mirror of https://github.com/xzeldon/htop.git
94 lines
2.6 KiB
C
94 lines
2.6 KiB
C
/*
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htop - LoadAverageMeter.c
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(C) 2004-2011 Hisham H. Muhammad
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Released under the GNU GPL, see the COPYING file
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in the source distribution for its full text.
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*/
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#include "LoadAverageMeter.h"
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#include "CRT.h"
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#include "debug.h"
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#include <curses.h>
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#include <assert.h>
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/*{
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#include "Meter.h"
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}*/
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int LoadAverageMeter_attributes[] = {
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LOAD_AVERAGE_FIFTEEN, LOAD_AVERAGE_FIVE, LOAD_AVERAGE_ONE
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};
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int LoadMeter_attributes[] = { LOAD };
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static inline void LoadAverageMeter_scan(double* one, double* five, double* fifteen) {
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int activeProcs, totalProcs, lastProc;
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*one = 0; *five = 0; *fifteen = 0;
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FILE *fd = fopen(PROCDIR "/loadavg", "r");
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if (fd) {
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int total = fscanf(fd, "%32lf %32lf %32lf %32d/%32d %32d", one, five, fifteen,
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&activeProcs, &totalProcs, &lastProc);
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(void) total;
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assert(total == 6);
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fclose(fd);
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}
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}
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static void LoadAverageMeter_setValues(Meter* this, char* buffer, int size) {
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LoadAverageMeter_scan(&this->values[2], &this->values[1], &this->values[0]);
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snprintf(buffer, size, "%.2f/%.2f/%.2f", this->values[2], this->values[1], this->values[0]);
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}
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static void LoadAverageMeter_display(Object* cast, RichString* out) {
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Meter* this = (Meter*)cast;
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char buffer[20];
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sprintf(buffer, "%.2f ", this->values[2]);
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RichString_write(out, CRT_colors[LOAD_AVERAGE_FIFTEEN], buffer);
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sprintf(buffer, "%.2f ", this->values[1]);
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RichString_append(out, CRT_colors[LOAD_AVERAGE_FIVE], buffer);
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sprintf(buffer, "%.2f ", this->values[0]);
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RichString_append(out, CRT_colors[LOAD_AVERAGE_ONE], buffer);
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}
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static void LoadMeter_setValues(Meter* this, char* buffer, int size) {
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double five, fifteen;
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LoadAverageMeter_scan(&this->values[0], &five, &fifteen);
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if (this->values[0] > this->total) {
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this->total = this->values[0];
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}
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snprintf(buffer, size, "%.2f", this->values[0]);
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}
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static void LoadMeter_display(Object* cast, RichString* out) {
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Meter* this = (Meter*)cast;
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char buffer[20];
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sprintf(buffer, "%.2f ", ((Meter*)this)->values[0]);
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RichString_write(out, CRT_colors[LOAD], buffer);
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}
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MeterType LoadAverageMeter = {
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.setValues = LoadAverageMeter_setValues,
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.display = LoadAverageMeter_display,
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.mode = TEXT_METERMODE,
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.items = 3,
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.total = 100.0,
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.attributes = LoadAverageMeter_attributes,
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.name = "LoadAverage",
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.uiName = "Load average",
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.caption = "Load average: "
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};
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MeterType LoadMeter = {
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.setValues = LoadMeter_setValues,
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.display = LoadMeter_display,
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.mode = TEXT_METERMODE,
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.items = 1,
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.total = 100.0,
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.attributes = LoadMeter_attributes,
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.name = "Load",
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.uiName = "Load",
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.caption = "Load: "
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};
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