jtolds/gls's bug

main.go

// GODEBUG=gctrace=1 ./main 1>/dev/null 2>err.txt &
// tail -f err.txt

/*
gc 10446 @295.964s 8%: 0.14+3.9+3.3 ms clock, 4.6+20/30/1.0+107 ms cpu, 8->9->4 MB, 9 MB goal, 48 P
gc 10447 @295.991s 8%: 0.12+3.4+3.6 ms clock, 4.0+10/24/0.27+117 ms cpu, 8->8->4 MB, 9 MB goal, 48 P
gc 10448 @296.017s 8%: 0.062+2.2+3.5 ms clock, 1.9+9.2/21/0.24+113 ms cpu, 8->8->4 MB, 9 MB goal, 48 P
gc 10449 @296.040s 8%: 3.0+2.0+3.4 ms clock, 96+11/31/0.54+109 ms cpu, 7->8->4 MB, 8 MB goal, 48 P
gc 10450 @296.065s 8%: 4.3+1.6+3.3 ms clock, 137+8.9/35/0.26+108 ms cpu, 8->8->4 MB, 9 MB goal, 48 P
gc 10451 @296.093s 8%: 0.19+2.9+3.2 ms clock, 6.3+8.9/22/0.084+103 ms cpu, 8->8->4 MB, 9 MB goal, 48 P
gc 10452 @296.117s 8%: 0.34+6.8+3.4 ms clock, 10+11/40/1.1+111 ms cpu, 8->8->4 MB, 9 MB goal, 48 P
gc 10453 @296.149s 8%: 0.083+3.4+3.2 ms clock, 2.6+4.8/27/0.087+103 ms cpu, 8->8->4 MB, 9 MB goal, 48 P
gc 10454 @296.174s 8%: 0.081+4.3+3.1 ms clock, 2.6+6.5/24/0.10+99 ms cpu, 8->8->4 MB, 9 MB goal, 48 P
*/

package main

import (
	"fmt"
	"sync"
	"time"

	"github.com/jtolds/gls"
)

var (
	mgr = gls.NewContextManager()
)

func foo() {
	fmt.Println("hello, bug", "hello, bug", "hello, bug", "hello, bug", "hello, bug", "hello, bug", "hello, bug", "hello, bug", "hello, bug")
	fmt.Println("hello, bug", "hello, bug", "hello, bug", "hello, bug", "hello, bug", "hello, bug", "hello, bug", "hello, bug", "hello, bug")
	fmt.Println("hello, bug", "hello, bug", "hello, bug", "hello, bug", "hello, bug", "hello, bug", "hello, bug", "hello, bug", "hello, bug")
	fmt.Println("hello, bug", "hello, bug", "hello, bug", "hello, bug", "hello, bug", "hello, bug", "hello, bug", "hello, bug", "hello, bug")
	fmt.Println("hello, bug", "hello, bug", "hello, bug", "hello, bug", "hello, bug", "hello, bug", "hello, bug", "hello, bug", "hello, bug")
	fmt.Println("hello, bug", "hello, bug", "hello, bug", "hello, bug", "hello, bug", "hello, bug", "hello, bug", "hello, bug", "hello, bug")
	fmt.Println("hello, bug", "hello, bug", "hello, bug", "hello, bug", "hello, bug", "hello, bug", "hello, bug", "hello, bug", "hello, bug")
}

func withGls() {
	mgr.SetValues(gls.Values{"key_logid": fmt.Sprintf("%v", time.Now().UnixNano())}, foo)
}

func main() {
	var wg sync.WaitGroup
	wg.Add(1)
	for i := 1; i < 1000; i++ {
		go func() {
			for true {
				withGls()
			}
		}()
	}
	wg.Wait()
}