#include "fio.h"
#include "os.h"
-static unsigned long page_mask;
+unsigned long page_mask;
+unsigned long page_size;
#define ALIGN(buf) \
(char *) (((unsigned long) (buf) + page_mask) & ~page_mask)
int groupid = 0;
int thread_number = 0;
+int nr_process = 0;
+int nr_thread = 0;
int shm_id = 0;
int temp_stall_ts;
static int check_min_rate(struct thread_data *td, struct timeval *now)
{
unsigned long long bytes = 0;
+ unsigned long iops = 0;
unsigned long spent;
unsigned long rate;
/*
* No minimum rate set, always ok
*/
- if (!td->ratemin)
+ if (!td->ratemin && !td->rate_iops_min)
return 0;
/*
if (mtime_since(&td->start, now) < 2000)
return 0;
- if (td_read(td))
+ if (td_read(td)) {
+ iops += td->io_blocks[DDIR_READ];
bytes += td->this_io_bytes[DDIR_READ];
- if (td_write(td))
+ }
+ if (td_write(td)) {
+ iops += td->io_blocks[DDIR_WRITE];
bytes += td->this_io_bytes[DDIR_WRITE];
+ }
/*
* if rate blocks is set, sample is running
*/
- if (td->rate_bytes) {
+ if (td->rate_bytes || td->rate_blocks) {
spent = mtime_since(&td->lastrate, now);
if (spent < td->ratecycle)
return 0;
- if (bytes < td->rate_bytes) {
- fprintf(f_out, "%s: min rate %u not met\n", td->name, td->ratemin);
- return 1;
+ if (td->rate) {
+ /*
+ * check bandwidth specified rate
+ */
+ if (bytes < td->rate_bytes) {
+ log_err("%s: min rate %u not met\n", td->name, td->ratemin);
+ return 1;
+ } else {
+ rate = (bytes - td->rate_bytes) / spent;
+ if (rate < td->ratemin || bytes < td->rate_bytes) {
+ log_err("%s: min rate %u not met, got %luKiB/sec\n", td->name, td->ratemin, rate);
+ return 1;
+ }
+ }
} else {
- rate = (bytes - td->rate_bytes) / spent;
- if (rate < td->ratemin || bytes < td->rate_bytes) {
- fprintf(f_out, "%s: min rate %u not met, got %luKiB/sec\n", td->name, td->ratemin, rate);
+ /*
+ * checks iops specified rate
+ */
+ if (iops < td->rate_iops) {
+ log_err("%s: min iops rate %u not met\n", td->name, td->rate_iops);
return 1;
+ } else {
+ rate = (iops - td->rate_blocks) / spent;
+ if (rate < td->rate_iops_min || iops < td->rate_blocks) {
+ log_err("%s: min iops rate %u not met, got %lu\n", td->name, td->rate_iops_min, rate);
+ }
}
}
}
td->rate_bytes = bytes;
+ td->rate_blocks = iops;
memcpy(&td->lastrate, now, sizeof(*now));
return 0;
}
{
struct fio_file *f;
struct io_u *io_u;
- int ret, i, min_events;
+ int ret, min_events;
+ unsigned int i;
/*
* sync io first and invalidate cache, to make sure we really
* read from disk.
*/
for_each_file(td, f, i) {
+ if (!(f->flags & FIO_FILE_OPEN))
+ continue;
if (fio_io_sync(td, f))
break;
if (file_invalidate_cache(td, f))
case FIO_Q_COMPLETED:
if (io_u->error)
ret = -io_u->error;
- else if (io_u->xfer_buflen != io_u->resid && io_u->resid) {
+ else if (io_u->resid) {
int bytes = io_u->xfer_buflen - io_u->resid;
+ /*
+ * zero read, fail
+ */
+ if (!bytes) {
+ td_verror(td, ENODATA, "full resid");
+ put_io_u(td, io_u);
+ break;
+ }
io_u->xfer_buflen = io_u->resid;
io_u->xfer_buf += bytes;
requeue_io_u(td, &io_u);
{
struct timeval s;
unsigned long usec;
- int i, ret = 0;
+ unsigned int i;
+ int ret = 0;
td_set_runstate(td, TD_RUNNING);
case FIO_Q_COMPLETED:
if (io_u->error)
ret = -io_u->error;
- else if (io_u->xfer_buflen != io_u->resid && io_u->resid) {
+ else if (io_u->resid) {
int bytes = io_u->xfer_buflen - io_u->resid;
+ /*
+ * zero read, fail
+ */
+ if (!bytes) {
+ td_verror(td, ENODATA, "full resid");
+ put_io_u(td, io_u);
+ break;
+ }
+
io_u->xfer_buflen = io_u->resid;
io_u->xfer_buf += bytes;
requeue_io_u(td, &io_u);
if (should_fsync(td) && td->end_fsync) {
td_set_runstate(td, TD_FSYNCING);
- for_each_file(td, f, i)
+
+ for_each_file(td, f, i) {
+ if (!(f->flags & FIO_FILE_OPEN))
+ continue;
fio_io_sync(td, f);
+ }
}
} else
cleanup_pending_aio(td);
static int clear_io_state(struct thread_data *td)
{
struct fio_file *f;
- int i, ret;
+ unsigned int i;
+ int ret;
td->ts.stat_io_bytes[0] = td->ts.stat_io_bytes[1] = 0;
td->this_io_bytes[0] = td->this_io_bytes[1] = 0;
td->zone_bytes = 0;
td->rate_bytes = 0;
+ td->rate_blocks = 0;
td->last_was_sync = 0;
INIT_LIST_HEAD(&td->io_log_list);
if (init_io_u(td))
- goto err;
+ goto err_sem;
if (fio_setaffinity(td) == -1) {
td_verror(td, errno, "cpu_set_affinity");
- goto err;
+ goto err_sem;
}
if (init_iolog(td))
- goto err;
+ goto err_sem;
if (td->ioprio) {
if (ioprio_set(IOPRIO_WHO_PROCESS, 0, td->ioprio) == -1) {
td_verror(td, errno, "ioprio_set");
- goto err;
+ goto err_sem;
}
}
if (nice(td->nice) == -1) {
td_verror(td, errno, "nice");
- goto err;
+ goto err_sem;
}
- if (init_random_state(td))
- goto err;
-
if (td->ioscheduler && switch_ioscheduler(td))
- goto err;
+ goto err_sem;
td_set_runstate(td, TD_INITIALIZED);
fio_sem_up(startup_sem);
cleanup_io_u(td);
td_set_runstate(td, TD_EXITED);
return (void *) (unsigned long) td->error;
+err_sem:
+ fio_sem_up(startup_sem);
+ goto err;
}
/*
return;
if (!terse_output) {
- printf("Starting %d thread%s\n", thread_number, thread_number > 1 ? "s" : "");
+ printf("Starting ");
+ if (nr_thread)
+ printf("%d thread%s", nr_thread, nr_thread > 1 ? "s" : "");
+ if (nr_process) {
+ if (nr_thread)
+ printf(" and ");
+ printf("%d process%s", nr_process, nr_process > 1 ? "es" : "");
+ }
+ printf("\n");
fflush(stdout);
}
if (pthread_create(&td->thread, NULL, thread_main, td)) {
perror("thread_create");
nr_started--;
+ break;
}
} else {
if (!fork()) {
return 1;
}
+ page_size = ps;
page_mask = ps - 1;
if (write_bw_log) {