bt - view the backtrace of the specified process
$ bt <pid>This program is used to inspect the current executable state of a process. It will read the stack of each thread in the process, and symbolicate the addresses for each frame in the stack producing a backtrace.
NOTE:
Kernel addresses will not be available unless you are super user.
If Kernel addresses are available, they will not be symbolicated unless the current user has access to the /boot/Kernel file.
pid: Process IDView all stacks of pid number 10:
$ bt 10Use watch(1) to emit a backtrace of pid 124, every second:
$ watch -n 1 -- bt 124