| // Copyright 2014 The Bazel Authors. 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. |
| package com.google.devtools.build.lib.profiler; |
| |
| import com.google.common.base.Predicate; |
| import com.google.common.base.Predicates; |
| import com.google.common.collect.ImmutableMap; |
| |
| import java.util.Map; |
| |
| /** An object that can record time statistics about an object. */ |
| public interface StatRecorder { |
| |
| /** Add a new time statistic for the object {@code obj}. */ |
| void addStat(int duration, Object obj); |
| |
| /** True if it has not recorded any statistic */ |
| boolean isEmpty(); |
| |
| /** A collection of heuristics for VFS kind of stats in order to detect the filesystem type. */ |
| final class VfsHeuristics { |
| |
| private VfsHeuristics() {} |
| |
| static Map<String, ? extends Predicate<? super String>> vfsTypeHeuristics = |
| ImmutableMap.of( |
| "blaze-out", Predicates.containsPattern("/blaze-out/"), |
| "source", Predicates.<CharSequence>alwaysTrue()); |
| |
| |
| public static void setVfsTypeHeuristics(Map<String, ? extends Predicate<? super String>> map) { |
| vfsTypeHeuristics = map; |
| } |
| } |
| } |