#include <stdio.h>
#include <stdlib.h>
-#include <fcntl.h>
-#include <string.h>
-#include <unistd.h>
#include <inttypes.h>
#include "../lib/lfsr.h"
+#include "../lib/axmap.h"
-struct axmap;
-void axmap_set(struct axmap *, uint64_t);
-struct axmap *axmap_new(uint64_t size);
-
-void *smalloc(size_t size)
+static int test_regular(size_t size, int seed)
{
- return malloc(size);
+ struct fio_lfsr lfsr;
+ struct axmap *map;
+ size_t osize;
+ uint64_t ff;
+ int err;
+
+ printf("Using %llu entries...", (unsigned long long) size);
+ fflush(stdout);
+
+ lfsr_init(&lfsr, size, seed, seed & 0xF);
+ map = axmap_new(size);
+ osize = size;
+ err = 0;
+
+ while (size--) {
+ uint64_t val;
+
+ if (lfsr_next(&lfsr, &val)) {
+ printf("lfsr: short loop\n");
+ err = 1;
+ break;
+ }
+ if (axmap_isset(map, val)) {
+ printf("bit already set\n");
+ err = 1;
+ break;
+ }
+ axmap_set(map, val);
+ if (!axmap_isset(map, val)) {
+ printf("bit not set\n");
+ err = 1;
+ break;
+ }
+ }
+
+ if (err)
+ return err;
+
+ ff = axmap_next_free(map, osize);
+ if (ff != (uint64_t) -1ULL) {
+ printf("axmap_next_free broken: got %llu\n", (unsigned long long) ff);
+ return 1;
+ }
+
+ printf("pass!\n");
+ axmap_free(map);
+ return 0;
}
-void sfree(void *ptr)
+static int test_multi(size_t size, unsigned int bit_off)
{
- free(ptr);
+ unsigned int map_size = size;
+ struct axmap *map;
+ uint64_t val = bit_off;
+ int i, err;
+
+ printf("Test multi %llu entries %u offset...", (unsigned long long) size, bit_off);
+ fflush(stdout);
+
+ map = axmap_new(map_size);
+ while (val + 128 <= map_size) {
+ err = 0;
+ for (i = val; i < val + 128; i++) {
+ if (axmap_isset(map, val + i)) {
+ printf("bit already set\n");
+ err = 1;
+ break;
+ }
+ }
+
+ if (err)
+ break;
+
+ err = axmap_set_nr(map, val, 128);
+ if (err != 128) {
+ printf("only set %u bits\n", err);
+ break;
+ }
+
+ err = 0;
+ for (i = 0; i < 128; i++) {
+ if (!axmap_isset(map, val + i)) {
+ printf("bit not set: %llu\n", (unsigned long long) val + i);
+ err = 1;
+ break;
+ }
+ }
+
+ val += 128;
+ if (err)
+ break;
+ }
+
+ if (!err)
+ printf("pass!\n");
+
+ axmap_free(map);
+ return err;
}
-int main(int argc, char *argv[])
+struct overlap_test {
+ unsigned int start;
+ unsigned int nr;
+ unsigned int ret;
+};
+
+static int test_overlap(void)
{
- struct fio_lfsr lfsr;
- size_t size = (1UL << 28) - 200;
+ struct overlap_test tests[] = {
+ {
+ .start = 16,
+ .nr = 16,
+ .ret = 16,
+ },
+ {
+ .start = 0,
+ .nr = 32,
+ .ret = 16,
+ },
+ {
+ .start = 48,
+ .nr = 32,
+ .ret = 32,
+ },
+ {
+ .start = 32,
+ .nr = 32,
+ .ret = 16,
+ },
+ {
+ .start = 102,
+ .nr = 1,
+ .ret = 1,
+ },
+ {
+ .start = 101,
+ .nr = 3,
+ .ret = 1,
+ },
+ {
+ .start = 106,
+ .nr = 4,
+ .ret = 4,
+ },
+ {
+ .start = 105,
+ .nr = 3,
+ .ret = 1,
+ },
+ {
+ .start = 120,
+ .nr = 4,
+ .ret = 4,
+ },
+ {
+ .start = 118,
+ .nr = 2,
+ .ret = 2,
+ },
+ {
+ .start = 118,
+ .nr = 2,
+ .ret = 0,
+ },
+ {
+ .start = -1U,
+ },
+ };
struct axmap *map;
+ int entries, i, ret, err = 0;
- if (argc > 1)
- size = strtoul(argv[1], NULL, 10);
+ entries = 0;
+ for (i = 0; tests[i].start != 1U; i++) {
+ unsigned int this = tests[i].start + tests[i].nr;
- printf("Using %llu entries\n", (unsigned long long) size);
+ if (this > entries)
+ entries = this;
+ }
- lfsr_init(&lfsr, size);
- map = axmap_new(size);
+ printf("Test overlaps...");
+ fflush(stdout);
- while (size--) {
- uint64_t val;
+ map = axmap_new(entries);
- lfsr_next(&lfsr, &val);
- axmap_set(map, val);
+ for (i = 0; tests[i].start != -1U; i++) {
+ struct overlap_test *t = &tests[i];
+
+ ret = axmap_set_nr(map, t->start, t->nr);
+ if (ret != t->ret) {
+ printf("fail\n");
+ printf("start=%u, nr=%d, ret=%d: %d\n", t->start, t->nr,
+ t->ret, ret);
+ err = 1;
+ break;
+ }
}
+ printf("pass!\n");
+ axmap_free(map);
+ return err;
+}
+
+int main(int argc, char *argv[])
+{
+ size_t size = (1UL << 23) - 200;
+ int seed = 1;
+
+ if (argc > 1) {
+ size = strtoul(argv[1], NULL, 10);
+ if (argc > 2)
+ seed = strtoul(argv[2], NULL, 10);
+ }
+
+ if (test_regular(size, seed))
+ return 1;
+ if (test_multi(size, 0))
+ return 2;
+ if (test_multi(size, 17))
+ return 3;
+ if (test_overlap())
+ return 4;
+
return 0;
}
projects / fio.git / blobdiff