org.apache.pulsar.shade.io.netty.buffer.PoolArenaMetric Maven / Gradle / Ivy
/*
* Copyright 2015 The Netty Project
*
* The Netty Project 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:
*
* https://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 org.apache.pulsar.shade.io.netty.buffer;
import java.util.List;
/**
* Expose metrics for an arena.
*/
public interface PoolArenaMetric extends SizeClassesMetric {
/**
* Returns the number of thread caches backed by this arena.
*/
int numThreadCaches();
/**
* Returns the number of tiny sub-pages for the arena.
*
* @deprecated Tiny sub-pages have been merged into small sub-pages.
*/
@Deprecated
int numTinySubpages();
/**
* Returns the number of small sub-pages for the arena.
*/
int numSmallSubpages();
/**
* Returns the number of chunk lists for the arena.
*/
int numChunkLists();
/**
* Returns an unmodifiable {@link List} which holds {@link PoolSubpageMetric}s for tiny sub-pages.
*
* @deprecated Tiny sub-pages have been merged into small sub-pages.
*/
@Deprecated
List tinySubpages();
/**
* Returns an unmodifiable {@link List} which holds {@link PoolSubpageMetric}s for small sub-pages.
*/
List smallSubpages();
/**
* Returns an unmodifiable {@link List} which holds {@link PoolChunkListMetric}s.
*/
List chunkLists();
/**
* Return the number of allocations done via the arena. This includes all sizes.
*/
long numAllocations();
/**
* Return the number of tiny allocations done via the arena.
*
* @deprecated Tiny allocations have been merged into small allocations.
*/
@Deprecated
long numTinyAllocations();
/**
* Return the number of small allocations done via the arena.
*/
long numSmallAllocations();
/**
* Return the number of normal allocations done via the arena.
*/
long numNormalAllocations();
/**
* Return the number of huge allocations done via the arena.
*/
long numHugeAllocations();
/**
* Return the number of deallocations done via the arena. This includes all sizes.
*/
long numDeallocations();
/**
* Return the number of tiny deallocations done via the arena.
*
* @deprecated Tiny deallocations have been merged into small deallocations.
*/
@Deprecated
long numTinyDeallocations();
/**
* Return the number of small deallocations done via the arena.
*/
long numSmallDeallocations();
/**
* Return the number of normal deallocations done via the arena.
*/
long numNormalDeallocations();
/**
* Return the number of huge deallocations done via the arena.
*/
long numHugeDeallocations();
/**
* Return the number of currently active allocations.
*/
long numActiveAllocations();
/**
* Return the number of currently active tiny allocations.
*
* @deprecated Tiny allocations have been merged into small allocations.
*/
@Deprecated
long numActiveTinyAllocations();
/**
* Return the number of currently active small allocations.
*/
long numActiveSmallAllocations();
/**
* Return the number of currently active normal allocations.
*/
long numActiveNormalAllocations();
/**
* Return the number of currently active huge allocations.
*/
long numActiveHugeAllocations();
/**
* Return the number of active bytes that are currently allocated by the arena.
*/
long numActiveBytes();
}