From 7e2ce2f7f47e77b46d66dcefbd0c391e58421103 Mon Sep 17 00:00:00 2001 From: Fernando Sahmkow Date: Sun, 29 Mar 2020 17:06:46 -0400 Subject: [PATCH] SingleCore: Improve Cycle timing Behavior and replace mutex in global scheduler for spinlock. --- src/core/cpu_manager.cpp | 1 + src/core/hle/kernel/scheduler.h | 2 +- src/core/hle/kernel/server_session.cpp | 3 ++- 3 files changed, 4 insertions(+), 2 deletions(-) diff --git a/src/core/cpu_manager.cpp b/src/core/cpu_manager.cpp index 6044050607..d604aa4464 100644 --- a/src/core/cpu_manager.cpp +++ b/src/core/cpu_manager.cpp @@ -253,6 +253,7 @@ void CpuManager::SingleCoreRunIdleThread() { while (true) { auto& physical_core = kernel.CurrentPhysicalCore(); PreemptSingleCore(false); + system.CoreTiming().AddTicks(1000U); idle_count++; auto& scheduler = physical_core.Scheduler(); scheduler.TryDoContextSwitch(); diff --git a/src/core/hle/kernel/scheduler.h b/src/core/hle/kernel/scheduler.h index f63cc50859..10dc4b832a 100644 --- a/src/core/hle/kernel/scheduler.h +++ b/src/core/hle/kernel/scheduler.h @@ -188,7 +188,7 @@ private: /// Scheduler lock mechanisms. bool is_locked{}; - std::mutex inner_lock{}; // TODO(Blinkhawk): Replace for a SpinLock + Common::SpinLock inner_lock{}; std::atomic scope_lock{}; Core::EmuThreadHandle current_owner{Core::EmuThreadHandle::InvalidHandle()}; diff --git a/src/core/hle/kernel/server_session.cpp b/src/core/hle/kernel/server_session.cpp index 05516a453f..e988a3f222 100644 --- a/src/core/hle/kernel/server_session.cpp +++ b/src/core/hle/kernel/server_session.cpp @@ -185,7 +185,8 @@ ResultCode ServerSession::CompleteSyncRequest() { ResultCode ServerSession::HandleSyncRequest(std::shared_ptr thread, Core::Memory::Memory& memory) { ResultCode result = QueueSyncRequest(std::move(thread), memory); - Core::System::GetInstance().CoreTiming().ScheduleEvent(0, request_event, {}); + const u64 delay = kernel.IsMulticore() ? 0U : 20000U; + Core::System::GetInstance().CoreTiming().ScheduleEvent(delay, request_event, {}); return result; }