diff options
| -rw-r--r-- | tdecore/tdehardwaredevices.cpp | 40 | ||||
| -rw-r--r-- | tdecore/tdehardwaredevices.h | 38 |
2 files changed, 70 insertions, 8 deletions
diff --git a/tdecore/tdehardwaredevices.cpp b/tdecore/tdehardwaredevices.cpp index fcb70cbc2..abeddaf43 100644 --- a/tdecore/tdehardwaredevices.cpp +++ b/tdecore/tdehardwaredevices.cpp @@ -887,6 +887,35 @@ void TDECPUDevice::internalSetAvailableFrequencies(TQStringList af) { m_frequencies = af; } +TQStringList &TDECPUDevice::availableGovernors() { + return m_governers; +} + +void TDECPUDevice::internalSetAvailableGovernors(TQStringList gp) { + m_governers = gp; +} + +bool TDECPUDevice::canSetGovernor() { + TQString governornode = systemPath() + "/cpufreq/scaling_governor"; + int rval = access (governornode.ascii(), W_OK); + if (rval == 0) { + return TRUE; + } + else { + return FALSE; + } +} + +void TDECPUDevice::setGovernor(TQString gv) { + TQString governornode = systemPath() + "/cpufreq/scaling_governor"; + TQFile file( governornode ); + if ( file.open( IO_WriteOnly ) ) { + TQTextStream stream( &file ); + stream << gv.lower(); + file.close(); + } +} + TDESensorDevice::TDESensorDevice(TDEGenericDeviceType::TDEGenericDeviceType dt, TQString dn) : TDEGenericDevice(dt, dn) { } @@ -1566,6 +1595,7 @@ void TDEHardwareDevices::processModifiedCPUs() { double trlatency = -1; TQStringList affectedcpulist; TQStringList frequencylist; + TQStringList governorlist; if (cpufreq_dir.exists()) { TQString nodename = cpufreq_dir.path(); nodename.append("/scaling_governor"); @@ -1623,6 +1653,14 @@ void TDEHardwareDevices::processModifiedCPUs() { 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(); + } } // Update CPU information structure @@ -1640,6 +1678,8 @@ void TDEHardwareDevices::processModifiedCPUs() { 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 (modified) { diff --git a/tdecore/tdehardwaredevices.h b/tdecore/tdehardwaredevices.h index c230474a1..a91538896 100644 --- a/tdecore/tdehardwaredevices.h +++ b/tdecore/tdehardwaredevices.h @@ -754,55 +754,76 @@ class TDECORE_EXPORT TDECPUDevice : public TDEGenericDevice */ TQStringList &availableFrequencies(); + /** + * @return a TQStringList with all available governor policies, if available + */ + TQStringList &availableGovernors(); + + /** + * @return TRUE if permissions allow the CPU governor to be set, FALSE if not + */ + bool canSetGovernor(); + + /** + * @param gv a TQString with the new CPU governor policy name + */ + void setGovernor(TQString gv); + protected: /** - * @param a double with the current CPU frequency in MHz, if available + * @param fr a double with the current CPU frequency in MHz, if available * @internal */ void internalSetFrequency(double fr); /** - * @param a double with the minimum CPU frequency in MHz, if available + * @param fr a double with the minimum CPU frequency in MHz, if available * @internal */ void internalSetMinFrequency(double fr); /** - * @param a double with the maximum CPU frequency in MHz, if available + * @param fr a double with the maximum CPU frequency in MHz, if available * @internal */ void internalSetMaxFrequency(double fr); /** - * @param a double with the transition latency in ns, if available + * @param tl a double with the transition latency in ns, if available * @internal */ void internalSetTransitionLatency(double tl); /** - * @param a TQString with the current CPU governor policy, if available + * @param gr a TQString with the current CPU governor policy, if available * @internal */ void internalSetGovernor(TQString gr); /** - * @param a TQString with the current CPU scaling driver, if available + * @param dr a TQString with the current CPU scaling driver, if available * @internal */ void internalSetScalingDriver(TQString dr); /** - * @param a TQStringList with the IDs of all processors that are dependent on the frequency/power settings of this one, if available + * @param dp a TQStringList with the IDs of all processors that are dependent on the frequency/power settings of this one, if available * @internal */ void internalSetDependentProcessors(TQStringList dp); /** - * @param a TQStringList with all valid scaling frequencies in Hz, if available + * @param af a TQStringList with all valid scaling frequencies in Hz, if available * @internal */ void internalSetAvailableFrequencies(TQStringList af); + /** + * @param gp a TQStringList with all available governor policies, if available + * @internal + */ + void internalSetAvailableGovernors(TQStringList gp); + private: double m_frequency; double m_minfrequency; @@ -812,6 +833,7 @@ class TDECORE_EXPORT TDECPUDevice : public TDEGenericDevice TQString m_scalingdriver; TQStringList m_tiedprocs; TQStringList m_frequencies; + TQStringList m_governers; friend class TDEHardwareDevices; }; |