32-bit counters aren't large enough for 100+MHz clocks. Use 64-bit

counters.  `4' in GPROF4 and gprof4 now means 8.  gprof4 needs to be
recompiled to match the kernel.

sys/sys/gmon.h

@@ -31,7 +31,7 @@
  * SUCH DAMAGE.
  *
  *	@(#)gmon.h	8.2 (Berkeley) 1/4/94
- * $Id$
+ * $Id: gmon.h,v 1.12 1997/02/22 09:45:17 peter Exp $
  */
 
 #ifndef _SYS_GMON_H_
@@ -57,7 +57,7 @@ struct gmonhdr {
  * Type of histogram counters used in the kernel.
  */
 #ifdef GPROF4
-#define	HISTCOUNTER	int
+#define	HISTCOUNTER	int64_t
 #else
 #define	HISTCOUNTER	unsigned short
 #endif

usr.bin/gprof/gprof.h

@@ -77,7 +77,7 @@ typedef int	bool;
 long	hz;
 
 #ifdef GPROF4
-typedef	int32_t UNIT;
+typedef	int64_t UNIT;
 #else
 typedef	u_short UNIT;		/* unit of profiling */
 #endif