vmtest.c

/*
 * Copyright (c) 1980, 1986, 1991, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#include <sys/cdefs.h>

#include <sys/param.h>
#include <sys/time.h>
#include <sys/proc.h>
#include <sys/uio.h>
#include <sys/namei.h>
#include <sys/malloc.h>
#include <sys/signal.h>
#include <sys/fcntl.h>
#include <sys/ioctl.h>
#include <sys/resource.h>
#include <sys/sysctl.h>
#include <sys/time.h>
#include <sys/vmmeter.h>
#include <sys/pcpu.h>

#include <vm/vm_param.h>

#include <ctype.h>
#include <devstat.h>
#include <err.h>
#include <errno.h>
#include <kvm.h>
#include <limits.h>
#include <memstat.h>
#include <nlist.h>
#include <paths.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sysexits.h>
#include <time.h>
#include <unistd.h>
#include <libutil.h>

static kvm_t   *kd;

static void
fill_pcpu(struct pcpu **pcpu, int maxcpu)
{
	int i;

	for (i = 0; i < maxcpu; i++) {
		pcpu[i] = kvm_getpcpu(kd, i);
		if (pcpu[i] == (struct pcpu *)-1)
			errx(1, "kvm_getpcpu: %s", kvm_geterr(kd));
	}
}

int main(int argc, char **argv)
{
	char *memf, *nlistf;
	char errbuf[_POSIX2_LINE_MAX];
	struct pcpu **pcpu_start, **pcpu_end;
	int maxcpu, i;
	int sec;

	if (argc < 2) {
		printf("%s [sec]\n", argv[0]);
		exit(1);
	}

	sec = atoi(argv[1]);

	memf = nlistf = NULL;
	kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, errbuf);
	if (kd == NULL)
		errx(1, "kvm_openfiles: %s", errbuf);	

	maxcpu = kvm_getmaxcpu(kd);
	if (maxcpu < 0)
		errx(1, "kvm_getmaxcpu: %s", kvm_geterr(kd));

	pcpu_start = calloc(maxcpu, sizeof(struct pcpu *));
	if (pcpu_start == NULL)
		err(1, "calloc");

	pcpu_end = calloc(maxcpu, sizeof(struct pcpu *));
	if (pcpu_end == NULL)
		err(1, "calloc");

	fill_pcpu(pcpu_start, maxcpu);
	sleep(sec);
	fill_pcpu(pcpu_end, maxcpu);

	for (i = 0; i < maxcpu; i++) {
		if (pcpu_start[i] == NULL || pcpu_end[i] == NULL)
			continue;

		printf("cpu%d:\n", i);
#define PRINT_VPARAM_PCPU(i, name) \
		printf(#name ":%d\n", pcpu_end[i]->pc_cnt.name - pcpu_start[i]->pc_cnt.name)
		PRINT_VPARAM_PCPU(i, v_swtch);
		PRINT_VPARAM_PCPU(i, v_trap);
		PRINT_VPARAM_PCPU(i, v_syscall);
		PRINT_VPARAM_PCPU(i, v_intr);
		PRINT_VPARAM_PCPU(i, v_soft);
		PRINT_VPARAM_PCPU(i, v_vm_faults);
		PRINT_VPARAM_PCPU(i, v_cow_faults);
		PRINT_VPARAM_PCPU(i, v_cow_optim);
		PRINT_VPARAM_PCPU(i, v_zfod);
		PRINT_VPARAM_PCPU(i, v_ozfod);
		PRINT_VPARAM_PCPU(i, v_swapin);
		PRINT_VPARAM_PCPU(i, v_swapout);
		PRINT_VPARAM_PCPU(i, v_swappgsin);
		PRINT_VPARAM_PCPU(i, v_swappgsout);
		PRINT_VPARAM_PCPU(i, v_vnodein);
		PRINT_VPARAM_PCPU(i, v_vnodeout);
		PRINT_VPARAM_PCPU(i, v_vnodepgsin);
		PRINT_VPARAM_PCPU(i, v_vnodepgsout);
		PRINT_VPARAM_PCPU(i, v_intrans);
		PRINT_VPARAM_PCPU(i, v_tfree);
		PRINT_VPARAM_PCPU(i, v_forks);
		PRINT_VPARAM_PCPU(i, v_vforks);
		PRINT_VPARAM_PCPU(i, v_rforks);
		PRINT_VPARAM_PCPU(i, v_kthreads);
		PRINT_VPARAM_PCPU(i, v_forkpages);
		PRINT_VPARAM_PCPU(i, v_vforkpages);
		PRINT_VPARAM_PCPU(i, v_rforkpages);
		PRINT_VPARAM_PCPU(i, v_kthreadpages);
#undef PRINT_VPARAM_PCPU
		printf("\n\n");
	}
}