346 lines
12 KiB
Python
346 lines
12 KiB
Python
#
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# Copyright (c) 2017, Intel Corporation.
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#
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# This program is free software; you can redistribute it and/or modify it
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# under the terms and conditions of the GNU General Public License,
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# version 2, as published by the Free Software Foundation.
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#
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# This program is distributed in the hope it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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# more details.
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#
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"""Handling of build perf test reports"""
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from collections import OrderedDict, Mapping, namedtuple
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from datetime import datetime, timezone
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from numbers import Number
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from statistics import mean, stdev, variance
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AggregateTestData = namedtuple('AggregateTestData', ['metadata', 'results'])
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def isofmt_to_timestamp(string):
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"""Convert timestamp string in ISO 8601 format into unix timestamp"""
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if '.' in string:
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dt = datetime.strptime(string, '%Y-%m-%dT%H:%M:%S.%f')
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else:
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dt = datetime.strptime(string, '%Y-%m-%dT%H:%M:%S')
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return dt.replace(tzinfo=timezone.utc).timestamp()
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def metadata_xml_to_json(elem):
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"""Convert metadata xml into JSON format"""
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assert elem.tag == 'metadata', "Invalid metadata file format"
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def _xml_to_json(elem):
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"""Convert xml element to JSON object"""
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out = OrderedDict()
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for child in elem.getchildren():
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key = child.attrib.get('name', child.tag)
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if len(child):
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out[key] = _xml_to_json(child)
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else:
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out[key] = child.text
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return out
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return _xml_to_json(elem)
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def results_xml_to_json(elem):
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"""Convert results xml into JSON format"""
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rusage_fields = ('ru_utime', 'ru_stime', 'ru_maxrss', 'ru_minflt',
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'ru_majflt', 'ru_inblock', 'ru_oublock', 'ru_nvcsw',
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'ru_nivcsw')
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iostat_fields = ('rchar', 'wchar', 'syscr', 'syscw', 'read_bytes',
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'write_bytes', 'cancelled_write_bytes')
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def _read_measurement(elem):
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"""Convert measurement to JSON"""
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data = OrderedDict()
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data['type'] = elem.tag
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data['name'] = elem.attrib['name']
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data['legend'] = elem.attrib['legend']
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values = OrderedDict()
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# SYSRES measurement
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if elem.tag == 'sysres':
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for subel in elem:
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if subel.tag == 'time':
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values['start_time'] = isofmt_to_timestamp(subel.attrib['timestamp'])
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values['elapsed_time'] = float(subel.text)
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elif subel.tag == 'rusage':
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rusage = OrderedDict()
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for field in rusage_fields:
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if 'time' in field:
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rusage[field] = float(subel.attrib[field])
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else:
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rusage[field] = int(subel.attrib[field])
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values['rusage'] = rusage
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elif subel.tag == 'iostat':
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values['iostat'] = OrderedDict([(f, int(subel.attrib[f]))
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for f in iostat_fields])
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elif subel.tag == 'buildstats_file':
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values['buildstats_file'] = subel.text
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else:
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raise TypeError("Unknown sysres value element '{}'".format(subel.tag))
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# DISKUSAGE measurement
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elif elem.tag == 'diskusage':
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values['size'] = int(elem.find('size').text)
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else:
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raise Exception("Unknown measurement tag '{}'".format(elem.tag))
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data['values'] = values
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return data
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def _read_testcase(elem):
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"""Convert testcase into JSON"""
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assert elem.tag == 'testcase', "Expecting 'testcase' element instead of {}".format(elem.tag)
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data = OrderedDict()
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data['name'] = elem.attrib['name']
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data['description'] = elem.attrib['description']
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data['status'] = 'SUCCESS'
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data['start_time'] = isofmt_to_timestamp(elem.attrib['timestamp'])
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data['elapsed_time'] = float(elem.attrib['time'])
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measurements = OrderedDict()
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for subel in elem.getchildren():
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if subel.tag == 'error' or subel.tag == 'failure':
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data['status'] = subel.tag.upper()
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data['message'] = subel.attrib['message']
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data['err_type'] = subel.attrib['type']
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data['err_output'] = subel.text
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elif subel.tag == 'skipped':
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data['status'] = 'SKIPPED'
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data['message'] = subel.text
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else:
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measurements[subel.attrib['name']] = _read_measurement(subel)
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data['measurements'] = measurements
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return data
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def _read_testsuite(elem):
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"""Convert suite to JSON"""
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assert elem.tag == 'testsuite', \
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"Expecting 'testsuite' element instead of {}".format(elem.tag)
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data = OrderedDict()
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if 'hostname' in elem.attrib:
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data['tester_host'] = elem.attrib['hostname']
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data['start_time'] = isofmt_to_timestamp(elem.attrib['timestamp'])
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data['elapsed_time'] = float(elem.attrib['time'])
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tests = OrderedDict()
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for case in elem.getchildren():
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tests[case.attrib['name']] = _read_testcase(case)
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data['tests'] = tests
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return data
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# Main function
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assert elem.tag == 'testsuites', "Invalid test report format"
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assert len(elem) == 1, "Too many testsuites"
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return _read_testsuite(elem.getchildren()[0])
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def aggregate_metadata(metadata):
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"""Aggregate metadata into one, basically a sanity check"""
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mutable_keys = ('pretty_name', 'version_id')
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def aggregate_obj(aggregate, obj, assert_str=True):
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"""Aggregate objects together"""
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assert type(aggregate) is type(obj), \
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"Type mismatch: {} != {}".format(type(aggregate), type(obj))
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if isinstance(obj, Mapping):
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assert set(aggregate.keys()) == set(obj.keys())
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for key, val in obj.items():
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aggregate_obj(aggregate[key], val, key not in mutable_keys)
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elif isinstance(obj, list):
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assert len(aggregate) == len(obj)
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for i, val in enumerate(obj):
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aggregate_obj(aggregate[i], val)
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elif not isinstance(obj, str) or (isinstance(obj, str) and assert_str):
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assert aggregate == obj, "Data mismatch {} != {}".format(aggregate, obj)
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if not metadata:
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return {}
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# Do the aggregation
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aggregate = metadata[0].copy()
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for testrun in metadata[1:]:
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aggregate_obj(aggregate, testrun)
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aggregate['testrun_count'] = len(metadata)
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return aggregate
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def aggregate_data(data):
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"""Aggregate multiple test results JSON structures into one"""
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mutable_keys = ('status', 'message', 'err_type', 'err_output')
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class SampleList(list):
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"""Container for numerical samples"""
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pass
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def new_aggregate_obj(obj):
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"""Create new object for aggregate"""
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if isinstance(obj, Number):
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new_obj = SampleList()
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new_obj.append(obj)
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elif isinstance(obj, str):
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new_obj = obj
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else:
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# Lists and and dicts are kept as is
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new_obj = obj.__class__()
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aggregate_obj(new_obj, obj)
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return new_obj
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def aggregate_obj(aggregate, obj, assert_str=True):
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"""Recursive "aggregation" of JSON objects"""
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if isinstance(obj, Number):
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assert isinstance(aggregate, SampleList)
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aggregate.append(obj)
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return
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assert type(aggregate) == type(obj), \
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"Type mismatch: {} != {}".format(type(aggregate), type(obj))
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if isinstance(obj, Mapping):
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for key, val in obj.items():
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if not key in aggregate:
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aggregate[key] = new_aggregate_obj(val)
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else:
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aggregate_obj(aggregate[key], val, key not in mutable_keys)
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elif isinstance(obj, list):
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for i, val in enumerate(obj):
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if i >= len(aggregate):
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aggregate[key] = new_aggregate_obj(val)
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else:
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aggregate_obj(aggregate[i], val)
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elif isinstance(obj, str):
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# Sanity check for data
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if assert_str:
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assert aggregate == obj, "Data mismatch {} != {}".format(aggregate, obj)
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else:
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raise Exception("BUG: unable to aggregate '{}' ({})".format(type(obj), str(obj)))
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if not data:
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return {}
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# Do the aggregation
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aggregate = data[0].__class__()
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for testrun in data:
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aggregate_obj(aggregate, testrun)
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return aggregate
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class MeasurementVal(float):
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"""Base class representing measurement values"""
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gv_data_type = 'number'
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def gv_value(self):
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"""Value formatting for visualization"""
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if self != self:
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return "null"
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else:
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return self
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class TimeVal(MeasurementVal):
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"""Class representing time values"""
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quantity = 'time'
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gv_title = 'elapsed time'
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gv_data_type = 'timeofday'
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def hms(self):
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"""Split time into hours, minutes and seconeds"""
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hhh = int(abs(self) / 3600)
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mmm = int((abs(self) % 3600) / 60)
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sss = abs(self) % 60
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return hhh, mmm, sss
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def __str__(self):
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if self != self:
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return "nan"
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hh, mm, ss = self.hms()
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sign = '-' if self < 0 else ''
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if hh > 0:
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return '{}{:d}:{:02d}:{:02.0f}'.format(sign, hh, mm, ss)
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elif mm > 0:
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return '{}{:d}:{:04.1f}'.format(sign, mm, ss)
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elif ss > 1:
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return '{}{:.1f} s'.format(sign, ss)
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else:
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return '{}{:.2f} s'.format(sign, ss)
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def gv_value(self):
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"""Value formatting for visualization"""
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if self != self:
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return "null"
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hh, mm, ss = self.hms()
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return [hh, mm, int(ss), int(ss*1000) % 1000]
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class SizeVal(MeasurementVal):
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"""Class representing time values"""
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quantity = 'size'
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gv_title = 'size in MiB'
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gv_data_type = 'number'
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def __str__(self):
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if self != self:
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return "nan"
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if abs(self) < 1024:
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return '{:.1f} kiB'.format(self)
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elif abs(self) < 1048576:
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return '{:.2f} MiB'.format(self / 1024)
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else:
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return '{:.2f} GiB'.format(self / 1048576)
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def gv_value(self):
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"""Value formatting for visualization"""
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if self != self:
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return "null"
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return self / 1024
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def measurement_stats(meas, prefix=''):
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"""Get statistics of a measurement"""
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if not meas:
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return {prefix + 'sample_cnt': 0,
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prefix + 'mean': MeasurementVal('nan'),
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prefix + 'stdev': MeasurementVal('nan'),
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prefix + 'variance': MeasurementVal('nan'),
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prefix + 'min': MeasurementVal('nan'),
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prefix + 'max': MeasurementVal('nan'),
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prefix + 'minus': MeasurementVal('nan'),
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prefix + 'plus': MeasurementVal('nan')}
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stats = {'name': meas['name']}
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if meas['type'] == 'sysres':
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val_cls = TimeVal
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values = meas['values']['elapsed_time']
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elif meas['type'] == 'diskusage':
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val_cls = SizeVal
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values = meas['values']['size']
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else:
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raise Exception("Unknown measurement type '{}'".format(meas['type']))
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stats['val_cls'] = val_cls
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stats['quantity'] = val_cls.quantity
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stats[prefix + 'sample_cnt'] = len(values)
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mean_val = val_cls(mean(values))
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min_val = val_cls(min(values))
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max_val = val_cls(max(values))
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stats[prefix + 'mean'] = mean_val
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if len(values) > 1:
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stats[prefix + 'stdev'] = val_cls(stdev(values))
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stats[prefix + 'variance'] = val_cls(variance(values))
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else:
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stats[prefix + 'stdev'] = float('nan')
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stats[prefix + 'variance'] = float('nan')
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stats[prefix + 'min'] = min_val
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stats[prefix + 'max'] = max_val
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stats[prefix + 'minus'] = val_cls(mean_val - min_val)
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stats[prefix + 'plus'] = val_cls(max_val - mean_val)
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return stats
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