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| author | Rahul Chaudhry <rahulchaudhry@chromium.org> | 2018-05-09 16:55:35 -0700 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2018-05-12 14:25:22 -0700 |
| commit | b0c2d48d1723aaa2bf1f6582500b91ffce252b34 (patch) | |
| tree | ade51d8d1115745688e0fbcf4c1bf4601cb317f0 /debug_info_test/debug_info_test.py | |
| parent | 9b17afe07eb646cfb55720a4b1ea7c2f60bc4a2e (diff) | |
| download | toolchain-utils-b0c2d48d1723aaa2bf1f6582500b91ffce252b34.tar.gz | |
debug_info_test: check that chrome was built with ICF enabled
For both amd64 and arm, when ICF (Identical Code Folding) is enabled,
there is >60,000 drop in the number of unique addresses of text symbols.
We check here that the drop is at least 10,000.
See https://crbug.com/813272#c18 for details.
BUG=chromium:813272
TEST='./debug_info_test.py /build/chell/usr/lib/debug/opt/google/chrome/chrome.debug'
TEST='./debug_info_test.py /build/elm/usr/lib/debug/opt/google/chrome/chrome.debug'
Change-Id: I23d1b48e6547bf3042096bed1c566ec50c5b2d66
Reviewed-on: https://chromium-review.googlesource.com/1053388
Commit-Ready: Rahul Chaudhry <rahulchaudhry@chromium.org>
Tested-by: Rahul Chaudhry <rahulchaudhry@chromium.org>
Reviewed-by: Manoj Gupta <manojgupta@chromium.org>
Reviewed-by: Yunlian Jiang <yunlian@chromium.org>
Diffstat (limited to 'debug_info_test/debug_info_test.py')
| -rwxr-xr-x | debug_info_test/debug_info_test.py | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/debug_info_test/debug_info_test.py b/debug_info_test/debug_info_test.py index 99b8e010..f5afd644 100755 --- a/debug_info_test/debug_info_test.py +++ b/debug_info_test/debug_info_test.py @@ -8,11 +8,13 @@ import os import subprocess import sys +import check_icf import check_cus import check_exist elf_checks = [check_exist.check_exist_all, - check_cus.check_compile_units] + check_cus.check_compile_units, + check_icf.check_identical_code_folding] def scanelf(root): """find ELFs in root |