static char run_str[MAX_JOBS + 1];
int shm_id = 0;
static struct timeval genesis;
-static int temp_stall_ts;
+int temp_stall_ts;
+char *fio_inst_prefix = _INST_PREFIX;
static void print_thread_status(void);
* The ->file_map[] contains a map of blocks we have or have not done io
* to yet. Used to make sure we cover the entire range in a fair fashion.
*/
-static int random_map_free(struct thread_data *td, unsigned long long block)
+static int random_map_free(struct thread_data *td, struct fio_file *f,
+ unsigned long long block)
{
- unsigned int idx = RAND_MAP_IDX(td, block);
- unsigned int bit = RAND_MAP_BIT(td, block);
+ unsigned int idx = RAND_MAP_IDX(td, f, block);
+ unsigned int bit = RAND_MAP_BIT(td, f, block);
- return (td->file_map[idx] & (1UL << bit)) == 0;
+ return (f->file_map[idx] & (1UL << bit)) == 0;
}
/*
* Return the next free block in the map.
*/
-static int get_next_free_block(struct thread_data *td, unsigned long long *b)
+static int get_next_free_block(struct thread_data *td, struct fio_file *f,
+ unsigned long long *b)
{
int i;
*b = 0;
i = 0;
- while ((*b) * td->min_bs < td->io_size) {
- if (td->file_map[i] != -1UL) {
- *b += ffz(td->file_map[i]);
+ while ((*b) * td->min_bs < f->file_size) {
+ if (f->file_map[i] != -1UL) {
+ *b += ffz(f->file_map[i]);
return 0;
}
/*
* Mark a given offset as used in the map.
*/
-static void mark_random_map(struct thread_data *td, struct io_u *io_u)
+static void mark_random_map(struct thread_data *td, struct fio_file *f,
+ struct io_u *io_u)
{
unsigned long long block = io_u->offset / (unsigned long long) td->min_bs;
unsigned int blocks = 0;
while (blocks < (io_u->buflen / td->min_bs)) {
unsigned int idx, bit;
- if (!random_map_free(td, block))
+ if (!random_map_free(td, f, block))
break;
- idx = RAND_MAP_IDX(td, block);
- bit = RAND_MAP_BIT(td, block);
+ idx = RAND_MAP_IDX(td, f, block);
+ bit = RAND_MAP_BIT(td, f, block);
- assert(idx < td->num_maps);
+ assert(idx < f->num_maps);
- td->file_map[idx] |= (1UL << bit);
+ f->file_map[idx] |= (1UL << bit);
block++;
blocks++;
}
* until we find a free one. For sequential io, just return the end of
* the last io issued.
*/
-static int get_next_offset(struct thread_data *td, unsigned long long *offset)
+static int get_next_offset(struct thread_data *td, struct fio_file *f,
+ unsigned long long *offset)
{
unsigned long long b, rb;
long r;
do {
r = os_random_long(&td->random_state);
b = ((max_blocks - 1) * r / (unsigned long long) (RAND_MAX+1.0));
- rb = b + (td->file_offset / td->min_bs);
+ rb = b + (f->file_offset / td->min_bs);
loops--;
- } while (!random_map_free(td, rb) && loops);
+ } while (!random_map_free(td, f, rb) && loops);
if (!loops) {
- if (get_next_free_block(td, &b))
+ if (get_next_free_block(td, f, &b))
return 1;
}
} else
- b = td->last_pos / td->min_bs;
+ b = f->last_pos / td->min_bs;
- *offset = (b * td->min_bs) + td->file_offset;
- if (*offset > td->real_file_size)
+ *offset = (b * td->min_bs) + f->file_offset;
+ if (*offset > f->file_size)
return 1;
return 0;
buflen = (buflen + td->min_bs - 1) & ~(td->min_bs - 1);
}
- if (buflen > td->io_size - td->this_io_bytes[td->ddir])
+ if (buflen > td->io_size - td->this_io_bytes[td->ddir]) {
+ /*
+ * if using direct/raw io, we may not be able to
+ * shrink the size. so just fail it.
+ */
+ if (td->io_ops->flags & FIO_RAWIO)
+ return 0;
+
buflen = td->io_size - td->this_io_bytes[td->ddir];
+ }
return buflen;
}
static int td_io_prep(struct thread_data *td, struct io_u *io_u)
{
- if (td->io_prep && td->io_prep(td, io_u))
+ if (td->io_ops->prep && td->io_ops->prep(td, io_u))
return 1;
return 0;
void put_io_u(struct thread_data *td, struct io_u *io_u)
{
+ io_u->file = NULL;
list_del(&io_u->list);
list_add(&io_u->list, &td->io_u_freelist);
td->cur_depth--;
}
-static int fill_io_u(struct thread_data *td, struct io_u *io_u)
+static int fill_io_u(struct thread_data *td, struct fio_file *f,
+ struct io_u *io_u)
{
/*
* If using an iolog, grab next piece if any available.
/*
* No log, let the seq/rand engine retrieve the next position.
*/
- if (!get_next_offset(td, &io_u->offset)) {
+ if (!get_next_offset(td, f, &io_u->offset)) {
io_u->buflen = get_next_buflen(td);
if (io_u->buflen) {
if (td->write_iolog)
write_iolog_put(td, io_u);
+ io_u->file = f;
return 0;
}
}
* Return an io_u to be processed. Gets a buflen and offset, sets direction,
* etc. The returned io_u is fully ready to be prepped and submitted.
*/
-static struct io_u *get_io_u(struct thread_data *td)
+static struct io_u *get_io_u(struct thread_data *td, struct fio_file *f)
{
struct io_u *io_u;
if (td->zone_bytes >= td->zone_size) {
td->zone_bytes = 0;
- td->last_pos += td->zone_skip;
+ f->last_pos += td->zone_skip;
}
- if (fill_io_u(td, io_u)) {
+ if (fill_io_u(td, f, io_u)) {
put_io_u(td, io_u);
return NULL;
}
- if (io_u->buflen + io_u->offset > td->real_file_size)
- io_u->buflen = td->real_file_size - io_u->offset;
+ if (io_u->buflen + io_u->offset > f->file_size) {
+ if (td->io_ops->flags & FIO_RAWIO) {
+ put_io_u(td, io_u);
+ return NULL;
+ }
+
+ io_u->buflen = f->file_size - io_u->offset;
+ }
if (!io_u->buflen) {
put_io_u(td, io_u);
}
if (!td->read_iolog && !td->sequential)
- mark_random_map(td, io_u);
+ mark_random_map(td, f, io_u);
- td->last_pos += io_u->buflen;
+ f->last_pos += io_u->buflen;
if (td->verify != VERIFY_NONE)
populate_io_u(td, io_u);
return 1;
}
-static int sync_td(struct thread_data *td)
+static struct fio_file *get_next_file(struct thread_data *td)
+{
+ int old_next_file = td->next_file;
+ struct fio_file *f;
+
+ do {
+ f = &td->files[td->next_file];
+
+ td->next_file++;
+ if (td->next_file >= td->nr_files)
+ td->next_file = 0;
+
+ if (f->fd != -1)
+ break;
+
+ f = NULL;
+ } while (td->next_file != old_next_file);
+
+ return f;
+}
+
+static int td_io_sync(struct thread_data *td, struct fio_file *f)
{
- if (td->io_sync)
- return td->io_sync(td);
+ if (td->io_ops->sync)
+ return td->io_ops->sync(td, f);
return 0;
}
-static int io_u_getevents(struct thread_data *td, int min, int max,
+static int td_io_getevents(struct thread_data *td, int min, int max,
struct timespec *t)
{
- return td->io_getevents(td, min, max, t);
+ return td->io_ops->getevents(td, min, max, t);
}
-static int io_u_queue(struct thread_data *td, struct io_u *io_u)
+static int td_io_queue(struct thread_data *td, struct io_u *io_u)
{
gettimeofday(&io_u->issue_time, NULL);
- return td->io_queue(td, io_u);
+ return td->io_ops->queue(td, io_u);
}
#define iocb_time(iocb) ((unsigned long) (iocb)->data)
icd->bytes_done[0] = icd->bytes_done[1] = 0;
for (i = 0; i < icd->nr; i++) {
- io_u = td->io_event(td, i);
+ io_u = td->io_ops->event(td, i);
io_completed(td, io_u, icd);
put_io_u(td, io_u);
/*
* get immediately available events, if any
*/
- r = io_u_getevents(td, 0, td->cur_depth, &ts);
+ r = td_io_getevents(td, 0, td->cur_depth, &ts);
if (r > 0) {
icd.nr = r;
ios_completed(td, &icd);
/*
* now cancel remaining active events
*/
- if (td->io_cancel) {
+ if (td->io_ops->cancel) {
list_for_each_safe(entry, n, &td->io_u_busylist) {
io_u = list_entry(entry, struct io_u, list);
- r = td->io_cancel(td, io_u);
+ r = td->io_ops->cancel(td, io_u);
if (!r)
put_io_u(td, io_u);
}
}
if (td->cur_depth) {
- r = io_u_getevents(td, td->cur_depth, td->cur_depth, NULL);
+ r = td_io_getevents(td, td->cur_depth, td->cur_depth, NULL);
if (r > 0) {
icd.nr = r;
ios_completed(td, &icd);
struct timeval t;
struct io_u *io_u, *v_io_u = NULL;
struct io_completion_data icd;
+ struct fio_file *f;
int ret;
td_set_runstate(td, TD_VERIFYING);
break;
}
+ f = get_next_file(td);
+ if (!f)
+ break;
+
+ io_u->file = f;
+
if (td_io_prep(td, io_u)) {
put_io_u(td, io_u);
break;
}
- ret = io_u_queue(td, io_u);
+ ret = td_io_queue(td, io_u);
if (ret) {
put_io_u(td, io_u);
td_verror(td, ret);
if (do_io_u_verify(td, &v_io_u))
break;
- ret = io_u_getevents(td, 1, 1, NULL);
+ ret = td_io_getevents(td, 1, 1, NULL);
if (ret != 1) {
if (ret < 0)
td_verror(td, ret);
break;
}
- v_io_u = td->io_event(td, 0);
+ v_io_u = td->io_ops->event(td, 0);
icd.nr = 1;
icd.error = 0;
io_completed(td, v_io_u, &icd);
struct io_completion_data icd;
struct timeval s, e;
unsigned long usec;
+ struct fio_file *f;
+ int i;
td_set_runstate(td, TD_RUNNING);
if (td->terminate)
break;
- io_u = get_io_u(td);
+ f = get_next_file(td);
+ if (!f)
+ break;
+
+ io_u = get_io_u(td, f);
if (!io_u)
break;
memcpy(&s, &io_u->start_time, sizeof(s));
- ret = io_u_queue(td, io_u);
+ ret = td_io_queue(td, io_u);
if (ret) {
put_io_u(td, io_u);
td_verror(td, ret);
min_evts = 1;
}
- ret = io_u_getevents(td, min_evts, td->cur_depth, timeout);
+ ret = td_io_getevents(td, min_evts, td->cur_depth, timeout);
if (ret < 0) {
td_verror(td, ret);
break;
if (should_fsync(td) && td->fsync_blocks &&
(td->io_blocks[DDIR_WRITE] % td->fsync_blocks) == 0)
- sync_td(td);
+ td_io_sync(td, f);
}
if (td->cur_depth)
if (should_fsync(td) && td->end_fsync) {
td_set_runstate(td, TD_FSYNCING);
- sync_td(td);
+ for_each_file(td, f, i)
+ td_io_sync(td, f);
}
}
-static void cleanup_io(struct thread_data *td)
+static int td_io_init(struct thread_data *td)
{
- if (td->io_cleanup)
- td->io_cleanup(td);
-}
+ if (td->io_ops->init)
+ return td->io_ops->init(td);
-static int init_io(struct thread_data *td)
-{
- if (td->io_engine == FIO_SYNCIO)
- return fio_syncio_init(td);
- else if (td->io_engine == FIO_MMAPIO)
- return fio_mmapio_init(td);
- else if (td->io_engine == FIO_LIBAIO)
- return fio_libaio_init(td);
- else if (td->io_engine == FIO_POSIXAIO)
- return fio_posixaio_init(td);
- else if (td->io_engine == FIO_SGIO)
- return fio_sgio_init(td);
- else if (td->io_engine == FIO_SPLICEIO)
- return fio_spliceio_init(td);
- else if (td->io_engine == FIO_CPUIO)
- return fio_cpuio_init(td);
- else {
- log_err("bad io_engine %d\n", td->io_engine);
- return 1;
- }
+ return 0;
}
static void cleanup_io_u(struct thread_data *td)
int i, max_units;
char *p;
- if (td->io_engine == FIO_CPUIO)
+ if (td->io_ops->flags & FIO_CPUIO)
return 0;
- if (td->io_engine & FIO_SYNCIO)
+ if (td->io_ops->flags & FIO_SYNCIO)
max_units = 1;
else
max_units = td->iodepth;
return 0;
}
-static int create_file(struct thread_data *td, unsigned long long size)
-{
- unsigned long long left;
- unsigned int bs;
- char *b;
- int r;
-
- /*
- * unless specifically asked for overwrite, let normal io extend it
- */
- if (!td->overwrite) {
- td->real_file_size = size;
- return 0;
- }
-
- if (!size) {
- log_err("Need size for create\n");
- td_verror(td, EINVAL);
- return 1;
- }
-
- temp_stall_ts = 1;
- fprintf(f_out, "%s: Laying out IO file (%LuMiB)\n",td->name,size >> 20);
-
- td->fd = open(td->file_name, O_WRONLY | O_CREAT | O_TRUNC, 0644);
- if (td->fd < 0) {
- td_verror(td, errno);
- goto done_noclose;
- }
-
- if (ftruncate(td->fd, td->file_size) == -1) {
- td_verror(td, errno);
- goto done;
- }
-
- td->io_size = td->file_size;
- b = malloc(td->max_bs);
- memset(b, 0, td->max_bs);
-
- left = size;
- while (left && !td->terminate) {
- bs = td->max_bs;
- if (bs > left)
- bs = left;
-
- r = write(td->fd, b, bs);
-
- if (r == (int) bs) {
- left -= bs;
- continue;
- } else {
- if (r < 0)
- td_verror(td, errno);
- else
- td_verror(td, EIO);
-
- break;
- }
- }
-
- if (td->terminate)
- unlink(td->file_name);
- else if (td->create_fsync)
- fsync(td->fd);
-
- free(b);
-done:
- close(td->fd);
- td->fd = -1;
-done_noclose:
- temp_stall_ts = 0;
- return 0;
-}
-
-static int file_size(struct thread_data *td)
-{
- struct stat st;
-
- if (td->overwrite) {
- if (fstat(td->fd, &st) == -1) {
- td_verror(td, errno);
- return 1;
- }
-
- td->real_file_size = st.st_size;
-
- if (!td->file_size || td->file_size > td->real_file_size)
- td->file_size = td->real_file_size;
- }
-
- td->file_size -= td->file_offset;
- return 0;
-}
-
-static int bdev_size(struct thread_data *td)
-{
- unsigned long long bytes;
- int r;
-
- r = blockdev_size(td->fd, &bytes);
- if (r) {
- td_verror(td, r);
- return 1;
- }
-
- td->real_file_size = bytes;
-
- /*
- * no extend possibilities, so limit size to device size if too large
- */
- if (!td->file_size || td->file_size > td->real_file_size)
- td->file_size = td->real_file_size;
-
- td->file_size -= td->file_offset;
- return 0;
-}
-
-static int get_file_size(struct thread_data *td)
-{
- int ret = 0;
-
- if (td->filetype == FIO_TYPE_FILE)
- ret = file_size(td);
- else if (td->filetype == FIO_TYPE_BD)
- ret = bdev_size(td);
- else
- td->real_file_size = -1;
-
- if (ret)
- return ret;
-
- if (td->file_offset > td->real_file_size) {
- log_err("%s: offset extends end (%Lu > %Lu)\n", td->name, td->file_offset, td->real_file_size);
- return 1;
- }
-
- td->io_size = td->file_size;
- if (td->io_size == 0) {
- log_err("%s: no io blocks\n", td->name);
- td_verror(td, EINVAL);
- return 1;
- }
-
- if (!td->zone_size)
- td->zone_size = td->io_size;
-
- td->total_io_size = td->io_size * td->loops;
- return 0;
-}
-
-static int setup_file_mmap(struct thread_data *td)
-{
- int flags;
-
- if (td_rw(td))
- flags = PROT_READ | PROT_WRITE;
- else if (td_write(td)) {
- flags = PROT_WRITE;
-
- if (td->verify != VERIFY_NONE)
- flags |= PROT_READ;
- } else
- flags = PROT_READ;
-
- td->mmap = mmap(NULL, td->file_size, flags, MAP_SHARED, td->fd, td->file_offset);
- if (td->mmap == MAP_FAILED) {
- td->mmap = NULL;
- td_verror(td, errno);
- return 1;
- }
-
- if (td->invalidate_cache) {
- if (madvise(td->mmap, td->file_size, MADV_DONTNEED) < 0) {
- td_verror(td, errno);
- return 1;
- }
- }
-
- if (td->sequential) {
- if (madvise(td->mmap, td->file_size, MADV_SEQUENTIAL) < 0) {
- td_verror(td, errno);
- return 1;
- }
- } else {
- if (madvise(td->mmap, td->file_size, MADV_RANDOM) < 0) {
- td_verror(td, errno);
- return 1;
- }
- }
-
- return 0;
-}
-
-static int setup_file_plain(struct thread_data *td)
-{
- if (td->invalidate_cache) {
- if (fadvise(td->fd, td->file_offset, td->file_size, POSIX_FADV_DONTNEED) < 0) {
- td_verror(td, errno);
- return 1;
- }
- }
-
- if (td->sequential) {
- if (fadvise(td->fd, td->file_offset, td->file_size, POSIX_FADV_SEQUENTIAL) < 0) {
- td_verror(td, errno);
- return 1;
- }
- } else {
- if (fadvise(td->fd, td->file_offset, td->file_size, POSIX_FADV_RANDOM) < 0) {
- td_verror(td, errno);
- return 1;
- }
- }
-
- return 0;
-}
-
-static int setup_file(struct thread_data *td)
-{
- struct stat st;
- int flags = 0;
-
- if (td->io_engine == FIO_CPUIO)
- return 0;
-
- if (stat(td->file_name, &st) == -1) {
- if (errno != ENOENT) {
- td_verror(td, errno);
- return 1;
- }
- if (!td->create_file) {
- td_verror(td, ENOENT);
- return 1;
- }
- if (create_file(td, td->file_size))
- return 1;
- } else if (td->filetype == FIO_TYPE_FILE &&
- st.st_size < (off_t) td->file_size) {
- if (create_file(td, td->file_size))
- return 1;
- }
-
- if (td->odirect)
- flags |= OS_O_DIRECT;
-
- if (td_write(td) || td_rw(td)) {
- if (td->filetype == FIO_TYPE_FILE) {
- if (!td->overwrite)
- flags |= O_TRUNC;
-
- flags |= O_CREAT;
- }
- if (td->sync_io)
- flags |= O_SYNC;
-
- flags |= O_RDWR;
-
- td->fd = open(td->file_name, flags, 0600);
- } else {
- if (td->filetype == FIO_TYPE_CHAR)
- flags |= O_RDWR;
- else
- flags |= O_RDONLY;
-
- td->fd = open(td->file_name, flags);
- }
-
- if (td->fd == -1) {
- td_verror(td, errno);
- return 1;
- }
-
- if (get_file_size(td))
- return 1;
-
- if (td->io_engine != FIO_MMAPIO)
- return setup_file_plain(td);
- else
- return setup_file_mmap(td);
-}
-
static int switch_ioscheduler(struct thread_data *td)
{
char tmp[256], tmp2[128];
static void clear_io_state(struct thread_data *td)
{
- if (td->io_engine == FIO_SYNCIO)
- lseek(td->fd, SEEK_SET, 0);
+ struct fio_file *f;
+ int i;
- td->last_pos = 0;
td->stat_io_bytes[0] = td->stat_io_bytes[1] = 0;
td->this_io_bytes[0] = td->this_io_bytes[1] = 0;
td->zone_bytes = 0;
- if (td->file_map)
- memset(td->file_map, 0, td->num_maps * sizeof(long));
+ for_each_file(td, f, i) {
+ f->last_pos = 0;
+ if (td->io_ops->flags & FIO_SYNCIO)
+ lseek(f->fd, SEEK_SET, 0);
+
+ if (f->file_map)
+ memset(f->file_map, 0, f->num_maps * sizeof(long));
+ }
}
/*
goto err;
}
- if (init_io(td))
+ if (td_io_init(td))
goto err;
if (init_iolog(td))
fio_sem_up(&startup_sem);
fio_sem_down(&td->mutex);
- if (!td->create_serialize && setup_file(td))
+ if (!td->create_serialize && setup_files(td))
goto err;
gettimeofday(&td->epoch, NULL);
clear_io_state(td);
prune_io_piece_log(td);
- if (td->io_engine == FIO_CPUIO)
+ if (td->io_ops->flags & FIO_CPUIO)
do_cpuio(td);
else
do_io(td);
terminate_threads(td->groupid);
err:
- if (td->fd != -1) {
- close(td->fd);
- td->fd = -1;
- }
- if (td->mmap)
- munmap(td->mmap, td->file_size);
- cleanup_io(td);
+ close_files(td);
+ close_ioengine(td);
cleanup_io_u(td);
td_set_runstate(td, TD_EXITED);
return NULL;
bytes_total = td->total_io_size;
- /*
- * if writing, bytes_total will be twice the size. If mixing,
- * assume a 50/50 split and thus bytes_total will be 50% larger.
- */
- if (td->verify) {
- if (td_rw(td))
- bytes_total = bytes_total * 3 / 2;
- else
- bytes_total <<= 1;
- }
if (td->zone_size && td->zone_skip)
bytes_total /= (td->zone_skip / td->zone_size);
for (i = 0, cputhreads = 0; i < thread_number; i++) {
struct thread_data *td = &threads[i];
- if (td->io_engine == FIO_CPUIO)
+ if (td->io_ops->flags & FIO_CPUIO)
cputhreads++;
if (td->runstate != TD_EXITED)
* we don't want X number of threads getting their
* client data interspersed on disk
*/
- if (setup_file(td)) {
+ if (setup_files(td)) {
td_set_runstate(td, TD_REAPED);
todo--;
}
projects / fio.git / blobdiff