mirror of
https://git.proxmox.com/git/mirror_zfs.git
synced 2026-01-15 01:32:04 +03:00
76 lines
2.0 KiB
C
76 lines
2.0 KiB
C
|
// SPDX-License-Identifier: CDDL-1.0
|
||
|
|
/*
|
||
|
|
* 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) 2024 Klara Inc.
|
||
|
|
*
|
||
|
|
* This software was developed by
|
||
|
|
* Mariusz Zaborski <mariusz.zaborski@klarasystems.com>
|
||
|
|
* Fred Weigel <fred.weigel@klarasystems.com>
|
||
|
|
* under sponsorship from Wasabi Technology, Inc. and Klara Inc.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef _CRRD_H_
|
||
|
|
#define _CRRD_H_
|
||
|
|
|
||
|
|
#define RRD_MAX_ENTRIES 256
|
||
|
|
|
||
|
|
#define RRD_ENTRY_SIZE sizeof (uint64_t)
|
||
|
|
#define RRD_STRUCT_ELEM (sizeof (rrd_t) / RRD_ENTRY_SIZE)
|
||
|
|
|
||
|
|
typedef enum {
|
||
|
|
DBRRD_FLOOR,
|
||
|
|
DBRRD_CEILING
|
||
|
|
} dbrrd_rounding_t;
|
||
|
|
|
||
|
|
typedef struct {
|
||
|
|
uint64_t rrdd_time;
|
||
|
|
uint64_t rrdd_txg;
|
||
|
|
} rrd_data_t;
|
||
|
|
|
||
|
|
typedef struct {
|
||
|
|
uint64_t rrd_head; /* head (beginning) */
|
||
|
|
uint64_t rrd_tail; /* tail (end) */
|
||
|
|
uint64_t rrd_length;
|
||
|
|
|
||
|
|
rrd_data_t rrd_entries[RRD_MAX_ENTRIES];
|
||
|
|
} rrd_t;
|
||
|
|
|
||
|
|
typedef struct {
|
||
|
|
rrd_t dbr_minutes;
|
||
|
|
rrd_t dbr_days;
|
||
|
|
rrd_t dbr_months;
|
||
|
|
} dbrrd_t;
|
||
|
|
|
||
|
|
size_t rrd_len(rrd_t *rrd);
|
||
|
|
|
||
|
|
const rrd_data_t *rrd_entry(rrd_t *r, size_t i);
|
||
|
|
rrd_data_t *rrd_tail_entry(rrd_t *rrd);
|
||
|
|
uint64_t rrd_tail(rrd_t *rrd);
|
||
|
|
uint64_t rrd_get(rrd_t *rrd, size_t i);
|
||
|
|
|
||
|
|
void rrd_add(rrd_t *rrd, hrtime_t time, uint64_t txg);
|
||
|
|
|
||
|
|
void dbrrd_add(dbrrd_t *db, hrtime_t time, uint64_t txg);
|
||
|
|
uint64_t dbrrd_query(dbrrd_t *r, hrtime_t tv, dbrrd_rounding_t rouding);
|
||
|
|
|
||
|
|
#endif
|