| // 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()); |
| } |