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Old 11-19-2013, 01:28 AM   #1
vlrk
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Multi Core CPU Usage


Hi all

i have querey related to multicore c.p.u . If any job is being serverd by two cores running what that means exactly will that really happen ...? Can i see that with pidstat -u command like same job done by two CPU's
 
Old 12-01-2013, 03:37 AM   #2
mdlinuxwolf
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CPU usage

Quote:
Originally Posted by vlrk View Post
Hi all

i have querey related to multicore c.p.u . If any job is being serverd by two cores running what that means exactly will that really happen ...? Can i see that with pidstat -u command like same job done by two CPU's
Only multithreaded applications will use more then one core. If it's not capable of doing that, forget about it.

Typically loads are balanced equally among cores when it does work. It is also possible to limit an application to one core of your choosing, useful when one app drags performance down for the entire system.
 
  


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