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1354 lines
31 KiB
1354 lines
31 KiB
/*
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* Copyright (C) 1991, NeXT Computer, Inc. All Rights Reserverd.
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* Copyright (c) 1998-2001 Apple Computer, Inc. All rights reserved.
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*
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* @APPLE_LICENSE_HEADER_START@
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*
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* The contents of this file constitute Original Code as defined in and
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* are subject to the Apple Public Source License Version 1.1 (the
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* "License"). You may not use this file except in compliance with the
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* License. Please obtain a copy of the License at
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* http://www.apple.com/publicsource and read it before using this file.
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*
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* This Original Code and all software distributed under the License are
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* distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
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* License for the specific language governing rights and limitations
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* under the License.
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*
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* @APPLE_LICENSE_HEADER_END@
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*
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* File: fsx.c
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* Author: Avadis Tevanian, Jr.
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*
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* File system exerciser.
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*
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* Rewrite and enhancements 1998-2001 Conrad Minshall -- conrad@mac.com
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*
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* Various features from Joe Sokol, Pat Dirks, and Clark Warner.
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*
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* Small changes to work under Linux -- davej@suse.de
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*
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* Sundry porting patches from Guy Harris 12/2001
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* $FreeBSD: src/tools/regression/fsx/fsx.c,v 1.1 2001/12/20 04:15:57 jkh Exp $
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*
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* Add multi-file testing feature -- Zach Brown <zab@clusterfs.com>
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*/
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#include <sys/types.h>
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#include <sys/stat.h>
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#if defined(_UWIN) || defined(__linux__)
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#include <sys/param.h>
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#include <limits.h>
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#include <time.h>
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#include <strings.h>
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#include <sys/time.h>
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#endif
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#include <fcntl.h>
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#include <sys/mman.h>
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#ifndef MAP_FILE
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#define MAP_FILE 0
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#endif
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#include <limits.h>
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#include <signal.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <stdarg.h>
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#include <errno.h>
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/*
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* A log entry is an operation and a bunch of arguments.
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*/
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struct log_entry {
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int operation;
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struct timeval tv;
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int args[3];
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};
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#define LOGSIZE 1000
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struct log_entry oplog[LOGSIZE]; /* the log */
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int logptr = 0; /* current position in log */
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int logcount = 0; /* total ops */
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/*
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* Define operations
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*/
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#define OP_READ 1
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#define OP_WRITE 2
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#define OP_TRUNCATE 3
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#define OP_CLOSEOPEN 4
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#define OP_MAPREAD 5
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#define OP_MAPWRITE 6
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#define OP_SKIPPED 7
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int page_size;
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int page_mask;
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char *original_buf; /* a pointer to the original data */
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char *good_buf; /* a pointer to the correct data */
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char *temp_buf; /* a pointer to the current data */
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char *fname; /* name of our test file */
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char logfile[1024]; /* name of our log file */
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char goodfile[1024]; /* name of our test file */
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off_t file_size = 0;
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off_t biggest = 0;
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char state[256];
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unsigned long testcalls = 0; /* calls to function "test" */
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unsigned long simulatedopcount = 0; /* -b flag */
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int closeprob = 0; /* -c flag */
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int debug = 0; /* -d flag */
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unsigned long debugstart = 0; /* -D flag */
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unsigned long maxfilelen = 256 * 1024; /* -l flag */
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int sizechecks = 1; /* -n flag disables them */
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int maxoplen = 64 * 1024; /* -o flag */
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int quiet = 0; /* -q flag */
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unsigned long progressinterval = 0; /* -p flag */
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int readbdy = 1; /* -r flag */
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int style = 0; /* -s flag */
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int truncbdy = 1; /* -t flag */
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int writebdy = 1; /* -w flag */
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long monitorstart = -1; /* -m flag */
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long monitorend = -1; /* -m flag */
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int lite = 0; /* -L flag */
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long numops = -1; /* -N flag */
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int randomoplen = 1; /* -O flag disables it */
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int seed = 1; /* -S flag */
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int mapped_writes = 1; /* -W flag disables */
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int mapped_reads = 1; /* -R flag disables it */
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int fsxgoodfd = 0;
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FILE *fsxlogf = NULL;
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int badoff = -1;
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void vwarnc(int code,const char *fmt, va_list ap)
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{
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fprintf(stderr, "fsx: ");
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if (fmt != NULL) {
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vfprintf(stderr, fmt, ap);
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fprintf(stderr, ": ");
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}
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fprintf(stderr, "%s\n", strerror(code));
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}
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void warn(const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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vwarnc(errno, fmt, ap);
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va_end(ap);
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}
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void
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__attribute__ ((format(printf, 1, 2)))
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prt(char *fmt, ...)
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{
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va_list args;
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va_start(args, fmt);
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vfprintf(stdout, fmt, args);
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va_end(args);
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if (fsxlogf) {
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va_start(args, fmt);
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vfprintf(fsxlogf, fmt, args);
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va_end(args);
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}
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}
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void prterr(char *prefix)
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{
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prt("%s%s%s\n", prefix, prefix ? ": " : "", strerror(errno));
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}
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void log4(int operation, int arg0, int arg1, int arg2, struct timeval *tv)
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{
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struct log_entry *le;
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le = &oplog[logptr];
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le->tv = *tv;
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le->operation = operation;
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le->args[0] = arg0;
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le->args[1] = arg1;
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le->args[2] = arg2;
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logptr++;
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logcount++;
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if (logptr >= LOGSIZE)
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logptr = 0;
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}
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void logdump(void)
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{
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int i, count, down;
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struct log_entry *lp;
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prt("LOG DUMP (%d total operations):\n", logcount);
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if (logcount < LOGSIZE) {
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i = 0;
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count = logcount;
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} else {
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i = logptr;
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count = LOGSIZE;
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}
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for (; count > 0; count--) {
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int opnum;
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opnum = i + 1 + (logcount / LOGSIZE) * LOGSIZE;
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lp = &oplog[i];
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prt("%d: %lu.%06lu ", opnum, lp->tv.tv_sec, lp->tv.tv_usec);
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switch (lp->operation) {
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case OP_MAPREAD:
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prt("MAPREAD 0x%x thru 0x%x (0x%x bytes)",
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lp->args[0], lp->args[0] + lp->args[1] - 1,
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lp->args[1]);
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if (badoff >= lp->args[0] && badoff <
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lp->args[0] + lp->args[1])
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prt("\t***RRRR***");
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break;
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case OP_MAPWRITE:
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prt("MAPWRITE 0x%x thru 0x%x (0x%x bytes)",
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lp->args[0], lp->args[0] + lp->args[1] - 1,
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lp->args[1]);
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if (badoff >= lp->args[0] && badoff <
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lp->args[0] + lp->args[1])
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prt("\t******WWWW");
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break;
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case OP_READ:
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prt("READ 0x%x thru 0x%x (0x%x bytes)",
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lp->args[0], lp->args[0] + lp->args[1] - 1,
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lp->args[1]);
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if (badoff >= lp->args[0] &&
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badoff < lp->args[0] + lp->args[1])
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prt("\t***RRRR***");
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break;
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case OP_WRITE:
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prt("WRITE 0x%x thru 0x%x (0x%x bytes)",
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lp->args[0], lp->args[0] + lp->args[1] - 1,
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lp->args[1]);
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if (lp->args[0] > lp->args[2])
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prt(" HOLE");
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else if (lp->args[0] + lp->args[1] > lp->args[2])
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prt(" EXTEND");
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if ((badoff >= lp->args[0] || badoff >= lp->args[2]) &&
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badoff < lp->args[0] + lp->args[1])
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prt("\t***WWWW");
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break;
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case OP_TRUNCATE:
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down = lp->args[0] < lp->args[1];
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prt("TRUNCATE %s\tfrom 0x%x to 0x%x",
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down ? "DOWN" : "UP", lp->args[1], lp->args[0]);
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if (badoff >= lp->args[!down] &&
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badoff < lp->args[! !down])
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prt("\t******WWWW");
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break;
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case OP_CLOSEOPEN:
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prt("CLOSE/OPEN");
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break;
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case OP_SKIPPED:
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prt("SKIPPED (no operation)");
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break;
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default:
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prt("BOGUS LOG ENTRY (operation code = %d)!",
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lp->operation);
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}
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prt("\n");
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i++;
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if (i == LOGSIZE)
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i = 0;
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}
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}
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void save_buffer(char *buffer, off_t bufferlength, int fd)
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{
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off_t ret;
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ssize_t byteswritten;
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if (fd <= 0 || bufferlength == 0)
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return;
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if (bufferlength > INT_MAX) {
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prt("fsx flaw: overflow in save_buffer\n");
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exit(67);
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}
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if (lite) {
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off_t size_by_seek = lseek(fd, (off_t) 0, SEEK_END);
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if (size_by_seek == (off_t) - 1)
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prterr("save_buffer: lseek eof");
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else if (bufferlength > size_by_seek) {
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warn("save_buffer: .fsxgood file too short... will"
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"save 0x%llx bytes instead of 0x%llx\n",
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(unsigned long long)size_by_seek,
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(unsigned long long)bufferlength);
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bufferlength = size_by_seek;
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}
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}
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ret = lseek(fd, (off_t) 0, SEEK_SET);
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if (ret == (off_t) - 1)
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prterr("save_buffer: lseek 0");
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byteswritten = write(fd, buffer, (size_t) bufferlength);
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if (byteswritten != bufferlength) {
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if (byteswritten == -1)
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prterr("save_buffer write");
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else
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warn("save_buffer: short write, 0x%x bytes instead"
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"of 0x%llx\n",
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(unsigned)byteswritten,
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(unsigned long long)bufferlength);
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}
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}
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void report_failure(int status)
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{
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logdump();
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if (fsxgoodfd) {
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if (good_buf) {
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save_buffer(good_buf, file_size, fsxgoodfd);
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prt("Correct content saved for comparison\n");
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prt("(maybe hexdump \"%s\" vs \"%s\")\n",
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fname, goodfile);
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}
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close(fsxgoodfd);
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}
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exit(status);
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}
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|
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#define short_at(cp) ((unsigned short)((*((unsigned char *)(cp)) << 8) | \
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*(((unsigned char *)(cp)) + 1)))
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void check_buffers(unsigned offset, unsigned size)
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{
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unsigned char c, t;
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unsigned i = 0;
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unsigned n = 0;
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unsigned op = 0;
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unsigned bad = 0;
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if (memcmp(good_buf + offset, temp_buf, size) != 0) {
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prt("READ BAD DATA: offset = 0x%x, size = 0x%x\n",
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offset, size);
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prt("OFFSET\tGOOD\tBAD\tRANGE\n");
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while (size > 0) {
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c = good_buf[offset];
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t = temp_buf[i];
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if (c != t) {
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if (n == 0) {
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bad = short_at(&temp_buf[i]);
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prt("%#07x\t%#06x\t%#06x", offset,
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short_at(&good_buf[offset]), bad);
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op = temp_buf[offset & 1 ? i + 1 : i];
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}
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n++;
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badoff = offset;
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}
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offset++;
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i++;
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size--;
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}
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if (n) {
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prt("\t%#7x\n", n);
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if (bad)
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prt("operation# (mod 256) for the bad data"
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"may be %u\n", ((unsigned)op & 0xff));
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else
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prt("operation# (mod 256) for the bad data"
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"unknown, check HOLE and EXTEND ops\n");
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} else
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prt("????????????????\n");
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report_failure(110);
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}
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}
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|
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struct test_file {
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char *path;
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int fd;
|
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} *test_files = NULL;
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|
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int num_test_files = 0;
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enum fd_iteration_policy {
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FD_SINGLE,
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FD_ROTATE,
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FD_RANDOM,
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};
|
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int fd_policy = FD_RANDOM;
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int fd_last = 0;
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|
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struct test_file *get_tf(void)
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{
|
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unsigned index = 0;
|
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|
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switch (fd_policy) {
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case FD_ROTATE:
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index = fd_last++;
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break;
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case FD_RANDOM:
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index = random();
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break;
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case FD_SINGLE:
|
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index = 0;
|
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break;
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default:
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prt("unknown policy");
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exit(1);
|
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break;
|
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}
|
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return &test_files[index % num_test_files];
|
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}
|
|
|
|
void assign_fd_policy(char *policy)
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{
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if (!strcmp(policy, "random"))
|
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fd_policy = FD_RANDOM;
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else if (!strcmp(policy, "rotate"))
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fd_policy = FD_ROTATE;
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else {
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prt("unknown -I policy: '%s'\n", policy);
|
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exit(1);
|
|
}
|
|
}
|
|
|
|
int get_fd(void)
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|
{
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struct test_file *tf = get_tf();
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return tf->fd;
|
|
}
|
|
|
|
void open_test_files(char **argv, int argc)
|
|
{
|
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struct test_file *tf;
|
|
int i;
|
|
|
|
num_test_files = argc;
|
|
if (num_test_files == 1)
|
|
fd_policy = FD_SINGLE;
|
|
|
|
test_files = calloc(num_test_files, sizeof(*test_files));
|
|
if (test_files == NULL) {
|
|
prterr("reallocating space for test files");
|
|
exit(1);
|
|
}
|
|
|
|
for (i = 0, tf = test_files; i < num_test_files; i++, tf++) {
|
|
|
|
tf->path = argv[i];
|
|
tf->fd = open(tf->path, O_RDWR | (lite ? 0 : O_CREAT | O_TRUNC),
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|
0666);
|
|
if (tf->fd < 0) {
|
|
prterr(tf->path);
|
|
exit(91);
|
|
}
|
|
}
|
|
|
|
if (quiet || fd_policy == FD_SINGLE)
|
|
return;
|
|
|
|
for (i = 0, tf = test_files; i < num_test_files; i++, tf++)
|
|
prt("fd %d: %s\n", i, tf->path);
|
|
}
|
|
|
|
void close_test_files(void)
|
|
{
|
|
int i;
|
|
struct test_file *tf;
|
|
|
|
for (i = 0, tf = test_files; i < num_test_files; i++, tf++) {
|
|
if (close(tf->fd)) {
|
|
prterr("close");
|
|
report_failure(99);
|
|
}
|
|
}
|
|
}
|
|
|
|
void check_size(void)
|
|
{
|
|
struct stat statbuf;
|
|
off_t size_by_seek;
|
|
int fd = get_fd();
|
|
|
|
if (fstat(fd, &statbuf)) {
|
|
prterr("check_size: fstat");
|
|
statbuf.st_size = -1;
|
|
}
|
|
size_by_seek = lseek(fd, (off_t) 0, SEEK_END);
|
|
if (file_size != statbuf.st_size || file_size != size_by_seek) {
|
|
prt("Size error: expected 0x%llx stat 0x%llx seek 0x%llx\n",
|
|
(unsigned long long)file_size,
|
|
(unsigned long long)statbuf.st_size,
|
|
(unsigned long long)size_by_seek);
|
|
report_failure(120);
|
|
}
|
|
}
|
|
|
|
void check_trunc_hack(void)
|
|
{
|
|
struct stat statbuf;
|
|
int fd = get_fd();
|
|
|
|
ftruncate(fd, (off_t) 0);
|
|
ftruncate(fd, (off_t) 100000);
|
|
if (fstat(fd, &statbuf)) {
|
|
prterr("trunc_hack: fstat");
|
|
statbuf.st_size = -1;
|
|
}
|
|
if (statbuf.st_size != (off_t) 100000) {
|
|
prt("no extend on truncate! not posix!\n");
|
|
exit(130);
|
|
}
|
|
ftruncate(fd, 0);
|
|
}
|
|
|
|
static char *tf_buf = NULL;
|
|
static int max_tf_len = 0;
|
|
|
|
void alloc_tf_buf(void)
|
|
{
|
|
char dummy = '\0';
|
|
int highest = num_test_files - 1;
|
|
int len;
|
|
|
|
len = snprintf(&dummy, 0, "%u ", highest);
|
|
if (len < 1) {
|
|
prterr("finding max tf_buf");
|
|
exit(1);
|
|
}
|
|
len++;
|
|
tf_buf = malloc(len);
|
|
if (tf_buf == NULL) {
|
|
prterr("allocating tf_buf");
|
|
exit(1);
|
|
}
|
|
max_tf_len = snprintf(tf_buf, len, "%u ", highest);
|
|
if (max_tf_len < 1) {
|
|
prterr("fiding max_tv_len\n");
|
|
exit(1);
|
|
}
|
|
if (max_tf_len != len - 1) {
|
|
warn("snprintf() gave %d instead of %d?\n",
|
|
max_tf_len, len - 1);
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
char *fill_tf_buf(struct test_file *tf)
|
|
{
|
|
if (tf_buf == NULL)
|
|
alloc_tf_buf();
|
|
|
|
sprintf(tf_buf, "%lu ", (unsigned long)(tf - test_files));
|
|
return tf_buf;
|
|
}
|
|
|
|
void
|
|
output_line(struct test_file *tf, int op, unsigned offset,
|
|
unsigned size, struct timeval *tv)
|
|
{
|
|
char *tf_num = "";
|
|
|
|
char *ops[] = {
|
|
[OP_READ] = "read",
|
|
[OP_WRITE] = "write",
|
|
[OP_TRUNCATE] = "trunc from",
|
|
[OP_MAPREAD] = "mapread",
|
|
[OP_MAPWRITE] = "mapwrite",
|
|
};
|
|
|
|
/* W. */
|
|
if (!(!quiet && ((progressinterval &&
|
|
testcalls % progressinterval == 0) ||
|
|
(debug &&
|
|
(monitorstart == -1 ||
|
|
(offset + size > monitorstart &&
|
|
(monitorend == -1 || offset <= monitorend)))))))
|
|
return;
|
|
|
|
if (fd_policy != FD_SINGLE)
|
|
tf_num = fill_tf_buf(tf);
|
|
|
|
prt("%06lu %lu.%06lu %.*s%-10s %#08x %s %#08x\t(0x%x bytes)\n",
|
|
testcalls, tv->tv_sec, tv->tv_usec, max_tf_len,
|
|
tf_num, ops[op],
|
|
offset, op == OP_TRUNCATE ? " to " : "thru",
|
|
offset + size - 1, size);
|
|
}
|
|
|
|
void doread(unsigned offset, unsigned size)
|
|
{
|
|
struct timeval t;
|
|
off_t ret;
|
|
unsigned iret;
|
|
struct test_file *tf = get_tf();
|
|
int fd = tf->fd;
|
|
|
|
offset -= offset % readbdy;
|
|
gettimeofday(&t, NULL);
|
|
if (size == 0) {
|
|
if (!quiet && testcalls > simulatedopcount)
|
|
prt("skipping zero size read\n");
|
|
log4(OP_SKIPPED, OP_READ, offset, size, &t);
|
|
return;
|
|
}
|
|
if (size + offset > file_size) {
|
|
if (!quiet && testcalls > simulatedopcount)
|
|
prt("skipping seek/read past end of file\n");
|
|
log4(OP_SKIPPED, OP_READ, offset, size, &t);
|
|
return;
|
|
}
|
|
|
|
log4(OP_READ, offset, size, 0, &t);
|
|
|
|
if (testcalls <= simulatedopcount)
|
|
return;
|
|
|
|
output_line(tf, OP_READ, offset, size, &t);
|
|
|
|
ret = lseek(fd, (off_t) offset, SEEK_SET);
|
|
if (ret == (off_t) - 1) {
|
|
prterr("doread: lseek");
|
|
report_failure(140);
|
|
}
|
|
iret = read(fd, temp_buf, size);
|
|
if (!quiet && (debug > 1 &&
|
|
(monitorstart == -1 ||
|
|
(offset + size > monitorstart &&
|
|
(monitorend == -1 || offset <= monitorend))))) {
|
|
gettimeofday(&t, NULL);
|
|
prt(" %lu.%06lu read done\n", t.tv_sec, t.tv_usec);
|
|
}
|
|
if (iret != size) {
|
|
if (iret == -1)
|
|
prterr("doread: read");
|
|
else
|
|
prt("short read: 0x%x bytes instead of 0x%x\n",
|
|
iret, size);
|
|
report_failure(141);
|
|
}
|
|
check_buffers(offset, size);
|
|
}
|
|
|
|
void domapread(unsigned offset, unsigned size)
|
|
{
|
|
struct timeval t;
|
|
unsigned pg_offset;
|
|
unsigned map_size;
|
|
char *p;
|
|
struct test_file *tf = get_tf();
|
|
int fd = tf->fd;
|
|
|
|
offset -= offset % readbdy;
|
|
gettimeofday(&t, NULL);
|
|
if (size == 0) {
|
|
if (!quiet && testcalls > simulatedopcount)
|
|
prt("skipping zero size read\n");
|
|
log4(OP_SKIPPED, OP_MAPREAD, offset, size, &t);
|
|
return;
|
|
}
|
|
if (size + offset > file_size) {
|
|
if (!quiet && testcalls > simulatedopcount)
|
|
prt("skipping seek/read past end of file\n");
|
|
log4(OP_SKIPPED, OP_MAPREAD, offset, size, &t);
|
|
return;
|
|
}
|
|
|
|
log4(OP_MAPREAD, offset, size, 0, &t);
|
|
|
|
if (testcalls <= simulatedopcount)
|
|
return;
|
|
|
|
output_line(tf, OP_MAPREAD, offset, size, &t);
|
|
|
|
pg_offset = offset & page_mask;
|
|
map_size = pg_offset + size;
|
|
|
|
if ((p = mmap(0, map_size, PROT_READ, MAP_FILE | MAP_SHARED, fd,
|
|
(off_t) (offset - pg_offset))) == MAP_FAILED) {
|
|
prterr("domapread: mmap");
|
|
report_failure(190);
|
|
}
|
|
if (!quiet && (debug > 1 &&
|
|
(monitorstart == -1 ||
|
|
(offset + size > monitorstart &&
|
|
(monitorend == -1 || offset <= monitorend))))) {
|
|
gettimeofday(&t, NULL);
|
|
prt(" %lu.%06lu mmap done\n", t.tv_sec, t.tv_usec);
|
|
}
|
|
memcpy(temp_buf, p + pg_offset, size);
|
|
if (!quiet && (debug > 1 &&
|
|
(monitorstart == -1 ||
|
|
(offset + size > monitorstart &&
|
|
(monitorend == -1 || offset <= monitorend))))) {
|
|
gettimeofday(&t, NULL);
|
|
prt(" %lu.%06lu memcpy done\n", t.tv_sec, t.tv_usec);
|
|
}
|
|
if (munmap(p, map_size) != 0) {
|
|
prterr("domapread: munmap");
|
|
report_failure(191);
|
|
}
|
|
if (!quiet && (debug > 1 &&
|
|
(monitorstart == -1 ||
|
|
(offset + size > monitorstart &&
|
|
(monitorend == -1 || offset <= monitorend))))) {
|
|
gettimeofday(&t, NULL);
|
|
prt(" %lu.%06lu munmap done\n", t.tv_sec, t.tv_usec);
|
|
}
|
|
|
|
check_buffers(offset, size);
|
|
}
|
|
|
|
void gendata(char *original_buf, char *good_buf, unsigned offset, unsigned size)
|
|
{
|
|
while (size--) {
|
|
good_buf[offset] = testcalls % 256;
|
|
if (offset % 2)
|
|
good_buf[offset] += original_buf[offset];
|
|
offset++;
|
|
}
|
|
}
|
|
|
|
void dowrite(unsigned offset, unsigned size)
|
|
{
|
|
struct timeval t;
|
|
off_t ret;
|
|
unsigned iret;
|
|
struct test_file *tf = get_tf();
|
|
int fd = tf->fd;
|
|
|
|
offset -= offset % writebdy;
|
|
gettimeofday(&t, NULL);
|
|
if (size == 0) {
|
|
if (!quiet && testcalls > simulatedopcount)
|
|
prt("skipping zero size write\n");
|
|
log4(OP_SKIPPED, OP_WRITE, offset, size, &t);
|
|
return;
|
|
}
|
|
|
|
log4(OP_WRITE, offset, size, file_size, &t);
|
|
|
|
gendata(original_buf, good_buf, offset, size);
|
|
if (file_size < offset + size) {
|
|
if (file_size < offset)
|
|
memset(good_buf + file_size, '\0', offset - file_size);
|
|
file_size = offset + size;
|
|
if (lite) {
|
|
warn("Lite file size bug in fsx!");
|
|
report_failure(149);
|
|
}
|
|
}
|
|
|
|
if (testcalls <= simulatedopcount)
|
|
return;
|
|
|
|
output_line(tf, OP_WRITE, offset, size, &t);
|
|
|
|
ret = lseek(fd, (off_t) offset, SEEK_SET);
|
|
if (ret == (off_t) - 1) {
|
|
prterr("dowrite: lseek");
|
|
report_failure(150);
|
|
}
|
|
iret = write(fd, good_buf + offset, size);
|
|
if (!quiet && (debug > 1 &&
|
|
(monitorstart == -1 ||
|
|
(offset + size > monitorstart &&
|
|
(monitorend == -1 || offset <= monitorend))))) {
|
|
gettimeofday(&t, NULL);
|
|
prt(" %lu.%06lu write done\n", t.tv_sec, t.tv_usec);
|
|
}
|
|
if (iret != size) {
|
|
if (iret == -1)
|
|
prterr("dowrite: write");
|
|
else
|
|
prt("short write: 0x%x bytes instead of 0x%x\n",
|
|
iret, size);
|
|
report_failure(151);
|
|
}
|
|
}
|
|
|
|
void domapwrite(unsigned offset, unsigned size)
|
|
{
|
|
struct timeval t;
|
|
unsigned pg_offset;
|
|
unsigned map_size;
|
|
off_t cur_filesize;
|
|
char *p;
|
|
struct test_file *tf = get_tf();
|
|
int fd = tf->fd;
|
|
|
|
offset -= offset % writebdy;
|
|
gettimeofday(&t, NULL);
|
|
if (size == 0) {
|
|
if (!quiet && testcalls > simulatedopcount)
|
|
prt("skipping zero size write\n");
|
|
log4(OP_SKIPPED, OP_MAPWRITE, offset, size, &t);
|
|
return;
|
|
}
|
|
cur_filesize = file_size;
|
|
|
|
log4(OP_MAPWRITE, offset, size, 0, &t);
|
|
|
|
gendata(original_buf, good_buf, offset, size);
|
|
if (file_size < offset + size) {
|
|
if (file_size < offset)
|
|
memset(good_buf + file_size, '\0', offset - file_size);
|
|
file_size = offset + size;
|
|
if (lite) {
|
|
warn("Lite file size bug in fsx!");
|
|
report_failure(200);
|
|
}
|
|
}
|
|
|
|
if (testcalls <= simulatedopcount)
|
|
return;
|
|
|
|
output_line(tf, OP_MAPWRITE, offset, size, &t);
|
|
|
|
if (file_size > cur_filesize) {
|
|
if (ftruncate(fd, file_size) == -1) {
|
|
prterr("domapwrite: ftruncate");
|
|
exit(201);
|
|
}
|
|
if (!quiet && (debug > 1 &&
|
|
(monitorstart == -1 ||
|
|
(offset + size > monitorstart &&
|
|
(monitorend == -1
|
|
|| offset <= monitorend))))) {
|
|
gettimeofday(&t, NULL);
|
|
prt(" %lu.%06lu truncate done\n", t.tv_sec,
|
|
t.tv_usec);
|
|
}
|
|
}
|
|
pg_offset = offset & page_mask;
|
|
map_size = pg_offset + size;
|
|
|
|
if ((p =
|
|
mmap(0, map_size, PROT_READ | PROT_WRITE, MAP_FILE | MAP_SHARED,
|
|
fd, (off_t) (offset - pg_offset))) == MAP_FAILED) {
|
|
prterr("domapwrite: mmap");
|
|
report_failure(202);
|
|
}
|
|
if (!quiet && (debug > 1 &&
|
|
(monitorstart == -1 ||
|
|
(offset + size > monitorstart &&
|
|
(monitorend == -1 || offset <= monitorend))))) {
|
|
gettimeofday(&t, NULL);
|
|
prt(" %lu.%06lu mmap done\n", t.tv_sec, t.tv_usec);
|
|
}
|
|
memcpy(p + pg_offset, good_buf + offset, size);
|
|
if (!quiet && (debug > 1 &&
|
|
(monitorstart == -1 ||
|
|
(offset + size > monitorstart &&
|
|
(monitorend == -1 || offset <= monitorend))))) {
|
|
gettimeofday(&t, NULL);
|
|
prt(" %lu.%06lu memcpy done\n", t.tv_sec, t.tv_usec);
|
|
}
|
|
if (msync(p, map_size, 0) != 0) {
|
|
prterr("domapwrite: msync");
|
|
report_failure(203);
|
|
}
|
|
if (!quiet && (debug > 1 &&
|
|
(monitorstart == -1 ||
|
|
(offset + size > monitorstart &&
|
|
(monitorend == -1 || offset <= monitorend))))) {
|
|
gettimeofday(&t, NULL);
|
|
prt(" %lu.%06lu msync done\n", t.tv_sec, t.tv_usec);
|
|
}
|
|
if (munmap(p, map_size) != 0) {
|
|
prterr("domapwrite: munmap");
|
|
report_failure(204);
|
|
}
|
|
if (!quiet && (debug > 1 &&
|
|
(monitorstart == -1 ||
|
|
(offset + size > monitorstart &&
|
|
(monitorend == -1 || offset <= monitorend))))) {
|
|
gettimeofday(&t, NULL);
|
|
prt(" %lu.%06lu munmap done\n", t.tv_sec, t.tv_usec);
|
|
}
|
|
}
|
|
|
|
void dotruncate(unsigned size)
|
|
{
|
|
struct timeval t;
|
|
int oldsize = file_size;
|
|
struct test_file *tf = get_tf();
|
|
int fd = tf->fd;
|
|
|
|
size -= size % truncbdy;
|
|
gettimeofday(&t, NULL);
|
|
if (size > biggest) {
|
|
biggest = size;
|
|
if (!quiet && testcalls > simulatedopcount)
|
|
prt("truncating to largest ever: 0x%x\n", size);
|
|
}
|
|
|
|
log4(OP_TRUNCATE, size, (unsigned)file_size, 0, &t);
|
|
|
|
if (size > file_size)
|
|
memset(good_buf + file_size, '\0', size - file_size);
|
|
file_size = size;
|
|
|
|
if (testcalls <= simulatedopcount)
|
|
return;
|
|
|
|
output_line(tf, OP_TRUNCATE, oldsize, size, &t);
|
|
|
|
if (ftruncate(fd, (off_t) size) == -1) {
|
|
prt("ftruncate1: %x\n", size);
|
|
prterr("dotruncate: ftruncate");
|
|
report_failure(160);
|
|
}
|
|
if (!quiet && debug > 1) {
|
|
gettimeofday(&t, NULL);
|
|
prt(" %lu.%06lu trunc done\n", t.tv_sec, t.tv_usec);
|
|
}
|
|
}
|
|
|
|
void writefileimage(void)
|
|
{
|
|
ssize_t iret;
|
|
int fd = get_fd();
|
|
|
|
if (lseek(fd, (off_t) 0, SEEK_SET) == (off_t) - 1) {
|
|
prterr("writefileimage: lseek");
|
|
report_failure(171);
|
|
}
|
|
iret = write(fd, good_buf, file_size);
|
|
if ((off_t) iret != file_size) {
|
|
if (iret == -1)
|
|
prterr("writefileimage: write");
|
|
else
|
|
prt("short write: 0x%lx bytes instead of 0x%llx\n",
|
|
(unsigned long)iret, (unsigned long long)file_size);
|
|
report_failure(172);
|
|
}
|
|
if (lite ? 0 : ftruncate(fd, file_size) == -1) {
|
|
prt("ftruncate2: %llx\n", (unsigned long long)file_size);
|
|
prterr("writefileimage: ftruncate");
|
|
report_failure(173);
|
|
}
|
|
}
|
|
|
|
void docloseopen(void)
|
|
{
|
|
struct timeval t;
|
|
struct test_file *tf = get_tf();
|
|
|
|
if (testcalls <= simulatedopcount)
|
|
return;
|
|
|
|
gettimeofday(&t, NULL);
|
|
log4(OP_CLOSEOPEN, file_size, (unsigned)file_size, 0, &t);
|
|
|
|
if (debug)
|
|
prt("%06lu %lu.%06lu close/open\n", testcalls, t.tv_sec,
|
|
t.tv_usec);
|
|
if (close(tf->fd)) {
|
|
prterr("docloseopen: close");
|
|
report_failure(180);
|
|
}
|
|
if (!quiet && debug > 1) {
|
|
gettimeofday(&t, NULL);
|
|
prt(" %lu.%06lu close done\n", t.tv_sec, t.tv_usec);
|
|
}
|
|
tf->fd = open(tf->path, O_RDWR, 0);
|
|
if (tf->fd < 0) {
|
|
prterr("docloseopen: open");
|
|
report_failure(181);
|
|
}
|
|
if (!quiet && debug > 1) {
|
|
gettimeofday(&t, NULL);
|
|
prt(" %lu.%06lu open done\n", t.tv_sec, t.tv_usec);
|
|
}
|
|
}
|
|
|
|
void test(void)
|
|
{
|
|
unsigned long offset;
|
|
unsigned long size = maxoplen;
|
|
unsigned long rv = random();
|
|
unsigned long op = rv % (3 + !lite + mapped_writes);
|
|
|
|
/* turn off the map read if necessary */
|
|
|
|
if (op == 2 && !mapped_reads)
|
|
op = 0;
|
|
|
|
if (simulatedopcount > 0 && testcalls == simulatedopcount)
|
|
writefileimage();
|
|
|
|
testcalls++;
|
|
|
|
if (debugstart > 0 && testcalls >= debugstart)
|
|
debug = 1;
|
|
|
|
if (!quiet && testcalls < simulatedopcount && testcalls % 100000 == 0)
|
|
prt("%lu...\n", testcalls);
|
|
|
|
/*
|
|
* READ: op = 0
|
|
* WRITE: op = 1
|
|
* MAPREAD: op = 2
|
|
* TRUNCATE: op = 3
|
|
* MAPWRITE: op = 3 or 4
|
|
*/
|
|
if (lite ? 0 : op == 3 && (style & 1) == 0) /* vanilla truncate? */
|
|
dotruncate(random() % maxfilelen);
|
|
else {
|
|
if (randomoplen)
|
|
size = random() % (maxoplen + 1);
|
|
if (lite ? 0 : op == 3)
|
|
dotruncate(size);
|
|
else {
|
|
offset = random();
|
|
if (op == 1 || op == (lite ? 3 : 4)) {
|
|
offset %= maxfilelen;
|
|
if (offset + size > maxfilelen)
|
|
size = maxfilelen - offset;
|
|
if (op != 1)
|
|
domapwrite(offset, size);
|
|
else
|
|
dowrite(offset, size);
|
|
} else {
|
|
if (file_size)
|
|
offset %= file_size;
|
|
else
|
|
offset = 0;
|
|
if (offset + size > file_size)
|
|
size = file_size - offset;
|
|
if (op != 0)
|
|
domapread(offset, size);
|
|
else
|
|
doread(offset, size);
|
|
}
|
|
}
|
|
}
|
|
if (sizechecks && testcalls > simulatedopcount)
|
|
check_size();
|
|
if (closeprob && (rv >> 3) < (1 << 28) / closeprob)
|
|
docloseopen();
|
|
}
|
|
|
|
void cleanup(int sig)
|
|
{
|
|
if (sig)
|
|
prt("signal %d\n", sig);
|
|
prt("testcalls = %lu\n", testcalls);
|
|
exit(sig);
|
|
}
|
|
|
|
void usage(void)
|
|
{
|
|
fprintf(stdout, "usage: %s",
|
|
"fsx [-dnqLOW] [-b opnum] [-c Prob] [-l flen] [-m "
|
|
"start:end] [-o oplen] [-p progressinterval] [-r readbdy] [-s style] [-t "
|
|
"truncbdy] [-w writebdy] [-D startingop] [-N numops] [-P dirpath] [-S seed] "
|
|
"[ -I random|rotate ] fname [additional paths to fname..]\n"
|
|
" -b opnum: beginning operation number (default 1)\n"
|
|
" -c P: 1 in P chance of file close+open at each op (default infinity)\n"
|
|
" -d: debug output for all operations [-d -d = more debugging]\n"
|
|
" -l flen: the upper bound on file size (default 262144)\n"
|
|
" -m start:end: monitor (print debug) specified byte range (default 0:infinity)\n"
|
|
" -n: no verifications of file size\n"
|
|
" -o oplen: the upper bound on operation size (default 65536)\n"
|
|
" -p progressinterval: debug output at specified operation interval\n"
|
|
" -q: quieter operation\n"
|
|
" -r readbdy: 4096 would make reads page aligned (default 1)\n"
|
|
" -s style: 1 gives smaller truncates (default 0)\n"
|
|
" -t truncbdy: 4096 would make truncates page aligned (default 1)\n"
|
|
" -w writebdy: 4096 would make writes page aligned (default 1)\n"
|
|
" -D startingop: debug output starting at specified operation\n"
|
|
" -L: fsxLite - no file creations & no file size changes\n"
|
|
" -N numops: total # operations to do (default infinity)\n"
|
|
" -O: use oplen (see -o flag) for every op (default random)\n"
|
|
" -P: save .fsxlog and .fsxgood files in dirpath (default ./)\n"
|
|
" -S seed: for random # generator (default 1) 0 gets timestamp\n"
|
|
" -W: mapped write operations DISabled\n"
|
|
" -R: read() system calls only (mapped reads disabled)\n"
|
|
" -I: When multiple paths to the file are given each operation uses\n"
|
|
" a different path. Iterate through them in order with 'rotate'\n"
|
|
" or chose then at 'random'. (defaults to random)\n"
|
|
" fname: this filename is REQUIRED (no default)\n");
|
|
exit(90);
|
|
}
|
|
|
|
int getnum(char *s, char **e)
|
|
{
|
|
int ret = -1;
|
|
|
|
*e = NULL;
|
|
ret = strtol(s, e, 0);
|
|
if (*e)
|
|
switch (**e) {
|
|
case 'b':
|
|
case 'B':
|
|
ret *= 512;
|
|
*e = *e + 1;
|
|
break;
|
|
case 'k':
|
|
case 'K':
|
|
ret *= 1024;
|
|
*e = *e + 1;
|
|
break;
|
|
case 'm':
|
|
case 'M':
|
|
ret *= 1024 * 1024;
|
|
*e = *e + 1;
|
|
break;
|
|
case 'w':
|
|
case 'W':
|
|
ret *= 4;
|
|
*e = *e + 1;
|
|
break;
|
|
}
|
|
return (ret);
|
|
}
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
int i, style, ch;
|
|
char *endp;
|
|
int dirpath = 0;
|
|
|
|
goodfile[0] = 0;
|
|
logfile[0] = 0;
|
|
|
|
page_size = getpagesize();
|
|
page_mask = page_size - 1;
|
|
|
|
setvbuf(stdout, NULL, _IOLBF, 0); /* line buffered stdout */
|
|
|
|
while ((ch = getopt(argc, argv,
|
|
"b:c:dl:m:no:p:qr:s:t:w:D:I:LN:OP:RS:W"))
|
|
!= EOF)
|
|
switch (ch) {
|
|
case 'b':
|
|
simulatedopcount = getnum(optarg, &endp);
|
|
if (!quiet)
|
|
fprintf(stdout, "Will begin at operation"
|
|
"%ld\n", simulatedopcount);
|
|
if (simulatedopcount == 0)
|
|
usage();
|
|
simulatedopcount -= 1;
|
|
break;
|
|
case 'c':
|
|
closeprob = getnum(optarg, &endp);
|
|
if (!quiet)
|
|
fprintf(stdout,
|
|
"Chance of close/open is 1 in %d\n",
|
|
closeprob);
|
|
if (closeprob <= 0)
|
|
usage();
|
|
break;
|
|
case 'd':
|
|
debug++;
|
|
break;
|
|
case 'l':
|
|
maxfilelen = getnum(optarg, &endp);
|
|
if (maxfilelen <= 0)
|
|
usage();
|
|
break;
|
|
case 'm':
|
|
monitorstart = getnum(optarg, &endp);
|
|
if (monitorstart < 0)
|
|
usage();
|
|
if (!endp || *endp++ != ':')
|
|
usage();
|
|
monitorend = getnum(endp, &endp);
|
|
if (monitorend < 0)
|
|
usage();
|
|
if (monitorend == 0)
|
|
monitorend = -1; /* aka infinity */
|
|
debug = 1;
|
|
case 'n':
|
|
sizechecks = 0;
|
|
break;
|
|
case 'o':
|
|
maxoplen = getnum(optarg, &endp);
|
|
if (maxoplen <= 0)
|
|
usage();
|
|
break;
|
|
case 'p':
|
|
progressinterval = getnum(optarg, &endp);
|
|
if (progressinterval < 0)
|
|
usage();
|
|
break;
|
|
case 'q':
|
|
quiet = 1;
|
|
break;
|
|
case 'r':
|
|
readbdy = getnum(optarg, &endp);
|
|
if (readbdy <= 0)
|
|
usage();
|
|
break;
|
|
case 's':
|
|
style = getnum(optarg, &endp);
|
|
if (style < 0 || style > 1)
|
|
usage();
|
|
break;
|
|
case 't':
|
|
truncbdy = getnum(optarg, &endp);
|
|
if (truncbdy <= 0)
|
|
usage();
|
|
break;
|
|
case 'w':
|
|
writebdy = getnum(optarg, &endp);
|
|
if (writebdy <= 0)
|
|
usage();
|
|
break;
|
|
case 'D':
|
|
debugstart = getnum(optarg, &endp);
|
|
if (debugstart < 1)
|
|
usage();
|
|
break;
|
|
case 'I':
|
|
assign_fd_policy(optarg);
|
|
break;
|
|
case 'L':
|
|
lite = 1;
|
|
break;
|
|
case 'N':
|
|
numops = getnum(optarg, &endp);
|
|
if (numops < 0)
|
|
usage();
|
|
break;
|
|
case 'O':
|
|
randomoplen = 0;
|
|
break;
|
|
case 'P':
|
|
strncpy(goodfile, optarg, sizeof(goodfile));
|
|
strcat(goodfile, "/");
|
|
strncpy(logfile, optarg, sizeof(logfile));
|
|
strcat(logfile, "/");
|
|
dirpath = 1;
|
|
break;
|
|
case 'R':
|
|
mapped_reads = 0;
|
|
break;
|
|
case 'S':
|
|
seed = getnum(optarg, &endp);
|
|
if (seed == 0)
|
|
seed = time(0) % 10000;
|
|
if (!quiet)
|
|
fprintf(stdout, "Seed set to %d\n", seed);
|
|
if (seed < 0)
|
|
usage();
|
|
break;
|
|
case 'W':
|
|
mapped_writes = 0;
|
|
if (!quiet)
|
|
fprintf(stdout, "mapped writes DISABLED\n");
|
|
break;
|
|
|
|
default:
|
|
usage();
|
|
|
|
}
|
|
argc -= optind;
|
|
argv += optind;
|
|
if (argc < 1)
|
|
usage();
|
|
fname = argv[0];
|
|
|
|
signal(SIGHUP, cleanup);
|
|
signal(SIGINT, cleanup);
|
|
signal(SIGPIPE, cleanup);
|
|
signal(SIGALRM, cleanup);
|
|
signal(SIGTERM, cleanup);
|
|
signal(SIGXCPU, cleanup);
|
|
signal(SIGXFSZ, cleanup);
|
|
signal(SIGVTALRM, cleanup);
|
|
signal(SIGUSR1, cleanup);
|
|
signal(SIGUSR2, cleanup);
|
|
|
|
initstate(seed, state, 256);
|
|
setstate(state);
|
|
|
|
open_test_files(argv, argc);
|
|
|
|
strncat(goodfile, dirpath ? basename(fname) : fname, 256);
|
|
strcat(goodfile, ".fsxgood");
|
|
fsxgoodfd = open(goodfile, O_RDWR | O_CREAT | O_TRUNC, 0666);
|
|
if (fsxgoodfd < 0) {
|
|
prterr(goodfile);
|
|
exit(92);
|
|
}
|
|
strncat(logfile, dirpath ? basename(fname) : fname, 256);
|
|
strcat(logfile, ".fsxlog");
|
|
fsxlogf = fopen(logfile, "w");
|
|
if (fsxlogf == NULL) {
|
|
prterr(logfile);
|
|
exit(93);
|
|
}
|
|
if (lite) {
|
|
off_t ret;
|
|
int fd = get_fd();
|
|
file_size = maxfilelen = lseek(fd, (off_t) 0, SEEK_END);
|
|
if (file_size == (off_t) - 1) {
|
|
prterr(fname);
|
|
warn("main: lseek eof");
|
|
exit(94);
|
|
}
|
|
ret = lseek(fd, (off_t) 0, SEEK_SET);
|
|
if (ret == (off_t) - 1) {
|
|
prterr(fname);
|
|
warn("main: lseek 0");
|
|
exit(95);
|
|
}
|
|
}
|
|
original_buf = malloc(maxfilelen);
|
|
if (original_buf == NULL)
|
|
exit(96);
|
|
for (i = 0; i < maxfilelen; i++)
|
|
original_buf[i] = random() % 256;
|
|
|
|
good_buf = malloc(maxfilelen);
|
|
if (good_buf == NULL)
|
|
exit(97);
|
|
memset(good_buf, '\0', maxfilelen);
|
|
|
|
temp_buf = malloc(maxoplen);
|
|
if (temp_buf == NULL)
|
|
exit(99);
|
|
memset(temp_buf, '\0', maxoplen);
|
|
|
|
if (lite) { /* zero entire existing file */
|
|
ssize_t written;
|
|
int fd = get_fd();
|
|
|
|
written = write(fd, good_buf, (size_t) maxfilelen);
|
|
if (written != maxfilelen) {
|
|
if (written == -1) {
|
|
prterr(fname);
|
|
warn("main: error on write");
|
|
} else
|
|
warn("main: short write, 0x%x bytes instead"
|
|
"of 0x%x\n",
|
|
(unsigned)written, maxfilelen);
|
|
exit(98);
|
|
}
|
|
} else
|
|
check_trunc_hack();
|
|
|
|
while (numops == -1 || numops--)
|
|
test();
|
|
|
|
close_test_files();
|
|
prt("All operations completed A-OK!\n");
|
|
|
|
if (tf_buf)
|
|
free(tf_buf);
|
|
|
|
free(original_buf);
|
|
free(good_buf);
|
|
free(temp_buf);
|
|
|
|
return 0;
|
|
}
|