xref: /NextBSD/release/picobsd/tinyware/vm/vm.c (revision eb1a5f8de9f7ea602c373a710f531abbf81141c4)
1 /*-
2  * Copyright (c) 1998 Andrzej Bialecki
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  *
26  * $FreeBSD$
27  */
28 
29 #include <stdio.h>
30 #include <sys/types.h>
31 #include <sys/sysctl.h>
32 #include <sys/vmmeter.h>
33 #include <vm/vm_param.h>
34 
35 #define pgtok(a) ((a) * (u_int) pagesize >> 10)
36 
37 int
vm_i()38 vm_i()
39 {
40 #define CNT	49
41 	int cnt[CNT];
42 	char names[CNT*16];
43 	char *a, *namep[CNT*16];
44 	int i,len;
45 	long long inttotal=0;
46 	long uptime=1;
47 
48 	len=sizeof(cnt);
49 	i = sysctlbyname("hw.intrcnt", &cnt, &len, NULL, 0);
50 	if (i != 0)
51 		return i ;
52 	len=sizeof(names);
53 	i = sysctlbyname("hw.intrnames", &names, &len, NULL, 0);
54 	if (i != 0)
55 		return i ;
56 
57 	for( i=0, a = names ; i < CNT && a < names+sizeof(names) ; ) {
58 	    namep[i++] = a++;
59 	    while (a < names+sizeof(names) && *a)
60 		a++ ;
61 	    a++ ; /* skip \0 */
62 	}
63 	printf("interrupt                   total       rate\n");
64         inttotal = 0;
65 	for (i=0; i< CNT ; i++)
66 	    if (cnt[i] >0) {
67 		printf("%-12s %20lu %10lu\n", namep[i], cnt[i], cnt[i]/uptime);
68                 inttotal += cnt[i];
69 	    }
70         printf("Total        %20llu %10llu\n", inttotal,
71                         inttotal / (u_int64_t) uptime);
72 	return 0;
73 }
74 int
main(int argc,char * argv[])75 main(int argc, char *argv[])
76 {
77 	int mib[2],i=0,len;
78 	int pagesize, pagesize_len;
79 	struct vmtotal v;
80 
81 	if (argc > 1 && !strcmp(argv[1], "-i")) {
82 	    if (vm_i())
83 		fprintf(stderr, "vm -i stats not available via sysctl\n");
84 		return 0 ;
85 	}
86 	pagesize_len = sizeof(int);
87 	sysctlbyname("vm.stats.vm.v_page_size",&pagesize,&pagesize_len,NULL,0);
88 
89 	len=sizeof(struct vmtotal);
90 	mib[0]=CTL_VM;
91 	mib[1]=VM_METER;
92 	for(;;) {
93 		sysctl(mib,2,&v,&len,NULL,0);
94 		if(i==0) {
95 			printf("  procs    kB virt mem       real mem     shared vm   shared real    free\n");
96 			printf(" r w l s    tot     act    tot    act    tot    act    tot    act\n");
97 		}
98 		printf("%2hd%2hd%2hd%2hd",v.t_rq-1,v.t_dw+v.t_pw,v.t_sl,v.t_sw);
99 		printf("%7d %7d %7d%7d",
100 			pgtok(v.t_vm),pgtok(v.t_avm),
101 			pgtok(v.t_rm),pgtok(v.t_arm));
102 		printf("%7d%7d%7d%7d%7d\n",
103 			pgtok(v.t_vmshr),pgtok(v.t_avmshr),
104 			pgtok(v.t_rmshr),pgtok(v.t_armshr),
105 			pgtok(v.t_free));
106 		sleep(5);
107 		i++;
108 		if(i>22) i=0;
109 	}
110 	exit(0);
111 
112 }
113