whats going on with the scheduler?
Andy Farkas
andyf at speednet.com.au
Mon Jul 7 16:33:19 PDT 2003
FreeBSD 5.1-RELEASE with SCHED_4BSD on a quad ppro 200 (dell 6100/200).
Last night I started 3 setiathome's then went to bed. The system was
otherwise idle and had a load of 3.00, 3.00, 3.00.
This morning, I wanted to copy a (large) file from a remote server, so I
did a:
scp -c blowfish -p -l 100 remote.host:filename .
which is running in another window (and will run for 3 more hours).
And now, on my otherwise idle system, the load is varying from less than
2.00 (!) to just over 3.00, with an average average of about 2.50.
Here is some output from top:
PID USERNAME PRI NICE SIZE RES STATE C TIME WCPU CPU COMMAND
42946 setiathome 139 15 15524K 14952K *Giant 0 39.9H 89.26% 89.26% setiathome
49332 andyf 130 0 3084K 2176K *Giant 2 81:49 67.68% 67.68% ssh
12 root -16 0 0K 12K CPU2 2 152.1H 49.12% 49.12% idle: cpu2
13 root -16 0 0K 12K CPU1 1 148.7H 44.58% 44.58% idle: cpu1
11 root -16 0 0K 12K RUN 3 152.1H 44.14% 44.14% idle: cpu3
14 root -16 0 0K 12K CPU0 0 143.3H 41.65% 41.65% idle: cpu0
42945 setiathome 129 15 15916K 14700K *Giant 2 39.0H 25.20% 25.20% setiathome
42947 setiathome 129 15 15524K 14956K *Giant 1 40.3H 22.61% 22.61% setiathome
So, can someone explain why the seti procs are not getting 100% cpu like
they were before the scp(ssh) started and why there is so much idle time?
I bet those *Giants have something to do with it...
--
:{ andyf at speednet.com.au
Andy Farkas
System Administrator
Speednet Communications
http://www.speednet.com.au/
More information about the freebsd-smp
mailing list