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Code Issues Projects Releases 1 Wiki Activity

add runtimestats, stack logging to debug

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This commit is contained in:
Bradley Cicenas
2017-06-28 12:12:24 +00:00
parent 17e2c2df8e
commit 25a3fcf731
1 changed files with 19 additions and 0 deletions
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19
debug.go
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@@ -3,11 +3,14 @@ package main
import ( import (
"fmt" "fmt"
"reflect" "reflect"
"runtime"
"github.com/bcicen/ctop/container" "github.com/bcicen/ctop/container"
ui "github.com/gizak/termui" ui "github.com/gizak/termui"
) )
var mstats = &runtime.MemStats{}
func logEvent(e ui.Event) { func logEvent(e ui.Event) {
var s string var s string
s += fmt.Sprintf("Type=%s", quote(e.Type)) s += fmt.Sprintf("Type=%s", quote(e.Type))
@@ -19,6 +22,22 @@ func logEvent(e ui.Event) {
log.Debugf("new event: %s", s) log.Debugf("new event: %s", s)
} }
func runtimeStats() {
var msg string
msg += fmt.Sprintf("cgo calls=%v", runtime.NumCgoCall())
msg += fmt.Sprintf(" routines=%v", runtime.NumGoroutine())
runtime.ReadMemStats(mstats)
msg += fmt.Sprintf(" numgc=%v", mstats.NumGC)
msg += fmt.Sprintf(" alloc=%v", mstats.Alloc)
log.Debugf("runtime: %v", msg)
}
func runtimeStack() {
buf := make([]byte, 32768)
buf = buf[:runtime.Stack(buf, true)]
log.Infof(fmt.Sprintf("stack:\n%v", string(buf)))
}
// log container, metrics, and widget state // log container, metrics, and widget state
func dumpContainer(c *container.Container) { func dumpContainer(c *container.Container) {
msg := fmt.Sprintf("logging state for container: %s\n", c.Id) msg := fmt.Sprintf("logging state for container: %s\n", c.Id)