add pids, IO stat

cwidgets/expanded/io.go

@@ -0,0 +1,51 @@
+package expanded
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/bcicen/ctop/cwidgets"
+	ui "github.com/gizak/termui"
+)
+
+type IO struct {
+	*ui.Sparklines
+	readHist *DiffHist
+	writeHist *DiffHist
+}
+
+func NewIO() *IO {
+	io := &IO{ui.NewSparklines(), NewDiffHist(60), NewDiffHist(60)}
+	io.BorderLabel = "IO"
+	io.Height = 6
+	io.Width = colWidth[0]
+	io.X = 0
+	io.Y = 24
+
+	read := ui.NewSparkline()
+	read.Title = "read"
+	read.Height = 1
+	read.Data = io.readHist.Data
+	read.LineColor = ui.ColorGreen
+
+	write := ui.NewSparkline()
+	write.Title = "write"
+	write.Height = 1
+	write.Data = io.writeHist.Data
+	write.LineColor = ui.ColorYellow
+
+	io.Lines = []ui.Sparkline{read, write}
+	return io
+}
+
+func (w *IO) Update(read int64, write int64) {
+	var rate string
+
+	w.readHist.Append(int(read))
+	rate = strings.ToLower(cwidgets.ByteFormatInt(w.readHist.Val))
+	w.Lines[0].Title = fmt.Sprintf("read [%s/s]", rate)
+
+	w.writeHist.Append(int(write))
+	rate = strings.ToLower(cwidgets.ByteFormatInt(w.writeHist.Val))
+	w.Lines[1].Title = fmt.Sprintf("write [%s/s]", rate)
+}

cwidgets/expanded/main.go

@@ -17,6 +17,7 @@ type Expanded struct {
 	Net   *Net
 	Cpu   *Cpu
 	Mem   *Mem
+	IO    *IO
 	Width int
 }
 
@@ -29,6 +30,7 @@ func NewExpanded(id string) *Expanded {
 		Net:   NewNet(),
 		Cpu:   NewCpu(),
 		Mem:   NewMem(),
+		IO:    NewIO(),
 		Width: ui.TermWidth(),
 	}
 }
@@ -45,6 +47,7 @@ func (e *Expanded) SetMetrics(m metrics.Metrics) {
 	e.Cpu.Update(m.CPUUtil)
 	e.Net.Update(m.NetRx, m.NetTx)
 	e.Mem.Update(int(m.MemUsage), int(m.MemLimit))
+	e.IO.Update(m.IOBytesRead, m.IOBytesWrite)
 }
 
 func (e *Expanded) Align() {
@@ -74,6 +77,7 @@ func (e *Expanded) Buffer() ui.Buffer {
 	buf.Merge(e.Cpu.Buffer())
 	buf.Merge(e.Mem.Buffer())
 	buf.Merge(e.Net.Buffer())
+	buf.Merge(e.IO.Buffer())
 	return buf
 }
 
@@ -83,6 +87,7 @@ func (e *Expanded) all() []ui.GridBufferer {
 		e.Cpu,
 		e.Mem,
 		e.Net,
+		e.IO,
 	}
 }