diff --git a/TODO b/TODO
index 7c51227..4bf20cc 100644
--- a/TODO
+++ b/TODO
@@ -8,6 +8,7 @@
 Make python module
 putget/ssbench tests (костя)
 тестирование (костя)
+отдельный тенант на все
 
 
 Intellectual granular sensors
diff --git a/configs/usb_hdd.yaml b/configs/usb_hdd.yaml
index 224c6f6..c0d1086 100644
--- a/configs/usb_hdd.yaml
+++ b/configs/usb_hdd.yaml
@@ -1,6 +1,5 @@
 explicit_nodes:
-    "ssh://koder@192.168.0.108::/home/koder/.ssh/id_rsa": testnode
-    # local: testnode
+    local: testnode
 
 internal:
     var_dir_root: /tmp/perf_tests
@@ -13,10 +12,12 @@
         testnode: system-cpu, block-io
 
 tests:
-        - io:
-            cfg: wally/suits/io/io_scenario_hdd.cfg
-            params:
-                FILENAME: /media/koder/a5230078-4c27-4c3b-99aa-26148e78b2e7/xxx.bin
-                NUM_ROUNDS: 7
+    - io:
+        cfg: wally/suits/io/io_scenario_hdd.cfg
+        prefill_files: false
+        params:
+            FILENAME: /media/koder/a5230078-4c27-4c3b-99aa-26148e78b2e7/xxx.bin
+            NUM_ROUNDS: 3
+
 logging:
     extra_logs: 1
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
index 825a5bc..6c0f07e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,4 @@
+oktest
 priest
 GChartWrapper==0.8
 decorator==3.4.0
diff --git a/tests/__init__.py b/tests/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/tests/__init__.py
diff --git a/tests/test_agent.py b/tests/test_agent.py
new file mode 100644
index 0000000..f9fa389
--- /dev/null
+++ b/tests/test_agent.py
@@ -0,0 +1,424 @@
+import os.path
+import unittest
+
+
+from oktest import ok, main, test
+
+
+from wally.suits.io import agent
+
+code_test_defaults = """
+[defaults]
+wait_for_previous
+buffered=0
+iodepth=2
+RUNTIME=20
+
+[sec1]
+group_reporting
+time_based
+softrandommap=1
+filename=/tmp/xxx
+size=5G
+ramp_time=20
+runtime={RUNTIME}
+blocksize=1m
+rw=read
+direct=1
+numjobs=1
+some_extra=1.2314
+
+[sec2]
+group_reporting
+time_based
+iodepth=1
+softrandommap=1
+filename=/tmp/xxx
+size=5G
+ramp_time=20
+runtime={RUNTIME}
+blocksize=1m
+rw=read
+direct=1
+numjobs=1
+some_extra=1.2314
+"""
+
+defaults = """
+[defaults]
+wait_for_previous
+group_reporting
+time_based
+buffered=0
+iodepth=1
+softrandommap=1
+filename=/tmp/xxx
+size=5G
+ramp_time=20
+runtime=20
+blocksize=1m
+rw=read
+direct=1
+numjobs=1
+"""
+
+code_test_auto_params_1 = defaults + """
+[defaults]
+RUNTIME=30
+
+[sec1_{TEST_SUMM}]
+ramp_time={% 20, 40 %}
+runtime={RUNTIME}
+blocksize={% 4k, 4m %}
+"""
+
+
+code_test_uniq = defaults + """
+[defaults]
+REPCOUNT=2
+RUNTIME=30
+
+[sec1_{TEST_SUMM}_{UNIQ} * 3]
+
+[sec2_{TEST_SUMM}_{UNIQ} * {REPCOUNT}]
+"""
+
+code_test_cycles_default = defaults + """
+[defaults]
+REPCOUNT=2
+RUNTIME={% 30, 60 %}
+
+[sec1_{TEST_SUMM}_{UNIQ} * 3]
+runtime={RUNTIME}
+blocksize={% 4k, 4m %}
+"""
+
+
+P = agent.parse_all_in_1
+
+
+class AgentTest(unittest.TestCase):
+    @test("test_parse_value")
+    def test_parse_value(self):
+        x = "asdfasd adsd d"
+        ok(agent.parse_value(x)) == x
+        ok(agent.parse_value("10 2")) == "10 2"
+        ok(agent.parse_value(None)).is_(None)
+        ok(agent.parse_value("10")) == 10
+        ok(agent.parse_value("20")) == 20
+        ok(agent.parse_value("10.1") - 10.1) < 1E-7
+        ok(agent.parse_value("{% 10, 20 %}")) == [10, 20]
+        ok(agent.parse_value("{% 10,20 %}")) == [10, 20]
+
+    code_test_compile_simplest = defaults + """
+[sec1]
+some_extra=1.2314
+"""
+
+    @test("test_compile_simplest")
+    def test_compile_simplest(self):
+        sections = P(self.code_test_compile_simplest, {})
+        sections = list(sections)
+
+        ok(len(sections)) == 1
+        sec1 = sections[0]
+        ok(sec1.name) == "sec1"
+        vals = sec1.vals
+        ok(vals['wait_for_previous']).is_(None)
+        ok(vals['iodepth']) == 1
+        ok(vals['some_extra'] - 1.2314) < 1E-7
+
+    code_test_params_in_defaults = defaults + """
+[defaults]
+RUNTIME=20
+
+[sec1]
+runtime={RUNTIME}
+"""
+
+    @test("test_compile_defaults")
+    def test_compile_defaults(self):
+        sections = P(self.code_test_params_in_defaults, {})
+        sections = list(sections)
+
+        ok(len(sections)) == 1
+        sec1 = sections[0]
+        ok(sec1.name) == "sec1"
+        vals = sec1.vals
+        ok(vals['wait_for_previous']).is_(None)
+        ok(vals['iodepth']) == 1
+        ok(vals['runtime']) == 20
+
+    @test("test_defaults")
+    def test_defaults(self):
+        sections = P(code_test_defaults, {})
+        sections = list(sections)
+
+        ok(len(sections)) == 2
+        sec1, sec2 = sections
+
+        ok(sec1.name) == "sec1"
+        ok(sec2.name) == "sec2"
+
+        ok(sec1.vals['wait_for_previous']).is_(None)
+        ok(sec2.vals['wait_for_previous']).is_(None)
+
+        ok(sec1.vals['iodepth']) == 2
+        ok(sec2.vals['iodepth']) == 1
+
+        ok(sec1.vals['buffered']) == 0
+        ok(sec2.vals['buffered']) == 0
+
+    code_test_ext_params = defaults + """
+[sec1]
+runtime={RUNTIME}
+"""
+
+    @test("test_external_params")
+    def test_external_params(self):
+        with self.assertRaises(KeyError):
+            sections = P(self.code_test_ext_params, {})
+            list(sections)
+
+        sections = P(self.code_test_ext_params,
+                     {'RUNTIME': 20})
+        sections = list(sections)
+
+    code_test_cycle = defaults + """
+[sec1]
+runtime={RUNTIME}
+ramp_time={% 20, 40 %}
+"""
+
+    @test("test_cycle")
+    def test_cycle(self):
+        sections = P(self.code_test_cycle,
+                     {'RUNTIME': 20})
+        sections = list(sections)
+        ok(len(sections)) == 2
+        ok(sections[0].vals['ramp_time']) == 20
+        ok(sections[1].vals['ramp_time']) == 40
+
+    code_test_cycles = defaults + """
+[sec1]
+ramp_time={% 20, 40 %}
+runtime={RUNTIME}
+blocksize={% 4k, 4m %}
+"""
+
+    @test("test_cycles")
+    def test_cycles(self):
+        sections = P(self.code_test_cycles,
+                     {'RUNTIME': 20})
+        sections = list(sections)
+        ok(len(sections)) == 4
+
+        combinations = [
+            (section.vals['ramp_time'], section.vals['blocksize'])
+            for section in sections
+        ]
+
+        combinations.sort()
+
+        ok(combinations) == [(20, '4k'), (20, '4m'), (40, '4k'), (40, '4m')]
+
+    @test("test_time_estimate")
+    def test_time_estimate(self):
+        sections = P(self.code_test_cycles,
+                     {'RUNTIME': 20})
+        sections = list(sections)
+        etime = agent.calculate_execution_time(sections)
+
+        ok(etime) == 20 * 4 + 20 * 2 + 40 * 2
+        ok(agent.sec_to_str(etime)) == "0:03:20"
+
+    code_test_cycles2 = defaults + """
+[sec1 * 7]
+ramp_time={% 20, 40 %}
+runtime={RUNTIME}
+blocksize={% 4k, 4m %}
+"""
+
+    @test("test_time_estimate")
+    def test_time_estimate_large(self):
+        sections = P(self.code_test_cycles2,
+                     {'RUNTIME': 30})
+        sections = list(sections)
+
+        ok(sections[0].name) == 'sec1'
+        ok(len(sections)) == 7 * 4
+
+        etime = agent.calculate_execution_time(sections)
+        # ramptime optimization
+        expected_time = (20 + 30 + 30 * 6) * 2
+        expected_time += (40 + 30 + 30 * 6) * 2
+        ok(etime) == expected_time
+
+    code_test_cycles3 = defaults + """
+[sec1 * 7]
+ramp_time={% 20, 40 %}
+runtime={RUNTIME}
+blocksize={% 4k, 4m %}
+
+[sec2 * 7]
+ramp_time={% 20, 40 %}
+runtime={RUNTIME}
+blocksize={% 4k, 4m %}
+"""
+
+    @test("test_time_estimate2")
+    def test_time_estimate_large2(self):
+        sections = P(self.code_test_cycles3, {'RUNTIME': 30})
+        sections = list(sections)
+
+        ok(sections[0].name) == 'sec1'
+        ok(sections[1].name) == 'sec1'
+        ok(len(sections)) == 7 * 4 * 2
+
+        etime = agent.calculate_execution_time(sections)
+        # ramptime optimization
+        expected_time = (20 + 30 + 30 * 6) * 2
+        expected_time += (40 + 30 + 30 * 6) * 2
+        ok(etime) == expected_time * 2
+
+    code_test_repeats = defaults + """
+[defaults]
+REPCOUNT=2
+[sec1 * 3]
+[sec2 * {REPCOUNT}]
+"""
+
+    @test("test_repeat")
+    def test_repeat(self):
+        sections = P(self.code_test_repeats, {})
+        sections = list(sections)
+        ok(len(sections)) == 2 + 3
+        ok(sections[0].name) == 'sec1'
+        ok(sections[1].name) == 'sec1'
+        ok(sections[2].name) == 'sec1'
+        ok(sections[3].name) == 'sec2'
+        ok(sections[4].name) == 'sec2'
+
+    @test("test_real_tasks")
+    def test_real_tasks(self):
+        tasks_dir = os.path.dirname(agent.__file__)
+        fname = os.path.join(tasks_dir, 'io_scenario_ceph.cfg')
+        fc = open(fname).read()
+
+        sections = P(fc, {'FILENAME': '/dev/null'})
+        sections = list(sections)
+
+        ok(len(sections)) == 7 * 9 * 4 + 7
+
+        etime = agent.calculate_execution_time(sections)
+        # ramptime optimization
+        expected_time = (60 * 7 + 30) * 9 * 4 + (60 * 7 + 30)
+        ok(etime) == expected_time
+
+if __name__ == '__main__':
+    main()
+
+# def do_run_fio_fake(bconf):
+#     def estimate_iops(sz, bw, lat):
+#         return 1 / (lat + float(sz) / bw)
+#     global count
+#     count += 1
+#     parsed_out = []
+
+#     BW = 120.0 * (1024 ** 2)
+#     LAT = 0.003
+
+#     for name, cfg in bconf:
+#         sz = to_bytes(cfg['blocksize'])
+#         curr_lat = LAT * ((random.random() - 0.5) * 0.1 + 1)
+#         curr_ulat = curr_lat * 1000000
+#         curr_bw = BW * ((random.random() - 0.5) * 0.1 + 1)
+#         iops = estimate_iops(sz, curr_bw, curr_lat)
+#         bw = iops * sz
+
+#         res = {'ctx': 10683,
+#                'error': 0,
+#                'groupid': 0,
+#                'jobname': name,
+#                'majf': 0,
+#                'minf': 30,
+#                'read': {'bw': 0,
+#                         'bw_agg': 0.0,
+#                         'bw_dev': 0.0,
+#                         'bw_max': 0,
+#                         'bw_mean': 0.0,
+#                         'bw_min': 0,
+#                         'clat': {'max': 0,
+#                                  'mean': 0.0,
+#                                  'min': 0,
+#                                  'stddev': 0.0},
+#                         'io_bytes': 0,
+#                         'iops': 0,
+#                         'lat': {'max': 0, 'mean': 0.0,
+#                                 'min': 0, 'stddev': 0.0},
+#                         'runtime': 0,
+#                         'slat': {'max': 0, 'mean': 0.0,
+#                                  'min': 0, 'stddev': 0.0}
+#                         },
+#                'sys_cpu': 0.64,
+#                'trim': {'bw': 0,
+#                         'bw_agg': 0.0,
+#                         'bw_dev': 0.0,
+#                         'bw_max': 0,
+#                         'bw_mean': 0.0,
+#                         'bw_min': 0,
+#                         'clat': {'max': 0,
+#                                  'mean': 0.0,
+#                                  'min': 0,
+#                                  'stddev': 0.0},
+#                         'io_bytes': 0,
+#                         'iops': 0,
+#                         'lat': {'max': 0, 'mean': 0.0,
+#                                 'min': 0, 'stddev': 0.0},
+#                         'runtime': 0,
+#                         'slat': {'max': 0, 'mean': 0.0,
+#                                  'min': 0, 'stddev': 0.0}
+#                         },
+#                'usr_cpu': 0.23,
+#                'write': {'bw': 0,
+#                          'bw_agg': 0,
+#                          'bw_dev': 0,
+#                          'bw_max': 0,
+#                          'bw_mean': 0,
+#                          'bw_min': 0,
+#                          'clat': {'max': 0, 'mean': 0,
+#                                   'min': 0, 'stddev': 0},
+#                          'io_bytes': 0,
+#                          'iops': 0,
+#                          'lat': {'max': 0, 'mean': 0,
+#                                  'min': 0, 'stddev': 0},
+#                          'runtime': 0,
+#                          'slat': {'max': 0, 'mean': 0.0,
+#                                   'min': 0, 'stddev': 0.0}
+#                          }
+#                }
+
+#         if cfg['rw'] in ('read', 'randread'):
+#             key = 'read'
+#         elif cfg['rw'] in ('write', 'randwrite'):
+#             key = 'write'
+#         else:
+#             raise ValueError("Uknown op type {0}".format(key))
+
+#         res[key]['bw'] = bw
+#         res[key]['iops'] = iops
+#         res[key]['runtime'] = 30
+#         res[key]['io_bytes'] = res[key]['runtime'] * bw
+#         res[key]['bw_agg'] = bw
+#         res[key]['bw_dev'] = bw / 30
+#         res[key]['bw_max'] = bw * 1.5
+#         res[key]['bw_min'] = bw / 1.5
+#         res[key]['bw_mean'] = bw
+#         res[key]['clat'] = {'max': curr_ulat * 10, 'mean': curr_ulat,
+#                             'min': curr_ulat / 2, 'stddev': curr_ulat}
+#         res[key]['lat'] = res[key]['clat'].copy()
+#         res[key]['slat'] = res[key]['clat'].copy()
+
+#         parsed_out.append(res)
+
+#     return zip(parsed_out, bconf)
diff --git a/wally/discover/node.py b/wally/discover/node.py
index dc1c9b0..8659fe6 100644
--- a/wally/discover/node.py
+++ b/wally/discover/node.py
@@ -10,9 +10,14 @@
         self.monitor_url = None
 
     def get_ip(self):
+        if self.conn_url == 'local':
+            return '127.0.0.1'
         return urlparse.urlparse(self.conn_url).hostname
 
     def get_conn_id(self):
+        if self.conn_url == 'local':
+            return '127.0.0.1'
+
         host = urlparse.urlparse(self.conn_url).hostname
         port = urlparse.urlparse(self.conn_url).port
 
diff --git a/wally/run_test.py b/wally/run_test.py
index b22ce38..44b65c0 100755
--- a/wally/run_test.py
+++ b/wally/run_test.py
@@ -44,6 +44,10 @@
 
 
 def connect_one(node, vm=False):
+    if node.conn_url == 'local':
+        node.connection = ssh_utils.connect(node.conn_url)
+        return
+
     try:
         ssh_pref = "ssh://"
         if node.conn_url.startswith(ssh_pref):
diff --git a/wally/sensors_utils.py b/wally/sensors_utils.py
index 3cd6bc8..e44704d 100644
--- a/wally/sensors_utils.py
+++ b/wally/sensors_utils.py
@@ -54,7 +54,11 @@
                 if node.monitor_url is not None:
                     monitor_url = node.monitor_url
                 else:
-                    ext_ip = utils.get_ip_for_target(node.get_ip())
+                    ip = node.get_ip()
+                    if ip == '127.0.0.1':
+                        ext_ip = '127.0.0.1'
+                    else:
+                        ext_ip = utils.get_ip_for_target(ip)
                     monitor_url = receiver_url.format(ip=ext_ip)
 
                 monitored_nodes.append(node)
diff --git a/wally/ssh_utils.py b/wally/ssh_utils.py
index f1818ad..d928a82 100644
--- a/wally/ssh_utils.py
+++ b/wally/ssh_utils.py
@@ -1,11 +1,12 @@
 import re
 import time
 import socket
+import shutil
 import logging
 import os.path
 import getpass
 import threading
-
+import subprocess
 
 import paramiko
 
@@ -13,7 +14,47 @@
 logger = logging.getLogger("wally")
 
 
+class Local(object):
+    "placeholder for local node"
+    @classmethod
+    def open_sftp(cls):
+        return cls
+
+    @classmethod
+    def mkdir(cls, remotepath, mode=None):
+        os.mkdir(remotepath)
+        if mode is not None:
+            os.chmod(remotepath, mode)
+
+    @classmethod
+    def put(cls, localfile, remfile):
+        shutil.copyfile(localfile, remfile)
+
+    @classmethod
+    def chmod(cls, path, mode):
+        os.chmod(path, mode)
+
+    @classmethod
+    def copytree(cls, src, dst):
+        shutil.copytree(src, dst)
+
+    @classmethod
+    def remove(cls, path):
+        os.unlink(path)
+
+    @classmethod
+    def close(cls):
+        pass
+
+    @classmethod
+    def open(cls, *args, **kwarhgs):
+        return open(*args, **kwarhgs)
+
+
 def ssh_connect(creds, retry_count=6, timeout=10, log_warns=True):
+    if creds == 'local':
+        return Local
+
     ssh = paramiko.SSHClient()
     ssh.load_host_keys('/dev/null')
     ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
@@ -248,6 +289,9 @@
 
 
 def connect(uri, **params):
+    if uri == 'local':
+        return Local
+
     creds = parse_ssh_uri(uri)
     creds.port = int(creds.port)
     return ssh_connect(creds, **params)
@@ -260,6 +304,23 @@
 def run_over_ssh(conn, cmd, stdin_data=None, timeout=60,
                  nolog=False, node=None):
     "should be replaces by normal implementation, with select"
+
+    if conn is Local:
+        if not nolog:
+            logger.debug("SSH:local Exec {0!r}".format(cmd))
+        proc = subprocess.Popen(cmd, shell=True,
+                                stdin=subprocess.PIPE,
+                                stdout=subprocess.PIPE,
+                                stderr=subprocess.STDOUT)
+
+        stdoutdata, _ = proc.communicate(input=stdin_data)
+
+        if proc.returncode != 0:
+            templ = "SSH:{0} Cmd {1!r} failed with code {2}. Output: {3}"
+            raise OSError(templ.format(node, cmd, proc.returncode, stdoutdata))
+
+        return stdoutdata
+
     transport = conn.get_transport()
     session = transport.open_session()
 
diff --git a/wally/suits/io/agent.py b/wally/suits/io/agent.py
index d15d18e..1982e35 100644
--- a/wally/suits/io/agent.py
+++ b/wally/suits/io/agent.py
@@ -1,7 +1,7 @@
 import sys
 import time
 import json
-import random
+import copy
 import select
 import pprint
 import argparse
@@ -15,6 +15,234 @@
 SETTING = 1
 
 
+class FioJobSection(object):
+    def __init__(self, name):
+        self.name = name
+        self.vals = OrderedDict()
+        self.format_params = {}
+
+    def copy(self):
+        return copy.deepcopy(self)
+
+
+def to_bytes(sz):
+    sz = sz.lower()
+    try:
+        return int(sz)
+    except ValueError:
+        if sz[-1] == 'm':
+            return (1024 ** 2) * int(sz[:-1])
+        if sz[-1] == 'k':
+            return 1024 * int(sz[:-1])
+        if sz[-1] == 'g':
+            return (1024 ** 3) * int(sz[:-1])
+        raise
+
+
+def fio_config_lexer(fio_cfg):
+    for lineno, line in enumerate(fio_cfg.split("\n")):
+        try:
+            line = line.strip()
+
+            if line.startswith("#") or line.startswith(";"):
+                continue
+
+            if line == "":
+                continue
+
+            if line.startswith('['):
+                assert line.endswith(']'), "name should ends with ]"
+                yield lineno, SECTION, line[1:-1], None
+            elif '=' in line:
+                opt_name, opt_val = line.split('=', 1)
+                yield lineno, SETTING, opt_name.strip(), opt_val.strip()
+            else:
+                yield lineno, SETTING, line, None
+        except Exception as exc:
+            pref = "During parsing line number {0}\n".format(lineno)
+            raise ValueError(pref + exc.message)
+
+
+def fio_config_parse(lexer_iter, format_params):
+    orig_format_params_keys = set(format_params)
+    format_params = format_params.copy()
+    in_defaults = False
+    curr_section = None
+    defaults = OrderedDict()
+
+    for lineno, tp, name, val in lexer_iter:
+        if tp == SECTION:
+            if curr_section is not None:
+                yield curr_section
+
+            if name == 'defaults':
+                in_defaults = True
+                curr_section = None
+            else:
+                in_defaults = False
+                curr_section = FioJobSection(name)
+                curr_section.format_params = format_params.copy()
+                curr_section.vals = defaults.copy()
+        else:
+            assert tp == SETTING
+            if name == name.upper():
+                msg = "Param not in default section in line " + str(lineno)
+                assert in_defaults, msg
+                if name not in orig_format_params_keys:
+                    # don't make parse_value for PARAMS
+                    # they would be parsed later
+                    # or this would breakes arrays
+                    format_params[name] = val
+            elif in_defaults:
+                defaults[name] = parse_value(val)
+            else:
+                msg = "data outside section, line " + str(lineno)
+                assert curr_section is not None, msg
+                curr_section.vals[name] = parse_value(val)
+
+    if curr_section is not None:
+        yield curr_section
+
+
+def parse_value(val):
+    if val is None:
+        return None
+
+    try:
+        return int(val)
+    except ValueError:
+        pass
+
+    try:
+        return float(val)
+    except ValueError:
+        pass
+
+    if val.startswith('{%'):
+        assert val.endswith("%}")
+        content = val[2:-2]
+        vals = list(i.strip() for i in content.split(','))
+        return map(parse_value, vals)
+    return val
+
+
+def process_repeats(sec_iter):
+
+    for sec in sec_iter:
+        if '*' in sec.name:
+            msg = "Only one '*' allowed in section name"
+            assert sec.name.count('*') == 1, msg
+
+            name, count = sec.name.split("*")
+            sec.name = name.strip()
+            count = count.strip()
+
+            try:
+                count = int(count.strip().format(**sec.format_params))
+            except KeyError:
+                raise ValueError("No parameter {0} given".format(count[1:-1]))
+            except ValueError:
+                msg = "Parameter {0} nas non-int value {1!r}"
+                raise ValueError(msg.format(count[1:-1],
+                                 count.format(**sec.format_params)))
+
+            yield sec
+
+            if 'ramp_time' in sec.vals:
+                sec = sec.copy()
+                sec.vals['_ramp_time'] = sec.vals.pop('ramp_time')
+
+            for _ in range(count - 1):
+                yield sec.copy()
+        else:
+            yield sec
+
+
+def process_cycles(sec_iter):
+    # insert parametrized cycles
+    sec_iter = try_format_params_into_section(sec_iter)
+
+    for sec in sec_iter:
+
+        cycles_var_names = []
+        cycles_var_values = []
+
+        for name, val in sec.vals.items():
+            if isinstance(val, list):
+                cycles_var_names.append(name)
+                cycles_var_values.append(val)
+
+        if len(cycles_var_names) == 0:
+            yield sec
+        else:
+            for combination in itertools.product(*cycles_var_values):
+                new_sec = sec.copy()
+                new_sec.vals.update(zip(cycles_var_names, combination))
+                yield new_sec
+
+
+def try_format_params_into_section(sec_iter):
+    for sec in sec_iter:
+        params = sec.format_params
+        for name, val in sec.vals.items():
+            if isinstance(val, basestring):
+                try:
+                    sec.vals[name] = parse_value(val.format(**params))
+                except:
+                    pass
+
+        yield sec
+
+
+def format_params_into_section_finall(sec_iter, counter=[0]):
+    group_report_err_msg = "Group reporting should be set if numjobs != 1"
+
+    for sec in sec_iter:
+
+        num_jobs = int(sec.vals.get('numjobs', '1'))
+        if num_jobs != 1:
+            assert 'group_reporting' in sec.vals, group_report_err_msg
+
+        params = sec.format_params
+
+        fsize = to_bytes(sec.vals['size'])
+        params['PER_TH_OFFSET'] = fsize // num_jobs
+
+        for name, val in sec.vals.items():
+            if isinstance(val, basestring):
+                sec.vals[name] = parse_value(val.format(**params))
+            else:
+                assert isinstance(val, (int, float)) or val is None
+
+        params['UNIQ'] = 'UN{0}'.format(counter[0])
+        counter[0] += 1
+        params['TEST_SUMM'] = get_test_summary(sec.vals)
+        sec.name = sec.name.format(**params)
+
+        yield sec
+
+
+def fio_config_to_str(sec_iter):
+    res = ""
+
+    for pos, sec in enumerate(sec_iter):
+        if pos != 0:
+            res += "\n"
+
+        res += "[{0}]\n".format(sec.name)
+
+        for name, val in sec.vals.items():
+            if name.startswith('_'):
+                continue
+
+            if val is None:
+                res += name + "\n"
+            else:
+                res += "{0}={1}\n".format(name, val)
+
+    return res
+
+
 def get_test_sync_mode(config):
     try:
         return config['sync_mode']
@@ -52,343 +280,78 @@
                                    th_count)
 
 
-counter = [0]
-
-
-def extract_iterables(vals):
-    iterable_names = []
-    iterable_values = []
-    rest = {}
-
-    for val_name, val in vals.items():
-        if val is None or not val.startswith('{%'):
-            rest[val_name] = val
-        else:
-            assert val.endswith("%}")
-            content = val[2:-2]
-            iterable_names.append(val_name)
-            iterable_values.append(list(i.strip() for i in content.split(',')))
-
-    return iterable_names, iterable_values, rest
-
-
-def format_params_into_section(sec, params, final=True):
-    processed_vals = {}
-
-    for val_name, val in sec.items():
-        if val is None:
-            processed_vals[val_name] = val
-        else:
-            try:
-                processed_vals[val_name] = val.format(**params)
-            except KeyError:
-                if final:
-                    raise
-                processed_vals[val_name] = val
-
-    return processed_vals
-
-
-def process_section(name, vals, defaults, format_params):
-    vals = vals.copy()
-    params = format_params.copy()
-
-    if '*' in name:
-        name, repeat = name.split('*')
-        name = name.strip()
-        repeat = int(repeat.format(**params))
-    else:
-        repeat = 1
-
-    # this code can be optimized
-    iterable_names, iterable_values, processed_vals = extract_iterables(vals)
-
-    group_report_err_msg = "Group reporting should be set if numjobs != 1"
-
-    if iterable_values == []:
-        processed_vals = format_params_into_section(processed_vals, params,
-                                                    final=False)
-        params['UNIQ'] = 'UN{0}'.format(counter[0])
-        counter[0] += 1
-        params['TEST_SUMM'] = get_test_summary(processed_vals)
-
-        num_jobs = int(processed_vals.get('numjobs', '1'))
-        fsize = to_bytes(processed_vals['size'])
-        params['PER_TH_OFFSET'] = fsize // num_jobs
-
-        processed_vals = format_params_into_section(processed_vals, params,
-                                                    final=True)
-
-        if num_jobs != 1:
-            assert 'group_reporting' in processed_vals, group_report_err_msg
-
-        ramp_time = processed_vals.get('ramp_time')
-        for i in range(repeat):
-            yield name.format(**params), processed_vals.copy()
-
-            if 'ramp_time' in processed_vals:
-                del processed_vals['ramp_time']
-
-        if ramp_time is not None:
-            processed_vals['ramp_time'] = ramp_time
-    else:
-        for it_vals in itertools.product(*iterable_values):
-            processed_vals = format_params_into_section(processed_vals, params,
-                                                        final=False)
-
-            processed_vals.update(dict(zip(iterable_names, it_vals)))
-            params['UNIQ'] = 'UN{0}'.format(counter[0])
-            counter[0] += 1
-            params['TEST_SUMM'] = get_test_summary(processed_vals)
-
-            num_jobs = int(processed_vals.get('numjobs', '1'))
-            fsize = to_bytes(processed_vals['size'])
-            params['PER_TH_OFFSET'] = fsize // num_jobs
-
-            processed_vals = format_params_into_section(processed_vals, params,
-                                                        final=True)
-
-            if processed_vals.get('numjobs', '1') != '1':
-                assert 'group_reporting' in processed_vals,\
-                    group_report_err_msg
-
-            ramp_time = processed_vals.get('ramp_time')
-
-            for i in range(repeat):
-                yield name.format(**params), processed_vals.copy()
-                if 'ramp_time' in processed_vals:
-                    processed_vals['_ramp_time'] = ramp_time
-                    processed_vals.pop('ramp_time')
-
-            if ramp_time is not None:
-                processed_vals['ramp_time'] = ramp_time
-                processed_vals.pop('_ramp_time')
-
-
-def calculate_execution_time(combinations):
+def calculate_execution_time(sec_iter):
     time = 0
-    for _, params in combinations:
-        time += int(params.get('ramp_time', 0))
-        time += int(params.get('_ramp_time', 0))
-        time += int(params.get('runtime', 0))
+    for sec in sec_iter:
+        time += sec.vals.get('ramp_time', 0)
+        time += sec.vals.get('runtime', 0)
     return time
 
 
-def parse_fio_config_full(fio_cfg, params=None):
-    defaults = {}
-    format_params = {}
+def slice_config(sec_iter, runcycle=None, max_jobs=1000):
+    jcount = 0
+    runtime = 0
+    curr_slice = []
 
-    if params is None:
-        ext_params = {}
-    else:
-        ext_params = params.copy()
+    for pos, sec in enumerate(sec_iter):
 
-    curr_section = None
-    curr_section_name = None
+        jc = sec.vals.get('numjobs', 1)
+        msg = "numjobs should be integer, not {0!r}".format(jc)
+        assert isinstance(jc, int), msg
 
-    for tp, name, val in parse_fio_config_iter(fio_cfg):
-        if tp == SECTION:
-            non_def = curr_section_name != 'defaults'
-            if curr_section_name is not None and non_def:
-                format_params.update(ext_params)
-                for sec in process_section(curr_section_name,
-                                           curr_section,
-                                           defaults,
-                                           format_params):
-                    yield sec
+        curr_task_time = calculate_execution_time([sec])
 
-            if name == 'defaults':
-                curr_section = defaults
-            else:
-                curr_section = OrderedDict()
-                curr_section.update(defaults)
-            curr_section_name = name
+        if jc > max_jobs:
+            err_templ = "Can't process job {0!r} - too large numjobs"
+            raise ValueError(err_templ.format(sec.name))
 
+        if runcycle is not None and len(curr_slice) != 0:
+            rc_ok = curr_task_time + runtime <= runcycle
         else:
-            assert tp == SETTING
-            assert curr_section_name is not None, "no section name"
-            if name == name.upper():
-                assert curr_section_name == 'defaults'
-                format_params[name] = val
-            else:
-                curr_section[name] = val
+            rc_ok = True
 
-    if curr_section_name is not None and curr_section_name != 'defaults':
-        format_params.update(ext_params)
-        for sec in process_section(curr_section_name,
-                                   curr_section,
-                                   defaults,
-                                   format_params):
-            yield sec
-
-
-def parse_fio_config_iter(fio_cfg):
-    for lineno, line in enumerate(fio_cfg.split("\n")):
-        try:
-            line = line.strip()
-
-            if line.startswith("#") or line.startswith(";"):
-                continue
-
-            if line == "":
-                continue
-
-            if line.startswith('['):
-                assert line.endswith(']'), "name should ends with ]"
-                yield SECTION, line[1:-1], None
-            elif '=' in line:
-                opt_name, opt_val = line.split('=', 1)
-                yield SETTING, opt_name.strip(), opt_val.strip()
-            else:
-                yield SETTING, line, None
-        except Exception as exc:
-            pref = "During parsing line number {0}\n".format(lineno)
-            raise ValueError(pref + exc.message)
-
-
-def format_fio_config(fio_cfg):
-    res = ""
-    for pos, (name, section) in enumerate(fio_cfg):
-        if name.startswith('_'):
+        if jc + jcount <= max_jobs and rc_ok:
+            runtime += curr_task_time
+            jcount += jc
+            curr_slice.append(sec)
             continue
 
-        if pos != 0:
-            res += "\n"
+        assert len(curr_slice) != 0
+        yield curr_slice
 
-        res += "[{0}]\n".format(name)
-        for opt_name, opt_val in section.items():
-            if opt_val is None:
-                res += opt_name + "\n"
-            else:
-                res += "{0}={1}\n".format(opt_name, opt_val)
-    return res
+        if '_ramp_time' in sec.vals:
+            sec.vals['ramp_time'] = sec.vals.pop('_ramp_time')
+            curr_task_time = calculate_execution_time([sec])
+
+        runtime = curr_task_time
+        jcount = jc
+        curr_slice = [sec]
+
+    if curr_slice != []:
+        yield curr_slice
 
 
-count = 0
+def parse_all_in_1(source, test_params):
+    lexer_it = fio_config_lexer(source)
+    sec_it = fio_config_parse(lexer_it, test_params)
+    sec_it = process_cycles(sec_it)
+    sec_it = process_repeats(sec_it)
+    return format_params_into_section_finall(sec_it)
 
 
-def to_bytes(sz):
-    sz = sz.lower()
-    try:
-        return int(sz)
-    except ValueError:
-        if sz[-1] == 'm':
-            return (1024 ** 2) * int(sz[:-1])
-        if sz[-1] == 'k':
-            return 1024 * int(sz[:-1])
-        if sz[-1] == 'g':
-            return (1024 ** 3) * int(sz[:-1])
-        raise
+def parse_and_slice_all_in_1(source, test_params, **slice_params):
+    sec_it = parse_all_in_1(source, test_params)
+    return slice_config(sec_it, **slice_params)
 
 
-def do_run_fio_fake(bconf):
-    def estimate_iops(sz, bw, lat):
-        return 1 / (lat + float(sz) / bw)
-    global count
-    count += 1
-    parsed_out = []
-
-    BW = 120.0 * (1024 ** 2)
-    LAT = 0.003
-
-    for name, cfg in bconf:
-        sz = to_bytes(cfg['blocksize'])
-        curr_lat = LAT * ((random.random() - 0.5) * 0.1 + 1)
-        curr_ulat = curr_lat * 1000000
-        curr_bw = BW * ((random.random() - 0.5) * 0.1 + 1)
-        iops = estimate_iops(sz, curr_bw, curr_lat)
-        bw = iops * sz
-
-        res = {'ctx': 10683,
-               'error': 0,
-               'groupid': 0,
-               'jobname': name,
-               'majf': 0,
-               'minf': 30,
-               'read': {'bw': 0,
-                        'bw_agg': 0.0,
-                        'bw_dev': 0.0,
-                        'bw_max': 0,
-                        'bw_mean': 0.0,
-                        'bw_min': 0,
-                        'clat': {'max': 0,
-                                 'mean': 0.0,
-                                 'min': 0,
-                                 'stddev': 0.0},
-                        'io_bytes': 0,
-                        'iops': 0,
-                        'lat': {'max': 0, 'mean': 0.0,
-                                'min': 0, 'stddev': 0.0},
-                        'runtime': 0,
-                        'slat': {'max': 0, 'mean': 0.0,
-                                 'min': 0, 'stddev': 0.0}
-                        },
-               'sys_cpu': 0.64,
-               'trim': {'bw': 0,
-                        'bw_agg': 0.0,
-                        'bw_dev': 0.0,
-                        'bw_max': 0,
-                        'bw_mean': 0.0,
-                        'bw_min': 0,
-                        'clat': {'max': 0,
-                                 'mean': 0.0,
-                                 'min': 0,
-                                 'stddev': 0.0},
-                        'io_bytes': 0,
-                        'iops': 0,
-                        'lat': {'max': 0, 'mean': 0.0,
-                                'min': 0, 'stddev': 0.0},
-                        'runtime': 0,
-                        'slat': {'max': 0, 'mean': 0.0,
-                                 'min': 0, 'stddev': 0.0}
-                        },
-               'usr_cpu': 0.23,
-               'write': {'bw': 0,
-                         'bw_agg': 0,
-                         'bw_dev': 0,
-                         'bw_max': 0,
-                         'bw_mean': 0,
-                         'bw_min': 0,
-                         'clat': {'max': 0, 'mean': 0,
-                                  'min': 0, 'stddev': 0},
-                         'io_bytes': 0,
-                         'iops': 0,
-                         'lat': {'max': 0, 'mean': 0,
-                                 'min': 0, 'stddev': 0},
-                         'runtime': 0,
-                         'slat': {'max': 0, 'mean': 0.0,
-                                  'min': 0, 'stddev': 0.0}
-                         }
-               }
-
-        if cfg['rw'] in ('read', 'randread'):
-            key = 'read'
-        elif cfg['rw'] in ('write', 'randwrite'):
-            key = 'write'
-        else:
-            raise ValueError("Uknown op type {0}".format(key))
-
-        res[key]['bw'] = bw
-        res[key]['iops'] = iops
-        res[key]['runtime'] = 30
-        res[key]['io_bytes'] = res[key]['runtime'] * bw
-        res[key]['bw_agg'] = bw
-        res[key]['bw_dev'] = bw / 30
-        res[key]['bw_max'] = bw * 1.5
-        res[key]['bw_min'] = bw / 1.5
-        res[key]['bw_mean'] = bw
-        res[key]['clat'] = {'max': curr_ulat * 10, 'mean': curr_ulat,
-                            'min': curr_ulat / 2, 'stddev': curr_ulat}
-        res[key]['lat'] = res[key]['clat'].copy()
-        res[key]['slat'] = res[key]['clat'].copy()
-
-        parsed_out.append(res)
-
-    return zip(parsed_out, bconf)
+def compile_all_in_1(source, test_params, **slice_params):
+    slices_it = parse_and_slice_all_in_1(source, test_params, **slice_params)
+    for slices in slices_it:
+        yield fio_config_to_str(slices)
 
 
-def do_run_fio(bconf):
-    benchmark_config = format_fio_config(bconf)
+def do_run_fio(config_slice):
+    benchmark_config = fio_config_to_str(config_slice)
     cmd = ["fio", "--output-format=json", "--alloc-size=262144", "-"]
     p = subprocess.Popen(cmd,
                          stdin=subprocess.PIPE,
@@ -414,91 +377,37 @@
         raw_out = raw_out[:100]
         raise ValueError(msg.format(raw_out, exc.message))
 
-    return zip(parsed_out, bconf)
-
-# limited by fio
-MAX_JOBS = 1000
+    return zip(parsed_out, config_slice)
 
 
-def next_test_portion(whole_conf, runcycle, cluster=False):
-    if cluster:
-        for name, sec in whole_conf:
-            if '_ramp_time' in sec:
-                sec['ramp_time'] = sec.pop('_ramp_time')
-            yield [(name, sec)]
-        return
-
-    jcount = 0
-    runtime = 0
-    bconf = []
-
-    for pos, (name, sec) in enumerate(whole_conf):
-        jc = int(sec.get('numjobs', '1'))
-
-        if runcycle is not None:
-            curr_task_time = calculate_execution_time([(name, sec)])
-        else:
-            curr_task_time = 0
-
-        if jc > MAX_JOBS:
-            err_templ = "Can't process job {0!r} - too large numjobs"
-            raise ValueError(err_templ.format(name))
-
-        if runcycle is not None and len(bconf) != 0:
-            rc_ok = curr_task_time + runtime <= runcycle
-        else:
-            rc_ok = True
-
-        if jc + jcount <= MAX_JOBS and rc_ok:
-            runtime += curr_task_time
-            jcount += jc
-            bconf.append((name, sec))
-            if '_ramp_time' in sec:
-                del sec['_ramp_time']
-            continue
-
-        assert len(bconf) != 0
-        yield bconf
-
-        if '_ramp_time' in sec:
-            sec['ramp_time'] = sec.pop('_ramp_time')
-            curr_task_time = calculate_execution_time([(name, sec)])
-
-        runtime = curr_task_time
-        jcount = jc
-        bconf = [(name, sec)]
-
-    if bconf != []:
-        yield bconf
-
-
-def add_job_results(jname, job_output, jconfig, res):
+def add_job_results(section, job_output, res):
     if job_output['write']['iops'] != 0:
         raw_result = job_output['write']
     else:
         raw_result = job_output['read']
 
-    if jname not in res:
+    vals = section.vals
+    if section.name not in res:
         j_res = {}
-        j_res["rw"] = jconfig["rw"]
-        j_res["sync_mode"] = get_test_sync_mode(jconfig)
-        j_res["concurence"] = int(jconfig.get("numjobs", 1))
-        j_res["blocksize"] = jconfig["blocksize"]
+        j_res["rw"] = vals["rw"]
+        j_res["sync_mode"] = get_test_sync_mode(vals)
+        j_res["concurence"] = int(vals.get("numjobs", 1))
+        j_res["blocksize"] = vals["blocksize"]
         j_res["jobname"] = job_output["jobname"]
-        j_res["timings"] = [int(jconfig.get("runtime", 0)),
-                            int(jconfig.get("ramp_time", 0))]
+        j_res["timings"] = [int(vals.get("runtime", 0)),
+                            int(vals.get("ramp_time", 0))]
     else:
-        j_res = res[jname]
-        assert j_res["rw"] == jconfig["rw"]
-        assert j_res["rw"] == jconfig["rw"]
-        assert j_res["sync_mode"] == get_test_sync_mode(jconfig)
-        assert j_res["concurence"] == int(jconfig.get("numjobs", 1))
-        assert j_res["blocksize"] == jconfig["blocksize"]
+        j_res = res[section.name]
+        assert j_res["rw"] == vals["rw"]
+        assert j_res["rw"] == vals["rw"]
+        assert j_res["sync_mode"] == get_test_sync_mode(vals)
+        assert j_res["concurence"] == int(vals.get("numjobs", 1))
+        assert j_res["blocksize"] == vals["blocksize"]
         assert j_res["jobname"] == job_output["jobname"]
 
         # ramp part is skipped for all tests, except first
-        # assert j_res["timings"] == (jconfig.get("runtime"),
-        #                             jconfig.get("ramp_time"))
+        # assert j_res["timings"] == (vals.get("runtime"),
+        #                             vals.get("ramp_time"))
 
     def j_app(name, x):
         j_res.setdefault(name, []).append(x)
@@ -509,65 +418,46 @@
     j_app("clat", raw_result["clat"]["mean"])
     j_app("slat", raw_result["slat"]["mean"])
 
-    res[jname] = j_res
+    res[section.name] = j_res
 
 
-def compile(benchmark_config, params, skip=0, runcycle=None, cluster=False):
-    whole_conf = list(parse_fio_config_full(benchmark_config, params))
-    whole_conf = whole_conf[skip:]
-    res = ""
-
-    for bconf in next_test_portion(whole_conf, runcycle, cluster=cluster):
-        res += format_fio_config(bconf)
-        res += "\n#" + "-" * 50 + "\n\n"
-
-    return res
-
-
-def run_fio(benchmark_config,
-            params,
-            runcycle=None,
-            raw_results_func=None,
-            skip_tests=0,
-            fake_fio=False,
-            cluster=False):
-
-    whole_conf = list(parse_fio_config_full(benchmark_config, params))
-    whole_conf = whole_conf[skip_tests:]
-    res = {}
-    curr_test_num = skip_tests
-    executed_tests = 0
+def run_fio(sliced_it, raw_results_func=None):
+    sliced_list = list(sliced_it)
     ok = True
+
     try:
-        for bconf in next_test_portion(whole_conf, runcycle, cluster=cluster):
+        curr_test_num = 0
+        executed_tests = 0
+        result = {}
 
-            if fake_fio:
-                res_cfg_it = do_run_fio_fake(bconf)
-            else:
-                res_cfg_it = do_run_fio(bconf)
-
+        for i, test_slice in enumerate(sliced_list):
+            res_cfg_it = do_run_fio(test_slice)
             res_cfg_it = enumerate(res_cfg_it, curr_test_num)
 
-            for curr_test_num, (job_output, (jname, jconfig)) in res_cfg_it:
+            for curr_test_num, (job_output, section) in res_cfg_it:
                 executed_tests += 1
+
                 if raw_results_func is not None:
                     raw_results_func(executed_tests,
-                                     [job_output, jname, jconfig])
+                                     [job_output, section])
 
-                assert jname == job_output["jobname"], \
-                    "{0} != {1}".format(jname, job_output["jobname"])
+                msg = "{0} != {1}".format(section.name, job_output["jobname"])
+                assert section.name == job_output["jobname"], msg
 
-                if jname.startswith('_'):
+                if section.name.startswith('_'):
                     continue
 
-                add_job_results(jname, job_output, jconfig, res)
+                add_job_results(section, job_output, result)
+
             curr_test_num += 1
             msg_template = "Done {0} tests from {1}. ETA: {2}"
-            exec_time = estimate_cfg(benchmark_config, params, curr_test_num)
 
-            print msg_template.format(curr_test_num - skip_tests,
-                                      len(whole_conf),
-                                      sec_to_str(exec_time))
+            rest = sliced_list[i:]
+            time_eta = sum(map(calculate_execution_time, rest))
+            test_left = sum(map(len, rest))
+            print msg_template.format(curr_test_num,
+                                      test_left,
+                                      sec_to_str(time_eta))
 
     except (SystemExit, KeyboardInterrupt):
         raise
@@ -578,7 +468,7 @@
         print "======== END OF ERROR ========="
         ok = False
 
-    return res, executed_tests, ok
+    return result, executed_tests, ok
 
 
 def run_benchmark(binary_tp, *argv, **kwargs):
@@ -606,11 +496,6 @@
         job_cfg += char
 
 
-def estimate_cfg(job_cfg, params, skip_tests=0):
-    bconf = list(parse_fio_config_full(job_cfg, params))[skip_tests:]
-    return calculate_execution_time(bconf)
-
-
 def sec_to_str(seconds):
     h = seconds // 3600
     m = (seconds % 3600) // 60
@@ -641,12 +526,6 @@
                         help="Max cycle length in seconds")
     parser.add_argument("--show-raw-results", action='store_true',
                         default=False, help="Output raw input and results")
-    parser.add_argument("--skip-tests", type=int, default=0, metavar="NUM",
-                        help="Skip NUM tests")
-    parser.add_argument("--faked-fio", action='store_true',
-                        default=False, help="Emulate fio with 0 test time")
-    parser.add_argument("--cluster", action='store_true',
-                        default=False, help="Apply cluster-test settings")
     parser.add_argument("--params", nargs="*", metavar="PARAM=VAL",
                         default=[],
                         help="Provide set of pairs PARAM=VAL to" +
@@ -674,22 +553,25 @@
         name, val = param_val.split("=", 1)
         params[name] = val
 
+    slice_params = {
+        'runcycle': argv_obj.runcycle,
+    }
+
+    sliced_it = parse_and_slice_all_in_1(job_cfg, params, **slice_params)
+
     if argv_obj.estimate:
-        print sec_to_str(estimate_cfg(job_cfg, params))
+        it = map(calculate_execution_time, sliced_it)
+        print sec_to_str(sum(it))
         return 0
 
     if argv_obj.num_tests or argv_obj.compile:
         if argv_obj.compile:
-            data = compile(job_cfg, params, argv_obj.skip_tests,
-                           cluster=argv_obj.cluster)
-            out_fd.write(data)
-            out_fd.write("\n")
+            for test_slice in sliced_it:
+                out_fd.write(fio_config_to_str(test_slice))
+                out_fd.write("\n#" + "-" * 70 + "\n\n")
 
         if argv_obj.num_tests:
-            bconf = list(parse_fio_config_full(job_cfg, params,
-                                               argv_obj.cluster))
-            bconf = bconf[argv_obj.skip_tests:]
-            print len(bconf)
+            print len(list(sliced_it))
 
         return 0
 
@@ -708,14 +590,7 @@
     rrfunc = raw_res_func if argv_obj.show_raw_results else None
 
     stime = time.time()
-    job_res, num_tests, ok = run_benchmark(argv_obj.type,
-                                           job_cfg,
-                                           params,
-                                           argv_obj.runcycle,
-                                           rrfunc,
-                                           argv_obj.skip_tests,
-                                           argv_obj.faked_fio,
-                                           cluster=argv_obj.cluster)
+    job_res, num_tests, ok = run_benchmark(argv_obj.type, sliced_it, rrfunc)
     etime = time.time()
 
     res = {'__meta__': {'raw_cfg': job_cfg, 'params': params}, 'res': job_res}
diff --git a/wally/suits/io/io_scenario_ceph.cfg b/wally/suits/io/io_scenario_ceph.cfg
index 5e793f2..cc8e411 100644
--- a/wally/suits/io/io_scenario_ceph.cfg
+++ b/wally/suits/io/io_scenario_ceph.cfg
@@ -7,56 +7,55 @@
 softrandommap=1
 filename={FILENAME}
 NUM_ROUNDS=7
+NUMJOBS={% 1, 5, 10, 15, 20, 30, 40, 80, 120 %}
 
 size=5G
-ramp_time=20
-runtime=20
+ramp_time=30
+runtime=60
 
 # ---------------------------------------------------------------------
-# check different thread count, direct read/write mode. (bw, iops) = func(th_count)
-# also check BW for seq read/write.
+# check different thread count, sync mode. (latency, iops) = func(th_count)
+# ---------------------------------------------------------------------
+[ceph_test_{TEST_SUMM} * {NUM_ROUNDS}]
+blocksize=4k
+rw=randwrite
+sync=1
+numjobs={NUMJOBS}
+
+# ---------------------------------------------------------------------
+# check different thread count, sync mode. (latency, iops) = func(th_count)
+# ---------------------------------------------------------------------
+[ceph_test_{TEST_SUMM} * {NUM_ROUNDS}]
+blocksize=4k
+rw=randwrite
+direct=1
+numjobs=1
+
+# ---------------------------------------------------------------------
+# check different thread count, direct read mode. (latency, iops) = func(th_count)
+# also check iops for randread
+# ---------------------------------------------------------------------
+[ceph_test_{TEST_SUMM} * {NUM_ROUNDS}]
+blocksize=4k
+rw=randread
+direct=1
+numjobs={NUMJOBS}
+
+# ---------------------------------------------------------------------
+# this is essentially sequential read openration
+# we can't use seq read with numjobs > 1 on clouds due to caching
+# ---------------------------------------------------------------------
+[ceph_test_{TEST_SUMM} * {NUM_ROUNDS}]
+blocksize=16m
+rw=randread
+direct=1
+numjobs={NUMJOBS}
+
+# ---------------------------------------------------------------------
+# sequential write
 # ---------------------------------------------------------------------
 [ceph_test_{TEST_SUMM} * {NUM_ROUNDS}]
 blocksize=1m
-rw=read
+rw=write
 direct=1
-offset_increment={PER_TH_OFFSET}
-numjobs={% 20, 120 %}
-
-# # ---------------------------------------------------------------------
-# # check different thread count, sync mode. (latency, iops) = func(th_count)
-# # ---------------------------------------------------------------------
-# [hdd_test_{TEST_SUMM} * {NUM_ROUNDS}]
-# blocksize=4k
-# rw=randwrite
-# sync=1
-# numjobs={% 1, 5, 10, 15, 20, 30, 40, 80, 120 %}
-# 
-# # ---------------------------------------------------------------------
-# # check different thread count, direct read mode. (latency, iops) = func(th_count)
-# # also check iops for randread
-# # ---------------------------------------------------------------------
-# [hdd_test_{TEST_SUMM} * {NUM_ROUNDS}]
-# blocksize=4k
-# rw=randread
-# direct=1
-# numjobs={% 1, 5, 10, 15, 20, 30, 40, 80, 120 %}
-# 
-# # ---------------------------------------------------------------------
-# # check different thread count, direct read/write mode. (bw, iops) = func(th_count)
-# # also check BW for seq read/write.
-# # ---------------------------------------------------------------------
-# [hdd_test_{TEST_SUMM} * {NUM_ROUNDS}]
-# blocksize=1m
-# rw={% read, write %}
-# direct=1
-# offset_increment=1073741824 # 1G
-# numjobs={% 1, 5, 10, 15, 20, 30, 40, 80, 120 %}
-# 
-# # ---------------------------------------------------------------------
-# # check IOPS randwrite.
-# # ---------------------------------------------------------------------
-# [hdd_test_{TEST_SUMM} * {NUM_ROUNDS}]
-# blocksize=4k
-# rw=randwrite
-# direct=1
+numjobs={NUMJOBS}
diff --git a/wally/suits/io/io_scenario_hdd.cfg b/wally/suits/io/io_scenario_hdd.cfg
index 46191f2..519fb0f 100644
--- a/wally/suits/io/io_scenario_hdd.cfg
+++ b/wally/suits/io/io_scenario_hdd.cfg
@@ -7,8 +7,9 @@
 softrandommap=1
 filename={FILENAME}
 NUM_ROUNDS=7
+NUMJOBS={% 1, 5, 10, 15, 20, 30, 40, 80, 120 %}
 
-size=10Gb
+size=10G
 ramp_time=5
 runtime=30
 
@@ -19,7 +20,7 @@
 blocksize=4k
 rw=randwrite
 sync=1
-numjobs={% 1, 5, 10, 15, 20, 30, 40, 80, 120 %}
+numjobs={NUMJOBS}
 
 # ---------------------------------------------------------------------
 # check different thread count, direct read mode. (latency, iops) = func(th_count)
@@ -29,18 +30,16 @@
 blocksize=4k
 rw=randread
 direct=1
-numjobs={% 1, 5, 10, 15, 20, 30, 40, 80, 120 %}
+numjobs={NUMJOBS}
 
 # ---------------------------------------------------------------------
-# check different thread count, direct read/write mode. (bw, iops) = func(th_count)
-# also check BW for seq read/write.
+# No reason for th count > 1 in case of sequantial operations
+# They became random
 # ---------------------------------------------------------------------
 [hdd_test_{TEST_SUMM} * {NUM_ROUNDS}]
 blocksize=1m
 rw={% read, write %}
 direct=1
-offset_increment=1073741824 # 1G
-numjobs={% 1, 5, 10, 15, 20, 30, 40, 80, 120 %}
 
 # ---------------------------------------------------------------------
 # check IOPS randwrite.
diff --git a/wally/suits/itest.py b/wally/suits/itest.py
index c5615bb..0062569 100644
--- a/wally/suits/itest.py
+++ b/wally/suits/itest.py
@@ -101,16 +101,17 @@
         self.config_params = test_options.get('params', {})
         self.tool = test_options.get('tool', 'fio')
         self.raw_cfg = open(self.config_fname).read()
-        self.configs = list(io_agent.parse_fio_config_full(self.raw_cfg,
-                                                           self.config_params))
+        self.configs = list(io_agent.parse_all_in_1(self.raw_cfg,
+                                                    self.config_params))
 
         cmd_log = os.path.join(self.log_directory, "task_compiled.cfg")
         raw_res = os.path.join(self.log_directory, "raw_results.txt")
 
         fio_command_file = open_for_append_or_create(cmd_log)
-        fio_command_file.write(io_agent.compile(self.raw_cfg,
-                                                self.config_params,
-                                                None))
+
+        cfg_s_it = io_agent.compile_all_in_1(self.raw_cfg, self.config_params)
+        splitter = "\n\n" + "-" * 60 + "\n\n"
+        fio_command_file.write(splitter.join(cfg_s_it))
         self.fio_raw_results_file = open_for_append_or_create(raw_res)
 
     def cleanup(self, conn):
@@ -140,22 +141,23 @@
         if self.options.get('prefill_files', True):
             files = {}
 
-            for secname, params in self.configs:
-                sz = ssize_to_b(params['size'])
+            for section in self.configs:
+                sz = ssize_to_b(section.vals['size'])
                 msz = sz / (1024 ** 2)
+
                 if sz % (1024 ** 2) != 0:
                     msz += 1
 
-                fname = params['filename']
+                fname = section.vals['filename']
 
                 # if already has other test with the same file name
                 # take largest size
                 files[fname] = max(files.get(fname, 0), msz)
 
             # logger.warning("dd run DISABLED")
-            # cmd_templ = "dd if=/dev/zero of={0} bs={1} count={2}"
+            cmd_templ = "dd if=/dev/zero of={0} bs={1} count={2}"
 
-            cmd_templ = "sudo dd if=/dev/zero of={0} bs={1} count={2}"
+            # cmd_templ = "sudo dd if=/dev/zero of={0} bs={1} count={2}"
             ssize = 0
             stime = time.time()
 
@@ -175,8 +177,8 @@
     def run(self, conn, barrier):
         # logger.warning("No tests runned")
         # return
-        cmd_templ = "sudo env python2 {0} {3} --type {1} {2} --json -"
-        # cmd_templ = "env python2 {0} --type {1} {2} --json -"
+        # cmd_templ = "sudo env python2 {0} --type {1} {2} --json -"
+        cmd_templ = "env python2 {0} --type {1} {2} --json -"
 
         params = " ".join("{0}={1}".format(k, v)
                           for k, v in self.config_params.items())
@@ -184,18 +186,10 @@
         if "" != params:
             params = "--params " + params
 
-        if self.options.get('cluster', False):
-            logger.info("Cluster mode is used")
-            cluster_opt = "--cluster"
-        else:
-            logger.info("Non-cluster mode is used")
-            cluster_opt = ""
-
-        cmd = cmd_templ.format(self.io_py_remote, self.tool, params,
-                               cluster_opt)
+        cmd = cmd_templ.format(self.io_py_remote, self.tool, params)
         logger.debug("Waiting on barrier")
 
-        exec_time = io_agent.estimate_cfg(self.raw_cfg, self.config_params)
+        exec_time = io_agent.calculate_execution_time(self.configs)
         exec_time_str = sec_to_str(exec_time)
 
         try: