Called when a work gets queued
void trace_workqueue_queue_work(unsigned int req_cpu, struct pool_workqueue * pwq, struct work_struct * work);
req_cpu
the requested cpu
pwq
pointer to struct pool_workqueue
work
pointer to struct work_struct
This event occurs when a work is queued immediately or once a delayed work is actually queued on a workqueue (ie: once the delay has been reached).