diff options
Diffstat (limited to 'src/core/host_timing.cpp')
-rw-r--r-- | src/core/host_timing.cpp | 21 |
1 files changed, 9 insertions, 12 deletions
diff --git a/src/core/host_timing.cpp b/src/core/host_timing.cpp index d9514b2c57..ef9977b760 100644 --- a/src/core/host_timing.cpp +++ b/src/core/host_timing.cpp @@ -35,7 +35,11 @@ struct CoreTiming::Event { } }; -CoreTiming::CoreTiming() = default; +CoreTiming::CoreTiming() { + Common::WallClock* wall = Common::CreateBestMatchingClock(Core::Timing::BASE_CLOCK_RATE, Core::Timing::CNTFREQ); + clock = std::unique_ptr<Common::WallClock>(wall); +} + CoreTiming::~CoreTiming() = default; void CoreTiming::ThreadEntry(CoreTiming& instance) { @@ -46,7 +50,6 @@ void CoreTiming::Initialize() { event_fifo_id = 0; const auto empty_timed_callback = [](u64, s64) {}; ev_lost = CreateEvent("_lost_event", empty_timed_callback); - start_time = std::chrono::steady_clock::now(); timer_thread = std::make_unique<std::thread>(ThreadEntry, std::ref(*this)); } @@ -108,13 +111,11 @@ void CoreTiming::UnscheduleEvent(const std::shared_ptr<EventType>& event_type, u } u64 CoreTiming::GetCPUTicks() const { - std::chrono::nanoseconds time_now = GetGlobalTimeNs(); - return Core::Timing::nsToCycles(time_now); + return clock->GetCPUCycles(); } u64 CoreTiming::GetClockTicks() const { - std::chrono::nanoseconds time_now = GetGlobalTimeNs(); - return Core::Timing::nsToClockCycles(time_now); + return clock->GetClockCycles(); } void CoreTiming::ClearPendingEvents() { @@ -174,15 +175,11 @@ void CoreTiming::Advance() { } std::chrono::nanoseconds CoreTiming::GetGlobalTimeNs() const { - sys_time_point current = std::chrono::steady_clock::now(); - auto elapsed = current - start_time; - return std::chrono::duration_cast<std::chrono::nanoseconds>(elapsed); + return clock->GetTimeNS(); } std::chrono::microseconds CoreTiming::GetGlobalTimeUs() const { - sys_time_point current = std::chrono::steady_clock::now(); - auto elapsed = current - start_time; - return std::chrono::duration_cast<std::chrono::microseconds>(elapsed); + return clock->GetTimeUS(); } } // namespace Core::Timing |