void Monitor::procProcesses() {
PIDList deletes;
PIDList adds;
unsigned long long totalTicks = 0;
if ( fCPUTotalTicks.size() > 0 ) {
totalTicks = fCPUTotalTicks[0];
}
ProcessStatHandler statHandler(fProcMap, totalTicks);
ProcessStatMHandler statMHandler(fProcMap, fTotalMemory);
ProcessCmdLineHandler cmdLineHandler(fProcMap, fAppNameMap);
QStringList procList = fProcReader.getProcList();
QStringListIterator slIterator(procList);
pid_t pid;
int iteration = 0;
while ( (pid = getNextPID(slIterator, iteration)) != 0 ) {
iteration++;
const QString pidStr = QString::number(pid);
QString pathStatM("/proc/" + pidStr + "/statm");
QString pathCmdLine("/proc/" + pidStr + "/cmdline");
QString pathStat("/proc/" + pidStr + "/stat");
if ( !fProcMap.contains(pid) ) {
fProcMap[pid];
adds.append(pid);
}
const QString oldName = fProcMap.value(pid).getStatName();
if ( fProcReader.readProcFile(pathStat, statHandler, 1, pid) != 0 ) {
qCritical() << "Error reading process stat file " << pid << "\n";
continue;
}
if ( !oldName.isEmpty() && oldName != fProcMap.value(pid).getStatName() ) {
fProcMap.remove(pid);
fProcMap[pid];
deletes.append(pid);
adds.append(pid);
if ( fProcReader.readProcFile(pathStat, statHandler, 1, pid) != 0 ) {
qCritical() << "Error reading process stat file " << pid << "\n";
continue;
}
}
if ( fProcReader.readProcFile(pathStatM, statMHandler, 1, pid) != 0 ) {
qCritical() << "Error reading process mstat file " << pid << "\n";
continue;
}
if ( fProcMap.value(pid).getNameState() == 0 ) {
if ( fProcReader.readProcFile(pathCmdLine, cmdLineHandler, 1, pid) != 0 ) {
qCritical() << "Error reading process cmdline file " << pid << "\n";
continue;
}
}
}
QMapIterator<pid_t, ProcInfo> iterator(fProcMap);
while ( iterator.hasNext() ) {
iterator.next();
const pid_t pid = iterator.key();
const QString pidStr = QString::number(pid);
QString pathStat("/proc/" + pidStr + "/stat");
if ( !QFile::exists(pathStat) ) {
fProcMap.remove(pid);
deletes.append(pid);
}
}
emit processChanged(&fProcMap, adds, deletes);
}
static void GenStat(Stat& stat, const tao::json::value& v){
StatHandler statHandler(stat);
tao::json::sax::from_value(v, statHandler);
}
