Enable non-percent graph for Tasks meter

Before this commit, the Graph of Tasks meter always shows 100%, which
conveys no useful information.

Signed-off-by: Kang-Che Sung <[email protected]>

TasksMeter.c

@@ -29,9 +29,8 @@ static void TasksMeter_updateValues(Meter* this) {
    this->values[1] = pl->userlandThreads;
    this->values[2] = pl->totalTasks - pl->kernelThreads - pl->userlandThreads;
    this->values[3] = MINIMUM(pl->runningTasks, pl->cpuCount);
-   this->total     = pl->totalTasks;
 
-   xSnprintf(this->txtBuffer, sizeof(this->txtBuffer), "%d/%d", (int) this->values[3], (int) this->total);
+   xSnprintf(this->txtBuffer, sizeof(this->txtBuffer), "%d/%d", (int) this->values[3], pl->totalTasks);
 }
 
 static void TasksMeter_display(const Object* cast, RichString* out) {
@@ -68,7 +67,7 @@ const MeterClass TasksMeter_class = {
    .updateValues = TasksMeter_updateValues,
    .defaultMode = TEXT_METERMODE,
    .maxItems = 4,
-   .total = 100.0,
+   .total = -1.0,
    .attributes = TasksMeter_attributes,
    .name = "Tasks",
    .uiName = "Task counter",