PoolArenaMetric Type — netty Architecture

Source Code

buffer/src/main/java/io/netty/buffer/PoolArenaMetric.java lines 24–176

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<PoolSubpageMetric> tinySubpages();

    /**
     * Returns an unmodifiable {@link List} which holds {@link PoolSubpageMetric}s for small sub-pages.
     */
    List<PoolSubpageMetric> smallSubpages();

    /**
     * Returns an unmodifiable {@link List} which holds {@link PoolChunkListMetric}s.
     */
    List<PoolChunkListMetric> 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 chunks allocations done via the arena, or -1 if not defined.
     */
    default long numChunkAllocations() {
        return -1;
    }

    /**
     * Return the number of deallocations done via the arena. This includes all sizes.
     */