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a93ec352a3
I got a following error when I run buildstats-diff against a invalid buildstats file: | Traceback (most recent call last): | File "/poky/scripts/buildstats-diff", line 548, in <module> | sys.exit(main()) | File "/poky/scripts/buildstats-diff", line 534, in main | bs1 = read_buildstats(args.buildstats1, args.multi) | File "/poky/scripts/buildstats-diff", line 222, in read_buildstats | return read_buildstats_dir(path) | File "/poky/scripts/buildstats-diff", line 165, in read_buildstats_dir | os.path.join(recipe_dir, task))] | File "/poky/scripts/buildstats-diff", line 124, in read_buildstats_file | bs_task['elapsed_time'] = end_time - start_time | UnboundLocalError: local variable 'end_time' referenced before assignment the root cause is that a task was terminated by me on the terminal, so the generated buildstats file was invalid, supposing that it would make the buildstats.sh fail, but the script should give more graceful error messages. (From OE-Core rev: dee3c29071017b4d12c02b711c5e42ca96e0578d) Signed-off-by: Ming Liu <peter.x.liu@external.atlascopco.com> Signed-off-by: Ross Burton <ross.burton@intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
553 lines
20 KiB
Python
Executable File
553 lines
20 KiB
Python
Executable File
#!/usr/bin/python3
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#
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# Script for comparing buildstats from two different builds
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#
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# Copyright (c) 2016, 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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import argparse
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import glob
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import json
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import logging
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import math
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import os
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import re
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import sys
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from collections import namedtuple
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from operator import attrgetter
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# Setup logging
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logging.basicConfig(level=logging.INFO, format="%(levelname)s: %(message)s")
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log = logging.getLogger()
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class ScriptError(Exception):
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"""Exception for internal error handling of this script"""
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pass
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taskdiff_fields = ('pkg', 'pkg_op', 'task', 'task_op', 'value1', 'value2',
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'absdiff', 'reldiff')
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TaskDiff = namedtuple('TaskDiff', ' '.join(taskdiff_fields))
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class BSTask(dict):
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def __init__(self, *args, **kwargs):
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self['start_time'] = None
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self['elapsed_time'] = None
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self['status'] = None
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self['iostat'] = {}
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self['rusage'] = {}
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self['child_rusage'] = {}
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super(BSTask, self).__init__(*args, **kwargs)
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@property
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def cputime(self):
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"""Sum of user and system time taken by the task"""
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rusage = self['rusage']['ru_stime'] + self['rusage']['ru_utime']
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if self['child_rusage']:
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# Child rusage may have been optimized out
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return rusage + self['child_rusage']['ru_stime'] + self['child_rusage']['ru_utime']
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else:
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return rusage
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@property
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def walltime(self):
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"""Elapsed wall clock time"""
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return self['elapsed_time']
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@property
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def read_bytes(self):
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"""Bytes read from the block layer"""
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return self['iostat']['read_bytes']
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@property
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def write_bytes(self):
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"""Bytes written to the block layer"""
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return self['iostat']['write_bytes']
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@property
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def read_ops(self):
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"""Number of read operations on the block layer"""
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if self['child_rusage']:
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# Child rusage may have been optimized out
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return self['rusage']['ru_inblock'] + self['child_rusage']['ru_inblock']
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else:
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return self['rusage']['ru_inblock']
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@property
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def write_ops(self):
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"""Number of write operations on the block layer"""
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if self['child_rusage']:
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# Child rusage may have been optimized out
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return self['rusage']['ru_oublock'] + self['child_rusage']['ru_oublock']
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else:
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return self['rusage']['ru_oublock']
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def read_buildstats_file(buildstat_file):
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"""Convert buildstat text file into dict/json"""
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bs_task = BSTask()
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log.debug("Reading task buildstats from %s", buildstat_file)
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end_time = None
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with open(buildstat_file) as fobj:
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for line in fobj.readlines():
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key, val = line.split(':', 1)
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val = val.strip()
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if key == 'Started':
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start_time = float(val)
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bs_task['start_time'] = start_time
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elif key == 'Ended':
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end_time = float(val)
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elif key.startswith('IO '):
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split = key.split()
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bs_task['iostat'][split[1]] = int(val)
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elif key.find('rusage') >= 0:
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split = key.split()
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ru_key = split[-1]
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if ru_key in ('ru_stime', 'ru_utime'):
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val = float(val)
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else:
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val = int(val)
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ru_type = 'rusage' if split[0] == 'rusage' else \
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'child_rusage'
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bs_task[ru_type][ru_key] = val
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elif key == 'Status':
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bs_task['status'] = val
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if end_time is not None and start_time is not None:
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bs_task['elapsed_time'] = end_time - start_time
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else:
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raise ScriptError("{} looks like a invalid buildstats file".format(buildstat_file))
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return bs_task
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def read_buildstats_dir(bs_dir):
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"""Read buildstats directory"""
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def split_nevr(nevr):
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"""Split name and version information from recipe "nevr" string"""
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n_e_v, revision = nevr.rsplit('-', 1)
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match = re.match(r'^(?P<name>\S+)-((?P<epoch>[0-9]{1,5})_)?(?P<version>[0-9]\S*)$',
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n_e_v)
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if not match:
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# If we're not able to parse a version starting with a number, just
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# take the part after last dash
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match = re.match(r'^(?P<name>\S+)-((?P<epoch>[0-9]{1,5})_)?(?P<version>[^-]+)$',
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n_e_v)
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name = match.group('name')
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version = match.group('version')
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epoch = match.group('epoch')
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return name, epoch, version, revision
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if not os.path.isfile(os.path.join(bs_dir, 'build_stats')):
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raise ScriptError("{} does not look like a buildstats directory".format(bs_dir))
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log.debug("Reading buildstats directory %s", bs_dir)
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buildstats = {}
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subdirs = os.listdir(bs_dir)
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for dirname in subdirs:
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recipe_dir = os.path.join(bs_dir, dirname)
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if not os.path.isdir(recipe_dir):
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continue
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name, epoch, version, revision = split_nevr(dirname)
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recipe_bs = {'nevr': dirname,
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'name': name,
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'epoch': epoch,
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'version': version,
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'revision': revision,
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'tasks': {}}
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for task in os.listdir(recipe_dir):
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recipe_bs['tasks'][task] = [read_buildstats_file(
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os.path.join(recipe_dir, task))]
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if name in buildstats:
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raise ScriptError("Cannot handle multiple versions of the same "
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"package ({})".format(name))
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buildstats[name] = recipe_bs
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return buildstats
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def bs_append(dst, src):
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"""Append data from another buildstats"""
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if set(dst.keys()) != set(src.keys()):
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raise ScriptError("Refusing to join buildstats, set of packages is "
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"different")
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for pkg, data in dst.items():
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if data['nevr'] != src[pkg]['nevr']:
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raise ScriptError("Refusing to join buildstats, package version "
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"differs: {} vs. {}".format(data['nevr'], src[pkg]['nevr']))
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if set(data['tasks'].keys()) != set(src[pkg]['tasks'].keys()):
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raise ScriptError("Refusing to join buildstats, set of tasks "
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"in {} differ".format(pkg))
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for taskname, taskdata in data['tasks'].items():
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taskdata.extend(src[pkg]['tasks'][taskname])
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def read_buildstats_json(path):
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"""Read buildstats from JSON file"""
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buildstats = {}
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with open(path) as fobj:
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bs_json = json.load(fobj)
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for recipe_bs in bs_json:
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if recipe_bs['name'] in buildstats:
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raise ScriptError("Cannot handle multiple versions of the same "
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"package ({})".format(recipe_bs['name']))
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if recipe_bs['epoch'] is None:
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recipe_bs['nevr'] = "{}-{}-{}".format(recipe_bs['name'], recipe_bs['version'], recipe_bs['revision'])
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else:
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recipe_bs['nevr'] = "{}-{}_{}-{}".format(recipe_bs['name'], recipe_bs['epoch'], recipe_bs['version'], recipe_bs['revision'])
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for task, data in recipe_bs['tasks'].copy().items():
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recipe_bs['tasks'][task] = [BSTask(data)]
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buildstats[recipe_bs['name']] = recipe_bs
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return buildstats
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def read_buildstats(path, multi):
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"""Read buildstats"""
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if not os.path.exists(path):
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raise ScriptError("No such file or directory: {}".format(path))
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if os.path.isfile(path):
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return read_buildstats_json(path)
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if os.path.isfile(os.path.join(path, 'build_stats')):
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return read_buildstats_dir(path)
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# Handle a non-buildstat directory
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subpaths = sorted(glob.glob(path + '/*'))
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if len(subpaths) > 1:
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if multi:
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log.info("Averaging over {} buildstats from {}".format(
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len(subpaths), path))
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else:
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raise ScriptError("Multiple buildstats found in '{}'. Please give "
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"a single buildstat directory of use the --multi "
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"option".format(path))
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bs = None
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for subpath in subpaths:
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if os.path.isfile(subpath):
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tmpbs = read_buildstats_json(subpath)
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else:
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tmpbs = read_buildstats_dir(subpath)
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if not bs:
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bs = tmpbs
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else:
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log.debug("Joining buildstats")
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bs_append(bs, tmpbs)
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if not bs:
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raise ScriptError("No buildstats found under {}".format(path))
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return bs
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def print_ver_diff(bs1, bs2):
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"""Print package version differences"""
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pkgs1 = set(bs1.keys())
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pkgs2 = set(bs2.keys())
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new_pkgs = pkgs2 - pkgs1
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deleted_pkgs = pkgs1 - pkgs2
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echanged = []
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vchanged = []
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rchanged = []
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unchanged = []
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common_pkgs = pkgs2.intersection(pkgs1)
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if common_pkgs:
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for pkg in common_pkgs:
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if bs1[pkg]['epoch'] != bs2[pkg]['epoch']:
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echanged.append(pkg)
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elif bs1[pkg]['version'] != bs2[pkg]['version']:
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vchanged.append(pkg)
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elif bs1[pkg]['revision'] != bs2[pkg]['revision']:
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rchanged.append(pkg)
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else:
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unchanged.append(pkg)
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maxlen = max([len(pkg) for pkg in pkgs1.union(pkgs2)])
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fmt_str = " {:{maxlen}} ({})"
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# if unchanged:
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# print("\nUNCHANGED PACKAGES:")
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# print("-------------------")
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# maxlen = max([len(pkg) for pkg in unchanged])
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# for pkg in sorted(unchanged):
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# print(fmt_str.format(pkg, bs2[pkg]['nevr'], maxlen=maxlen))
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if new_pkgs:
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print("\nNEW PACKAGES:")
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print("-------------")
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for pkg in sorted(new_pkgs):
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print(fmt_str.format(pkg, bs2[pkg]['nevr'], maxlen=maxlen))
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if deleted_pkgs:
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print("\nDELETED PACKAGES:")
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print("-----------------")
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for pkg in sorted(deleted_pkgs):
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print(fmt_str.format(pkg, bs1[pkg]['nevr'], maxlen=maxlen))
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fmt_str = " {0:{maxlen}} {1:<20} ({2})"
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if rchanged:
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print("\nREVISION CHANGED:")
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print("-----------------")
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for pkg in sorted(rchanged):
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field1 = "{} -> {}".format(pkg, bs1[pkg]['revision'], bs2[pkg]['revision'])
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field2 = "{} -> {}".format(bs1[pkg]['nevr'], bs2[pkg]['nevr'])
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print(fmt_str.format(pkg, field1, field2, maxlen=maxlen))
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if vchanged:
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print("\nVERSION CHANGED:")
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print("----------------")
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for pkg in sorted(vchanged):
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field1 = "{} -> {}".format(bs1[pkg]['version'], bs2[pkg]['version'])
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field2 = "{} -> {}".format(bs1[pkg]['nevr'], bs2[pkg]['nevr'])
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print(fmt_str.format(pkg, field1, field2, maxlen=maxlen))
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if echanged:
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print("\nEPOCH CHANGED:")
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print("--------------")
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for pkg in sorted(echanged):
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field1 = "{} -> {}".format(bs1[pkg]['epoch'], bs2[pkg]['epoch'])
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field2 = "{} -> {}".format(bs1[pkg]['nevr'], bs2[pkg]['nevr'])
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print(fmt_str.format(pkg, field1, field2, maxlen=maxlen))
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def print_task_diff(bs1, bs2, val_type, min_val=0, min_absdiff=0, sort_by=('absdiff',)):
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"""Diff task execution times"""
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def val_to_str(val, human_readable=False):
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"""Convert raw value to printable string"""
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def hms_time(secs):
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"""Get time in human-readable HH:MM:SS format"""
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h = int(secs / 3600)
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m = int((secs % 3600) / 60)
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s = secs % 60
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if h == 0:
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return "{:02d}:{:04.1f}".format(m, s)
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else:
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return "{:d}:{:02d}:{:04.1f}".format(h, m, s)
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if 'time' in val_type:
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if human_readable:
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return hms_time(val)
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else:
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return "{:.1f}s".format(val)
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elif 'bytes' in val_type and human_readable:
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prefix = ['', 'Ki', 'Mi', 'Gi', 'Ti', 'Pi']
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dec = int(math.log(val, 2) / 10)
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prec = 1 if dec > 0 else 0
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return "{:.{prec}f}{}B".format(val / (2 ** (10 * dec)),
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prefix[dec], prec=prec)
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elif 'ops' in val_type and human_readable:
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prefix = ['', 'k', 'M', 'G', 'T', 'P']
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dec = int(math.log(val, 1000))
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prec = 1 if dec > 0 else 0
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return "{:.{prec}f}{}ops".format(val / (1000 ** dec),
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prefix[dec], prec=prec)
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return str(int(val))
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def sum_vals(buildstats):
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"""Get cumulative sum of all tasks"""
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total = 0.0
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for recipe_data in buildstats.values():
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for bs_task in recipe_data['tasks'].values():
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total += sum([getattr(b, val_type) for b in bs_task]) / len(bs_task)
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return total
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tasks_diff = []
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if min_val:
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print("Ignoring tasks less than {} ({})".format(
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val_to_str(min_val, True), val_to_str(min_val)))
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if min_absdiff:
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print("Ignoring differences less than {} ({})".format(
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val_to_str(min_absdiff, True), val_to_str(min_absdiff)))
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# Prepare the data
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pkgs = set(bs1.keys()).union(set(bs2.keys()))
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for pkg in pkgs:
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tasks1 = bs1[pkg]['tasks'] if pkg in bs1 else {}
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tasks2 = bs2[pkg]['tasks'] if pkg in bs2 else {}
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if not tasks1:
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pkg_op = '+ '
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elif not tasks2:
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pkg_op = '- '
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else:
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pkg_op = ' '
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for task in set(tasks1.keys()).union(set(tasks2.keys())):
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task_op = ' '
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if task in tasks1:
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# Average over all values
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val1 = [getattr(b, val_type) for b in bs1[pkg]['tasks'][task]]
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val1 = sum(val1) / len(val1)
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else:
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task_op = '+ '
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val1 = 0
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if task in tasks2:
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# Average over all values
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val2 = [getattr(b, val_type) for b in bs2[pkg]['tasks'][task]]
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val2 = sum(val2) / len(val2)
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else:
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val2 = 0
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task_op = '- '
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if val1 == 0:
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reldiff = float('inf')
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else:
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reldiff = 100 * (val2 - val1) / val1
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if max(val1, val2) < min_val:
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log.debug("Filtering out %s:%s (%s)", pkg, task,
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val_to_str(max(val1, val2)))
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continue
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if abs(val2 - val1) < min_absdiff:
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log.debug("Filtering out %s:%s (difference of %s)", pkg, task,
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val_to_str(val2-val1))
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continue
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tasks_diff.append(TaskDiff(pkg, pkg_op, task, task_op, val1, val2,
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val2-val1, reldiff))
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# Sort our list
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for field in reversed(sort_by):
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if field.startswith('-'):
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field = field[1:]
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reverse = True
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else:
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reverse = False
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tasks_diff = sorted(tasks_diff, key=attrgetter(field), reverse=reverse)
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linedata = [(' ', 'PKG', ' ', 'TASK', 'ABSDIFF', 'RELDIFF',
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val_type.upper() + '1', val_type.upper() + '2')]
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field_lens = dict([('len_{}'.format(i), len(f)) for i, f in enumerate(linedata[0])])
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# Prepare fields in string format and measure field lengths
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for diff in tasks_diff:
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task_prefix = diff.task_op if diff.pkg_op == ' ' else ' '
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linedata.append((diff.pkg_op, diff.pkg, task_prefix, diff.task,
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val_to_str(diff.absdiff),
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'{:+.1f}%'.format(diff.reldiff),
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val_to_str(diff.value1),
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val_to_str(diff.value2)))
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for i, field in enumerate(linedata[-1]):
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key = 'len_{}'.format(i)
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if len(field) > field_lens[key]:
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field_lens[key] = len(field)
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# Print data
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print()
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for fields in linedata:
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print("{:{len_0}}{:{len_1}} {:{len_2}}{:{len_3}} {:>{len_4}} {:>{len_5}} {:>{len_6}} -> {:{len_7}}".format(
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*fields, **field_lens))
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# Print summary of the diffs
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|
total1 = sum_vals(bs1)
|
|
total2 = sum_vals(bs2)
|
|
print("\nCumulative {}:".format(val_type))
|
|
print (" {} {:+.1f}% {} ({}) -> {} ({})".format(
|
|
val_to_str(total2 - total1), 100 * (total2-total1) / total1,
|
|
val_to_str(total1, True), val_to_str(total1),
|
|
val_to_str(total2, True), val_to_str(total2)))
|
|
|
|
|
|
def parse_args(argv):
|
|
"""Parse cmdline arguments"""
|
|
description="""
|
|
Script for comparing buildstats of two separate builds."""
|
|
parser = argparse.ArgumentParser(
|
|
formatter_class=argparse.ArgumentDefaultsHelpFormatter,
|
|
description=description)
|
|
|
|
min_val_defaults = {'cputime': 3.0,
|
|
'read_bytes': 524288,
|
|
'write_bytes': 524288,
|
|
'read_ops': 500,
|
|
'write_ops': 500,
|
|
'walltime': 5}
|
|
min_absdiff_defaults = {'cputime': 1.0,
|
|
'read_bytes': 131072,
|
|
'write_bytes': 131072,
|
|
'read_ops': 50,
|
|
'write_ops': 50,
|
|
'walltime': 2}
|
|
|
|
parser.add_argument('--debug', '-d', action='store_true',
|
|
help="Verbose logging")
|
|
parser.add_argument('--ver-diff', action='store_true',
|
|
help="Show package version differences and exit")
|
|
parser.add_argument('--diff-attr', default='cputime',
|
|
choices=min_val_defaults.keys(),
|
|
help="Buildstat attribute which to compare")
|
|
parser.add_argument('--min-val', default=min_val_defaults, type=float,
|
|
help="Filter out tasks less than MIN_VAL. "
|
|
"Default depends on --diff-attr.")
|
|
parser.add_argument('--min-absdiff', default=min_absdiff_defaults, type=float,
|
|
help="Filter out tasks whose difference is less than "
|
|
"MIN_ABSDIFF, Default depends on --diff-attr.")
|
|
parser.add_argument('--sort-by', default='absdiff',
|
|
help="Comma-separated list of field sort order. "
|
|
"Prepend the field name with '-' for reversed sort. "
|
|
"Available fields are: {}".format(', '.join(taskdiff_fields)))
|
|
parser.add_argument('--multi', action='store_true',
|
|
help="Read all buildstats from the given paths and "
|
|
"average over them")
|
|
parser.add_argument('buildstats1', metavar='BUILDSTATS1', help="'Left' buildstat")
|
|
parser.add_argument('buildstats2', metavar='BUILDSTATS2', help="'Right' buildstat")
|
|
|
|
args = parser.parse_args(argv)
|
|
|
|
# We do not nedd/want to read all buildstats if we just want to look at the
|
|
# package versions
|
|
if args.ver_diff:
|
|
args.multi = False
|
|
|
|
# Handle defaults for the filter arguments
|
|
if args.min_val is min_val_defaults:
|
|
args.min_val = min_val_defaults[args.diff_attr]
|
|
if args.min_absdiff is min_absdiff_defaults:
|
|
args.min_absdiff = min_absdiff_defaults[args.diff_attr]
|
|
|
|
return args
|
|
|
|
|
|
def main(argv=None):
|
|
"""Script entry point"""
|
|
args = parse_args(argv)
|
|
if args.debug:
|
|
log.setLevel(logging.DEBUG)
|
|
|
|
# Validate sort fields
|
|
sort_by = []
|
|
for field in args.sort_by.split(','):
|
|
if field.lstrip('-') not in taskdiff_fields:
|
|
log.error("Invalid sort field '%s' (must be one of: %s)" %
|
|
(field, ', '.join(taskdiff_fields)))
|
|
sys.exit(1)
|
|
sort_by.append(field)
|
|
|
|
try:
|
|
bs1 = read_buildstats(args.buildstats1, args.multi)
|
|
bs2 = read_buildstats(args.buildstats2, args.multi)
|
|
|
|
if args.ver_diff:
|
|
print_ver_diff(bs1, bs2)
|
|
else:
|
|
print_task_diff(bs1, bs2, args.diff_attr, args.min_val,
|
|
args.min_absdiff, sort_by)
|
|
except ScriptError as err:
|
|
log.error(str(err))
|
|
return 1
|
|
return 0
|
|
|
|
if __name__ == "__main__":
|
|
sys.exit(main())
|