How Do You Check for Hung Threads in Unix?

You can run “strace -p ” command to check if the process is hung or not.

How do I know if a process is hanging?

4 Answers

1. run ps to find list of PIDs of the watched processes (along with exec time, etc)
2. loop over the PIDs.
3. start gdb attaching to the process using its PID, dumping stack trace from it using thread apply all where , detaching from the process.
4. a process was declared hung if:

9 окт. 2013 г.

How do I check if a thread is running?

Using the top command

The top command can show a real-time view of individual threads. To enable thread views in the top output, invoke top with “-H” option. This will list all Linux threads. You can also toggle on or off thread view mode while top is running, by pressing ‘H’ key.