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amr / find-futex-wait.sh
Created November 30, 2010 18:37
Find processes executing futex with FUTEX_WAIT (helps find deadlock-ed processes)
#!/bin/bash
#
# Find all processes that are executing a futex(2) call with op=FUTEX_WAIT
# In some cases this can be helpful in finding deadlock-ed processes.
#
test ! $UID -eq 0 && echo -e "WARNING: Not running as root, only processes for this user are being scanned\n" >&2;
pids=$(ps -u $UID -opid --no-headers)
for pid in $pids; do