diff options
Diffstat (limited to 'CPUMeter.c')
| -rw-r--r-- | CPUMeter.c | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/CPUMeter.c b/CPUMeter.c new file mode 100644 index 0000000..a1144ea --- /dev/null +++ b/CPUMeter.c @@ -0,0 +1,184 @@ +/* +htop - CPUMeter.c +(C) 2004-2010 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", cpu); + 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; + this->drawBuffer = malloc(sizeof(Meter*) * cpus); + Meter** meters = (Meter**) this->drawBuffer; + for (int i = 0; i < cpus; i++) + meters[i] = Meter_new(this->pl, i+1, &CPUMeter); + this->h = cpus; + this->mode = BAR_METERMODE; +} + +static void AllCPUsMeter_done(Meter* this) { + int cpus = this->pl->cpuCount; + Meter** meters = (Meter**) this->drawBuffer; + 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->drawBuffer; + 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 +}; |