99211307c5
This patch aims to add two metrics to gather memory buffer and memory cache information of a physical machine through SNMP inspector. Change-Id: Id9b953820a1e38c0f832405359a25015b6f20017 Implements: blueprint hardware-memory-buffer-and-cache-metrics
63 lines
1.8 KiB
Python
63 lines
1.8 KiB
Python
#
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# Copyright 2013 ZHAW SoE
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# Copyright 2014 Intel Corp.
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#
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# Authors: Lucas Graf <graflu0@students.zhaw.ch>
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# Toni Zehnder <zehndton@students.zhaw.ch>
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# Lianhao Lu <lianhao.lu@intel.com>
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from ceilometer.hardware import plugin
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from ceilometer.hardware.pollsters import util
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from ceilometer import sample
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class _Base(plugin.HardwarePollster):
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CACHE_KEY = 'memory'
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def generate_one_sample(self, host, c_data):
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value, metadata, extra = c_data
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return util.make_sample_from_host(host,
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name=self.IDENTIFIER,
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sample_type=sample.TYPE_GAUGE,
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unit='B',
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volume=value,
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res_metadata=metadata,
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extra=extra)
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class MemoryTotalPollster(_Base):
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IDENTIFIER = 'memory.total'
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class MemoryUsedPollster(_Base):
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IDENTIFIER = 'memory.used'
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class MemorySwapTotalPollster(_Base):
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IDENTIFIER = 'memory.swap.total'
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class MemorySwapAvailPollster(_Base):
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IDENTIFIER = 'memory.swap.avail'
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class MemoryBufferPollster(_Base):
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IDENTIFIER = 'memory.buffer'
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class MemoryCachedPollster(_Base):
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IDENTIFIER = 'memory.cached'
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