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/*
htop - LoadAverageMeter.c
(C) 2004-2011 Hisham H. Muhammad
Released under the GNU GPLv2+, see the COPYING file
in the source distribution for its full text.
*/
#include "config.h" // IWYU pragma: keep
#include "LoadAverageMeter.h"
#include "CRT.h"
#include "Machine.h"
#include "Object.h"
#include "Platform.h"
#include "RichString.h"
#include "XUtils.h"
static const int LoadAverageMeter_attributes[] = {
LOAD_AVERAGE_ONE,
LOAD_AVERAGE_FIVE,
LOAD_AVERAGE_FIFTEEN
};
static const int LoadMeter_attributes[] = {
LOAD
};
static const int OK_attributes[] = {
METER_VALUE_OK
};
static const int Medium_attributes[] = {
METER_VALUE_WARN
};
static const int High_attributes[] = {
METER_VALUE_ERROR
};
static void LoadAverageMeter_updateValues(Meter* this) {
Platform_getLoadAverage(&this->values[0], &this->values[1], &this->values[2]);
// only show bar for 1min value
this->curItems = 1;
// change bar color and total based on value
if (this->values[0] < 1.0) {
this->curAttributes = OK_attributes;
this->total = 1.0;
} else if (this->values[0] < this->host->activeCPUs) {
this->curAttributes = Medium_attributes;
this->total = this->host->activeCPUs;
} else {
this->curAttributes = High_attributes;
this->total = 2 * this->host->activeCPUs;
}
xSnprintf(this->txtBuffer, sizeof(this->txtBuffer), "%.2f/%.2f/%.2f", this->values[0], this->values[1], this->values[2]);
}
static void LoadAverageMeter_display(const Object* cast, RichString* out) {
const Meter* this = (const Meter*)cast;
char buffer[20];
int len;
len = xSnprintf(buffer, sizeof(buffer), "%.2f ", this->values[0]);
RichString_appendnAscii(out, CRT_colors[LOAD_AVERAGE_ONE], buffer, len);
len = xSnprintf(buffer, sizeof(buffer), "%.2f ", this->values[1]);
RichString_appendnAscii(out, CRT_colors[LOAD_AVERAGE_FIVE], buffer, len);
len = xSnprintf(buffer, sizeof(buffer), "%.2f ", this->values[2]);
RichString_appendnAscii(out, CRT_colors[LOAD_AVERAGE_FIFTEEN], buffer, len);
}
static void LoadMeter_updateValues(Meter* this) {
double five, fifteen;
Platform_getLoadAverage(&this->values[0], &five, &fifteen);
// change bar color and total based on value
if (this->values[0] < 1.0) {
this->curAttributes = OK_attributes;
this->total = 1.0;
} else if (this->values[0] < this->host->activeCPUs) {
this->curAttributes = Medium_attributes;
this->total = this->host->activeCPUs;
} else {
this->curAttributes = High_attributes;
this->total = 2 * this->host->activeCPUs;
}
xSnprintf(this->txtBuffer, sizeof(this->txtBuffer), "%.2f", this->values[0]);
}
static void LoadMeter_display(const Object* cast, RichString* out) {
const Meter* this = (const Meter*)cast;
char buffer[20];
int len;
len = xSnprintf(buffer, sizeof(buffer), "%.2f ", this->values[0]);
RichString_appendnAscii(out, CRT_colors[LOAD], buffer, len);
}
const MeterClass LoadAverageMeter_class = {
.super = {
.extends = Class(Meter),
.delete = Meter_delete,
.display = LoadAverageMeter_display,
},
.updateValues = LoadAverageMeter_updateValues,
.defaultMode = TEXT_METERMODE,
.maxItems = 3,
.total = 100.0,
.attributes = LoadAverageMeter_attributes,
.name = "LoadAverage",
.uiName = "Load average",
.description = "Load averages: 1 minute, 5 minutes, 15 minutes",
.caption = "Load average: "
};
const MeterClass LoadMeter_class = {
.super = {
.extends = Class(Meter),
.delete = Meter_delete,
.display = LoadMeter_display,
},
.updateValues = LoadMeter_updateValues,
.defaultMode = TEXT_METERMODE,
.maxItems = 1,
.total = 100.0,
.attributes = LoadMeter_attributes,
.name = "Load",
.uiName = "Load",
.description = "Load: average of ready processes in the last minute",
.caption = "Load: "
};
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