Revert "kernel: Various improvements to scheduler"

This commit is contained in:
bunnei 2021-08-25 20:59:28 -07:00 committed by GitHub
parent 3843995ceb
commit 0c8594b225
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GPG key ID: 4AEE18F83AFDEB23
23 changed files with 140 additions and 224 deletions

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@ -85,9 +85,8 @@ struct KernelCore::Impl {
}
void InitializeCores() {
for (u32 core_id = 0; core_id < Core::Hardware::NUM_CPU_CORES; core_id++) {
cores[core_id].Initialize(current_process->Is64BitProcess());
system.Memory().SetCurrentPageTable(*current_process, core_id);
for (auto& core : cores) {
core.Initialize(current_process->Is64BitProcess());
}
}
@ -132,6 +131,15 @@ struct KernelCore::Impl {
next_user_process_id = KProcess::ProcessIDMin;
next_thread_id = 1;
for (u32 core_id = 0; core_id < Core::Hardware::NUM_CPU_CORES; core_id++) {
if (suspend_threads[core_id]) {
suspend_threads[core_id]->Close();
suspend_threads[core_id] = nullptr;
}
schedulers[core_id].reset();
}
cores.clear();
global_handle_table->Finalize();
@ -159,16 +167,6 @@ struct KernelCore::Impl {
CleanupObject(time_shared_mem);
CleanupObject(system_resource_limit);
for (u32 core_id = 0; core_id < Core::Hardware::NUM_CPU_CORES; core_id++) {
if (suspend_threads[core_id]) {
suspend_threads[core_id]->Close();
suspend_threads[core_id] = nullptr;
}
schedulers[core_id]->Finalize();
schedulers[core_id].reset();
}
// Next host thead ID to use, 0-3 IDs represent core threads, >3 represent others
next_host_thread_id = Core::Hardware::NUM_CPU_CORES;
@ -259,6 +257,14 @@ struct KernelCore::Impl {
void MakeCurrentProcess(KProcess* process) {
current_process = process;
if (process == nullptr) {
return;
}
const u32 core_id = GetCurrentHostThreadID();
if (core_id < Core::Hardware::NUM_CPU_CORES) {
system.Memory().SetCurrentPageTable(*process, core_id);
}
}
static inline thread_local u32 host_thread_id = UINT32_MAX;
@ -821,20 +827,16 @@ const Kernel::PhysicalCore& KernelCore::PhysicalCore(std::size_t id) const {
return impl->cores[id];
}
size_t KernelCore::CurrentPhysicalCoreIndex() const {
const u32 core_id = impl->GetCurrentHostThreadID();
if (core_id >= Core::Hardware::NUM_CPU_CORES) {
return Core::Hardware::NUM_CPU_CORES - 1;
}
return core_id;
}
Kernel::PhysicalCore& KernelCore::CurrentPhysicalCore() {
return impl->cores[CurrentPhysicalCoreIndex()];
u32 core_id = impl->GetCurrentHostThreadID();
ASSERT(core_id < Core::Hardware::NUM_CPU_CORES);
return impl->cores[core_id];
}
const Kernel::PhysicalCore& KernelCore::CurrentPhysicalCore() const {
return impl->cores[CurrentPhysicalCoreIndex()];
u32 core_id = impl->GetCurrentHostThreadID();
ASSERT(core_id < Core::Hardware::NUM_CPU_CORES);
return impl->cores[core_id];
}
Kernel::KScheduler* KernelCore::CurrentScheduler() {
@ -1027,9 +1029,6 @@ void KernelCore::Suspend(bool in_suspention) {
impl->suspend_threads[core_id]->SetState(state);
impl->suspend_threads[core_id]->SetWaitReasonForDebugging(
ThreadWaitReasonForDebugging::Suspended);
if (!should_suspend) {
impl->suspend_threads[core_id]->DisableDispatch();
}
}
}
}
@ -1044,11 +1043,13 @@ void KernelCore::ExceptionalExit() {
}
void KernelCore::EnterSVCProfile() {
impl->svc_ticks[CurrentPhysicalCoreIndex()] = MicroProfileEnter(MICROPROFILE_TOKEN(Kernel_SVC));
std::size_t core = impl->GetCurrentHostThreadID();
impl->svc_ticks[core] = MicroProfileEnter(MICROPROFILE_TOKEN(Kernel_SVC));
}
void KernelCore::ExitSVCProfile() {
MicroProfileLeave(MICROPROFILE_TOKEN(Kernel_SVC), impl->svc_ticks[CurrentPhysicalCoreIndex()]);
std::size_t core = impl->GetCurrentHostThreadID();
MicroProfileLeave(MICROPROFILE_TOKEN(Kernel_SVC), impl->svc_ticks[core]);
}
std::weak_ptr<Kernel::ServiceThread> KernelCore::CreateServiceThread(const std::string& name) {