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htop scans /proc to determine how many running tasks exist. Since that

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operation is not possible to be conducted in an atomic fashion, task
scheduling effects can lead to a count greater than the number of actual
processors; this is more easily noticed on machines with several CPUs
and under heavy workload.
This patch simply adds an upper bound on cpuCount to guarantee
consistent reports of the number of running tasks at any given time.
This commit is contained in:
Lucas C. Villa Real 2018-01-23 13:41:22 -02:00 committed by Hisham Muhammad
parent b7b66b76a5
commit ad99187680
1 changed files with 1 additions and 1 deletions
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2
TasksMeter.c
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@ -23,7 +23,7 @@ static void TasksMeter_updateValues(Meter* this, char* buffer, int len) {
this->values[0] = pl->kernelThreads;
this->values[1] = pl->userlandThreads;
this->values[2] = pl->totalTasks - pl->kernelThreads - pl->userlandThreads;
this->values[3] = pl->runningTasks;
this->values[3] = MIN(pl->runningTasks, pl->cpuCount);
if (pl->totalTasks > this->total) {
this->total = pl->totalTasks;
}