| #!/usr/bin/env python |
| |
| # Copyright (c) 2013 Google Inc. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| """ |
| Make sure PGO is working properly. |
| """ |
| |
| import TestGyp |
| |
| import os |
| import sys |
| |
| if sys.platform == 'win32': |
| test = TestGyp.TestGyp(formats=['msvs', 'ninja']) |
| |
| CHDIR = 'linker-flags' |
| test.run_gyp('pgo.gyp', chdir=CHDIR) |
| |
| def IsPGOAvailable(): |
| """Returns true if the Visual Studio available here supports PGO.""" |
| test.build('pgo.gyp', 'gen_linker_option', chdir=CHDIR) |
| tmpfile = test.read(test.built_file_path('linker_options.txt', chdir=CHDIR)) |
| return any(line.find('PGOPTIMIZE') for line in tmpfile) |
| |
| # Test generated build files look fine. |
| if test.format == 'ninja': |
| ninja = test.built_file_path('obj/test_pgo_instrument.ninja', chdir=CHDIR) |
| test.must_contain(ninja, '/LTCG:PGINSTRUMENT') |
| test.must_contain(ninja, 'test_pgo.pgd') |
| ninja = test.built_file_path('obj/test_pgo_optimize.ninja', chdir=CHDIR) |
| test.must_contain(ninja, '/LTCG:PGOPTIMIZE') |
| test.must_contain(ninja, 'test_pgo.pgd') |
| ninja = test.built_file_path('obj/test_pgo_update.ninja', chdir=CHDIR) |
| test.must_contain(ninja, '/LTCG:PGUPDATE') |
| test.must_contain(ninja, 'test_pgo.pgd') |
| elif test.format == 'msvs': |
| LTCG_FORMAT = '<LinkTimeCodeGeneration>%s</LinkTimeCodeGeneration>' |
| vcproj = test.workpath('linker-flags/test_pgo_instrument.vcxproj') |
| test.must_contain(vcproj, LTCG_FORMAT % 'PGInstrument') |
| test.must_contain(vcproj, 'test_pgo.pgd') |
| vcproj = test.workpath('linker-flags/test_pgo_optimize.vcxproj') |
| test.must_contain(vcproj, LTCG_FORMAT % 'PGOptimization') |
| test.must_contain(vcproj, 'test_pgo.pgd') |
| vcproj = test.workpath('linker-flags/test_pgo_update.vcxproj') |
| test.must_contain(vcproj, LTCG_FORMAT % 'PGUpdate') |
| test.must_contain(vcproj, 'test_pgo.pgd') |
| |
| # When PGO is available, try building binaries with PGO. |
| if IsPGOAvailable(): |
| pgd_path = test.built_file_path('test_pgo.pgd', chdir=CHDIR) |
| |
| # Test if 'PGInstrument' generates PGD (Profile-Guided Database) file. |
| if os.path.exists(pgd_path): |
| test.unlink(pgd_path) |
| test.must_not_exist(pgd_path) |
| test.build('pgo.gyp', 'test_pgo_instrument', chdir=CHDIR) |
| test.must_exist(pgd_path) |
| |
| # Test if 'PGOptimize' works well |
| test.build('pgo.gyp', 'test_pgo_optimize', chdir=CHDIR) |
| test.must_contain_any_line(test.stdout(), ['profiled functions']) |
| |
| # Test if 'PGUpdate' works well |
| test.build('pgo.gyp', 'test_pgo_update', chdir=CHDIR) |
| # With 'PGUpdate', linker should not complain that sources are changed after |
| # the previous training run. |
| test.touch(test.workpath('linker-flags/inline_test_main.cc')) |
| test.unlink(test.built_file_path('test_pgo_update.exe', chdir=CHDIR)) |
| test.build('pgo.gyp', 'test_pgo_update', chdir=CHDIR) |
| test.must_contain_any_line(test.stdout(), ['profiled functions']) |
| |
| test.pass_test() |