Given a PPID, how to find all of associated PID?

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It might be a weird question as I searched and found many people asking about how to find the PPID given a PID. However, I'm interested in finding out all the PID of a given PPID.

The incentive was to run a process check using pidstat and from my test with pidstat, it seems to be that pidstat only reports meaningful child process stats and if I have a driver script and I want to access each individual processes within the driver script, I need to htop and find out the PIDs individually. When I invoked a driver script, such as bash script.sh, there is a ID associated with this command and this ID becames the PPID of all the processes within the driver scripts (if I understand it correctly).

So does anyone know how to get all the PIDs of a PPID?

Thanks!

Try doing this :

$ ps --ppid <YOUR PPID> -o pid=

How to get parent PID of a given process in GNU/Linux from , How do you find the parent PID of a process? What is the PPID? In addition to a unique process ID, each process is assigned a parent process ID (PPID) that tells which process started it. The PPID is the PID of the process’s parent. For example, if process1 with a PID of 101 starts a process named process2, then process2 will be given a unique PID, such as 3240, but it

Use pgrep. man pgrep for usage.

pgrep -P <ppid>

Process Identification (The GNU C Library), How do I find the port number of PID in Unix? To find out the PID of a process, you can use pidof, a simple command to print out the PID of a process: $ pidof firefox $ pidof python $ pidof cinnamon Find Linux Process PID

$ ps -x -o pid,ppid | grep -E '[^0-9]{Enter PPID HERE}$' # on Mac OS Terminal

.

e.g. if ppid = 1

$ ps -x -o pid,ppid | grep -E '[^0-9]1$' # on Mac OS Terminal

linux - Given a PPID, how to find all of associated PID?, Try doing this : $ ps --ppid <YOUR PPID> -o pid=. How to get the PID in Windows 7, Vista, or XP. Open Task Manager: right-click the Taskbar on your Desktop and select Start Task Manager. In the Windows Task Manager window, go to the Processes tab. Click View → Select Columns. In the Select Process Page Columns, select the PID (Process Identifier) check box. Click OK.

command line, How to get a parent PID (PPID) from a child's process ID (PID) using the command-line. Use ps -o ppid= e.g. ps -o ppid= 2072 returns 2061  Hi, I am currently trying to pin down a process NAME (could be a cron job or a tty) in Solaris. First I obtained a pid and then a ppid. I want to take the PPID and from there find the program/process that is making the VSH go high (cpu usage).

How to Find the Process ID (PID) of a Program Running on Linux , Command line: ps -o ppid= -p 1111. Function: ppid () { ps -p ${1:-$$} -o ppid=; }. Alias (a function is preferable): alias ppid='ps -o ppid= -p'. Script: #!/bin/sh  However, I'm interested in finding out all the PID of a given PPID. The incentive was to run a process check using pidstat and from my test with pidstat, it seems to be that pidstat only reports meaningful child process stats and if I have a driver script and I want to access each individual processes

'ps' arguments to display PID, PPID, PGID, and SID collectively , If so, you are in the right place to get all the details. Each child process is given a Parental Process ID (PPID), and the parent process kills the child when it You may be interested to read the below articles, as these are related to this topic. If you want to close this application forcefully, you can kill the process associated to it. To kill a process, you need to know the its process ID (PID). The next section tells you how to find the process ID of a program. Step 1: Find the process ID (PID) of the program. There are several ways you can use for finding the PID of a process.