| /* |
| * Copyright (C) 2017, Google Inc. |
| * and other copyright owners as documented in the project's IP log. |
| * |
| * This program and the accompanying materials are made available |
| * under the terms of the Eclipse Distribution License v1.0 which |
| * accompanies this distribution, is reproduced below, and is |
| * available at http://www.eclipse.org/org/documents/edl-v10.php |
| * |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or |
| * without modification, are permitted provided that the following |
| * conditions are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * - Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and/or other materials provided |
| * with the distribution. |
| * |
| * - Neither the name of the Eclipse Foundation, Inc. nor the |
| * names of its contributors may be used to endorse or promote |
| * products derived from this software without specific prior |
| * written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND |
| * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, |
| * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
| * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| package org.eclipse.jgit.internal.storage.dfs; |
| |
| /** |
| * IO statistics for a {@link org.eclipse.jgit.internal.storage.dfs.DfsReader}. |
| */ |
| public class DfsReaderIoStats { |
| /** POJO to accumulate IO statistics. */ |
| public static class Accumulator { |
| /** Number of times the reader explicitly called scanPacks. */ |
| long scanPacks; |
| |
| /** Total number of complete pack indexes read into memory. */ |
| long readIdx; |
| |
| /** Total number of complete bitmap indexes read into memory. */ |
| long readBitmap; |
| |
| /** Total number of bytes read from indexes. */ |
| long readIdxBytes; |
| |
| /** Total microseconds spent reading pack or bitmap indexes. */ |
| long readIdxMicros; |
| |
| /** Total number of block cache hits. */ |
| long blockCacheHit; |
| |
| /** |
| * Total number of discrete blocks actually read from pack file(s), that is, |
| * block cache misses. |
| */ |
| long readBlock; |
| |
| /** |
| * Total number of compressed bytes read during cache misses, as block sized |
| * units. |
| */ |
| long readBlockBytes; |
| |
| /** Total microseconds spent reading {@link #readBlock} blocks. */ |
| long readBlockMicros; |
| |
| /** Total number of bytes decompressed. */ |
| long inflatedBytes; |
| |
| Accumulator() { |
| } |
| } |
| |
| private final Accumulator stats; |
| |
| DfsReaderIoStats(Accumulator stats) { |
| this.stats = stats; |
| } |
| |
| /** |
| * Get number of times the reader explicitly called scanPacks. |
| * |
| * @return number of times the reader explicitly called scanPacks. |
| */ |
| public long getScanPacks() { |
| return stats.scanPacks; |
| } |
| |
| /** |
| * Get total number of complete pack indexes read into memory. |
| * |
| * @return total number of complete pack indexes read into memory. |
| */ |
| public long getReadPackIndexCount() { |
| return stats.readIdx; |
| } |
| |
| /** |
| * Get total number of complete bitmap indexes read into memory. |
| * |
| * @return total number of complete bitmap indexes read into memory. |
| */ |
| public long getReadBitmapIndexCount() { |
| return stats.readBitmap; |
| } |
| |
| /** |
| * Get total number of bytes read from indexes. |
| * |
| * @return total number of bytes read from indexes. |
| */ |
| public long getReadIndexBytes() { |
| return stats.readIdxBytes; |
| } |
| |
| /** |
| * Get total microseconds spent reading pack or bitmap indexes. |
| * |
| * @return total microseconds spent reading pack or bitmap indexes. |
| */ |
| public long getReadIndexMicros() { |
| return stats.readIdxMicros; |
| } |
| |
| /** |
| * Get total number of block cache hits. |
| * |
| * @return total number of block cache hits. |
| */ |
| public long getBlockCacheHits() { |
| return stats.blockCacheHit; |
| } |
| |
| /** |
| * Get total number of discrete blocks actually read from pack file(s), that |
| * is, block cache misses. |
| * |
| * @return total number of discrete blocks read from pack file(s). |
| */ |
| public long getReadBlocksCount() { |
| return stats.readBlock; |
| } |
| |
| /** |
| * Get total number of compressed bytes read during cache misses, as block |
| * sized units. |
| * |
| * @return total number of compressed bytes read as block sized units. |
| */ |
| public long getReadBlocksBytes() { |
| return stats.readBlockBytes; |
| } |
| |
| /** |
| * Get total microseconds spent reading blocks during cache misses. |
| * |
| * @return total microseconds spent reading blocks. |
| */ |
| public long getReadBlocksMicros() { |
| return stats.readBlockMicros; |
| } |
| |
| /** |
| * Get total number of bytes decompressed. |
| * |
| * @return total number of bytes decompressed. |
| */ |
| public long getInflatedBytes() { |
| return stats.inflatedBytes; |
| } |
| } |