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Rework CoreTiming

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This commit is contained in:
Kelebek1 2022-07-10 06:59:40 +01:00
parent c765d5be0b
commit 240650f6a6
13 changed files with 154 additions and 82 deletions
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10
src/audio_core/audio_renderer.cpp
View file

@ -2,6 +2,7 @@
// SPDX-License-Identifier: GPL-2.0-or-later
#include <limits>
#include <optional>
#include <vector>
#include "audio_core/audio_out.h"
@ -88,9 +89,12 @@ AudioRenderer::AudioRenderer(Core::Timing::CoreTiming& core_timing_, Core::Memor
stream = audio_out->OpenStream(
core_timing, params.sample_rate, AudioCommon::STREAM_NUM_CHANNELS,
fmt::format("AudioRenderer-Instance{}", instance_number), std::move(release_callback));
process_event = Core::Timing::CreateEvent(
fmt::format("AudioRenderer-Instance{}-Process", instance_number),
[this](std::uintptr_t, std::chrono::nanoseconds) { ReleaseAndQueueBuffers(); });
process_event =
Core::Timing::CreateEvent(fmt::format("AudioRenderer-Instance{}-Process", instance_number),
[this](std::uintptr_t, s64, std::chrono::nanoseconds) {
ReleaseAndQueueBuffers();
return std::nullopt;
});
for (s32 i = 0; i < NUM_BUFFERS; ++i) {
QueueMixedBuffer(i);
}

5
src/audio_core/stream.cpp
View file

@ -34,9 +34,10 @@ Stream::Stream(Core::Timing::CoreTiming& core_timing_, u32 sample_rate_, Format
ReleaseCallback&& release_callback_, SinkStream& sink_stream_, std::string&& name_)
: sample_rate{sample_rate_}, format{format_}, release_callback{std::move(release_callback_)},
sink_stream{sink_stream_}, core_timing{core_timing_}, name{std::move(name_)} {
release_event =
Core::Timing::CreateEvent(name, [this](std::uintptr_t, std::chrono::nanoseconds ns_late) {
release_event = Core::Timing::CreateEvent(
name, [this](std::uintptr_t, s64 time, std::chrono::nanoseconds ns_late) {
ReleaseActiveBuffer(ns_late);
return std::nullopt;
});
}

75
src/core/core_timing.cpp
View file

@ -22,10 +22,11 @@ std::shared_ptr<EventType> CreateEvent(std::string name, TimedCallback&& callbac
}
struct CoreTiming::Event {
u64 time;
s64 time;
u64 fifo_order;
std::uintptr_t user_data;
std::weak_ptr<EventType> type;
s64 reschedule_time;
// Sort by time, unless the times are the same, in which case sort by
// the order added to the queue
@ -58,7 +59,8 @@ void CoreTiming::Initialize(std::function<void()>&& on_thread_init_) {
event_fifo_id = 0;
shutting_down = false;
ticks = 0;
const auto empty_timed_callback = [](std::uintptr_t, std::chrono::nanoseconds) {};
const auto empty_timed_callback = [](std::uintptr_t, u64, std::chrono::nanoseconds)
-> std::optional<std::chrono::nanoseconds> { return std::nullopt; };
ev_lost = CreateEvent("_lost_event", empty_timed_callback);
if (is_multicore) {
worker_threads.emplace_back(ThreadEntry, std::ref(*this), 0);
@ -76,6 +78,7 @@ void CoreTiming::Shutdown() {
thread.join();
}
worker_threads.clear();
pause_callbacks.clear();
ClearPendingEvents();
has_started = false;
}
@ -93,6 +96,14 @@ void CoreTiming::Pause(bool is_paused_) {
}
}
paused_state.store(is_paused_, std::memory_order_relaxed);
if (!is_paused_) {
pause_end_time = GetGlobalTimeNs().count();
}
for (auto& cb : pause_callbacks) {
cb(is_paused_);
}
}
void CoreTiming::SyncPause(bool is_paused_) {
@ -116,6 +127,14 @@ void CoreTiming::SyncPause(bool is_paused_) {
wait_signal_cv.wait(main_lock, [this] { return pause_count == 0; });
}
}
if (!is_paused_) {
pause_end_time = GetGlobalTimeNs().count();
}
for (auto& cb : pause_callbacks) {
cb(is_paused_);
}
}
bool CoreTiming::IsRunning() const {
@ -129,12 +148,30 @@ bool CoreTiming::HasPendingEvents() const {
void CoreTiming::ScheduleEvent(std::chrono::nanoseconds ns_into_future,
const std::shared_ptr<EventType>& event_type,
std::uintptr_t user_data) {
std::uintptr_t user_data, bool absolute_time) {
std::unique_lock main_lock(event_mutex);
const u64 timeout = static_cast<u64>((GetGlobalTimeNs() + ns_into_future).count());
const auto next_time{absolute_time ? ns_into_future : GetGlobalTimeNs() + ns_into_future};
event_queue.emplace_back(Event{timeout, event_fifo_id++, user_data, event_type});
event_queue.emplace_back(Event{next_time.count(), event_fifo_id++, user_data, event_type, 0});
pending_events.fetch_add(1, std::memory_order_relaxed);
std::push_heap(event_queue.begin(), event_queue.end(), std::greater<>());
if (is_multicore) {
event_cv.notify_one();
}
}
void CoreTiming::ScheduleLoopingEvent(std::chrono::nanoseconds start_time,
std::chrono::nanoseconds resched_time,
const std::shared_ptr<EventType>& event_type,
std::uintptr_t user_data, bool absolute_time) {
std::unique_lock main_lock(event_mutex);
const auto next_time{absolute_time ? start_time : GetGlobalTimeNs() + start_time};
event_queue.emplace_back(
Event{next_time.count(), event_fifo_id++, user_data, event_type, resched_time.count()});
pending_events.fetch_add(1, std::memory_order_relaxed);
std::push_heap(event_queue.begin(), event_queue.end(), std::greater<>());
@ -213,6 +250,11 @@ void CoreTiming::RemoveEvent(const std::shared_ptr<EventType>& event_type) {
}
}
void CoreTiming::RegisterPauseCallback(PauseCallback&& callback) {
std::unique_lock main_lock(event_mutex);
pause_callbacks.emplace_back(std::move(callback));
}
std::optional<s64> CoreTiming::Advance() {
global_timer = GetGlobalTimeNs().count();
@ -223,14 +265,31 @@ std::optional<s64> CoreTiming::Advance() {
event_queue.pop_back();
if (const auto event_type{evt.type.lock()}) {
event_mutex.unlock();
const s64 delay = static_cast<s64>(GetGlobalTimeNs().count() - evt.time);
event_type->callback(evt.user_data, std::chrono::nanoseconds{delay});
const auto new_schedule_time{event_type->callback(
evt.user_data, evt.time,
std::chrono::nanoseconds{GetGlobalTimeNs().count() - evt.time})};
event_mutex.lock();
pending_events.fetch_sub(1, std::memory_order_relaxed);
if (evt.reschedule_time != 0) {
// If this event was scheduled into a pause, its time now is going to be way behind.
// Re-set this event to continue from the end of the pause.
auto next_time{evt.time + evt.reschedule_time};
if (evt.time < pause_end_time) {
next_time = pause_end_time + evt.reschedule_time;
}
const auto next_schedule_time{new_schedule_time.has_value()
? new_schedule_time.value().count()
: evt.reschedule_time};
event_queue.emplace_back(
Event{next_time, event_fifo_id++, evt.user_data, evt.type, next_schedule_time});
pending_events.fetch_add(1, std::memory_order_relaxed);
std::push_heap(event_queue.begin(), event_queue.end(), std::greater<>());
}
}
global_timer = GetGlobalTimeNs().count();

23
src/core/core_timing.h
View file

@ -20,8 +20,9 @@
namespace Core::Timing {
/// A callback that may be scheduled for a particular core timing event.
using TimedCallback =
std::function<void(std::uintptr_t user_data, std::chrono::nanoseconds ns_late)>;
using TimedCallback = std::function<std::optional<std::chrono::nanoseconds>(
std::uintptr_t user_data, s64 time, std::chrono::nanoseconds ns_late)>;
using PauseCallback = std::function<void(bool paused)>;
/// Contains the characteristics of a particular event.
struct EventType {
@ -93,7 +94,15 @@ public:
/// Schedules an event in core timing
void ScheduleEvent(std::chrono::nanoseconds ns_into_future,
const std::shared_ptr<EventType>& event_type, std::uintptr_t user_data = 0);
const std::shared_ptr<EventType>& event_type, std::uintptr_t user_data = 0,
bool absolute_time = false);
/// Schedules an event which will automatically re-schedule itself with the given time, until
/// unscheduled
void ScheduleLoopingEvent(std::chrono::nanoseconds start_time,
std::chrono::nanoseconds resched_time,
const std::shared_ptr<EventType>& event_type,
std::uintptr_t user_data = 0, bool absolute_time = false);
void UnscheduleEvent(const std::shared_ptr<EventType>& event_type, std::uintptr_t user_data);
@ -125,6 +134,9 @@ public:
/// Checks for events manually and returns time in nanoseconds for next event, threadsafe.
std::optional<s64> Advance();
/// Register a callback function to be called when coretiming pauses.
void RegisterPauseCallback(PauseCallback&& callback);
private:
struct Event;
@ -136,7 +148,7 @@ private:
std::unique_ptr<Common::WallClock> clock;
u64 global_timer = 0;
s64 global_timer = 0;
// The queue is a min-heap using std::make_heap/push_heap/pop_heap.
// We don't use std::priority_queue because we need to be able to serialize, unserialize and
@ -162,10 +174,13 @@ private:
bool shutting_down{};
bool is_multicore{};
size_t pause_count{};
s64 pause_end_time{};
/// Cycle timing
u64 ticks{};
s64 downcount{};
std::vector<PauseCallback> pause_callbacks{};
};
/// Creates a core timing event with the given name and callback.

5
src/core/hardware_interrupt_manager.cpp
View file

@ -11,11 +11,14 @@ namespace Core::Hardware {
InterruptManager::InterruptManager(Core::System& system_in) : system(system_in) {
gpu_interrupt_event = Core::Timing::CreateEvent(
"GPUInterrupt", [this](std::uintptr_t message, std::chrono::nanoseconds) {
"GPUInterrupt",
[this](std::uintptr_t message, u64 time,
std::chrono::nanoseconds) -> std::optional<std::chrono::nanoseconds> {
auto nvdrv = system.ServiceManager().GetService<Service::Nvidia::NVDRV>("nvdrv");
const u32 syncpt = static_cast<u32>(message >> 32);
const u32 value = static_cast<u32>(message);
nvdrv->SignalGPUInterruptSyncpt(syncpt, value);
return std::nullopt;
});
}

10
src/core/hle/kernel/kernel.cpp
View file

@ -234,17 +234,19 @@ struct KernelCore::Impl {
void InitializePreemption(KernelCore& kernel) {
preemption_event = Core::Timing::CreateEvent(
"PreemptionCallback", [this, &kernel](std::uintptr_t, std::chrono::nanoseconds) {
"PreemptionCallback",
[this, &kernel](std::uintptr_t, s64 time,
std::chrono::nanoseconds) -> std::optional<std::chrono::nanoseconds> {
{
KScopedSchedulerLock lock(kernel);
global_scheduler_context->PreemptThreads();
}
const auto time_interval = std::chrono::nanoseconds{std::chrono::milliseconds(10)};
system.CoreTiming().ScheduleEvent(time_interval, preemption_event);
return std::nullopt;
});
const auto time_interval = std::chrono::nanoseconds{std::chrono::milliseconds(10)};
system.CoreTiming().ScheduleEvent(time_interval, preemption_event);
system.CoreTiming().ScheduleLoopingEvent(std::chrono::nanoseconds(0), time_interval,
preemption_event);
}
void InitializeShutdownThreads() {

20
src/core/hle/kernel/time_manager.cpp
View file

@ -11,15 +11,17 @@
namespace Kernel {
TimeManager::TimeManager(Core::System& system_) : system{system_} {
time_manager_event_type =
Core::Timing::CreateEvent("Kernel::TimeManagerCallback",
[this](std::uintptr_t thread_handle, std::chrono::nanoseconds) {
KThread* thread = reinterpret_cast<KThread*>(thread_handle);
{
KScopedSchedulerLock sl(system.Kernel());
thread->OnTimer();
}
});
time_manager_event_type = Core::Timing::CreateEvent(
"Kernel::TimeManagerCallback",
[this](std::uintptr_t thread_handle, s64 time,
std::chrono::nanoseconds) -> std::optional<std::chrono::nanoseconds> {
KThread* thread = reinterpret_cast<KThread*>(thread_handle);
{
KScopedSchedulerLock sl(system.Kernel());
thread->OnTimer();
}
return std::nullopt;
});
}
void TimeManager::ScheduleTimeEvent(KThread* thread, s64 nanoseconds) {

42
src/core/hle/service/hid/hid.cpp
View file

@ -74,26 +74,35 @@ IAppletResource::IAppletResource(Core::System& system_,
// Register update callbacks
pad_update_event = Core::Timing::CreateEvent(
"HID::UpdatePadCallback",
[this](std::uintptr_t user_data, std::chrono::nanoseconds ns_late) {
[this](std::uintptr_t user_data, s64 time,
std::chrono::nanoseconds ns_late) -> std::optional<std::chrono::nanoseconds> {
const auto guard = LockService();
UpdateControllers(user_data, ns_late);
return std::nullopt;
});
mouse_keyboard_update_event = Core::Timing::CreateEvent(
"HID::UpdateMouseKeyboardCallback",
[this](std::uintptr_t user_data, std::chrono::nanoseconds ns_late) {
[this](std::uintptr_t user_data, s64 time,
std::chrono::nanoseconds ns_late) -> std::optional<std::chrono::nanoseconds> {
const auto guard = LockService();
UpdateMouseKeyboard(user_data, ns_late);
return std::nullopt;
});
motion_update_event = Core::Timing::CreateEvent(
"HID::UpdateMotionCallback",
[this](std::uintptr_t user_data, std::chrono::nanoseconds ns_late) {
[this](std::uintptr_t user_data, s64 time,
std::chrono::nanoseconds ns_late) -> std::optional<std::chrono::nanoseconds> {
const auto guard = LockService();
UpdateMotion(user_data, ns_late);
return std::nullopt;
});
system.CoreTiming().ScheduleEvent(pad_update_ns, pad_update_event);
system.CoreTiming().ScheduleEvent(mouse_keyboard_update_ns, mouse_keyboard_update_event);
system.CoreTiming().ScheduleEvent(motion_update_ns, motion_update_event);
system.CoreTiming().ScheduleLoopingEvent(std::chrono::nanoseconds(0), pad_update_ns,
pad_update_event);
system.CoreTiming().ScheduleLoopingEvent(std::chrono::nanoseconds(0), mouse_keyboard_update_ns,
mouse_keyboard_update_event);
system.CoreTiming().ScheduleLoopingEvent(std::chrono::nanoseconds(0), motion_update_ns,
motion_update_event);
system.HIDCore().ReloadInputDevices();
}
@ -135,13 +144,6 @@ void IAppletResource::UpdateControllers(std::uintptr_t user_data,
}
controller->OnUpdate(core_timing);
}
// If ns_late is higher than the update rate ignore the delay
if (ns_late > pad_update_ns) {
ns_late = {};
}
core_timing.ScheduleEvent(pad_update_ns - ns_late, pad_update_event);
}
void IAppletResource::UpdateMouseKeyboard(std::uintptr_t user_data,
@ -150,26 +152,12 @@ void IAppletResource::UpdateMouseKeyboard(std::uintptr_t user_data,
controllers[static_cast<size_t>(HidController::Mouse)]->OnUpdate(core_timing);
controllers[static_cast<size_t>(HidController::Keyboard)]->OnUpdate(core_timing);
// If ns_late is higher than the update rate ignore the delay
if (ns_late > mouse_keyboard_update_ns) {
ns_late = {};
}
core_timing.ScheduleEvent(mouse_keyboard_update_ns - ns_late, mouse_keyboard_update_event);
}
void IAppletResource::UpdateMotion(std::uintptr_t user_data, std::chrono::nanoseconds ns_late) {
auto& core_timing = system.CoreTiming();
controllers[static_cast<size_t>(HidController::NPad)]->OnMotionUpdate(core_timing);
// If ns_late is higher than the update rate ignore the delay
if (ns_late > motion_update_ns) {
ns_late = {};
}
core_timing.ScheduleEvent(motion_update_ns - ns_late, motion_update_event);
}
class IActiveVibrationDeviceList final : public ServiceFramework<IActiveVibrationDeviceList> {

16
src/core/hle/service/hid/hidbus.cpp
View file

@ -50,12 +50,15 @@ HidBus::HidBus(Core::System& system_)
// Register update callbacks
hidbus_update_event = Core::Timing::CreateEvent(
"Hidbus::UpdateCallback",
[this](std::uintptr_t user_data, std::chrono::nanoseconds ns_late) {
[this](std::uintptr_t user_data, s64 time,
std::chrono::nanoseconds ns_late) -> std::optional<std::chrono::nanoseconds> {
const auto guard = LockService();
UpdateHidbus(user_data, ns_late);
return std::nullopt;
});
system_.CoreTiming().ScheduleEvent(hidbus_update_ns, hidbus_update_event);
system_.CoreTiming().ScheduleLoopingEvent(std::chrono::nanoseconds(0), hidbus_update_ns,
hidbus_update_event);
}
HidBus::~HidBus() {
@ -63,8 +66,6 @@ HidBus::~HidBus() {
}
void HidBus::UpdateHidbus(std::uintptr_t user_data, std::chrono::nanoseconds ns_late) {
auto& core_timing = system.CoreTiming();
if (is_hidbus_enabled) {
for (std::size_t i = 0; i < devices.size(); ++i) {
if (!devices[i].is_device_initializated) {
@ -82,13 +83,6 @@ void HidBus::UpdateHidbus(std::uintptr_t user_data, std::chrono::nanoseconds ns_
sizeof(HidbusStatusManagerEntry));
}
}
// If ns_late is higher than the update rate ignore the delay
if (ns_late > hidbus_update_ns) {
ns_late = {};
}
core_timing.ScheduleEvent(hidbus_update_ns - ns_late, hidbus_update_event);
}
std::optional<std::size_t> HidBus::GetDeviceIndexFromHandle(BusHandle handle) const {

13
src/core/hle/service/nvflinger/nvflinger.cpp
View file

@ -67,21 +67,20 @@ NVFlinger::NVFlinger(Core::System& system_, HosBinderDriverServer& hos_binder_dr
// Schedule the screen composition events
composition_event = Core::Timing::CreateEvent(
"ScreenComposition", [this](std::uintptr_t, std::chrono::nanoseconds ns_late) {
"ScreenComposition",
[this](std::uintptr_t, s64 time,
std::chrono::nanoseconds ns_late) -> std::optional<std::chrono::nanoseconds> {
const auto lock_guard = Lock();
Compose();
const auto ticks = std::chrono::nanoseconds{GetNextTicks()};
const auto ticks_delta = ticks - ns_late;
const auto future_ns = std::max(std::chrono::nanoseconds::zero(), ticks_delta);
this->system.CoreTiming().ScheduleEvent(future_ns, composition_event);
return std::chrono::nanoseconds(GetNextTicks()) - ns_late;
});
if (system.IsMulticore()) {
vsync_thread = std::jthread([this](std::stop_token token) { SplitVSync(token); });
} else {
system.CoreTiming().ScheduleEvent(frame_ns, composition_event);
system.CoreTiming().ScheduleLoopingEvent(std::chrono::nanoseconds(0), frame_ns,
composition_event);
}
}

8
src/core/memory/cheat_engine.cpp
View file

@ -184,10 +184,12 @@ CheatEngine::~CheatEngine() {
void CheatEngine::Initialize() {
event = Core::Timing::CreateEvent(
"CheatEngine::FrameCallback::" + Common::HexToString(metadata.main_nso_build_id),
[this](std::uintptr_t user_data, std::chrono::nanoseconds ns_late) {
[this](std::uintptr_t user_data, s64 time,
std::chrono::nanoseconds ns_late) -> std::optional<std::chrono::nanoseconds> {
FrameCallback(user_data, ns_late);
return std::nullopt;
});
core_timing.ScheduleEvent(CHEAT_ENGINE_NS, event);
core_timing.ScheduleLoopingEvent(std::chrono::nanoseconds(0), CHEAT_ENGINE_NS, event);
metadata.process_id = system.CurrentProcess()->GetProcessID();
metadata.title_id = system.GetCurrentProcessProgramID();
@ -237,8 +239,6 @@ void CheatEngine::FrameCallback(std::uintptr_t, std::chrono::nanoseconds ns_late
MICROPROFILE_SCOPE(Cheat_Engine);
vm.Execute(metadata);
core_timing.ScheduleEvent(CHEAT_ENGINE_NS - ns_late, event);
}
} // namespace Core::Memory

4
src/core/tools/freezer.cpp
View file

@ -53,8 +53,10 @@ Freezer::Freezer(Core::Timing::CoreTiming& core_timing_, Core::Memory::Memory& m
: core_timing{core_timing_}, memory{memory_} {
event = Core::Timing::CreateEvent(
"MemoryFreezer::FrameCallback",
[this](std::uintptr_t user_data, std::chrono::nanoseconds ns_late) {
[this](std::uintptr_t user_data, s64 time,
std::chrono::nanoseconds ns_late) -> std::optional<std::chrono::nanoseconds> {
FrameCallback(user_data, ns_late);
return std::nullopt;
});
core_timing.ScheduleEvent(memory_freezer_ns, event);
}

5
src/tests/core/core_timing.cpp
View file

@ -9,6 +9,7 @@
#include <cstdlib>
#include <memory>
#include <mutex>
#include <optional>
#include <string>
#include "core/core.h"
@ -25,13 +26,15 @@ u64 expected_callback = 0;
std::mutex control_mutex;
template <unsigned int IDX>
void HostCallbackTemplate(std::uintptr_t user_data, std::chrono::nanoseconds ns_late) {
std::optional<std::chrono::nanoseconds> HostCallbackTemplate(std::uintptr_t user_data, s64 time,
std::chrono::nanoseconds ns_late) {
std::unique_lock<std::mutex> lk(control_mutex);
static_assert(IDX < CB_IDS.size(), "IDX out of range");
callbacks_ran_flags.set(IDX);
REQUIRE(CB_IDS[IDX] == user_data);
delays[IDX] = ns_late.count();
++expected_callback;
return std::nullopt;
}
struct ScopeInit final {