ticks 164 defs.h extern uint ticks; ticks 68 sysproc.c ticks0 = ticks; ticks 69 sysproc.c while(ticks - ticks0 < n){ ticks 74 sysproc.c sleep(&ticks, &tickslock); ticks 88 sysproc.c xticks = ticks; ticks 15 trap.c uint ticks; ticks 53 trap.c ticks++; ticks 54 trap.c wakeup(&ticks);