cnvcsw            178 include/linux/sched/signal.h 	unsigned long nvcsw, nivcsw, cnvcsw, cnivcsw;
cnvcsw           1046 kernel/exit.c  		psig->cnvcsw +=
cnvcsw           1047 kernel/exit.c  			p->nvcsw + sig->nvcsw + sig->cnvcsw;
cnvcsw           1730 kernel/sys.c   		r->ru_nvcsw = p->signal->cnvcsw;