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packages/firefox-esr/power9-jit-744151.diff

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# HG changeset patch
# User Cameron Kaiser <spectre@floodgap.com>
# Date 1694807083 25200
# Fri Sep 15 12:44:43 2023 -0700
# Node ID 3ac07c6a65bceaeb75d59aafa7728388c31ea11d
# Parent ba4e29926385c655d979fe4c3726f1bedbcc42b7
PGO build stuff, hardcode ion off in test build
diff -r ba4e29926385 -r 3ac07c6a65bc build/moz.configure/lto-pgo.configure
--- a/build/moz.configure/lto-pgo.configure Thu Sep 14 21:52:33 2023 -0700
+++ b/build/moz.configure/lto-pgo.configure Fri Sep 15 12:44:43 2023 -0700
@@ -81,17 +81,17 @@
@depends(c_compiler, pgo_profile_path, target_is_windows)
@imports("multiprocessing")
def pgo_flags(compiler, profdata, target_is_windows):
if compiler.type == "gcc":
return namespace(
gen_cflags=["-fprofile-generate"],
gen_ldflags=["-fprofile-generate"],
- use_cflags=["-fprofile-use", "-fprofile-correction", "-Wcoverage-mismatch"],
+ use_cflags=["-fprofile-use", "-fprofile-correction", "-Wno-coverage-mismatch"],
use_ldflags=["-fprofile-use"],
)
if compiler.type in ("clang-cl", "clang"):
prefix = ""
if compiler.type == "clang-cl":
prefix = "/clang:"
gen_ldflags = None
diff -r ba4e29926385 -r 3ac07c6a65bc build/pgo/profileserver.py
--- a/build/pgo/profileserver.py Thu Sep 14 21:52:33 2023 -0700
+++ b/build/pgo/profileserver.py Fri Sep 15 12:44:43 2023 -0700
@@ -82,19 +82,32 @@
docroot=os.path.join(build.topsrcdir, "build", "pgo"),
path_mappings=path_mappings,
)
httpd.start(block=False)
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
profile_data_dir = os.path.join(build.topsrcdir, "testing", "profiles")
with open(os.path.join(profile_data_dir, "profiles.json"), "r") as fh:
base_profiles = json.load(fh)["profileserver"]
prefpaths = [
@@ -208,16 +221,20 @@
# Try to move the crash reports to the artifacts even if Firefox appears
# to exit successfully, in case there's a crash that doesn't set the
# return code to non-zero for some reason.
if get_crashreports(profilePath, name="Firefox exited successfully?") != 0:
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")
if not profraw_files:
print(
"Could not find profraw files in the current directory: %s"
% os.getcwd()
)
diff -r ba4e29926385 -r 3ac07c6a65bc js/xpconnect/src/XPCJSContext.cpp
--- a/js/xpconnect/src/XPCJSContext.cpp Thu Sep 14 21:52:33 2023 -0700
+++ b/js/xpconnect/src/XPCJSContext.cpp Fri Sep 15 12:44:43 2023 -0700
@@ -895,18 +895,18 @@
false);
JS_SetGlobalJitCompilerOption(cx, JSJITCOMPILER_JIT_HINTS_ENABLE, false);
sSelfHostedUseSharedMemory = false;
} else {
JS_SetGlobalJitCompilerOption(
cx, JSJITCOMPILER_BASELINE_ENABLE,
StaticPrefs::javascript_options_baselinejit_DoNotUseDirectly());
JS_SetGlobalJitCompilerOption(
- cx, JSJITCOMPILER_ION_ENABLE,
- StaticPrefs::javascript_options_ion_DoNotUseDirectly());
+ cx, JSJITCOMPILER_ION_ENABLE, false); // XXX
+ //StaticPrefs::javascript_options_ion_DoNotUseDirectly());
JS_SetGlobalJitCompilerOption(cx,
JSJITCOMPILER_JIT_TRUSTEDPRINCIPALS_ENABLE,
useJitForTrustedPrincipals);
JS_SetGlobalJitCompilerOption(
cx, JSJITCOMPILER_NATIVE_REGEXP_ENABLE,
StaticPrefs::javascript_options_native_regexp_DoNotUseDirectly());
// Only enable the jit hints cache for the content process to avoid
// any possible jank or delays on the parent process.
diff -r ba4e29926385 -r 3ac07c6a65bc modules/libpref/init/all.js
--- a/modules/libpref/init/all.js Thu Sep 14 21:52:33 2023 -0700
+++ b/modules/libpref/init/all.js Fri Sep 15 12:44:43 2023 -0700
@@ -951,21 +951,21 @@
// that are associated with other domains which have
// user interaction (even if they don't have user
// interaction directly).
pref("privacy.purge_trackers.consider_entity_list", false);
pref("dom.event.contextmenu.enabled", true);
pref("javascript.enabled", true);
-pref("javascript.options.asmjs", true);
-pref("javascript.options.wasm", true);
-pref("javascript.options.wasm_trustedprincipals", true);
+pref("javascript.options.asmjs", false);
+pref("javascript.options.wasm", false);
+pref("javascript.options.wasm_trustedprincipals", false);
pref("javascript.options.wasm_verbose", false);
-pref("javascript.options.wasm_baselinejit", true);
+pref("javascript.options.wasm_baselinejit", false);
pref("javascript.options.parallel_parsing", true);
pref("javascript.options.source_pragmas", true);
pref("javascript.options.asyncstack", true);
// Broadly capturing async stack data adds overhead that is only advisable for
// developers, so we only enable it when the devtools are open, by default.
pref("javascript.options.asyncstack_capture_debuggee_only", true);
diff -r ba4e29926385 -r 3ac07c6a65bc third_party/libwebrtc/moz.build
--- a/third_party/libwebrtc/moz.build Thu Sep 14 21:52:33 2023 -0700
+++ b/third_party/libwebrtc/moz.build Fri Sep 15 12:44:43 2023 -0700
@@ -675,17 +675,22 @@
"/third_party/libwebrtc/modules/audio_processing/agc2/rnn_vad/vector_math_avx2_gn",
"/third_party/libwebrtc/modules/desktop_capture/desktop_capture_differ_sse2_gn"
]
if CONFIG["CPU_ARCH"] == "ppc64" and CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
DIRS += [
"/third_party/libwebrtc/modules/desktop_capture/desktop_capture_gn",
- "/third_party/libwebrtc/modules/desktop_capture/primitives_gn"
+ "/third_party/libwebrtc/modules/desktop_capture/primitives_gn",
+ "/third_party/libwebrtc/modules/portal/portal_gn",
+ "/third_party/libwebrtc/third_party/drm/drm_gn",
+ "/third_party/libwebrtc/third_party/gbm/gbm_gn",
+ "/third_party/libwebrtc/third_party/libepoxy/libepoxy_gn",
+ "/third_party/libwebrtc/third_party/pipewire/pipewire_gn"
]
if CONFIG["CPU_ARCH"] == "riscv64" and CONFIG["MOZ_X11"] == "1" and CONFIG["OS_TARGET"] == "Linux":
DIRS += [
"/third_party/libwebrtc/modules/desktop_capture/desktop_capture_gn",
"/third_party/libwebrtc/modules/desktop_capture/primitives_gn"
]
diff -r ba4e29926385 -r 3ac07c6a65bc toolkit/components/terminator/nsTerminator.cpp
--- a/toolkit/components/terminator/nsTerminator.cpp Thu Sep 14 21:52:33 2023 -0700
+++ b/toolkit/components/terminator/nsTerminator.cpp Fri Sep 15 12:44:43 2023 -0700
@@ -455,16 +455,21 @@
// Defend against overflow
crashAfterMS = INT32_MAX;
} else {
crashAfterMS *= scaleUp;
}
}
#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());
// crashAfterTicks is guaranteed to be > 0 as
// crashAfterMS >= ADDITIONAL_WAIT_BEFORE_CRASH_MS >> HEARTBEAT_INTERVAL_MS
options->crashAfterTicks = crashAfterMS / HEARTBEAT_INTERVAL_MS;
DebugOnly<PRThread*> watchdogThread =
CreateSystemThread(RunWatchdog, options.release());
MOZ_ASSERT(watchdogThread);
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