>First and foremost, I'm not sure why you cross-posted this on 3 separate
>lists (testing, performance, and hardware). You probably should have
>posted this on freebsd-questions, and if no response after a week or so,
>again on freebsd-stable (although you're using FreeBSD 6.2).
>It's generally shunned by the FreeBSD mailing list community to
>cross-post to so many lists. Just something to keep in mind for the
>future.
Thanks for this reminder. I am testing my hardware against FreeBSD, and I just
want to reach those people under the said areas (testing, performance,
hardware) with the hope to get speedy response.
>> Then what should I use? I am interested in getting the detailed info to
>> justify the %CPU idles and utilization.
>Of the entire machine? You can see that in top's header:
>last pid: 84636; load averages: 0.47, 0.14, 0.04 up 79+01:15:18 04:46:01
>75 processes: 2 running, 70 sleeping, 3 stopped
>CPU: 28.6% user, 0.0% nice, 8.2% system, 0.0% interrupt, 63.3% idle
>Mem: 207M Active, 2433M Inact, 212M Wired, 91M Cache, 112M Buf, 57M Free
>Swap: 8192M Total, 228K Used, 8192M Free
>Regarding why you're adding up all the individual process statistics: I
>can imagine they would vary a slight bit, but I cannot explain a 7%
>variance. Someone with more knowledge will have to assist there.
Though the header could be conclusive, I should want the specific processes (or
threads).
And come up with a list of breakdowns, like:
User (28.6%)
1. Program1 -- 20.0%
2. Program2 -- 8.6%
System(8.2%)
1. SystemProcess1 -- X %
2. (and so on) -- Y %
Then match this by adding up all individual processes statistics. And if I
couldn't match, at least I could tell some factors that cause variance.
This variance has really struck my attention. When I run "top -SI", the result
was:
last pid: 2746; load averages: 0.20, 0.16, 0.10 up 0+00:07:38
15:54:26
125 processes: 12 running, 100 sleeping, 16 waiting
CPU states:
0.3% user, 0.0% nice, 6.4% system, 0.0% interrupt, 93.2% idle
Mem: 42M
Active, 18M Inact, 62M Wired, 20M Buf, 27G Free
Swap:
PID USERNAME THR PRI NICE SIZE RES STATE C TIME WCPU
COMMAND
17 root 1 171 52 0K 16K RUN 0 6:05 99.02%
idle: cpu0
15 root 1 171 52 0K 16K CPU2 2 6:05 99.02%
idle: cpu2
14 root 1 171 52 0K 16K CPU3 3 6:28 96.58%
idle: cpu3
10 root 1 171 52 0K 16K CPU7 7 6:19 92.24%
idle: cpu7
11 root 1 171 52 0K 16K CPU6 6 6:22 92.09%
idle: cpu6
16 root 1 171 52 0K 16K CPU1 1 6:30 91.26%
idle: cpu1
12 root 1 171 52 0K 16K CPU5 5 6:26 84.47%
idle: cpu5
13 root 1 171 52 0K 16K CPU4 4 6:36 83.50%
idle: cpu4
The header says 12, but there were only 8 processes displayed. Sometimes it
goes down to 10, but not 8.
Hope you can shed me more lights on this.
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