From owner-freebsd-current Tue Jul 15 12:21:25 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.5/8.8.5) id MAA18554 for current-outgoing; Tue, 15 Jul 1997 12:21:25 -0700 (PDT) Received: from khavrinen.lcs.mit.edu (khavrinen.lcs.mit.edu [18.24.4.193]) by hub.freebsd.org (8.8.5/8.8.5) with ESMTP id MAA18546 for ; Tue, 15 Jul 1997 12:21:21 -0700 (PDT) Received: (from wollman@localhost) by khavrinen.lcs.mit.edu (8.8.5/8.8.5) id PAA12803; Tue, 15 Jul 1997 15:21:20 -0400 (EDT) Date: Tue, 15 Jul 1997 15:21:20 -0400 (EDT) From: Garrett Wollman Message-Id: <199707151921.PAA12803@khavrinen.lcs.mit.edu> To: current@freebsd.org Subject: Ping with standard deviation? Sender: owner-current@freebsd.org X-Loop: FreeBSD.org Precedence: bulk I just modified `ping' to output standard deviation in addition to the other statistics. Does anyone out there think that this would be useful in the general case? This gives output like: --- lanrover.lcs.mit.edu ping statistics --- 81 packets transmitted, 81 packets received, 0% packet loss round-trip min/avg/max/stddev = 2.220/5.378/67.712/10.643 ms (As you can see, there's an unfortunate amount of jitter in my network.) It does increase the size of the ping executable a few K since we have to link against the math library. -GAWollman -- Garrett A. Wollman | O Siem / We are all family / O Siem / We're all the same wollman@lcs.mit.edu | O Siem / The fires of freedom Opinions not those of| Dance in the burning flame MIT, LCS, CRS, or NSA| - Susan Aglukark and Chad Irschick