List for troubleshooting Process and threads on Linux

To the get the sum of all threads running in the system:

ps -eo nlwp | tail -n +2 | awk '{ num_threads += $1 } END { print num_threads }'

To get the number of threads for a given pid:

ps -o nlwp <pid>

Locate a Process

top

or

ps

To display all process names, use the following command –

$ ps -e

List the process associated with  a service/program

ps aux | grep my_service /  PID

To Kill a Process

kill PID

To see the thread count of process, use the following command-

$ cat /proc/<pid>/status