From owner-freebsd-newbies  Thu Feb 17 16:11:41 2000
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From: Omachonu Ogali <oogali@intranova.net>
To: freebsd-newbies@freebsd.org, freebsd-questions@freebsd.org
Subject: CPU Information
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Here's a simple app to display the CPU information on a FreeBSD machine.
I hope it helps anyone...

--- snip ---
/*
 * 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 - 1000000) / 1000000;
	usermem = (usermem - 1000000) / 1000000;

	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;
}
--- snip ---

-- 
+-------------------------------------------------------------------------+
| Omachonu Ogali                                     oogali@intranova.net |
| Intranova Networking Group                 http://tribune.intranova.net |
| PGP Key ID:                                                  0xBFE60839 |
| PGP Fingerprint:       C8 51 14 FD 2A 87 53 D1  E3 AA 12 12 01 93 BD 34 |
+-------------------------------------------------------------------------+



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