def poll(self):
"""
Measure current stats value and return new stats.
"""
Monitor.poll(self)
# create new, empty event
#
current = {
# the UTC timestamp when measurement was taken
u'timestamp': utcnow(),
# the effective last period in secods
u'last_period': self._last_period,
}
# FIXME: add ratio of ram usage
with open("/proc/meminfo") as f:
res = f.read()
new = res.split()
new_clean = [x.replace(":", "") for x in new if x != 'kB']
for i in range(0, len(new_clean), 2):
k = u'{}'.format(new_clean[i])
current[k] = int(new_clean[i + 1])
self._last_value = current
return succeed(self._last_value)
def poll(self):
"""
Measure current stats value and return new stats.
"""
hdata = Monitor.poll(self)
start = perf_counter_ns()
devices = {}
usage = {}
counters = psutil.disk_io_counters(True)
for dev in psutil.disk_partitions():
if dev.device.startswith('/dev/loop'):
continue
key = dev.device.split('/')[-1]
if key not in devices:
if key in counters:
devices[key] = dict(dev._asdict(),
**counters[key]._asdict())
else:
devices[key] = dev._asdict()
usage[key] = psutil.disk_usage(dev.mountpoint)._asdict()
hdata['devices'] = devices
hdata['usage'] = usage
hdata[u'elapsed'] = perf_counter_ns() - start
self._last_value = hdata
return hdata
def poll(self):
hdata = Monitor.poll(self)
start = perf_counter_ns()
hdata['cpu'] = psutil.cpu_times_percent()._asdict()
hdata['memory'] = psutil.virtual_memory()._asdict()
hdata['loadavg'] = os.getloadavg()
# uptime, as all durations, is in ns
hdata['uptime'] = int(hdata['timestamp'] - psutil.boot_time() * 10**10)
hdata[u'elapsed'] = perf_counter_ns() - start
self._last_value = hdata
return hdata
def poll(self, sensors=[]):
"""
Measure current stats value and return new stats.
"""
hdata = Monitor.poll(self)
start = perf_counter_ns()
hdata['io_counters'] = self._process.io_counters()._asdict()
hdata['cpu_times'] = self._process.cpu_times()._asdict()
a = round(((self._process.cpu_times().user + self._process.cpu_times().system) * 100) /
(time.time() - self._process.create_time()), 3)
hdata['percent'] = a
for sensor in sensors:
hdata[sensor.ID] = sensor._elapsed
hdata[u'elapsed'] = perf_counter_ns() - start
self._last_value = hdata
return hdata
def poll(self):
"""
Measure current stats value and return new stats.
"""
hdata = Monitor.poll(self)
start = perf_counter_ns()
counters = {}
io_counters = psutil.net_io_counters(True)
for dev in io_counters:
if dev.startswith('virbr') or dev.startswith(
'lo') or dev.startswith('docker'):
continue
counters[dev] = io_counters[dev]._asdict()
hdata['net_io_counters'] = counters
hdata['net_if_addrs'] = psutil.net_if_addrs()
hdata[u'elapsed'] = perf_counter_ns() - start
self._last_value = hdata
return hdata
def poll(self):
"""
Measure current stats value and return new stats.
"""
hdata = Monitor.poll(self)
start = perf_counter_ns()
battery = None
bat = psutil.sensors_battery()
if bat:
battery = bat._asdict()
fans = []
for key, val in (psutil.sensors_fans() or {}).items():
for item in val:
item = item._asdict()
item['device'] = key
fans.append(item)
temperatures = []
for key, val in (psutil.sensors_temperatures() or {}).items():
for item in val:
item = item._asdict()
item['device'] = key
temperatures.append(item)
hdata['battery'] = battery
hdata['fans'] = fans
hdata['temperatures'] = temperatures
hdata[u'elapsed'] = perf_counter_ns() - start
self._last_value = hdata
return hdata
def poll(self):
"""
Measure current stats value and return new stats.
"""
Monitor.poll(self)
return deferToThread(self._poll)
def poll(self):
"""
Measure current stats value and return new stats.
"""
Monitor.poll(self)
# create new, empty event
#
current = {
# the UTC timestamp when measurement was taken
u'timestamp': utcnow(),
# the effective last period in secods
u'last_period': self._last_period,
# storage subsystem measurements
u'subsystems': []
}
# normalize with effective period
diff = self._last_period or 1.
# get IO stats per device from procfs (/sys/block/<device>/stat)
# see: https://www.kernel.org/doc/Documentation/block/stat.txt
#
for device in self._devices:
with open('/sys/block/{}/stat'.format(device)) as fd:
res = fd.read()
new = [int(s.strip()) for s in res.split()]
if not self._last[device]:
self._last[device] = new
last = self._last[device]
self._values[device] = {
u'read_ios': int((new[0] - last[0]) / diff),
u'read_merges': int((new[1] - last[1]) / diff),
u'read_bytes': int(512 * (new[2] - last[2]) / diff),
u'read_ticks': int((new[3] - last[3]) / diff),
u'write_ios': int((new[4] - last[4]) / diff),
u'write_merges': int((new[5] - last[5]) / diff),
u'write_bytes': int(512 * (new[6] - last[6]) / diff),
u'write_ticks': int((new[7] - last[7]) / diff),
u'in_flight': new[8],
u'io_ticks': int((new[9] - last[9]) / diff),
u'time_in_queue': int((new[10] - last[10]) / diff)
}
self._last[device] = new
# transform raw measurements into target event structure
#
for subsys in self._storage:
subsystem = {u'id': subsys[u'id'], u'devices': []}
for device_id, device_label in subsys[u'devices']:
values = self._values[device_id]
device = {
u'id': device_id,
u'type': device_label,
u'read_ios': values['read_ios'],
u'read_bytes': values['read_bytes'],
u'read_ms': values['read_ticks'],
u'write_ios': values['write_ios'],
u'write_bytes': values['write_bytes'],
u'write_ms': values['write_ticks'],
u'in_flight': values['in_flight'],
u'active_ms': values['io_ticks'],
u'wait_ms': values['time_in_queue'],
}
subsystem[u'devices'].append(device)
current[u'subsystems'].append(subsystem)
self._last_value = current
return self._last_value
def poll(self):
"""
Measure current stats value and return new stats.
"""
Monitor.poll(self)
# create new, empty event
#
current = {
# the UTC timestamp when measurement was taken
u'timestamp': utcnow(),
# the effective last period in secods
u'last_period': self._last_period,
# readings per CPU socket
u'sockets': []
}
# fill in per-socket/per-core structures
#
for i in range(len(self._sockets)):
socket = {
# sequentially numbered socket ID
u'id': i,
# physical socket ID
u'physical_id': self._sockets[i][0],
# CPU socket temperature
u'temperature': None,
# CPU cores on this socket
u'cores': []
}
for j in range(len(self._sockets[i][1])):
core = {
# sequentially numbered core ID
u'id': j,
# physical core ID on this socket
u'physical_id': self._sockets[i][1][j],
# CPU core load
u'user': None,
u'system': None,
u'nice': None,
u'idle': None,
u'iowait': None,
u'irq': None,
u'softirq': None,
u'steal': None,
u'total': None,
# CPU core frequency
u'frequency': None,
# CPU core temperature
u'temperature': None
}
socket[u'cores'].append(core)
current[u'sockets'].append(socket)
# get current CPU load (via psutil)
#
cpu_now = psutil.cpu_times(percpu=True)
if not self._cpu_last:
self._cpu_last = cpu_now
else:
for i in range(len(cpu_now)):
socket_id, core_id = self._physid_to_id[self._processors[i]]
core = current[u'sockets'][socket_id][u'cores'][core_id]
digits = 8
# CPU core load stats
core[u'user'] = round(cpu_now[i].user - self._cpu_last[i].user,
digits)
core[u'system'] = round(
cpu_now[i].system - self._cpu_last[i].system, digits)
core[u'nice'] = round(cpu_now[i].nice - self._cpu_last[i].nice,
digits)
core[u'idle'] = round(cpu_now[i].idle - self._cpu_last[i].idle,
digits)
core[u'iowait'] = round(
cpu_now[i].iowait - self._cpu_last[i].iowait, digits)
core[u'irq'] = round(cpu_now[i].irq - self._cpu_last[i].irq,
digits)
core[u'softirq'] = round(
cpu_now[i].softirq - self._cpu_last[i].softirq, digits)
core[u'steal'] = round(
cpu_now[i].steal - self._cpu_last[i].steal, digits)
# total CPU core load (= user + nice + system)
core[u'total'] = round(
(cpu_now[i].user + cpu_now[i].nice + cpu_now[i].system) -
(self._cpu_last[i].user + self._cpu_last[i].nice +
self._cpu_last[i].system), digits)
# normalize with effective period
diff = self._last_period or 1.
for k in core:
if (k != 'id' and k != 'physical_id' and k != 'frequency'
and k != 'temperature'):
core[k] = round(core[k] / diff, digits)
self._cpu_last = cpu_now
# get current CPU frequency (from procfs)
#
with open('/proc/cpuinfo', 'r') as fd:
physical_socket_id = None
physical_core_id = None
frequency = None
for line in fd.readlines():
line = line.strip()
if line == "":
socket_id, core_id = self._physid_to_id[(
physical_socket_id, physical_core_id)]
core = current[u'sockets'][socket_id][u'cores'][core_id]
core[u'frequency'] = frequency
else:
key, value = line.split(':')
key = key.strip()
value = value.strip()
if key == "physical id":
physical_socket_id = int(value)
elif key == "core id":
physical_core_id = int(value)
elif key == "cpu MHz":
frequency = float(value)
# get current CPU temperature (via /usr/bin/sensors)
#
res = yield getProcessOutput('/usr/bin/sensors')
physical_socket_id = None
physical_core_id = None
# socket_temperature = None
core_temperature = -1
for line in res.splitlines():
line = line.strip()
if line == "":
pass
else:
if line.startswith("Physical"):
key, value = line.split(':')
match = self._PATH_SENSORS_PHYS_SOCKET_ID.match(key)
if match:
physical_socket_id = int(match.groups()[0])
value = value.strip()
# socket_temperature = float(value[1:5])
elif line.startswith("Core"):
key, value = line.split(':')
match = self._PATH_SENSORS_PHYS_CORE_ID.match(key)
if match:
physical_core_id = int(match.groups()[0])
value = value.strip()
core_temperature = float(value[1:5])
socket_id, core_id = self._physid_to_id[(
physical_socket_id, physical_core_id)]
core = current[u'sockets'][socket_id][u'cores'][
core_id]
core[u'temperature'] = core_temperature
self._last_value = current
returnValue(self._last_value)