The core will always look like it is "running" in top, even when it is
asleep. That is just how FreeBSD accounts for idle CPU time. The only
thing I was hoping would change is the fan having to run. You can try
kldload'ing coretemp and seeing if the processor temperatures are
different when deeper CX states are enabled (or when powerd is running)
to see if it is having any affect on the temperatures in your box.
First the good news. It looks like the problem is solved on the laptop (Core i7). It
took one more reboot after I put "performance_cx_lowest=LOW" in /etc/rc.conf.
However, the problem is still there on the HP desktop (AMD 7550). This has only
Cx state, C1, so "performance_cx_lowest=LOW" had no effect.
The symptoms with this machine are that top does not show anything running
besides idle, and neither does ps -aux. Yet the Gnome System monitor applet
that I have on the bottom panel shows significant cpu activity.
And the fan starts running within 5 minutes after the system finishes booting.
Here is what top -S -H says:
last pid: 2645; load averages: 1.14, 0.78, 0.34 up
0+00:02:17 19:31:35
356 processes: 3 running, 338 sleeping, 15 waiting
CPU: 0.2% user, 0.0% nice, 18.9% system, 0.0% interrupt, 80.9% idle
Mem: 187M Active, 36M Inact, 354M Wired, 13M Cache, 3323M Free
Swap: 2048M Total, 2048M Free
PID USERNAME PRI NICE SIZE RES STATE C TIME WCPU COMMAND
11 root 155 ki31 0K 32K CPU0 0 1:45 89.99% idle{idle: cpu0}
11 root 155 ki31 0K 32K RUN 1 1:40 83.98% idle{idle: cpu1}
0 root -16 0 0K 2672K sched 0 1:03 0.00% kernel{swapper}
462 root -21 r31 912M 33216K select 0 0:10 0.00% Xorg
1968 ko 52 0 209M 7144K select 0 0:04 0.00%
pulseaudio{pulseaudio}
1968 ko 52 0 209M 7144K select 1 0:03 0.00%
pulseaudio{pulseaudio}
7 root -16 - 0K 16K ccb_sc 0 0:02 0.00% xpt_thrd
12 root -84 - 0K 240K WAIT 1 0:01 0.00% intr{irq1:
atkbd0}
12 root -60 - 0K 240K WAIT 0 0:01 0.00% intr{swi4:
clock}
1969 ko 20 0 323M 21968K select 0 0:00 0.00%
gnome-panel{gnome-panel}
12 root -96 - 0K 240K WAIT 1 0:00 0.00% intr{irq16:
vgapci0+}
2196 ko 20 0 294M 18052K select 0 0:00 0.00%
gnome-netstatus-app{gnome-
1811 ko 20 0 320M 19116K select 1 0:00 0.00%
gnome-settings-daem{gnome-
15 root -68 - 0K 128K - 1 0:00 0.00% usb{usbus0}
2200 ko 20 0 360M 21808K select 1 0:00 0.00%
clock-applet{clock-applet}
1458 root 30 10 10376K 3448K select 0 0:00 0.00% devd
2028 ko 20 0 218M 25652K select 0 0:00 0.00% python
2272 ko 20 0 280M 20044K select 1 0:00 0.00%
gnome-terminal{gnome-termi
2198 ko 20 0 295M 20552K select 1 0:00 0.00%
stickynotes_applet{stickyn
1405 ko 20 0 156M 13152K select 0 0:00 0.00%
gnome-session{gnome-sessio
417 haldaemon 20 0 56952K 6136K select 0 0:00 0.00% hald{hald}
And ps -aux | head:
[ko@wiley ~]$ ps -aux | head
USER PID %CPU %MEM VSZ RSS TT STAT STARTED TIME COMMAND
root 11 175.9 0.0 0 32 ?? RL 7:29PM 6:53.36 [idle]
root 0 0.0 0.1 0 2672 ?? DLs 7:29PM 0:00.37 [kernel]
root 1 0.0 0.0 6276 416 ?? SLs 7:29PM 0:00.07 /sbin/init --
root 2 0.0 0.0 0 16 ?? DL 7:29PM 0:00.00 [crypto]
root 3 0.0 0.0 0 16 ?? DL 7:29PM 0:00.00 [crypto
returns]
root 4 0.0 0.0 0 16 ?? DL 7:29PM 0:00.00 [ctl_thrd]
root 5 0.0 0.0 0 96 ?? DL 7:29PM 0:00.03 [zfskern]
I don't understand what is going on.
Kostas
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