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Merge pull request #7765 from bunnei/update-thread-count
hle: kernel: KThread: Improve Increment/Decrement RunningThreadCount.
This commit is contained in:
commit
4f9f55ec21
3 changed files with 21 additions and 24 deletions
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@ -146,6 +146,13 @@ ResultCode KProcess::Initialize(KProcess* process, Core::System& system, std::st
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// Open a reference to the resource limit.
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process->resource_limit->Open();
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// Clear remaining fields.
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process->num_running_threads = 0;
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process->is_signaled = false;
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process->exception_thread = nullptr;
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process->is_suspended = false;
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process->schedule_count = 0;
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return ResultSuccess;
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}
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@ -157,20 +164,17 @@ KResourceLimit* KProcess::GetResourceLimit() const {
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return resource_limit;
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}
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void KProcess::IncrementThreadCount() {
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ASSERT(num_threads >= 0);
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num_created_threads++;
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if (const auto count = ++num_threads; count > peak_num_threads) {
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peak_num_threads = count;
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}
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void KProcess::IncrementRunningThreadCount() {
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ASSERT(num_running_threads.load() >= 0);
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++num_running_threads;
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}
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void KProcess::DecrementThreadCount() {
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ASSERT(num_threads > 0);
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void KProcess::DecrementRunningThreadCount() {
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ASSERT(num_running_threads.load() > 0);
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if (const auto count = --num_threads; count == 0) {
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LOG_WARNING(Kernel, "Process termination is not fully implemented.");
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if (const auto prev = num_running_threads--; prev == 1) {
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// TODO(bunnei): Process termination to be implemented when multiprocess is supported.
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UNIMPLEMENTED_MSG("KProcess termination is not implemennted!");
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}
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}
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@ -235,8 +235,8 @@ public:
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++schedule_count;
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}
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void IncrementThreadCount();
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void DecrementThreadCount();
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void IncrementRunningThreadCount();
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void DecrementRunningThreadCount();
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void SetRunningThread(s32 core, KThread* thread, u64 idle_count) {
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running_threads[core] = thread;
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@ -473,9 +473,7 @@ private:
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bool is_suspended{};
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bool is_initialized{};
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std::atomic<s32> num_created_threads{};
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std::atomic<u16> num_threads{};
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u16 peak_num_threads{};
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std::atomic<u16> num_running_threads{};
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std::array<KThread*, Core::Hardware::NUM_CPU_CORES> running_threads{};
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std::array<u64, Core::Hardware::NUM_CPU_CORES> running_thread_idle_counts{};
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@ -215,7 +215,6 @@ ResultCode KThread::Initialize(KThreadFunction func, uintptr_t arg, VAddr user_s
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parent = owner;
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parent->Open();
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parent->IncrementThreadCount();
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}
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// Initialize thread context.
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@ -327,11 +326,6 @@ void KThread::Finalize() {
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}
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}
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// Decrement the parent process's thread count.
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if (parent != nullptr) {
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parent->DecrementThreadCount();
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}
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// Perform inherited finalization.
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KSynchronizationObject::Finalize();
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}
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@ -1011,7 +1005,7 @@ ResultCode KThread::Run() {
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if (IsUserThread() && IsSuspended()) {
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this->UpdateState();
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}
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owner->IncrementThreadCount();
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owner->IncrementRunningThreadCount();
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}
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// Set our state and finish.
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@ -1026,10 +1020,11 @@ ResultCode KThread::Run() {
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void KThread::Exit() {
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ASSERT(this == GetCurrentThreadPointer(kernel));
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// Release the thread resource hint from parent.
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// Release the thread resource hint, running thread count from parent.
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if (parent != nullptr) {
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parent->GetResourceLimit()->Release(Kernel::LimitableResource::Threads, 0, 1);
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resource_limit_release_hint = true;
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parent->DecrementRunningThreadCount();
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}
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// Perform termination.
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