how to get persistant cpu utilization values per process per cpu in linux (! top,ps)


 
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# 1  
Old 10-09-2008
how to get persistant cpu utilization values per process per cpu in linux (! top,ps)

hi,
i want to know cpu utilizatiion per process per cpu..for single processor also if multicore in linux ..to use these values in shell script to kill processes exceeding cpu utilization.ps (pcpu) command does not give exact values..top does not give persistant values..psstat,vmstat..does njot give per process cpu utilization.i also want to know..in top,from /proc file system ,exactly from which file it takes values for % cpu utilization?how can i get these values to use?also from where i can get exact values for cpu utilization per process ..pleae help
# 2  
Old 10-09-2008
Maybe something like this can satisfy your needs:
Code:
sar -P ALL 1 99999

# 3  
Old 10-09-2008
if its a linux, and you know the pid, you can easily check in /proc all the info about it
do a "man proc" to check out the meaning of all the files in there
# 4  
Old 10-09-2008
Good point broli Smilie
 
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