109 lines
5.2 KiB
Python
109 lines
5.2 KiB
Python
#!/usr/bin/env python3
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#
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# Copyright (C) 2021 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 filecmp
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import os
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from pathlib import Path
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import shutil
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import tempfile
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from binary_cache_builder import BinaryCacheBuilder
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from simpleperf_utils import ReadElf, remove, ToolFinder
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from . test_utils import TestBase, TestHelper
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class TestBinaryCacheBuilder(TestBase):
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def test_copy_binaries_from_symfs_dirs(self):
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readelf = ReadElf(TestHelper.ndk_path)
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strip = ToolFinder.find_tool_path('llvm-strip', arch='arm')
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self.assertIsNotNone(strip)
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symfs_dir = os.path.join(self.test_dir, 'symfs_dir')
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remove(symfs_dir)
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os.mkdir(symfs_dir)
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filename = 'simpleperf_runtest_two_functions_arm'
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origin_file = TestHelper.testdata_path(filename)
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source_file = os.path.join(symfs_dir, filename)
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target_file = os.path.join('binary_cache', filename)
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expected_build_id = readelf.get_build_id(origin_file)
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binary_cache_builder = BinaryCacheBuilder(TestHelper.ndk_path, False)
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binary_cache_builder.binaries['simpleperf_runtest_two_functions_arm'] = expected_build_id
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# Copy binary if target file doesn't exist.
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remove(target_file)
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self.run_cmd([strip, '--strip-all', '-o', source_file, origin_file])
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binary_cache_builder.copy_binaries_from_symfs_dirs([symfs_dir])
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self.assertTrue(filecmp.cmp(target_file, source_file))
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# Copy binary if target file doesn't have .symtab and source file has .symtab.
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self.run_cmd([strip, '--strip-debug', '-o', source_file, origin_file])
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binary_cache_builder.copy_binaries_from_symfs_dirs([symfs_dir])
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self.assertTrue(filecmp.cmp(target_file, source_file))
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# Copy binary if target file doesn't have .debug_line and source_files has .debug_line.
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shutil.copy(origin_file, source_file)
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binary_cache_builder.copy_binaries_from_symfs_dirs([symfs_dir])
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self.assertTrue(filecmp.cmp(target_file, source_file))
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def test_copy_elf_without_build_id_from_symfs_dir(self):
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binary_cache_builder = BinaryCacheBuilder(TestHelper.ndk_path, False)
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binary_cache_builder.binaries['elf'] = ''
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symfs_dir = TestHelper.testdata_path('data/symfs_without_build_id')
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source_file = os.path.join(symfs_dir, 'elf')
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target_file = os.path.join('binary_cache', 'elf')
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binary_cache_builder.copy_binaries_from_symfs_dirs([symfs_dir])
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self.assertTrue(filecmp.cmp(target_file, source_file))
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binary_cache_builder.pull_binaries_from_device()
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self.assertTrue(filecmp.cmp(target_file, source_file))
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def test_prefer_binary_with_debug_info(self):
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binary_cache_builder = BinaryCacheBuilder(TestHelper.ndk_path, False)
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binary_cache_builder.collect_used_binaries(
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TestHelper.testdata_path('runtest_two_functions_arm64_perf.data'))
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# Create a symfs_dir, which contains elf file with and without debug info.
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with tempfile.TemporaryDirectory() as tmp_dir:
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shutil.copy(
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TestHelper.testdata_path(
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'simpleperf_runtest_two_functions_arm64_without_debug_info'),
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Path(tmp_dir) / 'simpleperf_runtest_two_functions_arm64')
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debug_dir = Path(tmp_dir) / 'debug'
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debug_dir.mkdir()
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shutil.copy(TestHelper.testdata_path(
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'simpleperf_runtest_two_functions_arm64'), debug_dir)
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# Check if the elf file with debug info is chosen.
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binary_cache_builder.copy_binaries_from_symfs_dirs([tmp_dir])
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elf_path = (Path(binary_cache_builder.binary_cache_dir) / 'data' /
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'local' / 'tmp' / 'simpleperf_runtest_two_functions_arm64')
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self.assertTrue(elf_path.is_file())
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self.assertIn('.debug_info', binary_cache_builder.readelf.get_sections(elf_path))
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def test_create_build_id_list(self):
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symfs_dir = TestHelper.testdata_dir
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binary_cache_builder = BinaryCacheBuilder(TestHelper.ndk_path, False)
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binary_cache_builder.collect_used_binaries(
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TestHelper.testdata_path('runtest_two_functions_arm64_perf.data'))
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binary_cache_builder.copy_binaries_from_symfs_dirs([symfs_dir])
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elf_path = (Path(binary_cache_builder.binary_cache_dir) / 'data' /
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'local' / 'tmp' / 'simpleperf_runtest_two_functions_arm64')
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self.assertTrue(elf_path.is_file())
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binary_cache_builder.create_build_id_list()
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build_id_list_path = Path(binary_cache_builder.binary_cache_dir) / 'build_id_list'
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self.assertTrue(build_id_list_path.is_file())
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with open(build_id_list_path, 'r') as fh:
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self.assertIn('simpleperf_runtest_two_functions_arm64', fh.read())
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