General: Tune the priority of main emulation threads so they have higher priority than less important helper threads.

This commit is contained in:
Fernando Sahmkow 2020-04-05 09:48:53 -04:00
parent 7b44187fd2
commit 528b19a842
6 changed files with 60 additions and 0 deletions

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@ -25,6 +25,52 @@
namespace Common {
#ifdef _WIN32
void SetCurrentThreadPriority(ThreadPriority new_priority) {
auto handle = GetCurrentThread();
int windows_priority = 0;
switch (new_priority) {
case ThreadPriority::Low:
windows_priority = THREAD_PRIORITY_BELOW_NORMAL;
break;
case ThreadPriority::Normal:
windows_priority = THREAD_PRIORITY_NORMAL;
break;
case ThreadPriority::High:
windows_priority = THREAD_PRIORITY_ABOVE_NORMAL;
break;
case ThreadPriority::VeryHigh:
windows_priority = THREAD_PRIORITY_HIGHEST;
break;
default:
windows_priority = THREAD_PRIORITY_NORMAL;
break;
}
SetThreadPriority(handle, windows_priority);
}
#else
void SetCurrentThreadPriority(ThreadPriority new_priority) {
pthread_t this_thread = pthread_self();
s32 max_prio = sched_get_priority_max(SCHED_OTHER);
s32 min_prio = sched_get_priority_min(SCHED_OTHER);
u32 level = static_cast<u32>(new_priority) + 1;
struct sched_param params;
if (max_prio > min_prio) {
params.sched_priority = min_prio + ((max_prio - min_prio) * level) / 4;
} else {
params.sched_priority = min_prio - ((min_prio - max_prio) * level) / 4;
}
pthread_setschedparam(this_thread, SCHED_OTHER, &params);
}
#endif
#ifdef _MSC_VER
// Sets the debugger-visible name of the current thread.

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@ -86,6 +86,15 @@ private:
std::size_t generation = 0; // Incremented once each time the barrier is used
};
enum class ThreadPriority : u32 {
Low = 0,
Normal = 1,
High = 2,
VeryHigh = 3,
};
void SetCurrentThreadPriority(ThreadPriority new_priority);
void SetCurrentThreadName(const char* name);
} // namespace Common

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@ -48,6 +48,7 @@ void CoreTiming::ThreadEntry(CoreTiming& instance) {
std::string name = "yuzu:HostTiming";
MicroProfileOnThreadCreate(name.c_str());
Common::SetCurrentThreadName(name.c_str());
Common::SetCurrentThreadPriority(Common::ThreadPriority::VeryHigh);
instance.on_thread_init();
instance.ThreadLoop();
}

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@ -337,6 +337,7 @@ void CpuManager::RunThread(std::size_t core) {
}
MicroProfileOnThreadCreate(name.c_str());
Common::SetCurrentThreadName(name.c_str());
Common::SetCurrentThreadPriority(Common::ThreadPriority::High);
auto& data = core_data[core];
data.enter_barrier = std::make_unique<Common::Event>();
data.exit_barrier = std::make_unique<Common::Event>();

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@ -22,6 +22,7 @@ static void RunThread(Core::System& system, VideoCore::RendererBase& renderer,
std::string name = "yuzu:GPU";
MicroProfileOnThreadCreate(name.c_str());
Common::SetCurrentThreadName(name.c_str());
Common::SetCurrentThreadPriority(Common::ThreadPriority::High);
system.RegisterHostThread();
// Wait for first GPU command before acquiring the window context

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@ -9,6 +9,7 @@
#include <utility>
#include "common/microprofile.h"
#include "common/thread.h"
#include "video_core/renderer_vulkan/vk_device.h"
#include "video_core/renderer_vulkan/vk_query_cache.h"
#include "video_core/renderer_vulkan/vk_resource_manager.h"
@ -133,6 +134,7 @@ void VKScheduler::BindGraphicsPipeline(VkPipeline pipeline) {
}
void VKScheduler::WorkerThread() {
Common::SetCurrentThreadPriority(Common::ThreadPriority::High);
std::unique_lock lock{mutex};
do {
cv.wait(lock, [this] { return !chunk_queue.Empty() || quit; });