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тАО04-02-2002 04:19 AM
тАО04-02-2002 04:19 AM
Active processors with ICOD
my application ( C language) needs to know how man active processors exist on the machine. This is done by reading the kernel. On a new machine with 4 processors and 4 not activated ICOD processors, the return of the kernel read is 8 active processors. If I run "ioscan -fnC processor", I see 8 processors in state "CLAIMED"; if I run "sar -u -M" it returns only 4 processors. Does someone know what is the difference between ioscan and sar search and how, in a C language program, I can separate really active and inactive ICOD cpus.
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тАО04-02-2002 04:23 AM
тАО04-02-2002 04:23 AM
Re: Active processors with ICOD
The Kernel and ioscan will see all processors on your system (claimed).
ICOD is a software control on processor usage and sar and top are after the icod control software so will only "SEE" the non ICOD processors.
Your c program should either use the sar/top output or perhaps interogate the ICOD software.
HTH
Paula
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тАО04-02-2002 04:26 AM
тАО04-02-2002 04:26 AM
Re: Active processors with ICOD
I dont know the ansewr to your question but ioscan only tells you about the hardware you have not the state the hardware is in ON/OFF as you might say.
John.
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тАО04-02-2002 04:40 AM
тАО04-02-2002 04:40 AM
Re: Active processors with ICOD
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тАО04-02-2002 04:43 AM
тАО04-02-2002 04:43 AM
Re: Active processors with ICOD
Hi,
I think that if you install patch PHKL_22987
(or newer) the pstat functions will give
you the info you are seeking.
Do a man pstat and you will see a number
of functions that you may use to get
system-info.
Regards
Olav
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тАО04-02-2002 04:44 AM
тАО04-02-2002 04:44 AM
Re: Active processors with ICOD
1. Use ioscan to count the total number of processors.
2. /usr/sbin/icod_stat will display the HP owned processors (ICOD)
Total processors: 6
Allocated processors: 4
iCOD deallocated processors: 2
Other deallocated processors: 0
Firmware deconfigured processors: 0
-------------------------------------
Total number of unused processors: 2
Subtract owned from total and you then have "Active processors".#
HTH
Paula
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тАО05-06-2002 12:50 PM
тАО05-06-2002 12:50 PM
Re: Active processors with ICOD
# icod_stat -a
4