diff --git a/tests/io_task_test.cfg b/tests/io_task_test.cfg
index 4d78578..24d62a9 100644
--- a/tests/io_task_test.cfg
+++ b/tests/io_task_test.cfg
@@ -1,14 +1,29 @@
-[writetest * 3]
+[writetest * 7]
 group_reporting
 numjobs=4
 wait_for_previous
-ramp_time=5
+ramp_time=15
 blocksize=4k
-filename=/tmp/xxx.bin
+filename={FILENAME}
 rw=randwrite
 direct=1
 buffered=0
 iodepth=1
-size=100Mb
-runtime=10
+size=1000Mb
+runtime=30
+time_based
+
+[readtest * 7]
+group_reporting
+numjobs=4
+wait_for_previous
+ramp_time=15
+blocksize=4k
+filename={FILENAME}
+rw=randread
+direct=1
+buffered=0
+iodepth=1
+size=1000Mb
+runtime=30
 time_based