CLK_TCK           727 compat/linux/linux_misc.c #define	CONVTCK(r)	(r.tv_sec * CLK_TCK + r.tv_usec / (1000000 / CLK_TCK))
CLK_TCK          1187 compat/sunos/sunos_misc.c #define	CONVTCK(r)	(r.tv_sec * CLK_TCK + r.tv_usec / (1000000 / CLK_TCK))