linux/drivers/md/dm-vdo/statistics.h

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Copyright 2023 Red Hat
 */

#ifndef STATISTICS_H
#define STATISTICS_H

#include "types.h"

enum { … };

struct block_allocator_statistics { … };

/**
 * Counters for tracking the number of items written (blocks, requests, etc.)
 * that keep track of totals at steps in the write pipeline. Three counters
 * allow the number of buffered, in-memory items and the number of in-flight,
 * unacknowledged writes to be derived, while still tracking totals for
 * reporting purposes
 */
struct commit_statistics { … };

/** Counters for events in the recovery journal */
struct recovery_journal_statistics { … };

/** The statistics for the compressed block packer. */
struct packer_statistics { … };

/** The statistics for the slab journals. */
struct slab_journal_statistics { … };

/** The statistics for the slab summary. */
struct slab_summary_statistics { … };

/** The statistics for the reference counts. */
struct ref_counts_statistics { … };

/** The statistics for the block map. */
struct block_map_statistics { … };

/** The dedupe statistics from hash locks */
struct hash_lock_statistics { … };

/** Counts of error conditions in VDO. */
struct error_statistics { … };

struct bio_stats { … };

struct memory_usage { … };

/** UDS index statistics */
struct index_statistics { … };

/** The statistics of the vdo service. */
struct vdo_statistics { … };

#endif /* not STATISTICS_H */