large commit. refactoring, fio code totally reworker, huge improvenent in test time and results, etc
diff --git a/tests/fio_configs/2.cfg b/tests/fio_configs/2.cfg
new file mode 100644
index 0000000..050e477
--- /dev/null
+++ b/tests/fio_configs/2.cfg
@@ -0,0 +1,13 @@
+[writetest_10_20 * 3]
+ramp_time=5
+numjobs=1
+blocksize=4k
+filename={FILENAME}
+rw=randwrite
+direct=1
+buffered=0
+iodepth=1
+size=1Gb
+runtime=5
+time_based
+wait_for_previous