4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 only,
8 * as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License version 2 for more details (a copy is included
14 * in the LICENSE file that accompanied this code).
16 * You should have received a copy of the GNU General Public License
17 * version 2 along with this program; If not, see
18 * http://www.gnu.org/licenses/gpl-2.0.html
23 * Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Use is subject to license terms.
26 * Copyright (c) 2014, Intel Corporation.
29 * This file is part of Lustre, http://www.lustre.org/
31 * lustre/tests/lp_utils.c
33 * Author: You Feng <youfeng@clusterfs.com>
41 #include <sys/types.h>
44 #include <sys/ioctl.h>
49 #define MAX_PROCESSES 8
56 struct timeval t1, t2;
60 static char datestring[80];
64 timestamp = time(NULL);
65 strftime(datestring, 80, "%T", localtime(×tamp));
72 if (verbose > 0 && rank == 0) {
73 gettimeofday(&t1, NULL);
74 printf("%s:\tBeginning %s\n", timestamp(), str);
83 MPI_Barrier(MPI_COMM_WORLD);
84 if (verbose > 0 && rank == 0) {
85 gettimeofday(&t2, NULL);
86 elapsed = (t2.tv_sec + ((float)t2.tv_usec / 1000000)) -
87 (t1.tv_sec + ((float)t1.tv_usec / 1000000));
89 printf("%s:\tFinished %-15s(%.2f min)\n", timestamp(),
92 printf("%s:\tFinished %-15s(%.3f sec)\n",
93 timestamp(), str, elapsed);
99 void dump_diff(char *orig_buf, char *buf, int size, long _off)
104 printf("commpared buf size %d, at offset %lu\n\n", size, _off);
107 printf("original buf:\n");
109 end = orig_buf + size;
112 printf(" %8lx", *(long *)p);
124 printf("different data: diff_data(orig_data)\n");
131 if (memcmp(p, orig_buf + off, sizeof(long)) != 0) {
132 printf("\toff: %5d,\tdata: %8lx (%8lx)\n", off,
134 *(unsigned long *)(orig_buf + off));
140 printf("\n %d total differents found\n\n", diff);
144 void lp_gethostname(void)
146 if (gethostname(hostname, 1024) == -1) {
147 fprintf(stderr, "gethostname: (%d)%s", errno, strerror(errno));
148 MPI_Abort(MPI_COMM_WORLD, 2);
153 * This function does not FAIL if the requested "name" does not exit.
154 * This is just to clean up any files or directories left over from
157 void remove_file_or_dir(char *name)
161 if (stat(name, &statbuf) != -1) {
162 if (S_ISREG(statbuf.st_mode)) {
163 printf("stale file found\n");
164 if (unlink(name) == -1)
165 FAILF("unlink of %s", name);
167 if (S_ISDIR(statbuf.st_mode)) {
168 printf("stale directory found\n");
169 if (rmdir(name) == -1)
170 FAILF("rmdir of %s", name);
175 void create_file(char *name, long filesize, int fill)
177 static char filename[MAX_FILENAME_LEN];
182 long left = filesize;
184 /* Process 0 creates the test file(s) */
186 sprintf(filename, "%s/%s", testdir, name);
187 remove_file_or_dir(filename);
188 fd = creat(filename, FILEMODE);
190 FAILF("create of file %s", filename);
193 if (lseek(fd, filesize - 1, SEEK_SET) == -1) {
195 FAILF("lseek of file %s", filename);
197 if (write(fd, &zero, 1) == -1) {
199 FAILF("write of file %s", filename);
202 if (filesize > 0 && fill) {
203 if (lseek(fd, 0, SEEK_SET) == -1) {
205 FAILF("lseek of file %s", filename);
207 memset(buf, c, 1024);
209 rc = write(fd, buf, MAX(left, 8192));
212 FAILF("write of file %s", filename);
218 FAILF("close of file %s", filename);
222 void check_stat(char *filename, struct stat *state, struct stat *old_state)
224 if (stat(filename, state) == -1)
225 FAILF("stat of file %s", filename);
227 if (memcmp(state, old_state, sizeof(struct stat)) != 0) {
229 FAILF(LP_STAT_FMT, LP_STAT_ARGS);
233 void remove_file(char *name)
235 char filename[MAX_FILENAME_LEN];
237 /* Process 0 remove the file(s) */
239 sprintf(filename, "%s/%s", testdir, name);
240 if (unlink(filename) == -1)
241 FAILF("unlink of file %s", filename);
245 void fill_stride(char *buf, int buf_size, long long rank, long long _off)
248 long long off, data[2];
249 int cp, left = buf_size;
255 cp = left > sizeof(data) ? sizeof(data) : left;