mirror of
https://github.com/yuzu-emu/yuzu.git
synced 2024-11-16 20:40:07 +00:00
8634b8cb83
Threads will now be awakened when the objects they're waiting on are signaled, instead of repeating the WaitSynchronization call every now and then. The scheduler is now called once after every SVC call, and once after a thread is awakened from sleep by its timeout callback. This new implementation is based off reverse-engineering of the real kernel. See https://gist.github.com/Subv/02f29bd9f1e5deb7aceea1e8f019c8f4 for a more detailed description of how the real kernel handles rescheduling.
418 lines
14 KiB
C++
418 lines
14 KiB
C++
// Copyright 2016 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include "citra_qt/debugger/wait_tree.h"
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#include "citra_qt/util/util.h"
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#include "core/hle/kernel/event.h"
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#include "core/hle/kernel/mutex.h"
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#include "core/hle/kernel/semaphore.h"
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#include "core/hle/kernel/session.h"
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#include "core/hle/kernel/thread.h"
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#include "core/hle/kernel/timer.h"
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WaitTreeItem::~WaitTreeItem() {}
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QColor WaitTreeItem::GetColor() const {
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return QColor(Qt::GlobalColor::black);
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}
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std::vector<std::unique_ptr<WaitTreeItem>> WaitTreeItem::GetChildren() const {
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return {};
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}
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void WaitTreeItem::Expand() {
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if (IsExpandable() && !expanded) {
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children = GetChildren();
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for (std::size_t i = 0; i < children.size(); ++i) {
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children[i]->parent = this;
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children[i]->row = i;
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}
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expanded = true;
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}
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}
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WaitTreeItem* WaitTreeItem::Parent() const {
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return parent;
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}
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const std::vector<std::unique_ptr<WaitTreeItem>>& WaitTreeItem::Children() const {
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return children;
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}
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bool WaitTreeItem::IsExpandable() const {
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return false;
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}
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std::size_t WaitTreeItem::Row() const {
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return row;
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}
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std::vector<std::unique_ptr<WaitTreeThread>> WaitTreeItem::MakeThreadItemList() {
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const auto& threads = Kernel::GetThreadList();
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std::vector<std::unique_ptr<WaitTreeThread>> item_list;
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item_list.reserve(threads.size());
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for (std::size_t i = 0; i < threads.size(); ++i) {
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item_list.push_back(std::make_unique<WaitTreeThread>(*threads[i]));
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item_list.back()->row = i;
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}
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return item_list;
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}
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WaitTreeText::WaitTreeText(const QString& t) : text(t) {}
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QString WaitTreeText::GetText() const {
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return text;
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}
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WaitTreeWaitObject::WaitTreeWaitObject(const Kernel::WaitObject& o) : object(o) {}
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bool WaitTreeExpandableItem::IsExpandable() const {
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return true;
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}
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QString WaitTreeWaitObject::GetText() const {
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return tr("[%1]%2 %3")
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.arg(object.GetObjectId())
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.arg(QString::fromStdString(object.GetTypeName()),
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QString::fromStdString(object.GetName()));
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}
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std::unique_ptr<WaitTreeWaitObject> WaitTreeWaitObject::make(const Kernel::WaitObject& object) {
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switch (object.GetHandleType()) {
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case Kernel::HandleType::Event:
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return std::make_unique<WaitTreeEvent>(static_cast<const Kernel::Event&>(object));
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case Kernel::HandleType::Mutex:
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return std::make_unique<WaitTreeMutex>(static_cast<const Kernel::Mutex&>(object));
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case Kernel::HandleType::Semaphore:
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return std::make_unique<WaitTreeSemaphore>(static_cast<const Kernel::Semaphore&>(object));
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case Kernel::HandleType::Timer:
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return std::make_unique<WaitTreeTimer>(static_cast<const Kernel::Timer&>(object));
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case Kernel::HandleType::Thread:
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return std::make_unique<WaitTreeThread>(static_cast<const Kernel::Thread&>(object));
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default:
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return std::make_unique<WaitTreeWaitObject>(object);
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}
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}
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std::vector<std::unique_ptr<WaitTreeItem>> WaitTreeWaitObject::GetChildren() const {
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std::vector<std::unique_ptr<WaitTreeItem>> list;
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const auto& threads = object.GetWaitingThreads();
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if (threads.empty()) {
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list.push_back(std::make_unique<WaitTreeText>(tr("waited by no thread")));
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} else {
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list.push_back(std::make_unique<WaitTreeThreadList>(threads));
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}
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return list;
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}
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QString WaitTreeWaitObject::GetResetTypeQString(Kernel::ResetType reset_type) {
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switch (reset_type) {
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case Kernel::ResetType::OneShot:
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return tr("one shot");
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case Kernel::ResetType::Sticky:
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return tr("sticky");
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case Kernel::ResetType::Pulse:
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return tr("pulse");
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}
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}
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WaitTreeObjectList::WaitTreeObjectList(
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const std::vector<Kernel::SharedPtr<Kernel::WaitObject>>& list, bool w_all)
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: object_list(list), wait_all(w_all) {}
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QString WaitTreeObjectList::GetText() const {
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if (wait_all)
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return tr("waiting for all objects");
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return tr("waiting for one of the following objects");
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}
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std::vector<std::unique_ptr<WaitTreeItem>> WaitTreeObjectList::GetChildren() const {
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std::vector<std::unique_ptr<WaitTreeItem>> list(object_list.size());
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std::transform(object_list.begin(), object_list.end(), list.begin(),
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[](const auto& t) { return WaitTreeWaitObject::make(*t); });
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return list;
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}
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WaitTreeThread::WaitTreeThread(const Kernel::Thread& thread) : WaitTreeWaitObject(thread) {}
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QString WaitTreeThread::GetText() const {
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const auto& thread = static_cast<const Kernel::Thread&>(object);
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QString status;
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switch (thread.status) {
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case THREADSTATUS_RUNNING:
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status = tr("running");
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break;
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case THREADSTATUS_READY:
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status = tr("ready");
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break;
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case THREADSTATUS_WAIT_ARB:
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status = tr("waiting for address 0x%1").arg(thread.wait_address, 8, 16, QLatin1Char('0'));
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break;
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case THREADSTATUS_WAIT_SLEEP:
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status = tr("sleeping");
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break;
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case THREADSTATUS_WAIT_SYNCH:
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status = tr("waiting for objects");
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break;
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case THREADSTATUS_DORMANT:
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status = tr("dormant");
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break;
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case THREADSTATUS_DEAD:
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status = tr("dead");
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break;
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}
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QString pc_info = tr(" PC = 0x%1 LR = 0x%2")
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.arg(thread.context.pc, 8, 16, QLatin1Char('0'))
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.arg(thread.context.lr, 8, 16, QLatin1Char('0'));
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return WaitTreeWaitObject::GetText() + pc_info + " (" + status + ") ";
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}
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QColor WaitTreeThread::GetColor() const {
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const auto& thread = static_cast<const Kernel::Thread&>(object);
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switch (thread.status) {
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case THREADSTATUS_RUNNING:
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return QColor(Qt::GlobalColor::darkGreen);
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case THREADSTATUS_READY:
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return QColor(Qt::GlobalColor::darkBlue);
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case THREADSTATUS_WAIT_ARB:
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return QColor(Qt::GlobalColor::darkRed);
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case THREADSTATUS_WAIT_SLEEP:
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return QColor(Qt::GlobalColor::darkYellow);
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case THREADSTATUS_WAIT_SYNCH:
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return QColor(Qt::GlobalColor::red);
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case THREADSTATUS_DORMANT:
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return QColor(Qt::GlobalColor::darkCyan);
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case THREADSTATUS_DEAD:
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return QColor(Qt::GlobalColor::gray);
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default:
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return WaitTreeItem::GetColor();
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}
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}
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std::vector<std::unique_ptr<WaitTreeItem>> WaitTreeThread::GetChildren() const {
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std::vector<std::unique_ptr<WaitTreeItem>> list(WaitTreeWaitObject::GetChildren());
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const auto& thread = static_cast<const Kernel::Thread&>(object);
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QString processor;
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switch (thread.processor_id) {
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case ThreadProcessorId::THREADPROCESSORID_DEFAULT:
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processor = tr("default");
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break;
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case ThreadProcessorId::THREADPROCESSORID_ALL:
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processor = tr("all");
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break;
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case ThreadProcessorId::THREADPROCESSORID_0:
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processor = tr("AppCore");
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break;
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case ThreadProcessorId::THREADPROCESSORID_1:
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processor = tr("SysCore");
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break;
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default:
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processor = tr("Unknown processor %1").arg(thread.processor_id);
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break;
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}
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list.push_back(std::make_unique<WaitTreeText>(tr("processor = %1").arg(processor)));
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list.push_back(std::make_unique<WaitTreeText>(tr("thread id = %1").arg(thread.GetThreadId())));
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list.push_back(std::make_unique<WaitTreeText>(tr("priority = %1(current) / %2(normal)")
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.arg(thread.current_priority)
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.arg(thread.nominal_priority)));
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list.push_back(std::make_unique<WaitTreeText>(
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tr("last running ticks = %1").arg(thread.last_running_ticks)));
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if (thread.held_mutexes.empty()) {
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list.push_back(std::make_unique<WaitTreeText>(tr("not holding mutex")));
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} else {
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list.push_back(std::make_unique<WaitTreeMutexList>(thread.held_mutexes));
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}
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if (thread.status == THREADSTATUS_WAIT_SYNCH) {
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list.push_back(std::make_unique<WaitTreeObjectList>(thread.wait_objects, !thread.wait_objects.empty()));
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}
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return list;
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}
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WaitTreeEvent::WaitTreeEvent(const Kernel::Event& object) : WaitTreeWaitObject(object) {}
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std::vector<std::unique_ptr<WaitTreeItem>> WaitTreeEvent::GetChildren() const {
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std::vector<std::unique_ptr<WaitTreeItem>> list(WaitTreeWaitObject::GetChildren());
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list.push_back(std::make_unique<WaitTreeText>(
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tr("reset type = %1")
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.arg(GetResetTypeQString(static_cast<const Kernel::Event&>(object).reset_type))));
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return list;
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}
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WaitTreeMutex::WaitTreeMutex(const Kernel::Mutex& object) : WaitTreeWaitObject(object) {}
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std::vector<std::unique_ptr<WaitTreeItem>> WaitTreeMutex::GetChildren() const {
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std::vector<std::unique_ptr<WaitTreeItem>> list(WaitTreeWaitObject::GetChildren());
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const auto& mutex = static_cast<const Kernel::Mutex&>(object);
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if (mutex.lock_count) {
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list.push_back(
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std::make_unique<WaitTreeText>(tr("locked %1 times by thread:").arg(mutex.lock_count)));
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list.push_back(std::make_unique<WaitTreeThread>(*mutex.holding_thread));
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} else {
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list.push_back(std::make_unique<WaitTreeText>(tr("free")));
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}
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return list;
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}
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WaitTreeSemaphore::WaitTreeSemaphore(const Kernel::Semaphore& object)
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: WaitTreeWaitObject(object) {}
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std::vector<std::unique_ptr<WaitTreeItem>> WaitTreeSemaphore::GetChildren() const {
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std::vector<std::unique_ptr<WaitTreeItem>> list(WaitTreeWaitObject::GetChildren());
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const auto& semaphore = static_cast<const Kernel::Semaphore&>(object);
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list.push_back(
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std::make_unique<WaitTreeText>(tr("available count = %1").arg(semaphore.available_count)));
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list.push_back(std::make_unique<WaitTreeText>(tr("max count = %1").arg(semaphore.max_count)));
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return list;
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}
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WaitTreeTimer::WaitTreeTimer(const Kernel::Timer& object) : WaitTreeWaitObject(object) {}
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std::vector<std::unique_ptr<WaitTreeItem>> WaitTreeTimer::GetChildren() const {
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std::vector<std::unique_ptr<WaitTreeItem>> list(WaitTreeWaitObject::GetChildren());
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const auto& timer = static_cast<const Kernel::Timer&>(object);
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list.push_back(std::make_unique<WaitTreeText>(
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tr("reset type = %1").arg(GetResetTypeQString(timer.reset_type))));
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list.push_back(
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std::make_unique<WaitTreeText>(tr("initial delay = %1").arg(timer.initial_delay)));
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list.push_back(
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std::make_unique<WaitTreeText>(tr("interval delay = %1").arg(timer.interval_delay)));
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return list;
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}
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WaitTreeMutexList::WaitTreeMutexList(
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const boost::container::flat_set<Kernel::SharedPtr<Kernel::Mutex>>& list)
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: mutex_list(list) {}
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QString WaitTreeMutexList::GetText() const {
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return tr("holding mutexes");
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}
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std::vector<std::unique_ptr<WaitTreeItem>> WaitTreeMutexList::GetChildren() const {
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std::vector<std::unique_ptr<WaitTreeItem>> list(mutex_list.size());
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std::transform(mutex_list.begin(), mutex_list.end(), list.begin(),
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[](const auto& t) { return std::make_unique<WaitTreeMutex>(*t); });
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return list;
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}
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WaitTreeThreadList::WaitTreeThreadList(const std::vector<Kernel::SharedPtr<Kernel::Thread>>& list)
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: thread_list(list) {}
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QString WaitTreeThreadList::GetText() const {
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return tr("waited by thread");
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}
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std::vector<std::unique_ptr<WaitTreeItem>> WaitTreeThreadList::GetChildren() const {
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std::vector<std::unique_ptr<WaitTreeItem>> list(thread_list.size());
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std::transform(thread_list.begin(), thread_list.end(), list.begin(),
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[](const auto& t) { return std::make_unique<WaitTreeThread>(*t); });
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return list;
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}
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WaitTreeModel::WaitTreeModel(QObject* parent) : QAbstractItemModel(parent) {}
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QModelIndex WaitTreeModel::index(int row, int column, const QModelIndex& parent) const {
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if (!hasIndex(row, column, parent))
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return {};
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if (parent.isValid()) {
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WaitTreeItem* parent_item = static_cast<WaitTreeItem*>(parent.internalPointer());
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parent_item->Expand();
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return createIndex(row, column, parent_item->Children()[row].get());
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}
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return createIndex(row, column, thread_items[row].get());
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}
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QModelIndex WaitTreeModel::parent(const QModelIndex& index) const {
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if (!index.isValid())
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return {};
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WaitTreeItem* parent_item = static_cast<WaitTreeItem*>(index.internalPointer())->Parent();
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if (!parent_item) {
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return QModelIndex();
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}
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return createIndex(static_cast<int>(parent_item->Row()), 0, parent_item);
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}
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int WaitTreeModel::rowCount(const QModelIndex& parent) const {
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if (!parent.isValid())
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return static_cast<int>(thread_items.size());
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WaitTreeItem* parent_item = static_cast<WaitTreeItem*>(parent.internalPointer());
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parent_item->Expand();
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return static_cast<int>(parent_item->Children().size());
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}
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int WaitTreeModel::columnCount(const QModelIndex&) const {
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return 1;
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}
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QVariant WaitTreeModel::data(const QModelIndex& index, int role) const {
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if (!index.isValid())
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return {};
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switch (role) {
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case Qt::DisplayRole:
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return static_cast<WaitTreeItem*>(index.internalPointer())->GetText();
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case Qt::ForegroundRole:
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return static_cast<WaitTreeItem*>(index.internalPointer())->GetColor();
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default:
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return {};
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}
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}
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void WaitTreeModel::ClearItems() {
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thread_items.clear();
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}
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void WaitTreeModel::InitItems() {
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thread_items = WaitTreeItem::MakeThreadItemList();
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}
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WaitTreeWidget::WaitTreeWidget(QWidget* parent) : QDockWidget(tr("Wait Tree"), parent) {
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setObjectName("WaitTreeWidget");
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view = new QTreeView(this);
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view->setHeaderHidden(true);
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setWidget(view);
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setEnabled(false);
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}
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void WaitTreeWidget::OnDebugModeEntered() {
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if (!Core::g_app_core)
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return;
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model->InitItems();
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view->setModel(model);
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setEnabled(true);
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}
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void WaitTreeWidget::OnDebugModeLeft() {
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setEnabled(false);
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view->setModel(nullptr);
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model->ClearItems();
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}
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void WaitTreeWidget::OnEmulationStarting(EmuThread* emu_thread) {
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model = new WaitTreeModel(this);
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view->setModel(model);
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setEnabled(false);
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}
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void WaitTreeWidget::OnEmulationStopping() {
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view->setModel(nullptr);
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delete model;
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setEnabled(false);
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}
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