On 20 Nov 2023 20:55 +0100, from martelli...@gmail.com (Franco Martelli): > ~$ ps -eo pid,lstart,etime | grep 1620 > 1620 Mon Nov 20 16:12:47 2023 01:22:39 > > 1620 is the PID of the parent process, the command returns the date when the > parent process had started and the elapsed time as I expected. But if I do > the same command for the its child process (PID 3507): > > ~$ ps -eo pid,lstart,etime | grep 3507 > > the command returns nothing.
Try using ps -q instead of grep to get information on a specific PID: $ ps -eo pid,lstart,etime -q 1620,3507 If that doesn't return anything for the child process, maybe it simply has exited? -- Michael Kjörling 🔗 https://michael.kjorling.se “Remember when, on the Internet, nobody cared that you were a dog?”
