ps --pid 7174 2 ?

thomas2004ch · 07-03-2013, 03:21 AM

I've started a process. When I check the process with

Code:

ps --pid 7174

(where 7174 is the pid)
I got followings:

Code:

  PID TTY          TIME CMD
 7174 ?        00:00:15 java

But when I use 'ps --pid 7174 2', I got

Code:

  PID TTY      STAT   TIME COMMAND
    2 ?        S<     0:00 [migration/0]
 7174 ?        Sl     0:15 /usr/lib/jvm/jre/bin/java -D[Standalone] -server -XX:+UseCompressedOops -D[test] -Djboss.socket.binding.port-offse

Here one can get more information about the process.

I wonder what is the sense of '2' after the PID in the command?

druuna · 07-03-2013, 03:41 AM

Quote:

Originally Posted by thomas2004ch

I've started a process. When I check the process with

Code:

ps --pid 7174

(where 7174 is the pid)
I got followings:

Code:

  PID TTY          TIME CMD
 7174 ?        00:00:15 java

But when I use 'ps --pid 7174 2', I got

Code:

  PID TTY      STAT   TIME COMMAND
    2 ?        S<     0:00 [migration/0]
 7174 ?        Sl     0:15 /usr/lib/jvm/jre/bin/java -D[Standalone] -server -XX:+UseCompressedOops -D[test] -Djboss.socket.binding.port-offse

Here one can get more information about the process.

I wonder what is the sense of '2' after the PID in the command?

Not sure if I get the question, but this:

Code:

ps --pid 7174 2

shows process information about processes with pid 7174 and pid 2.