Init CPUStats just once

src/cpu.cpp

@@ -97,11 +97,12 @@ void calculateCPUData(CPUData& cpuData,
 
 CPUStats::CPUStats()
 {
-	m_inited = Init();
 }
 
 bool CPUStats::Init()
 {
+    if (m_inited)
+        return true;
 	CPUStats::GetCpuFile();
 	std::string line;
 	std::ifstream file (PROCSTATFILE);
@@ -142,8 +143,8 @@ bool CPUStats::Init()
 		}
 	} while(true);
 
-	UpdateCPUData();
-	return true;
+	m_inited = true;
+	return UpdateCPUData();
 }
 
 //TODO take sampling interval into account?
@@ -221,13 +222,14 @@ bool CPUStats::UpdateCoreMhz() {
 }
 
 bool CPUStats::UpdateCpuTemp(){
+    m_cpuDataTotal.temp = 0;
     rewind(cpuTempFile);
     fflush(cpuTempFile);
     if (fscanf(cpuTempFile, "%d", &m_cpuDataTotal.temp) != 1)
-        m_cpuDataTotal.temp = 0;
+        return false;
     m_cpuDataTotal.temp /= 1000;
 
-    return NULL;
+    return true;
 }
 
 bool CPUStats::GetCpuFile(){

src/gl/inject.cpp

@@ -13,6 +13,7 @@
 #include "imgui_impl_opengl3.h"
 #include "font_default.h"
 #include "overlay.h"
+#include "cpu.h"
 #include "mesa/util/macros.h"
 #include "mesa/util/os_time.h"
 
@@ -55,10 +56,14 @@ void imgui_create(void *ctx)
     if (inited)
         return;
     inited = true;
+
     if (!ctx)
         return;
+
+    cpuStats.Init();
     imgui_init();
     gl3wInit();
+
     std::cerr << "GL version: " << glGetString(GL_VERSION) << std::endl;
     deviceName = (char*)glGetString(GL_RENDERER);
     if (deviceName.find("Radeon") != std::string::npos

src/overlay.cpp

@@ -2611,6 +2611,8 @@ static VkResult overlay_CreateInstance(
    if (instance_data->params.fps_limit > 0)
       fps_limit_stats.targetFrameTime = int64_t(1000000000.0 / instance_data->params.fps_limit);
 
+   cpuStats.Init();
+
    // Adjust height for DXVK/VKD3D version number
    if (engineName == "DXVK" || engineName == "VKD3D"){
       if (instance_data->params.font_size){