HISTCOUNTER        69 kern/subr_prof.c 	p->lowpc = ROUNDDOWN(KERNBASE, HISTFRACTION * sizeof(HISTCOUNTER));
HISTCOUNTER        70 kern/subr_prof.c 	p->highpc = ROUNDUP((u_long)etext, HISTFRACTION * sizeof(HISTCOUNTER));
HISTCOUNTER        98 sys/gmon.h     #define MAXARCS		((1 << (8 * sizeof(HISTCOUNTER))) - 2)