+/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
+ * vim:expandtab:shiftwidth=8:tabstop=8:
+ *
+ * GPL HEADER START
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; If not, see
+ * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ * GPL HEADER END
+ */
+/*
+ * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Use is subject to license terms.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
+ */
+
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
gettimeofday(&now, NULL);
/* A positive verbosity means to print every X iterations */
- if (verbose > 0 &&
- (next_num == NULL || num >= *next_num || num >= num_total)) {
+ if (verbose > 0 && (num >= *next_num || num >= num_total)) {
*next_num += verbose;
if (next_time) {
next_time->tv_sec = now.tv_sec - verbose;
if (verbose < 0 && next_time != NULL && difftime(&now, next_time) >= 0){
next_time->tv_sec = now.tv_sec - verbose;
next_time->tv_usec = now.tv_usec;
- if (next_num)
- *next_num = num;
+ *next_num = num;
return 1;
}
int main(int argc, char *argv[])
{
char filename[1024];
- int verbose = 0;
+ int verbose = 0;
unsigned long count, i;
- int threads = 0;
- char *end;
- int rc = 0;
+ int threads = 0;
+ char *end;
+ int rc = 0;
if (argc < 3 || argc > 5) {
fprintf(stderr,
- "usage: %s <filename> <count> [verbose [threads]]\n",
- argv[0]);
+ "usage: %s <filename> <count> [verbose [threads]]\n",
+ argv[0]);
exit(1);
}
count = strtoul(argv[2], &end, 0);
- if (*end) {
+ if (*end) {
fprintf(stderr, "%s: error: bad iteration count '%s'\n",
argv[0], argv[1]);
- exit(2);
- }
- if (argc == 4) {
- verbose = get_verbose(argv[0], argv[3]);
- if (verbose == BAD_VERBOSE)
- exit(2);
- }
- if (argc == 5) {
- threads = strtoul(argv[4], &end, 0);
- if (*end) {
- fprintf(stderr, "%s: error: bad thread count '%s'\n",
- argv[0], argv[1]);
- exit(2);
- }
- }
+ exit(2);
+ }
+ if (argc == 4) {
+ verbose = get_verbose(argv[0], argv[3]);
+ if (verbose == BAD_VERBOSE)
+ exit(2);
+ }
+ if (argc == 5) {
+ threads = strtoul(argv[4], &end, 0);
+ if (*end) {
+ fprintf(stderr, "%s: error: bad thread count '%s'\n",
+ argv[0], argv[1]);
+ exit(2);
+ }
+ }
for (i = 1; i <= threads; i++) {
rc = fork();
if (rc < 0) {
fprintf(stderr, "%s: error: #%ld - %s\n",
- cmdname(argv[0]), i, strerror(rc = errno));
+ cmdname(argv[0]), i, strerror(rc = errno));
break;
} else if (rc == 0) {
thread = i;
rc = 0;
}
- if (threads && thread == 0) { /* parent process */
+ if (threads && thread == 0) { /* parent process */
int live_threads = threads;
while (live_threads > 0) {
live_threads--;
}
}
- } else {
+ } else {
struct timeval start, end, next_time;
- unsigned long next_count;
- double diff;
-
- gettimeofday(&start, NULL);
- next_time.tv_sec = start.tv_sec - verbose;
- next_time.tv_usec = start.tv_usec;
-
- for (i = 0, next_count = verbose; i < count; i++) {
- if (threads)
- sprintf(filename, "%s-%d-%ld",
- argv[1], thread, i);
- else
- sprintf(filename, "%s-%ld", argv[1], i);
-
- rc = mknod(filename, S_IFREG, 0);
- if (rc < 0) {
- fprintf(stderr, "%s: error: mknod(%s): %s\n",
- cmdname(argv[0]), filename,
- strerror(errno));
- rc = errno;
- break;
- }
- if (unlink(filename) < 0) {
- fprintf(stderr, "%s: error: unlink(%s): %s\n",
- cmdname(argv[0]), filename,
- strerror(errno));
- rc = errno;
- break;
- }
- if (be_verbose(verbose, &next_time,i,&next_count,count))
- printf("%s: number %ld\n", cmdname(argv[0]), i);
- }
-
- gettimeofday(&end, NULL);
+ unsigned long next_count;
+ double diff;
+
+ gettimeofday(&start, NULL);
+ next_time.tv_sec = start.tv_sec - verbose;
+ next_time.tv_usec = start.tv_usec;
+
+ for (i = 0, next_count = verbose; i < count; i++) {
+ if (threads)
+ sprintf(filename, "%s-%d-%ld",
+ argv[1], thread, i);
+ else
+ sprintf(filename, "%s-%ld", argv[1], i);
+
+ rc = mknod(filename, S_IFREG, 0);
+ if (rc < 0) {
+ fprintf(stderr, "%s: error: mknod(%s): %s\n",
+ cmdname(argv[0]), filename,
+ strerror(errno));
+ rc = errno;
+ break;
+ }
+ if (unlink(filename) < 0) {
+ fprintf(stderr, "%s: error: unlink(%s): %s\n",
+ cmdname(argv[0]), filename,
+ strerror(errno));
+ rc = errno;
+ break;
+ }
+ if (be_verbose(verbose, &next_time,i,&next_count,count))
+ printf("%s: number %ld\n", cmdname(argv[0]), i);
+ }
+
+ gettimeofday(&end, NULL);
diff = difftime(&end, &start);
- printf("%s: %ldx2 files in %.4gs (%.4g ops/s): rc = %d: %s",
- cmdname(argv[0]), i, diff, (double)i * 2 / diff,
- rc, ctime(&end.tv_sec));
- }
+ printf("%s: %ldx2 files in %.4gs (%.4g ops/s): rc = %d: %s",
+ cmdname(argv[0]), i, diff, (double)i * 2 / diff,
+ rc, ctime(&end.tv_sec));
+ }
return rc;
}