diff --git "a/tasks/io_task_randread_4kb_1\321\201.cfg" "b/tasks/io_task_randread_4kb_1\321\201.cfg"
new file mode 100644
index 0000000..a1d3745
--- /dev/null
+++ "b/tasks/io_task_randread_4kb_1\321\201.cfg"
@@ -0,0 +1,12 @@
+[writetest]
+blocksize=4k
+filename=file.bin
+rw=randread
+direct=1
+buffered=0
+ioengine=libaio
+iodepth=1
+size=10Gb
+runtime=5
+timeout=5
+numjobs=1
diff --git "a/tasks/io_task_randread_4kb_4\321\201.cfg" "b/tasks/io_task_randread_4kb_4\321\201.cfg"
new file mode 100644
index 0000000..f983d16
--- /dev/null
+++ "b/tasks/io_task_randread_4kb_4\321\201.cfg"
@@ -0,0 +1,12 @@
+[writetest]
+blocksize=4k
+filename=file.bin
+rw=randread
+direct=1
+buffered=0
+ioengine=libaio
+iodepth=1
+size=10Gb
+runtime=5
+timeout=5
+numjobs=4
diff --git "a/tasks/io_task_randread_4kb_8\321\201.cfg" "b/tasks/io_task_randread_4kb_8\321\201.cfg"
new file mode 100644
index 0000000..a1d3745
--- /dev/null
+++ "b/tasks/io_task_randread_4kb_8\321\201.cfg"
@@ -0,0 +1,12 @@
+[writetest]
+blocksize=4k
+filename=file.bin
+rw=randread
+direct=1
+buffered=0
+ioengine=libaio
+iodepth=1
+size=10Gb
+runtime=5
+timeout=5
+numjobs=1
diff --git "a/tasks/io_task_randwrite_4kb_1\321\201.cfg" "b/tasks/io_task_randwrite_4kb_1\321\201.cfg"
new file mode 100644
index 0000000..771ec90
--- /dev/null
+++ "b/tasks/io_task_randwrite_4kb_1\321\201.cfg"
@@ -0,0 +1,12 @@
+[writetest]
+blocksize=4k
+filename=file.bin
+rw=randwrite
+direct=1
+buffered=0
+ioengine=libaio
+iodepth=1
+size=1Gb
+runtime=5
+timeout=5
+numjobs=1
diff --git "a/tasks/io_task_randwrite_4kb_4\321\201.cfg" "b/tasks/io_task_randwrite_4kb_4\321\201.cfg"
new file mode 100644
index 0000000..4779954
--- /dev/null
+++ "b/tasks/io_task_randwrite_4kb_4\321\201.cfg"
@@ -0,0 +1,12 @@
+[writetest]
+blocksize=4k
+filename=file.bin
+rw=randwrite
+direct=1
+buffered=0
+ioengine=libaio
+iodepth=1
+size=10Gb
+runtime=5
+timeout=5
+numjobs=4
diff --git "a/tasks/io_task_randwrite_4kb_8\321\201.cfg" "b/tasks/io_task_randwrite_4kb_8\321\201.cfg"
new file mode 100644
index 0000000..c019ef4
--- /dev/null
+++ "b/tasks/io_task_randwrite_4kb_8\321\201.cfg"
@@ -0,0 +1,12 @@
+[writetest]
+blocksize=4k
+filename=file.bin
+rw=randwrite
+direct=1
+buffered=0
+ioengine=libaio
+iodepth=1
+size=10Gb
+runtime=5
+timeout=5
+numjobs=8
diff --git a/tasks/io_task_read_2mb.cfg b/tasks/io_task_read_2mb.cfg
new file mode 100644
index 0000000..9a5d2d8
--- /dev/null
+++ b/tasks/io_task_read_2mb.cfg
@@ -0,0 +1,13 @@
+[writetest]
+blocksize=2m
+filename=file.bin
+rw=read
+direct=1
+buffered=0
+ioengine=libaio
+iodepth=1
+size=10Gb
+runtime=5
+timeout=5
+numjobs=1
+
diff --git a/tasks/io_task_write_2mb.cfg b/tasks/io_task_write_2mb.cfg
new file mode 100644
index 0000000..40c9bef
--- /dev/null
+++ b/tasks/io_task_write_2mb.cfg
@@ -0,0 +1,13 @@
+[writetest]
+blocksize=2m
+filename=file.bin
+rw=write
+direct=1
+buffered=0
+ioengine=libaio
+iodepth=1
+size=10Gb
+runtime=5
+timeout=5
+numjobs=1
+