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-rw-r--r--redhat/tdelibs/tdelibs-14.0.0-reduce_tdehwlib_cpueagerness.patch934
1 files changed, 934 insertions, 0 deletions
diff --git a/redhat/tdelibs/tdelibs-14.0.0-reduce_tdehwlib_cpueagerness.patch b/redhat/tdelibs/tdelibs-14.0.0-reduce_tdehwlib_cpueagerness.patch
new file mode 100644
index 000000000..dc0e67b49
--- /dev/null
+++ b/redhat/tdelibs/tdelibs-14.0.0-reduce_tdehwlib_cpueagerness.patch
@@ -0,0 +1,934 @@
+--- tdelibs/tdecore/tdehw/tdehardwaredevices.h.ORI 2014-03-09 14:50:49.667308933 +0100
++++ tdelibs/tdecore/tdehw/tdehardwaredevices.h 2014-03-09 19:35:43.366162065 +0100
+@@ -23,6 +23,7 @@
+ #include <tqobject.h>
+ #include <tqptrlist.h>
+ #include <tqmap.h>
++#include <tqdict.h>
+ #include <tqstring.h>
+ #include <tqstringlist.h>
+
+@@ -75,6 +76,7 @@
+
+ typedef TQPtrList<TDEGenericDevice> TDEGenericHardwareList;
+ typedef TQMap<TQString, TQString> TDEDeviceIDMap;
++typedef TQDict<TDECPUDevice> TDECPUDeviceCache;
+
+ class TDECORE_EXPORT TDEHardwareDevices : public TQObject
+ {
+@@ -141,6 +143,12 @@
+ TDEStorageDevice* findDiskByUID(TQString uid);
+
+ /**
++ * Return the CPU device with system path @arg syspath, or 0 if no device exists for that path
++ * @return TDEGenericDevice
++ */
++ TDECPUDevice* findCPUBySystemPath(TQString syspath, bool inCache);
++
++ /**
+ * Look up the device in the system PCI database
+ * @param vendorid a TQString containing the vendor ID in hexadecimal
+ * @param modelid a TQString containing the model ID in hexadecimal
+@@ -222,6 +230,15 @@
+ void setTriggerlessHardwareUpdatesEnabled(bool enable);
+
+ /**
++ * Enable or disable automatic state updates of battery hardware devices.
++ * When enabled, your application will use
++ * additional CPU resources to continually poll triggerless hardware devices.
++ * Automatic updates are disabled by default.
++ * @param enable a bool specifiying whether or not automatic updates should be enabled
++ */
++ void setBatteryUpdatesEnabled(bool enable);
++
++ /**
+ * Convert a byte count to human readable form
+ * @param bytes a double containing the number of bytes
+ * @return a TQString containing the human readable byte count
+@@ -246,6 +263,7 @@
+ void processHotPluggedHardware();
+ void processModifiedMounts();
+ void processModifiedCPUs();
++ void processBatteryDevices();
+ void processStatelessDevices();
+ void processEventDeviceKeyPressed(unsigned int keycode, TDEEventDevice* edevice);
+
+@@ -280,6 +298,7 @@
+ int m_procMountsFd;
+ KSimpleDirWatch* m_cpuWatch;
+ TQTimer* m_cpuWatchTimer;
++ TQTimer* m_batteryWatchTimer;
+ TQTimer* m_deviceWatchTimer;
+
+ TQSocketNotifier* m_devScanNotifier;
+@@ -292,6 +311,8 @@
+ TDEDeviceIDMap* usb_id_map;
+ TDEDeviceIDMap* pnp_id_map;
+ TDEDeviceIDMap* dpy_id_map;
++
++ TDECPUDeviceCache m_cpuByPathCache;
+
+ friend class TDEGenericDevice;
+ friend class TDEStorageDevice;
+--- tdelibs/tdecore/tdehw/tdehardwaredevices.cpp.ORI 2014-03-09 10:18:31.643019852 +0100
++++ tdelibs/tdecore/tdehw/tdehardwaredevices.cpp 2014-03-09 19:37:30.389672774 +0100
+@@ -70,6 +70,24 @@
+ // Compile-time configuration
+ #include "config.h"
+
++// Profiling stuff
++//#define CPUPROFILING
++//#define STATELESSPROFILING
++
++#include <time.h>
++timespec diff(timespec start, timespec end)
++{
++ timespec temp;
++ if ((end.tv_nsec-start.tv_nsec)<0) {
++ temp.tv_sec = end.tv_sec-start.tv_sec-1;
++ temp.tv_nsec = 1000000000+end.tv_nsec-start.tv_nsec;
++ } else {
++ temp.tv_sec = end.tv_sec-start.tv_sec;
++ temp.tv_nsec = end.tv_nsec-start.tv_nsec;
++ }
++ return temp;
++}
++
+ // BEGIN BLOCK
+ // Copied from include/linux/genhd.h
+ #define GENHD_FL_REMOVABLE 1
+@@ -199,6 +217,10 @@
+ m_deviceWatchTimer = new TQTimer(this);
+ connect( m_deviceWatchTimer, SIGNAL(timeout()), this, SLOT(processStatelessDevices()) );
+
++ // Special case for battery polling (longer delay, 5 seconds)
++ m_batteryWatchTimer = new TQTimer(this);
++ connect( m_batteryWatchTimer, SIGNAL(timeout()), this, SLOT(processBatteryDevices()) );
++
+ // Update internal device information
+ queryHardwareInformation();
+ }
+@@ -207,6 +229,7 @@
+ TDEHardwareDevices::~TDEHardwareDevices() {
+ // Stop device scanning
+ m_deviceWatchTimer->stop();
++ m_batteryWatchTimer->stop();
+
+ // [FIXME 0.01]
+ #if 0
+@@ -243,6 +266,7 @@
+ if (nodezerocpufreq.exists()) {
+ m_cpuWatchTimer->start( 500, FALSE ); // 0.5 second repeating timer
+ }
++ m_batteryWatchTimer->stop(); // Battery devices are included in stateless devices
+ m_deviceWatchTimer->start( 1000, FALSE ); // 1 second repeating timer
+ }
+ else {
+@@ -251,6 +275,20 @@
+ }
+ }
+
++void TDEHardwareDevices::setBatteryUpdatesEnabled(bool enable) {
++ if (enable) {
++ TQDir nodezerocpufreq("/sys/devices/system/cpu/cpu0/cpufreq");
++ if (nodezerocpufreq.exists()) {
++ m_cpuWatchTimer->start( 500, FALSE ); // 0.5 second repeating timer
++ }
++ m_batteryWatchTimer->start( 5000, FALSE ); // 5 second repeating timer
++ }
++ else {
++ m_cpuWatchTimer->stop();
++ m_batteryWatchTimer->stop();
++ }
++}
++
+ void TDEHardwareDevices::rescanDeviceInformation(TDEGenericDevice* hwdevice) {
+ rescanDeviceInformation(hwdevice, true);
+ }
+@@ -270,6 +308,7 @@
+ syspath += "/";
+ }
+ TDEGenericDevice *hwdevice;
++
+ // We can't use m_deviceList directly as m_deviceList can only have one iterator active against it at any given time
+ TDEGenericHardwareList devList = listAllPhysicalDevices();
+ for ( hwdevice = devList.first(); hwdevice; hwdevice = devList.next() ) {
+@@ -281,6 +320,30 @@
+ return 0;
+ }
+
++TDECPUDevice* TDEHardwareDevices::findCPUBySystemPath(TQString syspath, bool inCache=true) {
++ TDECPUDevice* cdevice;
++
++ // Look for the device in the cache first
++ if(inCache && !m_cpuByPathCache.isEmpty()) {
++ cdevice = m_cpuByPathCache.find(syspath);
++ if(cdevice) {
++ return cdevice;
++ }
++ }
++
++ // If the CPU was not found in cache, we need to parse the entire device list to get it.
++ cdevice = dynamic_cast<TDECPUDevice*>(findBySystemPath(syspath));
++ if(cdevice) {
++ if(inCache) {
++ m_cpuByPathCache.insert(syspath, cdevice); // Add the device to the cache
++ }
++ return cdevice;
++ }
++
++ return 0;
++}
++
++
+ TDEGenericDevice* TDEHardwareDevices::findByUniqueID(TQString uid) {
+ TDEGenericDevice *hwdevice;
+ // We can't use m_deviceList directly as m_deviceList can only have one iterator active against it at any given time
+@@ -410,17 +473,29 @@
+ // Detect what changed between the old cpu information and the new information,
+ // and emit appropriate events
+
++#ifdef CPUPROFILING
++ timespec time1, time2, time3;
++ clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &time1);
++ time3 = time1;
++ printf("TDEHardwareDevices::processModifiedCPUs() : begin at '%u'\n", time1.tv_nsec);
++#endif
++
+ // Read new CPU information table
+ m_cpuInfo.clear();
+ TQFile cpufile( "/proc/cpuinfo" );
+ if ( cpufile.open( IO_ReadOnly ) ) {
+ TQTextStream stream( &cpufile );
+- while ( !stream.atEnd() ) {
+- m_cpuInfo.append(stream.readLine());
+- }
++ // Using read() instead of readLine() inside a loop is 4 times faster !
++ m_cpuInfo = TQStringList::split('\n', stream.read(), true);
+ cpufile.close();
+ }
+
++#ifdef CPUPROFILING
++ clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &time2);
++ printf("TDEHardwareDevices::processModifiedCPUs() : checkpoint1 at %u [%u]\n", time2.tv_nsec, diff(time1,time2).tv_nsec);
++ time1 = time2;
++#endif
++
+ // Ensure "processor" is the first entry in each block and determine which cpuinfo type is in use
+ bool cpuinfo_format_x86 = true;
+ bool cpuinfo_format_arm = false;
+@@ -431,39 +506,43 @@
+ TQStringList::Iterator blockBegin = m_cpuInfo.begin();
+ for (TQStringList::Iterator cpuit1 = m_cpuInfo.begin(); cpuit1 != m_cpuInfo.end(); ++cpuit1) {
+ curline1 = *cpuit1;
+- curline1 = curline1.stripWhiteSpace();
+ if (!(*blockBegin).startsWith("processor")) {
+ bool found = false;
+ TQStringList::Iterator cpuit2;
+ for (cpuit2 = blockBegin; cpuit2 != m_cpuInfo.end(); ++cpuit2) {
+ curline2 = *cpuit2;
+- curline2 = curline2.stripWhiteSpace();
+ if (curline2.startsWith("processor")) {
+ found = true;
+ break;
+ }
+- else if (curline2 == "") {
++ else if (curline2 == NULL || curline2 == "") {
+ break;
+ }
+ }
+ if (found) {
+ m_cpuInfo.insert(blockBegin, (*cpuit2));
+ }
+- else {
++ else if(blockNumber == 0) {
+ m_cpuInfo.insert(blockBegin, "processor : 0");
+ }
+ }
+- if (curline1 == "") {
++ if (curline1 == NULL || curline1 == "") {
+ blockNumber++;
+ blockBegin = cpuit1;
+ blockBegin++;
+ }
+- if (curline1.startsWith("Processor")) {
++ else if (curline1.startsWith("Processor")) {
+ cpuinfo_format_x86 = false;
+ cpuinfo_format_arm = true;
+ }
+ }
+
++#ifdef CPUPROFILING
++ clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &time2);
++ printf("TDEHardwareDevices::processModifiedCPUs() : checkpoint2 at %u [%u]\n", time2.tv_nsec, diff(time1,time2).tv_nsec);
++ time1 = time2;
++#endif
++
+ // Parse CPU information table
+ TDECPUDevice *cdevice;
+ cdevice = 0;
+@@ -482,44 +561,45 @@
+ for (cpuit = m_cpuInfo.begin(); cpuit != m_cpuInfo.end(); ++cpuit) {
+ curline = *cpuit;
+ if (curline.startsWith("processor")) {
+- curline.remove(0, curline.find(":")+1);
+- curline = curline.stripWhiteSpace();
++ curline.remove(0, curline.find(":")+2);
+ processorNumber = curline.toInt();
+- if (!cdevice) cdevice = dynamic_cast<TDECPUDevice*>(findBySystemPath(TQString("/sys/devices/system/cpu/cpu%1").arg(processorNumber)));
++ if (!cdevice) {
++ cdevice = dynamic_cast<TDECPUDevice*>(findCPUBySystemPath(TQString("/sys/devices/system/cpu/cpu%1").arg(processorNumber)));
++ }
+ if (cdevice) {
+- if (cdevice->coreNumber() != processorNumber) modified = true;
+- cdevice->internalSetCoreNumber(processorNumber);
++ if (cdevice->coreNumber() != processorNumber) {
++ modified = true;
++ cdevice->internalSetCoreNumber(processorNumber);
++ }
+ }
+ }
+- if (curline.startsWith("model name")) {
+- curline.remove(0, curline.find(":")+1);
+- curline = curline.stripWhiteSpace();
+- if (cdevice) {
+- if (cdevice->name() != curline) modified = true;
++ else if (cdevice && curline.startsWith("model name")) {
++ curline.remove(0, curline.find(":")+2);
++ if (cdevice->name() != curline) {
++ modified = true;
+ cdevice->internalSetName(curline);
+ }
+ }
+- if (curline.startsWith("cpu MHz")) {
+- curline.remove(0, curline.find(":")+1);
+- curline = curline.stripWhiteSpace();
+- if (cdevice) {
+- if (cdevice->frequency() != curline.toDouble()) modified = true;
++ else if (cdevice && curline.startsWith("cpu MHz")) {
++ curline.remove(0, curline.find(":")+2);
++ if (cdevice->frequency() != curline.toDouble()) {
++ modified = true;
+ cdevice->internalSetFrequency(curline.toDouble());
+- have_frequency = true;
+ }
++ have_frequency = true;
+ }
+- if (curline.startsWith("vendor_id")) {
+- curline.remove(0, curline.find(":")+1);
+- curline = curline.stripWhiteSpace();
+- if (cdevice) {
+- if (cdevice->vendorName() != curline) modified = true;
++ else if (cdevice && curline.startsWith("vendor_id")) {
++ curline.remove(0, curline.find(":")+2);
++ if (cdevice->vendorName() != curline) {
++ modified = true;
+ cdevice->internalSetVendorName(curline);
+- if (cdevice->vendorEncoded() != curline) modified = true;
++ }
++ if (cdevice->vendorEncoded() != curline) {
++ modified = true;
+ cdevice->internalSetVendorEncoded(curline);
+ }
+ }
+- curline = curline.stripWhiteSpace();
+- if (curline == "") {
++ else if (curline == NULL || curline == "") {
+ cdevice = 0;
+ }
+ }
+@@ -535,29 +615,25 @@
+ for (cpuit = m_cpuInfo.begin(); cpuit != m_cpuInfo.end(); ++cpuit) {
+ curline = *cpuit;
+ if (curline.startsWith("Processor")) {
+- curline.remove(0, curline.find(":")+1);
+- curline = curline.stripWhiteSpace();
++ curline.remove(0, curline.find(":")+2);
+ modelName = curline;
+ }
+- if (curline.startsWith("Hardware")) {
+- curline.remove(0, curline.find(":")+1);
+- curline = curline.stripWhiteSpace();
++ else if (curline.startsWith("Hardware")) {
++ curline.remove(0, curline.find(":")+2);
+ vendorName = curline;
+ }
+- if (curline.startsWith("Serial")) {
+- curline.remove(0, curline.find(":")+1);
+- curline = curline.stripWhiteSpace();
++ else if (curline.startsWith("Serial")) {
++ curline.remove(0, curline.find(":")+2);
+ serialNumber = curline;
+ }
+ }
+ for (TQStringList::Iterator cpuit = m_cpuInfo.begin(); cpuit != m_cpuInfo.end(); ++cpuit) {
+ curline = *cpuit;
+ if (curline.startsWith("processor")) {
+- curline.remove(0, curline.find(":")+1);
+- curline = curline.stripWhiteSpace();
++ curline.remove(0, curline.find(":")+2);
+ processorNumber = curline.toInt();
+ if (!cdevice) {
+- cdevice = dynamic_cast<TDECPUDevice*>(findBySystemPath(TQString("/sys/devices/system/cpu/cpu%1").arg(processorNumber)));
++ cdevice = dynamic_cast<TDECPUDevice*>(findCPUBySystemPath(TQString("/sys/devices/system/cpu/cpu%1").arg(processorNumber)));
+ if (cdevice) {
+ // Set up CPU information structures
+ if (cdevice->coreNumber() != processorNumber) modified = true;
+@@ -573,8 +649,7 @@
+ }
+ }
+ }
+- curline = curline.stripWhiteSpace();
+- if (curline == "") {
++ if (curline == NULL || curline == "") {
+ cdevice = 0;
+ }
+ }
+@@ -582,9 +657,17 @@
+
+ processorCount = processorNumber+1;
+
++#ifdef CPUPROFILING
++ clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &time2);
++ printf("TDEHardwareDevices::processModifiedCPUs() : checkpoint3 at %u [%u]\n", time2.tv_nsec, diff(time1,time2).tv_nsec);
++ time1 = time2;
++#endif
++
++ TDECPUDevice* firstCPU;
++
+ // Read in other information from cpufreq, if available
+ for (processorNumber=0; processorNumber<processorCount; processorNumber++) {
+- cdevice = dynamic_cast<TDECPUDevice*>(findBySystemPath(TQString("/sys/devices/system/cpu/cpu%1").arg(processorNumber)));
++ cdevice = dynamic_cast<TDECPUDevice*>(findCPUBySystemPath(TQString("/sys/devices/system/cpu/cpu%1").arg(processorNumber)));
+ TQDir cpufreq_dir(TQString("/sys/devices/system/cpu/cpu%1/cpufreq").arg(processorNumber));
+ TQString scalinggovernor;
+ TQString scalingdriver;
+@@ -595,107 +678,131 @@
+ TQStringList frequencylist;
+ TQStringList governorlist;
+ if (cpufreq_dir.exists()) {
+- TQString nodename = cpufreq_dir.path();
+- nodename.append("/scaling_governor");
+- TQFile scalinggovernorfile(nodename);
+- if (scalinggovernorfile.open(IO_ReadOnly)) {
+- TQTextStream stream( &scalinggovernorfile );
+- scalinggovernor = stream.readLine();
+- scalinggovernorfile.close();
+- }
+- nodename = cpufreq_dir.path();
+- nodename.append("/scaling_driver");
+- TQFile scalingdriverfile(nodename);
+- if (scalingdriverfile.open(IO_ReadOnly)) {
+- TQTextStream stream( &scalingdriverfile );
+- scalingdriver = stream.readLine();
+- scalingdriverfile.close();
+- }
+- nodename = cpufreq_dir.path();
+- nodename.append("/cpuinfo_min_freq");
+- TQFile minfrequencyfile(nodename);
+- if (minfrequencyfile.open(IO_ReadOnly)) {
+- TQTextStream stream( &minfrequencyfile );
+- minfrequency = stream.readLine().toDouble()/1000.0;
+- minfrequencyfile.close();
+- }
+- nodename = cpufreq_dir.path();
+- nodename.append("/cpuinfo_max_freq");
+- TQFile maxfrequencyfile(nodename);
+- if (maxfrequencyfile.open(IO_ReadOnly)) {
+- TQTextStream stream( &maxfrequencyfile );
+- maxfrequency = stream.readLine().toDouble()/1000.0;
+- maxfrequencyfile.close();
++ TQString nodename;
++ if(processorNumber == 0) {
++ // Remember the first CPU options so that we can reuse it later.
++ firstCPU = cdevice;
++
++ nodename = cpufreq_dir.path();
++ nodename.append("/scaling_governor");
++ TQFile scalinggovernorfile(nodename);
++ if (scalinggovernorfile.open(IO_ReadOnly)) {
++ TQTextStream stream( &scalinggovernorfile );
++ scalinggovernor = stream.readLine();
++ scalinggovernorfile.close();
++ }
++ nodename = cpufreq_dir.path();
++ nodename.append("/scaling_driver");
++ TQFile scalingdriverfile(nodename);
++ if (scalingdriverfile.open(IO_ReadOnly)) {
++ TQTextStream stream( &scalingdriverfile );
++ scalingdriver = stream.readLine();
++ scalingdriverfile.close();
++ }
++ nodename = cpufreq_dir.path();
++ nodename.append("/cpuinfo_min_freq");
++ TQFile minfrequencyfile(nodename);
++ if (minfrequencyfile.open(IO_ReadOnly)) {
++ TQTextStream stream( &minfrequencyfile );
++ minfrequency = stream.readLine().toDouble()/1000.0;
++ minfrequencyfile.close();
++ }
++ nodename = cpufreq_dir.path();
++ nodename.append("/cpuinfo_max_freq");
++ TQFile maxfrequencyfile(nodename);
++ if (maxfrequencyfile.open(IO_ReadOnly)) {
++ TQTextStream stream( &maxfrequencyfile );
++ maxfrequency = stream.readLine().toDouble()/1000.0;
++ maxfrequencyfile.close();
++ }
++ nodename = cpufreq_dir.path();
++ nodename.append("/cpuinfo_transition_latency");
++ TQFile trlatencyfile(nodename);
++ if (trlatencyfile.open(IO_ReadOnly)) {
++ TQTextStream stream( &trlatencyfile );
++ trlatency = stream.readLine().toDouble()/1000.0;
++ trlatencyfile.close();
++ }
++ nodename = cpufreq_dir.path();
++ nodename.append("/scaling_available_frequencies");
++ TQFile availfreqsfile(nodename);
++ if (availfreqsfile.open(IO_ReadOnly)) {
++ TQTextStream stream( &availfreqsfile );
++ frequencylist = TQStringList::split(" ", stream.readLine());
++ availfreqsfile.close();
++ }
++ nodename = cpufreq_dir.path();
++ nodename.append("/scaling_available_governors");
++ TQFile availgvrnsfile(nodename);
++ if (availgvrnsfile.open(IO_ReadOnly)) {
++ TQTextStream stream( &availgvrnsfile );
++ governorlist = TQStringList::split(" ", stream.readLine());
++ availgvrnsfile.close();
++ }
+ }
+- nodename = cpufreq_dir.path();
+- nodename.append("/cpuinfo_transition_latency");
+- TQFile trlatencyfile(nodename);
+- if (trlatencyfile.open(IO_ReadOnly)) {
+- TQTextStream stream( &trlatencyfile );
+- trlatency = stream.readLine().toDouble()/1000.0;
+- trlatencyfile.close();
++ // Other CPU should have the same values as the first one. Simply copy them.
++ else {
++ scalinggovernor = firstCPU->governor();
++ scalingdriver = firstCPU->scalingDriver();
++ minfrequency = firstCPU->minFrequency();
++ maxfrequency = firstCPU->maxFrequency();
++ trlatency = firstCPU->transitionLatency();
++ frequencylist = firstCPU->availableFrequencies();
++ governorlist = firstCPU->availableGovernors();
+ }
++
++ // The following data are different on each CPU
+ nodename = cpufreq_dir.path();
+ nodename.append("/affected_cpus");
+ TQFile tiedcpusfile(nodename);
+ if (tiedcpusfile.open(IO_ReadOnly)) {
+ TQTextStream stream( &tiedcpusfile );
+ affectedcpulist = TQStringList::split(" ", stream.readLine());
+ tiedcpusfile.close();
+ }
+- nodename = cpufreq_dir.path();
+- nodename.append("/scaling_available_frequencies");
+- TQFile availfreqsfile(nodename);
+- if (availfreqsfile.open(IO_ReadOnly)) {
+- TQTextStream stream( &availfreqsfile );
+- frequencylist = TQStringList::split(" ", stream.readLine());
+- availfreqsfile.close();
+- }
+- nodename = cpufreq_dir.path();
+- nodename.append("/scaling_available_governors");
+- TQFile availgvrnsfile(nodename);
+- if (availgvrnsfile.open(IO_ReadOnly)) {
+- TQTextStream stream( &availgvrnsfile );
+- governorlist = TQStringList::split(" ", stream.readLine());
+- availgvrnsfile.close();
+- }
+
++ // We may already have the CPU Mhz information in '/proc/cpuinfo'
+ if (!have_frequency) {
+ nodename = cpufreq_dir.path();
+ nodename.append("/cpuinfo_cur_freq");
+ TQFile cpufreqfile(nodename);
+ if (cpufreqfile.open(IO_ReadOnly)) {
+ TQTextStream stream( &cpufreqfile );
+- if (cdevice) cdevice->internalSetFrequency(stream.readLine().toDouble()/1000.0);
++ if (cdevice) {
++ cdevice->internalSetFrequency(stream.readLine().toDouble()/1000.0);
++ }
+ cpufreqfile.close();
+ have_frequency = true;
+ }
+ }
+
+- bool frequencyFound;
++ bool minfrequencyFound = false;
++ bool maxfrequencyFound = false;
+ TQStringList::Iterator freqit;
+- frequencyFound = false;
+ for ( freqit = frequencylist.begin(); freqit != frequencylist.end(); ++freqit ) {
+ double thisfrequency = (*freqit).toDouble()/1000.0;
+ if (thisfrequency == minfrequency) {
+- frequencyFound = true;
++ minfrequencyFound = true;
++ }
++ if (thisfrequency == maxfrequency) {
++ maxfrequencyFound = true;
+ }
++
+ }
+- if (!frequencyFound) {
++ if (!minfrequencyFound) {
+ int minFrequencyInt = (minfrequency*1000.0);
+ frequencylist.prepend(TQString("%1").arg(minFrequencyInt));
+ }
+- frequencyFound = false;
+- for ( freqit = frequencylist.begin(); freqit != frequencylist.end(); ++freqit ) {
+- double thisfrequency = (*freqit).toDouble()/1000.0;
+- if (thisfrequency == maxfrequency) {
+- frequencyFound = true;
+- }
+- }
+- if (!frequencyFound) {
++ if (!maxfrequencyFound) {
+ int maxfrequencyInt = (maxfrequency*1000.0);
+ frequencylist.append(TQString("%1").arg(maxfrequencyInt));
+ }
++
++#ifdef CPUPROFILING
++ clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &time2);
++ printf("TDEHardwareDevices::processModifiedCPUs() : checkpoint3.%u at %u [%u]\n", processorNumber, time2.tv_nsec, diff(time1,time2).tv_nsec);
++ time1 = time2;
++#endif
+ }
+ else {
+ if (have_frequency) {
+@@ -708,33 +815,61 @@
+
+ // Update CPU information structure
+ if (cdevice) {
+- if (cdevice->governor() != scalinggovernor) modified = true;
+- cdevice->internalSetGovernor(scalinggovernor);
+- if (cdevice->scalingDriver() != scalingdriver) modified = true;
+- cdevice->internalSetScalingDriver(scalingdriver);
+- if (cdevice->minFrequency() != minfrequency) modified = true;
+- cdevice->internalSetMinFrequency(minfrequency);
+- if (cdevice->maxFrequency() != maxfrequency) modified = true;
+- cdevice->internalSetMaxFrequency(maxfrequency);
+- if (cdevice->transitionLatency() != trlatency) modified = true;
+- cdevice->internalSetTransitionLatency(trlatency);
+- if (cdevice->dependentProcessors().join(" ") != affectedcpulist.join(" ")) modified = true;
+- cdevice->internalSetDependentProcessors(affectedcpulist);
+- if (cdevice->availableFrequencies().join(" ") != frequencylist.join(" ")) modified = true;
+- cdevice->internalSetAvailableFrequencies(frequencylist);
+- if (cdevice->availableGovernors().join(" ") != governorlist.join(" ")) modified = true;
+- cdevice->internalSetAvailableGovernors(governorlist);
++ if (cdevice->governor() != scalinggovernor) {
++ modified = true;
++ cdevice->internalSetGovernor(scalinggovernor);
++ }
++ if (cdevice->scalingDriver() != scalingdriver) {
++ modified = true;
++ cdevice->internalSetScalingDriver(scalingdriver);
++ }
++ if (cdevice->minFrequency() != minfrequency) {
++ modified = true;
++ cdevice->internalSetMinFrequency(minfrequency);
++ }
++ if (cdevice->maxFrequency() != maxfrequency) {
++ modified = true;
++ cdevice->internalSetMaxFrequency(maxfrequency);
++ }
++ if (cdevice->transitionLatency() != trlatency) {
++ modified = true;
++ cdevice->internalSetTransitionLatency(trlatency);
++ }
++ if (cdevice->dependentProcessors().join(" ") != affectedcpulist.join(" ")) {
++ modified = true;
++ cdevice->internalSetDependentProcessors(affectedcpulist);
++ }
++ if (cdevice->availableFrequencies().join(" ") != frequencylist.join(" ")) {
++ modified = true;
++ cdevice->internalSetAvailableFrequencies(frequencylist);
++ }
++ if (cdevice->availableGovernors().join(" ") != governorlist.join(" ")) {
++ modified = true;
++ cdevice->internalSetAvailableGovernors(governorlist);
++ }
+ }
+ }
+
++#ifdef CPUPROFILING
++ clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &time2);
++ printf("TDEHardwareDevices::processModifiedCPUs() : checkpoint4 at %u [%u]\n", time2.tv_nsec, diff(time1,time2).tv_nsec);
++ time1 = time2;
++#endif
++
+ if (modified) {
+ for (processorNumber=0; processorNumber<processorCount; processorNumber++) {
+- TDEGenericDevice* hwdevice = findBySystemPath(TQString("/sys/devices/system/cpu/cpu%1").arg(processorNumber));
++ TDEGenericDevice* hwdevice = findCPUBySystemPath(TQString("/sys/devices/system/cpu/cpu%1").arg(processorNumber));
+ // Signal new information available
+ emit hardwareUpdated(hwdevice);
+ emit hardwareEvent(TDEHardwareEvent::HardwareUpdated, hwdevice->uniqueID());
+ }
+ }
++
++#ifdef CPUPROFILING
++ clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &time2);
++ printf("TDEHardwareDevices::processModifiedCPUs() : end at %u [%u]\n", time2.tv_nsec, diff(time1,time2).tv_nsec);
++ printf("TDEHardwareDevices::processModifiedCPUs() : total time: %u\n", diff(time3,time2).tv_nsec);
++#endif
+ }
+
+ void TDEHardwareDevices::processStatelessDevices() {
+@@ -742,6 +877,13 @@
+ // So far, network cards and sensors need to be polled
+ TDEGenericDevice *hwdevice;
+
++#ifdef STATELESSPROFILING
++ timespec time1, time2, time3;
++ clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &time1);
++ printf("TDEHardwareDevices::processStatelessDevices() : begin at '%u'\n", time1.tv_nsec);
++ time3 = time1;
++#endif
++
+ // We can't use m_deviceList directly as m_deviceList can only have one iterator active against it at any given time
+ TDEGenericHardwareList devList = listAllPhysicalDevices();
+ for ( hwdevice = devList.first(); hwdevice; hwdevice = devList.next() ) {
+@@ -749,10 +891,36 @@
+ rescanDeviceInformation(hwdevice, false);
+ emit hardwareUpdated(hwdevice);
+ emit hardwareEvent(TDEHardwareEvent::HardwareUpdated, hwdevice->uniqueID());
++#ifdef STATELESSPROFILING
++ clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &time2);
++ printf("TDEHardwareDevices::processStatelessDevices() : '%s' finished at %u [%u]\n", (hwdevice->name()).ascii(), time2.tv_nsec, diff(time1,time2).tv_nsec);
++ time1 = time2;
++#endif
++ }
++ }
++
++#ifdef STATELESSPROFILING
++ clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &time2);
++ printf("TDEHardwareDevices::processStatelessDevices() : end at '%u'\n", time2.tv_nsec);
++ printf("TDEHardwareDevices::processStatelessDevices() : took '%u'\n", diff(time3,time2).tv_nsec);
++#endif
++}
++
++void TDEHardwareDevices::processBatteryDevices() {
++ TDEGenericDevice *hwdevice;
++
++ // We can't use m_deviceList directly as m_deviceList can only have one iterator active against it at any given time
++ TDEGenericHardwareList devList = listAllPhysicalDevices();
++ for ( hwdevice = devList.first(); hwdevice; hwdevice = devList.next() ) {
++ if (hwdevice->type() == TDEGenericDeviceType::Battery) {
++ rescanDeviceInformation(hwdevice, false);
++ emit hardwareUpdated(hwdevice);
++ emit hardwareEvent(TDEHardwareEvent::HardwareUpdated, hwdevice->uniqueID());
+ }
+ }
+ }
+
++
+ void TDEHardwareDevices::processEventDeviceKeyPressed(unsigned int keycode, TDEEventDevice* edevice) {
+ emit eventDeviceKeyPressed(keycode, edevice);
+ }
+@@ -2556,13 +2724,13 @@
+ if (nodename == "address") {
+ ndevice->internalSetMacAddress(line);
+ }
+- if (nodename == "carrier") {
++ else if (nodename == "carrier") {
+ ndevice->internalSetCarrierPresent(line.toInt());
+ }
+- if (nodename == "dormant") {
++ else if (nodename == "dormant") {
+ ndevice->internalSetDormant(line.toInt());
+ }
+- if (nodename == "operstate") {
++ else if (nodename == "operstate") {
+ TQString friendlyState = line.lower();
+ friendlyState[0] = friendlyState[0].upper();
+ ndevice->internalSetState(friendlyState);
+@@ -2594,7 +2762,7 @@
+ if (family == AF_INET) {
+ ndevice->internalSetIpV4Address(address);
+ }
+- if (family == AF_INET6) {
++ else if (family == AF_INET6) {
+ address.truncate(address.findRev("%"));
+ ndevice->internalSetIpV6Address(address);
+ }
+@@ -2605,7 +2773,7 @@
+ if (family == AF_INET) {
+ ndevice->internalSetIpV4Netmask(address);
+ }
+- if (family == AF_INET6) {
++ else if (family == AF_INET6) {
+ address.truncate(address.findRev("%"));
+ ndevice->internalSetIpV6Netmask(address);
+ }
+@@ -2616,7 +2784,7 @@
+ if (family == AF_INET) {
+ ndevice->internalSetIpV4Broadcast(address);
+ }
+- if (family == AF_INET6) {
++ else if (family == AF_INET6) {
+ address.truncate(address.findRev("%"));
+ ndevice->internalSetIpV6Broadcast(address);
+ }
+@@ -2627,7 +2795,7 @@
+ if (family == AF_INET) {
+ ndevice->internalSetIpV4Destination(address);
+ }
+- if (family == AF_INET6) {
++ else if (family == AF_INET6) {
+ address.truncate(address.findRev("%"));
+ ndevice->internalSetIpV6Destination(address);
+ }
+@@ -2658,13 +2826,13 @@
+ if (nodename == "rx_bytes") {
+ ndevice->internalSetRxBytes(line.toDouble());
+ }
+- if (nodename == "tx_bytes") {
++ else if (nodename == "tx_bytes") {
+ ndevice->internalSetTxBytes(line.toDouble());
+ }
+- if (nodename == "rx_packets") {
++ else if (nodename == "rx_packets") {
+ ndevice->internalSetRxPackets(line.toDouble());
+ }
+- if (nodename == "tx_packets") {
++ else if (nodename == "tx_packets") {
+ ndevice->internalSetTxPackets(line.toDouble());
+ }
+ file.close();
+@@ -2705,19 +2873,19 @@
+ if (sensornodetype == "label") {
+ sensors[sensornodename].label = line;
+ }
+- if (sensornodetype == "input") {
++ else if (sensornodetype == "input") {
+ sensors[sensornodename].current = lineValue;
+ }
+- if (sensornodetype == "min") {
++ else if (sensornodetype == "min") {
+ sensors[sensornodename].minimum = lineValue;
+ }
+- if (sensornodetype == "max") {
++ else if (sensornodetype == "max") {
+ sensors[sensornodename].maximum = lineValue;
+ }
+- if (sensornodetype == "warn") {
++ else if (sensornodetype == "warn") {
+ sensors[sensornodename].warning = lineValue;
+ }
+- if (sensornodetype == "crit") {
++ else if (sensornodetype == "crit") {
+ sensors[sensornodename].critical = lineValue;
+ }
+ file.close();
+@@ -2752,40 +2920,40 @@
+ if (nodename == "alarm") {
+ bdevice->internalSetAlarmEnergy(line.toDouble()/1000000.0);
+ }
+- if (nodename == "charge_full" || nodename == "energy_full") {
++ else if (nodename == "charge_full" || nodename == "energy_full") {
+ bdevice->internalSetMaximumEnergy(line.toDouble()/1000000.0);
+ }
+- if (nodename == "charge_full_design" || nodename == "energy_full_design") {
++ else if (nodename == "charge_full_design" || nodename == "energy_full_design") {
+ bdevice->internalSetMaximumDesignEnergy(line.toDouble()/1000000.0);
+ }
+- if (nodename == "charge_now" || nodename == "energy_now") {
++ else if (nodename == "charge_now" || nodename == "energy_now") {
+ bdevice->internalSetEnergy(line.toDouble()/1000000.0);
+ }
+- if (nodename == "manufacturer") {
++ else if (nodename == "manufacturer") {
+ bdevice->internalSetVendorName(line.stripWhiteSpace());
+ }
+- if (nodename == "model_name") {
++ else if (nodename == "model_name") {
+ bdevice->internalSetVendorModel(line.stripWhiteSpace());
+ }
+- if (nodename == "power_now" || nodename == "current_now") {
++ else if (nodename == "power_now" || nodename == "current_now") {
+ bdevice->internalSetDischargeRate(line.toDouble()/1000000.0);
+ }
+- if (nodename == "present") {
++ else if (nodename == "present") {
+ bdevice->internalSetInstalled(line.toInt());
+ }
+- if (nodename == "serial_number") {
++ else if (nodename == "serial_number") {
+ bdevice->internalSetSerialNumber(line.stripWhiteSpace());
+ }
+- if (nodename == "status") {
++ else if (nodename == "status") {
+ bdevice->internalSetStatus(line);
+ }
+- if (nodename == "technology") {
++ else if (nodename == "technology") {
+ bdevice->internalSetTechnology(line);
+ }
+- if (nodename == "voltage_min_design") {
++ else if (nodename == "voltage_min_design") {
+ bdevice->internalSetMinimumVoltage(line.toDouble()/1000000.0);
+ }
+- if (nodename == "voltage_now") {
++ else if (nodename == "voltage_now") {
+ bdevice->internalSetVoltage(line.toDouble()/1000000.0);
+ }
+ file.close();
+@@ -2823,13 +2991,13 @@
+ if (nodename == "manufacturer") {
+ pdevice->internalSetVendorName(line.stripWhiteSpace());
+ }
+- if (nodename == "model_name") {
++ else if (nodename == "model_name") {
+ pdevice->internalSetVendorModel(line.stripWhiteSpace());
+ }
+- if (nodename == "online") {
++ else if (nodename == "online") {
+ pdevice->internalSetOnline(line.toInt());
+ }
+- if (nodename == "serial_number") {
++ else if (nodename == "serial_number") {
+ pdevice->internalSetSerialNumber(line.stripWhiteSpace());
+ }
+ file.close();
+@@ -2868,10 +3036,10 @@
+ }
+ bdevice->internalSetPowerLevel(pl);
+ }
+- if (nodename == "max_brightness") {
++ else if (nodename == "max_brightness") {
+ bdevice->internalSetMaximumRawBrightness(line.toInt());
+ }
+- if (nodename == "actual_brightness") {
++ else if (nodename == "actual_brightness") {
+ bdevice->internalSetCurrentRawBrightness(line.toInt());
+ }
+ file.close();
+@@ -2901,10 +3069,10 @@
+ if (nodename == "status") {
+ mdevice->internalSetConnected(line.lower() == "connected");
+ }
+- if (nodename == "enabled") {
++ else if (nodename == "enabled") {
+ mdevice->internalSetEnabled(line.lower() == "enabled");
+ }
+- if (nodename == "modes") {
++ else if (nodename == "modes") {
+ TQStringList resinfo;
+ TQStringList resolutionsStringList = line.upper();
+ while ((!stream.atEnd()) && (!line.isNull())) {
+@@ -2921,7 +3089,7 @@
+ }
+ mdevice->internalSetResolutions(resolutions);
+ }
+- if (nodename == "dpms") {
++ else if (nodename == "dpms") {
+ TDEDisplayPowerLevel::TDEDisplayPowerLevel pl = TDEDisplayPowerLevel::On;
+ if (line == "On") {
+ pl = TDEDisplayPowerLevel::On;