Documentation/fault-injection/notifier-error-inject.rst

4 Notifier error injection provides the ability to inject artificial errors to
15 ----------------------------------
18   /sys/kernel/debug/notifier-error-inject/pm/actions/<notifier event>/error
26 Example: Inject PM suspend error (-12 = -ENOMEM)::
28 	# cd /sys/kernel/debug/notifier-error-inject/pm/
29 	# echo -12 > actions/PM_SUSPEND_PREPARE/error
34 ----------------------------------------------
37   /sys/kernel/debug/notifier-error-inject/memory/actions/<notifier event>/error
44 Example: Inject memory hotplug offline error (-12 == -ENOMEM)::
46 	# cd /sys/kernel/debug/notifier-error-inject/memory
47 	# echo -12 > actions/MEM_GOING_OFFLINE/error
52 --------------------------------------------------------
55   /sys/kernel/debug/notifier-error-inject/pSeries-reconfig/actions/<notifier event>/error
65 ----------------------------------------------
68   /sys/kernel/debug/notifier-error-inject/netdev/actions/<notifier event>/error
82 Example: Inject netdevice mtu change error (-22 == -EINVAL)::
84 	# cd /sys/kernel/debug/notifier-error-inject/netdev
85 	# echo -22 > actions/NETDEV_CHANGEMTU/error
90 -----------------------
94  * tools/testing/selftests/cpu-hotplug/cpu-on-off-test.sh
95  * tools/testing/selftests/memory-hotplug/mem-on-off-test.sh
97 These scripts first do simple online and offline tests and then do fault