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Rework CPU counting

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Currently htop does not support offline CPUs and hot-swapping, e.g. via
    echo 0 > /sys/devices/system/cpu/cpu2/online

Split the current single cpuCount variable into activeCPUs and
existingCPUs.

Supersedes: #650
Related: #580
This commit is contained in:
Christian Göttsche
2021-06-12 18:17:28 +02:00
committed by Benny Baumann
parent c9abd788b1
commit 41af31be7f
28 changed files with 276 additions and 148 deletions
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10
linux/Platform.c
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@ -246,10 +246,16 @@ int Platform_getMaxPid() {
double Platform_setCPUValues(Meter* this, unsigned int cpu) {
const LinuxProcessList* pl = (const LinuxProcessList*) this->pl;
const CPUData* cpuData = &(pl->cpus[cpu]);
const CPUData* cpuData = &(pl->cpuData[cpu]);
double total = (double) ( cpuData->totalPeriod == 0 ? 1 : cpuData->totalPeriod);
double percent;
double* v = this->values;
if (!cpuData->online) {
this->curItems = 0;
return NAN;
}
v[CPU_METER_NICE] = cpuData->nicePeriod / total * 100.0;
v[CPU_METER_NORMAL] = cpuData->userPeriod / total * 100.0;
if (this->pl->settings->detailedCPUTime) {
@ -1000,7 +1006,7 @@ void Platform_init(void) {
}
#ifdef HAVE_SENSORS_SENSORS_H
LibSensors_init(NULL);
LibSensors_init();
#endif
}