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Show pages used by executables.

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Align the numbers in the summary lines.
This commit is contained in:
simonb 2001-03-09 03:05:20 +00:00
parent 21425f4507
commit 1d86c612aa
1 changed files with 39 additions and 18 deletions
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57
usr.bin/systat/bufcache.c
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@ -1,4 +1,4 @@
/* $NetBSD: bufcache.c,v 1.10 2000/12/01 02:19:43 simonb Exp $ */
/* $NetBSD: bufcache.c,v 1.11 2001/03/09 03:05:20 simonb Exp $ */
/*-
* Copyright (c) 1999 The NetBSD Foundation, Inc.
@ -38,7 +38,7 @@
#include <sys/cdefs.h>
#ifndef lint
__RCSID("$NetBSD: bufcache.c,v 1.10 2000/12/01 02:19:43 simonb Exp $");
__RCSID("$NetBSD: bufcache.c,v 1.11 2001/03/09 03:05:20 simonb Exp $");
#endif /* not lint */
#include <sys/param.h>
@ -52,6 +52,7 @@ __RCSID("$NetBSD: bufcache.c,v 1.10 2000/12/01 02:19:43 simonb Exp $");
#include <err.h>
#include <errno.h>
#include <kvm.h>
#include <math.h>
#include <nlist.h>
#include <stdlib.h>
#include <string.h>
@ -102,7 +103,7 @@ static struct nlist namelist[] = {
static struct vcache vcache[VCACHE_SIZE];
static LIST_HEAD(mount_list, ml_entry) mount_list;
static int nbuf, bufpages, bufkb;
static int nbuf, bufpages, bufkb, pgwidth, kbwidth;
static struct uvmexp_sysctl uvmexp;
static void *bufaddr;
static struct buf *buf = NULL;
@ -112,6 +113,7 @@ static void vc_init(void);
static void ml_init(void);
static struct vnode *vc_lookup(struct vnode *);
static struct mount *ml_lookup(struct mount *, int, int);
static void fetchuvmexp(void);
WINDOW *
@ -137,13 +139,16 @@ void
labelbufcache(void)
{
mvwprintw(wnd, 0, 0,
"There are %d metadata buffers using %d kBytes of memory.",
nbuf, bufkb);
"There are %*d metadata buffers using %*d kBytes of memory.",
pgwidth, nbuf, kbwidth, bufkb);
wclrtoeol(wnd);
wmove(wnd, 1, 0);
wclrtoeol(wnd);
wmove(wnd, 2, 0);
wclrtoeol(wnd);
mvwaddstr(wnd, 3, 0,
wmove(wnd, 3, 0);
wclrtoeol(wnd);
mvwaddstr(wnd, 4, 0,
"File System Bufs used % kB in use % Bufsize kB % Util %");
wclrtoeol(wnd);
}
@ -156,13 +161,18 @@ showbufcache(void)
struct ml_entry *ml;
mvwprintw(wnd, 1, 0,
"There are %llu pages for vnode page cache using %llu kBytes of memory.",
(long long)uvmexp.vnodepages,
(long long) uvmexp.vnodepages * getpagesize() / 1024);
"There are %*llu pages for vnode page cache using %*llu kBytes of memory.",
pgwidth, (long long)uvmexp.vnodepages,
kbwidth, (long long) uvmexp.vnodepages * getpagesize() / 1024);
wclrtoeol(wnd);
mvwprintw(wnd, 2, 0,
"There are %*llu pages for executables using %*llu kBytes of memory.",
pgwidth, (long long)uvmexp.vtextpages,
kbwidth, (long long) uvmexp.vtextpages * getpagesize() / 1024);
wclrtoeol(wnd);
tbuf = tvalid = tsize = 0;
lastrow = 4; /* Leave room for header. */
lastrow = 5; /* Leave room for header. */
for (i = lastrow, ml = LIST_FIRST(&mount_list); ml != NULL;
i++, ml = LIST_NEXT(ml, ml_entries)) {
@ -218,20 +228,20 @@ initbufcache(void)
}
NREAD(X_BUF, &bufaddr, sizeof(bufaddr));
fetchuvmexp();
pgwidth = (int)(floor(log10((double)uvmexp.npages)) + 1);
kbwidth = (int)(floor(log10(uvmexp.npages * getpagesize() / 1024.0)) + 1);
return(1);
}
void
fetchbufcache(void)
static void
fetchuvmexp(void)
{
int i, count, mib[2];
int mib[2];
size_t size;
struct buf *bp;
struct vnode *vn;
struct mount *mt;
struct ml_entry *ml;
/* Re-read pages used for vnodes */
/* Re-read pages used for vnodes & executables */
size = sizeof(uvmexp);
mib[0] = CTL_VM;
mib[1] = VM_UVMEXP2;
@ -239,7 +249,18 @@ fetchbufcache(void)
error("can't get uvmexp: %s\n", strerror(errno));
memset(&uvmexp, 0, sizeof(uvmexp));
}
}
void
fetchbufcache(void)
{
int i, count;
struct buf *bp;
struct vnode *vn;
struct mount *mt;
struct ml_entry *ml;
fetchuvmexp();
/* Re-read bufqueues lists and buffer cache headers */
NREAD(X_BUFQUEUES, bufqueues, sizeof(bufqueues));
KREAD(bufaddr, buf, sizeof(struct buf) * nbuf);