diff options
| author | ume <ume@FreeBSD.org> | 2002-03-01 09:49:48 +0000 |
|---|---|---|
| committer | ume <ume@FreeBSD.org> | 2002-03-01 09:49:48 +0000 |
| commit | ff42cf3e07ea977d1757a36f2930a66c3787a0f7 (patch) | |
| tree | ff46525f4b1d86267c7311c838fde6a015fb7c51 /sbin/ping6 | |
| parent | d98b25897dbc3fea0fc19d416aa4de57ce2417d2 (diff) | |
| download | FreeBSD-src-ff42cf3e07ea977d1757a36f2930a66c3787a0f7.zip FreeBSD-src-ff42cf3e07ea977d1757a36f2930a66c3787a0f7.tar.gz | |
Show standard deviation.
PR: bin/35433
Submitted by: Morten Rodal <morten@rodal.no>,
Maxim Konovalov <maxim@macomnet.ru>
MFC after: 1 week
Diffstat (limited to 'sbin/ping6')
| -rw-r--r-- | sbin/ping6/Makefile | 4 | ||||
| -rw-r--r-- | sbin/ping6/ping6.8 | 9 | ||||
| -rw-r--r-- | sbin/ping6/ping6.c | 8 |
3 files changed, 11 insertions, 10 deletions
diff --git a/sbin/ping6/Makefile b/sbin/ping6/Makefile index c8ba599..98378fc 100644 --- a/sbin/ping6/Makefile +++ b/sbin/ping6/Makefile @@ -9,8 +9,8 @@ WARNS= 0 BINOWN= root BINMODE=4555 -LDADD= -lipsec -lmd -DPADD= ${LIBIPSEC} ${LIBMD} +LDADD= -lipsec -lm -lmd +DPADD= ${LIBIPSEC} ${LIBM} ${LIBMD} # kame scopeid hack CFLAGS+=-DKAME_SCOPEID diff --git a/sbin/ping6/ping6.8 b/sbin/ping6/ping6.8 index 9e812a3..161f329 100644 --- a/sbin/ping6/ping6.8 +++ b/sbin/ping6/ping6.8 @@ -302,7 +302,8 @@ When the specified number of packets have been sent or if the program is terminated with a .Dv SIGINT , a brief summary is displayed, showing the number of packets sent and -received, and the minimum, mean, and maximum of the round-trip times. +received, and the minimum, mean, maximum, and standard deviation of +the round-trip times. .Pp If .Nm @@ -313,9 +314,9 @@ receives a argument for .Xr stty 1 ) signal, the current number of packets sent and received, and the -minimum, mean, and maximum of the round-trip times will be written to -the standard output in the same format as the standard completion -message. +minimum, mean, maximum, and standard deviation of the round-trip times +will be written to the standard output in the same format as the +standard completion message. .Pp This program is intended for use in network testing, measurement and management. diff --git a/sbin/ping6/ping6.c b/sbin/ping6/ping6.c index 4d28c4b..09152af 100644 --- a/sbin/ping6/ping6.c +++ b/sbin/ping6/ping6.c @@ -123,7 +123,7 @@ static const char rcsid[] = #include <err.h> #include <errno.h> #include <fcntl.h> -#if defined(__OpenBSD__) || defined(__NetBSD__) +#if defined(__OpenBSD__) || defined(__NetBSD__) || defined(__FreeBSD__) #include <math.h> #endif #include <signal.h> @@ -233,7 +233,7 @@ int timing; /* flag to do timing */ double tmin = 999999999.0; /* minimum round trip time */ double tmax = 0.0; /* maximum round trip time */ double tsum = 0.0; /* sum of all times, for doing average */ -#if defined(__OpenBSD__) || defined(__NetBSD__) +#if defined(__OpenBSD__) || defined(__NetBSD__) || defined(__FreeBSD__) double tsumsq = 0.0; /* sum of all times squared, for std. dev. */ #endif @@ -1433,7 +1433,7 @@ pr_pack(buf, cc, mhdr) triptime = ((double)tv.tv_sec) * 1000.0 + ((double)tv.tv_usec) / 1000.0; tsum += triptime; -#if defined(__OpenBSD__) || defined(__NetBSD__) +#if defined(__OpenBSD__) || defined(__NetBSD__) || defined(__FreeBSD__) tsumsq += triptime * triptime; #endif if (triptime < tmin) @@ -2180,7 +2180,7 @@ summary() /* Only display average to microseconds */ double num = nreceived + nrepeats; double avg = tsum / num; -#if defined(__OpenBSD__) || defined(__NetBSD__) +#if defined(__OpenBSD__) || defined(__NetBSD__) || defined(__FreeBSD__) double dev = sqrt(tsumsq / num - avg * avg); (void)printf( "round-trip min/avg/max/std-dev = %.3f/%.3f/%.3f/%.3f ms\n", |
