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When printing pool stats, print pool cache stats also if -v is given.

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This commit is contained in:
enami 2002-02-20 07:43:30 +00:00
parent 75533175a2
commit 6af26372f1
1 changed files with 49 additions and 5 deletions
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54
usr.bin/vmstat/vmstat.c
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@ -1,4 +1,4 @@
/* $NetBSD: vmstat.c,v 1.95 2002/01/28 02:15:16 simonb Exp $ */
/* $NetBSD: vmstat.c,v 1.96 2002/02/20 07:43:30 enami Exp $ */
/*-
* Copyright (c) 1998, 2000, 2001 The NetBSD Foundation, Inc.
@ -81,7 +81,7 @@ __COPYRIGHT("@(#) Copyright (c) 1980, 1986, 1991, 1993\n\
#if 0
static char sccsid[] = "@(#)vmstat.c 8.2 (Berkeley) 3/1/95";
#else
__RCSID("$NetBSD: vmstat.c,v 1.95 2002/01/28 02:15:16 simonb Exp $");
__RCSID("$NetBSD: vmstat.c,v 1.96 2002/02/20 07:43:30 enami Exp $");
#endif
#endif /* not lint */
@ -259,7 +259,8 @@ void doevcnt(int verbose);
void dohashstat(int, int, const char *);
void dointr(int verbose);
void domem(void);
void dopool(void);
void dopool(int);
void dopoolcache(struct pool *, int);
void dosum(void);
void dovmstat(u_int, int);
void kread(int, void *, size_t);
@ -440,7 +441,7 @@ main(int argc, char *argv[])
}
if (todo & MEMSTAT) {
domem();
dopool();
dopool(verbose);
putchar('\n');
}
if (todo & SUMSTAT) {
@ -1058,7 +1059,7 @@ domem(void)
}
void
dopool(void)
dopool(int verbose)
{
int first, ovflw;
void *addr;
@ -1139,6 +1140,7 @@ dopool(void)
inuse += (pp->pr_nget - pp->pr_nput) * pp->pr_size;
total += pp->pr_npages * pp->pr_pagesz;
}
dopoolcache(pp, verbose);
addr = TAILQ_NEXT(pp, pr_poollist);
}
@ -1148,6 +1150,48 @@ dopool(void)
inuse, total, (double)(100 * inuse) / total);
}
#ifndef PCG_NOBJECTS
/* The pool cache group. */
#define PCG_NOBJECTS 16
struct pool_cache_group {
TAILQ_ENTRY(pool_cache_group)
pcg_list; /* link in the pool cache's group list */
u_int pcg_avail; /* # available objects */
/* pointers to the objects */
void *pcg_objects[PCG_NOBJECTS];
};
#endif
void
dopoolcache(struct pool *pp, int verbose)
{
struct pool_cache pool_cache, *pc = &pool_cache;
struct pool_cache_group pool_cache_group, *pcg = &pool_cache_group;
void *addr, *pcg_addr;
int i;
if (verbose < 1)
return;
for (addr = TAILQ_FIRST(&pp->pr_cachelist); addr != NULL;
addr = TAILQ_NEXT(pc, pc_poollist)) {
deref_kptr(addr, pc, sizeof(*pc), "pool cache trashed");
printf("\tcache %p: allocfrom %p freeto %p\n", addr,
pc->pc_allocfrom, pc->pc_freeto);
printf("\t hits %lu misses %lu ngroups %lu nitems %lu\n",
pc->pc_hits, pc->pc_misses, pc->pc_ngroups, pc->pc_nitems);
if (verbose < 2)
continue;
for (pcg_addr = TAILQ_FIRST(&pc->pc_grouplist);
pcg_addr != NULL; pcg_addr = TAILQ_NEXT(pcg, pcg_list)) {
printf("\t\tgroup %p: avail %d\n", pcg_addr,
pcg->pcg_avail);
for (i = 0; i < PCG_NOBJECTS; i++)
printf("\t\t\t%p\n", pcg->pcg_objects[i]);
}
}
}
enum hashtype { /* from <sys/systm.h> */
HASH_LIST,