xmtop/widgets/mem.go

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2018-02-19 15:25:02 +08:00
package widgets
import (
"time"
ui "github.com/cjbassi/gotop/termui"
ps "github.com/shirou/gopsutil/mem"
)
type Mem struct {
*ui.LineGraph
interval time.Duration
}
func NewMem() *Mem {
m := &Mem{ui.NewLineGraph(), time.Second}
m.Label = "Memory Usage"
m.Data["Main"] = []float64{0} // Sets initial data to 0
m.Data["Swap"] = []float64{0}
m.LineColor["Main"] = ui.ColorMagenta
m.LineColor["Swap"] = ui.ColorYellow
go m.update()
ticker := time.NewTicker(m.interval)
go func() {
for range ticker.C {
m.update()
}
}()
return m
}
func (m *Mem) update() {
main, _ := ps.VirtualMemory()
swap, _ := ps.SwapMemory()
m.Data["Main"] = append(m.Data["Main"], main.UsedPercent)
m.Data["Swap"] = append(m.Data["Swap"], swap.UsedPercent)
}