512af8216c
compare_build_trace.py finds additional modules that exists in the
target_build.trace.gz file compared to the ref_build.trace.gz file.
Bug: 289003298
Test: compare_build_trace.py build.trace.gz target_name \
ref_build.trace.gz ref_name \
ignore_text
Change-Id: Ib6b17b8107583ecd76a0e1216293ac903e0b54b9
84 lines
3.0 KiB
Python
84 lines
3.0 KiB
Python
#!/usr/bin/env python3
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#
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# Copyright (C) 2023 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import sys
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from read_build_trace_gz import Trace
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def compare(target, target_name, ref, ref_name, ignore_text=None):
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"""Compares which modules are built additionally from the target compared to
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the ref trace. It returns the additional modules sorted by the build time
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duration.
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Args:
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target: Trace class, The build.trace.gz information of the target build.
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It has duration dictionary of {module_name:duration}.
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target_name: str, target name of the target build.
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ref: Trace class, The build.trace.gz information of the reference build.
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ref_name: str, target name of the reference build.
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Returns:
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list of (module, duration) pairs, sum of all durations
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"""
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additional_modules = dict()
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additional_time = 0
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# Trace.duration is a dictionary of module_name:duration.
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for mod in target.duration.keys():
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if ignore_text and ignore_text in mod:
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continue
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if mod.replace(target_name, ref_name) not in ref.duration:
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additional_modules[mod] = target.duration[mod]
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additional_time += target.duration[mod]
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return (sorted(additional_modules.items(), key=lambda x:x[1], reverse=True),
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additional_time)
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def usec_to_min(usec):
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min = usec // 60000000
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sec = usec % 60000000 // 1000000
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msec = usec % 1000000 // 1000
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return (min, sec, msec)
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def main(argv):
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# args: target_build.trace.gz target_name
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# ref_build.trace.gz ref_name
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# (ignore_text)
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ignore_text = None
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if len(argv) == 6:
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ignore_text = argv[5]
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elif len(argv) < 5 or len(argv) > 6:
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print("usage: compare_build_trace.py target_build.trace.gz target_name")
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print(" ref_build.trace.gz ref_name")
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print(" [ignore_text]")
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sys.exit(1)
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additional_modules, additional_time = compare(Trace(argv[1]), argv[2],
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Trace(argv[3]), argv[4],
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ignore_text)
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for module, duration in additional_modules:
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min, sec, msec = usec_to_min(duration)
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print('{min}m {sec}s {msec}ms: {name}'.format(
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min=min, sec=sec, msec=msec, name=module))
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min, sec, msec = usec_to_min(additional_time)
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print('Total: {min}m {sec}s {msec}ms'.format(
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min=min, sec=sec, msec=msec))
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if __name__ == '__main__':
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main(sys.argv) |