155714Skris/* 255714Skris * CDDL HEADER START 355714Skris * 455714Skris * The contents of this file are subject to the terms of the 555714Skris * Common Development and Distribution License (the "License"). 655714Skris * You may not use this file except in compliance with the License. 755714Skris * 8280304Sjkim * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 955714Skris * or http://www.opensolaris.org/os/licensing. 1055714Skris * See the License for the specific language governing permissions 1155714Skris * and limitations under the License. 1255714Skris * 1355714Skris * When distributing Covered Code, include this CDDL HEADER in each 1455714Skris * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15280304Sjkim * If applicable, add the following below this CDDL HEADER, with the 1655714Skris * fields enclosed by brackets "[]" replaced with your own identifying 1755714Skris * information: Portions Copyright [yyyy] [name of copyright owner] 1855714Skris * 1955714Skris * CDDL HEADER END 2055714Skris */ 2155714Skris/* 22280304Sjkim * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. 2355714Skris */ 2455714Skris 2555714Skris#include <assert.h> 2655714Skris#include <sys/zfs_context.h> 2755714Skris#include <sys/avl.h> 2855714Skris#include <string.h> 2955714Skris#include <stdio.h> 3055714Skris#include <stdlib.h> 3155714Skris#include <sys/spa.h> 3255714Skris#include <sys/fs/zfs.h> 3355714Skris#include <sys/refcount.h> 3455714Skris 3555714Skris/* 3655714Skris * Routines needed by more than one client of libzpool. 37280304Sjkim */ 3855714Skris 3955714Skrisvoid 40280304Sjkimnicenum(uint64_t num, char *buf) 4155714Skris{ 4255714Skris uint64_t n = num; 4355714Skris int index = 0; 4455714Skris char u; 4555714Skris 4655714Skris while (n >= 1024) { 4755714Skris n = (n + (1024 / 2)) / 1024; /* Round up or down */ 4855714Skris index++; 4955714Skris } 5055714Skris 5155714Skris u = " KMGTPE"[index]; 52280304Sjkim 5355714Skris if (index == 0) { 5455714Skris (void) sprintf(buf, "%llu", (u_longlong_t)n); 5555714Skris } else if (n < 10 && (num & (num - 1)) != 0) { 5655714Skris (void) sprintf(buf, "%.2f%c", 5755714Skris (double)num / (1ULL << 10 * index), u); 5859191Skris } else if (n < 100 && (num & (num - 1)) != 0) { 59100928Snectar (void) sprintf(buf, "%.1f%c", 6059191Skris (double)num / (1ULL << 10 * index), u); 6159191Skris } else { 6259191Skris (void) sprintf(buf, "%llu%c", (u_longlong_t)n, u); 6359191Skris } 6459191Skris} 6559191Skris 66280304Sjkimstatic void 6759191Skrisshow_vdev_stats(const char *desc, const char *ctype, nvlist_t *nv, int indent) 6859191Skris{ 6959191Skris vdev_stat_t *vs; 7059191Skris vdev_stat_t v0 = { 0 }; 7159191Skris uint64_t sec; 7259191Skris uint64_t is_log = 0; 7359191Skris nvlist_t **child; 7459191Skris uint_t c, children; 7559191Skris char used[6], avail[6]; 7659191Skris char rops[6], wops[6], rbytes[6], wbytes[6], rerr[6], werr[6], cerr[6]; 7759191Skris char *prefix = ""; 7859191Skris 7959191Skris if (indent == 0 && desc != NULL) { 8059191Skris (void) printf(" " 8159191Skris " capacity operations bandwidth ---- errors ----\n"); 8259191Skris (void) printf("description " 8359191Skris "used avail read write read write read write cksum\n"); 8459191Skris } 8559191Skris 8659191Skris if (desc != NULL) { 8759191Skris (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_IS_LOG, &is_log); 8859191Skris 8959191Skris if (is_log) 9059191Skris prefix = "log "; 9159191Skris 9259191Skris if (nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_VDEV_STATS, 9359191Skris (uint64_t **)&vs, &c) != 0) 9459191Skris vs = &v0; 9559191Skris 9659191Skris sec = MAX(1, vs->vs_timestamp / NANOSEC); 9759191Skris 9859191Skris nicenum(vs->vs_alloc, used); 9959191Skris nicenum(vs->vs_space - vs->vs_alloc, avail); 10059191Skris nicenum(vs->vs_ops[ZIO_TYPE_READ] / sec, rops); 10159191Skris nicenum(vs->vs_ops[ZIO_TYPE_WRITE] / sec, wops); 10259191Skris nicenum(vs->vs_bytes[ZIO_TYPE_READ] / sec, rbytes); 10359191Skris nicenum(vs->vs_bytes[ZIO_TYPE_WRITE] / sec, wbytes); 10459191Skris nicenum(vs->vs_read_errors, rerr); 10559191Skris nicenum(vs->vs_write_errors, werr); 10659191Skris nicenum(vs->vs_checksum_errors, cerr); 10759191Skris 10859191Skris (void) printf("%*s%s%*s%*s%*s %5s %5s %5s %5s %5s %5s %5s\n", 10959191Skris indent, "", 11059191Skris prefix, 11155714Skris indent + strlen(prefix) - 25 - (vs->vs_space ? 0 : 12), 11255714Skris desc, 113267258Sjkim vs->vs_space ? 6 : 0, vs->vs_space ? used : "", 11455714Skris vs->vs_space ? 6 : 0, vs->vs_space ? avail : "", 11555714Skris rops, wops, rbytes, wbytes, rerr, werr, cerr); 116109998Smarkm } 11755714Skris 11855714Skris if (nvlist_lookup_nvlist_array(nv, ctype, &child, &children) != 0) 119238405Sjkim return; 12055714Skris 12155714Skris for (c = 0; c < children; c++) { 122280304Sjkim nvlist_t *cnv = child[c]; 12355714Skris char *cname, *tname; 12459191Skris uint64_t np; 125160814Ssimon if (nvlist_lookup_string(cnv, ZPOOL_CONFIG_PATH, &cname) && 126280304Sjkim nvlist_lookup_string(cnv, ZPOOL_CONFIG_TYPE, &cname)) 127280304Sjkim cname = "<unknown>"; 128280304Sjkim tname = calloc(1, strlen(cname) + 2); 129280304Sjkim (void) strcpy(tname, cname); 130280304Sjkim if (nvlist_lookup_uint64(cnv, ZPOOL_CONFIG_NPARITY, &np) == 0) 131280304Sjkim tname[strlen(tname)] = '0' + np; 132280304Sjkim show_vdev_stats(tname, ctype, cnv, indent + 2); 133280304Sjkim free(tname); 134280304Sjkim } 135280304Sjkim} 136280304Sjkim 137280304Sjkimvoid 13855714Skrisshow_pool_stats(spa_t *spa) 139280304Sjkim{ 140280304Sjkim nvlist_t *config, *nvroot; 141238405Sjkim char *name; 142280304Sjkim 143280304Sjkim VERIFY(spa_get_stats(spa_name(spa), &config, NULL, 0) == 0); 144280304Sjkim 145280304Sjkim VERIFY(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 146238405Sjkim &nvroot) == 0); 147280304Sjkim VERIFY(nvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME, 148238405Sjkim &name) == 0); 149280304Sjkim 150280304Sjkim show_vdev_stats(name, ZPOOL_CONFIG_CHILDREN, nvroot, 0); 151238405Sjkim show_vdev_stats(NULL, ZPOOL_CONFIG_L2CACHE, nvroot, 0); 152238405Sjkim show_vdev_stats(NULL, ZPOOL_CONFIG_SPARES, nvroot, 0); 153280304Sjkim 154280304Sjkim nvlist_free(config); 155280304Sjkim} 156280304Sjkim