Use TDE HW backend to gather standard CPU information

src/hardware_cpu.cpp

@@ -78,36 +78,40 @@ int CPUInfo::getCPUNum() {
 int CPUInfo::checkCPUSpeed(){
 	kdDebugFuncOut(trace);
 
+	TDEGenericHardwareList hwlist = m_hwdevices->listByDeviceClass(TDEGenericDeviceType::CPU);
+
 	bool speed_changed = false;
 	int new_value = -1;
-	int fd;
-	char buf[15];
-	TQString cpu_device = "/sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq";
-#ifdef FAKE_CPU
-	cpu_device.prepend("/tmp/foo");
-#endif
 
 	// first check path for the kernel on-demand-govenour then 
 	// for the use userspace case
 	update_info_cpufreq_speed_changed = false;
 	cpufreq_speed.clear();
 
-	if (numOfCPUs == -1)	
-		numOfCPUs = getCPUNum();
+	if (numOfCPUs == -1) {
+		numOfCPUs = hwlist.count();
+	}
 
 	for (int cpu_id=0; cpu_id < numOfCPUs; cpu_id++) {
+		TDECPUDevice* cdevice = NULL;
+		TDEGenericDevice *hwdevice;
+		for (hwdevice = hwlist.first(); hwdevice; hwdevice = hwlist.next()) {
+			TDECPUDevice* possiblecpu = static_cast<TDECPUDevice*>(hwdevice);
+			if (possiblecpu) {
+				if (possiblecpu->coreNumber() == cpu_id) {
+					cdevice = possiblecpu;
+				}
+			}
+		}
 
 		new_value = -1;
 
-		fd = open(cpu_device.ascii(), O_RDONLY);
-		if (read(fd, buf, 14) > 0){
-			new_value = strtol(buf, NULL, 10)/1000;
-			close(fd);
+		if (cdevice) {
+			new_value = cdevice->frequency();
 		}
 		else {
-			close(fd);
 			speed_changed = true;
-			// CPU disabeld -> set Freq to -1
+			// CPU disabled -> set Freq to -1
 			cpufreq_speed.append(-1);
 		}
 
@@ -115,8 +119,6 @@ int CPUInfo::checkCPUSpeed(){
 			speed_changed = true;
 			cpufreq_speed.append(new_value);
 		}
-
-		cpu_device.replace(TQString::number(cpu_id), TQString::number(cpu_id+1));
 	}
 	
 	if (speed_changed) {
@@ -255,33 +257,32 @@ bool CPUInfo::getCPUThrottlingState() {
 void CPUInfo::getCPUMaxSpeed() {
 	kdDebugFuncIn(trace);
 
-	int fd;
-	int maxfreq;
-	char buf[15];
-	TQString cpu_device_max = "/sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq";
-#ifdef FAKE_CPU
-	cpu_device_max.prepend("/tmp/foo");	
-#endif
+	TDEGenericHardwareList hwlist = m_hwdevices->listByDeviceClass(TDEGenericDeviceType::CPU);
 
 	cpufreq_max_speed.clear();
 
-	if (numOfCPUs == -1)	
+	if (numOfCPUs == -1) {
 		numOfCPUs = getCPUNum();
+	}
 
-//	while (!access(cpu_device_max, R_OK)) {
 	for (int cpu_id=0; cpu_id < numOfCPUs; cpu_id++) {
+		TDECPUDevice* cdevice = NULL;
+		TDEGenericDevice *hwdevice;
+		for (hwdevice = hwlist.first(); hwdevice; hwdevice = hwlist.next()) {
+			TDECPUDevice* possiblecpu = static_cast<TDECPUDevice*>(hwdevice);
+			if (possiblecpu) {
+				if (possiblecpu->coreNumber() == cpu_id) {
+					cdevice = possiblecpu;
+				}
+			}
+		}
 
-		fd = open(cpu_device_max.ascii(), O_RDONLY);
-		if (read(fd, buf, 14) > 0){
-			maxfreq = strtol(buf, NULL, 10)/1000;
-			cpufreq_max_speed.append(maxfreq);
-			close(fd);
-		} else {
+		if (cdevice) {
+			cpufreq_max_speed.append(cdevice->maxFrequency());
+		}
+		else {
 			cpufreq_max_speed.append(-1);
-			close(fd);
 		}
-
-		cpu_device_max.replace(TQString::number(cpu_id), TQString::number(cpu_id+1));
 	}
 
 	kdDebugFuncOut(trace);