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authorTheo de Raadt <deraadt@cvs.openbsd.org>2008-12-04 05:59:58 +0000
committerTheo de Raadt <deraadt@cvs.openbsd.org>2008-12-04 05:59:58 +0000
commit8cd3a6878ff4d8f371905f8fbde39c5ed3c8d20f (patch)
tree6c5a42be77396191771ab0b2cfacd59ba19c58eb /usr.bin/netstat
parentaeac40d3d1a4dc73910d04f5a9c23cc77a634b75 (diff)
correctly display information for each of the mbuf cluster pools (which
have different sizes) ok dlg
Diffstat (limited to 'usr.bin/netstat')
-rw-r--r--usr.bin/netstat/mbuf.c50
1 files changed, 28 insertions, 22 deletions
diff --git a/usr.bin/netstat/mbuf.c b/usr.bin/netstat/mbuf.c
index 91e1be3d2c6..ccd1856d153 100644
--- a/usr.bin/netstat/mbuf.c
+++ b/usr.bin/netstat/mbuf.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: mbuf.c,v 1.26 2007/12/19 01:47:00 deraadt Exp $ */
+/* $OpenBSD: mbuf.c,v 1.27 2008/12/04 05:59:57 deraadt Exp $ */
/* $NetBSD: mbuf.c,v 1.9 1996/05/07 02:55:03 thorpej Exp $ */
/*
@@ -36,6 +36,7 @@
#include <sys/mbuf.h>
#include <sys/pool.h>
#include <sys/sysctl.h>
+#include <net/if.h>
#include <errno.h>
#include <kvm.h>
@@ -49,7 +50,12 @@
typedef int bool;
struct mbstat mbstat;
-struct pool mbpool, mclpool;
+struct pool mbpool, mclpools[MCLPOOLS];
+int mclp;
+char *mclnames[] = {
+ "mcl2k", "mcl4k", "mcl8k", "mcl9k", "mcl12k", "mcl16k", "mcl64k"
+};
+char **mclnamep = mclnames;
extern kvm_t *kvmd;
@@ -77,7 +83,7 @@ void
mbpr(void)
{
int totmem, totused, totmbufs, totpct;
- int i, mib[4], npools, flag = 0;
+ int i, mib[4], npools;
struct pool pool;
struct mbtypes *mp;
size_t size;
@@ -135,19 +141,15 @@ mbpr(void)
return;
}
- if (!strncmp(name, "mbpl", strlen("mbpl"))) {
+ if (!strncmp(name, "mbpl", strlen("mbpl")))
bcopy(&pool, &mbpool, sizeof(struct pool));
- flag++;
- } else {
- if (!strncmp(name, "mclpl", strlen("mclpl"))) {
- bcopy(&pool, &mclpool,
- sizeof(struct pool));
- flag++;
- }
+ else if (mclp < nitems(mclpools) &&
+ !strncmp(name, *mclnamep, strlen(*mclnamep))) {
+ printf("%s\n", name);
+ bcopy(&pool, &mclpools[mclp++],
+ sizeof(struct pool));
+ mclnamep++;
}
-
- if (flag == 2)
- break;
}
totmbufs = 0;
@@ -169,14 +171,18 @@ mbpr(void)
mbstat.m_mtypes[i],
plural((int)mbstat.m_mtypes[i]), i);
}
- printf("%lu/%lu/%lu mbuf clusters in use (current/peak/max)\n",
- (u_long)(mclpool.pr_nout),
- (u_long)(mclpool.pr_hiwat * mclpool.pr_itemsperpage),
- (u_long)(mclpool.pr_maxpages * mclpool.pr_itemsperpage));
- totmem = (mbpool.pr_npages * page_size) +
- (mclpool.pr_npages * page_size);
- totused = mbpool.pr_nout * mbpool.pr_size +
- mclpool.pr_nout * mclpool.pr_size;
+ totmem = (mbpool.pr_npages * page_size);
+ totused = mbpool.pr_nout * mbpool.pr_size;
+ for (i = 0; i < mclp; i++) {
+ printf("%lu/%lu/%lu mbuf %d byte clusters in use (current/peak/max)\n",
+ (u_long)(mclpools[i].pr_nout),
+ (u_long)(mclpools[i].pr_hiwat * mclpools[i].pr_itemsperpage),
+ (u_long)(mclpools[i].pr_maxpages * mclpools[i].pr_itemsperpage),
+ mclpools[i].pr_size);
+ totmem += (mclpools[i].pr_npages * page_size);
+ totused += mclpools[i].pr_nout * mclpools[i].pr_size;
+ }
+
totpct = (totmem == 0)? 0 : ((totused * 100)/totmem);
printf("%u Kbytes allocated to network (%d%% in use)\n",
totmem / 1024, totpct);