I'm currently trying to develop a script which will find the child processes of a process ID already passed to the script.
I then need the script to look for spawned processes of these child processes and so on until it can't find any more.
For example
At the moment, I have to manually do this on the server -
Code:
ps -ef | grep 7133 | grep -v grep
USER 7134 7133 0 08:12:38 ? 0:19 child process 1
USER 7133 7128 0 08:12:38 ? 0:00 main processes
I need to find child/spawned processes of 7133 so straight away, I need to grep for 7134.
Code:
ps -ef | grep 7134 | grep -v grep
USER 7137 7134 0 08:12:38 ? 0:19 child process 2
USER 7134 7133 0 08:12:38 ? 0:00 child process 1
Next, I get 7137
You get the idea. There are also cases where one parent process spawns multiple child processes and I need to be able to trace these down individually.
I then need to build a list of all these process ids so that I can kill -9 them.
I've build a script part way and thought I'd be able to assign the processes IDs to a variable using something like this:
Should pgrep -P be reporting proc ID 18480 as well?
---------- Post updated 22-10-10 at 08:55 AM ---------- Previous update was 21-10-10 at 02:57 PM ----------
I've managed to get it working (sort of).
Part of the exercise is to kill off the parent process of the problem processes anyway using another script. Therefore, once these have been killed, I'm only left with the proceses from 7133 downwards.
I can now kill them using something like this:
Code:
rm /tmp/rep_srv_proc.tmp
rm /tmp/rep_srv_proc.tmp_tmp
REP1=$(ps -ef | grep report | grep -v grep | awk '{print $2}')
ptree $REP1 | awk '{print $1}' > /tmp/rep_srv_proc.tmp_tmp
ptree $REP1 | awk '{print "kill -9 "$1}' > /tmp/rep_srv_proc.tmp
chmod 777 /tmp/rep_srv_proc.tmp
clear
echo "-----------------------------"
echo "Do you wish to kill the following processes?:"
cat /tmp/rep_srv_proc.tmp_tmp
echo "-----------------------------"
read answer
case $answer in
yes|Yes|Y|y)
/tmp/rep_srv_proc.tmp
echo "Processes have been killed..."
;;
no|n|N|NO)
clear
echo "-----------------------------"
echo "You've chosen not to kill any processes..."
exit
;;
esac
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10-21-2010
