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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or https://opensource.org/licenses/CDDL-1.0.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 2018 by Delphix. All rights reserved.
* Copyright (c) 2018 Datto Inc.
*/
#ifndef _SYS_DATASET_KSTATS_H
#define _SYS_DATASET_KSTATS_H
#include <sys/wmsum.h>
#include <sys/dmu.h>
#include <sys/kstat.h>
#include <sys/zil.h>
typedef struct dataset_sum_stats_t {
wmsum_t dss_writes;
wmsum_t dss_nwritten;
wmsum_t dss_reads;
wmsum_t dss_nread;
wmsum_t dss_nunlinks;
wmsum_t dss_nunlinked;
} dataset_sum_stats_t;
typedef struct dataset_kstat_values {
kstat_named_t dkv_ds_name;
kstat_named_t dkv_writes;
kstat_named_t dkv_nwritten;
kstat_named_t dkv_reads;
kstat_named_t dkv_nread;
/*
* nunlinks is initialized to the unlinked set size on mount and
* is incremented whenever a new entry is added to the unlinked set
*/
kstat_named_t dkv_nunlinks;
/*
* nunlinked is initialized to zero on mount and is incremented when an
* entry is removed from the unlinked set
*/
kstat_named_t dkv_nunlinked;
/*
* Per dataset zil kstats
*/
zil_kstat_values_t dkv_zil_stats;
} dataset_kstat_values_t;
typedef struct dataset_kstats {
dataset_sum_stats_t dk_sums;
zil_sums_t dk_zil_sums;
kstat_t *dk_kstats;
} dataset_kstats_t;
int dataset_kstats_create(dataset_kstats_t *, objset_t *);
void dataset_kstats_destroy(dataset_kstats_t *);
void dataset_kstats_update_write_kstats(dataset_kstats_t *, int64_t);
void dataset_kstats_update_read_kstats(dataset_kstats_t *, int64_t);
void dataset_kstats_update_nunlinks_kstat(dataset_kstats_t *, int64_t);
void dataset_kstats_update_nunlinked_kstat(dataset_kstats_t *, int64_t);
#endif /* _SYS_DATASET_KSTATS_H */
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