cpu: sched_runtime can be set. This need at least kernel 6.12

wwmm · Nov 24, 2024 · cc785a0 · cc785a0
1 parent f2de3a9
commit cc785a0
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Showing 6 changed files with 12 additions and 11 deletions.
diff --git a/src/cpu.cpp b/src/cpu.cpp
@@ -143,11 +143,11 @@ void Backend::setTimerSlack(const int& value) {
   Q_EMIT timerSlackChanged();
 }
 
-auto Backend::schedRuntime() const -> int {
+auto Backend::schedRuntime() const -> double {
   return _schedRuntime;
 }
 
-void Backend::setSchedRuntime(const int& value) {
+void Backend::setSchedRuntime(const double& value) {
   _schedRuntime = value;
 
   Q_EMIT schedRuntimeChanged();

diff --git a/src/cpu.hpp b/src/cpu.hpp
@@ -35,7 +35,7 @@ class Backend : public QObject {
 
   Q_PROPERTY(int autogroupNiceness READ autogroupNiceness WRITE setAutogroupNiceness NOTIFY autogroupNicenessChanged)
 
-  Q_PROPERTY(int schedRuntime READ schedRuntime WRITE setSchedRuntime NOTIFY schedRuntimeChanged)
+  Q_PROPERTY(double schedRuntime READ schedRuntime WRITE setSchedRuntime NOTIFY schedRuntimeChanged)
 
   Q_PROPERTY(QString gameAffinity READ gameAffinity WRITE setGameAffinity NOTIFY gameAffinityChanged)
 
@@ -53,7 +53,7 @@ class Backend : public QObject {
   [[nodiscard]] auto pcieAspmPolicy() -> std::string;
   [[nodiscard]] auto workqueueAffinityScope() -> std::string;
   [[nodiscard]] auto timerSlack() const -> int;
-  [[nodiscard]] auto schedRuntime() const -> int;
+  [[nodiscard]] auto schedRuntime() const -> double;
   [[nodiscard]] auto cpuIntensiveThreshold() const -> int;
   [[nodiscard]] auto niceness() const -> int;
   [[nodiscard]] auto autogroupNiceness() const -> int;
@@ -67,11 +67,11 @@ class Backend : public QObject {
   void setFrequencyGovernor(const std::string& value);
   void setPcieAspmPolicy(const std::string& value);
   void setWorkqueueAffinityScope(const std::string& value);
-  void setTimerSlack(const int& value);
-  void setSchedRuntime(const int& value);
+  void setSchedRuntime(const double& value);
   void setCpuIntensiveThreshold(const int& value);
   void setNiceness(const int& value);
   void setAutogroupNiceness(const int& value);
+  void setTimerSlack(const int& value);
   void setGameAffinity(const QString& value);
   void setWineServerAffinity(const QString& value);
 
@@ -101,11 +101,12 @@ class Backend : public QObject {
   int _pcieAspmPolicy;
   int _workqueueAffinityScope;
   int _timerSlack;
-  int _schedRuntime;
   int _cpuIntensiveThreshold;
   int _niceness;
   int _autogroupNiceness;
 
+  double _schedRuntime;
+
   QString _gameAffinity;
   QString _wineServerAffinity;
 

diff --git a/src/fastgame_apply.cpp b/src/fastgame_apply.cpp
@@ -142,7 +142,7 @@ auto main([[maybe_unused]] int argc, [[maybe_unused]] char* argv[]) -> int {
   auto use_realtime_wineserver = root.get<bool>("cpu.use-realtime-wineserver", false);
   int niceness = root.get<int>("cpu.niceness", 0);
   int autogroup_niceness = root.get<int>("cpu.autogroup-niceness", 0);
-  int sched_runtime = root.get<int>("cpu.sched-runtime", util::get_sched_runtime(0, 0));
+  double sched_runtime = root.get<double>("cpu.sched-runtime", util::get_sched_runtime(0, 0));
 
   update_system_setting("/proc/sys/kernel/watchdog", root.get<bool>("cpu.enable-watchdog", true));
 

diff --git a/src/presets_manager.cpp b/src/presets_manager.cpp
@@ -303,7 +303,7 @@ bool Backend::loadPreset(const QString& name) {
   cpuBackend.setCpuIntensiveThreshold(
       root.get<int>("cpu.workqueue.cpu-intensive-threshold", cpuBackend.cpuIntensiveThreshold()));
 
-  cpuBackend.setSchedRuntime(root.get<int>("cpu.sched-runtime", cpuBackend.schedRuntime()));
+  cpuBackend.setSchedRuntime(root.get<double>("cpu.sched-runtime", cpuBackend.schedRuntime()));
 
   // memory
 

diff --git a/src/util.cpp b/src/util.cpp
@@ -193,7 +193,7 @@ void set_process_scheduler(const int& pid, const int& policy_index, const int& p
   sched_setscheduler(pid, policy_index, &policy_params);
 }
 
-void set_sched_runtime(const int& pid, const uint64_t& value, const int& policy_index, const uint& flags) {
+void set_sched_runtime(const int& pid, const double& value, const int& policy_index, const uint& flags) {
   sched_attr attr = {};
 
   attr.size = sizeof(sched_attr);

diff --git a/src/util.hpp b/src/util.hpp
@@ -39,7 +39,7 @@ void clear_cpu_affinity(const int& pid);
 
 void set_process_scheduler(const int& pid, const int& policy_index, const int& priority);
 
-void set_sched_runtime(const int& pid, const uint64_t& value, const int& policy_index, const uint& flags);
+void set_sched_runtime(const int& pid, const double& value, const int& policy_index, const uint& flags);
 
 auto get_sched_runtime(const int& pid, const uint& flags) -> uint64_t;