def get_available_memory_metric():
""" Returns a derived gauge for available memory
Available memory is defined as memory that can be given instantly to
processes without the system going into swap.
:rtype: :class:`opencensus.metrics.export.gauge.DerivedLongGauge`
:return: The gauge representing the available memory metric
"""
gauge = DerivedLongGauge(AVAILABLE_MEMORY,
'Amount of available memory in bytes', 'byte', [])
gauge.create_default_time_series(get_available_memory)
return gauge
def get_process_private_bytes_metric():
""" Returns a derived gauge for private bytes for the current process
Private bytes for the current process is measured by the Resident Set
Size, which is the non-swapped physical memory a process has used.
:rtype: :class:`opencensus.metrics.export.gauge.DerivedLongGauge`
:return: The gauge representing the private bytes metric
"""
gauge = DerivedLongGauge(PRIVATE_BYTES,
'Amount of memory process has used in bytes',
'byte', [])
gauge.create_default_time_series(get_process_private_bytes)
return gauge
def __call__(self):
""" Returns a derived gauge for private bytes for the current process
Private bytes for the current process is measured by the Resident Set
Size, which is the non-swapped physical memory a process has used.
:rtype: :class:`opencensus.metrics.export.gauge.DerivedLongGauge`
:return: The gauge representing the private bytes metric
"""
gauge = DerivedLongGauge(ProcessMemoryMetric.NAME,
'Amount of memory process has used in bytes',
'byte', [])
gauge.create_default_time_series(ProcessMemoryMetric.get_value)
return gauge
def __call__(self):
""" Returns a derived gauge for available memory
Available memory is defined as memory that can be given instantly to
processes without the system going into swap.
:rtype: :class:`opencensus.metrics.export.gauge.DerivedLongGauge`
:return: The gauge representing the available memory metric
"""
gauge = DerivedLongGauge(AvailableMemoryMetric.NAME,
'Amount of available memory in bytes', 'byte',
[])
gauge.create_default_time_series(AvailableMemoryMetric.get_value)
return gauge