gettime: offset CPU cycle counter by initial value

[fio.git] / engines / null.c

diff --git a/engines/null.c b/engines/null.c
index eb17b113ca6034812b9cd7f239a4b1144679b3e7..600093052d683bc1d3e5a44d2ecd5e590e5d4786 100644 (file)
--- a/engines/null.c
+++ b/engines/null.c
@@ -32,7 +32,7 @@ static struct io_u *fio_null_event(struct thread_data *td, int event)
 
 static int fio_null_getevents(struct thread_data *td, unsigned int min_events,
                              unsigned int fio_unused max,
-                             struct timespec fio_unused *t)
+                             const struct timespec fio_unused *t)
 {
        struct null_data *nd = (struct null_data *) td->io_ops->data;
        int ret = 0;
@@ -119,7 +119,7 @@ static struct ioengine_ops ioengine = {
        .init           = fio_null_init,
        .cleanup        = fio_null_cleanup,
        .open_file      = fio_null_open,
-       .flags          = FIO_DISKLESSIO,
+       .flags          = FIO_DISKLESSIO | FIO_FAKEIO,
 };
 
 static void fio_init fio_null_register(void)
@@ -152,7 +152,7 @@ void get_ioengine(struct ioengine_ops **ioengine_ptr)
        ioengine->init           = fio_null_init;
        ioengine->cleanup        = fio_null_cleanup;
        ioengine->open_file      = fio_null_open;
-       ioengine->flags          = FIO_DISKLESSIO;
+       ioengine->flags          = FIO_DISKLESSIO | FIO_FAKEIO;
 }
 }
 #endif /* FIO_EXTERNAL_ENGINE */