1168404Spjd/* 2168404Spjd * CDDL HEADER START 3168404Spjd * 4168404Spjd * The contents of this file are subject to the terms of the 5168404Spjd * Common Development and Distribution License (the "License"). 6168404Spjd * You may not use this file except in compliance with the License. 7168404Spjd * 8168404Spjd * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9168404Spjd * or http://www.opensolaris.org/os/licensing. 10168404Spjd * See the License for the specific language governing permissions 11168404Spjd * and limitations under the License. 12168404Spjd * 13168404Spjd * When distributing Covered Code, include this CDDL HEADER in each 14168404Spjd * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15168404Spjd * If applicable, add the following below this CDDL HEADER, with the 16168404Spjd * fields enclosed by brackets "[]" replaced with your own identifying 17168404Spjd * information: Portions Copyright [yyyy] [name of copyright owner] 18168404Spjd * 19168404Spjd * CDDL HEADER END 20168404Spjd */ 21168404Spjd/* 22219089Spjd * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. 23168404Spjd */ 24168404Spjd 25168404Spjd#include <assert.h> 26168404Spjd#include <sys/zfs_context.h> 27168404Spjd#include <sys/avl.h> 28168404Spjd#include <string.h> 29168404Spjd#include <stdio.h> 30168404Spjd#include <stdlib.h> 31168404Spjd#include <sys/spa.h> 32168404Spjd#include <sys/fs/zfs.h> 33168404Spjd#include <sys/refcount.h> 34168404Spjd 35168404Spjd/* 36168404Spjd * Routines needed by more than one client of libzpool. 37168404Spjd */ 38168404Spjd 39168404Spjdvoid 40168404Spjdnicenum(uint64_t num, char *buf) 41168404Spjd{ 42168404Spjd uint64_t n = num; 43168404Spjd int index = 0; 44168404Spjd char u; 45168404Spjd 46168404Spjd while (n >= 1024) { 47168404Spjd n = (n + (1024 / 2)) / 1024; /* Round up or down */ 48168404Spjd index++; 49168404Spjd } 50168404Spjd 51168404Spjd u = " KMGTPE"[index]; 52168404Spjd 53168404Spjd if (index == 0) { 54168404Spjd (void) sprintf(buf, "%llu", (u_longlong_t)n); 55168404Spjd } else if (n < 10 && (num & (num - 1)) != 0) { 56168404Spjd (void) sprintf(buf, "%.2f%c", 57168404Spjd (double)num / (1ULL << 10 * index), u); 58168404Spjd } else if (n < 100 && (num & (num - 1)) != 0) { 59168404Spjd (void) sprintf(buf, "%.1f%c", 60168404Spjd (double)num / (1ULL << 10 * index), u); 61168404Spjd } else { 62168404Spjd (void) sprintf(buf, "%llu%c", (u_longlong_t)n, u); 63168404Spjd } 64168404Spjd} 65168404Spjd 66168404Spjdstatic void 67185029Spjdshow_vdev_stats(const char *desc, const char *ctype, nvlist_t *nv, int indent) 68168404Spjd{ 69185029Spjd vdev_stat_t *vs; 70185029Spjd vdev_stat_t v0 = { 0 }; 71185029Spjd uint64_t sec; 72185029Spjd uint64_t is_log = 0; 73168404Spjd nvlist_t **child; 74168404Spjd uint_t c, children; 75168404Spjd char used[6], avail[6]; 76168404Spjd char rops[6], wops[6], rbytes[6], wbytes[6], rerr[6], werr[6], cerr[6]; 77185029Spjd char *prefix = ""; 78168404Spjd 79185029Spjd if (indent == 0 && desc != NULL) { 80185029Spjd (void) printf(" " 81168404Spjd " capacity operations bandwidth ---- errors ----\n"); 82185029Spjd (void) printf("description " 83168404Spjd "used avail read write read write read write cksum\n"); 84168404Spjd } 85168404Spjd 86185029Spjd if (desc != NULL) { 87185029Spjd (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_IS_LOG, &is_log); 88168404Spjd 89185029Spjd if (is_log) 90185029Spjd prefix = "log "; 91168404Spjd 92219089Spjd if (nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_VDEV_STATS, 93185029Spjd (uint64_t **)&vs, &c) != 0) 94185029Spjd vs = &v0; 95168404Spjd 96185029Spjd sec = MAX(1, vs->vs_timestamp / NANOSEC); 97168404Spjd 98185029Spjd nicenum(vs->vs_alloc, used); 99185029Spjd nicenum(vs->vs_space - vs->vs_alloc, avail); 100185029Spjd nicenum(vs->vs_ops[ZIO_TYPE_READ] / sec, rops); 101185029Spjd nicenum(vs->vs_ops[ZIO_TYPE_WRITE] / sec, wops); 102185029Spjd nicenum(vs->vs_bytes[ZIO_TYPE_READ] / sec, rbytes); 103185029Spjd nicenum(vs->vs_bytes[ZIO_TYPE_WRITE] / sec, wbytes); 104185029Spjd nicenum(vs->vs_read_errors, rerr); 105185029Spjd nicenum(vs->vs_write_errors, werr); 106185029Spjd nicenum(vs->vs_checksum_errors, cerr); 107185029Spjd 108185029Spjd (void) printf("%*s%s%*s%*s%*s %5s %5s %5s %5s %5s %5s %5s\n", 109185029Spjd indent, "", 110185029Spjd prefix, 111185029Spjd indent + strlen(prefix) - 25 - (vs->vs_space ? 0 : 12), 112185029Spjd desc, 113185029Spjd vs->vs_space ? 6 : 0, vs->vs_space ? used : "", 114185029Spjd vs->vs_space ? 6 : 0, vs->vs_space ? avail : "", 115185029Spjd rops, wops, rbytes, wbytes, rerr, werr, cerr); 116185029Spjd } 117185029Spjd 118185029Spjd if (nvlist_lookup_nvlist_array(nv, ctype, &child, &children) != 0) 119168404Spjd return; 120168404Spjd 121168404Spjd for (c = 0; c < children; c++) { 122168404Spjd nvlist_t *cnv = child[c]; 123168404Spjd char *cname, *tname; 124168404Spjd uint64_t np; 125168404Spjd if (nvlist_lookup_string(cnv, ZPOOL_CONFIG_PATH, &cname) && 126168404Spjd nvlist_lookup_string(cnv, ZPOOL_CONFIG_TYPE, &cname)) 127168404Spjd cname = "<unknown>"; 128168404Spjd tname = calloc(1, strlen(cname) + 2); 129168404Spjd (void) strcpy(tname, cname); 130168404Spjd if (nvlist_lookup_uint64(cnv, ZPOOL_CONFIG_NPARITY, &np) == 0) 131168404Spjd tname[strlen(tname)] = '0' + np; 132185029Spjd show_vdev_stats(tname, ctype, cnv, indent + 2); 133168404Spjd free(tname); 134168404Spjd } 135168404Spjd} 136168404Spjd 137168404Spjdvoid 138168404Spjdshow_pool_stats(spa_t *spa) 139168404Spjd{ 140168404Spjd nvlist_t *config, *nvroot; 141168404Spjd char *name; 142168404Spjd 143185029Spjd VERIFY(spa_get_stats(spa_name(spa), &config, NULL, 0) == 0); 144168404Spjd 145168404Spjd VERIFY(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 146168404Spjd &nvroot) == 0); 147168404Spjd VERIFY(nvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME, 148168404Spjd &name) == 0); 149168404Spjd 150185029Spjd show_vdev_stats(name, ZPOOL_CONFIG_CHILDREN, nvroot, 0); 151185029Spjd show_vdev_stats(NULL, ZPOOL_CONFIG_L2CACHE, nvroot, 0); 152185029Spjd show_vdev_stats(NULL, ZPOOL_CONFIG_SPARES, nvroot, 0); 153185029Spjd 154185029Spjd nvlist_free(config); 155168404Spjd} 156