Re: [PATCH] /proc/sysrq-trigger can now pause processing for one second

From: Jiri Slaby
Date: Mon Dec 18 2023 - 07:05:24 EST


On 18. 12. 23, 12:42, Tomas Mudrunka wrote:
Writing ',' to /proc/sysrq-trigger now causes processing to
pause for one second.

This is useful, because recently accepted patch allows
to write multiple keys at once to /proc/sysrq-trigger.
But it might be desirable to add slight delay between actions.

Eg. between (e)TERM and (i)KILL it makes sense to put slight delay,
so processes have chance to run TERM handlers before being KILLed.

Now we can send TERM, wait for two seconds and KILL like this:

echo _e,,i > /proc/sysrq-trigger

Bah, what's wrong with:
echo e > /proc/sysrq-trigger
sleep 2
echo i > /proc/sysrq-trigger
?

thanks,
--
js
suse labs