htop/TasksMeter.c

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/*
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htop - TasksMeter.c
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(C) 2004-2011 Hisham H. Muhammad
Released under the GNU GPLv2, see the COPYING file
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in the source distribution for its full text.
*/
#include "TasksMeter.h"
#include "Platform.h"
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#include "CRT.h"
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static const int TasksMeter_attributes[] = {
CPU_SYSTEM,
PROCESS_THREAD,
PROCESS,
TASKS_RUNNING
};
static void TasksMeter_updateValues(Meter* this, char* buffer, int len) {
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ProcessList* pl = this->pl;
this->values[0] = pl->kernelThreads;
this->values[1] = pl->userlandThreads;
this->values[2] = pl->totalTasks - pl->kernelThreads - pl->userlandThreads;
this->values[3] = MINIMUM(pl->runningTasks, pl->cpuCount);
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if (pl->totalTasks > this->total) {
this->total = pl->totalTasks;
}
if (this->pl->settings->hideKernelThreads) {
this->values[0] = 0;
}
xSnprintf(buffer, len, "%d/%d", (int) this->values[3], (int) this->total);
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}
static void TasksMeter_display(const Object* cast, RichString* out) {
const Meter* this = (const Meter*)cast;
const Settings* settings = this->pl->settings;
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char buffer[20];
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int processes = (int) this->values[2];
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xSnprintf(buffer, sizeof(buffer), "%d", processes);
RichString_write(out, CRT_colors[METER_VALUE], buffer);
int threadValueColor = CRT_colors[METER_VALUE];
int threadCaptionColor = CRT_colors[METER_TEXT];
if (settings->highlightThreads) {
threadValueColor = CRT_colors[PROCESS_THREAD_BASENAME];
threadCaptionColor = CRT_colors[PROCESS_THREAD];
}
if (!settings->hideUserlandThreads) {
RichString_append(out, CRT_colors[METER_TEXT], ", ");
xSnprintf(buffer, sizeof(buffer), "%d", (int)this->values[1]);
RichString_append(out, threadValueColor, buffer);
RichString_append(out, threadCaptionColor, " thr");
}
if (!settings->hideKernelThreads) {
RichString_append(out, CRT_colors[METER_TEXT], ", ");
xSnprintf(buffer, sizeof(buffer), "%d", (int)this->values[0]);
RichString_append(out, threadValueColor, buffer);
RichString_append(out, threadCaptionColor, " kthr");
}
RichString_append(out, CRT_colors[METER_TEXT], "; ");
xSnprintf(buffer, sizeof(buffer), "%d", (int)this->values[3]);
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RichString_append(out, CRT_colors[TASKS_RUNNING], buffer);
RichString_append(out, CRT_colors[METER_TEXT], " running");
}
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const MeterClass TasksMeter_class = {
.super = {
.extends = Class(Meter),
.delete = Meter_delete,
.display = TasksMeter_display,
},
.updateValues = TasksMeter_updateValues,
.defaultMode = TEXT_METERMODE,
.maxItems = 4,
.total = 100.0,
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.attributes = TasksMeter_attributes,
.name = "Tasks",
.uiName = "Task counter",
.caption = "Tasks: "
};