/*
* Copyright (c) 1998-2001 Apple Computer, Inc. All rights reserved.
*
+ * Copyright (c) 2012, Intel Corporation.
+ *
* @APPLE_LICENSE_HEADER_START@
*
* The contents of this file constitute Original Code as defined in and
* Sundry porting patches from Guy Harris 12/2001
* $FreeBSD: src/tools/regression/fsx/fsx.c,v 1.1 2001/12/20 04:15:57 jkh Exp $
*/
-
#include <sys/types.h>
#include <sys/stat.h>
#if defined(_UWIN) || defined(__linux__)
#define NUMPRINTCOLUMNS 32 /* # columns of data to print on each line */
/*
+ * Each test run will work with one or more separate file descriptors for the
+ * same file. This allows testing cache coherency across multiple mountpoints
+ * of the same network filesystem on a single client.
+ */
+struct test_file {
+ char *path;
+ int fd;
+} *test_files = NULL;
+
+int num_test_files;
+enum fd_iteration_policy {
+ FD_SINGLE,
+ FD_ROTATE,
+ FD_RANDOM,
+};
+int fd_policy = FD_RANDOM;
+int fd_last;
+
+/*
* A log entry is an operation and a bunch of arguments.
*/
struct log_entry {
- int operation;
- struct timeval tv;
- int args[3];
+ int operation;
+ int args[3];
+ struct timeval tv;
+ const struct test_file *tf;
};
#define LOGSIZE 100000
char *good_buf; /* a pointer to the correct data */
char *temp_buf; /* a pointer to the current data */
char *fname; /* name of our test file */
-char logfile[1024]; /* name of our log file */
-char goodfile[1024]; /* name of our test file */
+char logfile[PATH_MAX]; /* name of our log file */
+char goodfile[PATH_MAX]; /* name of our test file */
off_t file_size = 0;
off_t biggest = 0;
char state[256];
unsigned long testcalls = 0; /* calls to function "test" */
-unsigned long simulatedopcount = 0; /* -b flag */
+long simulatedopcount = 0; /* -b flag */
int closeprob = 0; /* -c flag */
int debug = 0; /* -d flag */
-unsigned long debugstart = 0; /* -D flag */
-unsigned long maxfilelen = 256 * 1024; /* -l flag */
+long debugstart = 0; /* -D flag */
+long maxfilelen = 256 * 1024; /* -l flag */
int sizechecks = 1; /* -n flag disables them */
int maxoplen = 64 * 1024; /* -o flag */
int quiet = 0; /* -q flag */
-unsigned long progressinterval = 0; /* -p flag */
+long progressinterval = 0; /* -p flag */
int readbdy = 1; /* -r flag */
int style = 0; /* -s flag */
int truncbdy = 1; /* -t flag */
int randomoplen = 1; /* -O flag disables it */
int seed = 1; /* -S flag */
int mapped_writes = 1; /* -W flag disables */
-int mapped_reads = 1; /* -R flag disables it */
+int mapped_reads = 1; /* -R flag disables it */
int fsxgoodfd = 0;
+int o_direct; /* -Z */
FILE * fsxlogf = NULL;
int badoff = -1;
-
void
vwarnc(code, fmt, ap)
int code;
void
-log4(int operation, int arg0, int arg1, int arg2, struct timeval *tv)
+log4(int operation, int arg0, int arg1, int arg2, struct timeval *tv,
+ const struct test_file *tf)
{
struct log_entry *le;
le = &oplog[logptr];
- le->tv = *tv;
le->operation = operation;
le->args[0] = arg0;
le->args[1] = arg1;
le->args[2] = arg2;
+ le->tv = *tv;
+ le->tf = tf;
logptr++;
logcount++;
if (logptr >= LOGSIZE)
logptr = 0;
}
+const char *
+fill_tf_buf(const struct test_file *tf)
+{
+ static int max_tf_len;
+ static char tf_buf[32];
+
+ if (fd_policy == FD_SINGLE)
+ return "";
+
+ if (max_tf_len == 0)
+ max_tf_len = snprintf(tf_buf, sizeof(tf_buf) - 1,
+ "%u", num_test_files - 1);
+
+ sprintf(tf_buf, "[%0*lu]", max_tf_len,
+ (unsigned long)(tf - test_files));
+
+ return tf_buf;
+}
void
logdump(void)
opnum = i+1 + (logcount/LOGSIZE)*LOGSIZE;
lp = &oplog[i];
- prt("%d: %lu.%06lu ", opnum,
+ prt("%d%s: %lu.%06lu ", opnum, fill_tf_buf(lp->tf),
lp->tv.tv_sec, lp->tv.tv_usec);
switch (lp->operation) {
}
}
-struct test_file {
- char *path;
- int fd;
-} *test_files = NULL;
-
-int num_test_files = 0;
-enum fd_iteration_policy {
- FD_SINGLE,
- FD_ROTATE,
- FD_RANDOM,
-};
-int fd_policy = FD_RANDOM;
-int fd_last = 0;
-
struct test_file *
get_tf(void)
{
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),
- 0666);
+ tf->fd = open(tf->path, O_RDWR|(lite ? 0 : O_CREAT|O_TRUNC)|
+ o_direct, 0666);
if (tf->fd < 0) {
prterr(tf->path);
exit(91);
struct stat statbuf;
int fd = get_fd();
- ftruncate(fd, (off_t)0);
- ftruncate(fd, (off_t)100000);
+ /* should not ignore ftruncate(2)'s return value */
+ if (ftruncate(fd, (off_t)0) < 0) {
+ prterr("trunc_hack: ftruncate(0)");
+ exit(1);
+ }
+ if (ftruncate(fd, (off_t)100000) < 0) {
+ prterr("trunc_hack: ftruncate(100000)");
+ exit(1);
+ }
if (fstat(fd, &statbuf)) {
prterr("trunc_hack: fstat");
statbuf.st_size = -1;
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;
+ if (ftruncate(fd, 0) < 0) {
+ prterr("trunc_hack: ftruncate(0) (2nd call)");
+ exit(1);
+ }
}
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_MAPWRITE] = "mapwrite",
};
- if (fd_policy != FD_SINGLE)
- tf_num = fill_tf_buf(tf);
-
/* W. */
if (!(!quiet && ((progressinterval &&
testcalls % progressinterval == 0) ||
(monitorend == -1 || offset <= monitorend)))))))
return;
- 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],
+ prt("%06lu%s %lu.%06lu %-10s %#08x %s %#08x\t(0x%x bytes)\n",
+ testcalls, fill_tf_buf(tf), tv->tv_sec, tv->tv_usec,
+ ops[op],
offset, op == OP_TRUNCATE ? " to " : "thru",
offset + size - 1, size);
}
int fd = tf->fd;
offset -= offset % readbdy;
+ if (o_direct)
+ size -= size % readbdy;
gettimeofday(&t, NULL);
if (size == 0) {
- if (!quiet && testcalls > simulatedopcount)
+ if (!quiet && testcalls > simulatedopcount && !o_direct)
prt("skipping zero size read\n");
- log4(OP_SKIPPED, OP_READ, offset, size, &t);
+ log4(OP_SKIPPED, OP_READ, offset, size, &t, tf);
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);
+ log4(OP_SKIPPED, OP_READ, offset, size, &t, tf);
return;
}
- log4(OP_READ, offset, size, 0, &t);
+ log4(OP_READ, offset, size, 0, &t, tf);
if (testcalls <= simulatedopcount)
return;
if (size == 0) {
if (!quiet && testcalls > simulatedopcount)
prt("skipping zero size read\n");
- log4(OP_SKIPPED, OP_MAPREAD, offset, size, &t);
+ log4(OP_SKIPPED, OP_MAPREAD, offset, size, &t, tf);
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);
+ log4(OP_SKIPPED, OP_MAPREAD, offset, size, &t, tf);
return;
}
- log4(OP_MAPREAD, offset, size, 0, &t);
+ log4(OP_MAPREAD, offset, size, 0, &t, tf);
if (testcalls <= simulatedopcount)
return;
int fd = tf->fd;
offset -= offset % writebdy;
+ if (o_direct)
+ size -= size % writebdy;
gettimeofday(&t, NULL);
if (size == 0) {
- if (!quiet && testcalls > simulatedopcount)
+ if (!quiet && testcalls > simulatedopcount && !o_direct)
prt("skipping zero size write\n");
- log4(OP_SKIPPED, OP_WRITE, offset, size, &t);
+ log4(OP_SKIPPED, OP_WRITE, offset, size, &t, tf);
return;
}
- log4(OP_WRITE, offset, size, file_size, &t);
+ log4(OP_WRITE, offset, size, file_size, &t, tf);
gendata(original_buf, good_buf, offset, size);
if (file_size < offset + size) {
if (size == 0) {
if (!quiet && testcalls > simulatedopcount)
prt("skipping zero size write\n");
- log4(OP_SKIPPED, OP_MAPWRITE, offset, size, &t);
+ log4(OP_SKIPPED, OP_MAPWRITE, offset, size, &t, tf);
return;
}
cur_filesize = file_size;
- log4(OP_MAPWRITE, offset, size, 0, &t);
+ log4(OP_MAPWRITE, offset, size, 0, &t, tf);
gendata(original_buf, good_buf, offset, size);
if (file_size < offset + size) {
prt("truncating to largest ever: 0x%x\n", size);
}
- log4(OP_TRUNCATE, size, (unsigned)file_size, 0, &t);
+ log4(OP_TRUNCATE, size, (unsigned)file_size, 0, &t, tf);
if (size > file_size)
memset(good_buf + file_size, '\0', size - file_size);
return;
gettimeofday(&t, NULL);
- log4(OP_CLOSEOPEN, file_size, (unsigned)file_size, 0, &t);
+ log4(OP_CLOSEOPEN, file_size, (unsigned)file_size, 0, &t, tf);
if (debug)
prt("%06lu %lu.%06lu close/open\n", testcalls, t.tv_sec,
gettimeofday(&t, NULL);
prt(" %lu.%06lu close done\n", t.tv_sec, t.tv_usec);
}
- tf->fd = open(tf->path, O_RDWR, 0);
+ tf->fd = open(tf->path, O_RDWR|o_direct, 0);
if (tf->fd < 0) {
prterr("docloseopen: open");
report_failure(181);
" -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"
-" a different path. Iterate through them in order with 'rotate'"
-" or chose then at 'random'. (defaults to random)\n"
+" -R: read() system calls only (mapped reads disabled)\n"
+" -Z: O_DIRECT (use -R, -W, -r and -w too)\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);
}
setvbuf(stdout, (char *)0, _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"))
+ "b:c:dl:m:no:p:qr:s:t:w:D:I:LN:OP:RS:WZ"))
!= EOF)
switch (ch) {
case 'b':
randomoplen = 0;
break;
case 'P':
- strncpy(goodfile, optarg, sizeof(goodfile));
+ strncpy(goodfile, optarg, sizeof(goodfile) - 1);
strcat(goodfile, "/");
- strncpy(logfile, optarg, sizeof(logfile));
+ strncpy(logfile, optarg, sizeof(logfile) - 1);
strcat(logfile, "/");
dirpath = 1;
break;
if (!quiet)
fprintf(stdout, "mapped writes DISABLED\n");
break;
+ case 'Z':
+ o_direct = O_DIRECT;
+ break;
default:
usage();
original_buf = (char *) malloc(maxfilelen);
for (i = 0; i < maxfilelen; i++)
original_buf[i] = random() % 256;
- good_buf = (char *) malloc(maxfilelen);
- memset(good_buf, '\0', maxfilelen);
- temp_buf = (char *) malloc(maxoplen);
- memset(temp_buf, '\0', maxoplen);
+ if (o_direct) {
+ int ret;
+
+ ret = posix_memalign((void **)&good_buf, writebdy, maxfilelen);
+ if (ret) {
+ prt("main: posix_memalign failed: %s\n", strerror(ret));
+ exit(96);
+ }
+
+ ret = posix_memalign((void **)&temp_buf, readbdy, maxoplen);
+ if (ret) {
+ prt("main: posix_memalign failed: %s\n", strerror(ret));
+ exit(97);
+ }
+ } else {
+ good_buf = malloc(maxfilelen);
+ if (!good_buf) {
+ prt("malloc failed.\n");
+ exit(98);
+ }
+
+ temp_buf = malloc(maxoplen);
+ if (!temp_buf) {
+ prt("malloc failed.\n");
+ exit(99);
+ }
+ }
+ memset(good_buf, 0, maxfilelen);
+ memset(temp_buf, 0, maxoplen);
+
if (lite) { /* zero entire existing file */
ssize_t written;
int fd = get_fd();
git://git.whamcloud.com / fs / lustre-release.git / blobdiff