def get_temp_sensor(sensor_names, reduce_fn=mean, log=None):
""" Get temperature sensor reading from X4xx. """
temps = []
try:
for sensor_name in sensor_names:
temp_raw = read_thermal_sensor_value(sensor_name, 'in_temp_raw',
'iio', 'name')
temp_offset = read_thermal_sensor_value(sensor_name,
'in_temp_offset', 'iio',
'name')
temp_scale = read_thermal_sensor_value(sensor_name,
'in_temp_scale', 'iio',
'name')
# sysfs-bus-iio linux kernel API reports temp in milli deg C
# https://www.kernel.org/doc/Documentation/ABI/testing/sysfs-bus-iio
temp_in_deg_c = (temp_raw + temp_offset) * temp_scale / 1000
temps.append(temp_in_deg_c)
except ValueError:
if log:
log.warning("Error when converting temperature value.")
temps = [-1]
except KeyError:
if log:
log.warning("Can't read %s temp sensor fron iio sub-system.",
str(sensor_name))
temps = [-1]
return {
'name': 'temperature',
'type': 'REALNUM',
'unit': 'C',
'value': str(reduce_fn(temps))
}
def get_fan_sensor(self):
"""
Return a sensor dictionary containing the RPM of the cooling device/fan0
"""
self.log.trace("Reading cooling device.")
return_val = '-1'
try:
raw_val = read_thermal_sensor_value('Fan', 'cur_state')
return_val = str(raw_val)
except ValueError:
self.log.warning("Error when converting fan speed value")
except KeyError:
self.log.warning("Can't read cur_state on Fan")
return {
'name': 'cooling fan',
'unit': 'rpm',
'type': 'INTEGER',
'value': return_val
}
def get_fan_sensor(self):
"""
Get cooling device reading of N3xx. In this case the speed of fan 0.
"""
self.log.trace("Reading fpga cooling device.")
return_val = '-1'
try:
raw_val = read_thermal_sensor_value('ec-fan0', 'cur_state')
return_val = str(raw_val)
except ValueError:
self.log.warning("Error when converting fan speed value")
except KeyError:
self.log.warning("Can't read cur_state on ec-fan0")
return {
'name': 'cooling fan',
'type': 'INTEGER',
'unit': 'rpm',
'value': return_val
}
def get_temp_sensor(self):
"""
Get temperature sensor reading of the N3xx.
"""
self.log.trace("Reading fpga temperature.")
return_val = '-1'
try:
raw_val = read_thermal_sensor_value('fpga-thermal-zone', 'temp')
return_val = str(raw_val / 1000)
except ValueError:
self.log.warning("Error when converting temperature value")
except KeyError:
self.log.warning("Can't read temp on fpga-thermal-zone")
return {
'name': 'temperature',
'type': 'REALNUM',
'unit': 'C',
'value': return_val
}
def get_fan_sensor(self):
"""
Return a sensor dictionary containing the RPM of the cooling device/fan0
"""
self.log.trace("Reading cooling device.")
return_val = '-1'
try:
raw_val = read_thermal_sensor_value('Fan', 'cur_state')
return_val = str(raw_val)
except ValueError:
self.log.warning("Error when converting fan speed value")
except KeyError:
self.log.warning("Can't read cur_state on Fan")
return {
'name': 'cooling fan',
'unit': 'rpm',
'type': 'INTEGER',
'value': return_val
}
def get_fan_sensor(self):
"""
Get cooling device reading of N3xx. In this case the speed of fan 0.
"""
self.log.trace("Reading FPGA cooling device.")
return_val = '-1'
try:
raw_val = read_thermal_sensor_value('ec-fan0', 'cur_state')
return_val = str(raw_val)
except ValueError:
self.log.warning("Error when converting fan speed value")
except KeyError:
self.log.warning("Can't read cur_state on ec-fan0")
return {
'name': 'cooling fan',
'type': 'INTEGER',
'unit': 'rpm',
'value': return_val
}
def get_temp_sensor(self):
"""
Get temperature sensor reading of the N3xx.
"""
self.log.trace("Reading FPGA temperature.")
return_val = '-1'
try:
raw_val = read_thermal_sensor_value('fpga-thermal-zone', 'temp')
return_val = str(raw_val/1000)
except ValueError:
self.log.warning("Error when converting temperature value")
except KeyError:
self.log.warning("Can't read temp on fpga-thermal-zone")
return {
'name': 'temperature',
'type': 'REALNUM',
'unit': 'C',
'value': return_val
}
