115 lines
2.9 KiB
Java
115 lines
2.9 KiB
Java
/*
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* Copyright 2021 The Netty Project
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*
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* The Netty Project licenses this file to you under the Apache License,
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* version 2.0 (the "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at:
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*/
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package io.netty.buffer.api.pool;
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import java.util.List;
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/**
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* Expose metrics for an arena.
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*/
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public interface PoolArenaMetric extends SizeClassesMetric {
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/**
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* Returns the number of thread caches backed by this arena.
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*/
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int numThreadCaches();
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/**
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* Returns the number of small sub-pages for the arena.
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*/
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int numSmallSubpages();
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/**
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* Returns the number of chunk lists for the arena.
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*/
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int numChunkLists();
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/**
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* Returns an unmodifiable {@link List} which holds {@link PoolSubpageMetric}s for small sub-pages.
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*/
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List<PoolSubpageMetric> smallSubpages();
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/**
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* Returns an unmodifiable {@link List} which holds {@link PoolChunkListMetric}s.
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*/
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List<PoolChunkListMetric> chunkLists();
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/**
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* Return the number of allocations done via the arena. This includes all sizes.
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*/
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long numAllocations();
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/**
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* Return the number of small allocations done via the arena.
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*/
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long numSmallAllocations();
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/**
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* Return the number of normal allocations done via the arena.
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*/
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long numNormalAllocations();
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/**
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* Return the number of huge allocations done via the arena.
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*/
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long numHugeAllocations();
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/**
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* Return the number of deallocations done via the arena. This includes all sizes.
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*/
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long numDeallocations();
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/**
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* Return the number of small deallocations done via the arena.
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*/
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long numSmallDeallocations();
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/**
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* Return the number of normal deallocations done via the arena.
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*/
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long numNormalDeallocations();
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/**
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* Return the number of huge deallocations done via the arena.
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*/
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long numHugeDeallocations();
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/**
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* Return the number of currently active allocations.
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*/
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long numActiveAllocations();
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/**
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* Return the number of currently active small allocations.
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*/
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long numActiveSmallAllocations();
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/**
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* Return the number of currently active normal allocations.
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*/
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long numActiveNormalAllocations();
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/**
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* Return the number of currently active huge allocations.
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*/
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long numActiveHugeAllocations();
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/**
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* Return the number of active bytes that are currently allocated by the arena.
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*/
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long numActiveBytes();
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}
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