zeldon/htop
1
0
Fork 0
mirror of https://github.com/xzeldon/htop.git synced 2025-07-12 12:14:36 +03:00
Code Issues Packages Projects Releases Wiki Activity

Rework CPU counting

Browse Source 
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
Download Patch File Download Diff File Expand all files Collapse all files

10
dragonflybsd/DragonFlyBSDProcessList.c
View File

@ -95,13 +95,15 @@ ProcessList* ProcessList_new(UsersTable* usersTable, Hashtable* dynamicMeters, H
sysctl(MIB_kern_cp_times, 2, dfpl->cp_times_o, &len, NULL, 0);
}
pl->cpuCount = MAXIMUM(cpus, 1);
pl->existingCPUs = MAXIMUM(cpus, 1);
// TODO: support offline CPUs and hot swapping
pl->activeCPUs = pl->existingCPUs;
if (cpus == 1 ) {
dfpl->cpus = xRealloc(dfpl->cpus, sizeof(CPUData));
} else {
// on smp we need CPUs + 1 to store averages too (as kernel kindly provides that as well)
dfpl->cpus = xRealloc(dfpl->cpus, (pl->cpuCount + 1) * sizeof(CPUData));
dfpl->cpus = xRealloc(dfpl->cpus, (pl->existingCPUs + 1) * sizeof(CPUData));
}
len = sizeof(kernelFScale);
@ -140,8 +142,8 @@ void ProcessList_delete(ProcessList* this) {
static inline void DragonFlyBSDProcessList_scanCPUTime(ProcessList* pl) {
const DragonFlyBSDProcessList* dfpl = (DragonFlyBSDProcessList*) pl;
unsigned int cpus = pl->cpuCount; // actual CPU count
unsigned int maxcpu = cpus; // max iteration (in case we have average + smp)
unsigned int cpus = pl->existingCPUs; // actual CPU count
unsigned int maxcpu = cpus; // max iteration (in case we have average + smp)
int cp_times_offset;
assert(cpus > 0);

2
dragonflybsd/Platform.c
View File

@ -159,7 +159,7 @@ int Platform_getMaxPid() {
double Platform_setCPUValues(Meter* this, unsigned int cpu) {
const DragonFlyBSDProcessList* fpl = (const DragonFlyBSDProcessList*) this->pl;
unsigned int cpus = this->pl->cpuCount;
unsigned int cpus = this->pl->activeCPUs;
const CPUData* cpuData;
if (cpus == 1) {