Subject: measuring port utilization
To: netbsd <port-mac68k@netbsd.org>
From: Avram Dorfman <dorfman@est.org>
List: port-mac68k
Date: 11/13/1998 15:20:47
This is a multi-part message in MIME format.
------=_NextPart_000_000D_01BE0F19.303C2680
Content-Type: text/plain;
charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable
Is there any sort of statistic, or variable, or other resource that =
keeps track of how many bytes have come and gone on a serial port?
I need to track the bandwidth usage of my serial/ppp port so I can prove =
to my ISP that bandwidth is unrelated to the performance problems I'm =
having with them.
Maybe others of you have seen this problem, although I'm thinking it's =
an issue w/ their dial-in servers, not netbsd. I'm having a problem =
where several times a day, seemingly arbitrarily, the responsiveness of =
my ppp connection will start to degrade, and then die completely. When I =
do ping test, either to the dial-up server itself, or to a host at my =
ISP, the behavior is that I'll get 180ms responses for hours, then it =
will gradual increase to 10+ _seconds_ per ping, over the course of =
around 10-20 minutes. Then finally the connection will die, redial =
automatically, and then it will be fine.
For background, I have a Q660av, and a 56k v.90 modem which usually gets =
44kbps connections. I've tried setting the port speed down to 38.4 kbps, =
and the behavior is the same.
Anyone believe it could be a netbsd problem?
-Avram
------=_NextPart_000_000D_01BE0F19.303C2680
Content-Type: text/html;
charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable
<!DOCTYPE HTML PUBLIC "-//W3C//DTD W3 HTML//EN">
<HTML>
<HEAD>
<META content=3Dtext/html;charset=3Diso-8859-1 =
http-equiv=3DContent-Type>
<META content=3D'"MSHTML 4.72.3110.7"' name=3DGENERATOR>
</HEAD>
<BODY bgColor=3D#ffffff>
<DIV><FONT color=3D#000000 size=3D2>Is there any sort of statistic, or =
variable, or=20
other resource that keeps track of how many bytes have come and gone on =
a serial=20
port?</FONT></DIV>
<DIV><FONT color=3D#000000 size=3D2></FONT> </DIV>
<DIV><FONT color=3D#000000 size=3D2>I need to track the bandwidth usage =
of my=20
serial/ppp port so I can prove to my ISP that bandwidth is unrelated to =
the=20
performance problems I'm having with them.</FONT></DIV>
<DIV> </DIV>
<DIV><FONT color=3D#000000 size=3D2>Maybe others of you have seen this =
problem,=20
although I'm thinking it's an issue w/ their dial-in servers, not =
netbsd. I'm=20
having a problem where several times a day, seemingly arbitrarily, the=20
responsiveness of my ppp connection will start to degrade, and then die=20
completely. When I do ping test, either to the dial-up server itself, or =
to a=20
host at my ISP, the behavior is that I'll get 180ms responses for hours, =
then it=20
will gradual increase to 10+ _seconds_ per ping, over the course of =
around 10-20=20
minutes. Then finally the connection will die, redial automatically, and =
then it=20
will be fine.</FONT></DIV>
<DIV><FONT color=3D#000000 size=3D2></FONT> </DIV>
<DIV><FONT color=3D#000000 size=3D2>For background, I have a Q660av, and =
a 56k v.90=20
modem which usually gets 44kbps connections. I've tried setting the port =
speed=20
down to 38.4 kbps, and the behavior is the same.</FONT></DIV>
<DIV><FONT color=3D#000000 size=3D2></FONT> </DIV>
<DIV><FONT color=3D#000000 size=3D2>Anyone believe it could be a netbsd=20
problem?</FONT></DIV>
<DIV><FONT color=3D#000000 size=3D2></FONT> </DIV>
<DIV><FONT color=3D#000000 size=3D2>-Avram</FONT></DIV></BODY></HTML>
------=_NextPart_000_000D_01BE0F19.303C2680--