blob: 03f4a2f1f95587efcbe071e87e625c1f6cc6160a (
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
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
// Copyright 2012 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include <stdio.h>
#include <string.h>
#include "util.h"
#include "metrics.h"
const char kPath[] =
"../../third_party/WebKit/Source/WebCore/"
"platform/leveldb/LevelDBWriteBatch.cpp";
int main() {
vector<int> times;
string err;
char buf[200];
size_t len = strlen(kPath);
strcpy(buf, kPath);
for (int j = 0; j < 5; ++j) {
const int kNumRepetitions = 2000000;
int64_t start = GetTimeMillis();
uint64_t slash_bits;
for (int i = 0; i < kNumRepetitions; ++i) {
CanonicalizePath(buf, &len, &slash_bits, &err);
}
int delta = (int)(GetTimeMillis() - start);
times.push_back(delta);
}
int min = times[0];
int max = times[0];
float total = 0;
for (size_t i = 0; i < times.size(); ++i) {
total += times[i];
if (times[i] < min)
min = times[i];
else if (times[i] > max)
max = times[i];
}
printf("min %dms max %dms avg %.1fms\n",
min, max, total / times.size());
}
|
