| 1 | #include <stdio.h> |
| 2 | #include <stdlib.h> |
| 3 | #include <fcntl.h> |
| 4 | #include <string.h> |
| 5 | #include <unistd.h> |
| 6 | #include <inttypes.h> |
| 7 | |
| 8 | #include "../lib/lfsr.h" |
| 9 | |
| 10 | struct axmap; |
| 11 | void axmap_set(struct axmap *, uint64_t); |
| 12 | struct axmap *axmap_new(uint64_t size); |
| 13 | |
| 14 | void *smalloc(size_t size) |
| 15 | { |
| 16 | return malloc(size); |
| 17 | } |
| 18 | |
| 19 | void sfree(void *ptr) |
| 20 | { |
| 21 | free(ptr); |
| 22 | } |
| 23 | |
| 24 | int main(int argc, char *argv[]) |
| 25 | { |
| 26 | struct fio_lfsr lfsr; |
| 27 | size_t size = (1UL << 28) - 200; |
| 28 | struct axmap *map; |
| 29 | |
| 30 | if (argc > 1) |
| 31 | size = strtoul(argv[1], NULL, 10); |
| 32 | |
| 33 | printf("Using %llu entries\n", (unsigned long long) size); |
| 34 | |
| 35 | lfsr_init(&lfsr, size); |
| 36 | map = axmap_new(size); |
| 37 | |
| 38 | while (size--) { |
| 39 | uint64_t val; |
| 40 | |
| 41 | lfsr_next(&lfsr, &val); |
| 42 | axmap_set(map, val); |
| 43 | } |
| 44 | |
| 45 | return 0; |
| 46 | } |