diff options
Diffstat (limited to 'pgo.patch')
| -rw-r--r-- | pgo.patch | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/pgo.patch b/pgo.patch new file mode 100644 index 0000000..13a445b --- /dev/null +++ b/pgo.patch @@ -0,0 +1,112 @@ +diff -up firefox-88.0/build/moz.configure/lto-pgo.configure.pgo firefox-88.0/build/moz.configure/lto-pgo.configure +--- firefox-88.0/build/moz.configure/lto-pgo.configure.pgo 2021-04-15 21:44:26.000000000 +0200 ++++ firefox-88.0/build/moz.configure/lto-pgo.configure 2021-04-19 13:45:00.240696430 +0200 +@@ -240,13 +240,13 @@ def lto( + 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") +diff -up firefox-88.0/build/pgo/profileserver.py.pgo firefox-88.0/build/pgo/profileserver.py +--- firefox-88.0/build/pgo/profileserver.py.pgo 2021-04-15 21:44:26.000000000 +0200 ++++ firefox-88.0/build/pgo/profileserver.py 2021-04-19 13:45:00.240696430 +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 +@@ -87,9 +87,22 @@ if __name__ == "__main__": + locations = ServerLocations() + locations.add_host(host="127.0.0.1", 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 +@@ -212,6 +225,10 @@ 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-88.0/build/unix/mozconfig.unix.pgo firefox-88.0/build/unix/mozconfig.unix +--- firefox-88.0/build/unix/mozconfig.unix.pgo 2021-04-15 21:44:26.000000000 +0200 ++++ firefox-88.0/build/unix/mozconfig.unix 2021-04-19 13:45:00.240696430 +0200 +@@ -4,6 +4,15 @@ 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-88.0/extensions/spellcheck/src/moz.build.pgo firefox-88.0/extensions/spellcheck/src/moz.build +--- firefox-88.0/extensions/spellcheck/src/moz.build.pgo 2021-04-15 21:44:28.000000000 +0200 ++++ firefox-88.0/extensions/spellcheck/src/moz.build 2021-04-19 13:45:00.240696430 +0200 +@@ -31,3 +31,5 @@ EXPORTS.mozilla += [ + + if CONFIG["CC_TYPE"] in ("clang", "gcc"): + CXXFLAGS += ["-Wno-error=shadow"] ++ ++CXXFLAGS += ['-fno-devirtualize'] +diff -up firefox-88.0/toolkit/components/terminator/nsTerminator.cpp.pgo firefox-88.0/toolkit/components/terminator/nsTerminator.cpp +--- firefox-88.0/toolkit/components/terminator/nsTerminator.cpp.pgo 2021-04-19 13:45:00.240696430 +0200 ++++ firefox-88.0/toolkit/components/terminator/nsTerminator.cpp 2021-04-19 13:46:01.144530790 +0200 +@@ -456,6 +456,11 @@ void nsTerminator::StartWatchdog() { + } + #endif + ++ // Disable watchdog for PGO train builds - writting profile information at ++ // exit may take time and it is better to make build hang rather than ++ // silently produce poorly performing binary. ++ crashAfterMS = INT32_MAX; ++ + UniquePtr<Options> options(new Options()); + const PRIntervalTime ticksDuration = + PR_MillisecondsToInterval(HEARTBEAT_INTERVAL_MS); |