-
-
Save metalivedev/ce45d4278410807a91e3 to your computer and use it in GitHub Desktop.
Clean up hung kworkers, usually caused by some container
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
echo workqueue:workqueue_queue_work > /sys/kernel/debug/tracing/set_event | |
cat /sys/kernel/debug/tracing/trace_pipe > out.txt | |
# (Leave it running a couple of seconds, then Ctrl+C; this is just to flush the buffer) | |
# Do it again to get fresh info | |
cat /sys/kernel/debug/tracing/trace_pipe > out.txt | |
(Leave it running a couple of seconds, then Ctrl+C; this is to recover the data) | |
cut -d- -f2 out.txt | awk '{print $1}' | sort | uniq -c | sort -n | |
# Take a look at who's got the most instructions queued (first column) and kill them and their children | |
# Sam dumped something out of the cgroup to get the process list and ran xargs kill -9 |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment