My 3B1 FIXDISK 2.0 experience (so far, LONG)
Bill Mayhew
wtm at uhura.neoucom.EDU
Wed Oct 10 21:15:28 AEST 1990
One thing I should add is that my system has a voice power board in
the middle slot of the backplane. I've noticed that if I run the
voice manager daemon that my average uucp transfers drop from about
1400 char/sec to around 1200 char/sec (3.51). The behavior is quite
repeatable by running setvm on, transferring a file, setvm off,
transferring a file then compare the results. It is a bit puzzling,
as the voice manager should be spending most of its time sleeping,
and only needs to wake up in reponse to ring or off-hook event. The
ps command corroborates this, suggesting that voicemgr is not
executing a polling loop as indicated by the execution time.
The decrease in uucp performance I noticed the FIXDISK kernel was
about the same amount. If I get a chance, I'll switch back to the
3.51m kernel without the voice power board to see if that makes a
difference.
True, the max uucp rate is only about 10 to 15 percent less, but I
do like the idea of saving on the order of 10 to 15 percent connect
time, especially for long distance calls.
I wasn't using the adb patch to change the UART polling rate on
either of the two respective kernel verisons.
==Bill==
--
Bill Mayhew NEOUCOM Computer Services Department
Rootstown, OH 44272-9995 USA phone: 216-325-2511
wtm at uhura.neoucom.edu ....!uunet!aablue!neoucom!wtm
via internet: (140.220.001.001)
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