projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| bad4305f | 1 | #ifndef lint |
| c02627d4 | 2 | static char sccsid[] = "@(#)mbuf.c 4.5 82/12/18"; |
| bad4305f SL |
3 | #endif |
| 4 | ||
| 24bf5f10 | 5 | #include <sys/param.h> |
| bad4305f SL |
6 | #include <sys/mbuf.h> |
| 7 | ||
| 8 | struct mbstat mbstat; | |
| 9 | extern int kmem; | |
| 10 | ||
| 11 | /* | |
| 12 | * Print mbuf statistics. | |
| 13 | */ | |
| 14 | mbpr(mbaddr) | |
| 15 | off_t mbaddr; | |
| 16 | { | |
| 24bf5f10 SL |
17 | register int totmem, totfree; |
| 18 | ||
| bad4305f SL |
19 | if (mbaddr == 0) { |
| 20 | printf("mbstat: symbol not in namelist\n"); | |
| 21 | return; | |
| 22 | } | |
| bad4305f | 23 | klseek(kmem, mbaddr, 0); |
| 24bf5f10 SL |
24 | if (read(kmem, &mbstat, sizeof (mbstat)) != sizeof (mbstat)) { |
| 25 | printf("mbstat: bad read\n"); | |
| 26 | return; | |
| 27 | } | |
| 84f2241b | 28 | printf("%d/%d mbufs in use\n", mbstat.m_mbufs - mbstat.m_mbfree, |
| 24bf5f10 | 29 | mbstat.m_mbufs); |
| 84f2241b | 30 | printf("%d/%d mapped pages in use\n", |
| 24bf5f10 | 31 | mbstat.m_clusters - mbstat.m_clfree, mbstat.m_clusters); |
| 84f2241b | 32 | printf("%d requests for memory denied\n", mbstat.m_drops); |
| 24bf5f10 SL |
33 | totmem = mbstat.m_mbufs * MSIZE + mbstat.m_clusters * CLBYTES; |
| 34 | totfree = mbstat.m_mbfree * MSIZE + mbstat.m_clusters * CLBYTES; | |
| 84f2241b | 35 | printf("%dKbytes allocated to network (%d%% in use)\n", |
| c1567c4d | 36 | totmem / 1024, (totmem - totfree) * 100 / totmem); |
| bad4305f | 37 | } |