yandex-tank/yandextank/stepper/info.py
Alexey Lavrenuke 40706c55b8 yapf autoformat
2016-12-30 16:46:29 +03:00

143 lines
4.5 KiB
Python

import logging
import time
from collections import namedtuple
from sys import stdout
log = logging.getLogger(__name__)
StepperInfo = namedtuple(
'StepperInfo', 'loop_count,steps,loadscheme,duration,ammo_count,instances')
class StepperStatus(object):
'''
Raises StopIteration when limits are reached.
'''
def __init__(self):
self.core = None # dirty hack. StepperWrapper should pass core here.
self.info = {
'loop_count': 0,
'steps': None,
'loadscheme': None,
'duration': None,
'ammo_count': 0,
'instances': None,
}
self._ammo_count = 0
self._old_ammo_count = 0
self._loop_count = 0
self._af_position = None
self.af_size = None
self.loop_limit = None
self.ammo_limit = None
self.lp_len = None
self.lp_progress = 0
self.af_progress = 0
self._timer = time.time()
def publish(self, key, value):
if key not in self.info:
raise RuntimeError(
"Tried to publish to a non-existent key: %s" % key)
log.debug('Published %s to %s', value, key)
self.info[key] = value
@property
def af_position(self):
return self._af_position
@af_position.setter
def af_position(self, value):
self._af_position = value
self.update_af_progress()
@property
def ammo_count(self):
return self._ammo_count
@ammo_count.setter
def ammo_count(self, value):
self._ammo_count = value
self.update_lp_progress()
if self.ammo_limit and value > self.ammo_limit:
print
log.info("Ammo limit reached: %s", self.ammo_limit)
raise StopIteration
def inc_ammo_count(self):
self.ammo_count += 1
@property
def loop_count(self):
return self._loop_count
@loop_count.setter
def loop_count(self, value):
self._loop_count = value
if self.loop_limit and value >= self.loop_limit:
print # do not overwrite status (go to new line)
log.info("Loop limit reached: %s", self.loop_limit)
raise StopIteration
def inc_loop_count(self):
self.loop_count += 1
def get_info(self):
self.info['ammo_count'] = self._ammo_count
self.info['loop_count'] = self._loop_count
for key in self.info:
if self.info[key] is None:
raise RuntimeError(
"Information for %s is not published yet." % key)
return StepperInfo(**self.info)
def update_view(self):
ammo_generated = self._ammo_count - self._old_ammo_count
self._old_ammo_count = self._ammo_count
cur_time = time.time()
time_delta = cur_time - self._timer
self._timer = cur_time
if time_delta > 0:
stdout.write(
"AF: %3s%%, LP: %3s%%, loops: %10s, speed: %5s Krps\r" % (
self.af_progress, self.lp_progress, self.loop_count,
int(ammo_generated / time_delta / 1000.0)))
stdout.flush()
if self.core:
self.core.publish("stepper", "progress", self.lp_progress)
self.core.publish("stepper", "loop_count", self.loop_count)
self.core.publish(
"stepper", "speed",
"%s Krps" % int(ammo_generated / time_delta / 1000.0))
def update_af_progress(self):
if self.af_size and self.loop_limit and self.af_position is not None:
bytes_read = self.af_size * self.loop_count + self.af_position
total_bytes = self.af_size * self.loop_limit
progress = int(float(bytes_read) / float(total_bytes) * 100.0)
else:
progress = 100
if self.af_progress != progress:
self.af_progress = progress
self.update_view()
def update_lp_progress(self):
if self.ammo_limit or self.lp_len:
if self.ammo_limit:
if self.lp_len:
max_ammo = min(self.ammo_limit, self.lp_len)
else:
max_ammo = self.ammo_limit
else:
max_ammo = self.lp_len
progress = int(float(self.ammo_count) / float(max_ammo) * 100.0)
else:
progress = 100
if self.lp_progress != progress:
self.lp_progress = progress
self.update_view()
status = StepperStatus()