[solved] how do I get the start time from /proc/<pid> ?

[toralf]

I'm pretty sure something in /proc/<pid>/stat* is the answer[Update]This is wrong[/Update], but which value is it ?

The background is to kill a process after a given time, eg. 5 min after it started.

[lxg]

You could take the start time of the process (e.g. stat --printf='%Z' /proc/PID), the current system time and calculate the difference.

edit: For example:

[toralf]

Great - thx