engines/xnvme: user space vfio based backend

[fio.git] / engines / null.c

diff --git a/engines/null.c b/engines/null.c
index 8dcd1b21cf9f7365ee732f5620fcdf8bf039851b..68759c26f1096e98d062ff178e7a88458eac8f5c 100644 (file)
--- a/engines/null.c
+++ b/engines/null.c
@@ -44,9 +44,28 @@ static int null_getevents(struct null_data *nd, unsigned int min_events,
        return ret;
 }
 
+static void null_queued(struct thread_data *td, struct null_data *nd)
+{
+       struct timespec now;
+
+       if (!fio_fill_issue_time(td))
+               return;
+
+       fio_gettime(&now, NULL);
+
+       for (int i = 0; i < nd->queued; i++) {
+               struct io_u *io_u = nd->io_us[i];
+
+               memcpy(&io_u->issue_time, &now, sizeof(now));
+               io_u_queued(td, io_u);
+       }
+}
+
 static int null_commit(struct thread_data *td, struct null_data *nd)
 {
        if (!nd->events) {
+               null_queued(td, nd);
+
 #ifndef FIO_EXTERNAL_ENGINE
                io_u_mark_submit(td, nd->queued);
 #endif
@@ -94,9 +113,11 @@ static struct null_data *null_init(struct thread_data *td)
        if (td->o.iodepth != 1) {
                nd->io_us = (struct io_u **) malloc(td->o.iodepth * sizeof(struct io_u *));
                memset(nd->io_us, 0, td->o.iodepth * sizeof(struct io_u *));
+               td->io_ops->flags |= FIO_ASYNCIO_SETS_ISSUE_TIME;
        } else
                td->io_ops->flags |= FIO_SYNCIO;
 
+       td_set_ioengine_flags(td);
        return nd;
 }