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1.1 ! root 1: /* ! 2: * Copyright (c) 1983, 1989 Regents of the University of California. ! 3: * All rights reserved. ! 4: * ! 5: * This code is derived from software contributed to Berkeley by ! 6: * Rick Macklem at The University of Guelph. ! 7: * ! 8: * Redistribution and use in source and binary forms are permitted ! 9: * provided that: (1) source distributions retain this entire copyright ! 10: * notice and comment, and (2) distributions including binaries display ! 11: * the following acknowledgement: ``This product includes software ! 12: * developed by the University of California, Berkeley and its contributors'' ! 13: * in the documentation or other materials provided with the distribution ! 14: * and in all advertising materials mentioning features or use of this ! 15: * software. Neither the name of the University nor the names of its ! 16: * contributors may be used to endorse or promote products derived ! 17: * from this software without specific prior written permission. ! 18: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR ! 19: * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED ! 20: * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. ! 21: */ ! 22: ! 23: #ifndef lint ! 24: char copyright[] = ! 25: "@(#) Copyright (c) 1983, 1989 Regents of the University of California.\n\ ! 26: All rights reserved.\n"; ! 27: #endif /* not lint */ ! 28: ! 29: #ifndef lint ! 30: static char sccsid[] = "@(#)nfsstat.c 5.5 (Berkeley) 6/1/90"; ! 31: #endif /* not lint */ ! 32: ! 33: #include <sys/param.h> ! 34: #include <sys/vmmac.h> ! 35: #include <sys/file.h> ! 36: #include <machine/pte.h> ! 37: #include <sys/namei.h> ! 38: #include <sys/mount.h> ! 39: #include <nfs/nfsv2.h> ! 40: #include <nfs/nfs.h> ! 41: #include <ctype.h> ! 42: #include <errno.h> ! 43: #include <nlist.h> ! 44: #include <stdio.h> ! 45: #include <paths.h> ! 46: ! 47: #define YES 1 ! 48: #define NO 0 ! 49: ! 50: struct nlist nl[] = { ! 51: #define N_NFSSTAT 0 ! 52: { "_nfsstats" }, ! 53: #define N_SYSMAP 1 ! 54: { "_Sysmap" }, ! 55: #define N_SYSSIZE 2 ! 56: { "_Syssize" }, ! 57: "", ! 58: }; ! 59: ! 60: struct pte *Sysmap; ! 61: ! 62: char *system = _PATH_UNIX; ! 63: char *kmemf = _PATH_KMEM; ! 64: int kmem; ! 65: int kflag; ! 66: int interval; ! 67: ! 68: extern char *malloc(); ! 69: extern off_t lseek(); ! 70: ! 71: main(argc, argv) ! 72: int argc; ! 73: char *argv[]; ! 74: { ! 75: int ch; ! 76: ! 77: interval = 0; ! 78: argc--; ! 79: argv++; ! 80: if (argc > 0) { ! 81: interval = atoi(argv[0]); ! 82: if (interval <= 0) ! 83: usage(); ! 84: argv++, argc--; ! 85: if (argc > 0) { ! 86: system = *argv; ! 87: argv++, argc--; ! 88: if (argc > 0) { ! 89: kmemf = *argv; ! 90: kflag++; ! 91: } ! 92: } ! 93: } ! 94: if (nlist(system, nl) < 0 || nl[0].n_type == 0) { ! 95: fprintf(stderr, "%s: no namelist\n", system); ! 96: exit(1); ! 97: } ! 98: kmem = open(kmemf, O_RDONLY); ! 99: if (kmem < 0) { ! 100: perror(kmemf); ! 101: exit(1); ! 102: } ! 103: if (kflag) { ! 104: off_t off; ! 105: ! 106: Sysmap = (struct pte *) ! 107: malloc((u_int)(nl[N_SYSSIZE].n_value * sizeof(struct pte))); ! 108: if (!Sysmap) { ! 109: fputs("nfsstat: can't get memory for Sysmap.\n", stderr); ! 110: exit(1); ! 111: } ! 112: off = nl[N_SYSMAP].n_value & ~KERNBASE; ! 113: (void)lseek(kmem, off, L_SET); ! 114: (void)read(kmem, (char *)Sysmap, ! 115: (int)(nl[N_SYSSIZE].n_value * sizeof(struct pte))); ! 116: } ! 117: intpr(interval, nl[N_NFSSTAT].n_value); ! 118: exit(0); ! 119: } ! 120: ! 121: /* ! 122: * Seek into the kernel for a value. ! 123: */ ! 124: off_t ! 125: klseek(fd, base, off) ! 126: int fd, off; ! 127: off_t base; ! 128: { ! 129: if (kflag) { ! 130: /* get kernel pte */ ! 131: base &= ~KERNBASE; ! 132: base = ctob(Sysmap[btop(base)].pg_pfnum) + (base & PGOFSET); ! 133: } ! 134: return (lseek(fd, base, off)); ! 135: } ! 136: ! 137: usage() ! 138: { ! 139: fputs("Usage: nfsstat [interval [ system [ corefile ] ] ]\n", stderr); ! 140: exit(1); ! 141: } ! 142: ! 143: /* ! 144: * Print a description of the network interfaces. ! 145: */ ! 146: intpr(interval, nfsstataddr) ! 147: int interval; ! 148: off_t nfsstataddr; ! 149: { ! 150: struct nfsstats nfsstats; ! 151: ! 152: if (nfsstataddr == 0) { ! 153: printf("nfsstat: symbol not defined\n"); ! 154: return; ! 155: } ! 156: if (interval) { ! 157: sidewaysintpr((unsigned)interval, nfsstataddr); ! 158: return; ! 159: } ! 160: klseek(kmem, nfsstataddr, 0); ! 161: read(kmem, (char *)&nfsstats, sizeof(struct nfsstats)); ! 162: printf("Client Info:\n"); ! 163: printf("Rpc Counts:\n"); ! 164: printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n", ! 165: "Getattr", "Setattr", "Lookup", "Readlink", "Read", ! 166: "Write", "Create", "Remove"); ! 167: printf("%9d %9d %9d %9d %9d %9d %9d %9d\n", ! 168: nfsstats.rpccnt[1], ! 169: nfsstats.rpccnt[2], ! 170: nfsstats.rpccnt[4], ! 171: nfsstats.rpccnt[5], ! 172: nfsstats.rpccnt[6], ! 173: nfsstats.rpccnt[8], ! 174: nfsstats.rpccnt[9], ! 175: nfsstats.rpccnt[10]); ! 176: printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n", ! 177: "Rename", "Link", "Symlink", "Mkdir", "Rmdir", ! 178: "Readdir", "Statfs"); ! 179: printf("%9d %9d %9d %9d %9d %9d %9d\n", ! 180: nfsstats.rpccnt[11], ! 181: nfsstats.rpccnt[12], ! 182: nfsstats.rpccnt[13], ! 183: nfsstats.rpccnt[14], ! 184: nfsstats.rpccnt[15], ! 185: nfsstats.rpccnt[16], ! 186: nfsstats.rpccnt[17]); ! 187: printf("Rpc Info:\n"); ! 188: printf("%9.9s %9.9s %9.9s %9.9s %9.9s\n", ! 189: "TimedOut", "Invalid", "X Replies", "Retries", "Requests"); ! 190: printf("%9d %9d %9d %9d %9d\n", ! 191: nfsstats.rpctimeouts, ! 192: nfsstats.rpcinvalid, ! 193: nfsstats.rpcunexpected, ! 194: nfsstats.rpcretries, ! 195: nfsstats.rpcrequests); ! 196: printf("Cache Info:\n"); ! 197: printf("%9.9s %9.9s %9.9s %9.9s", ! 198: "Attr Hits", "Misses", "Lkup Hits", "Misses"); ! 199: printf(" %9.9s %9.9s %9.9s %9.9s\n", ! 200: "BioR Hits", "Misses", "BioW Hits", "Misses"); ! 201: printf("%9d %9d %9d %9d", ! 202: nfsstats.attrcache_hits, nfsstats.attrcache_misses, ! 203: nfsstats.lookupcache_hits, nfsstats.lookupcache_misses); ! 204: printf(" %9d %9d %9d %9d\n", ! 205: nfsstats.biocache_reads-nfsstats.read_bios, ! 206: nfsstats.read_bios, ! 207: nfsstats.biocache_writes-nfsstats.write_bios, ! 208: nfsstats.write_bios); ! 209: printf("%9.9s %9.9s %9.9s %9.9s", ! 210: "BioRLHits", "Misses", "BioD Hits", "Misses"); ! 211: printf(" %9.9s %9.9s\n", "DirE Hits", "Misses"); ! 212: printf("%9d %9d %9d %9d", ! 213: nfsstats.biocache_readlinks-nfsstats.readlink_bios, ! 214: nfsstats.readlink_bios, ! 215: nfsstats.biocache_readdirs-nfsstats.readdir_bios, ! 216: nfsstats.readdir_bios); ! 217: printf(" %9d %9d\n", ! 218: nfsstats.direofcache_hits, nfsstats.direofcache_misses); ! 219: printf("\nServer Info:\n"); ! 220: printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n", ! 221: "Getattr", "Setattr", "Lookup", "Readlink", "Read", ! 222: "Write", "Create", "Remove"); ! 223: printf("%9d %9d %9d %9d %9d %9d %9d %9d\n", ! 224: nfsstats.srvrpccnt[1], ! 225: nfsstats.srvrpccnt[2], ! 226: nfsstats.srvrpccnt[4], ! 227: nfsstats.srvrpccnt[5], ! 228: nfsstats.srvrpccnt[6], ! 229: nfsstats.srvrpccnt[8], ! 230: nfsstats.srvrpccnt[9], ! 231: nfsstats.srvrpccnt[10]); ! 232: printf("%9.9s %9.9s %9.9s %9.9s %9.9s %9.9s %9.9s\n", ! 233: "Rename", "Link", "Symlink", "Mkdir", "Rmdir", ! 234: "Readdir", "Statfs"); ! 235: printf("%9d %9d %9d %9d %9d %9d %9d\n", ! 236: nfsstats.srvrpccnt[11], ! 237: nfsstats.srvrpccnt[12], ! 238: nfsstats.srvrpccnt[13], ! 239: nfsstats.srvrpccnt[14], ! 240: nfsstats.srvrpccnt[15], ! 241: nfsstats.srvrpccnt[16], ! 242: nfsstats.srvrpccnt[17]); ! 243: printf("Server Ret-Failed\n"); ! 244: printf("%17d\n", nfsstats.srvrpc_errs); ! 245: printf("Server Faults\n"); ! 246: printf("%13d\n", nfsstats.srv_errs); ! 247: printf("Server Cache Stats:\n"); ! 248: printf("%9.9s %9.9s %9.9s %9.9s\n", ! 249: "Inprog", "Idem", "Non-idem", "Misses"); ! 250: printf("%9d %9d %9d %9d\n", ! 251: nfsstats.srvcache_inproghits, ! 252: nfsstats.srvcache_idemdonehits, ! 253: nfsstats.srvcache_nonidemdonehits, ! 254: nfsstats.srvcache_misses); ! 255: } ! 256: ! 257: u_char signalled; /* set if alarm goes off "early" */ ! 258: ! 259: /* ! 260: * Print a running summary of nfs statistics. ! 261: * Repeat display every interval seconds, showing statistics ! 262: * collected over that interval. Assumes that interval is non-zero. ! 263: * First line printed at top of screen is always cumulative. ! 264: */ ! 265: sidewaysintpr(interval, off) ! 266: unsigned interval; ! 267: off_t off; ! 268: { ! 269: struct nfsstats nfsstats, lastst; ! 270: register int line; ! 271: int oldmask; ! 272: int catchalarm(); ! 273: ! 274: klseek(kmem, off, 0); ! 275: ! 276: (void)signal(SIGALRM, catchalarm); ! 277: signalled = NO; ! 278: (void)alarm(interval); ! 279: bzero((caddr_t)&lastst, sizeof(lastst)); ! 280: banner: ! 281: printf(" %8.8s %8.8s %8.8s %8.8s %8.8s %8.8s %8.8s %8.8s\n", ! 282: "Getattr", "Lookup", "Readlink", "Read", ! 283: "Write", "Rename", "Link", "Readdir"); ! 284: fflush(stdout); ! 285: line = 0; ! 286: loop: ! 287: klseek(kmem, off, 0); ! 288: read(kmem, (char *)&nfsstats, sizeof nfsstats); ! 289: printf("Client: %8d %8d %8d %8d %8d %8d %8d %8d\n", ! 290: nfsstats.rpccnt[1]-lastst.rpccnt[1], ! 291: nfsstats.rpccnt[4]-lastst.rpccnt[4], ! 292: nfsstats.rpccnt[5]-lastst.rpccnt[5], ! 293: nfsstats.rpccnt[6]-lastst.rpccnt[6], ! 294: nfsstats.rpccnt[8]-lastst.rpccnt[8], ! 295: nfsstats.rpccnt[11]-lastst.rpccnt[11], ! 296: nfsstats.rpccnt[12]-lastst.rpccnt[12], ! 297: nfsstats.rpccnt[16]-lastst.rpccnt[16]); ! 298: printf("Server: %8d %8d %8d %8d %8d %8d %8d %8d\n", ! 299: nfsstats.srvrpccnt[1]-lastst.srvrpccnt[1], ! 300: nfsstats.srvrpccnt[4]-lastst.srvrpccnt[4], ! 301: nfsstats.srvrpccnt[5]-lastst.srvrpccnt[5], ! 302: nfsstats.srvrpccnt[6]-lastst.srvrpccnt[6], ! 303: nfsstats.srvrpccnt[8]-lastst.srvrpccnt[8], ! 304: nfsstats.srvrpccnt[11]-lastst.srvrpccnt[11], ! 305: nfsstats.srvrpccnt[12]-lastst.srvrpccnt[12], ! 306: nfsstats.srvrpccnt[16]-lastst.srvrpccnt[16]); ! 307: lastst = nfsstats; ! 308: fflush(stdout); ! 309: line++; ! 310: oldmask = sigblock(sigmask(SIGALRM)); ! 311: if (! signalled) { ! 312: sigpause(0); ! 313: } ! 314: sigsetmask(oldmask); ! 315: signalled = NO; ! 316: (void)alarm(interval); ! 317: if (line == 21) ! 318: goto banner; ! 319: goto loop; ! 320: /*NOTREACHED*/ ! 321: } ! 322: ! 323: /* ! 324: * Called if an interval expires before sidewaysintpr has completed a loop. ! 325: * Sets a flag to not wait for the alarm. ! 326: */ ! 327: catchalarm() ! 328: { ! 329: signalled = YES; ! 330: }
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