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authorMarkus Lehtonen <markus.lehtonen@linux.intel.com>2017-09-15 16:04:37 +0300
committerRichard Purdie <richard.purdie@linuxfoundation.org>2017-09-18 11:07:23 +0100
commit8a2cd9afc95919737d8e75234e78bbc52e1494a1 (patch)
treeeca7331a4807a55ff4f68dfe79516b77053ef0ad
parent10883bb49ad2f5309883fd352cf320b2e1648615 (diff)
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scripts/buildstats-diff: move code to lib/buildstats.py
Move over code from buildstats-diff to new scripts/lib/buildstats.py module in order to share code related to buildstats processing. Also, refactor the code, introducing new classes to make the code readable, maintainable and easier to debug. [YOCTO #11381] Signed-off-by: Markus Lehtonen <markus.lehtonen@linux.intel.com> Signed-off-by: Ross Burton <ross.burton@intel.com>
-rwxr-xr-xscripts/buildstats-diff278
-rw-r--r--scripts/lib/buildstats.py301
2 files changed, 329 insertions, 250 deletions
diff --git a/scripts/buildstats-diff b/scripts/buildstats-diff
index 8e64480eb3..ce82dabee9 100755
--- a/scripts/buildstats-diff
+++ b/scripts/buildstats-diff
@@ -15,15 +15,18 @@
#
import argparse
import glob
-import json
import logging
import math
import os
-import re
import sys
-from collections import namedtuple
from operator import attrgetter
+# Import oe libs
+scripts_path = os.path.dirname(os.path.realpath(__file__))
+sys.path.append(os.path.join(scripts_path, 'lib'))
+from buildstats import BuildStats, diff_buildstats, taskdiff_fields
+
+
# Setup logging
logging.basicConfig(level=logging.INFO, format="%(levelname)s: %(message)s")
log = logging.getLogger()
@@ -34,196 +37,16 @@ class ScriptError(Exception):
pass
-taskdiff_fields = ('pkg', 'pkg_op', 'task', 'task_op', 'value1', 'value2',
- 'absdiff', 'reldiff')
-TaskDiff = namedtuple('TaskDiff', ' '.join(taskdiff_fields))
-
-
-class BSTask(dict):
- def __init__(self, *args, **kwargs):
- self['start_time'] = None
- self['elapsed_time'] = None
- self['status'] = None
- self['iostat'] = {}
- self['rusage'] = {}
- self['child_rusage'] = {}
- super(BSTask, self).__init__(*args, **kwargs)
-
- @property
- def cputime(self):
- """Sum of user and system time taken by the task"""
- rusage = self['rusage']['ru_stime'] + self['rusage']['ru_utime']
- if self['child_rusage']:
- # Child rusage may have been optimized out
- return rusage + self['child_rusage']['ru_stime'] + self['child_rusage']['ru_utime']
- else:
- return rusage
-
- @property
- def walltime(self):
- """Elapsed wall clock time"""
- return self['elapsed_time']
-
- @property
- def read_bytes(self):
- """Bytes read from the block layer"""
- return self['iostat']['read_bytes']
-
- @property
- def write_bytes(self):
- """Bytes written to the block layer"""
- return self['iostat']['write_bytes']
-
- @property
- def read_ops(self):
- """Number of read operations on the block layer"""
- if self['child_rusage']:
- # Child rusage may have been optimized out
- return self['rusage']['ru_inblock'] + self['child_rusage']['ru_inblock']
- else:
- return self['rusage']['ru_inblock']
-
- @property
- def write_ops(self):
- """Number of write operations on the block layer"""
- if self['child_rusage']:
- # Child rusage may have been optimized out
- return self['rusage']['ru_oublock'] + self['child_rusage']['ru_oublock']
- else:
- return self['rusage']['ru_oublock']
-
-
-def read_buildstats_file(buildstat_file):
- """Convert buildstat text file into dict/json"""
- bs_task = BSTask()
- log.debug("Reading task buildstats from %s", buildstat_file)
- end_time = None
- with open(buildstat_file) as fobj:
- for line in fobj.readlines():
- key, val = line.split(':', 1)
- val = val.strip()
- if key == 'Started':
- start_time = float(val)
- bs_task['start_time'] = start_time
- elif key == 'Ended':
- end_time = float(val)
- elif key.startswith('IO '):
- split = key.split()
- bs_task['iostat'][split[1]] = int(val)
- elif key.find('rusage') >= 0:
- split = key.split()
- ru_key = split[-1]
- if ru_key in ('ru_stime', 'ru_utime'):
- val = float(val)
- else:
- val = int(val)
- ru_type = 'rusage' if split[0] == 'rusage' else \
- 'child_rusage'
- bs_task[ru_type][ru_key] = val
- elif key == 'Status':
- bs_task['status'] = val
- if end_time is not None and start_time is not None:
- bs_task['elapsed_time'] = end_time - start_time
- else:
- raise ScriptError("{} looks like a invalid buildstats file".format(buildstat_file))
- return bs_task
-
-
-def read_buildstats_dir(bs_dir):
- """Read buildstats directory"""
- def split_nevr(nevr):
- """Split name and version information from recipe "nevr" string"""
- n_e_v, revision = nevr.rsplit('-', 1)
- match = re.match(r'^(?P<name>\S+)-((?P<epoch>[0-9]{1,5})_)?(?P<version>[0-9]\S*)$',
- n_e_v)
- if not match:
- # If we're not able to parse a version starting with a number, just
- # take the part after last dash
- match = re.match(r'^(?P<name>\S+)-((?P<epoch>[0-9]{1,5})_)?(?P<version>[^-]+)$',
- n_e_v)
- name = match.group('name')
- version = match.group('version')
- epoch = match.group('epoch')
- return name, epoch, version, revision
-
- if not os.path.isfile(os.path.join(bs_dir, 'build_stats')):
- raise ScriptError("{} does not look like a buildstats directory".format(bs_dir))
-
- log.debug("Reading buildstats directory %s", bs_dir)
-
- buildstats = {}
- subdirs = os.listdir(bs_dir)
- for dirname in subdirs:
- recipe_dir = os.path.join(bs_dir, dirname)
- if not os.path.isdir(recipe_dir):
- continue
- name, epoch, version, revision = split_nevr(dirname)
- recipe_bs = {'nevr': dirname,
- 'name': name,
- 'epoch': epoch,
- 'version': version,
- 'revision': revision,
- 'tasks': {}}
- for task in os.listdir(recipe_dir):
- recipe_bs['tasks'][task] = [read_buildstats_file(
- os.path.join(recipe_dir, task))]
- if name in buildstats:
- raise ScriptError("Cannot handle multiple versions of the same "
- "package ({})".format(name))
- buildstats[name] = recipe_bs
-
- return buildstats
-
-
-def bs_append(dst, src):
- """Append data from another buildstats"""
- if set(dst.keys()) != set(src.keys()):
- raise ScriptError("Refusing to join buildstats, set of packages is "
- "different")
- for pkg, data in dst.items():
- if data['nevr'] != src[pkg]['nevr']:
- raise ScriptError("Refusing to join buildstats, package version "
- "differs: {} vs. {}".format(data['nevr'], src[pkg]['nevr']))
- if set(data['tasks'].keys()) != set(src[pkg]['tasks'].keys()):
- raise ScriptError("Refusing to join buildstats, set of tasks "
- "in {} differ".format(pkg))
- for taskname, taskdata in data['tasks'].items():
- taskdata.extend(src[pkg]['tasks'][taskname])
-
-
-def read_buildstats_json(path):
- """Read buildstats from JSON file"""
- buildstats = {}
- with open(path) as fobj:
- bs_json = json.load(fobj)
- for recipe_bs in bs_json:
- if recipe_bs['name'] in buildstats:
- raise ScriptError("Cannot handle multiple versions of the same "
- "package ({})".format(recipe_bs['name']))
-
- if recipe_bs['epoch'] is None:
- recipe_bs['nevr'] = "{}-{}-{}".format(recipe_bs['name'], recipe_bs['version'], recipe_bs['revision'])
- else:
- recipe_bs['nevr'] = "{}-{}_{}-{}".format(recipe_bs['name'], recipe_bs['epoch'], recipe_bs['version'], recipe_bs['revision'])
-
- for task, data in recipe_bs['tasks'].copy().items():
- recipe_bs['tasks'][task] = [BSTask(data)]
-
- buildstats[recipe_bs['name']] = recipe_bs
-
- return buildstats
-
-
def read_buildstats(path, multi):
"""Read buildstats"""
if not os.path.exists(path):
raise ScriptError("No such file or directory: {}".format(path))
if os.path.isfile(path):
- return read_buildstats_json(path)
+ return BuildStats.from_file_json(path)
if os.path.isfile(os.path.join(path, 'build_stats')):
- return read_buildstats_dir(path)
+ return BuildStats.from_dir(path)
# Handle a non-buildstat directory
subpaths = sorted(glob.glob(path + '/*'))
@@ -238,17 +61,16 @@ def read_buildstats(path, multi):
bs = None
for subpath in subpaths:
if os.path.isfile(subpath):
- tmpbs = read_buildstats_json(subpath)
+ _bs = BuildStats.from_file_json(subpath)
else:
- tmpbs = read_buildstats_dir(subpath)
- if not bs:
- bs = tmpbs
+ _bs = BuildStats.from_dir(subpath)
+ if bs is None:
+ bs = _bs
else:
- log.debug("Joining buildstats")
- bs_append(bs, tmpbs)
-
+ bs.aggregate(_bs)
if not bs:
raise ScriptError("No buildstats found under {}".format(path))
+
return bs
@@ -266,11 +88,11 @@ def print_ver_diff(bs1, bs2):
common_pkgs = pkgs2.intersection(pkgs1)
if common_pkgs:
for pkg in common_pkgs:
- if bs1[pkg]['epoch'] != bs2[pkg]['epoch']:
+ if bs1[pkg].epoch != bs2[pkg].epoch:
echanged.append(pkg)
- elif bs1[pkg]['version'] != bs2[pkg]['version']:
+ elif bs1[pkg].version != bs2[pkg].version:
vchanged.append(pkg)
- elif bs1[pkg]['revision'] != bs2[pkg]['revision']:
+ elif bs1[pkg].revision != bs2[pkg].revision:
rchanged.append(pkg)
else:
unchanged.append(pkg)
@@ -288,37 +110,37 @@ def print_ver_diff(bs1, bs2):
print("\nNEW PACKAGES:")
print("-------------")
for pkg in sorted(new_pkgs):
- print(fmt_str.format(pkg, bs2[pkg]['nevr'], maxlen=maxlen))
+ print(fmt_str.format(pkg, bs2[pkg].nevr, maxlen=maxlen))
if deleted_pkgs:
print("\nDELETED PACKAGES:")
print("-----------------")
for pkg in sorted(deleted_pkgs):
- print(fmt_str.format(pkg, bs1[pkg]['nevr'], maxlen=maxlen))
+ print(fmt_str.format(pkg, bs1[pkg].nevr, maxlen=maxlen))
fmt_str = " {0:{maxlen}} {1:<20} ({2})"
if rchanged:
print("\nREVISION CHANGED:")
print("-----------------")
for pkg in sorted(rchanged):
- field1 = "{} -> {}".format(pkg, bs1[pkg]['revision'], bs2[pkg]['revision'])
- field2 = "{} -> {}".format(bs1[pkg]['nevr'], bs2[pkg]['nevr'])
+ field1 = "{} -> {}".format(pkg, bs1[pkg].revision, bs2[pkg].revision)
+ field2 = "{} -> {}".format(bs1[pkg].nevr, bs2[pkg].nevr)
print(fmt_str.format(pkg, field1, field2, maxlen=maxlen))
if vchanged:
print("\nVERSION CHANGED:")
print("----------------")
for pkg in sorted(vchanged):
- field1 = "{} -> {}".format(bs1[pkg]['version'], bs2[pkg]['version'])
- field2 = "{} -> {}".format(bs1[pkg]['nevr'], bs2[pkg]['nevr'])
+ field1 = "{} -> {}".format(bs1[pkg].version, bs2[pkg].version)
+ field2 = "{} -> {}".format(bs1[pkg].nevr, bs2[pkg].nevr)
print(fmt_str.format(pkg, field1, field2, maxlen=maxlen))
if echanged:
print("\nEPOCH CHANGED:")
print("--------------")
for pkg in sorted(echanged):
- field1 = "{} -> {}".format(bs1[pkg]['epoch'], bs2[pkg]['epoch'])
- field2 = "{} -> {}".format(bs1[pkg]['nevr'], bs2[pkg]['nevr'])
+ field1 = "{} -> {}".format(bs1[pkg].epoch, bs2[pkg].epoch)
+ field2 = "{} -> {}".format(bs1[pkg].nevr, bs2[pkg].nevr)
print(fmt_str.format(pkg, field1, field2, maxlen=maxlen))
@@ -359,12 +181,10 @@ def print_task_diff(bs1, bs2, val_type, min_val=0, min_absdiff=0, sort_by=('absd
"""Get cumulative sum of all tasks"""
total = 0.0
for recipe_data in buildstats.values():
- for bs_task in recipe_data['tasks'].values():
- total += sum([getattr(b, val_type) for b in bs_task]) / len(bs_task)
+ for bs_task in recipe_data.tasks.values():
+ total += getattr(bs_task, val_type)
return total
- tasks_diff = []
-
if min_val:
print("Ignoring tasks less than {} ({})".format(
val_to_str(min_val, True), val_to_str(min_val)))
@@ -373,49 +193,7 @@ def print_task_diff(bs1, bs2, val_type, min_val=0, min_absdiff=0, sort_by=('absd
val_to_str(min_absdiff, True), val_to_str(min_absdiff)))
# Prepare the data
- pkgs = set(bs1.keys()).union(set(bs2.keys()))
- for pkg in pkgs:
- tasks1 = bs1[pkg]['tasks'] if pkg in bs1 else {}
- tasks2 = bs2[pkg]['tasks'] if pkg in bs2 else {}
- if not tasks1:
- pkg_op = '+ '
- elif not tasks2:
- pkg_op = '- '
- else:
- pkg_op = ' '
-
- for task in set(tasks1.keys()).union(set(tasks2.keys())):
- task_op = ' '
- if task in tasks1:
- # Average over all values
- val1 = [getattr(b, val_type) for b in bs1[pkg]['tasks'][task]]
- val1 = sum(val1) / len(val1)
- else:
- task_op = '+ '
- val1 = 0
- if task in tasks2:
- # Average over all values
- val2 = [getattr(b, val_type) for b in bs2[pkg]['tasks'][task]]
- val2 = sum(val2) / len(val2)
- else:
- val2 = 0
- task_op = '- '
-
- if val1 == 0:
- reldiff = float('inf')
- else:
- reldiff = 100 * (val2 - val1) / val1
-
- if max(val1, val2) < min_val:
- log.debug("Filtering out %s:%s (%s)", pkg, task,
- val_to_str(max(val1, val2)))
- continue
- if abs(val2 - val1) < min_absdiff:
- log.debug("Filtering out %s:%s (difference of %s)", pkg, task,
- val_to_str(val2-val1))
- continue
- tasks_diff.append(TaskDiff(pkg, pkg_op, task, task_op, val1, val2,
- val2-val1, reldiff))
+ tasks_diff = diff_buildstats(bs1, bs2, val_type, min_val, min_absdiff)
# Sort our list
for field in reversed(sort_by):
diff --git a/scripts/lib/buildstats.py b/scripts/lib/buildstats.py
new file mode 100644
index 0000000000..9eb60b1c69
--- /dev/null
+++ b/scripts/lib/buildstats.py
@@ -0,0 +1,301 @@
+#
+# 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.
+#
+"""Functionality for analyzing buildstats"""
+import json
+import logging
+import os
+import re
+from collections import namedtuple
+from statistics import mean
+
+
+log = logging.getLogger()
+
+
+taskdiff_fields = ('pkg', 'pkg_op', 'task', 'task_op', 'value1', 'value2',
+ 'absdiff', 'reldiff')
+TaskDiff = namedtuple('TaskDiff', ' '.join(taskdiff_fields))
+
+
+class BSError(Exception):
+ """Error handling of buildstats"""
+ pass
+
+
+class BSTask(dict):
+ def __init__(self, *args, **kwargs):
+ self['start_time'] = None
+ self['elapsed_time'] = None
+ self['status'] = None
+ self['iostat'] = {}
+ self['rusage'] = {}
+ self['child_rusage'] = {}
+ super(BSTask, self).__init__(*args, **kwargs)
+
+ @property
+ def cputime(self):
+ """Sum of user and system time taken by the task"""
+ rusage = self['rusage']['ru_stime'] + self['rusage']['ru_utime']
+ if self['child_rusage']:
+ # Child rusage may have been optimized out
+ return rusage + self['child_rusage']['ru_stime'] + self['child_rusage']['ru_utime']
+ else:
+ return rusage
+
+ @property
+ def walltime(self):
+ """Elapsed wall clock time"""
+ return self['elapsed_time']
+
+ @property
+ def read_bytes(self):
+ """Bytes read from the block layer"""
+ return self['iostat']['read_bytes']
+
+ @property
+ def write_bytes(self):
+ """Bytes written to the block layer"""
+ return self['iostat']['write_bytes']
+
+ @property
+ def read_ops(self):
+ """Number of read operations on the block layer"""
+ if self['child_rusage']:
+ # Child rusage may have been optimized out
+ return self['rusage']['ru_inblock'] + self['child_rusage']['ru_inblock']
+ else:
+ return self['rusage']['ru_inblock']
+
+ @property
+ def write_ops(self):
+ """Number of write operations on the block layer"""
+ if self['child_rusage']:
+ # Child rusage may have been optimized out
+ return self['rusage']['ru_oublock'] + self['child_rusage']['ru_oublock']
+ else:
+ return self['rusage']['ru_oublock']
+
+ @classmethod
+ def from_file(cls, buildstat_file):
+ """Read buildstat text file"""
+ bs_task = cls()
+ log.debug("Reading task buildstats from %s", buildstat_file)
+ end_time = None
+ with open(buildstat_file) as fobj:
+ for line in fobj.readlines():
+ key, val = line.split(':', 1)
+ val = val.strip()
+ if key == 'Started':
+ start_time = float(val)
+ bs_task['start_time'] = start_time
+ elif key == 'Ended':
+ end_time = float(val)
+ elif key.startswith('IO '):
+ split = key.split()
+ bs_task['iostat'][split[1]] = int(val)
+ elif key.find('rusage') >= 0:
+ split = key.split()
+ ru_key = split[-1]
+ if ru_key in ('ru_stime', 'ru_utime'):
+ val = float(val)
+ else:
+ val = int(val)
+ ru_type = 'rusage' if split[0] == 'rusage' else \
+ 'child_rusage'
+ bs_task[ru_type][ru_key] = val
+ elif key == 'Status':
+ bs_task['status'] = val
+ if end_time is not None and start_time is not None:
+ bs_task['elapsed_time'] = end_time - start_time
+ else:
+ raise BSError("{} looks like a invalid buildstats file".format(buildstat_file))
+ return bs_task
+
+
+class BSTaskAggregate(object):
+ """Class representing multiple runs of the same task"""
+ properties = ('cputime', 'walltime', 'read_bytes', 'write_bytes',
+ 'read_ops', 'write_ops')
+
+ def __init__(self, tasks=None):
+ self._tasks = tasks or []
+ self._properties = {}
+
+ def __getattr__(self, name):
+ if name in self.properties:
+ if name not in self._properties:
+ # Calculate properties on demand only. We only provide mean
+ # value, so far
+ self._properties[name] = mean([getattr(t, name) for t in self._tasks])
+ return self._properties[name]
+ else:
+ raise AttributeError("'BSTaskAggregate' has no attribute '{}'".format(name))
+
+ def append(self, task):
+ """Append new task"""
+ # Reset pre-calculated properties
+ assert isinstance(task, BSTask), "Type is '{}' instead of 'BSTask'".format(type(task))
+ self._properties = {}
+ self._tasks.append(task)
+
+
+class BSRecipe(object):
+ """Class representing buildstats of one recipe"""
+ def __init__(self, name, epoch, version, revision):
+ self.name = name
+ self.epoch = epoch
+ self.version = version
+ self.revision = revision
+ if epoch is None:
+ self.nevr = "{}-{}-{}".format(name, version, revision)
+ else:
+ self.nevr = "{}-{}_{}-{}".format(name, epoch, version, revision)
+ self.tasks = {}
+
+ def aggregate(self, bsrecipe):
+ """Aggregate data of another recipe buildstats"""
+ if self.nevr != bsrecipe.nevr:
+ raise ValueError("Refusing to aggregate buildstats, recipe version "
+ "differs: {} vs. {}".format(self.nevr, bsrecipe.nevr))
+ if set(self.tasks.keys()) != set(bsrecipe.tasks.keys()):
+ raise ValueError("Refusing to aggregate buildstats, set of tasks "
+ "in {} differ".format(self.name))
+
+ for taskname, taskdata in bsrecipe.tasks.items():
+ if not isinstance(self.tasks[taskname], BSTaskAggregate):
+ self.tasks[taskname] = BSTaskAggregate([self.tasks[taskname]])
+ self.tasks[taskname].append(taskdata)
+
+
+class BuildStats(dict):
+ """Class representing buildstats of one build"""
+
+ @classmethod
+ def from_json(cls, bs_json):
+ """Create new BuildStats object from JSON object"""
+ buildstats = cls()
+ for recipe in bs_json:
+ if recipe['name'] in buildstats:
+ raise BSError("Cannot handle multiple versions of the same "
+ "package ({})".format(recipe['name']))
+ bsrecipe = BSRecipe(recipe['name'], recipe['epoch'],
+ recipe['version'], recipe['revision'])
+ for task, data in recipe['tasks'].items():
+ bsrecipe.tasks[task] = BSTask(data)
+
+ buildstats[recipe['name']] = bsrecipe
+
+ return buildstats
+
+ @staticmethod
+ def from_file_json(path):
+ """Load buildstats from a JSON file"""
+ with open(path) as fobj:
+ bs_json = json.load(fobj)
+ return BuildStats.from_json(bs_json)
+
+
+ @staticmethod
+ def split_nevr(nevr):
+ """Split name and version information from recipe "nevr" string"""
+ n_e_v, revision = nevr.rsplit('-', 1)
+ match = re.match(r'^(?P<name>\S+)-((?P<epoch>[0-9]{1,5})_)?(?P<version>[0-9]\S*)$',
+ n_e_v)
+ if not match:
+ # If we're not able to parse a version starting with a number, just
+ # take the part after last dash
+ match = re.match(r'^(?P<name>\S+)-((?P<epoch>[0-9]{1,5})_)?(?P<version>[^-]+)$',
+ n_e_v)
+ name = match.group('name')
+ version = match.group('version')
+ epoch = match.group('epoch')
+ return name, epoch, version, revision
+
+ @classmethod
+ def from_dir(cls, path):
+ """Load buildstats from a buildstats directory"""
+ if not os.path.isfile(os.path.join(path, 'build_stats')):
+ raise BSError("{} does not look like a buildstats directory".format(path))
+
+ log.debug("Reading buildstats directory %s", path)
+
+ buildstats = cls()
+ subdirs = os.listdir(path)
+ for dirname in subdirs:
+ recipe_dir = os.path.join(path, dirname)
+ if not os.path.isdir(recipe_dir):
+ continue
+ name, epoch, version, revision = cls.split_nevr(dirname)
+ bsrecipe = BSRecipe(name, epoch, version, revision)
+ for task in os.listdir(recipe_dir):
+ bsrecipe.tasks[task] = BSTask.from_file(
+ os.path.join(recipe_dir, task))
+ if name in buildstats:
+ raise BSError("Cannot handle multiple versions of the same "
+ "package ({})".format(name))
+ buildstats[name] = bsrecipe
+
+ return buildstats
+
+ def aggregate(self, buildstats):
+ """Aggregate other buildstats into this"""
+ if set(self.keys()) != set(buildstats.keys()):
+ raise ValueError("Refusing to aggregate buildstats, set of "
+ "recipes is different")
+ for pkg, data in buildstats.items():
+ self[pkg].aggregate(data)
+
+
+def diff_buildstats(bs1, bs2, stat_attr, min_val=None, min_absdiff=None):
+ """Compare the tasks of two buildstats"""
+ tasks_diff = []
+ pkgs = set(bs1.keys()).union(set(bs2.keys()))
+ for pkg in pkgs:
+ tasks1 = bs1[pkg].tasks if pkg in bs1 else {}
+ tasks2 = bs2[pkg].tasks if pkg in bs2 else {}
+ if not tasks1:
+ pkg_op = '+'
+ elif not tasks2:
+ pkg_op = '-'
+ else:
+ pkg_op = ' '
+
+ for task in set(tasks1.keys()).union(set(tasks2.keys())):
+ task_op = ' '
+ if task in tasks1:
+ val1 = getattr(bs1[pkg].tasks[task], stat_attr)
+ else:
+ task_op = '+'
+ val1 = 0
+ if task in tasks2:
+ val2 = getattr(bs2[pkg].tasks[task], stat_attr)
+ else:
+ val2 = 0
+ task_op = '-'
+
+ if val1 == 0:
+ reldiff = float('inf')
+ else:
+ reldiff = 100 * (val2 - val1) / val1
+
+ if min_val and max(val1, val2) < min_val:
+ log.debug("Filtering out %s:%s (%s)", pkg, task,
+ max(val1, val2))
+ continue
+ if min_absdiff and abs(val2 - val1) < min_absdiff:
+ log.debug("Filtering out %s:%s (difference of %s)", pkg, task,
+ val2-val1)
+ continue
+ tasks_diff.append(TaskDiff(pkg, pkg_op, task, task_op, val1, val2,
+ val2-val1, reldiff))
+ return tasks_diff