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Info about ps command

 
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# 1  
Old 09-22-2008
Info about ps command
Hi all,

When a process is hung in unix and when we list the process using "ps" command, then does the elapsed timeELAPSED column time display the time elapsed since the process started to the time till the "ps"command was called. Or does the elapsed time column display only the time since the process was started to the time till it was active
# 2  
Old 09-22-2008
elapsed time is the wall clock time the process has been out there up until now.
# 3  
Old 09-22-2008
I had that question too. Referred "man ps" and found it there. I recommend you have a look at it too.
It's something about the percentage process run time to the cpu time taken by the process.
# 4  
Old 09-23-2008
hi ,

Thanks for the replies, but really none of you answered my question about the status of elapsed time.. after a process is hung. Although what i infer from the replies is that it keep on incrementing till the process is dead. Please correct me if i am wrong.

I referred to the manual but was not able to gather much info regarding this
# 5  
Old 09-23-2008
You can answer your own question

Create a process, send kill -STOP to the process - it is now hung.
Check the elapsed time.

Come back five minutes later, check the elapsed time again.

The reason for no perfect answer is there are three distinct versions of ps out there. They all behave a little differently, especially on older systems.
 
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