#include "lib/getrusage.h"
#include "idletime.h"
#include "err.h"
-#include "lib/tp.h"
#include "workqueue.h"
#include "lib/mountcheck.h"
+#include "rate-submit.h"
static pthread_t helper_thread;
static pthread_mutex_t helper_lock;
put_io_u(td, io_u);
return true;
} else if (ret == FIO_Q_QUEUED) {
+ if (td_io_commit(td))
+ return true;
if (io_u_queued_complete(td, 1) < 0)
return true;
} else if (ret == FIO_Q_COMPLETED) {
if (*ret < 0)
break;
}
+
+ /*
+ * when doing I/O (not when verifying),
+ * check for any errors that are to be ignored
+ */
+ if (!from_verify)
+ break;
+
return 0;
case FIO_Q_QUEUED:
/*
*
* Returns number of bytes written and trimmed.
*/
-static uint64_t do_io(struct thread_data *td)
+static void do_io(struct thread_data *td, uint64_t *bytes_done)
{
unsigned int i;
int ret = 0;
uint64_t total_bytes, bytes_issued = 0;
+ for (i = 0; i < DDIR_RWDIR_CNT; i++)
+ bytes_done[i] = td->bytes_done[i];
+
if (in_ramp_time(td))
td_set_runstate(td, TD_RAMP);
else
if (flow_threshold_exceeded(td))
continue;
- if (!td->o.time_based && bytes_issued >= total_bytes)
+ /*
+ * Break if we exceeded the bytes. The exception is time
+ * based runs, but we still need to break out of the loop
+ * for those to run verification, if enabled.
+ */
+ if (bytes_issued >= total_bytes &&
+ (!td->o.time_based ||
+ (td->o.time_based && td->o.verify != VERIFY_NONE)))
break;
io_u = get_io_u(td);
log_io_piece(td, io_u);
if (td->o.io_submit_mode == IO_MODE_OFFLOAD) {
+ const unsigned long blen = io_u->xfer_buflen;
+ const enum fio_ddir ddir = acct_ddir(io_u);
+
if (td->error)
break;
- ret = workqueue_enqueue(&td->io_wq, io_u);
+
+ workqueue_enqueue(&td->io_wq, &io_u->work);
+ ret = FIO_Q_QUEUED;
+
+ if (ddir_rw(ddir)) {
+ td->io_issues[ddir]++;
+ td->io_issue_bytes[ddir] += blen;
+ td->rate_io_issue_bytes[ddir] += blen;
+ }
if (should_check_rate(td))
td->rate_next_io_time[ddir] = usec_for_io(td, ddir);
if (!in_ramp_time(td) && should_check_rate(td)) {
if (check_min_rate(td, &comp_time)) {
- if (exitall_on_terminate)
+ if (exitall_on_terminate || td->o.exitall_error)
fio_terminate_threads(td->groupid);
td_verror(td, EIO, "check_min_rate");
break;
if (!ddir_rw_sum(td->this_io_bytes))
td->done = 1;
- return td->bytes_done[DDIR_WRITE] + td->bytes_done[DDIR_TRIM];
+ for (i = 0; i < DDIR_RWDIR_CNT; i++)
+ bytes_done[i] = td->bytes_done[i] - bytes_done[i];
}
static void cleanup_io_u(struct thread_data *td)
if (diff < td_max_bs(td))
return false;
- if (fio_files_done(td))
+ if (fio_files_done(td) && !td->o.io_limit)
return false;
return true;
return td->bytes_done[DDIR_WRITE] + td->bytes_done[DDIR_TRIM];
}
-static void io_workqueue_fn(struct thread_data *td, struct io_u *io_u)
-{
- const enum fio_ddir ddir = io_u->ddir;
- int ret;
-
- dprint(FD_RATE, "io_u %p queued by %u\n", io_u, gettid());
-
- io_u_set(io_u, IO_U_F_NO_FILE_PUT);
-
- td->cur_depth++;
-
- do {
- ret = td_io_queue(td, io_u);
- if (ret != FIO_Q_BUSY)
- break;
- ret = io_u_queued_complete(td, 1);
- if (ret > 0)
- td->cur_depth -= ret;
- io_u_clear(io_u, IO_U_F_FLIGHT);
- } while (1);
-
- dprint(FD_RATE, "io_u %p ret %d by %u\n", io_u, ret, gettid());
-
- io_queue_event(td, io_u, &ret, ddir, NULL, 0, NULL);
-
- if (ret == FIO_Q_COMPLETED)
- td->cur_depth--;
- else if (ret == FIO_Q_QUEUED) {
- unsigned int min_evts;
-
- if (td->o.iodepth == 1)
- min_evts = 1;
- else
- min_evts = 0;
-
- ret = io_u_queued_complete(td, min_evts);
- if (ret > 0)
- td->cur_depth -= ret;
- } else if (ret == FIO_Q_BUSY) {
- ret = io_u_queued_complete(td, td->cur_depth);
- if (ret > 0)
- td->cur_depth -= ret;
- }
-}
+struct fork_data {
+ struct thread_data *td;
+ struct sk_out *sk_out;
+};
/*
* Entry point for the thread based jobs. The process based jobs end up
*/
static void *thread_main(void *data)
{
+ struct fork_data *fd = data;
unsigned long long elapsed_us[DDIR_RWDIR_CNT] = { 0, };
- struct thread_data *td = data;
+ struct thread_data *td = fd->td;
struct thread_options *o = &td->o;
+ struct sk_out *sk_out = fd->sk_out;
pthread_condattr_t attr;
int clear_state;
int ret;
+ sk_out_assign(sk_out);
+ free(fd);
+
if (!o->use_thread) {
setsid();
td->pid = getpid();
goto err;
}
- if (td->flags & TD_F_COMPRESS_LOG)
- tp_init(&td->tp_data);
+ if (iolog_compress_init(td, sk_out))
+ goto err;
fio_verify_init(td);
- if ((o->io_submit_mode == IO_MODE_OFFLOAD) &&
- workqueue_init(td, &td->io_wq, io_workqueue_fn, td->o.iodepth))
+ if (rate_submit_init(td, sk_out))
goto err;
fio_gettime(&td->epoch, NULL);
if (td->o.verify_only && (td_write(td) || td_rw(td)))
verify_bytes = do_dry_run(td);
- else
- verify_bytes = do_io(td);
+ else {
+ uint64_t bytes_done[DDIR_RWDIR_CNT];
+
+ do_io(td, bytes_done);
+
+ if (!ddir_rw_sum(bytes_done)) {
+ fio_mark_td_terminate(td);
+ verify_bytes = 0;
+ } else {
+ verify_bytes = bytes_done[DDIR_WRITE] +
+ bytes_done[DDIR_TRIM];
+ }
+ }
clear_state = 1;
fio_writeout_logs(td);
- if (o->io_submit_mode == IO_MODE_OFFLOAD)
- workqueue_exit(&td->io_wq);
-
- if (td->flags & TD_F_COMPRESS_LOG)
- tp_exit(&td->tp_data);
+ iolog_compress_exit(td);
+ rate_submit_exit(td);
if (o->exec_postrun)
exec_string(o, o->exec_postrun, (const char *)"postrun");
- if (exitall_on_terminate)
+ if (exitall_on_terminate || (o->exitall_error && td->error))
fio_terminate_threads(td->groupid);
err:
cgroup_shutdown(td, &cgroup_mnt);
verify_free_state(td);
+ if (td->zone_state_index) {
+ int i;
+
+ for (i = 0; i < DDIR_RWDIR_CNT; i++)
+ free(td->zone_state_index[i]);
+ free(td->zone_state_index);
+ td->zone_state_index = NULL;
+ }
+
if (fio_option_is_set(o, cpumask)) {
ret = fio_cpuset_exit(&o->cpumask);
if (ret)
*/
check_update_rusage(td);
+ sk_out_drop();
return (void *) (uintptr_t) td->error;
}
* We cannot pass the td data into a forked process, so attach the td and
* pass it to the thread worker.
*/
-static int fork_main(int shmid, int offset)
+static int fork_main(struct sk_out *sk_out, int shmid, int offset)
{
- struct thread_data *td;
+ struct fork_data *fd;
void *data, *ret;
#if !defined(__hpux) && !defined(CONFIG_NO_SHM)
data = threads;
#endif
- td = data + offset * sizeof(struct thread_data);
- ret = thread_main(td);
+ fd = calloc(1, sizeof(*fd));
+ fd->td = data + offset * sizeof(struct thread_data);
+ fd->sk_out = sk_out;
+ ret = thread_main(fd);
shmdt(data);
return (int) (uintptr_t) ret;
}
return true;
}
+static bool waitee_running(struct thread_data *me)
+{
+ const char *waitee = me->o.wait_for;
+ const char *self = me->o.name;
+ struct thread_data *td;
+ int i;
+
+ if (!waitee)
+ return false;
+
+ for_each_td(td, i) {
+ if (!strcmp(td->o.name, self) || strcmp(td->o.name, waitee))
+ continue;
+
+ if (td->runstate < TD_EXITED) {
+ dprint(FD_PROCESS, "%s fenced by %s(%s)\n",
+ self, td->o.name,
+ runstate_to_name(td->runstate));
+ return true;
+ }
+ }
+
+ dprint(FD_PROCESS, "%s: %s completed, can run\n", self, waitee);
+ return false;
+}
+
/*
* Main function for kicking off and reaping jobs, as needed.
*/
-static void run_threads(void)
+static void run_threads(struct sk_out *sk_out)
{
struct thread_data *td;
unsigned int i, todo, nr_running, m_rate, t_rate, nr_started;
break;
}
+ if (waitee_running(td)) {
+ dprint(FD_PROCESS, "%s: waiting for %s\n",
+ td->o.name, td->o.wait_for);
+ continue;
+ }
+
init_disk_util(td);
td->rusage_sem = fio_mutex_init(FIO_MUTEX_LOCKED);
nr_started++;
if (td->o.use_thread) {
+ struct fork_data *fd;
int ret;
+ fd = calloc(1, sizeof(*fd));
+ fd->td = td;
+ fd->sk_out = sk_out;
+
dprint(FD_PROCESS, "will pthread_create\n");
ret = pthread_create(&td->thread, NULL,
- thread_main, td);
+ thread_main, fd);
if (ret) {
log_err("pthread_create: %s\n",
strerror(ret));
+ free(fd);
nr_started--;
break;
}
dprint(FD_PROCESS, "will fork\n");
pid = fork();
if (!pid) {
- int ret = fork_main(shm_id, i);
+ int ret = fork_main(sk_out, shm_id, i);
_exit(ret);
} else if (i == fio_debug_jobno)
*fio_debug_jobp = pid;
}
dprint(FD_MUTEX, "wait on startup_mutex\n");
- if (fio_mutex_down_timeout(startup_mutex, 10)) {
+ if (fio_mutex_down_timeout(startup_mutex, 10000)) {
log_err("fio: job startup hung? exiting.\n");
fio_terminate_threads(TERMINATE_ALL);
fio_abort = 1;
static void *helper_thread_main(void *data)
{
+ struct sk_out *sk_out = data;
int ret = 0;
+ sk_out_assign(sk_out);
+
fio_mutex_up(startup_mutex);
while (!ret) {
print_thread_status();
}
+ sk_out_drop();
return NULL;
}
-static int create_helper_thread(void)
+static int create_helper_thread(struct sk_out *sk_out)
{
int ret;
pthread_cond_init(&helper_cond, NULL);
pthread_mutex_init(&helper_lock, NULL);
- ret = pthread_create(&helper_thread, NULL, helper_thread_main, NULL);
+ ret = pthread_create(&helper_thread, NULL, helper_thread_main, sk_out);
if (ret) {
log_err("Can't create helper thread: %s\n", strerror(ret));
return 1;
return 0;
}
-int fio_backend(void)
+int fio_backend(struct sk_out *sk_out)
{
struct thread_data *td;
int i;
set_genesis_time();
stat_init();
- create_helper_thread();
+ create_helper_thread(sk_out);
cgroup_list = smalloc(sizeof(*cgroup_list));
INIT_FLIST_HEAD(cgroup_list);
- run_threads();
+ run_threads(sk_out);
wait_for_helper_thread_exit();