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/*
SPDX-FileCopyrightText: 2019 David Edmundson <davidedmundson@kde.org>
SPDX-License-Identifier: LGPL-2.0-or-later
*/
#include "extended_process_list.h"
#include <KLocalizedString>
#include <KPluginFactory>
#include <KPluginMetaData>
#include <KUser>
#include "process.h"
#include "process_attribute.h"
#include "process_data_provider.h"
#include "processcore_debug.h"
using namespace KSysGuard;
class Q_DECL_HIDDEN ExtendedProcesses::Private
{
public:
Private(ExtendedProcesses *q);
void loadPlugins();
ExtendedProcesses *q;
QList<ProcessAttribute *> m_coreAttributes;
QList<ProcessDataProvider *> m_providers;
QHash<K_UID, KUser> m_userCache;
};
enum GroupPolicy { Accumulate, Average, ForwardFirstEntry };
template<class T>
class ProcessSensor : public KSysGuard::ProcessAttribute
{
public:
ProcessSensor(ExtendedProcesses *parent,
const QString &id,
const QString &name,
std::function<T(KSysGuard::Process *)> extractFunc,
KSysGuard::Process::Change changeFlag = KSysGuard::Process::Nothing,
GroupPolicy groupPolicy = Accumulate)
: KSysGuard::ProcessAttribute(id, name, parent)
, m_extractFunc(extractFunc)
, m_changeFlag(changeFlag)
, m_groupPolicy(groupPolicy)
{
if (m_changeFlag != 0) {
connect(parent, &ExtendedProcesses::processChanged, this, [this](KSysGuard::Process *process) {
if (!process->changes().testFlag(m_changeFlag)) {
return;
}
Q_EMIT dataChanged(process);
});
}
}
QVariant data(KSysGuard::Process *process) const override
{
return QVariant::fromValue(m_extractFunc(process));
}
QVariant cgroupData(KSysGuard::CGroup *cgroup, const QList<KSysGuard::Process *> &groupProcesses) const override
{
switch (m_groupPolicy) {
case Accumulate:
return ProcessAttribute::cgroupData(cgroup, groupProcesses);
case Average:
return ProcessAttribute::cgroupData(cgroup, groupProcesses).toDouble() / groupProcesses.size();
case ForwardFirstEntry:
return groupProcesses.isEmpty() ? QVariant() : data(groupProcesses.first());
}
Q_UNREACHABLE();
}
private:
std::function<T(KSysGuard::Process *)> m_extractFunc;
KSysGuard::Process::Change m_changeFlag;
GroupPolicy m_groupPolicy = Accumulate;
};
ExtendedProcesses::Private::Private(ExtendedProcesses *_q)
: q(_q)
{
}
ExtendedProcesses::ExtendedProcesses(QObject *parent)
: Processes(parent)
, d(new Private(this))
{
d->loadPlugins();
auto pidSensor =
new ProcessSensor<qlonglong>(this, QStringLiteral("pid"), i18n("PID"), &KSysGuard::Process::pid, KSysGuard::Process::Status, ForwardFirstEntry);
pidSensor->setDescription(i18n("The unique Process ID that identifies this process."));
d->m_coreAttributes << pidSensor;
auto parentPidSensor = new ProcessSensor<qlonglong>(this,
QStringLiteral("parentPid"),
i18n("Parent PID"),
&KSysGuard::Process::parentPid,
Process::Nothing,
ForwardFirstEntry);
d->m_coreAttributes << parentPidSensor;
auto loginSensor =
new ProcessSensor<QString>(this, QStringLiteral("login"), i18n("Login"), &KSysGuard::Process::login, KSysGuard::Process::Login, ForwardFirstEntry);
loginSensor->setDescription(i18n("The user who owns this process."));
d->m_coreAttributes << loginSensor;
auto uidSensor =
new ProcessSensor<qlonglong>(this, QStringLiteral("uid"), i18n("UID"), &KSysGuard::Process::uid, KSysGuard::Process::Uids, ForwardFirstEntry);
d->m_coreAttributes << uidSensor;
auto userNameSensor = new ProcessSensor<QString>(
this,
QStringLiteral("username"),
i18n("Username"),
[this](KSysGuard::Process *p) {
const K_UID uid = p->uid();
auto userIt = d->m_userCache.find(uid);
if (userIt == d->m_userCache.end()) {
userIt = d->m_userCache.insert(uid, KUser(uid));
}
return userIt->loginName();
},
KSysGuard::Process::Uids,
ForwardFirstEntry);
d->m_coreAttributes << userNameSensor;
auto canUserLoginSensor = new ProcessSensor<bool>(
this,
QStringLiteral("canUserLogin"),
i18n("Can Login"),
[this](KSysGuard::Process *p) {
const K_UID uid = p->uid();
if (uid == 65534) { // special value meaning nobody
return false;
}
auto userIt = d->m_userCache.find(uid);
if (userIt == d->m_userCache.end()) {
userIt = d->m_userCache.insert(uid, KUser(uid));
}
if (!userIt->isValid()) {
// For some reason the user isn't recognised. This might happen under certain security situations.
// Just return true to be safe
return true;
}
const QString shell = userIt->shell();
if (shell == QLatin1String("/bin/false")) { // FIXME - add in any other shells it could be for false
return false;
}
return true;
},
KSysGuard::Process::Uids,
ForwardFirstEntry);
d->m_coreAttributes << canUserLoginSensor;
auto euidSensor =
new ProcessSensor<qlonglong>(this, QStringLiteral("euid"), i18n("EUID"), &KSysGuard::Process::euid, KSysGuard::Process::Uids, ForwardFirstEntry);
d->m_coreAttributes << euidSensor;
auto suidSensor =
new ProcessSensor<qlonglong>(this, QStringLiteral("suid"), i18n("suid"), &KSysGuard::Process::suid, KSysGuard::Process::Uids, ForwardFirstEntry);
d->m_coreAttributes << suidSensor;
auto fsuidSensor =
new ProcessSensor<qlonglong>(this, QStringLiteral("fsuid"), i18n("fsuid"), &KSysGuard::Process::fsuid, KSysGuard::Process::Uids, ForwardFirstEntry);
d->m_coreAttributes << fsuidSensor;
auto gidSensor =
new ProcessSensor<qlonglong>(this, QStringLiteral("gid"), i18n("gid"), &KSysGuard::Process::gid, KSysGuard::Process::Gids, ForwardFirstEntry);
d->m_coreAttributes << gidSensor;
auto egidSensor =
new ProcessSensor<qlonglong>(this, QStringLiteral("egid"), i18n("egid"), &KSysGuard::Process::egid, KSysGuard::Process::Gids, ForwardFirstEntry);
d->m_coreAttributes << egidSensor;
auto sgidSensor =
new ProcessSensor<qlonglong>(this, QStringLiteral("sgid"), i18n("sgid"), &KSysGuard::Process::sgid, KSysGuard::Process::Gids, ForwardFirstEntry);
d->m_coreAttributes << sgidSensor;
auto fsgidSensor =
new ProcessSensor<qlonglong>(this, QStringLiteral("fsgid"), i18n("fsgid"), &KSysGuard::Process::fsgid, KSysGuard::Process::Gids, ForwardFirstEntry);
d->m_coreAttributes << fsgidSensor;
auto tracerpidSensor = new ProcessSensor<qlonglong>(this,
QStringLiteral("tracerpid"),
i18n("Tracer Pid"),
&KSysGuard::Process::tracerpid,
Process::Nothing,
ForwardFirstEntry);
d->m_coreAttributes << tracerpidSensor;
auto ttySensor =
new ProcessSensor<QByteArray>(this, QStringLiteral("tty"), i18n("tty"), &KSysGuard::Process::tty, KSysGuard::Process::Tty, ForwardFirstEntry);
ttySensor->setDescription(i18n("The controlling terminal on which this process is running."));
d->m_coreAttributes << ttySensor;
auto userTimeSensor = new ProcessSensor<qlonglong>(this, QStringLiteral("userTime"), i18n("User Time"), &KSysGuard::Process::userTime);
userTimeSensor->setUnit(KSysGuard::UnitTicks);
d->m_coreAttributes << userTimeSensor;
auto sysTimeSensor = new ProcessSensor<qlonglong>(this, QStringLiteral("sysTime"), i18n("System Time"), &KSysGuard::Process::sysTime);
sysTimeSensor->setUnit(KSysGuard::UnitTicks);
d->m_coreAttributes << sysTimeSensor;
auto timeSensor = new ProcessSensor<qlonglong>(this, QStringLiteral("totalTime"), i18n("Total Time"), [](KSysGuard::Process *p) {
return p->userTime() + p->sysTime();
});
timeSensor->setShortName(i18n("Time"));
timeSensor->setUnit(KSysGuard::UnitTicks);
timeSensor->setDescription(i18n("The total user and system time that this process has been running for"));
d->m_coreAttributes << timeSensor;
auto startTimeSensor = new ProcessSensor<qlonglong>(this,
QStringLiteral("startTime"),
i18n("Start Time"),
&KSysGuard::Process::startTime,
Process::Nothing,
ForwardFirstEntry); // Is this correct for apps?
startTimeSensor->setUnit(KSysGuard::UnitBootTimestamp);
d->m_coreAttributes << startTimeSensor;
const int maximumCpuPercent = 100 * numberProcessorCores();
auto userUsageSensor =
new ProcessSensor<int>(this, QStringLiteral("userUsage"), i18n("User CPU Usage"), &KSysGuard::Process::userUsage, KSysGuard::Process::Usage);
userUsageSensor->setShortName(i18n("User CPU"));
userUsageSensor->setMin(0);
userUsageSensor->setMax(maximumCpuPercent);
userUsageSensor->setUnit(KSysGuard::UnitPercent);
d->m_coreAttributes << userUsageSensor;
auto sysUsageSensor =
new ProcessSensor<int>(this, QStringLiteral("sysUsage"), i18n("System CPU Usage"), &KSysGuard::Process::sysUsage, KSysGuard::Process::Usage);
sysUsageSensor->setShortName(i18n("System CPU"));
sysUsageSensor->setMin(0);
sysUsageSensor->setMax(maximumCpuPercent);
sysUsageSensor->setUnit(KSysGuard::UnitPercent);
d->m_coreAttributes << sysUsageSensor;
auto usageSensor = new ProcessSensor<int>(
this,
QStringLiteral("usage"),
i18n("Total CPU Usage"),
[](KSysGuard::Process *p) {
return p->userUsage() + p->sysUsage();
},
KSysGuard::Process::Usage,
Accumulate);
usageSensor->setShortName(i18n("CPU"));
usageSensor->setMin(0);
usageSensor->setMax(maximumCpuPercent);
usageSensor->setUnit(KSysGuard::UnitPercent);
usageSensor->setDescription(i18n("The current total CPU usage of the process."));
d->m_coreAttributes << usageSensor;
auto totalUserUsageSensor = new ProcessSensor<int>(this,
QStringLiteral("totalUserUsage"),
i18n("Group User CPU Usage"),
&KSysGuard::Process::totalUserUsage,
KSysGuard::Process::TotalUsage,
Average);
totalUserUsageSensor->setDescription(i18n("The amount of userspace CPU used by this process and all its children."));
totalUserUsageSensor->setMin(0);
totalUserUsageSensor->setMax(maximumCpuPercent);
totalUserUsageSensor->setUnit(KSysGuard::UnitPercent);
d->m_coreAttributes << totalUserUsageSensor;
auto totalSysUsageSensor = new ProcessSensor<int>(this,
QStringLiteral("totalSysUsage"),
i18n("Group System CPU Usage"),
&KSysGuard::Process::totalSysUsage,
KSysGuard::Process::TotalUsage,
Average);
totalUserUsageSensor->setDescription(i18n("The amount of system CPU used by this process and all its children."));
totalSysUsageSensor->setMin(0);
totalSysUsageSensor->setMax(maximumCpuPercent);
totalSysUsageSensor->setUnit(KSysGuard::UnitPercent);
d->m_coreAttributes << totalSysUsageSensor;
auto totalUsageSensor = new ProcessSensor<int>(
this,
QStringLiteral("totalUsage"),
i18n("Group Total CPU Usage"),
[](KSysGuard::Process *p) {
return p->totalUserUsage() + p->totalSysUsage();
},
KSysGuard::Process::TotalUsage,
Average);
totalUsageSensor->setShortName(i18n("Group CPU"));
totalUserUsageSensor->setDescription(i18n("The total amount of CPU used by this process and all its children."));
totalUsageSensor->setMin(0);
totalUsageSensor->setMax(maximumCpuPercent);
totalUsageSensor->setUnit(KSysGuard::UnitPercent);
d->m_coreAttributes << totalUsageSensor;
auto niceLevelSensor =
new ProcessSensor<int>(this, QStringLiteral("niceLevel"), i18n("Nice Level"), &KSysGuard::Process::niceLevel, KSysGuard::Process::NiceLevels);
niceLevelSensor->setDescription(i18n(
"The priority with which this process is being run. For the normal scheduler, this ranges from 19 (very nice, least priority) to -19 (top priority)."));
d->m_coreAttributes << niceLevelSensor;
auto schedulerSensor =
new ProcessSensor<uint>(this, QStringLiteral("scheduler"), i18n("Scheduler"), &KSysGuard::Process::scheduler, KSysGuard::Process::NiceLevels);
d->m_coreAttributes << schedulerSensor;
auto ioPriorityClassSensor = new ProcessSensor<uint>(this,
QStringLiteral("ioPriorityClass"),
i18n("IO Priority Class"),
&KSysGuard::Process::ioPriorityClass,
KSysGuard::Process::NiceLevels);
d->m_coreAttributes << ioPriorityClassSensor;
auto ioniceLevelSensor =
new ProcessSensor<int>(this, QStringLiteral("ioniceLevel"), i18n("IO Nice Level"), &KSysGuard::Process::ioniceLevel, KSysGuard::Process::NiceLevels);
ioniceLevelSensor->setUnit(KSysGuard::UnitNone);
d->m_coreAttributes << ioniceLevelSensor;
auto vmSizeSensor = new ProcessSensor<qlonglong>(this, QStringLiteral("vmSize"), i18n("VM Size"), &KSysGuard::Process::vmSize, KSysGuard::Process::Memory);
vmSizeSensor->setUnit(KSysGuard::UnitKiloByte);
vmSizeSensor->setMin(0);
vmSizeSensor->setMax(totalPhysicalMemory());
vmSizeSensor->setDescription(
i18n("This is the amount of virtual memory space that the process is using, included shared libraries, graphics memory, files on disk, and so on. This "
"number is almost meaningless."));
d->m_coreAttributes << vmSizeSensor;
auto vmRSSSensor =
new ProcessSensor<qlonglong>(this, QStringLiteral("vmRSS"), i18n("Resident Memory Usage"), &KSysGuard::Process::vmRSS, KSysGuard::Process::Memory);
vmRSSSensor->setUnit(KSysGuard::UnitKiloByte);
vmRSSSensor->setShortName(i18n("Resident"));
vmRSSSensor->setMin(0);
vmRSSSensor->setMax(totalPhysicalMemory());
vmRSSSensor->setDescription(
i18n("This is the amount of physical memory that this process is using and includes the amount of memory used by shared libraries."));
d->m_coreAttributes << vmRSSSensor;
auto vmURSSSensor =
new ProcessSensor<qlonglong>(this, QStringLiteral("vmURSS"), i18n("Private Memory Usage"), &KSysGuard::Process::vmURSS, KSysGuard::Process::Memory);
vmURSSSensor->setUnit(KSysGuard::UnitKiloByte);
vmURSSSensor->setShortName(i18n("Private"));
vmURSSSensor->setMin(0);
vmURSSSensor->setMax(totalPhysicalMemory());
vmURSSSensor->setDescription(
i18n("This is the amount of physical memory that this process is using by itself, and approximates the Private memory usage of the process. It does "
"not include any swapped out memory, nor the code size of its shared libraries."));
d->m_coreAttributes << vmURSSSensor;
auto sharedMemorySensor = new ProcessSensor<qlonglong>(
this,
QStringLiteral("vmShared"),
i18n("Shared Memory Usage"),
[](KSysGuard::Process *p) -> qlonglong {
if (p->vmRSS() - p->vmURSS() < 0 || p->vmURSS() == -1) {
return 0;
}
return (qlonglong)(p->vmRSS() - p->vmURSS());
},
KSysGuard::Process::Memory);
d->m_coreAttributes << sharedMemorySensor;
sharedMemorySensor->setShortName(i18n("Shared"));
sharedMemorySensor->setDescription(
i18n("This is approximately the amount of real physical memory that this process's shared libraries are using. This memory is shared among all "
"processes that use this library."));
sharedMemorySensor->setUnit(KSysGuard::UnitKiloByte);
sharedMemorySensor->setMin(0);
sharedMemorySensor->setMax(totalPhysicalMemory());
auto vmPSSSensor = new ProcessSensor<qlonglong>(this,
QStringLiteral("vmPSS"),
i18nc("@title:column", "Proportional Memory Usage"),
&KSysGuard::Process::vmPSS,
KSysGuard::Process::Memory);
vmPSSSensor->setShortName(i18nc("@title:column", "Proportional"));
vmPSSSensor->setUnit(KSysGuard::UnitKiloByte);
vmPSSSensor->setMin(0);
vmPSSSensor->setMax(totalPhysicalMemory());
vmPSSSensor->setRequiredUpdateFlags(Processes::Smaps);
vmPSSSensor->setDescription(
i18nc("@info:tooltip",
"This is an approximation of the real amount of physical memory that this process is using. It is calculated by dividing this process' shared "
"memory usage by the number of processes sharing that memory, then adding this process' private memory. This value may not be available for "
"certain processes."));
d->m_coreAttributes << vmPSSSensor;
auto memorySensor = new ProcessSensor<qlonglong>(this,
QStringLiteral("memory"),
i18nc("@title:column", "Memory Usage"),
&KSysGuard::Process::memory,
KSysGuard::Process::Memory);
memorySensor->setShortName(i18nc("@title:column", "Memory"));
memorySensor->setUnit(KSysGuard::UnitKiloByte);
memorySensor->setMin(0);
memorySensor->setMax(totalPhysicalMemory());
memorySensor->setRequiredUpdateFlags(Processes::Smaps);
memorySensor->setDescription(
i18nc("@info:tooltip",
"This is an approximation of the real amount of physical memory that this process is using. It will use the Proportional Memory Usage if "
"available, the Private Memory Usage if that has a value, and the Resident Memory Usage otherwise."));
d->m_coreAttributes << memorySensor;
auto swapSensor =
new ProcessSensor<qlonglong>(this, QStringLiteral("swap"), i18nc("@title:column", "Swap Usage"), &KSysGuard::Process::swap, KSysGuard::Process::Memory);
swapSensor->setShortName(i18nc("@title:column", "Swap"));
swapSensor->setUnit(KSysGuard::UnitKiloByte);
swapSensor->setMin(0);
swapSensor->setMax(totalSwapMemory());
swapSensor->setDescription(i18nc("@info:tooltip", "This is an approximation of the amount of swap memory this process is using."));
d->m_coreAttributes << swapSensor;
auto nameSensor =
new ProcessSensor<QString>(this, QStringLiteral("name"), i18n("Name"), &KSysGuard::Process::name, KSysGuard::Process::Name, ForwardFirstEntry);
nameSensor->setDescription(i18n("The process name."));
d->m_coreAttributes << nameSensor;
auto commandSensor = new ProcessSensor<QString>(this,
QStringLiteral("command"),
i18n("Command"),
&KSysGuard::Process::command,
KSysGuard::Process::Command,
ForwardFirstEntry);
commandSensor->setDescription(i18n("The command with which this process was launched."));
d->m_coreAttributes << commandSensor;
auto statusSensor =
new ProcessSensor<QString>(this, QStringLiteral("status"), i18n("Status"), &KSysGuard::Process::translatedStatus, KSysGuard::Process::Status);
d->m_coreAttributes << statusSensor;
auto ioCharactersReadSensor = new ProcessSensor<qlonglong>(this,
QStringLiteral("ioCharactersRead"),
i18n("IO Characters Read"),
&KSysGuard::Process::ioCharactersRead,
KSysGuard::Process::IO);
ioCharactersReadSensor->setUnit(KSysGuard::UnitByte);
ioCharactersReadSensor->setRequiredUpdateFlags(Processes::IOStatistics);
d->m_coreAttributes << ioCharactersReadSensor;
auto ioCharactersWrittenSensor = new ProcessSensor<qlonglong>(this,
QStringLiteral("ioCharactersWritten"),
i18n("IO Characters Written"),
&KSysGuard::Process::ioCharactersWritten,
KSysGuard::Process::IO);
ioCharactersWrittenSensor->setUnit(KSysGuard::UnitByte);
ioCharactersWrittenSensor->setRequiredUpdateFlags(Processes::IOStatistics);
d->m_coreAttributes << ioCharactersWrittenSensor;
auto ioReadSyscallsSensor = new ProcessSensor<qlonglong>(this,
QStringLiteral("ioReadSyscalls"),
i18n("IO Read Syscalls"),
&KSysGuard::Process::ioReadSyscalls,
KSysGuard::Process::IO);
ioReadSyscallsSensor->setUnit(KSysGuard::UnitRate);
ioReadSyscallsSensor->setRequiredUpdateFlags(Processes::IOStatistics);
d->m_coreAttributes << ioReadSyscallsSensor;
auto ioReadSyscallsRateSensor = new ProcessSensor<qlonglong>(this,
QStringLiteral("ioReadSyscallsRate"),
i18n("IO Read Syscalls Rate"),
&KSysGuard::Process::ioReadSyscallsRate,
KSysGuard::Process::IO);
ioReadSyscallsRateSensor->setUnit(KSysGuard::UnitRate);
ioReadSyscallsRateSensor->setRequiredUpdateFlags(Processes::IOStatistics);
d->m_coreAttributes << ioReadSyscallsSensor;
auto ioWriteSyscallsSensor = new ProcessSensor<qlonglong>(this,
QStringLiteral("ioWriteSyscalls"),
i18n("IO Write Syscalls"),
&KSysGuard::Process::ioWriteSyscalls,
KSysGuard::Process::IO);
ioWriteSyscallsSensor->setUnit(KSysGuard::UnitRate);
ioWriteSyscallsSensor->setRequiredUpdateFlags(Processes::IOStatistics);
d->m_coreAttributes << ioWriteSyscallsSensor;
auto ioWriteSyscallsRateSensor = new ProcessSensor<qlonglong>(this,
QStringLiteral("ioReadSyscallsRate"),
i18n("IO Write Syscalls Rate"),
&KSysGuard::Process::ioWriteSyscallsRate,
KSysGuard::Process::IO);
ioWriteSyscallsRateSensor->setUnit(KSysGuard::UnitRate);
ioWriteSyscallsRateSensor->setRequiredUpdateFlags(Processes::IOStatistics);
d->m_coreAttributes << ioWriteSyscallsRateSensor;
auto ioCharactersActuallyReadSensor = new ProcessSensor<qlonglong>(this,
QStringLiteral("ioCharactersActuallyRead"),
i18n("IO Characters Actually Read"),
&KSysGuard::Process::ioCharactersActuallyRead,
KSysGuard::Process::IO);
ioCharactersActuallyReadSensor->setUnit(KSysGuard::UnitByte);
ioCharactersActuallyReadSensor->setRequiredUpdateFlags(Processes::IOStatistics);
d->m_coreAttributes << ioCharactersActuallyReadSensor;
auto ioCharactersReadRateSensor = new ProcessSensor<qlonglong>(this,
QStringLiteral("ioCharactersReadRate"),
i18n("IO Characters Read Rate"),
&KSysGuard::Process::ioCharactersReadRate,
KSysGuard::Process::IO);
ioCharactersReadRateSensor->setDescription(i18n("The read rate for all of a process' IO, including disk cache and other nonphysical IO."));
ioCharactersReadRateSensor->setUnit(KSysGuard::UnitByteRate);
ioCharactersReadRateSensor->setRequiredUpdateFlags(Processes::IOStatistics);
d->m_coreAttributes << ioCharactersReadRateSensor;
auto ioCharactersWrittenRateSensor = new ProcessSensor<qlonglong>(this,
QStringLiteral("ioCharactersWrittenRate"),
i18n("IO Characters Written Rate"),
&KSysGuard::Process::ioCharactersWrittenRate,
KSysGuard::Process::IO);
ioCharactersWrittenRateSensor->setDescription(i18n("The write rate for all of a process' IO, including disk cache and other nonphysical IO."));
ioCharactersWrittenRateSensor->setUnit(KSysGuard::UnitByteRate);
ioCharactersWrittenRateSensor->setRequiredUpdateFlags(Processes::IOStatistics);
d->m_coreAttributes << ioCharactersWrittenRateSensor;
auto ioCharactersActuallyReadRateSensor = new ProcessSensor<qlonglong>(this,
QStringLiteral("ioCharactersActuallyReadRate"),
i18n("Disk Read Rate"),
&KSysGuard::Process::ioCharactersActuallyReadRate,
KSysGuard::Process::IO);
ioCharactersActuallyReadRateSensor->setUnit(KSysGuard::UnitByteRate);
ioCharactersActuallyReadRateSensor->setShortName(i18n("Read"));
ioCharactersActuallyReadRateSensor->setDescription(i18n("The rate of data being read from disk."));
ioCharactersActuallyReadRateSensor->setRequiredUpdateFlags(Processes::IOStatistics);
d->m_coreAttributes << ioCharactersActuallyReadRateSensor;
auto ioCharactersActuallyWrittenRateSensor = new ProcessSensor<qlonglong>(this,
QStringLiteral("ioCharactersActuallyWrittenRate"),
i18n("Disk Write Rate"),
&KSysGuard::Process::ioCharactersActuallyWrittenRate,
KSysGuard::Process::IO);
ioCharactersActuallyWrittenRateSensor->setUnit(KSysGuard::UnitByteRate);
ioCharactersActuallyWrittenRateSensor->setShortName(i18n("Write"));
ioCharactersActuallyWrittenRateSensor->setDescription(i18n("The rate of data being written to the disk."));
ioCharactersActuallyWrittenRateSensor->setRequiredUpdateFlags(Processes::IOStatistics);
d->m_coreAttributes << ioCharactersActuallyWrittenRateSensor;
auto numThreadsSensor = new ProcessSensor<int>(this,
QStringLiteral("numThreads"),
i18n("Threads"),
&KSysGuard::Process::numThreads,
KSysGuard::Process::NumThreads,
ForwardFirstEntry);
d->m_coreAttributes << numThreadsSensor;
connect(this, &KSysGuard::Processes::beginRemoveProcess, this, [this](KSysGuard::Process *process) {
const auto attrs = attributes();
for (auto a : attrs) {
a->clearData(process);
}
});
connect(this, &KSysGuard::Processes::updated, this, [this]() {
for (auto p : std::as_const(d->m_providers)) {
if (p->enabled()) {
p->update();
}
}
});
}
ExtendedProcesses::~ExtendedProcesses()
{
qDeleteAll(d->m_providers);
}
QList<ProcessAttribute *> ExtendedProcesses::attributes() const
{
return d->m_coreAttributes + extendedAttributes();
}
QList<ProcessAttribute *> ExtendedProcesses::extendedAttributes() const
{
QList<ProcessAttribute *> rc;
for (auto p : std::as_const(d->m_providers)) {
rc << p->attributes();
}
return rc;
}
void ExtendedProcesses::Private::loadPlugins()
{
const QList<KPluginMetaData> listMetaData = KPluginMetaData::findPlugins(QStringLiteral("ksysguard/process"));
// instantiate all plugins
for (const auto &pluginMetaData : listMetaData) {
qCDebug(LIBKSYSGUARD_PROCESSCORE) << "loading plugin" << pluginMetaData.name();
auto provider = KPluginFactory::instantiatePlugin<ProcessDataProvider>(pluginMetaData, q);
if (!provider.plugin) {
qCCritical(LIBKSYSGUARD_PROCESSCORE) << "failed to instantiate ProcessDataProvider" << pluginMetaData.name();
continue;
}
m_providers << provider.plugin;
}
}
QSharedPointer<ExtendedProcesses> ExtendedProcesses::instance()
{
static QWeakPointer<ExtendedProcesses> instance;
auto processes = instance.lock();
if (!processes) {
processes = QSharedPointer<ExtendedProcesses>(new ExtendedProcesses, [](ExtendedProcesses *p) {
delete p;
});
instance = processes;
}
return processes;
}
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