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|
#!/usr/bin/python3
#
# Examine build performance test results
#
# Copyright (c) 2017, Intel Corporation.
#
# This program is free software; you can redistribute it and/or modify it
# under the terms and conditions of the GNU General Public License,
# version 2, as published by the Free Software Foundation.
#
# This program is distributed in the hope it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
# more details.
#
import argparse
import json
import logging
import os
import re
import sys
from collections import namedtuple, OrderedDict
from operator import attrgetter
from xml.etree import ElementTree as ET
# Import oe libs
scripts_path = os.path.dirname(os.path.realpath(__file__))
sys.path.append(os.path.join(scripts_path, 'lib'))
import scriptpath
from build_perf import print_table
from build_perf.report import (metadata_xml_to_json, results_xml_to_json,
aggregate_data, aggregate_metadata, measurement_stats,
AggregateTestData)
from build_perf import html
from buildstats import BuildStats, diff_buildstats, BSVerDiff
scriptpath.add_oe_lib_path()
from oeqa.utils.git import GitRepo, GitError
# Setup logging
logging.basicConfig(level=logging.INFO, format="%(levelname)s: %(message)s")
log = logging.getLogger('oe-build-perf-report')
# Container class for tester revisions
TestedRev = namedtuple('TestedRev', 'commit commit_number tags')
def get_test_runs(repo, tag_name, **kwargs):
"""Get a sorted list of test runs, matching given pattern"""
# First, get field names from the tag name pattern
field_names = [m.group(1) for m in re.finditer(r'{(\w+)}', tag_name)]
undef_fields = [f for f in field_names if f not in kwargs.keys()]
# Fields for formatting tag name pattern
str_fields = dict([(f, '*') for f in field_names])
str_fields.update(kwargs)
# Get a list of all matching tags
tag_pattern = tag_name.format(**str_fields)
tags = repo.run_cmd(['tag', '-l', tag_pattern]).splitlines()
log.debug("Found %d tags matching pattern '%s'", len(tags), tag_pattern)
# Parse undefined fields from tag names
str_fields = dict([(f, r'(?P<{}>[\w\-.()]+)'.format(f)) for f in field_names])
str_fields['branch'] = r'(?P<branch>[\w\-.()/]+)'
str_fields['commit'] = '(?P<commit>[0-9a-f]{7,40})'
str_fields['commit_number'] = '(?P<commit_number>[0-9]{1,7})'
str_fields['tag_number'] = '(?P<tag_number>[0-9]{1,5})'
# escape parenthesis in fields in order to not messa up the regexp
fixed_fields = dict([(k, v.replace('(', r'\(').replace(')', r'\)')) for k, v in kwargs.items()])
str_fields.update(fixed_fields)
tag_re = re.compile(tag_name.format(**str_fields))
# Parse fields from tags
revs = []
for tag in tags:
m = tag_re.match(tag)
groups = m.groupdict()
revs.append([groups[f] for f in undef_fields] + [tag])
# Return field names and a sorted list of revs
return undef_fields, sorted(revs)
def list_test_revs(repo, tag_name, verbosity, **kwargs):
"""Get list of all tested revisions"""
valid_kwargs = dict([(k, v) for k, v in kwargs.items() if v is not None])
fields, revs = get_test_runs(repo, tag_name, **valid_kwargs)
ignore_fields = ['tag_number']
if verbosity < 2:
extra_fields = ['COMMITS', 'TEST RUNS']
ignore_fields.extend(['commit_number', 'commit'])
else:
extra_fields = ['TEST RUNS']
print_fields = [i for i, f in enumerate(fields) if f not in ignore_fields]
# Sort revs
rows = [[fields[i].upper() for i in print_fields] + extra_fields]
prev = [''] * len(print_fields)
prev_commit = None
commit_cnt = 0
commit_field = fields.index('commit')
for rev in revs:
# Only use fields that we want to print
cols = [rev[i] for i in print_fields]
if cols != prev:
commit_cnt = 1
test_run_cnt = 1
new_row = [''] * (len(print_fields) + len(extra_fields))
for i in print_fields:
if cols[i] != prev[i]:
break
new_row[i:-len(extra_fields)] = cols[i:]
rows.append(new_row)
else:
if rev[commit_field] != prev_commit:
commit_cnt += 1
test_run_cnt += 1
if verbosity < 2:
new_row[-2] = commit_cnt
new_row[-1] = test_run_cnt
prev = cols
prev_commit = rev[commit_field]
print_table(rows)
def get_test_revs(repo, tag_name, **kwargs):
"""Get list of all tested revisions"""
fields, runs = get_test_runs(repo, tag_name, **kwargs)
revs = {}
commit_i = fields.index('commit')
commit_num_i = fields.index('commit_number')
for run in runs:
commit = run[commit_i]
commit_num = run[commit_num_i]
tag = run[-1]
if not commit in revs:
revs[commit] = TestedRev(commit, commit_num, [tag])
else:
assert commit_num == revs[commit].commit_number, "Commit numbers do not match"
revs[commit].tags.append(tag)
# Return in sorted table
revs = sorted(revs.values(), key=attrgetter('commit_number'))
log.debug("Found %d tested revisions:\n %s", len(revs),
"\n ".join(['{} ({})'.format(rev.commit_number, rev.commit) for rev in revs]))
return revs
def rev_find(revs, attr, val):
"""Search from a list of TestedRev"""
for i, rev in enumerate(revs):
if getattr(rev, attr) == val:
return i
raise ValueError("Unable to find '{}' value '{}'".format(attr, val))
def is_xml_format(repo, commit):
"""Check if the commit contains xml (or json) data"""
if repo.rev_parse(commit + ':results.xml'):
log.debug("Detected report in xml format in %s", commit)
return True
else:
log.debug("No xml report in %s, assuming json formatted results", commit)
return False
def read_results(repo, tags, xml=True):
"""Read result files from repo"""
def parse_xml_stream(data):
"""Parse multiple concatenated XML objects"""
objs = []
xml_d = ""
for line in data.splitlines():
if xml_d and line.startswith('<?xml version='):
objs.append(ET.fromstring(xml_d))
xml_d = line
else:
xml_d += line
objs.append(ET.fromstring(xml_d))
return objs
def parse_json_stream(data):
"""Parse multiple concatenated JSON objects"""
objs = []
json_d = ""
for line in data.splitlines():
if line == '}{':
json_d += '}'
objs.append(json.loads(json_d, object_pairs_hook=OrderedDict))
json_d = '{'
else:
json_d += line
objs.append(json.loads(json_d, object_pairs_hook=OrderedDict))
return objs
num_revs = len(tags)
# Optimize by reading all data with one git command
log.debug("Loading raw result data from %d tags, %s...", num_revs, tags[0])
if xml:
git_objs = [tag + ':metadata.xml' for tag in tags] + [tag + ':results.xml' for tag in tags]
data = parse_xml_stream(repo.run_cmd(['show'] + git_objs + ['--']))
return ([metadata_xml_to_json(e) for e in data[0:num_revs]],
[results_xml_to_json(e) for e in data[num_revs:]])
else:
git_objs = [tag + ':metadata.json' for tag in tags] + [tag + ':results.json' for tag in tags]
data = parse_json_stream(repo.run_cmd(['show'] + git_objs + ['--']))
return data[0:num_revs], data[num_revs:]
def get_data_item(data, key):
"""Nested getitem lookup"""
for k in key.split('.'):
data = data[k]
return data
def metadata_diff(metadata_l, metadata_r):
"""Prepare a metadata diff for printing"""
keys = [('Hostname', 'hostname', 'hostname'),
('Branch', 'branch', 'layers.meta.branch'),
('Commit number', 'commit_num', 'layers.meta.commit_count'),
('Commit', 'commit', 'layers.meta.commit'),
('Number of test runs', 'testrun_count', 'testrun_count')
]
def _metadata_diff(key):
"""Diff metadata from two test reports"""
try:
val1 = get_data_item(metadata_l, key)
except KeyError:
val1 = '(N/A)'
try:
val2 = get_data_item(metadata_r, key)
except KeyError:
val2 = '(N/A)'
return val1, val2
metadata = OrderedDict()
for title, key, key_json in keys:
value_l, value_r = _metadata_diff(key_json)
metadata[key] = {'title': title,
'value_old': value_l,
'value': value_r}
return metadata
def print_diff_report(metadata_l, data_l, metadata_r, data_r):
"""Print differences between two data sets"""
# First, print general metadata
print("\nTEST METADATA:\n==============")
meta_diff = metadata_diff(metadata_l, metadata_r)
rows = []
row_fmt = ['{:{wid}} ', '{:<{wid}} ', '{:<{wid}}']
rows = [['', 'CURRENT COMMIT', 'COMPARING WITH']]
for key, val in meta_diff.items():
# Shorten commit hashes
if key == 'commit':
rows.append([val['title'] + ':', val['value'][:20], val['value_old'][:20]])
else:
rows.append([val['title'] + ':', val['value'], val['value_old']])
print_table(rows, row_fmt)
# Print test results
print("\nTEST RESULTS:\n=============")
tests = list(data_l['tests'].keys())
# Append tests that are only present in 'right' set
tests += [t for t in list(data_r['tests'].keys()) if t not in tests]
# Prepare data to be printed
rows = []
row_fmt = ['{:8}', '{:{wid}}', '{:{wid}}', ' {:>{wid}}', ' {:{wid}} ', '{:{wid}}',
' {:>{wid}}', ' {:>{wid}}']
num_cols = len(row_fmt)
for test in tests:
test_l = data_l['tests'][test] if test in data_l['tests'] else None
test_r = data_r['tests'][test] if test in data_r['tests'] else None
pref = ' '
if test_l is None:
pref = '+'
elif test_r is None:
pref = '-'
descr = test_l['description'] if test_l else test_r['description']
heading = "{} {}: {}".format(pref, test, descr)
rows.append([heading])
# Generate the list of measurements
meas_l = test_l['measurements'] if test_l else {}
meas_r = test_r['measurements'] if test_r else {}
measurements = list(meas_l.keys())
measurements += [m for m in list(meas_r.keys()) if m not in measurements]
for meas in measurements:
m_pref = ' '
if meas in meas_l:
stats_l = measurement_stats(meas_l[meas], 'l.')
else:
stats_l = measurement_stats(None, 'l.')
m_pref = '+'
if meas in meas_r:
stats_r = measurement_stats(meas_r[meas], 'r.')
else:
stats_r = measurement_stats(None, 'r.')
m_pref = '-'
stats = stats_l.copy()
stats.update(stats_r)
absdiff = stats['val_cls'](stats['r.mean'] - stats['l.mean'])
reldiff = "{:+.1f} %".format(absdiff * 100 / stats['l.mean'])
if stats['r.mean'] > stats['l.mean']:
absdiff = '+' + str(absdiff)
else:
absdiff = str(absdiff)
rows.append(['', m_pref, stats['name'] + ' ' + stats['quantity'],
str(stats['l.mean']), '->', str(stats['r.mean']),
absdiff, reldiff])
rows.append([''] * num_cols)
print_table(rows, row_fmt)
print()
class BSSummary(object):
def __init__(self, bs1, bs2):
self.tasks = {'count': bs2.num_tasks,
'change': '{:+d}'.format(bs2.num_tasks - bs1.num_tasks)}
self.top_consumer = None
self.top_decrease = None
self.top_increase = None
self.ver_diff = OrderedDict()
tasks_diff = diff_buildstats(bs1, bs2, 'cputime')
# Get top consumers of resources
tasks_diff = sorted(tasks_diff, key=attrgetter('value2'))
self.top_consumer = tasks_diff[-5:]
# Get biggest increase and decrease in resource usage
tasks_diff = sorted(tasks_diff, key=attrgetter('absdiff'))
self.top_decrease = tasks_diff[0:5]
self.top_increase = tasks_diff[-5:]
# Compare recipe versions and prepare data for display
ver_diff = BSVerDiff(bs1, bs2)
if ver_diff:
if ver_diff.new:
self.ver_diff['New recipes'] = [(n, r.evr) for n, r in ver_diff.new.items()]
if ver_diff.dropped:
self.ver_diff['Dropped recipes'] = [(n, r.evr) for n, r in ver_diff.dropped.items()]
if ver_diff.echanged:
self.ver_diff['Epoch changed'] = [(n, "{} → {}".format(r.left.evr, r.right.evr)) for n, r in ver_diff.echanged.items()]
if ver_diff.vchanged:
self.ver_diff['Version changed'] = [(n, "{} → {}".format(r.left.version, r.right.version)) for n, r in ver_diff.vchanged.items()]
if ver_diff.rchanged:
self.ver_diff['Revision changed'] = [(n, "{} → {}".format(r.left.evr, r.right.evr)) for n, r in ver_diff.rchanged.items()]
def print_html_report(data, id_comp, buildstats):
"""Print report in html format"""
# Handle metadata
metadata = metadata_diff(data[id_comp].metadata, data[-1].metadata)
# Generate list of tests
tests = []
for test in data[-1].results['tests'].keys():
test_r = data[-1].results['tests'][test]
new_test = {'name': test_r['name'],
'description': test_r['description'],
'status': test_r['status'],
'measurements': [],
'err_type': test_r.get('err_type'),
}
# Limit length of err output shown
if 'message' in test_r:
lines = test_r['message'].splitlines()
if len(lines) > 20:
new_test['message'] = '...\n' + '\n'.join(lines[-20:])
else:
new_test['message'] = test_r['message']
# Generate the list of measurements
for meas in test_r['measurements'].keys():
meas_r = test_r['measurements'][meas]
meas_type = 'time' if meas_r['type'] == 'sysres' else 'size'
new_meas = {'name': meas_r['name'],
'legend': meas_r['legend'],
'description': meas_r['name'] + ' ' + meas_type,
}
samples = []
# Run through all revisions in our data
for meta, test_data in data:
if (not test in test_data['tests'] or
not meas in test_data['tests'][test]['measurements']):
samples.append(measurement_stats(None))
continue
test_i = test_data['tests'][test]
meas_i = test_i['measurements'][meas]
commit_num = get_data_item(meta, 'layers.meta.commit_count')
samples.append(measurement_stats(meas_i))
samples[-1]['commit_num'] = commit_num
absdiff = samples[-1]['val_cls'](samples[-1]['mean'] - samples[id_comp]['mean'])
new_meas['absdiff'] = absdiff
new_meas['absdiff_str'] = str(absdiff) if absdiff < 0 else '+' + str(absdiff)
new_meas['reldiff'] = "{:+.1f} %".format(absdiff * 100 / samples[id_comp]['mean'])
new_meas['samples'] = samples
new_meas['value'] = samples[-1]
new_meas['value_type'] = samples[-1]['val_cls']
# Compare buildstats
bs_key = test + '.' + meas
rev = metadata['commit_num']['value']
comp_rev = metadata['commit_num']['value_old']
if (rev in buildstats and bs_key in buildstats[rev] and
comp_rev in buildstats and bs_key in buildstats[comp_rev]):
new_meas['buildstats'] = BSSummary(buildstats[comp_rev][bs_key],
buildstats[rev][bs_key])
new_test['measurements'].append(new_meas)
tests.append(new_test)
# Chart options
chart_opts = {'haxis': {'min': get_data_item(data[0][0], 'layers.meta.commit_count'),
'max': get_data_item(data[-1][0], 'layers.meta.commit_count')}
}
print(html.template.render(title="Build Perf Test Report",
metadata=metadata, test_data=tests,
chart_opts=chart_opts))
def get_buildstats(repo, notes_ref, revs, outdir=None):
"""Get the buildstats from git notes"""
full_ref = 'refs/notes/' + notes_ref
if not repo.rev_parse(full_ref):
log.error("No buildstats found, please try running "
"'git fetch origin %s:%s' to fetch them from the remote",
full_ref, full_ref)
return
missing = False
buildstats = {}
log.info("Parsing buildstats from 'refs/notes/%s'", notes_ref)
for rev in revs:
buildstats[rev.commit_number] = {}
log.debug('Dumping buildstats for %s (%s)', rev.commit_number,
rev.commit)
for tag in rev.tags:
log.debug(' %s', tag)
try:
bs_all = json.loads(repo.run_cmd(['notes', '--ref', notes_ref,
'show', tag + '^0']))
except GitError:
log.warning("Buildstats not found for %s", tag)
bs_all = {}
missing = True
for measurement, bs in bs_all.items():
# Write out onto disk
if outdir:
tag_base, run_id = tag.rsplit('/', 1)
tag_base = tag_base.replace('/', '_')
bs_dir = os.path.join(outdir, measurement, tag_base)
if not os.path.exists(bs_dir):
os.makedirs(bs_dir)
with open(os.path.join(bs_dir, run_id + '.json'), 'w') as f:
json.dump(bs, f, indent=2)
# Read buildstats into a dict
_bs = BuildStats.from_json(bs)
if measurement not in buildstats[rev.commit_number]:
buildstats[rev.commit_number][measurement] = _bs
else:
buildstats[rev.commit_number][measurement].aggregate(_bs)
if missing:
log.info("Buildstats were missing for some test runs, please "
"run 'git fetch origin %s:%s' and try again",
full_ref, full_ref)
return buildstats
def auto_args(repo, args):
"""Guess arguments, if not defined by the user"""
# Get the latest commit in the repo
log.debug("Guessing arguments from the latest commit")
msg = repo.run_cmd(['log', '-1', '--branches', '--remotes', '--format=%b'])
for line in msg.splitlines():
split = line.split(':', 1)
if len(split) != 2:
continue
key = split[0]
val = split[1].strip()
if key == 'hostname':
log.debug("Using hostname %s", val)
args.hostname = val
elif key == 'branch':
log.debug("Using branch %s", val)
args.branch = val
def parse_args(argv):
"""Parse command line arguments"""
description = """
Examine build performance test results from a Git repository"""
parser = argparse.ArgumentParser(
formatter_class=argparse.ArgumentDefaultsHelpFormatter,
description=description)
parser.add_argument('--debug', '-d', action='store_true',
help="Verbose logging")
parser.add_argument('--repo', '-r', required=True,
help="Results repository (local git clone)")
parser.add_argument('--list', '-l', action='count',
help="List available test runs")
parser.add_argument('--html', action='store_true',
help="Generate report in html format")
group = parser.add_argument_group('Tag and revision')
group.add_argument('--tag-name', '-t',
default='{hostname}/{branch}/{machine}/{commit_number}-g{commit}/{tag_number}',
help="Tag name (pattern) for finding results")
group.add_argument('--hostname', '-H')
group.add_argument('--branch', '-B', default='master')
group.add_argument('--machine', default='qemux86')
group.add_argument('--history-length', default=25, type=int,
help="Number of tested revisions to plot in html report")
group.add_argument('--commit',
help="Revision to search for")
group.add_argument('--commit-number',
help="Revision number to search for, redundant if "
"--commit is specified")
group.add_argument('--commit2',
help="Revision to compare with")
group.add_argument('--commit-number2',
help="Revision number to compare with, redundant if "
"--commit2 is specified")
parser.add_argument('--dump-buildstats', nargs='?', const='.',
help="Dump buildstats of the tests")
return parser.parse_args(argv)
def main(argv=None):
"""Script entry point"""
args = parse_args(argv)
if args.debug:
log.setLevel(logging.DEBUG)
repo = GitRepo(args.repo)
if args.list:
list_test_revs(repo, args.tag_name, args.list, hostname=args.hostname)
return 0
# Determine hostname which to use
if not args.hostname:
auto_args(repo, args)
revs = get_test_revs(repo, args.tag_name, hostname=args.hostname,
branch=args.branch, machine=args.machine)
if len(revs) < 2:
log.error("%d tester revisions found, unable to generate report",
len(revs))
return 1
# Pick revisions
if args.commit:
if args.commit_number:
log.warning("Ignoring --commit-number as --commit was specified")
index1 = rev_find(revs, 'commit', args.commit)
elif args.commit_number:
index1 = rev_find(revs, 'commit_number', args.commit_number)
else:
index1 = len(revs) - 1
if args.commit2:
if args.commit_number2:
log.warning("Ignoring --commit-number2 as --commit2 was specified")
index2 = rev_find(revs, 'commit', args.commit2)
elif args.commit_number2:
index2 = rev_find(revs, 'commit_number', args.commit_number2)
else:
if index1 > 0:
index2 = index1 - 1
else:
log.error("Unable to determine the other commit, use "
"--commit2 or --commit-number2 to specify it")
return 1
index_l = min(index1, index2)
index_r = max(index1, index2)
rev_l = revs[index_l]
rev_r = revs[index_r]
log.debug("Using 'left' revision %s (%s), %s test runs:\n %s",
rev_l.commit_number, rev_l.commit, len(rev_l.tags),
'\n '.join(rev_l.tags))
log.debug("Using 'right' revision %s (%s), %s test runs:\n %s",
rev_r.commit_number, rev_r.commit, len(rev_r.tags),
'\n '.join(rev_r.tags))
# Check report format used in the repo (assume all reports in the same fmt)
xml = is_xml_format(repo, revs[index_r].tags[-1])
if args.html:
index_0 = max(0, min(index_l, index_r - args.history_length))
rev_range = range(index_0, index_r + 1)
else:
# We do not need range of commits for text report (no graphs)
index_0 = index_l
rev_range = (index_l, index_r)
# Read raw data
log.debug("Reading %d revisions, starting from %s (%s)",
len(rev_range), revs[index_0].commit_number, revs[index_0].commit)
raw_data = [read_results(repo, revs[i].tags, xml) for i in rev_range]
data = []
for raw_m, raw_d in raw_data:
data.append(AggregateTestData(aggregate_metadata(raw_m),
aggregate_data(raw_d)))
# Read buildstats only when needed
buildstats = None
if args.dump_buildstats or args.html:
outdir = 'oe-build-perf-buildstats' if args.dump_buildstats else None
notes_ref = 'buildstats/{}/{}/{}'.format(args.hostname, args.branch,
args.machine)
buildstats = get_buildstats(repo, notes_ref, [rev_l, rev_r], outdir)
# Print report
if not args.html:
print_diff_report(data[0].metadata, data[0].results,
data[1].metadata, data[1].results)
else:
# Re-map 'left' list index to the data table where index_0 maps to 0
print_html_report(data, index_l - index_0, buildstats)
return 0
if __name__ == "__main__":
sys.exit(main())
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