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kutils: map some CPU governors for the KPowerManager PowerSave profile

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Signed-off-by: Ivailo Monev <xakepa10@gmail.com>
This commit is contained in:
Ivailo Monev 2022-12-18 16:19:25 +00:00
parent 513407bf8d
commit b778766af2
1 changed files with 24 additions and 3 deletions
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27
kutils/kpowermanager/kpowermanager.cpp
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@ -26,6 +26,28 @@
#include <QFile>
#include <QFileSystemWatcher>
static QString governorForProfile(const QString &profile, const QStringList &governors)
{
const QString lowerprofile = profile.toLower();
if (governors.contains(lowerprofile)) {
// exact match
return lowerprofile;
}
if (lowerprofile == QLatin1String("powersave")) {
if (governors.contains(QString::fromLatin1("conservative"))) {
return QString::fromLatin1("conservative");
}
if (governors.contains(QString::fromLatin1("ondemand"))) {
return QString::fromLatin1("ondemand");
}
if (governors.contains(QString::fromLatin1("schedutil"))) {
return QString::fromLatin1("schedutil");
}
}
// will trigger error
return lowerprofile;
}
class KPowerManagerPrivate
{
public:
@ -80,8 +102,7 @@ bool KPowerManager::setProfile(const QString &profile)
KConfig kconfig("kpowermanagerrc", KConfig::SimpleConfig);
KConfigGroup kconfigprofile = kconfig.group(profile);
// this assumes the CPU governors are not disabled
const QString cpugovernor = kconfigprofile.readEntry("CPUGovernor", profile.toLower());
const QString cpugovernor = kconfigprofile.readEntry("CPUGovernor", governorForProfile(profile, CPUGovernors()));
kDebug() << "Power manager CPU governor" << cpugovernor;
return setCPUGovernor(cpugovernor);
}
@ -143,7 +164,7 @@ bool KPowerManager::isSupported()
KConfig kconfig("kpowermanagerrc", KConfig::SimpleConfig);
foreach (const QString &profile, kpowermanager.profiles()) {
KConfigGroup kconfigprofile = kconfig.group(profile);
const QString cpugovernor = kconfigprofile.readEntry("CPUGovernor", profile.toLower());
const QString cpugovernor = kconfigprofile.readEntry("CPUGovernor", governorForProfile(profile, cpugovernors));
if (!cpugovernors.contains(cpugovernor)) {
result = false;
break;