vm.c revision 164718
10SN/A/*- 24487SN/A * Copyright (c) 1998 Andrzej Bialecki 30SN/A * All rights reserved. 40SN/A * 50SN/A * Redistribution and use in source and binary forms, with or without 60SN/A * modification, are permitted provided that the following conditions 72362SN/A * are met: 80SN/A * 1. Redistributions of source code must retain the above copyright 92362SN/A * notice, this list of conditions and the following disclaimer. 100SN/A * 2. Redistributions in binary form must reproduce the above copyright 110SN/A * notice, this list of conditions and the following disclaimer in the 120SN/A * documentation and/or other materials provided with the distribution. 130SN/A * 140SN/A * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 150SN/A * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 160SN/A * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 170SN/A * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 180SN/A * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 190SN/A * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 200SN/A * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 212362SN/A * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 222362SN/A * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 232362SN/A * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 240SN/A * SUCH DAMAGE. 250SN/A * 260SN/A * $FreeBSD: head/release/picobsd/tinyware/vm/vm.c 164718 2006-11-28 12:46:02Z ru $ 270SN/A */ 280SN/A 290SN/A#include <stdio.h> 300SN/A#include <sys/types.h> 310SN/A#include <sys/sysctl.h> 320SN/A#include <sys/vmmeter.h> 330SN/A#include <vm/vm_param.h> 340SN/A 350SN/A#define pgtok(a) ((a) * (u_int) pagesize >> 10) 360SN/A 370SN/Aint 380SN/Avm_i() 390SN/A{ 400SN/A#define CNT 49 410SN/A int cnt[CNT]; 420SN/A char names[CNT*16]; 430SN/A char *a, *namep[CNT*16]; 440SN/A int i,len; 450SN/A long long inttotal=0; 460SN/A long uptime=1; 470SN/A 480SN/A len=sizeof(cnt); 490SN/A i = sysctlbyname("hw.intrcnt", &cnt, &len, NULL, 0); 500SN/A if (i != 0) 510SN/A return i ; 520SN/A len=sizeof(names); 530SN/A i = sysctlbyname("hw.intrnames", &names, &len, NULL, 0); 540SN/A if (i != 0) 550SN/A return i ; 560SN/A 570SN/A for( i=0, a = names ; i < CNT && a < names+sizeof(names) ; ) { 580SN/A namep[i++] = a++; 590SN/A while (a < names+sizeof(names) && *a) 600SN/A a++ ; 610SN/A a++ ; /* skip \0 */ 620SN/A } 630SN/A printf("interrupt total rate\n"); 640SN/A inttotal = 0; 650SN/A for (i=0; i< CNT ; i++) 660SN/A if (cnt[i] >0) { 670SN/A printf("%-12s %20lu %10lu\n", namep[i], cnt[i], cnt[i]/uptime); 680SN/A inttotal += cnt[i]; 690SN/A } 700SN/A printf("Total %20llu %10llu\n", inttotal, 710SN/A inttotal / (u_int64_t) uptime); 720SN/A return 0; 730SN/A} 740SN/Aint 750SN/Amain(int argc, char *argv[]) 760SN/A{ 770SN/A int mib[2],i=0,len; 780SN/A int pagesize, pagesize_len; 790SN/A struct vmtotal v; 800SN/A 810SN/A if (argc > 1 && !strcmp(argv[1], "-i")) { 820SN/A if (vm_i()) 834487SN/A fprintf(stderr, "vm -i stats not available via sysctl\n"); 840SN/A return 0 ; 850SN/A } 860SN/A pagesize_len = sizeof(int); 870SN/A sysctlbyname("vm.stats.vm.v_page_size",&pagesize,&pagesize_len,NULL,0); 880SN/A 890SN/A len=sizeof(struct vmtotal); 900SN/A mib[0]=CTL_VM; 910SN/A mib[1]=VM_METER; 920SN/A for(;;) { 930SN/A sysctl(mib,2,&v,&len,NULL,0); 940SN/A if(i==0) { 950SN/A printf(" procs kB virt mem real mem shared vm shared real free\n"); 960SN/A printf(" r w l s tot act tot act tot act tot act\n"); 970SN/A } 980SN/A printf("%2hd%2hd%2hd%2hd",v.t_rq-1,v.t_dw+v.t_pw,v.t_sl,v.t_sw); 990SN/A printf("%7d %7d %7d%7d", 1000SN/A pgtok(v.t_vm),pgtok(v.t_avm), 1010SN/A pgtok(v.t_rm),pgtok(v.t_arm)); 1020SN/A printf("%7d%7d%7d%7d%7d\n", 1030SN/A pgtok(v.t_vmshr),pgtok(v.t_avmshr), 1040SN/A pgtok(v.t_rmshr),pgtok(v.t_armshr), 1050SN/A pgtok(v.t_free)); 1060SN/A sleep(5); 1070SN/A i++; 1080SN/A if(i>22) i=0; 1090SN/A } 1100SN/A exit(0); 1110SN/A 1124487SN/A} 1130SN/A