4.4BSD/usr/src/usr.bin/vmstat.sparc/sum.c
/*
* Copyright (c) 1992, 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 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.
*/
#ifndef lint
static char sccsid[] = "@(#)sum.c 8.1 (Berkeley) 6/6/93";
#endif /* not lint */
#include <sys/param.h>
#include <sys/uio.h>
#include <sys/namei.h>
#include <errno.h>
#include <kvm.h>
#include <limits.h>
#include <nlist.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <vm/vm.h>
#ifdef tahoe
#include <machine/cpu.h>
#endif
#include "extern.h"
int pct __P((long, long));
#define PCT(top, bot) pct((long)(top), (long)(bot))
static struct nlist nl[] = {
#define X_CNT 0
{ "_cnt" },
#define X_NCHSTATS 1
{ "_nchstats" },
#ifdef tahoe /* XXX */
#define X_CKEYSTATS 2
{ "_ckeystats" },
#define X_DKEYSTATS 3
{ "_dkeystats" },
#endif
0
};
void
dosum()
{
long nchtotal;
struct nchstats nchstats;
struct vmmeter cnt;
#ifdef tahoe
struct keystats keystats;
#endif
knlist(nl);
kread(nl[X_CNT].n_value, &cnt, sizeof cnt, "cnt");
(void)printf("%9u cpu context switches\n", cnt.v_swtch);
(void)printf("%9u device interrupts\n", cnt.v_intr);
(void)printf("%9u software interrupts\n", cnt.v_soft);
#ifdef vax
(void)printf("%9u pseudo-dma dz interrupts\n", cnt.v_pdma);
#endif
(void)printf("%9u traps\n", cnt.v_trap);
(void)printf("%9u system calls\n", cnt.v_syscall);
(void)printf("%9u total faults taken\n", cnt.v_faults);
(void)printf("%9u swap ins\n", cnt.v_swpin);
(void)printf("%9u swap outs\n", cnt.v_swpout);
(void)printf("%9u pages swapped in\n", cnt.v_pswpin / CLSIZE);
(void)printf("%9u pages swapped out\n", cnt.v_pswpout / CLSIZE);
(void)printf("%9u page ins\n", cnt.v_pageins);
(void)printf("%9u page outs\n", cnt.v_pageouts);
(void)printf("%9u pages paged in\n", cnt.v_pgpgin);
(void)printf("%9u pages paged out\n", cnt.v_pgpgout);
(void)printf("%9u pages reactivated\n", cnt.v_reactivated);
(void)printf("%9u intransit blocking page faults\n", cnt.v_intrans);
(void)printf("%9u zero fill pages created\n", cnt.v_nzfod / CLSIZE);
(void)printf("%9u zero fill page faults\n", cnt.v_zfod / CLSIZE);
(void)printf("%9u pages examined by the clock daemon\n", cnt.v_scan);
(void)printf("%9u revolutions of the clock hand\n", cnt.v_rev);
(void)printf("%9u VM object cache lookups\n", cnt.v_lookups);
(void)printf("%9u VM object hits\n", cnt.v_hits);
(void)printf("%9u total VM faults taken\n", cnt.v_vm_faults);
(void)printf("%9u copy-on-write faults\n", cnt.v_cow_faults);
(void)printf("%9u pages freed by daemon\n", cnt.v_dfree);
(void)printf("%9u pages freed by exiting processes\n", cnt.v_pfree);
(void)printf("%9u pages free\n", cnt.v_free_count);
(void)printf("%9u pages wired down\n", cnt.v_wire_count);
(void)printf("%9u pages active\n", cnt.v_active_count);
(void)printf("%9u pages inactive\n", cnt.v_inactive_count);
(void)printf("%9u bytes per page\n", cnt.v_page_size);
kread(nl[X_NCHSTATS].n_value, &nchstats, sizeof nchstats, "nchstats");
nchtotal = nchstats.ncs_goodhits + nchstats.ncs_neghits +
nchstats.ncs_badhits + nchstats.ncs_falsehits +
nchstats.ncs_miss + nchstats.ncs_long;
(void)printf("%9ld total name lookups\n", nchtotal);
(void)printf(
"%9s cache hits (%d%% pos + %d%% neg) system %d%% per-process\n",
"", PCT(nchstats.ncs_goodhits, nchtotal),
PCT(nchstats.ncs_neghits, nchtotal),
PCT(nchstats.ncs_pass2, nchtotal));
(void)printf("%9s deletions %d%%, falsehits %d%%, toolong %d%%\n", "",
PCT(nchstats.ncs_badhits, nchtotal),
PCT(nchstats.ncs_falsehits, nchtotal),
PCT(nchstats.ncs_long, nchtotal));
#if defined(tahoe)
kread(nl[X_CKEYSTATS].n_value, &keystats, sizeof keystats, "ckeystats");
(void)printf("%9d %s (free %d%% norefs %d%% taken %d%% shared %d%%)\n",
keystats.ks_allocs, "code cache keys allocated",
PCT(keystats.ks_allocfree, keystats.ks_allocs),
PCT(keystats.ks_norefs, keystats.ks_allocs),
PCT(keystats.ks_taken, keystats.ks_allocs),
PCT(keystats.ks_shared, keystats.ks_allocs));
kread(nl[X_DKEYSTATS].n_value, &keystats, sizeof keystats, "ckeystats");
(void)printf("%9d %s (free %d%% norefs %d%% taken %d%% shared %d%%)\n",
keystats.ks_allocs, "data cache keys allocated",
PCT(keystats.ks_allocfree, keystats.ks_allocs),
PCT(keystats.ks_norefs, keystats.ks_allocs),
PCT(keystats.ks_taken, keystats.ks_allocs),
PCT(keystats.ks_shared, keystats.ks_allocs));
#endif
}
int
pct(top, bot)
long top, bot;
{
if (bot == 0)
return (0);
if (bot > (LONG_MAX / 100))
return (top / (bot / 100));
return ((top * 100) / bot);
}