add enable-cpu-turbo, disable-cpu-turbo

tools/CMakeLists.txt

@@ -34,8 +34,11 @@ set(CMAKE_CUDA_FLAGS "${CMAKE_CUDA_FLAGS} \
  -Wfatal-errors\
  ")
 
-add_executable(enable-turbo enable_turbo.cpp)
+add_executable(enable-cpu-turbo enable_cpu_turbo.cpp)
-target_link_libraries(enable-turbo perfect)
+target_link_libraries(enable-cpu-turbo perfect)
+
+add_executable(disable-cpu-turbo disable_cpu_turbo.cpp)
+target_link_libraries(disable-cpu-turbo perfect)
 
 add_executable(sync-drop-caches sync_drop_caches.cpp)
 target_link_libraries(sync-drop-caches perfect)

tools/disable_cpu_turbo.cpp

@@ -0,0 +1,23 @@
+#include <iostream>
+
+#include "perfect/cpu_turbo.hpp"
+
+using namespace perfect;
+
+int main(void) {
+
+  CpuTurboState state;
+
+  perfect::init();
+
+  PERFECT(get_cpu_turbo_state(&state));
+
+  if (!is_turbo_enabled(state)) {
+    std::cerr << "cpu turbo already disabled\n";
+    exit(EXIT_SUCCESS);
+  } else {
+    PERFECT(disable_cpu_turbo());
+    std::cerr << "disabled cpu turbo\n";
+      exit(EXIT_SUCCESS);
+  }
+}