Merge b_md to HEAD for 0.5.19 release.

[fs/lustre-release.git] / lustre / tests / createmany.c

diff --git a/lustre/tests/createmany.c b/lustre/tests/createmany.c
index 77015a6..c56eda8 100644 (file)
--- a/lustre/tests/createmany.c
+++ b/lustre/tests/createmany.c
@@ -10,31 +10,71 @@
 
 int main(int argc, char ** argv)
 {
-        int i, rc, count;
+        int i, rc = 0, do_open;
         char filename[4096];
+        long int start, last, end, count;
 
-        if (argc < 3) {
-                printf("Usage %s filenamebase count\n", argv[0]);
+        if (argc != 4) {
+                printf("Usage %s <-o|-m> filenamebase <count|-time>\n",
+                       argv[0]);
                 return 1;
         }
 
-        if (strlen(argv[1]) > 4080) {
+        if (strcmp(argv[1], "-o") == 0) {
+                do_open = 1;
+        } else if (strcmp(argv[1], "-m") == 0) {
+                do_open = 0;
+        } else {
+                printf("Usage %s {-o|-m} filenamebase <count|-time>\n",
+                       argv[0]);
+                return 1;
+        }
+
+        if (strlen(argv[2]) > 4080) {
                 printf("name too long\n");
                 return 1;
         }
 
-        count = strtoul(argv[2], NULL, 0);
+        start = last = time(0);
+
+        end = strtol(argv[3], NULL, 0);
 
-        for (i=0 ; i < count ; i++) {
-                sprintf(filename, "%s-%d", argv[1], i);
-                rc = mknod(filename, S_IFREG| 0444, 0);
-                if (rc) {
-                        printf("mknod(%s) error: %s\n",
-                               filename, strerror(errno));
-                        break;
+        if (end > 0) {
+                count = end;
+                end = -1UL >> 1;
+        } else {
+                end = start - end;
+                count = -1UL >> 1;
+        }
+
+        for (i = 0; i < count && time(0) < end; i++) {
+                sprintf(filename, "%s%d", argv[2], i);
+                if (do_open) {
+                        int fd = open(filename, O_CREAT|O_RDWR, 0644);
+                        if (fd < 0) {
+                                printf("open(%s) error: %s\n", filename,
+                                       strerror(errno));
+                                rc = errno;
+                                break;
+                        }
+                        close(fd);
+                } else {
+                        rc = mknod(filename, S_IFREG| 0444, 0);
+                        if (rc) {
+                                printf("mknod(%s) error: %s\n",
+                                       filename, strerror(errno));
+                                rc = errno;
+                                break;
+                        }
+                }
+                if ((i % 10000) == 0) {
+                        printf(" - created %d (time %ld ; total %ld ; last %ld)\n",
+                               i, time(0), time(0) - start, time(0) - last);
+                        last = time(0);
                 }
-               if ((i % 10000) == 0)
-                   printf(" - created %d (time %ld)\n", i, time(0));
         }
+        printf("total: %d creates in %ld seconds: %f creates/second\n", i,
+               time(0) - start, ((float)i / (time(0) - start)));
+
         return rc;
 }