cnivcsw           178 include/linux/sched/signal.h 	unsigned long nvcsw, nivcsw, cnvcsw, cnivcsw;
cnivcsw          1048 kernel/exit.c  		psig->cnivcsw +=
cnivcsw          1049 kernel/exit.c  			p->nivcsw + sig->nivcsw + sig->cnivcsw;
cnivcsw          1731 kernel/sys.c   		r->ru_nivcsw = p->signal->cnivcsw;