mirror of https://github.com/bcicen/ctop.git
72 lines
1.6 KiB
Go
72 lines
1.6 KiB
Go
package main
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import (
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"fmt"
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"reflect"
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"runtime"
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"github.com/bcicen/ctop/container"
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ui "github.com/gizak/termui"
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)
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var mstats = &runtime.MemStats{}
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func logEvent(e ui.Event) {
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// skip timer events e.g. /timer/1s
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if e.From == "timer" {
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return
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}
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var s string
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s += fmt.Sprintf("Type=%s", quote(e.Type))
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s += fmt.Sprintf(" Path=%s", quote(e.Path))
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s += fmt.Sprintf(" From=%s", quote(e.From))
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if e.To != "" {
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s += fmt.Sprintf(" To=%s", quote(e.To))
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}
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log.Debugf("new event: %s", s)
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}
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func runtimeStats() {
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var msg string
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msg += fmt.Sprintf("cgo calls=%v", runtime.NumCgoCall())
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msg += fmt.Sprintf(" routines=%v", runtime.NumGoroutine())
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runtime.ReadMemStats(mstats)
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msg += fmt.Sprintf(" numgc=%v", mstats.NumGC)
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msg += fmt.Sprintf(" alloc=%v", mstats.Alloc)
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log.Debugf("runtime: %v", msg)
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}
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func runtimeStack() {
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buf := make([]byte, 32768)
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buf = buf[:runtime.Stack(buf, true)]
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log.Infof(fmt.Sprintf("stack:\n%v", string(buf)))
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}
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// log container, metrics, and widget state
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func dumpContainer(c *container.Container) {
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msg := fmt.Sprintf("logging state for container: %s\n", c.Id)
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for k, v := range c.Meta {
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msg += fmt.Sprintf("Meta.%s = %s\n", k, v)
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}
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msg += inspect(&c.Metrics)
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log.Infof(msg)
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}
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func inspect(i interface{}) (s string) {
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val := reflect.ValueOf(i)
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elem := val.Type().Elem()
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eName := elem.String()
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for i := 0; i < elem.NumField(); i++ {
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field := elem.Field(i)
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fieldVal := reflect.Indirect(val).FieldByName(field.Name)
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s += fmt.Sprintf("%s.%s = ", eName, field.Name)
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s += fmt.Sprintf("%v (%s)\n", fieldVal, field.Type)
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}
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return s
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}
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func quote(s string) string {
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return fmt.Sprintf("\"%s\"", s)
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}
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