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sdiff udiff text old ( 80720 ) new ( 84153 )
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mbuf.c (80720) mbuf.c (84153)
1/*
2 * Copyright (c) 1983, 1988, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

--- 22 unchanged lines hidden (view full) ---

31 * SUCH DAMAGE.
32 */
33
34#ifndef lint
35#if 0
36static char sccsid[] = "@(#)mbuf.c 8.1 (Berkeley) 6/6/93";
37#endif
38static const char rcsid[] =
1/*
2 * Copyright (c) 1983, 1988, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

--- 22 unchanged lines hidden (view full) ---

31 * SUCH DAMAGE.
32 */
33
34#ifndef lint
35#if 0
36static char sccsid[] = "@(#)mbuf.c 8.1 (Berkeley) 6/6/93";
37#endif
38static const char rcsid[] =
39 "$FreeBSD: head/usr.bin/netstat/mbuf.c 80720 2001-07-31 08:19:49Z bmilekic $";
39 "$FreeBSD: head/usr.bin/netstat/mbuf.c 84153 2001-09-30 01:58:39Z bmilekic $";
40#endif /* not lint */
41
42#include <sys/param.h>
43#include <sys/mbuf.h>
44#include <sys/protosw.h>
45#include <sys/socket.h>
46#include <sys/sysctl.h>
47
48#include <err.h>
49#include <stdio.h>
50#include <stdlib.h>
51#include <string.h>
52#include "netstat.h"
53
54#define YES 1
55typedef int bool;
56
40#endif /* not lint */
41
42#include <sys/param.h>
43#include <sys/mbuf.h>
44#include <sys/protosw.h>
45#include <sys/socket.h>
46#include <sys/sysctl.h>
47
48#include <err.h>
49#include <stdio.h>
50#include <stdlib.h>
51#include <string.h>
52#include "netstat.h"
53
54#define YES 1
55typedef int bool;
56
57/* XXX: mbtypes stats temporarily disactivated. */
58#if 0
59static struct mbtypenames {
57static struct mbtypenames {
60 int mt_type;
58 short mt_type;
61 char *mt_name;
62} mbtypenames[] = {
63 { MT_DATA, "data" },
64 { MT_OOBDATA, "oob data" },
65 { MT_CONTROL, "ancillary data" },
66 { MT_HEADER, "packet headers" },
67#ifdef MT_SOCKET
68 { MT_SOCKET, "socket structures" }, /* XXX */

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87#ifdef MT_RIGHTS
88 { MT_RIGHTS, "access rights" },
89#endif
90#ifdef MT_IFADDR
91 { MT_IFADDR, "interface addresses" }, /* XXX */
92#endif
93 { 0, 0 }
94};
59 char *mt_name;
60} mbtypenames[] = {
61 { MT_DATA, "data" },
62 { MT_OOBDATA, "oob data" },
63 { MT_CONTROL, "ancillary data" },
64 { MT_HEADER, "packet headers" },
65#ifdef MT_SOCKET
66 { MT_SOCKET, "socket structures" }, /* XXX */

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85#ifdef MT_RIGHTS
86 { MT_RIGHTS, "access rights" },
87#endif
88#ifdef MT_IFADDR
89 { MT_IFADDR, "interface addresses" }, /* XXX */
90#endif
91 { 0, 0 }
92};
95#endif /* 0 */
96
97/*
98 * Print mbuf statistics.
99 */
100void
101mbpr(u_long mbaddr, u_long mbtaddr, u_long nmbcaddr, u_long nmbufaddr,
102 u_long mblimaddr, u_long cllimaddr, u_long cpusaddr, u_long pgsaddr,
103 u_long mbpaddr)
104{
93
94/*
95 * Print mbuf statistics.
96 */
97void
98mbpr(u_long mbaddr, u_long mbtaddr, u_long nmbcaddr, u_long nmbufaddr,
99 u_long mblimaddr, u_long cllimaddr, u_long cpusaddr, u_long pgsaddr,
100 u_long mbpaddr)
101{
105 int i, nmbufs, nmbclusters, page_size, num_objs;
102 int i, j, nmbufs, nmbclusters, page_size, num_objs;
106 u_int mbuf_limit, clust_limit;
107 u_long totspace[2], totused[2], totnum, totfree;
103 u_int mbuf_limit, clust_limit;
104 u_long totspace[2], totused[2], totnum, totfree;
105 short nmbtypes;
108 size_t mlen;
106 size_t mlen;
107 long *mbtypes = NULL;
109 struct mbstat *mbstat = NULL;
110 struct mbpstat **mbpstat = NULL;
108 struct mbstat *mbstat = NULL;
109 struct mbpstat **mbpstat = NULL;
111
112/* XXX: mbtypes stats temporarily disabled. */
113#if 0
114 int nmbtypes;
115 size_t mbtypeslen;
116 struct mbtypenames *mp;
110 struct mbtypenames *mp;
117 u_long *mbtypes = NULL;
118 bool *seen = NULL;
119
111 bool *seen = NULL;
112
120 /*
121 * XXX
122 * We can't kread() mbtypeslen from a core image so we'll
123 * bogusly assume it's the same as in the running kernel.
124 */
125 if (sysctlbyname("kern.ipc.mbtypes", NULL, &mbtypeslen, NULL, 0) < 0) {
126 warn("sysctl: retrieving mbtypes length");
127 goto err;
128 }
129 if ((mbtypes = malloc(mbtypeslen)) == NULL) {
130 warn("malloc: %lu bytes for mbtypes", (u_long)mbtypeslen);
131 goto err;
132 }
133
134 nmbtypes = mbtypeslen / sizeof(*mbtypes);
135 if ((seen = calloc(nmbtypes, sizeof(*seen))) == NULL) {
136 warn("calloc");
137 goto err;
138 }
139#endif
140
141 mlen = sizeof *mbstat;
142 if ((mbstat = malloc(mlen)) == NULL) {
143 warn("malloc: cannot allocate memory for mbstat");
144 goto err;
145 }
146
147 /*
148 * XXX: Unfortunately, for the time being, we have to fetch

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163 goto err;
164 }
165
166 if (mbaddr) {
167 if (kread(mbpaddr, (char *)mbpstat[0], mlen))
168 goto err;
169 if (kread(mbaddr, (char *)mbstat, sizeof mbstat))
170 goto err;
113 mlen = sizeof *mbstat;
114 if ((mbstat = malloc(mlen)) == NULL) {
115 warn("malloc: cannot allocate memory for mbstat");
116 goto err;
117 }
118
119 /*
120 * XXX: Unfortunately, for the time being, we have to fetch

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135 goto err;
136 }
137
138 if (mbaddr) {
139 if (kread(mbpaddr, (char *)mbpstat[0], mlen))
140 goto err;
141 if (kread(mbaddr, (char *)mbstat, sizeof mbstat))
142 goto err;
171#if 0
172 if (kread(mbtaddr, (char *)mbtypes, mbtypeslen))
173 goto err;
174#endif
175 if (kread(nmbcaddr, (char *)&nmbclusters, sizeof(int)))
176 goto err;
177 if (kread(nmbufaddr, (char *)&nmbufs, sizeof(int)))
178 goto err;
179 if (kread(mblimaddr, (char *)&mbuf_limit, sizeof(u_int)))
180 goto err;
181 if (kread(cllimaddr, (char *)&clust_limit, sizeof(u_int)))
182 goto err;

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189 goto err;
190 }
191 mlen = sizeof *mbstat;
192 if (sysctlbyname("kern.ipc.mbstat", mbstat, &mlen, NULL, 0)
193 < 0) {
194 warn("sysctl: retrieving mbstat");
195 goto err;
196 }
143 if (kread(nmbcaddr, (char *)&nmbclusters, sizeof(int)))
144 goto err;
145 if (kread(nmbufaddr, (char *)&nmbufs, sizeof(int)))
146 goto err;
147 if (kread(mblimaddr, (char *)&mbuf_limit, sizeof(u_int)))
148 goto err;
149 if (kread(cllimaddr, (char *)&clust_limit, sizeof(u_int)))
150 goto err;

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157 goto err;
158 }
159 mlen = sizeof *mbstat;
160 if (sysctlbyname("kern.ipc.mbstat", mbstat, &mlen, NULL, 0)
161 < 0) {
162 warn("sysctl: retrieving mbstat");
163 goto err;
164 }
197#if 0
198 if (sysctlbyname("kern.ipc.mbtypes", mbtypes, &mbtypeslen, NULL,
199 0) < 0) {
200 warn("sysctl: retrieving mbtypes");
201 goto err;
202 }
203#endif
204 mlen = sizeof(int);
205 if (sysctlbyname("kern.ipc.nmbclusters", &nmbclusters, &mlen,
206 NULL, 0) < 0) {
207 warn("sysctl: retrieving nmbclusters");
208 goto err;
209 }
210 mlen = sizeof(int);
211 if (sysctlbyname("kern.ipc.nmbufs", &nmbufs, &mlen, NULL, 0)

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228 mlen = sizeof(int);
229 if (sysctlbyname("hw.pagesize", &page_size, &mlen, NULL, 0)
230 < 0) {
231 warn("sysctl: retrieving hw.pagesize");
232 goto err;
233 }
234 }
235
165 mlen = sizeof(int);
166 if (sysctlbyname("kern.ipc.nmbclusters", &nmbclusters, &mlen,
167 NULL, 0) < 0) {
168 warn("sysctl: retrieving nmbclusters");
169 goto err;
170 }
171 mlen = sizeof(int);
172 if (sysctlbyname("kern.ipc.nmbufs", &nmbufs, &mlen, NULL, 0)

--- 16 unchanged lines hidden (view full) ---

189 mlen = sizeof(int);
190 if (sysctlbyname("hw.pagesize", &page_size, &mlen, NULL, 0)
191 < 0) {
192 warn("sysctl: retrieving hw.pagesize");
193 goto err;
194 }
195 }
196
197 nmbtypes = mbstat->m_numtypes;
198 if ((seen = calloc(nmbtypes, sizeof(*seen))) == NULL) {
199 warn("calloc: cannot allocate memory for mbtypes seen flag");
200 goto err;
201 }
202 if ((mbtypes = calloc(nmbtypes, sizeof(long *))) == NULL) {
203 warn("calloc: cannot allocate memory for mbtypes");
204 goto err;
205 }
206
236 for (i = 0; i < num_objs; i++)
237 mbpstat[i] = mbpstat[0] + i;
238
239#undef MSIZE
240#define MSIZE (mbstat->m_msize)
241#undef MCLBYTES
242#define MCLBYTES (mbstat->m_mclbytes)
243#define MBPERPG (page_size / MSIZE)
244#define CLPERPG (page_size / MCLBYTES)
245#define GENLST (num_objs - 1)
246
247 printf("mbuf usage:\n");
248 printf("\tGEN list:\t%lu/%lu (in use/in pool)\n",
249 (mbpstat[GENLST]->mb_mbpgs * MBPERPG - mbpstat[GENLST]->mb_mbfree),
250 (mbpstat[GENLST]->mb_mbpgs * MBPERPG));
251 totnum = mbpstat[GENLST]->mb_mbpgs * MBPERPG;
252 totfree = mbpstat[GENLST]->mb_mbfree;
207 for (i = 0; i < num_objs; i++)
208 mbpstat[i] = mbpstat[0] + i;
209
210#undef MSIZE
211#define MSIZE (mbstat->m_msize)
212#undef MCLBYTES
213#define MCLBYTES (mbstat->m_mclbytes)
214#define MBPERPG (page_size / MSIZE)
215#define CLPERPG (page_size / MCLBYTES)
216#define GENLST (num_objs - 1)
217
218 printf("mbuf usage:\n");
219 printf("\tGEN list:\t%lu/%lu (in use/in pool)\n",
220 (mbpstat[GENLST]->mb_mbpgs * MBPERPG - mbpstat[GENLST]->mb_mbfree),
221 (mbpstat[GENLST]->mb_mbpgs * MBPERPG));
222 totnum = mbpstat[GENLST]->mb_mbpgs * MBPERPG;
223 totfree = mbpstat[GENLST]->mb_mbfree;
224 for (j = 1; j < nmbtypes; j++)
225 mbtypes[j] += mbpstat[GENLST]->mb_mbtypes[j];
253 totspace[0] = mbpstat[GENLST]->mb_mbpgs * page_size;
254 for (i = 0; i < (num_objs - 1); i++) {
255 if (mbpstat[i]->mb_active == 0)
256 continue;
257 printf("\tCPU #%d list:\t%lu/%lu (in use/in pool)\n", i,
258 (mbpstat[i]->mb_mbpgs * MBPERPG - mbpstat[i]->mb_mbfree),
259 (mbpstat[i]->mb_mbpgs * MBPERPG));
260 totspace[0] += mbpstat[i]->mb_mbpgs * page_size;
261 totnum += mbpstat[i]->mb_mbpgs * MBPERPG;
262 totfree += mbpstat[i]->mb_mbfree;
226 totspace[0] = mbpstat[GENLST]->mb_mbpgs * page_size;
227 for (i = 0; i < (num_objs - 1); i++) {
228 if (mbpstat[i]->mb_active == 0)
229 continue;
230 printf("\tCPU #%d list:\t%lu/%lu (in use/in pool)\n", i,
231 (mbpstat[i]->mb_mbpgs * MBPERPG - mbpstat[i]->mb_mbfree),
232 (mbpstat[i]->mb_mbpgs * MBPERPG));
233 totspace[0] += mbpstat[i]->mb_mbpgs * page_size;
234 totnum += mbpstat[i]->mb_mbpgs * MBPERPG;
235 totfree += mbpstat[i]->mb_mbfree;
236 for (j = 1; j < nmbtypes; j++)
237 mbtypes[j] += mbpstat[i]->mb_mbtypes[j];
263 }
264 totused[0] = totnum - totfree;
265 printf("\tTotal:\t\t%lu/%lu (in use/in pool)\n", totused[0], totnum);
266 printf("\tMaximum number allowed on each CPU list: %d\n", mbuf_limit);
267 printf("\tMaximum possible: %d\n", nmbufs);
238 }
239 totused[0] = totnum - totfree;
240 printf("\tTotal:\t\t%lu/%lu (in use/in pool)\n", totused[0], totnum);
241 printf("\tMaximum number allowed on each CPU list: %d\n", mbuf_limit);
242 printf("\tMaximum possible: %d\n", nmbufs);
243 printf("\tAllocated mbuf types:\n");
244 for (mp = mbtypenames; mp->mt_name; mp++) {
245 if (mbtypes[mp->mt_type]) {
246 seen[mp->mt_type] = YES;
247 printf("\t %lu mbufs allocated to %s\n",
248 mbtypes[mp->mt_type], mp->mt_name);
249 }
250 }
251 for (i = 1; i < nmbtypes; i++) {
252 if (!seen[i] && mbtypes[i])
253 printf("\t %lu mbufs allocated to <mbuf type: %d>\n",
254 mbtypes[i], i);
255 }
268 printf("\t%lu%% of mbuf map consumed\n", ((totspace[0] * 100) / (nmbufs
269 * MSIZE)));
270
271 printf("mbuf cluster usage:\n");
272 printf("\tGEN list:\t%lu/%lu (in use/in pool)\n",
273 (mbpstat[GENLST]->mb_clpgs * CLPERPG - mbpstat[GENLST]->mb_clfree),
274 (mbpstat[GENLST]->mb_clpgs * CLPERPG));
275 totnum = mbpstat[GENLST]->mb_clpgs * CLPERPG;

--- 19 unchanged lines hidden (view full) ---

295 printf("%lu KBytes of wired memory reserved (%lu%% in use)\n",
296 (totspace[0] + totspace[1]) / 1024, ((totused[0] * MSIZE +
297 totused[1] * MCLBYTES) * 100) / (totspace[0] + totspace[1]));
298 printf("%lu requests for memory denied\n", mbstat->m_drops);
299 printf("%lu requests for memory delayed\n", mbstat->m_wait);
300 printf("%lu calls to protocol drain routines\n", mbstat->m_drain);
301
302err:
256 printf("\t%lu%% of mbuf map consumed\n", ((totspace[0] * 100) / (nmbufs
257 * MSIZE)));
258
259 printf("mbuf cluster usage:\n");
260 printf("\tGEN list:\t%lu/%lu (in use/in pool)\n",
261 (mbpstat[GENLST]->mb_clpgs * CLPERPG - mbpstat[GENLST]->mb_clfree),
262 (mbpstat[GENLST]->mb_clpgs * CLPERPG));
263 totnum = mbpstat[GENLST]->mb_clpgs * CLPERPG;

--- 19 unchanged lines hidden (view full) ---

283 printf("%lu KBytes of wired memory reserved (%lu%% in use)\n",
284 (totspace[0] + totspace[1]) / 1024, ((totused[0] * MSIZE +
285 totused[1] * MCLBYTES) * 100) / (totspace[0] + totspace[1]));
286 printf("%lu requests for memory denied\n", mbstat->m_drops);
287 printf("%lu requests for memory delayed\n", mbstat->m_wait);
288 printf("%lu calls to protocol drain routines\n", mbstat->m_drain);
289
290err:
303#if 0
304 if (mbtypes != NULL)
305 free(mbtypes);
306 if (seen != NULL)
307 free(seen);
291 if (mbtypes != NULL)
292 free(mbtypes);
293 if (seen != NULL)
294 free(seen);
308#endif
309 if (mbstat != NULL)
310 free(mbstat);
311 if (mbpstat != NULL) {
312 if (mbpstat[0] != NULL)
313 free(mbpstat[0]);
314 free(mbpstat);
315 }
316
317 return;
318}
295 if (mbstat != NULL)
296 free(mbstat);
297 if (mbpstat != NULL) {
298 if (mbpstat[0] != NULL)
299 free(mbpstat[0]);
300 free(mbpstat);
301 }
302
303 return;
304}