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 "CRT.h"
#include "Macros.h"
#include "Object.h"
#include "ProcessList.h"
#include "RichString.h"
#include "Settings.h"
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#include "XUtils.h"
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static const int TasksMeter_attributes[] = {
CPU_SYSTEM,
PROCESS_THREAD,
PROCESS,
TASKS_RUNNING
};
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static void TasksMeter_updateValues(Meter* this) {
const ProcessList* pl = this->pl;
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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);
this->total = pl->totalTasks;
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xSnprintf(this->txtBuffer, sizeof(this->txtBuffer), "%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];
int len;
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len = xSnprintf(buffer, sizeof(buffer), "%d", (int)this->values[2]);
RichString_appendnAscii(out, CRT_colors[METER_VALUE], buffer, len);
RichString_appendAscii(out, settings->hideUserlandThreads ? CRT_colors[METER_SHADOW] : CRT_colors[METER_TEXT], ", ");
len = xSnprintf(buffer, sizeof(buffer), "%d", (int)this->values[1]);
RichString_appendnAscii(out, settings->hideUserlandThreads ? CRT_colors[METER_SHADOW] : CRT_colors[TASKS_RUNNING], buffer, len);
RichString_appendAscii(out, settings->hideUserlandThreads ? CRT_colors[METER_SHADOW] : CRT_colors[METER_TEXT], " thr");
RichString_appendAscii(out, settings->hideKernelThreads ? CRT_colors[METER_SHADOW] : CRT_colors[METER_TEXT], ", ");
len = xSnprintf(buffer, sizeof(buffer), "%d", (int)this->values[0]);
RichString_appendnAscii(out, settings->hideKernelThreads ? CRT_colors[METER_SHADOW] : CRT_colors[TASKS_RUNNING], buffer, len);
RichString_appendAscii(out, settings->hideKernelThreads ? CRT_colors[METER_SHADOW] : CRT_colors[METER_TEXT], " kthr");
RichString_appendAscii(out, CRT_colors[METER_TEXT], "; ");
len = xSnprintf(buffer, sizeof(buffer), "%d", (int)this->values[3]);
RichString_appendnAscii(out, CRT_colors[TASKS_RUNNING], buffer, len);
RichString_appendAscii(out, CRT_colors[METER_TEXT], " running");
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}
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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: "
};