From: Sam Leffler <sam@ucbvax.Berkeley.EDU>
Date: Sun, 19 Dec 1982 11:13:27 +0000 (-0800)
Subject: new mbuf stats
X-Git-Tag: BSD-4_1c_2-Snapshot-Development~1422
X-Git-Url: https://git.subgeniuskitty.com/unix-history/.git/commitdiff_plain/02c6746b0b7a05ed127aa5bb8a2799856b3ec1b4

new mbuf stats

SCCS-vsn: usr.bin/netstat/mbuf.c 4.5
---

diff --git a/usr/src/usr.bin/netstat/mbuf.c b/usr/src/usr.bin/netstat/mbuf.c
index 25324bdf56..c0378040cf 100644
--- a/usr/src/usr.bin/netstat/mbuf.c
+++ b/usr/src/usr.bin/netstat/mbuf.c
@@ -8,13 +8,34 @@ static char sccsid[] = "@(#)mbuf.c	4.5 82/12/18";
 struct	mbstat mbstat;
 extern	int kmem;
 
+static struct mbtypes {
+	int	mt_type;
+	char	*mt_name;
+} mbtypes[] = {
+	{ MT_DATA,	"data" },
+	{ MT_HEADER,	"packet headers" },
+	{ MT_SOCKET,	"socket structures" },
+	{ MT_PCB,	"protocol control blocks" },
+	{ MT_RTABLE,	"routing table entries" },
+	{ MT_HTABLE,	"IMP host table entries" },
+#ifdef notdef
+	{ MT_ATABLE,	"address resolution tables" },
+#endif
+	{ MT_FTABLE,	"fragment reassembly queue headers" },
+	{ MT_SONAME,	"socket names and addresses" },
+	{ MT_ZOMBIE,	"zombie process information" },
+	{ MT_SOOPTS,	"socket options" },
+	{ 0, 0 }
+};
+
 /*
  * Print mbuf statistics.
  */
 mbpr(mbaddr)
 	off_t mbaddr;
 {
-	register int totmem, totfree;
+	register int totmem, totfree, totmbufs;
+	register struct mbtypes *mp;
 
 	if (mbaddr == 0) {
 		printf("mbstat: symbol not in namelist\n");
@@ -25,13 +46,23 @@ mbpr(mbaddr)
 		printf("mbstat: bad read\n");
 		return;
 	}
-	printf("%d/%d mbufs in use\n", mbstat.m_mbufs - mbstat.m_mbfree,
-		mbstat.m_mbufs);
+	printf("%d/%d mbufs in use:\n",
+		mbstat.m_mbufs - mbstat.m_mbfree, mbstat.m_mbufs);
+	totmbufs = 0;
+	for (mp = mbtypes; mp->mt_name; mp++)
+		if (mbstat.m_mtypes[mp->mt_type]) {
+			printf("\t%d mbufs allocated to %s\n",
+				mbstat.m_mtypes[mp->mt_type], mp->mt_name);
+			totmbufs += mbstat.m_mtypes[mp->mt_type];
+		}
+	if (totmbufs != mbstat.m_mbufs - mbstat.m_mbfree)
+		printf("*** %d mbufs missing ***\n",
+			(mbstat.m_mbufs - mbstat.m_mbfree) - totmbufs);
 	printf("%d/%d mapped pages in use\n",
 		mbstat.m_clusters - mbstat.m_clfree, mbstat.m_clusters);
-	printf("%d requests for memory denied\n", mbstat.m_drops);
 	totmem = mbstat.m_mbufs * MSIZE + mbstat.m_clusters * CLBYTES;
 	totfree = mbstat.m_mbfree * MSIZE + mbstat.m_clusters * CLBYTES;
-	printf("%dKbytes allocated to network (%d%% in use)\n",
+	printf("%d Kbytes allocated to network (%d%% in use)\n",
 		totmem / 1024, (totmem - totfree) * 100 / totmem);
+	printf("%d requests for memory denied\n", mbstat.m_drops);
 }