82 lines
3.5 KiB
Python
82 lines
3.5 KiB
Python
# Copyright 2016 Intel
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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.compute.pollsters import instance_stats
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from ceilometer.compute.virt import inspector as virt_inspector
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from ceilometer.polling import manager
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from ceilometer.tests.unit.compute.pollsters import base
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class TestPerfPollster(base.TestPollsterBase):
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def test_get_samples(self):
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self._mock_inspect_instance(
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virt_inspector.InstanceStats(cpu_cycles=7259361,
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instructions=8815623,
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cache_references=74184,
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cache_misses=16737)
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)
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mgr = manager.AgentManager(0, self.CONF)
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cache = {}
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def _check_perf_events_cpu_cycles(expected_usage):
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pollster = instance_stats.PerfCPUCyclesPollster(self.CONF)
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samples = list(pollster.get_samples(mgr, cache, [self.instance]))
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self.assertEqual(1, len(samples))
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self.assertEqual(set(['perf.cpu.cycles']),
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set([s.name for s in samples]))
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self.assertEqual(expected_usage, samples[0].volume)
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def _check_perf_events_instructions(expected_usage):
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pollster = instance_stats.PerfInstructionsPollster(self.CONF)
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samples = list(pollster.get_samples(mgr, cache, [self.instance]))
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self.assertEqual(1, len(samples))
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self.assertEqual(set(['perf.instructions']),
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set([s.name for s in samples]))
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self.assertEqual(expected_usage, samples[0].volume)
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def _check_perf_events_cache_references(expected_usage):
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pollster = instance_stats.PerfCacheReferencesPollster(
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self.CONF)
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samples = list(pollster.get_samples(mgr, cache, [self.instance]))
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self.assertEqual(1, len(samples))
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self.assertEqual(set(['perf.cache.references']),
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set([s.name for s in samples]))
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self.assertEqual(expected_usage, samples[0].volume)
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def _check_perf_events_cache_misses(expected_usage):
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pollster = instance_stats.PerfCacheMissesPollster(self.CONF)
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samples = list(pollster.get_samples(mgr, cache, [self.instance]))
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self.assertEqual(1, len(samples))
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self.assertEqual(set(['perf.cache.misses']),
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set([s.name for s in samples]))
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self.assertEqual(expected_usage, samples[0].volume)
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_check_perf_events_cpu_cycles(7259361)
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_check_perf_events_instructions(8815623)
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_check_perf_events_cache_references(74184)
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_check_perf_events_cache_misses(16737)
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def test_get_samples_with_empty_stats(self):
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self._mock_inspect_instance(virt_inspector.NoDataException())
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mgr = manager.AgentManager(0, self.CONF)
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pollster = instance_stats.PerfCPUCyclesPollster(self.CONF)
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def all_samples():
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return list(pollster.get_samples(mgr, {}, [self.instance]))
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