Differential D23382 Diff 64437 processcore/processes_linux_p.cpp

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processcore/processes_linux_p.cpp

Show First 20 Lines • Show All 108 Lines • ▼ Show 20 Line(s)108 public:
109 Private() { mProcDir = opendir( "/proc" );} 109​ Private() { mProcDir = opendir( "/proc" );}
110 ~Private(); 110​ ~Private();
111 inline bool readProcStatus(const QString &dir, Process *process); 111​ inline bool readProcStatus(const QString &dir, Process *process);
112 inline bool readProcStat(const QString &dir, Process *process); 112​ inline bool readProcStat(const QString &dir, Process *process);
113 inline bool readProcStatm(const QString &dir, Process *process); 113​ inline bool readProcStatm(const QString &dir, Process *process);
114 inline bool readProcCmdline(const QString &dir, Process *process); 114​ inline bool readProcCmdline(const QString &dir, Process *process);
115 inline bool readProcCGroup(const QString &dir, Process *process); 115​ inline bool readProcCGroup(const QString &dir, Process *process);
116 inline bool readProcAttr(const QString &dir, Process *process); 116​ inline bool readProcAttr(const QString &dir, Process *process);
117​ inline bool readProcSmaps(const QString &dir, Process *process);
117 inline bool getNiceness(long pid, Process *process); 118​ inline bool getNiceness(long pid, Process *process);
118 inline bool getIOStatistics(const QString &dir, Process *process); 119​ inline bool getIOStatistics(const QString &dir, Process *process);
119 QFile mFile; 120​ QFile mFile;
120 char mBuffer[PROCESS_BUFFER_SIZE+1]; //used as a buffer to read data into 121​ char mBuffer[PROCESS_BUFFER_SIZE+1]; //used as a buffer to read data into
121 DIR* mProcDir; 122​ DIR* mProcDir;
122 }; 123​ };
123 124​
124ProcessesLocal::Private::~Private() 125​ProcessesLocal::Private::~Private()
▲ Show 20 Lines • Show All 325 Lines • ▼ Show 20 Line(s)440 if(!process->command().isEmpty()) {
450 451​
451 process->command().replace(QLatin1Char('\0'), QLatin1Char(' ')); 452​ process->command().replace(QLatin1Char('\0'), QLatin1Char(' '));
452 } 453​ }
453 454​
454 mFile.close(); 455​ mFile.close();
455 return true; 456​ return true;
456} 457​}
457 458​
459​bool ProcessesLocal::Private::readProcSmaps(const QString &dir, Process *process)
460​{
461​ mFile.setFileName(dir + QStringLiteral("smaps_rollup"));
462​ if (!mFile.open(QIODevice::ReadOnly)) {
463​ return false;
464​ }
465​
466​ auto totalPss = -1LL;
467​ while (mFile.readLine(mBuffer, sizeof(mBuffer)) > 0) {
468​ if (qstrncmp(mBuffer, "Pss:", strlen("Pss:")) == 0) {
469​ totalPss += atoll(mBuffer + sizeof("Pss:") - 1);
470​ }
471​ }
472​
473​ mFile.close();
474​
475​ process->setVmPSS(totalPss);
476​
477​ return true;
478​}
479​
458bool ProcessesLocal::Private::getNiceness(long pid, Process *process) { 480​bool ProcessesLocal::Private::getNiceness(long pid, Process *process) {
459 int sched = sched_getscheduler(pid); 481​ int sched = sched_getscheduler(pid);
460 switch(sched) { 482​ switch(sched) {
461 case (SCHED_OTHER): 483​ case (SCHED_OTHER):
462 process->setScheduler(KSysGuard::Process::Other); 484​ process->setScheduler(KSysGuard::Process::Other);
463 break; 485​ break;
464 case (SCHED_RR): 486​ case (SCHED_RR):
465 process->setScheduler(KSysGuard::Process::RoundRobin); 487​ process->setScheduler(KSysGuard::Process::RoundRobin);
▲ Show 20 Lines • Show All 86 Lines • ▼ Show 20 Line(s)573{
552 bool success = true; 574​ bool success = true;
553 QString dir = QStringLiteral("/proc/") + QString::number(pid) + QLatin1Char('/'); 575​ QString dir = QStringLiteral("/proc/") + QString::number(pid) + QLatin1Char('/');
554 if(!d->readProcStat(dir, process)) success = false; 576​ if(!d->readProcStat(dir, process)) success = false;
555 if(!d->readProcStatus(dir, process)) success = false; 577​ if(!d->readProcStatus(dir, process)) success = false;
556 if(!d->readProcStatm(dir, process)) success = false; 578​ if(!d->readProcStatm(dir, process)) success = false;
557 if(!d->readProcCmdline(dir, process)) success = false; 579​ if(!d->readProcCmdline(dir, process)) success = false;
558 if(!d->readProcCGroup(dir, process)) success = false; 580​ if(!d->readProcCGroup(dir, process)) success = false;
559 if(!d->readProcAttr(dir, process)) success = false; 581​ if(!d->readProcAttr(dir, process)) success = false;
582​ if(!d->readProcSmaps(dir, process)) success = false;
560 if(!d->getNiceness(pid, process)) success = false; 583​ if(!d->getNiceness(pid, process)) success = false;
561 if(mUpdateFlags.testFlag(Processes::IOStatistics) && !d->getIOStatistics(dir, process)) success = false; 584​ if(mUpdateFlags.testFlag(Processes::IOStatistics) && !d->getIOStatistics(dir, process)) success = false;
562 585​
563 return success; 586​ return success;
564} 587​}
565 588​
566QSet<long> ProcessesLocal::getAllPids( ) 589​QSet<long> ProcessesLocal::getAllPids( )
567{ 590​{
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