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[engine] set platform thread name to ui. #55362

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Sep 25, 2024
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[engine] set platform thread name to ui. #55362

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fd51492
[engine] set platform thread name to ui.
Sep 23, 2024
0d9ee3e
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Sep 24, 2024
9d2491b
testing
Sep 25, 2024
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Sep 25, 2024
6c55442
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Sep 25, 2024
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12 changes: 9 additions & 3 deletions runtime/dart_isolate.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -633,10 +633,16 @@ bool DartIsolate::UpdateThreadPoolNames() const {
}

if (auto task_runner = task_runners.GetPlatformTaskRunner()) {
bool is_merged_platform_ui_thread =
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@chinmaygarde chinmaygarde Sep 25, 2024

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Maybe we should have a static method that returns if current thread is the platform main thread (with platform specific implementations for checks).

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@jonahwilliams jonahwilliams Sep 25, 2024

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what sort of platform specific checks would we perform?

task_runner == task_runners.GetUITaskRunner();
std::string label;
if (is_merged_platform_ui_thread) {
label = task_runners.GetLabel() + std::string{".ui"};
} else {
label = task_runners.GetLabel() + std::string{".platform"};
}
task_runner->PostTask(
[label = task_runners.GetLabel() + std::string{".platform"}]() {
Dart_SetThreadName(label.c_str());
});
[label = std::move(label)]() { Dart_SetThreadName(label.c_str()); });
}

return true;
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16 changes: 8 additions & 8 deletions shell/platform/android/android_shell_holder.cc
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Expand Up @@ -89,17 +89,17 @@ AndroidShellHolder::AndroidShellHolder(
static size_t thread_host_count = 1;
auto thread_label = std::to_string(thread_host_count++);

auto mask =
ThreadHost::Type::kUi | ThreadHost::Type::kRaster | ThreadHost::Type::kIo;
auto mask = ThreadHost::Type::kRaster | ThreadHost::Type::kIo;
if (!settings.merged_platform_ui_thread) {
mask |= ThreadHost::Type::kUi;
}

flutter::ThreadHost::ThreadHostConfig host_config(
thread_label, mask, AndroidPlatformThreadConfigSetter);
if (!settings.merged_platform_ui_thread) {
host_config.ui_config = fml::Thread::ThreadConfig(
flutter::ThreadHost::ThreadHostConfig::MakeThreadName(
flutter::ThreadHost::Type::kUi, thread_label),
fml::Thread::ThreadPriority::kDisplay);
}
host_config.ui_config = fml::Thread::ThreadConfig(
flutter::ThreadHost::ThreadHostConfig::MakeThreadName(
flutter::ThreadHost::Type::kUi, thread_label),
fml::Thread::ThreadPriority::kDisplay);
host_config.raster_config = fml::Thread::ThreadConfig(
flutter::ThreadHost::ThreadHostConfig::MakeThreadName(
flutter::ThreadHost::Type::kRaster, thread_label),
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17 changes: 8 additions & 9 deletions shell/platform/darwin/ios/framework/Source/FlutterEngine.mm
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Expand Up @@ -792,8 +792,10 @@ + (NSString*)generateThreadLabel:(NSString*)labelPrefix {
// initialized.
fml::MessageLoop::EnsureInitializedForCurrentThread();

uint32_t threadHostType = flutter::ThreadHost::Type::kUi | flutter::ThreadHost::Type::kRaster |
flutter::ThreadHost::Type::kIo;
uint32_t threadHostType = flutter::ThreadHost::Type::kRaster | flutter::ThreadHost::Type::kIo;
if (!settings.enable_impeller) {
threadHostType |= flutter::ThreadHost::Type::kUi;
}

if ([FlutterEngine isProfilerEnabled]) {
threadHostType = threadHostType | flutter::ThreadHost::Type::kProfiler;
Expand All @@ -802,13 +804,10 @@ + (NSString*)generateThreadLabel:(NSString*)labelPrefix {
flutter::ThreadHost::ThreadHostConfig host_config(thread_label.UTF8String, threadHostType,
IOSPlatformThreadConfigSetter);

if (!settings.enable_impeller) {
host_config.ui_config =
fml::Thread::ThreadConfig(flutter::ThreadHost::ThreadHostConfig::MakeThreadName(
flutter::ThreadHost::Type::kUi, thread_label.UTF8String),
fml::Thread::ThreadPriority::kDisplay);
}

host_config.ui_config =
fml::Thread::ThreadConfig(flutter::ThreadHost::ThreadHostConfig::MakeThreadName(
flutter::ThreadHost::Type::kUi, thread_label.UTF8String),
fml::Thread::ThreadPriority::kDisplay);
host_config.raster_config =
fml::Thread::ThreadConfig(flutter::ThreadHost::ThreadHostConfig::MakeThreadName(
flutter::ThreadHost::Type::kRaster, thread_label.UTF8String),
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