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Date:      Tue, 5 Dec 2000 20:02:17 -0700
From:      Chris Wasser <cwasser@v-wave.com>
To:        Matt Rudderham <matt@researcher.com>
Cc:        freebsd-questions@FreeBSD.ORG
Subject:   Re: CPU Speed?
Message-ID:  <20001205200217.A26052@skunkworks.area51-arpa.mil>
In-Reply-To: <NDBBLEKOOLGIBFPGLFEKEEKOCJAA.matt@researcher.com>; from matt@researcher.com on Tue, Dec 05, 2000 at 10:24:01PM -0400
References:  <20001206022104.193653E09@bazooka.unixfreak.org> <NDBBLEKOOLGIBFPGLFEKEEKOCJAA.matt@researcher.com>
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On Tue 05 Dec 2000, Matt Rudderham wrote:
> Me as well, a 133MHz and a 200MHz system both come up with above response. I
> am interested in the answer now though:)
> - Matt

Try this on for size (previously posted to the mailing list), produces
output as such:

Architecture:   i386
Number of CPUs: 1
CPU Model:      Pentium II/Pentium II Xeon/Celeron
CPU Speed:      400MHz
Total Memory:   124MB
User Memory:    104MB

--- cut ---
/*
 * FreeBSD CPU Information 0.1
 * ---------------------------
 * Simple program to display the total RAM, and CPU information.
 * Compile: cc -o cpuinfo cpuinfo.c
 * ---------------------------
 * Omachonu Ogali <oogali@intranova.net>
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/sysctl.h>

extern int errno;

int main(void)
{
        int len, numcpu, cpuspeed, totalmem, usermem;
        char cpuarch[64], cpumodel[64];

        printf("FreeBSD CPU Information\n");
        printf("Version 0.1\n");
        printf("http://tribune.intranova.net\n\n");

        len = sizeof(cpuarch);
        if (sysctlbyname("hw.machine_arch", &cpuarch, &len, NULL, NULL) == -1) {
                perror("sysctlbyname()");
                return -1;
        }

        len = sizeof(cpumodel);
        if (sysctlbyname("hw.model", &cpumodel, &len, NULL, NULL) == -1) {
                perror("sysctlbyname()");
                return -1;
        }

        len = sizeof(cpuspeed);
        if (sysctlbyname("machdep.tsc_freq", &cpuspeed, &len, NULL, NULL) == -1) {
                perror("sysctlbyname()");
                return -1;
        }

        len = sizeof(numcpu);
        if (sysctlbyname("hw.ncpu", &numcpu, &len, NULL, NULL) == -1) {
                perror("sysctlbyname()");
                return -1;
        }

        len = sizeof(totalmem);
        if (sysctlbyname("hw.physmem", &totalmem, &len, NULL, NULL) == -1) {
                perror("sysctlbyname()");
                return -1;
        }

        len = sizeof(usermem);
        if (sysctlbyname("hw.usermem", &usermem, &len, NULL, NULL) == -1) {
                perror("sysctlbyname()");
                return -1;
        }

        cpuspeed = cpuspeed / 1000000;
        totalmem = (totalmem - 1048576) / 1048576;
        usermem = (usermem - 1048576) / 1048576;

        printf("Architecture:\t%s\n", cpuarch);
        printf("Number of CPUs:\t%d\n", numcpu);
        printf("CPU Model:\t%s\n", cpumodel);
        printf("CPU Speed:\t%dMHz\n", cpuspeed);
        printf("Total Memory:\t%dMB\n", totalmem);
        printf("User Memory:\t%dMB\n", usermem);
        printf("\n");

        return 0;
}
--- cut ---


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