func main() {
file, err := os.OpenFile("d:\\cgo_long_run.log", os.O_CREATE|os.O_APPEND, 0644)
if err != nil {
fmt.Println("cannot open d:\\cgo_long_run.log for write", err)
return
}
log.SetOutput(io.MultiWriter(os.Stdout, file))
log.SetFlags(log.Ldate | log.Ltime)
log.Println("Started - run 100 hours")
pc := cgo_pdh.NewPdhCollector()
defer pc.Close()
pc.AddCounter("\\Process(long_run)\\Working Set - Private")
data, _ := pc.CollectAllDouble()
tick := time.Tick(time.Second * 1)
tickClose := time.Tick(time.Second * 2)
done := time.After(time.Hour * 100)
first_value := 0
last_value := 0
delta := 0
for {
select {
case <-tickClose:
pc.Close()
pc = cgo_pdh.NewPdhCollector()
pc.AddCounter("\\Process(long_run)\\Working Set - Private")
log.Println("close and recreate pdh collector")
case <-tick:
data, err = pc.CollectAllDouble()
for _, d := range data {
if first_value == 0 {
first_value = int(d) / 1024
}
last_value = int(d) / 1024
delta = last_value - first_value
log.Printf("first: %d, last: %d, delta: %d\n", first_value, last_value, delta)
}
case <-done:
return
}
}
log.Println("Finished")
}
/*
place here to avoid jamming test_all
*/
func Test_cgo_pdh_mem_leak_multiple_instance(t *testing.T) {
pc := cgo_pdh.NewPdhCollector()
defer pc.Close()
pc.AddCounter("\\Process(lib_cgo_pdh_test.test)\\Working Set - Private")
data, err := pc.CollectAllDouble()
if err != nil {
t.Error("error: ", err)
return
}
tick := time.Tick(time.Second)
tickClose := time.Tick(time.Second * 2)
done := time.After(time.Second * 100)
first_value := 0
last_value := 0
delta := 0
for {
select {
case <-tickClose:
fmt.Println("close and recreate pdh collector")
pc.Close()
pc = cgo_pdh.NewPdhCollector()
pc.AddCounter("\\Process(lib_cgo_pdh_test.test)\\Working Set - Private")
case <-tick:
data, err = pc.CollectAllDouble()
for _, d := range data {
if first_value == 0 {
first_value = int(d) / 1024
}
last_value = int(d) / 1024
delta = last_value - first_value
fmt.Printf("first: %d, last: %d, delta: %d\n", first_value, last_value, delta)
if delta > 20 {
t.Error("delta above 20k happened")
}
}
case <-done:
return
}
}
}