blob: d96f3f6600d98e6deada9ea4a48173d4bac4e82c (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
|
/*
* Copyright 2011 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SkBenchmark.h"
#include "SkThread.h"
class MutexBench : public SkBenchmark {
enum {
N = SkBENCHLOOP(80),
M = SkBENCHLOOP(200)
};
public:
MutexBench(void* param) : INHERITED(param) {
fIsRendering = false;
}
protected:
virtual const char* onGetName() {
return "mutex";
}
virtual void onDraw(SkCanvas*) {
for (int i = 0; i < N; i++) {
SK_DECLARE_STATIC_MUTEX(mu);
for (int j = 0; j < M; j++) {
mu.acquire();
mu.release();
}
}
}
private:
typedef SkBenchmark INHERITED;
};
///////////////////////////////////////////////////////////////////////////////
static SkBenchmark* Fact(void* p) { return new MutexBench(p); }
static BenchRegistry gReg01(Fact);
|