#!/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)