1 // SPDX-License-Identifier: CDDL-1.0 2 /* 3 * CDDL HEADER START 4 * 5 * The contents of this file are subject to the terms of the 6 * Common Development and Distribution License (the "License"). 7 * You may not use this file except in compliance with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or https://opensource.org/licenses/CDDL-1.0. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 23 /* 24 * Copyright (c) 2018 by Delphix. All rights reserved. 25 * Copyright (c) 2018 Datto Inc. 26 */ 27 28 #ifndef _SYS_DATASET_KSTATS_H 29 #define _SYS_DATASET_KSTATS_H 30 31 #include <sys/wmsum.h> 32 #include <sys/dmu.h> 33 #include <sys/kstat.h> 34 #include <sys/zil.h> 35 36 typedef struct dataset_sum_stats_t { 37 wmsum_t dss_writes; 38 wmsum_t dss_nwritten; 39 wmsum_t dss_reads; 40 wmsum_t dss_nread; 41 wmsum_t dss_nunlinks; 42 wmsum_t dss_nunlinked; 43 } dataset_sum_stats_t; 44 45 typedef struct dataset_kstat_values { 46 kstat_named_t dkv_ds_name; 47 kstat_named_t dkv_writes; 48 kstat_named_t dkv_nwritten; 49 kstat_named_t dkv_reads; 50 kstat_named_t dkv_nread; 51 /* 52 * nunlinks is initialized to the unlinked set size on mount and 53 * is incremented whenever a new entry is added to the unlinked set 54 */ 55 kstat_named_t dkv_nunlinks; 56 /* 57 * nunlinked is initialized to zero on mount and is incremented when an 58 * entry is removed from the unlinked set 59 */ 60 kstat_named_t dkv_nunlinked; 61 /* 62 * Per dataset zil kstats 63 */ 64 zil_kstat_values_t dkv_zil_stats; 65 } dataset_kstat_values_t; 66 67 typedef struct dataset_kstats { 68 dataset_sum_stats_t dk_sums; 69 zil_sums_t dk_zil_sums; 70 kstat_t *dk_kstats; 71 } dataset_kstats_t; 72 73 int dataset_kstats_create(dataset_kstats_t *, objset_t *); 74 void dataset_kstats_destroy(dataset_kstats_t *); 75 void dataset_kstats_rename(dataset_kstats_t *dk, const char *); 76 77 void dataset_kstats_update_write_kstats(dataset_kstats_t *, int64_t); 78 void dataset_kstats_update_read_kstats(dataset_kstats_t *, int64_t); 79 80 void dataset_kstats_update_nunlinks_kstat(dataset_kstats_t *, int64_t); 81 void dataset_kstats_update_nunlinked_kstat(dataset_kstats_t *, int64_t); 82 83 #endif /* _SYS_DATASET_KSTATS_H */ 84