77 lines
1.7 KiB
Go
77 lines
1.7 KiB
Go
package widgets
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import (
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"fmt"
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"time"
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"github.com/VictoriaMetrics/metrics"
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"github.com/xxxserxxx/gotop/v4/devices"
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ui "github.com/xxxserxxx/gotop/v4/termui"
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"github.com/xxxserxxx/gotop/v4/utils"
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)
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type MemWidget struct {
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*ui.LineGraph
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updateInterval time.Duration
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}
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func NewMemWidget(updateInterval time.Duration, horizontalScale int) *MemWidget {
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widg := &MemWidget{
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LineGraph: ui.NewLineGraph(),
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updateInterval: updateInterval,
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}
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widg.Title = tr.Value("widget.label.mem")
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widg.HorizontalScale = horizontalScale
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mems := make(map[string]devices.MemoryInfo)
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devices.UpdateMem(mems)
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for name, mem := range mems {
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widg.Data[name] = []float64{0}
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widg.renderMemInfo(name, mem)
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}
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go func() {
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for range time.NewTicker(widg.updateInterval).C {
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widg.Lock()
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devices.UpdateMem(mems)
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for label, mi := range mems {
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widg.renderMemInfo(label, mi)
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}
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widg.Unlock()
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}
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}()
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return widg
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}
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func (mem *MemWidget) EnableMetric() {
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mems := make(map[string]devices.MemoryInfo)
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devices.UpdateMem(mems)
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for l, _ := range mems {
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lc := l
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metrics.NewGauge(makeName("memory", l), func() float64 {
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if ds, ok := mem.Data[lc]; ok {
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return ds[len(ds)-1]
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}
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return 0.0
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})
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}
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}
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func (mem *MemWidget) Scale(i int) {
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mem.LineGraph.HorizontalScale = i
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}
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func (mem *MemWidget) renderMemInfo(line string, memoryInfo devices.MemoryInfo) {
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mem.Data[line] = append(mem.Data[line], memoryInfo.UsedPercent)
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memoryTotalBytes, memoryTotalMagnitude := utils.ConvertBytes(memoryInfo.Total)
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memoryUsedBytes, memoryUsedMagnitude := utils.ConvertBytes(memoryInfo.Used)
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mem.Labels[line] = fmt.Sprintf("%3.0f%% %5.1f%s/%.0f%s",
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memoryInfo.UsedPercent,
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memoryUsedBytes,
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memoryUsedMagnitude,
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memoryTotalBytes,
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memoryTotalMagnitude,
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)
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}
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