def target_workload_events(self):
# special event indicates the start of workload
barriergen = BarrierGen(self.conf.ssd_ncq_depth())
yield hostevent.ControlEvent(operation=OP_ENABLE_RECORDER)
for req in barriergen.barrier_events():
yield req
yield hostevent.ControlEvent(operation=OP_REC_TIMESTAMP,
arg1='interest_workload_start')
workload_line_iter = hostevent.FileLineIterator(self.ftlsim_event_path)
event_workload_iter = hostevent.EventIterator(self.conf,
workload_line_iter)
total_rw_bytes = 0
for event in event_workload_iter:
yield event
if event.operation in [OP_READ, OP_WRITE] and event.action == 'D':
total_rw_bytes += event.size
if total_rw_bytes >= self.stop_on_bytes:
print 'break! stop on ', self.stop_on_bytes / MB
break
for req in barriergen.barrier_events():
yield req
yield hostevent.ControlEvent(operation=OP_REC_TIMESTAMP,
arg1='interest_workload_end')
def prepfs_events(self):
prepfs_line_iter = hostevent.FileLineIterator(self.mkfs_event_path)
event_prepfs_iter = hostevent.EventIterator(self.conf,
prepfs_line_iter)
for event in event_prepfs_iter:
yield event
def prepfs_events(self):
prepfs_line_iter = hostevent.FileLineIterator(
self.conf.get_ftlsim_events_output_path_mkfs())
event_prepfs_iter = hostevent.EventIterator(self.conf, prepfs_line_iter)
for event in event_prepfs_iter:
yield event
def gen_ncq_depth_table_from_event(self):
if self.conf["workload_src"] == config.LBAGENERATOR:
event_file_path = self.conf["lba_workload_configs"]["ftlsim_event_path"]
else:
event_file_path = self.conf.get_ftlsim_events_output_path()
workload_line_iter = hostevent.FileLineIterator(event_file_path)
event_workload_iter = hostevent.EventIterator(self.conf, workload_line_iter)
parser = EventNCQParser(event_workload_iter)
table = parser.parse()
ncq_depth_table_path = os.path.join(self.conf['result_dir'],
'ncq_depth_timeline.txt')
with open(ncq_depth_table_path, 'w') as f:
f.write(utils.table_to_str(table, width=0))
def test(self):
# blkparse-events-for-ftlsim.txt
conf = ConfigNCQFTL()
workload_line_iter = hostevent.FileLineIterator(
"tests/testdata/blkparse-events-for-ftlsim.txt")
event_workload_iter = hostevent.EventIterator(conf, workload_line_iter)
# for event in event_workload_iter:
# print str(event)
parser = EventNCQParser(event_workload_iter)
table = parser.parse()
self.assertEqual(table[0]['pre_depth'], 0)
self.assertEqual(table[0]['post_depth'], 1)
self.assertEqual(table[1]['pre_depth'], 1)
self.assertEqual(table[1]['post_depth'], 0)
def target_workload_events(self):
# special event indicates the start of workload
barriergen = BarrierGen(self.conf.ssd_ncq_depth())
yield hostevent.ControlEvent(operation=OP_ENABLE_RECORDER)
for req in barriergen.barrier_events():
yield req
yield hostevent.ControlEvent(operation=OP_REC_TIMESTAMP,
arg1='interest_workload_start')
workload_line_iter = hostevent.FileLineIterator(
self.conf.get_ftlsim_events_output_path())
event_workload_iter = hostevent.EventIterator(self.conf, workload_line_iter)
for event in event_workload_iter:
yield event
for req in barriergen.barrier_events():
yield req
yield hostevent.ControlEvent(operation=OP_REC_TIMESTAMP,
arg1='interest_workload_end')