| /* |
| * Copyright (C) 2017, Google Inc. and others |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Distribution License v. 1.0 which is available at |
| * https://www.eclipse.org/org/documents/edl-v10.php. |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| */ |
| |
| 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; |
| |
| /** Total microseconds spent inflating compressed bytes. */ |
| long inflationMicros; |
| |
| 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; |
| } |
| |
| /** |
| * Get total microseconds spent inflating compressed bytes. |
| * |
| * @return total microseconds inflating compressed bytes. |
| */ |
| public long getInflationMicros() { |
| return stats.inflationMicros; |
| } |
| } |