[go-nuts] when the runtime decide to threadcreate

[刘桂祥]

package main


import (
    "bufio"
    "net/http"
    _ "net/http/pprof"
    "os"
    "time"
)


func main() {
    go func() {
        http.ListenAndServe(":8080", nil)
    }()
    reader := bufio.NewReader(os.Stdin)
    for i := 0; i < 100; i++ {
        go func(id int) {
            for {
                data, _, _ := reader.ReadLine()
                println(id, string(data))
            }
        }(i)
        time.Sleep(1 * time.Second)
    }
    println("create finish!")
    time.Sleep(5 * time.Second)
}

  I use curl http://localhost:8080/debug/pprof/threadcreate   see that the 
theadcreate num is always grow.
  want to ask when the runtime decide to threadcreate : long time not 
return syscall ? any others ??

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