1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
15 void usage(char *prog)
17 printf("usage: %s {-o|-m|-l<tgt>} filenamefmt count\n", prog);
18 printf(" %s {-o|-m|-l<tgt>} filenamefmt -seconds\n", prog);
19 printf(" %s {-o|-m|-l<tgt>} filenamefmt start count\n", prog);
22 int main(int argc, char ** argv)
24 int i, rc = 0, do_open = 0, do_link = 0;
25 char format[4096], *fmt, *tgt;
27 long start, last, end;
28 long begin = 0, count;
30 if (argc < 4 || argc > 5) {
35 if (strcmp(argv[1], "-o") == 0) {
37 } else if (strncmp(argv[1], "-l", 2) == 0 && argv[1][2]) {
40 } else if (strcmp(argv[1], "-m") != 0) {
45 if (strlen(argv[2]) > 4080) {
46 printf("name too long\n");
50 start = last = time(0);
53 end = strtol(argv[3], NULL, 0);
55 begin = strtol(argv[3], NULL, 0);
56 end = strtol(argv[4], NULL, 0);
67 if (strchr(argv[2], '%'))
70 sprintf(format, "%s%%d", argv[2]);
73 for (i = 0; i < count && time(0) < end; i++, begin++) {
74 sprintf(filename, fmt, begin);
76 int fd = open(filename, O_CREAT|O_RDWR, 0644);
78 printf("open(%s) error: %s\n", filename,
85 rc = link(tgt, filename);
87 printf("link(%s, %s) error: %s\n",
88 tgt, filename, strerror(errno));
93 rc = mknod(filename, S_IFREG| 0444, 0);
95 printf("mknod(%s) error: %s\n",
96 filename, strerror(errno));
101 if ((i % 10000) == 0) {
102 printf(" - created %d (time %ld total %ld last %ld)\n",
103 i, time(0), time(0) - start, time(0) - last);
107 printf("total: %d creates in %ld seconds: %f creates/second\n", i,
108 time(0) - start, ((float)i / (time(0) - start)));