Process duration

 
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# 1  
Old 01-03-2017
Process duration

Hi , How can I check that for a single process, for example pagent for how much duration this process was up or down and also I need multiple entries if this process was down or up multiple times. Please help.
# 2  
Old 01-03-2017
Hello there,

I am not sure what exactly you trying to a accomplish, however, to know the duration for any task e.g to view a text file using cat use the command time before any task

Code:
time cat file.txt
Hello world
real    0m0.029s
user    0m0.004s
sys    0m0.000s

hope this helps

skip my answer and check MadeInGermany answer

Last edited by daashti; 01-04-2017 at 04:52 AM.. Reason: wrong answer
# 3  
Old 01-03-2017
If the process is still running you can query its elapsed time
Code:
ps -p PID -o etime

For measurement of service (daemon process) uptime/downtime you need a monitoring tool (nmon or zabbix or nagios or ...)
# 4  
Old 01-06-2017
Quote:
Originally Posted by Ashish Garg
Hi , How can I check that for a single process, for example pagent for how much duration this process was up or down and also I need multiple entries if this process was down or up multiple times. Please help.
I hope the process logs the info somewhere in designated log directory. If that is the case, parse the log file, fetch start and end time and compute the diff.
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