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Old 10-20-2012, 12:06 AM   #1
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Load Average

How to find out the load average in rhel 4.7 that which process is taking so much time?
Old 10-20-2012, 01:12 AM   #2
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You can use "top" command or either "vmstat" to check system utilization.
Old 11-02-2012, 10:46 AM   #3
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Top is the only way,vmstat will never tell you about process...
Old 11-02-2012, 06:55 PM   #4
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There is rarely (never) an "only way" in Linux.
The initial question implies a basic misunderstanding of what loadavg is. @yousufmoin describe your actual problem (in detail) and maybe we can offer some suggestions to help.
Old 11-03-2012, 06:16 AM   #5
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Ok if you need to know exact theory behind it

1: Linux calculates load average as the average number of runnable or running process+ number of process in uninterruptible state

RedHat uses calc_load calls to calculate another function which calculate task in both running and uninterruptible state

Regarding other way to find it out is using systemtap

Please let me know if you have any other question


Last edited by lakhera2010; 11-03-2012 at 06:25 AM.


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