I need to plot a graph over time indicating how many processes are running in each second, but the Splunk log only contains the start time and end time of the process in one line as epoch time.
Splunk log
25-08-2017 7:35:00 PM processname=p1, starttime=1503689564, endtime=1503689670
25-08-2017 7:35:00 PM processname=p2, starttime=1503689564, endtime=1503689679
so I need to plot a timechart to show as below
time - count
August 25, 2017 7:32:44 PM - 2
August 25, 2017 7:32:45 PM - 2
August 25, 2017 7:32:46 PM - 2
.
.
August 25, 2017 7:32:50 PM - 2
August 25, 2017 7:32:51 PM - 1
August 25, 2017 7:32:52 PM - 1
reference
1503689564 - GMT: Friday, August 25, 2017 7:32:44 PM
1503689679 - GMT: Friday, August 25, 2017 7:34:39 PM
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