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