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#!/usr/bin/env python3
#
# Copyright (C) 2023 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import sys
from read_build_trace_gz import Trace
def compare(target, target_name, ref, ref_name, ignore_text=None):
"""Compares which modules are built additionally from the target compared to
the ref trace. It returns the additional modules sorted by the build time
duration.
Args:
target: Trace class, The build.trace.gz information of the target build.
It has duration dictionary of {module_name:duration}.
target_name: str, target name of the target build.
ref: Trace class, The build.trace.gz information of the reference build.
ref_name: str, target name of the reference build.
Returns:
list of (module, duration) pairs, sum of all durations
"""
additional_modules = dict()
additional_time = 0
# Trace.duration is a dictionary of module_name:duration.
for mod in target.duration.keys():
if ignore_text and ignore_text in mod:
continue
if mod.replace(target_name, ref_name) not in ref.duration:
additional_modules[mod] = target.duration[mod]
additional_time += target.duration[mod]
return (sorted(additional_modules.items(), key=lambda x:x[1], reverse=True),
additional_time)
def usec_to_min(usec):
min = usec // 60000000
sec = usec % 60000000 // 1000000
msec = usec % 1000000 // 1000
return (min, sec, msec)
def main(argv):
# args: target_build.trace.gz target_name
# ref_build.trace.gz ref_name
# (ignore_text)
ignore_text = None
if len(argv) == 6:
ignore_text = argv[5]
elif len(argv) < 5 or len(argv) > 6:
print("usage: compare_build_trace.py target_build.trace.gz target_name")
print(" ref_build.trace.gz ref_name")
print(" [ignore_text]")
sys.exit(1)
additional_modules, additional_time = compare(Trace(argv[1]), argv[2],
Trace(argv[3]), argv[4],
ignore_text)
for module, duration in additional_modules:
min, sec, msec = usec_to_min(duration)
print('{min}m {sec}s {msec}ms: {name}'.format(
min=min, sec=sec, msec=msec, name=module))
min, sec, msec = usec_to_min(additional_time)
print('Total: {min}m {sec}s {msec}ms'.format(
min=min, sec=sec, msec=msec))
if __name__ == '__main__':
main(sys.argv)
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