a lot.!!!

th00ht · 02-18-2010, 02:20 AM

Quote:

Originally Posted by amachina

us: user cpu time
sy: system cpu time
ni: user nice cpu time
id: idle cpu time
wa: io wait cpu time
hi: hardware irq (servicing hardware interrupts)
si: software irq (servicing software interrupts)
st: steal time (time in involuntary wait by virtual cpu while hypervisor is servicing another processor)

Interestingly this information is (stil) missing from the man pages (at least on my distro) so I'm wondering what alternate source you used.