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-rw-r--r--tdecore/tdehw/tdehardwaredevices.cpp148
1 files changed, 71 insertions, 77 deletions
diff --git a/tdecore/tdehw/tdehardwaredevices.cpp b/tdecore/tdehw/tdehardwaredevices.cpp
index 2fbe293e5..7d222d6f7 100644
--- a/tdecore/tdehw/tdehardwaredevices.cpp
+++ b/tdecore/tdehw/tdehardwaredevices.cpp
@@ -656,8 +656,6 @@ void TDEHardwareDevices::processModifiedCPUs() {
time1 = time2;
#endif
- TDECPUDevice* firstCPU = NULL;
-
// Read in other information from cpufreq, if available
for (processorNumber=0; processorNumber<processorCount; processorNumber++) {
cdevice = dynamic_cast<TDECPUDevice*>(findCPUBySystemPath(TQString("/sys/devices/system/cpu/cpu%1").arg(processorNumber)));
@@ -672,79 +670,62 @@ void TDEHardwareDevices::processModifiedCPUs() {
TQStringList governorlist;
if (cpufreq_dir.exists()) {
TQString nodename;
- if ((processorNumber == 0) || (!firstCPU)) {
- // 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("/scaling_governor");
+ TQFile scalinggovernorfile(nodename);
+ if (scalinggovernorfile.open(IO_ReadOnly)) {
+ TQTextStream stream( &scalinggovernorfile );
+ scalinggovernor = stream.readLine();
+ scalinggovernorfile.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();
+ 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();
}
-
- // The following data are different on each CPU
nodename = cpufreq_dir.path();
nodename.append("/affected_cpus");
TQFile tiedcpusfile(nodename);
@@ -756,16 +737,29 @@ void TDEHardwareDevices::processModifiedCPUs() {
// We may already have the CPU Mhz information in '/proc/cpuinfo'
if (!have_frequency) {
+ bool cpufreq_have_frequency = false;
nodename = cpufreq_dir.path();
- nodename.append("/cpuinfo_cur_freq");
+ nodename.append("/scaling_cur_freq");
TQFile cpufreqfile(nodename);
if (cpufreqfile.open(IO_ReadOnly)) {
+ cpufreq_have_frequency = true;
+ }
+ else {
+ nodename = cpufreq_dir.path();
+ nodename.append("/cpuinfo_cur_freq");
+ cpufreqfile.setName(nodename);
+ if (cpufreqfile.open(IO_ReadOnly)) {
+ cpufreq_have_frequency = true;
+ }
+ }
+ if (cpufreq_have_frequency) {
TQTextStream stream( &cpufreqfile );
- if (cdevice) {
- cdevice->internalSetFrequency(stream.readLine().toDouble()/1000.0);
+ double cpuinfo_cur_freq = stream.readLine().toDouble()/1000.0;
+ if (cdevice && cdevice->frequency() != cpuinfo_cur_freq) {
+ modified = true;
+ cdevice->internalSetFrequency(cpuinfo_cur_freq);
}
cpufreqfile.close();
- have_frequency = true;
}
}
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