#include "fio.h"
#include "hash.h"
+#include "verify.h"
struct io_completion_data {
int nr; /* input */
return DDIR_WRITE;
}
+static enum fio_ddir rate_ddir(struct thread_data *td, enum fio_ddir ddir)
+{
+ enum fio_ddir odir = ddir ^ 1;
+ struct timeval t;
+ long usec;
+
+ if (td->rate_pending_usleep[ddir] <= 0)
+ return ddir;
+
+ /*
+ * We have too much pending sleep in this direction. See if we
+ * should switch.
+ */
+ if (td_rw(td)) {
+ /*
+ * Other direction does not have too much pending, switch
+ */
+ if (td->rate_pending_usleep[odir] < 100000)
+ return odir;
+
+ /*
+ * Both directions have pending sleep. Sleep the minimum time
+ * and deduct from both.
+ */
+ if (td->rate_pending_usleep[ddir] <=
+ td->rate_pending_usleep[odir]) {
+ usec = td->rate_pending_usleep[ddir];
+ } else {
+ usec = td->rate_pending_usleep[odir];
+ ddir = odir;
+ }
+ } else
+ usec = td->rate_pending_usleep[ddir];
+
+ fio_gettime(&t, NULL);
+ usec_sleep(td, usec);
+ usec = utime_since_now(&t);
+
+ td->rate_pending_usleep[ddir] -= usec;
+
+ odir = ddir ^ 1;
+ if (td_rw(td) && __should_check_rate(td, odir))
+ td->rate_pending_usleep[odir] -= usec;
+
+ return ddir;
+}
+
/*
* Return the data direction for the next io_u. If the job is a
* mixed read/write workload, check the rwmix cycle and switch if
*/
static enum fio_ddir get_rw_ddir(struct thread_data *td)
{
+ enum fio_ddir ddir;
+
if (td_rw(td)) {
/*
* Check if it's time to seed a new data direction.
*/
if (td->io_issues[td->rwmix_ddir] >= td->rwmix_issues) {
- unsigned long long max_bytes;
- enum fio_ddir ddir;
-
/*
* Put a top limit on how many bytes we do for
* one data direction, to avoid overflowing the
* ranges too much
*/
ddir = get_rand_ddir(td);
- max_bytes = td->this_io_bytes[ddir];
- if (max_bytes >=
- (td->o.size * td->o.rwmix[ddir] / 100)) {
- if (!td->rw_end_set[ddir]) {
- td->rw_end_set[ddir] = 1;
- fio_gettime(&td->rw_end[ddir], NULL);
- }
-
- ddir ^= 1;
- }
if (ddir != td->rwmix_ddir)
set_rwmix_bytes(td);
td->rwmix_ddir = ddir;
}
- return td->rwmix_ddir;
+ ddir = td->rwmix_ddir;
} else if (td_read(td))
- return DDIR_READ;
+ ddir = DDIR_READ;
else
- return DDIR_WRITE;
+ ddir = DDIR_WRITE;
+
+ td->rwmix_ddir = rate_ddir(td, ddir);
+ return td->rwmix_ddir;
}
static void put_file_log(struct thread_data *td, struct fio_file *f)
td->cur_depth--;
}
+void clear_io_u(struct thread_data *td, struct io_u *io_u)
+{
+ io_u->flags &= ~IO_U_F_FLIGHT;
+ put_io_u(td, io_u);
+}
+
void requeue_io_u(struct thread_data *td, struct io_u **io_u)
{
struct io_u *__io_u = *io_u;
/*
* Get next file to service by choosing one at random
*/
-static struct fio_file *get_next_file_rand(struct thread_data *td, int goodf,
- int badf)
+static struct fio_file *get_next_file_rand(struct thread_data *td,
+ enum fio_file_flags goodf,
+ enum fio_file_flags badf)
{
struct fio_file *f;
int fno;
fno = (unsigned int) ((double) td->o.nr_files
* (r / (OS_RAND_MAX + 1.0)));
f = td->files[fno];
- if (f->flags & FIO_FILE_DONE)
+ if (fio_file_done(f))
continue;
- if (!(f->flags & FIO_FILE_OPEN)) {
+ if (!fio_file_open(f)) {
int err;
err = td_io_open_file(td, f);
td->next_file = 0;
dprint(FD_FILE, "trying file %s %x\n", f->file_name, f->flags);
- if (f->flags & FIO_FILE_DONE) {
+ if (fio_file_done(f)) {
f = NULL;
continue;
}
- if (!(f->flags & FIO_FILE_OPEN)) {
+ if (!fio_file_open(f)) {
int err;
err = td_io_open_file(td, f);
}
f = td->file_service_file;
- if (f && (f->flags & FIO_FILE_OPEN) && !(f->flags & FIO_FILE_CLOSING)) {
+ if (f && fio_file_open(f) && !fio_file_closing(f)) {
if (td->o.file_service_type == FIO_FSERVICE_SEQ)
goto out;
if (td->file_service_left--)
if (td->o.file_service_type == FIO_FSERVICE_RR ||
td->o.file_service_type == FIO_FSERVICE_SEQ)
- f = get_next_file_rr(td, FIO_FILE_OPEN, FIO_FILE_CLOSING);
+ f = get_next_file_rr(td, FIO_FILE_open, FIO_FILE_closing);
else
- f = get_next_file_rand(td, FIO_FILE_OPEN, FIO_FILE_CLOSING);
+ f = get_next_file_rand(td, FIO_FILE_open, FIO_FILE_closing);
td->file_service_file = f;
td->file_service_left = td->file_service_nr - 1;
put_file_log(td, f);
td_io_close_file(td, f);
io_u->file = NULL;
- f->flags |= FIO_FILE_DONE;
+ fio_file_set_done(f);
td->nr_done_files++;
dprint(FD_FILE, "%s: is done (%d of %d)\n", f->file_name, td->nr_done_files, td->o.nr_files);
} while (1);
}
f = io_u->file;
- assert(f->flags & FIO_FILE_OPEN);
+ assert(fio_file_open(f));
if (io_u->ddir != DDIR_SYNC) {
if (!io_u->buflen && !(td->io_ops->flags & FIO_NOIO)) {
td->this_io_bytes[idx] += bytes;
if (ramp_time_over(td)) {
+ unsigned long uninitialized_var(lusec);
+ unsigned long uninitialized_var(rusec);
+
if (!td->o.disable_clat || !td->o.disable_bw)
- usec = utime_since(&io_u->issue_time,
+ lusec = utime_since(&io_u->issue_time,
+ &icd->time);
+ if (__should_check_rate(td, idx) ||
+ __should_check_rate(td, idx ^ 1))
+ rusec = utime_since(&io_u->start_time,
&icd->time);
if (!td->o.disable_clat) {
add_clat_sample(td, idx, usec, bytes);
- io_u_mark_latency(td, usec);
+ io_u_mark_latency(td, lusec);
}
if (!td->o.disable_bw)
add_bw_sample(td, idx, bytes, &icd->time);
+ if (__should_check_rate(td, idx)) {
+ td->rate_pending_usleep[idx] +=
+ (long) td->rate_usec_cycle[idx] - rusec;
+ }
+ if (__should_check_rate(td, idx ^ 1))
+ td->rate_pending_usleep[idx ^ 1] -= rusec;
}
if (td_write(td) && idx == DDIR_WRITE &&
icd->error = io_u->error;
io_u_log_error(td, io_u);
}
+ if (td->o.continue_on_error && icd->error &&
+ td_non_fatal_error(icd->error)) {
+ /*
+ * If there is a non_fatal error, then add to the error count
+ * and clear all the errors.
+ */
+ update_error_count(td, icd->error);
+ td_clear_error(td);
+ icd->error = 0;
+ io_u->error = 0;
+ }
}
static void init_icd(struct thread_data *td, struct io_completion_data *icd,
/*
* Complete a single io_u for the sync engines.
*/
-long io_u_sync_complete(struct thread_data *td, struct io_u *io_u)
+int io_u_sync_complete(struct thread_data *td, struct io_u *io_u,
+ unsigned long *bytes)
{
struct io_completion_data icd;
io_completed(td, io_u, &icd);
put_io_u(td, io_u);
- if (!icd.error)
- return icd.bytes_done[0] + icd.bytes_done[1];
+ if (icd.error) {
+ td_verror(td, icd.error, "io_u_sync_complete");
+ return -1;
+ }
+
+ if (bytes) {
+ bytes[0] += icd.bytes_done[0];
+ bytes[1] += icd.bytes_done[1];
+ }
- td_verror(td, icd.error, "io_u_sync_complete");
- return -1;
+ return 0;
}
/*
* Called to complete min_events number of io for the async engines.
*/
-long io_u_queued_complete(struct thread_data *td, int min_evts)
+int io_u_queued_complete(struct thread_data *td, int min_evts,
+ unsigned long *bytes)
{
struct io_completion_data icd;
struct timespec *tvp = NULL;
init_icd(td, &icd, ret);
ios_completed(td, &icd);
- if (!icd.error)
- return icd.bytes_done[0] + icd.bytes_done[1];
+ if (icd.error) {
+ td_verror(td, icd.error, "io_u_queued_complete");
+ return -1;
+ }
- td_verror(td, icd.error, "io_u_queued_complete");
- return -1;
+ if (bytes) {
+ bytes[0] += icd.bytes_done[0];
+ bytes[1] += icd.bytes_done[1];
+ }
+
+ return 0;
}
/*
unsigned long slat_time;
slat_time = utime_since(&io_u->start_time, &io_u->issue_time);
- add_slat_sample(td, io_u->ddir, io_u->xfer_buflen, slat_time);
+ add_slat_sample(td, io_u->ddir, slat_time, io_u->xfer_buflen);
}
}
projects / fio.git / blobdiff