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7bf72f012c
firefox/pgo.patch
Martin Stransky 7bf72f012c Added fix for mozbz#1656727
2020-10-06 12:00:47 +02:00

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diff -up firefox-81.0.1/build/moz.configure/lto-pgo.configure.pgo firefox-81.0.1/build/moz.configure/lto-pgo.configure
--- firefox-81.0.1/build/moz.configure/lto-pgo.configure.pgo 2020-09-30 19:41:10.000000000 +0200
+++ firefox-81.0.1/build/moz.configure/lto-pgo.configure 2020-10-01 14:48:15.459225300 +0200
@@ -69,12 +69,14 @@ set_config('PGO_PROFILE_PATH', pgo_profi
@imports(_from='__builtin__', _import='min')
def pgo_flags(compiler, profdata, target_is_windows):
if compiler.type == 'gcc':
+ #profile_use = '-fprofile-use=$(topobjdir)'
+ profile_use = '-fprofile-use'
return namespace(
gen_cflags=['-fprofile-generate'],
gen_ldflags=['-fprofile-generate'],
- use_cflags=['-fprofile-use', '-fprofile-correction',
+ use_cflags=[profile_use, '-fprofile-correction',
'-Wcoverage-mismatch'],
- use_ldflags=['-fprofile-use'],
+ use_ldflags=[profile_use],
)
if compiler.type in ('clang-cl', 'clang'):
@@ -192,13 +194,13 @@ def lto(value, c_compiler, ld64_known_go
cflags.append("-flto")
ldflags.append("-flto")
else:
- cflags.append("-flto=thin")
- ldflags.append("-flto=thin")
+ cflags.append("-flto")
+ ldflags.append("-flto")
elif c_compiler.type == 'clang-cl':
if len(value) and value[0].lower() == 'full':
cflags.append("-flto")
else:
- cflags.append("-flto=thin")
+ cflags.append("-flto")
# With clang-cl, -flto can only be used with -c or -fuse-ld=lld.
# AC_TRY_LINKs during configure don't have -c, so pass -fuse-ld=lld.
cflags.append("-fuse-ld=lld");
@@ -232,7 +234,7 @@ def lto(value, c_compiler, ld64_known_go
if len(value) and value[0].lower() == 'full':
cflags.append("-flto")
else:
- cflags.append("-flto=thin")
+ cflags.append("-flto")
cflags.append("-flifetime-dse=1")
ldflags.append("-flto=%s" % num_cores)
diff -up firefox-81.0.1/build/pgo/profileserver.py.pgo firefox-81.0.1/build/pgo/profileserver.py
--- firefox-81.0.1/build/pgo/profileserver.py.pgo 2020-09-30 19:41:10.000000000 +0200
+++ firefox-81.0.1/build/pgo/profileserver.py 2020-10-01 13:54:58.535312905 +0200
@@ -11,7 +11,7 @@ import glob
import subprocess
import mozcrash
-from mozbuild.base import MozbuildObject, BinaryNotFoundException
+from mozbuild.base import MozbuildObject, BinaryNotFoundException, BuildEnvironmentNotFoundException
from mozfile import TemporaryDirectory
from mozhttpd import MozHttpd
from mozprofile import FirefoxProfile, Preferences
@@ -84,9 +84,22 @@ if __name__ == '__main__':
port=PORT,
options='primary,privileged')
- old_profraw_files = glob.glob('*.profraw')
- for f in old_profraw_files:
- os.remove(f)
+ using_gcc = False
+ try:
+ if build.config_environment.substs.get('CC_TYPE') == 'gcc':
+ using_gcc = True
+ except BuildEnvironmentNotFoundException:
+ pass
+
+ if using_gcc:
+ for dirpath, _, filenames in os.walk('.'):
+ for f in filenames:
+ if f.endswith('.gcda'):
+ os.remove(os.path.join(dirpath, f))
+ else:
+ old_profraw_files = glob.glob('*.profraw')
+ for f in old_profraw_files:
+ os.remove(f)
with TemporaryDirectory() as profilePath:
# TODO: refactor this into mozprofile
@@ -191,6 +204,11 @@ if __name__ == '__main__':
print("Firefox exited successfully, but produced a crashreport")
sys.exit(1)
+
+ print('Copying profile data....')
+ os.system('pwd');
+ os.system('tar cf profdata.tar.gz `find . -name "*.gcda"`; cd ..; tar xf instrumented/profdata.tar.gz;');
+
llvm_profdata = env.get('LLVM_PROFDATA')
if llvm_profdata:
profraw_files = glob.glob('*.profraw')
diff -up firefox-81.0.1/build/unix/mozconfig.unix.pgo firefox-81.0.1/build/unix/mozconfig.unix
--- firefox-81.0.1/build/unix/mozconfig.unix.pgo 2020-09-30 19:41:10.000000000 +0200
+++ firefox-81.0.1/build/unix/mozconfig.unix 2020-10-01 13:54:58.535312905 +0200
@@ -6,6 +6,15 @@ if [ -n "$FORCE_GCC" ]; then
CC="$MOZ_FETCHES_DIR/gcc/bin/gcc"
CXX="$MOZ_FETCHES_DIR/gcc/bin/g++"
+ if [ -n "$MOZ_PGO" ]; then
+ if [ -z "$USE_ARTIFACT" ]; then
+ ac_add_options --enable-lto
+ fi
+ export AR="$topsrcdir/gcc/bin/gcc-ar"
+ export NM="$topsrcdir/gcc/bin/gcc-nm"
+ export RANLIB="$topsrcdir/gcc/bin/gcc-ranlib"
+ fi
+
# We want to make sure we use binutils and other binaries in the tooltool
# package.
mk_add_options "export PATH=$MOZ_FETCHES_DIR/gcc/bin:$PATH"
diff -up firefox-81.0.1/extensions/spellcheck/src/moz.build.pgo firefox-81.0.1/extensions/spellcheck/src/moz.build
--- firefox-81.0.1/extensions/spellcheck/src/moz.build.pgo 2020-09-30 19:41:17.000000000 +0200
+++ firefox-81.0.1/extensions/spellcheck/src/moz.build 2020-10-01 13:54:58.535312905 +0200
@@ -31,3 +31,5 @@ EXPORTS.mozilla += [
if CONFIG['CC_TYPE'] in ('clang', 'gcc'):
CXXFLAGS += ['-Wno-error=shadow']
+
+CXXFLAGS += ['-fno-devirtualize']
\ No newline at end of file
diff -up firefox-81.0.1/python/mozbuild/mozbuild/build_commands.py.pgo firefox-81.0.1/python/mozbuild/mozbuild/build_commands.py
--- firefox-81.0.1/python/mozbuild/mozbuild/build_commands.py.pgo 2020-09-30 19:41:46.000000000 +0200
+++ firefox-81.0.1/python/mozbuild/mozbuild/build_commands.py 2020-10-01 13:54:58.535312905 +0200
@@ -108,7 +108,8 @@ class Build(MachCommandBase):
return status
pgo_env = os.environ.copy()
- pgo_env['LLVM_PROFDATA'] = instr.config_environment.substs.get('LLVM_PROFDATA')
+ if instr.config_environment.substs.get('CC_TYPE') != 'gcc':
+ pgo_env['LLVM_PROFDATA'] = instr.config_environment.substs.get('LLVM_PROFDATA')
pgo_env['JARLOG_FILE'] = mozpath.join(orig_topobjdir, 'jarlog/en-US.log')
pgo_cmd = [
instr.virtualenv_manager.python_path,
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