Add 'n' and 'p' to the regexp for the need-resched bit. According to the ftrace doc, need-resched can have the following encodings: 'N' both TIF_NEED_RESCHED and PREEMPT_NEED_RESCHED is set, 'n' only TIF_NEED_RESCHED is set, 'p' only PREEMPT_NEED_RESCHED is set, '.' otherwise. BUG: 23281041 Change-Id: Ia4dd4a5d912c41f3be7077533a08bfbe8bc89032