diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/common/wall_clock.cpp | 4 | ||||
-rw-r--r-- | src/common/wall_clock.h | 2 | ||||
-rw-r--r-- | src/common/x64/native_clock.cpp | 7 | ||||
-rw-r--r-- | src/common/x64/native_clock.h | 2 | ||||
-rw-r--r-- | src/core/core.cpp | 2 | ||||
-rw-r--r-- | src/core/core_timing.cpp | 6 | ||||
-rw-r--r-- | src/core/core_timing.h | 1 |
7 files changed, 23 insertions, 1 deletions
diff --git a/src/common/wall_clock.cpp b/src/common/wall_clock.cpp index d4d35f4e7..a46db6bbf 100644 --- a/src/common/wall_clock.cpp +++ b/src/common/wall_clock.cpp @@ -53,6 +53,10 @@ public: return Common::Divide128On32(temporary, 1000000000).first; } + void Pause(bool is_paused) override { + // Do nothing in this clock type. + } + private: base_time_point start_time; }; diff --git a/src/common/wall_clock.h b/src/common/wall_clock.h index ed284cf50..367d72134 100644 --- a/src/common/wall_clock.h +++ b/src/common/wall_clock.h @@ -28,6 +28,8 @@ public: /// Returns current wall time in emulated cpu cycles virtual u64 GetCPUCycles() = 0; + virtual void Pause(bool is_paused) = 0; + /// Tells if the wall clock, uses the host CPU's hardware clock bool IsNative() const { return is_native; diff --git a/src/common/x64/native_clock.cpp b/src/common/x64/native_clock.cpp index 26d4d0ba6..926f92ff8 100644 --- a/src/common/x64/native_clock.cpp +++ b/src/common/x64/native_clock.cpp @@ -65,6 +65,13 @@ u64 NativeClock::GetRTSC() { return accumulated_ticks; } +void NativeClock::Pause(bool is_paused) { + if (!is_paused) { + _mm_mfence(); + last_measure = __rdtsc(); + } +} + std::chrono::nanoseconds NativeClock::GetTimeNS() { const u64 rtsc_value = GetRTSC(); return std::chrono::nanoseconds{MultiplyAndDivide64(rtsc_value, 1000000000, rtsc_frequency)}; diff --git a/src/common/x64/native_clock.h b/src/common/x64/native_clock.h index b58cf9f5a..3851f8fc2 100644 --- a/src/common/x64/native_clock.h +++ b/src/common/x64/native_clock.h @@ -26,6 +26,8 @@ public: u64 GetCPUCycles() override; + void Pause(bool is_paused) override; + private: u64 GetRTSC(); diff --git a/src/core/core.cpp b/src/core/core.cpp index e8936b09d..1d6179a80 100644 --- a/src/core/core.cpp +++ b/src/core/core.cpp @@ -137,8 +137,8 @@ struct System::Impl { ResultStatus Pause() { status = ResultStatus::Success; - kernel.Suspend(true); core_timing.SyncPause(true); + kernel.Suspend(true); cpu_manager.Pause(true); return status; diff --git a/src/core/core_timing.cpp b/src/core/core_timing.cpp index cc32a853b..5a7abcfca 100644 --- a/src/core/core_timing.cpp +++ b/src/core/core_timing.cpp @@ -77,6 +77,9 @@ void CoreTiming::SyncPause(bool is_paused) { return; } Pause(is_paused); + if (!is_paused) { + pause_event.Set(); + } event.Set(); while (paused_set != is_paused) ; @@ -197,6 +200,9 @@ void CoreTiming::ThreadLoop() { wait_set = false; } paused_set = true; + clock->Pause(true); + pause_event.Wait(); + clock->Pause(false); } } diff --git a/src/core/core_timing.h b/src/core/core_timing.h index 707c8ef0c..c70b605c8 100644 --- a/src/core/core_timing.h +++ b/src/core/core_timing.h @@ -136,6 +136,7 @@ private: std::shared_ptr<EventType> ev_lost; Common::Event event{}; + Common::Event pause_event{}; Common::SpinLock basic_lock{}; Common::SpinLock advance_lock{}; std::unique_ptr<std::thread> timer_thread; |