freebsd-src/release/picobsd/tinyware/vm/vm.c

113 lines
3.4 KiB
C

/*-
* Copyright (c) 1998 Andrzej Bialecki
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
*
* $FreeBSD$
*/
#include <stdio.h>
#include <sys/types.h>
#include <sys/sysctl.h>
#include <sys/vmmeter.h>
#include <vm/vm_param.h>
#define pgtok(a) ((a) * (u_int) pagesize >> 10)
int
vm_i()
{
#define CNT 49
int cnt[CNT];
char names[CNT*16];
char *a, *namep[CNT*16];
int i,len;
long long inttotal=0;
long uptime=1;
len=sizeof(cnt);
i = sysctlbyname("hw.intrcnt", &cnt, &len, NULL, 0);
if (i != 0)
return i ;
len=sizeof(names);
i = sysctlbyname("hw.intrnames", &names, &len, NULL, 0);
if (i != 0)
return i ;
for( i=0, a = names ; i < CNT && a < names+sizeof(names) ; ) {
namep[i++] = a++;
while (a < names+sizeof(names) && *a)
a++ ;
a++ ; /* skip \0 */
}
printf("interrupt total rate\n");
inttotal = 0;
for (i=0; i< CNT ; i++)
if (cnt[i] >0) {
printf("%-12s %20lu %10lu\n", namep[i], cnt[i], cnt[i]/uptime);
inttotal += cnt[i];
}
printf("Total %20llu %10llu\n", inttotal,
inttotal / (u_int64_t) uptime);
return 0;
}
int
main(int argc, char *argv[])
{
int mib[2],i=0,len;
int pagesize, pagesize_len;
struct vmtotal v;
if (argc > 1 && !strcmp(argv[1], "-i")) {
if (vm_i())
fprintf(stderr, "vm -i stats not available via sysctl\n");
return 0 ;
}
pagesize_len = sizeof(int);
sysctlbyname("vm.stats.vm.v_page_size",&pagesize,&pagesize_len,NULL,0);
len=sizeof(struct vmtotal);
mib[0]=CTL_VM;
mib[1]=VM_METER;
for(;;) {
sysctl(mib,2,&v,&len,NULL,0);
if(i==0) {
printf(" procs kB virt mem real mem shared vm shared real free\n");
printf(" r w l s tot act tot act tot act tot act\n");
}
printf("%2hu%2hu%2hu%2hu",v.t_rq-1,v.t_dw+v.t_pw,v.t_sl,v.t_sw);
printf("%7ld %7ld %7ld%7ld",
(long)pgtok(v.t_vm),(long)pgtok(v.t_avm),
(long)pgtok(v.t_rm),(long)pgtok(v.t_arm));
printf("%7ld%7ld%7ld%7ld%7ld\n",
(long)pgtok(v.t_vmshr),(long)pgtok(v.t_avmshr),
(long)pgtok(v.t_rmshr),(long)pgtok(v.t_armshr),
(long)pgtok(v.t_free));
sleep(5);
i++;
if(i>22) i=0;
}
exit(0);
}