// test malloc in heap or stack function func TestIfObjectInStack(t *testing.T) { amount := 10000 for i := 0; i < amount; i++ { ob := Object{} if ob.a == "aaa" { ob.a = "bbb" } freeObject(&ob) } fmt.Println(lenPool()) ob := &Object{} fmt.Println("----------------expect malloc in heap--------------") pprof.MemStats() for i := 0; i < amount; i++ { s := expectMallocInHeap(ob) // never hit this statment use s to prevent compile optimize code if s.a == "aaa" { fmt.Println("sssss") } } pprof.MemStats() pprof.StatIncrement(pprof.HeapObjects, pprof.TotalAlloc) fmt.Println("-------------- expect malloc in stack--------------") pprof.MemStats() for i := 0; i < amount; i++ { expectMallocInStack(ob) } pprof.MemStats() pprof.StatIncrement(pprof.HeapObjects, pprof.TotalAlloc) pprof.ProcessStats() fmt.Println("----------------expect malloc in mem pool--------------") pprof.MemStats() for i := 0; i < amount; i++ { s := newObjectFromPool() // never hit this statment use s to prevent compile optimize code if s.a == "aaa" { fmt.Println("sssss") } freeObject(s) } pprof.MemStats() pprof.StatIncrement(pprof.HeapObjects, pprof.TotalAlloc) fmt.Print("\n\n") }
// test malloc use object pool func TestObjectPool(t *testing.T) { time.Sleep(time.Second) amount := 1000 var wg sync.WaitGroup for i := 0; i < 5; i++ { fmt.Println("--------------malloc object without object pool-------------") pprof.MemStats() for i := 0; i < amount; i++ { wg.Add(1) go func() { defer wg.Done() for i := 0; i < 1000; i++ { ob := new(Object) if ob.a == "aaa" { ob.a = "bbb" } } }() } wg.Wait() pprof.MemStats() pprof.StatIncrement(pprof.HeapObjects, pprof.TotalAlloc) } for i := 0; i < 5; i++ { fmt.Println("----------------malloc object use object pool------------ ") pprof.MemStats() for i := 0; i < amount; i++ { wg.Add(1) go func() { defer wg.Done() for i := 0; i < 1000; i++ { ob := newObjectFromPool() if ob.a == "aaa" { ob.a = "bbb" } freeObject(ob) } }() } wg.Wait() pprof.MemStats() pprof.StatIncrement(pprof.HeapObjects, pprof.TotalAlloc) } fmt.Println("\n\n") }
func TestEchoStruct(t *testing.T) { var results = struct { content map[string]int sync.Mutex }{content: make(map[string]int, 1000)} var counter = NewCallCalculator() var wgCreate sync.WaitGroup var wgFinish sync.WaitGroup var startRequestCh = make(chan struct{}) for i := 0; i < ExecGoroutines; i++ { wgCreate.Add(1) go func() { wgCreate.Done() wgFinish.Add(1) defer wgFinish.Done() <-startRequestCh for i := 0; i < ExecPerGoroutines; i++ { var res string id := counter.Start() err := client.CallWithAddress("127.0.0.1:6668", "TestRpcInt", "EchoStruct", TestABC{"aaa", "bbb", "ccc"}, &res) counter.End(id) if err != nil { results.Lock() results.content[err.Error()] += 1 results.Unlock() continue } results.Lock() results.content[res] += 1 results.Unlock() } }() } wgCreate.Wait() // pprof result pprof.MemStats() // start to send request close(startRequestCh) wgFinish.Wait() close(StopClient2) pprof.MemStats() pprof.StatIncrement(pprof.HeapObjects, pprof.TotalAlloc, pprof.PauseTotalMs, pprof.NumGC) // output rpc result if len(results.content) > 1 { t.Error("have failed call") } for result, count := range results.content { t.Logf("TestEchoStruct result: %s ,count: %d \n", result, count) } // client request result counter.Summary() fmt.Printf("Max Client Qps: %d \n", MaxQps) time.Sleep(time.Microsecond) }
// list amount of goroutines and memory occupied func TestGoroutineCost(t *testing.T) { amount := 100000 pprof.MemStats() fmt.Println(pprof.Current()) fmt.Printf("create goroutines amount: %d\n", amount) var wg sync.WaitGroup for i := 0; i < amount; i++ { wg.Add(1) go func() { defer wg.Done() time.Sleep(time.Second * 10) }() } wg.Wait() fmt.Println(pprof.Current()) pprof.ProcessStats() pprof.MemStats() pprof.StatIncrement(pprof.TotalAlloc) fmt.Print("\n\n") }