xmtop/widgets/cpu.go
2018-02-19 02:00:21 -08:00

45 lines
830 B
Go

package widgets
import (
"strconv"
"time"
ui "github.com/cjbassi/gotop/termui"
ps "github.com/shirou/gopsutil/cpu"
)
type CPU struct {
*ui.LineGraph
count int
interval time.Duration
}
func NewCPU() *CPU {
count, _ := ps.Counts(false)
c := &CPU{ui.NewLineGraph(), count, time.Second}
c.Label = "CPU Usage"
for i := 0; i < c.count; i++ {
key := "CPU" + strconv.Itoa(i+1)
c.Data[key] = []float64{0}
c.LineColor[key] = ui.Attribute(int(ui.ColorRed) + i)
}
go c.update()
ticker := time.NewTicker(c.interval)
go func() {
for range ticker.C {
c.update()
}
}()
return c
}
func (c *CPU) update() {
percent, _ := ps.Percent(time.Second, true) // takes one second to get the data
for i := 0; i < c.count; i++ {
key := "CPU" + strconv.Itoa(i+1)
c.Data[key] = append(c.Data[key], percent[i])
}
}