diff options
-rwxr-xr-x | configure.py | 6 | ||||
-rw-r--r-- | src/canon_perftest.cc | 38 |
2 files changed, 43 insertions, 1 deletions
diff --git a/configure.py b/configure.py index 312fbcb..5fb22fe 100755 --- a/configure.py +++ b/configure.py @@ -322,8 +322,12 @@ objs = cxx('build_log_perftest') build_log_perftest = n.build(binary('build_log_perftest'), 'link', objs, implicit=ninja_lib, variables=[('libs', libs)]) +objs = cxx('canon_perftest') +canon_perftest = n.build(binary('canon_perftest'), 'link', objs, + implicit=ninja_lib, + variables=[('libs', libs)]) n.newline() -all_targets += parser_perftest + build_log_perftest +all_targets += parser_perftest + build_log_perftest + canon_perftest n.comment('Generate a graph using the "graph" tool.') n.rule('gendot', diff --git a/src/canon_perftest.cc b/src/canon_perftest.cc new file mode 100644 index 0000000..aaec935 --- /dev/null +++ b/src/canon_perftest.cc @@ -0,0 +1,38 @@ +#include "util.h" + +const char kPath[] = + "../../third_party/WebKit/Source/WebCore/" + "platform/leveldb/LevelDBWriteBatch.cpp"; + +int main() { + vector<int> times; + string err; + + char buf[200]; + int len = strlen(kPath); + strcpy(buf, kPath); + + for (int j = 0; j < 5; ++j) { + const int kNumRepetitions = 2000000; + int64_t start = GetTimeMillis(); + for (int i = 0; i < kNumRepetitions; ++i) { + CanonicalizePath(buf, &len, &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()); +} |