How to get - number of threads per process?

Question

This is one Ubuntu 9.10 server.

Also how to see memory usage per process?

Thanks

Answer 1

Try this:

ps axo pid,ppid,rss,vsz,nlwp,cmd

Output columns:

• pid - Process ID
• ppid - Parent Process ID
• rss - Resident Set Size - physical memory
• vsz - Virtual Set Size - virtual memory
• nlwp - Number of Light Weight Processes - thread count
• cmd - Command

Answer 2

Use the following to show the memory use of a single process:

pmap -d <PID>