FM / parameters

/sys/module/workqueue/parameters

Name	Size	Mode	Actions
cpu_intensive_thresh_us	4096	0644	edit dl rm
cpu_intensive_warning_thresh	4096	0644	edit dl rm
debug_force_rr_cpu	4096	0644	edit dl rm
default_affinity_scope	4096	0644	edit dl rm
power_efficient	4096	0444	edit dl rm

Edit: /sys/module/workqueue/parameters/cpu_intensive_warning_thresh (4096B)