*/
static void mark_random_map(struct thread_data *td, struct io_u *io_u)
{
- unsigned int min_bs = td->o.rw_min_bs;
+ unsigned int min_bs = td->o.min_bs[io_u->ddir];
struct fio_file *f = io_u->file;
unsigned int nr_blocks;
uint64_t block;
return 0;
}
+static int __get_next_rand_offset_zoned_abs(struct thread_data *td,
+ struct fio_file *f,
+ enum fio_ddir ddir, uint64_t *b)
+{
+ struct zone_split_index *zsi;
+ uint64_t offset, lastb;
+ uint64_t send, stotal;
+ static int warned;
+ unsigned int v;
+
+ lastb = last_block(td, f, ddir);
+ if (!lastb)
+ return 1;
+
+ if (!td->o.zone_split_nr[ddir]) {
+bail:
+ return __get_next_rand_offset(td, f, ddir, b, lastb);
+ }
+
+ /*
+ * Generate a value, v, between 1 and 100, both inclusive
+ */
+ v = rand32_between(&td->zone_state, 1, 100);
+
+ zsi = &td->zone_state_index[ddir][v - 1];
+ stotal = zsi->size_prev / td->o.ba[ddir];
+ send = zsi->size / td->o.ba[ddir];
+
+ /*
+ * Should never happen
+ */
+ if (send == -1U) {
+ if (!warned) {
+ log_err("fio: bug in zoned generation\n");
+ warned = 1;
+ }
+ goto bail;
+ } else if (send > lastb) {
+ /*
+ * This happens if the user specifies ranges that exceed
+ * the file/device size. We can't handle that gracefully,
+ * so error and exit.
+ */
+ log_err("fio: zoned_abs sizes exceed file size\n");
+ return 1;
+ }
+
+ /*
+ * 'send' is some percentage below or equal to 100 that
+ * marks the end of the current IO range. 'stotal' marks
+ * the start, in percent.
+ */
+ if (stotal)
+ offset = stotal;
+ else
+ offset = 0;
+
+ lastb = send - stotal;
+
+ /*
+ * Generate index from 0..send-of-lastb
+ */
+ if (__get_next_rand_offset(td, f, ddir, b, lastb) == 1)
+ return 1;
+
+ /*
+ * Add our start offset, if any
+ */
+ if (offset)
+ *b += offset;
+
+ return 0;
+}
+
static int __get_next_rand_offset_zoned(struct thread_data *td,
struct fio_file *f, enum fio_ddir ddir,
uint64_t *b)
return __get_next_rand_offset_gauss(td, f, ddir, b);
else if (td->o.random_distribution == FIO_RAND_DIST_ZONED)
return __get_next_rand_offset_zoned(td, f, ddir, b);
+ else if (td->o.random_distribution == FIO_RAND_DIST_ZONED_ABS)
+ return __get_next_rand_offset_zoned_abs(td, f, ddir, b);
log_err("fio: unknown random distribution: %d\n", td->o.random_distribution);
return 1;
goto fetch;
}
+static void loop_cache_invalidate(struct thread_data *td, struct fio_file *f)
+{
+ struct thread_options *o = &td->o;
+
+ if (o->invalidate_cache && !o->odirect) {
+ int fio_unused ret;
+
+ ret = file_invalidate_cache(td, f);
+ }
+}
+
static int get_next_rand_block(struct thread_data *td, struct fio_file *f,
enum fio_ddir ddir, uint64_t *b)
{
fio_file_reset(td, f);
if (!get_next_rand_offset(td, f, ddir, b))
return 0;
+ loop_cache_invalidate(td, f);
}
dprint(FD_IO, "%s: rand offset failed, last=%llu, size=%llu\n",
assert(ddir_rw(ddir));
+ /*
+ * If we reach the end for a time based run, reset us back to 0
+ * and invalidate the cache, if we need to.
+ */
if (f->last_pos[ddir] >= f->io_size + get_start_offset(td, f) &&
o->time_based) {
- struct thread_options *o = &td->o;
- uint64_t io_size = f->io_size + (f->io_size % o->min_bs[ddir]);
-
- if (io_size > f->last_pos[ddir])
- f->last_pos[ddir] = 0;
- else
- f->last_pos[ddir] = f->last_pos[ddir] - io_size;
+ f->last_pos[ddir] = f->file_offset;
+ loop_cache_invalidate(td, f);
}
if (f->last_pos[ddir] < f->real_file_size) {
if (!io_u_fits(td, io_u, minbs))
return 0;
- frand_max = rand_max(&td->bsrange_state);
+ frand_max = rand_max(&td->bsrange_state[ddir]);
do {
- r = __rand(&td->bsrange_state);
+ r = __rand(&td->bsrange_state[ddir]);
if (!td->o.bssplit_nr[ddir]) {
buflen = 1 + (unsigned int) ((double) maxbs *
static enum fio_ddir rate_ddir(struct thread_data *td, enum fio_ddir ddir)
{
enum fio_ddir odir = ddir ^ 1;
- long usec;
+ uint64_t usec;
uint64_t now;
assert(ddir_rw(ddir));
unsigned int i, nr_blocks = io_u->buflen / 512;
uint64_t boffset;
unsigned int offset;
- void *p, *end;
+ char *p, *end;
if (!nr_blocks)
return;
if (td->parent)
td = td->parent;
- if (!td->o.stats)
+ if (!td->o.stats || td_ioengine_flagged(td, FIO_NOSTATS))
return;
if (no_reduce)
struct fio_file *f = io_u->file;
int ret;
- ret = os_trim(f->fd, io_u->offset, io_u->xfer_buflen);
+ ret = os_trim(f, io_u->offset, io_u->xfer_buflen);
if (!ret)
return io_u->xfer_buflen;