21 files changed, 282 insertions, 151 deletions

diff --git a/src/core/arm/arm_interface.cpp b/src/core/arm/arm_interface.cpp
index 0efc3732f..cef79b245 100644
--- a/src/core/arm/arm_interface.cpp
+++ b/src/core/arm/arm_interface.cpp
@@ -1,6 +1,10 @@
 // SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
+#ifndef _MSC_VER
+#include <cxxabi.h>
+#endif
+
 #include <map>
 #include <optional>
 #include "common/bit_field.h"
@@ -68,8 +72,19 @@ void ARM_Interface::SymbolicateBacktrace(Core::System& system, std::vector<Backt
         if (symbol_set != symbols.end()) {
             const auto symbol = Symbols::GetSymbolName(symbol_set->second, entry.offset);
             if (symbol.has_value()) {
+#ifdef _MSC_VER
                 // TODO(DarkLordZach): Add demangling of symbol names.
                 entry.name = *symbol;
+#else
+                int status{-1};
+                char* demangled{abi::__cxa_demangle(symbol->c_str(), nullptr, nullptr, &status)};
+                if (status == 0 && demangled != nullptr) {
+                    entry.name = demangled;
+                    std::free(demangled);
+                } else {
+                    entry.name = *symbol;
+                }
+#endif
             }
         }
     }
diff --git a/src/core/arm/dynarmic/arm_dynarmic_32.cpp b/src/core/arm/dynarmic/arm_dynarmic_32.cpp
index 10cf72a45..1be5fe1c1 100644
--- a/src/core/arm/dynarmic/arm_dynarmic_32.cpp
+++ b/src/core/arm/dynarmic/arm_dynarmic_32.cpp
@@ -427,18 +427,38 @@ void ARM_Dynarmic_32::PageTableChanged(Common::PageTable& page_table,
 }
 
 std::vector<ARM_Interface::BacktraceEntry> ARM_Dynarmic_32::GetBacktrace(Core::System& system,
-                                                                         u64 sp, u64 lr) {
-    // No way to get accurate stack traces in A32 yet
-    return {};
+                                                                         u64 fp, u64 lr, u64 pc) {
+    std::vector<BacktraceEntry> out;
+    auto& memory = system.Memory();
+
+    out.push_back({"", 0, pc, 0, ""});
+
+    // fp (= r11) points to the last frame record.
+    // Frame records are two words long:
+    // fp+0 : pointer to previous frame record
+    // fp+4 : value of lr for frame
+    while (true) {
+        out.push_back({"", 0, lr, 0, ""});
+        if (!fp || (fp % 4 != 0) || !memory.IsValidVirtualAddressRange(fp, 8)) {
+            break;
+        }
+        lr = memory.Read32(fp + 4);
+        fp = memory.Read32(fp);
+    }
+
+    SymbolicateBacktrace(system, out);
+
+    return out;
 }
 
 std::vector<ARM_Interface::BacktraceEntry> ARM_Dynarmic_32::GetBacktraceFromContext(
     System& system, const ThreadContext32& ctx) {
-    return GetBacktrace(system, ctx.cpu_registers[13], ctx.cpu_registers[14]);
+    const auto& reg = ctx.cpu_registers;
+    return GetBacktrace(system, reg[11], reg[14], reg[15]);
 }
 
 std::vector<ARM_Interface::BacktraceEntry> ARM_Dynarmic_32::GetBacktrace() const {
-    return GetBacktrace(system, GetReg(13), GetReg(14));
+    return GetBacktrace(system, GetReg(11), GetReg(14), GetReg(15));
 }
 
 } // namespace Core
diff --git a/src/core/arm/dynarmic/arm_dynarmic_32.h b/src/core/arm/dynarmic/arm_dynarmic_32.h
index fcbe24f0c..346e9abf8 100644
--- a/src/core/arm/dynarmic/arm_dynarmic_32.h
+++ b/src/core/arm/dynarmic/arm_dynarmic_32.h
@@ -78,7 +78,7 @@ protected:
 private:
     std::shared_ptr<Dynarmic::A32::Jit> MakeJit(Common::PageTable* page_table) const;
 
-    static std::vector<BacktraceEntry> GetBacktrace(Core::System& system, u64 sp, u64 lr);
+    static std::vector<BacktraceEntry> GetBacktrace(Core::System& system, u64 fp, u64 lr, u64 pc);
 
     using JitCacheKey = std::pair<Common::PageTable*, std::size_t>;
     using JitCacheType =
diff --git a/src/core/arm/dynarmic/arm_dynarmic_64.cpp b/src/core/arm/dynarmic/arm_dynarmic_64.cpp
index 92266aa9e..c437f24b8 100644
--- a/src/core/arm/dynarmic/arm_dynarmic_64.cpp
+++ b/src/core/arm/dynarmic/arm_dynarmic_64.cpp
@@ -494,22 +494,22 @@ void ARM_Dynarmic_64::PageTableChanged(Common::PageTable& page_table,
 }
 
 std::vector<ARM_Interface::BacktraceEntry> ARM_Dynarmic_64::GetBacktrace(Core::System& system,
-                                                                         u64 fp, u64 lr) {
+                                                                         u64 fp, u64 lr, u64 pc) {
     std::vector<BacktraceEntry> out;
     auto& memory = system.Memory();
 
-    // fp (= r29) points to the last frame record.
-    // Note that this is the frame record for the *previous* frame, not the current one.
-    // Note we need to subtract 4 from our last read to get the proper address
+    out.push_back({"", 0, pc, 0, ""});
+
+    // fp (= x29) points to the previous frame record.
     // Frame records are two words long:
     // fp+0 : pointer to previous frame record
     // fp+8 : value of lr for frame
     while (true) {
         out.push_back({"", 0, lr, 0, ""});
-        if (!fp) {
+        if (!fp || (fp % 4 != 0) || !memory.IsValidVirtualAddressRange(fp, 16)) {
             break;
         }
-        lr = memory.Read64(fp + 8) - 4;
+        lr = memory.Read64(fp + 8);
         fp = memory.Read64(fp);
     }
 
@@ -520,11 +520,12 @@ std::vector<ARM_Interface::BacktraceEntry> ARM_Dynarmic_64::GetBacktrace(Core::S
 
 std::vector<ARM_Interface::BacktraceEntry> ARM_Dynarmic_64::GetBacktraceFromContext(
     System& system, const ThreadContext64& ctx) {
-    return GetBacktrace(system, ctx.cpu_registers[29], ctx.cpu_registers[30]);
+    const auto& reg = ctx.cpu_registers;
+    return GetBacktrace(system, reg[29], reg[30], ctx.pc);
 }
 
 std::vector<ARM_Interface::BacktraceEntry> ARM_Dynarmic_64::GetBacktrace() const {
-    return GetBacktrace(system, GetReg(29), GetReg(30));
+    return GetBacktrace(system, GetReg(29), GetReg(30), GetPC());
 }
 
 } // namespace Core
diff --git a/src/core/arm/dynarmic/arm_dynarmic_64.h b/src/core/arm/dynarmic/arm_dynarmic_64.h
index 71dbaac5e..c77a83ad7 100644
--- a/src/core/arm/dynarmic/arm_dynarmic_64.h
+++ b/src/core/arm/dynarmic/arm_dynarmic_64.h
@@ -73,7 +73,7 @@ private:
     std::shared_ptr<Dynarmic::A64::Jit> MakeJit(Common::PageTable* page_table,
                                                 std::size_t address_space_bits) const;
 
-    static std::vector<BacktraceEntry> GetBacktrace(Core::System& system, u64 fp, u64 lr);
+    static std::vector<BacktraceEntry> GetBacktrace(Core::System& system, u64 fp, u64 lr, u64 pc);
 
     using JitCacheKey = std::pair<Common::PageTable*, std::size_t>;
     using JitCacheType =
diff --git a/src/core/core_timing.cpp b/src/core/core_timing.cpp
index 140578069..5425637f5 100644
--- a/src/core/core_timing.cpp
+++ b/src/core/core_timing.cpp
@@ -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
@@ -58,15 +59,11 @@ 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) {
-        const auto hardware_concurrency = std::thread::hardware_concurrency();
-        size_t id = 0;
-        worker_threads.emplace_back(ThreadEntry, std::ref(*this), id++);
-        if (hardware_concurrency > 8) {
-            worker_threads.emplace_back(ThreadEntry, std::ref(*this), id++);
-        }
+        worker_threads.emplace_back(ThreadEntry, std::ref(*this), 0);
     }
 }
 
@@ -81,6 +78,7 @@ void CoreTiming::Shutdown() {
         thread.join();
     }
     worker_threads.clear();
+    pause_callbacks.clear();
     ClearPendingEvents();
     has_started = false;
 }
@@ -98,6 +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_) {
@@ -121,6 +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 {
@@ -134,12 +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<>());
@@ -218,6 +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();
 
@@ -228,17 +265,31 @@ std::optional<s64> CoreTiming::Advance() {
         event_queue.pop_back();
 
         if (const auto event_type{evt.type.lock()}) {
-            sequence_mutex.lock();
             event_mutex.unlock();
 
-            event_type->guard.lock();
-            sequence_mutex.unlock();
-            const s64 delay = static_cast<s64>(GetGlobalTimeNs().count() - evt.time);
-            event_type->callback(evt.user_data, std::chrono::nanoseconds{delay});
-            event_type->guard.unlock();
+            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();
diff --git a/src/core/core_timing.h b/src/core/core_timing.h
index a86553e08..09b6ed81a 100644
--- a/src/core/core_timing.h
+++ b/src/core/core_timing.h
@@ -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 {
@@ -32,7 +33,6 @@ struct EventType {
     TimedCallback callback;
     /// A pointer to the name of the event.
     const std::string name;
-    mutable std::mutex guard;
 };
 
 /**
@@ -94,7 +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);
 
@@ -126,6 +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;
 
@@ -137,7 +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
@@ -157,17 +168,19 @@ private:
     std::condition_variable wait_pause_cv;
     std::condition_variable wait_signal_cv;
     mutable std::mutex event_mutex;
-    mutable std::mutex sequence_mutex;
 
     std::atomic<bool> paused_state{};
     bool is_paused{};
     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.
diff --git a/src/core/hardware_interrupt_manager.cpp b/src/core/hardware_interrupt_manager.cpp
index d2d968a76..d08cc3315 100644
--- a/src/core/hardware_interrupt_manager.cpp
+++ b/src/core/hardware_interrupt_manager.cpp
@@ -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;
         });
 }
 
diff --git a/src/core/hid/hid_types.h b/src/core/hid/hid_types.h
index 9f76f9bcb..e49223016 100644
--- a/src/core/hid/hid_types.h
+++ b/src/core/hid/hid_types.h
@@ -272,6 +272,7 @@ enum class VibrationDeviceType : u32 {
     Unknown = 0,
     LinearResonantActuator = 1,
     GcErm = 2,
+    N64 = 3,
 };
 
 // This is nn::hid::VibrationGcErmCommand
diff --git a/src/core/hle/kernel/k_process.cpp b/src/core/hle/kernel/k_process.cpp
index 183c693e3..b662788b3 100644
--- a/src/core/hle/kernel/k_process.cpp
+++ b/src/core/hle/kernel/k_process.cpp
@@ -161,7 +161,7 @@ bool KProcess::ReleaseUserException(KThread* thread) {
                 std::addressof(num_waiters),
                 reinterpret_cast<uintptr_t>(std::addressof(exception_thread)));
             next != nullptr) {
-            next->SetState(ThreadState::Runnable);
+            next->EndWait(ResultSuccess);
         }
 
         KScheduler::SetSchedulerUpdateNeeded(kernel);
diff --git a/src/core/hle/kernel/k_thread.cpp b/src/core/hle/kernel/k_thread.cpp
index 23bf7425a..90de86770 100644
--- a/src/core/hle/kernel/k_thread.cpp
+++ b/src/core/hle/kernel/k_thread.cpp
@@ -308,14 +308,20 @@ void KThread::Finalize() {
 
         auto it = waiter_list.begin();
         while (it != waiter_list.end()) {
-            // Clear the lock owner
-            it->SetLockOwner(nullptr);
+            // Get the thread.
+            KThread* const waiter = std::addressof(*it);
+
+            // The thread shouldn't be a kernel waiter.
+            ASSERT(!IsKernelAddressKey(waiter->GetAddressKey()));
+
+            // Clear the lock owner.
+            waiter->SetLockOwner(nullptr);
 
             // Erase the waiter from our list.
             it = waiter_list.erase(it);
 
             // Cancel the thread's wait.
-            it->CancelWait(ResultInvalidState, true);
+            waiter->CancelWait(ResultInvalidState, true);
         }
     }
 
@@ -480,9 +486,7 @@ void KThread::Unpin() {
 
     // Resume any threads that began waiting on us while we were pinned.
     for (auto it = pinned_waiter_list.begin(); it != pinned_waiter_list.end(); ++it) {
-        if (it->GetState() == ThreadState::Waiting) {
-            it->SetState(ThreadState::Runnable);
-        }
+        it->EndWait(ResultSuccess);
     }
 }
 
@@ -877,6 +881,7 @@ void KThread::AddWaiterImpl(KThread* thread) {
     // Keep track of how many kernel waiters we have.
     if (IsKernelAddressKey(thread->GetAddressKey())) {
         ASSERT((num_kernel_waiters++) >= 0);
+        KScheduler::SetSchedulerUpdateNeeded(kernel);
     }
 
     // Insert the waiter.
@@ -890,6 +895,7 @@ void KThread::RemoveWaiterImpl(KThread* thread) {
     // Keep track of how many kernel waiters we have.
     if (IsKernelAddressKey(thread->GetAddressKey())) {
         ASSERT((num_kernel_waiters--) > 0);
+        KScheduler::SetSchedulerUpdateNeeded(kernel);
     }
 
     // Remove the waiter.
@@ -965,6 +971,7 @@ KThread* KThread::RemoveWaiterByKey(s32* out_num_waiters, VAddr key) {
             // Keep track of how many kernel waiters we have.
             if (IsKernelAddressKey(thread->GetAddressKey())) {
                 ASSERT((num_kernel_waiters--) > 0);
+                KScheduler::SetSchedulerUpdateNeeded(kernel);
             }
             it = waiter_list.erase(it);
 
diff --git a/src/core/hle/kernel/kernel.cpp b/src/core/hle/kernel/kernel.cpp
index 0009193be..7307cf262 100644
--- a/src/core/hle/kernel/kernel.cpp
+++ b/src/core/hle/kernel/kernel.cpp
@@ -234,17 +234,18 @@ 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(time_interval, time_interval, preemption_event);
     }
 
     void InitializeShutdownThreads() {
diff --git a/src/core/hle/kernel/time_manager.cpp b/src/core/hle/kernel/time_manager.cpp
index 2724c3782..5ee72c432 100644
--- a/src/core/hle/kernel/time_manager.cpp
+++ b/src/core/hle/kernel/time_manager.cpp
@@ -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) {
diff --git a/src/core/hle/service/hid/controllers/npad.cpp b/src/core/hle/service/hid/controllers/npad.cpp
index c08b0a5dc..3c28dee76 100644
--- a/src/core/hle/service/hid/controllers/npad.cpp
+++ b/src/core/hle/service/hid/controllers/npad.cpp
@@ -49,28 +49,41 @@ bool Controller_NPad::IsNpadIdValid(Core::HID::NpadIdType npad_id) {
     }
 }
 
-bool Controller_NPad::IsDeviceHandleValid(const Core::HID::VibrationDeviceHandle& device_handle) {
+Result Controller_NPad::IsDeviceHandleValid(const Core::HID::VibrationDeviceHandle& device_handle) {
     const auto npad_id = IsNpadIdValid(static_cast<Core::HID::NpadIdType>(device_handle.npad_id));
     const bool npad_type = device_handle.npad_type < Core::HID::NpadStyleIndex::MaxNpadType;
     const bool device_index = device_handle.device_index < Core::HID::DeviceIndex::MaxDeviceIndex;
-    return npad_id && npad_type && device_index;
+
+    if (!npad_type) {
+        return VibrationInvalidStyleIndex;
+    }
+    if (!npad_id) {
+        return VibrationInvalidNpadId;
+    }
+    if (!device_index) {
+        return VibrationDeviceIndexOutOfRange;
+    }
+
+    return ResultSuccess;
 }
 
 Result Controller_NPad::VerifyValidSixAxisSensorHandle(
     const Core::HID::SixAxisSensorHandle& device_handle) {
     const auto npad_id = IsNpadIdValid(static_cast<Core::HID::NpadIdType>(device_handle.npad_id));
+    const bool device_index = device_handle.device_index < Core::HID::DeviceIndex::MaxDeviceIndex;
+    const bool npad_type = device_handle.npad_type < Core::HID::NpadStyleIndex::MaxNpadType;
+
     if (!npad_id) {
         return InvalidNpadId;
     }
-    const bool device_index = device_handle.device_index < Core::HID::DeviceIndex::MaxDeviceIndex;
     if (!device_index) {
         return NpadDeviceIndexOutOfRange;
     }
     // This doesn't get validated on nnsdk
-    const bool npad_type = device_handle.npad_type < Core::HID::NpadStyleIndex::MaxNpadType;
     if (!npad_type) {
         return NpadInvalidHandle;
     }
+
     return ResultSuccess;
 }
 
@@ -705,6 +718,11 @@ Controller_NPad::NpadJoyHoldType Controller_NPad::GetHoldType() const {
 }
 
 void Controller_NPad::SetNpadHandheldActivationMode(NpadHandheldActivationMode activation_mode) {
+    if (activation_mode >= NpadHandheldActivationMode::MaxActivationMode) {
+        ASSERT_MSG(false, "Activation mode should be always None, Single or Dual");
+        return;
+    }
+
     handheld_activation_mode = activation_mode;
 }
 
@@ -820,11 +838,11 @@ bool Controller_NPad::VibrateControllerAtIndex(Core::HID::NpadIdType npad_id,
 
         const auto now = steady_clock::now();
 
-        // Filter out non-zero vibrations that are within 10ms of each other.
+        // Filter out non-zero vibrations that are within 15ms of each other.
         if ((vibration_value.low_amplitude != 0.0f || vibration_value.high_amplitude != 0.0f) &&
             duration_cast<milliseconds>(
                 now - controller.vibration[device_index].last_vibration_timepoint) <
-                milliseconds(10)) {
+                milliseconds(15)) {
             return false;
         }
 
@@ -840,7 +858,7 @@ bool Controller_NPad::VibrateControllerAtIndex(Core::HID::NpadIdType npad_id,
 void Controller_NPad::VibrateController(
     const Core::HID::VibrationDeviceHandle& vibration_device_handle,
     const Core::HID::VibrationValue& vibration_value) {
-    if (!IsDeviceHandleValid(vibration_device_handle)) {
+    if (IsDeviceHandleValid(vibration_device_handle).IsError()) {
         return;
     }
 
@@ -903,7 +921,7 @@ void Controller_NPad::VibrateControllers(
 
 Core::HID::VibrationValue Controller_NPad::GetLastVibration(
     const Core::HID::VibrationDeviceHandle& vibration_device_handle) const {
-    if (!IsDeviceHandleValid(vibration_device_handle)) {
+    if (IsDeviceHandleValid(vibration_device_handle).IsError()) {
         return {};
     }
 
@@ -914,7 +932,7 @@ Core::HID::VibrationValue Controller_NPad::GetLastVibration(
 
 void Controller_NPad::InitializeVibrationDevice(
     const Core::HID::VibrationDeviceHandle& vibration_device_handle) {
-    if (!IsDeviceHandleValid(vibration_device_handle)) {
+    if (IsDeviceHandleValid(vibration_device_handle).IsError()) {
         return;
     }
 
@@ -941,7 +959,7 @@ void Controller_NPad::SetPermitVibrationSession(bool permit_vibration_session) {
 
 bool Controller_NPad::IsVibrationDeviceMounted(
     const Core::HID::VibrationDeviceHandle& vibration_device_handle) const {
-    if (!IsDeviceHandleValid(vibration_device_handle)) {
+    if (IsDeviceHandleValid(vibration_device_handle).IsError()) {
         return false;
     }
 
diff --git a/src/core/hle/service/hid/controllers/npad.h b/src/core/hle/service/hid/controllers/npad.h
index 8b54724ed..1a589cca2 100644
--- a/src/core/hle/service/hid/controllers/npad.h
+++ b/src/core/hle/service/hid/controllers/npad.h
@@ -81,6 +81,7 @@ public:
         Dual = 0,
         Single = 1,
         None = 2,
+        MaxActivationMode = 3,
     };
 
     // This is nn::hid::NpadCommunicationMode
@@ -196,7 +197,7 @@ public:
     Core::HID::NpadButton GetAndResetPressState();
 
     static bool IsNpadIdValid(Core::HID::NpadIdType npad_id);
-    static bool IsDeviceHandleValid(const Core::HID::VibrationDeviceHandle& device_handle);
+    static Result IsDeviceHandleValid(const Core::HID::VibrationDeviceHandle& device_handle);
     static Result VerifyValidSixAxisSensorHandle(
         const Core::HID::SixAxisSensorHandle& device_handle);
 
diff --git a/src/core/hle/service/hid/errors.h b/src/core/hle/service/hid/errors.h
index 615c23b84..46282f42e 100644
--- a/src/core/hle/service/hid/errors.h
+++ b/src/core/hle/service/hid/errors.h
@@ -9,6 +9,9 @@ namespace Service::HID {
 
 constexpr Result NpadInvalidHandle{ErrorModule::HID, 100};
 constexpr Result NpadDeviceIndexOutOfRange{ErrorModule::HID, 107};
+constexpr Result VibrationInvalidStyleIndex{ErrorModule::HID, 122};
+constexpr Result VibrationInvalidNpadId{ErrorModule::HID, 123};
+constexpr Result VibrationDeviceIndexOutOfRange{ErrorModule::HID, 124};
 constexpr Result InvalidSixAxisFusionRange{ErrorModule::HID, 423};
 constexpr Result NpadIsDualJoycon{ErrorModule::HID, 601};
 constexpr Result NpadIsSameType{ErrorModule::HID, 602};
diff --git a/src/core/hle/service/hid/hid.cpp b/src/core/hle/service/hid/hid.cpp
index dc5d0366d..89bb12442 100644
--- a/src/core/hle/service/hid/hid.cpp
+++ b/src/core/hle/service/hid/hid.cpp
@@ -74,26 +74,34 @@ 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(pad_update_ns, pad_update_ns, pad_update_event);
+    system.CoreTiming().ScheduleLoopingEvent(mouse_keyboard_update_ns, mouse_keyboard_update_ns,
+                                             mouse_keyboard_update_event);
+    system.CoreTiming().ScheduleLoopingEvent(motion_update_ns, motion_update_ns,
+                                             motion_update_event);
 
     system.HIDCore().ReloadInputDevices();
 }
@@ -135,13 +143,6 @@ 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 +151,12 @@ 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> {
@@ -778,7 +765,7 @@ void Hid::IsSixAxisSensorAtRest(Kernel::HLERequestContext& ctx) {
 
     bool is_at_rest{};
     auto& controller = GetAppletResource()->GetController<Controller_NPad>(HidController::NPad);
-    const auto result = controller.IsSixAxisSensorAtRest(parameters.sixaxis_handle, is_at_rest);
+    controller.IsSixAxisSensorAtRest(parameters.sixaxis_handle, is_at_rest);
 
     LOG_DEBUG(Service_HID,
               "called, npad_type={}, npad_id={}, device_index={}, applet_resource_user_id={}",
@@ -786,7 +773,7 @@ void Hid::IsSixAxisSensorAtRest(Kernel::HLERequestContext& ctx) {
               parameters.sixaxis_handle.device_index, parameters.applet_resource_user_id);
 
     IPC::ResponseBuilder rb{ctx, 3};
-    rb.Push(result);
+    rb.Push(ResultSuccess);
     rb.Push(is_at_rest);
 }
 
@@ -803,8 +790,8 @@ void Hid::IsFirmwareUpdateAvailableForSixAxisSensor(Kernel::HLERequestContext& c
 
     bool is_firmware_available{};
     auto& controller = GetAppletResource()->GetController<Controller_NPad>(HidController::NPad);
-    const auto result = controller.IsFirmwareUpdateAvailableForSixAxisSensor(
-        parameters.sixaxis_handle, is_firmware_available);
+    controller.IsFirmwareUpdateAvailableForSixAxisSensor(parameters.sixaxis_handle,
+                                                         is_firmware_available);
 
     LOG_WARNING(
         Service_HID,
@@ -813,7 +800,7 @@ void Hid::IsFirmwareUpdateAvailableForSixAxisSensor(Kernel::HLERequestContext& c
         parameters.sixaxis_handle.device_index, parameters.applet_resource_user_id);
 
     IPC::ResponseBuilder rb{ctx, 3};
-    rb.Push(result);
+    rb.Push(ResultSuccess);
     rb.Push(is_firmware_available);
 }
 
@@ -1083,13 +1070,13 @@ void Hid::DisconnectNpad(Kernel::HLERequestContext& ctx) {
     const auto parameters{rp.PopRaw<Parameters>()};
 
     auto& controller = GetAppletResource()->GetController<Controller_NPad>(HidController::NPad);
-    const auto result = controller.DisconnectNpad(parameters.npad_id);
+    controller.DisconnectNpad(parameters.npad_id);
 
     LOG_DEBUG(Service_HID, "called, npad_id={}, applet_resource_user_id={}", parameters.npad_id,
               parameters.applet_resource_user_id);
 
     IPC::ResponseBuilder rb{ctx, 2};
-    rb.Push(result);
+    rb.Push(ResultSuccess);
 }
 
 void Hid::GetPlayerLedPattern(Kernel::HLERequestContext& ctx) {
@@ -1165,15 +1152,14 @@ void Hid::SetNpadJoyAssignmentModeSingleByDefault(Kernel::HLERequestContext& ctx
     const auto parameters{rp.PopRaw<Parameters>()};
 
     auto& controller = GetAppletResource()->GetController<Controller_NPad>(HidController::NPad);
-    const auto result =
-        controller.SetNpadMode(parameters.npad_id, Controller_NPad::NpadJoyDeviceType::Left,
-                               Controller_NPad::NpadJoyAssignmentMode::Single);
+    controller.SetNpadMode(parameters.npad_id, Controller_NPad::NpadJoyDeviceType::Left,
+                           Controller_NPad::NpadJoyAssignmentMode::Single);
 
     LOG_INFO(Service_HID, "called, npad_id={}, applet_resource_user_id={}", parameters.npad_id,
              parameters.applet_resource_user_id);
 
     IPC::ResponseBuilder rb{ctx, 2};
-    rb.Push(result);
+    rb.Push(ResultSuccess);
 }
 
 void Hid::SetNpadJoyAssignmentModeSingle(Kernel::HLERequestContext& ctx) {
@@ -1189,15 +1175,15 @@ void Hid::SetNpadJoyAssignmentModeSingle(Kernel::HLERequestContext& ctx) {
     const auto parameters{rp.PopRaw<Parameters>()};
 
     auto& controller = GetAppletResource()->GetController<Controller_NPad>(HidController::NPad);
-    const auto result = controller.SetNpadMode(parameters.npad_id, parameters.npad_joy_device_type,
-                                               Controller_NPad::NpadJoyAssignmentMode::Single);
+    controller.SetNpadMode(parameters.npad_id, parameters.npad_joy_device_type,
+                           Controller_NPad::NpadJoyAssignmentMode::Single);
 
     LOG_INFO(Service_HID, "called, npad_id={}, applet_resource_user_id={}, npad_joy_device_type={}",
              parameters.npad_id, parameters.applet_resource_user_id,
              parameters.npad_joy_device_type);
 
     IPC::ResponseBuilder rb{ctx, 2};
-    rb.Push(result);
+    rb.Push(ResultSuccess);
 }
 
 void Hid::SetNpadJoyAssignmentModeDual(Kernel::HLERequestContext& ctx) {
@@ -1212,14 +1198,13 @@ void Hid::SetNpadJoyAssignmentModeDual(Kernel::HLERequestContext& ctx) {
     const auto parameters{rp.PopRaw<Parameters>()};
 
     auto& controller = GetAppletResource()->GetController<Controller_NPad>(HidController::NPad);
-    const auto result = controller.SetNpadMode(parameters.npad_id, {},
-                                               Controller_NPad::NpadJoyAssignmentMode::Dual);
+    controller.SetNpadMode(parameters.npad_id, {}, Controller_NPad::NpadJoyAssignmentMode::Dual);
 
     LOG_INFO(Service_HID, "called, npad_id={}, applet_resource_user_id={}", parameters.npad_id,
              parameters.applet_resource_user_id);
 
     IPC::ResponseBuilder rb{ctx, 2};
-    rb.Push(result);
+    rb.Push(ResultSuccess);
 }
 
 void Hid::MergeSingleJoyAsDualJoy(Kernel::HLERequestContext& ctx) {
@@ -1412,8 +1397,11 @@ void Hid::ClearNpadCaptureButtonAssignment(Kernel::HLERequestContext& ctx) {
 void Hid::GetVibrationDeviceInfo(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
     const auto vibration_device_handle{rp.PopRaw<Core::HID::VibrationDeviceHandle>()};
+    const auto& controller =
+        GetAppletResource()->GetController<Controller_NPad>(HidController::NPad);
 
     Core::HID::VibrationDeviceInfo vibration_device_info;
+    bool check_device_index = false;
 
     switch (vibration_device_handle.npad_type) {
     case Core::HID::NpadStyleIndex::ProController:
@@ -1421,34 +1409,46 @@ void Hid::GetVibrationDeviceInfo(Kernel::HLERequestContext& ctx) {
     case Core::HID::NpadStyleIndex::JoyconDual:
     case Core::HID::NpadStyleIndex::JoyconLeft:
     case Core::HID::NpadStyleIndex::JoyconRight:
-    default:
         vibration_device_info.type = Core::HID::VibrationDeviceType::LinearResonantActuator;
+        check_device_index = true;
         break;
     case Core::HID::NpadStyleIndex::GameCube:
         vibration_device_info.type = Core::HID::VibrationDeviceType::GcErm;
         break;
-    case Core::HID::NpadStyleIndex::Pokeball:
+    case Core::HID::NpadStyleIndex::N64:
+        vibration_device_info.type = Core::HID::VibrationDeviceType::N64;
+        break;
+    default:
         vibration_device_info.type = Core::HID::VibrationDeviceType::Unknown;
         break;
     }
 
-    switch (vibration_device_handle.device_index) {
-    case Core::HID::DeviceIndex::Left:
-        vibration_device_info.position = Core::HID::VibrationDevicePosition::Left;
-        break;
-    case Core::HID::DeviceIndex::Right:
-        vibration_device_info.position = Core::HID::VibrationDevicePosition::Right;
-        break;
-    case Core::HID::DeviceIndex::None:
-    default:
-        ASSERT_MSG(false, "DeviceIndex should never be None!");
-        vibration_device_info.position = Core::HID::VibrationDevicePosition::None;
-        break;
+    vibration_device_info.position = Core::HID::VibrationDevicePosition::None;
+    if (check_device_index) {
+        switch (vibration_device_handle.device_index) {
+        case Core::HID::DeviceIndex::Left:
+            vibration_device_info.position = Core::HID::VibrationDevicePosition::Left;
+            break;
+        case Core::HID::DeviceIndex::Right:
+            vibration_device_info.position = Core::HID::VibrationDevicePosition::Right;
+            break;
+        case Core::HID::DeviceIndex::None:
+        default:
+            ASSERT_MSG(false, "DeviceIndex should never be None!");
+            break;
+        }
     }
 
     LOG_DEBUG(Service_HID, "called, vibration_device_type={}, vibration_device_position={}",
               vibration_device_info.type, vibration_device_info.position);
 
+    const auto result = controller.IsDeviceHandleValid(vibration_device_handle);
+    if (result.IsError()) {
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(result);
+        return;
+    }
+
     IPC::ResponseBuilder rb{ctx, 4};
     rb.Push(ResultSuccess);
     rb.PushRaw(vibration_device_info);
diff --git a/src/core/hle/service/hid/hidbus.cpp b/src/core/hle/service/hid/hidbus.cpp
index fa6153b4c..e5e50845f 100644
--- a/src/core/hle/service/hid/hidbus.cpp
+++ b/src/core/hle/service/hid/hidbus.cpp
@@ -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(hidbus_update_ns, 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 {
diff --git a/src/core/hle/service/nvflinger/nvflinger.cpp b/src/core/hle/service/nvflinger/nvflinger.cpp
index 2b2985a2d..5f69c8c2c 100644
--- a/src/core/hle/service/nvflinger/nvflinger.cpp
+++ b/src/core/hle/service/nvflinger/nvflinger.cpp
@@ -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::max(std::chrono::nanoseconds::zero(),
+                            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(frame_ns, frame_ns, composition_event);
     }
 }
 
diff --git a/src/core/memory/cheat_engine.cpp b/src/core/memory/cheat_engine.cpp
index 5f71f0ff5..ffdbacc18 100644
--- a/src/core/memory/cheat_engine.cpp
+++ b/src/core/memory/cheat_engine.cpp
@@ -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(CHEAT_ENGINE_NS, 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
diff --git a/src/core/tools/freezer.cpp b/src/core/tools/freezer.cpp
index 5cc99fbe4..98ebbbf32 100644
--- a/src/core/tools/freezer.cpp
+++ b/src/core/tools/freezer.cpp
@@ -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);
 }