1 // SPDX-License-Identifier: CDDL-1.0
10  * or https://opensource.org/licenses/CDDL-1.0.
94 static int phase = PHASE_ALL;  variable
103 	    "usage: %s [-hvycdrRk] [-n <nth>] [-f <files>] [-x <xattrs>]\n"  in usage()
104 	    "       [-s <bytes>] [-p <path>] [-t <script> ] [-o <phase>]\n",  in usage()
108 	    "  --help        -h           This help\n"  in usage()
109 	    "  --verbose     -v           Increase verbosity\n"  in usage()
110 	    "  --verify      -y           Verify xattr contents\n"  in usage()
111 	    "  --nth         -n <nth>     Print every nth file\n"  in usage()
112 	    "  --files       -f <files>   Set xattrs on N files\n"  in usage()
113 	    "  --xattrs      -x <xattrs>  Set N xattrs on each file\n"  in usage()
114 	    "  --size        -s <bytes>   Set N bytes per xattr\n"  in usage()
115 	    "  --path        -p <path>    Path to files\n"  in usage()
116 	    "  --synccaches  -c           Sync caches between phases\n"  in usage()
117 	    "  --dropcaches  -d           Drop caches between phases\n"  in usage()
118 	    "  --script      -t <script>  Exec script between phases\n"  in usage()
119 	    "  --seed        -e <seed>    Random seed value\n"  in usage()
120 	    "  --random      -r           Randomly sized xattrs [16-size]\n"  in usage()
121 	    "  --randomvalue -R           Random xattr values\n"  in usage()
122 	    "  --keep        -k           Don't unlink files\n"  in usage()
123 	    "  --only        -o <num>     Only run phase N\n"  in usage()
137 	while ((c = getopt_long(argc, argv, shortopts, longopts, NULL)) != -1) {  in parse_args()
159 				fprintf(stderr, "Error: the -s value may not "  in parse_args()
189 			phase = strtol(optarg, NULL, 0);  in parse_args()
190 			if (phase <= PHASE_ALL || phase >= PHASE_INVAL) {  in parse_args()
191 				fprintf(stderr, "Error: the -o value must be "  in parse_args()
223 		fprintf(stdout, "only:             %d\n", phase);  in parse_args()
237 	if (fd == -1) {  in drop_caches()
243 	if ((rc == -1) || (rc != 1)) {  in drop_caches()
250 	if (rc == -1) {  in drop_caches()
269 			_exit(-1);  in run_process()
276 		_exit(-1);  in run_process()
280 		while ((rc = waitpid(pid, &status, 0)) == -1 &&  in run_process()
284 			return (-1);  in run_process()
289 	return (-1);  in run_process()
293 post_hook(const char *phase)  in post_hook()  argument
295 	char *argv[3] = { (char *)script, (char *)phase, NULL };  in post_hook()
320 		usec -= USEC_PER_SEC;  in timeval_normalize()
326 		sec--;  in timeval_normalize()
329 	tv->tv_sec = sec;  in timeval_normalize()
330 	tv->tv_usec = usec;  in timeval_normalize()
337 	    tv1->tv_sec - tv2->tv_sec,  in timeval_sub()
338 	    tv1->tv_usec - tv2->tv_usec);  in timeval_sub()
371 		if (snprintf(file, fsize, "%s/file-%d", path, i) >= fsize) {  in create_files()
381 		if ((rc == -1) && (errno != ENOENT)) {  in create_files()
388 		if (rc == -1) {  in create_files()
396 		if (rc == -1) {  in create_files()
428 		ssize_t rc = read(rand, buf + bytes_read, bytes - bytes_read);  in get_random_bytes()
442 	int i, j, rnd_size = size, shift, rc = 0;  in setxattrs()  local
470 		if (snprintf(file, fsize, "%s/file-%d", path, i) >= fsize) {  in setxattrs()
481 				rnd_size = (random() % (size - 16)) + 16;  in setxattrs()
484 			shift = sprintf(value, "size=%d ", rnd_size);  in setxattrs()
485 			memcpy(value + shift, xattrbytes,  in setxattrs()
486 			    sizeof (xattrbytes) - shift);  in setxattrs()
489 			if (rc == -1) {  in setxattrs()
516 	int i, j, rnd_size, shift, rc = 0;  in getxattrs()  local
559 		if (snprintf(file, fsize, "%s/file-%d", path, i) >= fsize) {  in getxattrs()
572 			if (rc == -1) {  in getxattrs()
581 			sscanf(value, "size=%d [a-z]", &rnd_size);  in getxattrs()
582 			shift = sprintf(verify_value, "size=%d ",  in getxattrs()
584 			memcpy(verify_value + shift, xattrbytes,  in getxattrs()
585 			    sizeof (xattrbytes) - shift);  in getxattrs()
638 		if (snprintf(file, fsize, "%s/file-%d", path, i) >= fsize) {  in unlink_files()
648 		if ((rc == -1) && (errno != ENOENT)) {  in unlink_files()
690 	if (phase == PHASE_ALL || phase == PHASE_CREATE) {  in main()
696 	if (phase == PHASE_ALL || phase == PHASE_SETXATTR) {  in main()
702 	if (phase == PHASE_ALL || phase == PHASE_GETXATTR) {  in main()
708 	if (!keep_files && (phase == PHASE_ALL || phase == PHASE_UNLINK)) {  in main()