| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you 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. |
| |
| #ifndef IMPALA_UTIL_DEBUG_RUNTIME_PROFILE_H |
| #define IMPALA_UTIL_DEBUG_RUNTIME_PROFILE_H |
| |
| #include "common/object-pool.h" |
| #include "util/runtime-profile.h" |
| |
| namespace impala { |
| |
| /// Utility class to create a self-contained profile that does not report anything. |
| /// This is useful if there is sometimes a RuntimeProfile associated with an object |
| /// but not always so that the object can still allocate counters in the same way. |
| class DummyProfile { |
| public: |
| DummyProfile() : pool_(), profile_(RuntimeProfile::Create(&pool_, "dummy")) {} |
| RuntimeProfile* profile() { return profile_; } |
| |
| private: |
| ObjectPool pool_; |
| RuntimeProfile* const profile_; |
| }; |
| } |
| #endif |