--- /dev/null
+#include "fio.h"
+#include "ioengine.h"
+#include "lib/getrusage.h"
+
+static void io_workqueue_fn(struct submit_worker *sw,
+ struct workqueue_work *work)
+{
+ struct io_u *io_u = container_of(work, struct io_u, work);
+ const enum fio_ddir ddir = io_u->ddir;
+ struct thread_data *td = sw->private;
+ 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;
+ }
+}
+
+static bool io_workqueue_pre_sleep_flush_fn(struct submit_worker *sw)
+{
+ struct thread_data *td = sw->private;
+
+ if (td->io_u_queued || td->cur_depth || td->io_u_in_flight)
+ return true;
+
+ return false;
+}
+
+static void io_workqueue_pre_sleep_fn(struct submit_worker *sw)
+{
+ struct thread_data *td = sw->private;
+ int ret;
+
+ ret = io_u_quiesce(td);
+ if (ret > 0)
+ td->cur_depth -= ret;
+}
+
+static int io_workqueue_alloc_fn(struct submit_worker *sw)
+{
+ struct thread_data *td;
+
+ td = calloc(1, sizeof(*td));
+ sw->private = td;
+ return 0;
+}
+
+static void io_workqueue_free_fn(struct submit_worker *sw)
+{
+ free(sw->private);
+ sw->private = NULL;
+}
+
+static int io_workqueue_init_worker_fn(struct submit_worker *sw)
+{
+ struct thread_data *parent = sw->wq->td;
+ struct thread_data *td = sw->private;
+ int fio_unused ret;
+
+ memcpy(&td->o, &parent->o, sizeof(td->o));
+ memcpy(&td->ts, &parent->ts, sizeof(td->ts));
+ td->o.uid = td->o.gid = -1U;
+ dup_files(td, parent);
+ td->eo = parent->eo;
+ fio_options_mem_dupe(td);
+
+ if (ioengine_load(td))
+ goto err;
+
+ if (td->o.odirect)
+ td->io_ops->flags |= FIO_RAWIO;
+
+ td->pid = gettid();
+
+ INIT_FLIST_HEAD(&td->io_log_list);
+ INIT_FLIST_HEAD(&td->io_hist_list);
+ INIT_FLIST_HEAD(&td->verify_list);
+ INIT_FLIST_HEAD(&td->trim_list);
+ INIT_FLIST_HEAD(&td->next_rand_list);
+ td->io_hist_tree = RB_ROOT;
+
+ td->o.iodepth = 1;
+ if (td_io_init(td))
+ goto err_io_init;
+
+ fio_gettime(&td->epoch, NULL);
+ fio_getrusage(&td->ru_start);
+ clear_io_state(td, 1);
+
+ td_set_runstate(td, TD_RUNNING);
+ td->flags |= TD_F_CHILD;
+ td->parent = parent;
+ return 0;
+
+err_io_init:
+ close_ioengine(td);
+err:
+ return 1;
+
+}
+
+static void io_workqueue_exit_worker_fn(struct submit_worker *sw,
+ unsigned int *sum_cnt)
+{
+ struct thread_data *td = sw->private;
+
+ (*sum_cnt)++;
+ sum_thread_stats(&sw->wq->td->ts, &td->ts, *sum_cnt == 1);
+
+ fio_options_free(td);
+ close_and_free_files(td);
+ if (td->io_ops)
+ close_ioengine(td);
+ td_set_runstate(td, TD_EXITED);
+}
+
+#ifdef CONFIG_SFAA
+static void sum_val(uint64_t *dst, uint64_t *src)
+{
+ if (*src) {
+ __sync_fetch_and_add(dst, *src);
+ *src = 0;
+ }
+}
+#else
+static void sum_val(uint64_t *dst, uint64_t *src)
+{
+ if (*src) {
+ *dst += *src;
+ *src = 0;
+ }
+}
+#endif
+
+static void pthread_double_unlock(pthread_mutex_t *lock1,
+ pthread_mutex_t *lock2)
+{
+#ifndef CONFIG_SFAA
+ pthread_mutex_unlock(lock1);
+ pthread_mutex_unlock(lock2);
+#endif
+}
+
+static void pthread_double_lock(pthread_mutex_t *lock1, pthread_mutex_t *lock2)
+{
+#ifndef CONFIG_SFAA
+ if (lock1 < lock2) {
+ pthread_mutex_lock(lock1);
+ pthread_mutex_lock(lock2);
+ } else {
+ pthread_mutex_lock(lock2);
+ pthread_mutex_lock(lock1);
+ }
+#endif
+}
+
+static void sum_ddir(struct thread_data *dst, struct thread_data *src,
+ enum fio_ddir ddir)
+{
+ pthread_double_lock(&dst->io_wq.stat_lock, &src->io_wq.stat_lock);
+
+ sum_val(&dst->io_bytes[ddir], &src->io_bytes[ddir]);
+ sum_val(&dst->io_blocks[ddir], &src->io_blocks[ddir]);
+ sum_val(&dst->this_io_blocks[ddir], &src->this_io_blocks[ddir]);
+ sum_val(&dst->this_io_bytes[ddir], &src->this_io_bytes[ddir]);
+ sum_val(&dst->bytes_done[ddir], &src->bytes_done[ddir]);
+
+ pthread_double_unlock(&dst->io_wq.stat_lock, &src->io_wq.stat_lock);
+}
+
+static void io_workqueue_update_acct_fn(struct submit_worker *sw)
+{
+ struct thread_data *src = sw->private;
+ struct thread_data *dst = sw->wq->td;
+
+ if (td_read(src))
+ sum_ddir(dst, src, DDIR_READ);
+ if (td_write(src))
+ sum_ddir(dst, src, DDIR_WRITE);
+ if (td_trim(src))
+ sum_ddir(dst, src, DDIR_TRIM);
+
+}
+
+struct workqueue_ops rated_wq_ops = {
+ .fn = io_workqueue_fn,
+ .pre_sleep_flush_fn = io_workqueue_pre_sleep_flush_fn,
+ .pre_sleep_fn = io_workqueue_pre_sleep_fn,
+ .update_acct_fn = io_workqueue_update_acct_fn,
+ .alloc_worker_fn = io_workqueue_alloc_fn,
+ .free_worker_fn = io_workqueue_free_fn,
+ .init_worker_fn = io_workqueue_init_worker_fn,
+ .exit_worker_fn = io_workqueue_exit_worker_fn,
+};
projects / fio.git / blobdiff