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/*
htop - CPUMeter.c
(C) 2004-2011 Hisham H. Muhammad
Released under the GNU GPL, see the COPYING file
in the source distribution for its full text.
*/
#include "CPUMeter.h"
#include "Meter.h"
#include "ProcessList.h"
#include <stdlib.h>
#include <curses.h>
#include <string.h>
#include <math.h>
#include "debug.h"
#include <assert.h>
int CPUMeter_attributes[] = {
CPU_NICE, CPU_NORMAL, CPU_KERNEL, CPU_IRQ, CPU_SOFTIRQ, CPU_IOWAIT, CPU_STEAL, CPU_GUEST
};
#ifndef MIN
#define MIN(a,b) ((a)<(b)?(a):(b))
#endif
#ifndef MAX
#define MAX(a,b) ((a)>(b)?(a):(b))
#endif
static void CPUMeter_init(Meter* this) {
int cpu = this->param;
if (this->pl->cpuCount > 1) {
char caption[10];
sprintf(caption, "%-3d", ProcessList_cpuId(this->pl, cpu - 1));
Meter_setCaption(this, caption);
}
if (this->param == 0)
Meter_setCaption(this, "Avg");
}
static void CPUMeter_setValues(Meter* this, char* buffer, int size) {
ProcessList* pl = this->pl;
int cpu = this->param;
if (cpu > this->pl->cpuCount) {
snprintf(buffer, size, "absent");
return;
}
CPUData* cpuData = &(pl->cpus[cpu]);
double total = (double) ( cpuData->totalPeriod == 0 ? 1 : cpuData->totalPeriod);
double percent;
this->values[0] = cpuData->nicePeriod / total * 100.0;
this->values[1] = cpuData->userPeriod / total * 100.0;
if (pl->detailedCPUTime) {
this->values[2] = cpuData->systemPeriod / total * 100.0;
this->values[3] = cpuData->irqPeriod / total * 100.0;
this->values[4] = cpuData->softIrqPeriod / total * 100.0;
this->values[5] = cpuData->ioWaitPeriod / total * 100.0;
this->values[6] = cpuData->stealPeriod / total * 100.0;
this->values[7] = cpuData->guestPeriod / total * 100.0;
this->type->items = 8;
percent = MIN(100.0, MAX(0.0, (this->values[0]+this->values[1]+this->values[2]+
this->values[3]+this->values[4])));
} else {
this->values[2] = cpuData->systemAllPeriod / total * 100.0;
this->values[3] = (cpuData->stealPeriod + cpuData->guestPeriod) / total * 100.0;
this->type->items = 4;
percent = MIN(100.0, MAX(0.0, (this->values[0]+this->values[1]+this->values[2]+this->values[3])));
}
if (isnan(percent)) percent = 0.0;
snprintf(buffer, size, "%5.1f%%", percent);
}
static void CPUMeter_display(Object* cast, RichString* out) {
char buffer[50];
Meter* this = (Meter*)cast;
RichString_prune(out);
if (this->param > this->pl->cpuCount) {
RichString_append(out, CRT_colors[METER_TEXT], "absent");
return;
}
sprintf(buffer, "%5.1f%% ", this->values[1]);
RichString_append(out, CRT_colors[METER_TEXT], ":");
RichString_append(out, CRT_colors[CPU_NORMAL], buffer);
if (this->pl->detailedCPUTime) {
sprintf(buffer, "%5.1f%% ", this->values[2]);
RichString_append(out, CRT_colors[METER_TEXT], "sy:");
RichString_append(out, CRT_colors[CPU_KERNEL], buffer);
sprintf(buffer, "%5.1f%% ", this->values[0]);
RichString_append(out, CRT_colors[METER_TEXT], "ni:");
RichString_append(out, CRT_colors[CPU_NICE], buffer);
sprintf(buffer, "%5.1f%% ", this->values[3]);
RichString_append(out, CRT_colors[METER_TEXT], "hi:");
RichString_append(out, CRT_colors[CPU_IRQ], buffer);
sprintf(buffer, "%5.1f%% ", this->values[4]);
RichString_append(out, CRT_colors[METER_TEXT], "si:");
RichString_append(out, CRT_colors[CPU_SOFTIRQ], buffer);
sprintf(buffer, "%5.1f%% ", this->values[5]);
RichString_append(out, CRT_colors[METER_TEXT], "wa:");
RichString_append(out, CRT_colors[CPU_IOWAIT], buffer);
sprintf(buffer, "%5.1f%% ", this->values[6]);
RichString_append(out, CRT_colors[METER_TEXT], "st:");
RichString_append(out, CRT_colors[CPU_STEAL], buffer);
if (this->values[7]) {
sprintf(buffer, "%5.1f%% ", this->values[7]);
RichString_append(out, CRT_colors[METER_TEXT], "gu:");
RichString_append(out, CRT_colors[CPU_GUEST], buffer);
}
} else {
sprintf(buffer, "%5.1f%% ", this->values[2]);
RichString_append(out, CRT_colors[METER_TEXT], "sys:");
RichString_append(out, CRT_colors[CPU_KERNEL], buffer);
sprintf(buffer, "%5.1f%% ", this->values[0]);
RichString_append(out, CRT_colors[METER_TEXT], "low:");
RichString_append(out, CRT_colors[CPU_NICE], buffer);
if (this->values[3]) {
sprintf(buffer, "%5.1f%% ", this->values[3]);
RichString_append(out, CRT_colors[METER_TEXT], "vir:");
RichString_append(out, CRT_colors[CPU_GUEST], buffer);
}
}
}
static void AllCPUsMeter_init(Meter* this) {
int cpus = this->pl->cpuCount;
if (!this->drawData)
this->drawData = calloc(sizeof(Meter*), cpus);
Meter** meters = (Meter**) this->drawData;
for (int i = 0; i < cpus; i++) {
if (!meters[i])
meters[i] = Meter_new(this->pl, i+1, &CPUMeter);
meters[i]->type->init(meters[i]);
}
this->h = Meter_modes[this->mode]->h * cpus;
}
static void AllCPUsMeter_done(Meter* this) {
int cpus = this->pl->cpuCount;
Meter** meters = (Meter**) this->drawData;
for (int i = 0; i < cpus; i++)
Meter_delete((Object*)meters[i]);
}
static void AllCPUsMeter_setMode(Meter* this, int mode) {
this->mode = mode;
int cpus = this->pl->cpuCount;
int h = Meter_modes[this->mode]->h;
this->h = h * cpus;
}
static void AllCPUsMeter_draw(Meter* this, int x, int y, int w) {
int cpus = this->pl->cpuCount;
Meter** meters = (Meter**) this->drawData;
for (int i = 0; i < cpus; i++) {
Meter_setMode(meters[i], this->mode);
meters[i]->draw(meters[i], x, y, w);
y += meters[i]->h;
}
}
MeterType CPUMeter = {
.setValues = CPUMeter_setValues,
.display = CPUMeter_display,
.mode = BAR_METERMODE,
.items = 8,
.total = 100.0,
.attributes = CPUMeter_attributes,
.name = "CPU",
.uiName = "CPU",
.caption = "CPU",
.init = CPUMeter_init
};
MeterType AllCPUsMeter = {
.mode = 0,
.items = 1,
.total = 100.0,
.attributes = CPUMeter_attributes,
.name = "AllCPUs",
.uiName = "All CPUs",
.caption = "CPU",
.draw = AllCPUsMeter_draw,
.init = AllCPUsMeter_init,
.setMode = AllCPUsMeter_setMode,
.done = AllCPUsMeter_done
};