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CPU on bl20p w/ linux

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Olivier Drouin
Trusted Contributor

CPU on bl20p w/ linux

Hi guys,
This machine is a bl20p dual cpu with a stock linux redhat 7.2. So, here it goes...

$ uname -a
Linux TTSTEST03 2.4.20-28.7smp #1 SMP Thu Dec 18 11:18:31 EST 2003 i686 unknown

$ top

3:23pm up 2 days, 16:13, 1 user, load average: 4.62, 4.11, 3.67
113 processes: 105 sleeping, 8 running, 0 zombie, 0 stopped
CPU0 states: 53.0% user, 17.2% system, 53.0% nice, 29.1% idle
CPU1 states: 58.0% user, 14.4% system, 58.4% nice, 26.0% idle
CPU2 states: 63.0% user, 13.1% system, 63.0% nice, 23.2% idle
CPU3 states: 63.0% user, 11.1% system, 63.1% nice, 25.1% idle
Mem: 2581956K av, 1333936K used, 1248020K free, 0K shrd, 112328K buff
Swap: 2097096K av, 0K used, 2097096K free 712000K cached

PID USER PRI NI SIZE RSS SHARE STAT %CPU %MEM TIME COMMAND
20586 root 8 5 95784 93M 1736 S N 9.5 3.7 5:25 Speechify
20585 root 13 5 103M 103M 1736 S N 8.9 4.0 6:25 Speechify


$ cat /proc/cpuinfo

... it also lists 4 cpus...

The BIOS correctly detects 2 cpu at boot.

Anybody experienced the same thing ??
2 REPLIES
Bill Wood_3
Respected Contributor
Solution

Re: CPU on bl20p w/ linux

That is normal. The BL20p has Intel's Hyperthreading processors.

http://www.intel.com/technology/hyperthread/

Olivier Drouin
Trusted Contributor

Re: CPU on bl20p w/ linux

Oh, damn, thank you.
My face is all red now...