1 /* 2 * Copyright 2011 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 #include "SkBenchmark.h" 8 #include "SkThread.h" 9 10 class MutexBench : public SkBenchmark { 11 enum { 12 N = SkBENCHLOOP(80), 13 M = SkBENCHLOOP(200) 14 }; 15 public: MutexBench(void * param)16 MutexBench(void* param) : INHERITED(param) { 17 18 } 19 protected: onGetName()20 virtual const char* onGetName() { 21 return "mutex"; 22 } 23 onDraw(SkCanvas * canvas)24 virtual void onDraw(SkCanvas* canvas) { 25 for (int i = 0; i < N; i++) { 26 SK_DECLARE_STATIC_MUTEX(mu); 27 for (int j = 0; j < M; j++) { 28 mu.acquire(); 29 mu.release(); 30 } 31 } 32 } 33 34 private: 35 typedef SkBenchmark INHERITED; 36 }; 37 38 /////////////////////////////////////////////////////////////////////////////// 39 Fact(void * p)40static SkBenchmark* Fact(void* p) { return new MutexBench(p); } 41 42 static BenchRegistry gReg01(Fact); 43 44