swtch 348 kern/kern_exit.c uvmexp.swtch++; swtch 433 kern/sched_bsd.c uvmexp.swtch++; swtch 303 uvm/uvm_extern.h int swtch; /* context switch count */ swtch 225 uvm/uvm_stat.c uvmexp.faults, uvmexp.traps, uvmexp.intrs, uvmexp.swtch,