projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 4376ba29 | 1 | #ifndef lint |
| d830bff6 | 2 | static char sccsid[] = "@(#)mbufs.c 1.2 (Lucasfilm) %G%"; |
| 4376ba29 SL |
3 | #endif |
| 4 | ||
| 5 | #include "systat.h" | |
| 6 | #include <sys/mbuf.h> | |
| 7 | ||
| d830bff6 SL |
8 | WINDOW * |
| 9 | openmbufs() | |
| 4376ba29 | 10 | { |
| d830bff6 | 11 | static WINDOW *w = NULL; |
| 4376ba29 | 12 | |
| d830bff6 SL |
13 | if (w == NULL) |
| 14 | w = newwin(20, 70, 3, 5); | |
| 15 | return (w); | |
| 4376ba29 SL |
16 | } |
| 17 | ||
| d830bff6 SL |
18 | closembufs(w) |
| 19 | WINDOW *w; | |
| 4376ba29 SL |
20 | { |
| 21 | ||
| d830bff6 SL |
22 | if (w == NULL) |
| 23 | return; | |
| 24 | move(5, 0); | |
| 25 | clrtobot(); | |
| 26 | wclear(w); | |
| 27 | wrefresh(w); | |
| 4376ba29 SL |
28 | } |
| 29 | ||
| d830bff6 SL |
30 | struct mbstat *mb; |
| 31 | ||
| 4376ba29 SL |
32 | labelmbufs() |
| 33 | { | |
| 34 | ||
| d830bff6 | 35 | move(5, 0); clrtoeol(); |
| 4376ba29 SL |
36 | mvaddstr(5, 20, |
| 37 | "/0 /5 /10 /15 /20 /25 /30 /35 /40 /45 /50"); | |
| 38 | } | |
| 39 | ||
| 40 | char *mtnames[] = { | |
| 41 | "free", | |
| 42 | "data", | |
| 43 | "headers", | |
| 44 | "sockets", | |
| 45 | "pcbs", | |
| 46 | "routes", | |
| 47 | "hosts", | |
| 48 | "arps", | |
| 49 | "socknames", | |
| 50 | "zombies", | |
| 51 | "sockopts", | |
| 52 | "frags", | |
| 53 | }; | |
| 54 | ||
| 55 | showmbufs() | |
| 56 | { | |
| 57 | register int i, j, max, index; | |
| 58 | char buf[10]; | |
| 59 | ||
| 60 | if (mb == 0) | |
| 61 | return; | |
| 62 | for (j = 0; j < 15; j++) { | |
| 63 | max = 0, index = -1; | |
| 64 | for (i = 0; i < 15; i++) | |
| 65 | if (mb->m_mtypes[i] > max) { | |
| 66 | max = mb->m_mtypes[i]; | |
| 67 | index = i; | |
| 68 | } | |
| 69 | if (max == 0) | |
| 70 | break; | |
| 71 | wmove(wnd, 3 + j, 0); | |
| 72 | waddstr(wnd, mtnames[index]); | |
| 73 | wmove(wnd, 3 + j, 15); | |
| 74 | if (max > 50) { | |
| 75 | sprintf(buf, " %d", max); | |
| 76 | max = 50; | |
| 77 | while (max--) | |
| 78 | waddch(wnd, 'X'); | |
| 79 | waddstr(wnd, buf); | |
| 80 | } else { | |
| 81 | while (max--) | |
| 82 | waddch(wnd, 'X'); | |
| 83 | wclrtoeol(wnd); | |
| 84 | } | |
| 85 | mb->m_mtypes[index] = 0; | |
| 86 | } | |
| 87 | while (j++ < 15) { | |
| 88 | wmove(wnd, 3 + j, 0); | |
| 89 | wclrtoeol(wnd); | |
| 90 | } | |
| 91 | } | |
| d830bff6 SL |
92 | |
| 93 | static struct nlist nlst[] = { | |
| 94 | #define X_MBSTAT 0 | |
| 95 | { "_mbstat" }, | |
| 96 | { "" } | |
| 97 | }; | |
| 98 | ||
| 99 | initmbufs() | |
| 100 | { | |
| 101 | ||
| 102 | if (nlst[X_MBSTAT].n_type == 0) { | |
| 103 | nlist("/vmunix", nlst); | |
| 104 | if (nlst[X_MBSTAT].n_type == 0) { | |
| 105 | error("namelist on /vmunix failed"); | |
| 106 | return; | |
| 107 | } | |
| 108 | } | |
| 109 | if (mb == 0) | |
| 110 | mb = (struct mbstat *)calloc(1, sizeof (*mb)); | |
| 111 | } | |
| 112 | ||
| 113 | fetchmbufs() | |
| 114 | { | |
| 115 | ||
| 116 | if (nlst[X_MBSTAT].n_type == 0) | |
| 117 | return; | |
| 118 | lseek(kmem, nlst[X_MBSTAT].n_value, L_SET); | |
| 119 | read(kmem, mb, sizeof (*mb)); | |
| 120 | } |