Q: Sysinfo for Linux

Q: Sysinfo for Linux

Post by Andjelko Grac » Tue, 16 May 1995 04:00:00



Hello!
  Is there something like sysinfo for Linux. I know I can get every info
about the system without it but it would be nice to have it all in one place.

        Thanks,
Grac

 
 
 

Q: Sysinfo for Linux

Post by ramk » Wed, 17 May 1995 04:00:00


If you have the proc virtual file system enabled then some simple
shell scripts should do the job.

e.g cat /proc/cpuinfo will give you info about cpu as Linux knows it.

Cheers
ramki

 
 
 

1. sysinfo question: what is the sysinfo.loads[0] mean ?

heh... just spent a few days myself on this problem.  the kernel can't use
any any floating point math, but the load average is not an integer, so
they use fixed point math on an unsigned long.  took a bit of digging
through kernel source to figure out how to extract the number.. here's a
code snippet.

        int whole, fract, tmp, i;
        float loads[3];

        for(i = 0 ; i >= 2 ; i++ ){
                tmp = ((info->loads[i]>>5) + 10);

                whole = tmp >> 11;
                fract = (((tmp & 0x7FF) * 100) >> 11);

                loads[i] = whole;
                loads[i] += ((float)fract / 100);
        }

--
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paramount.res.wpi.net RedHat 5.1 kernel 2.1.106ac1 i586  | at public servers
"Note that if I can get you to "su and say" something just by asking,
you have a very serious security problem on your system and you should
look into it."
(By Paul Vixie, vixie-cron 3.0.1 installation notes)

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