1fa9e4066Sahrens /* 2fa9e4066Sahrens * CDDL HEADER START 3fa9e4066Sahrens * 4fa9e4066Sahrens * The contents of this file are subject to the terms of the 5*ea8dc4b6Seschrock * Common Development and Distribution License (the "License"). 6*ea8dc4b6Seschrock * You may not use this file except in compliance with the License. 7fa9e4066Sahrens * 8fa9e4066Sahrens * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9fa9e4066Sahrens * or http://www.opensolaris.org/os/licensing. 10fa9e4066Sahrens * See the License for the specific language governing permissions 11fa9e4066Sahrens * and limitations under the License. 12fa9e4066Sahrens * 13fa9e4066Sahrens * When distributing Covered Code, include this CDDL HEADER in each 14fa9e4066Sahrens * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15fa9e4066Sahrens * If applicable, add the following below this CDDL HEADER, with the 16fa9e4066Sahrens * fields enclosed by brackets "[]" replaced with your own identifying 17fa9e4066Sahrens * information: Portions Copyright [yyyy] [name of copyright owner] 18fa9e4066Sahrens * 19fa9e4066Sahrens * CDDL HEADER END 20fa9e4066Sahrens */ 21fa9e4066Sahrens /* 22*ea8dc4b6Seschrock * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 23fa9e4066Sahrens * Use is subject to license terms. 24fa9e4066Sahrens */ 25fa9e4066Sahrens 26fa9e4066Sahrens #pragma ident "%Z%%M% %I% %E% SMI" 27fa9e4066Sahrens 28fa9e4066Sahrens #include <assert.h> 29fa9e4066Sahrens #include <sys/zfs_context.h> 30fa9e4066Sahrens #include <sys/avl.h> 31fa9e4066Sahrens #include <string.h> 32fa9e4066Sahrens #include <stdio.h> 33fa9e4066Sahrens #include <stdlib.h> 34fa9e4066Sahrens #include <sys/spa.h> 35fa9e4066Sahrens #include <sys/fs/zfs.h> 36*ea8dc4b6Seschrock #include <sys/refcount.h> 37fa9e4066Sahrens 38fa9e4066Sahrens /* 39fa9e4066Sahrens * Routines needed by more than one client of libzpool. 40fa9e4066Sahrens */ 41fa9e4066Sahrens 42fa9e4066Sahrens void 43fa9e4066Sahrens nicenum(uint64_t num, char *buf) 44fa9e4066Sahrens { 45fa9e4066Sahrens uint64_t n = num; 46fa9e4066Sahrens int index = 0; 47fa9e4066Sahrens char u; 48fa9e4066Sahrens 49fa9e4066Sahrens while (n >= 1024) { 50fa9e4066Sahrens n = (n + (1024 / 2)) / 1024; /* Round up or down */ 51fa9e4066Sahrens index++; 52fa9e4066Sahrens } 53fa9e4066Sahrens 54fa9e4066Sahrens u = " KMGTPE"[index]; 55fa9e4066Sahrens 56fa9e4066Sahrens if (index == 0) { 57fa9e4066Sahrens (void) sprintf(buf, "%llu", (u_longlong_t)n); 58fa9e4066Sahrens } else if (n < 10 && (num & (num - 1)) != 0) { 59fa9e4066Sahrens (void) sprintf(buf, "%.2f%c", 60fa9e4066Sahrens (double)num / (1ULL << 10 * index), u); 61fa9e4066Sahrens } else if (n < 100 && (num & (num - 1)) != 0) { 62fa9e4066Sahrens (void) sprintf(buf, "%.1f%c", 63fa9e4066Sahrens (double)num / (1ULL << 10 * index), u); 64fa9e4066Sahrens } else { 65fa9e4066Sahrens (void) sprintf(buf, "%llu%c", (u_longlong_t)n, u); 66fa9e4066Sahrens } 67fa9e4066Sahrens } 68fa9e4066Sahrens 69fa9e4066Sahrens static void 70fa9e4066Sahrens show_vdev_stats(const char *desc, nvlist_t *nv, int indent) 71fa9e4066Sahrens { 72fa9e4066Sahrens nvlist_t **child; 73fa9e4066Sahrens uint_t c, children; 74fa9e4066Sahrens vdev_stat_t *vs; 75fa9e4066Sahrens uint64_t sec; 76fa9e4066Sahrens char used[6], avail[6]; 77fa9e4066Sahrens char rops[6], wops[6], rbytes[6], wbytes[6], rerr[6], werr[6], cerr[6]; 78fa9e4066Sahrens 79fa9e4066Sahrens if (indent == 0) { 80fa9e4066Sahrens (void) printf(" " 81fa9e4066Sahrens " capacity operations bandwidth ---- errors ----\n"); 82fa9e4066Sahrens (void) printf("description " 83fa9e4066Sahrens "used avail read write read write read write cksum\n"); 84fa9e4066Sahrens } 85fa9e4066Sahrens 86fa9e4066Sahrens VERIFY(nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_STATS, 87fa9e4066Sahrens (uint64_t **)&vs, &c) == 0); 88fa9e4066Sahrens 89fa9e4066Sahrens sec = MAX(1, vs->vs_timestamp / NANOSEC); 90fa9e4066Sahrens 91fa9e4066Sahrens nicenum(vs->vs_alloc, used); 92fa9e4066Sahrens nicenum(vs->vs_space - vs->vs_alloc, avail); 93fa9e4066Sahrens nicenum(vs->vs_ops[ZIO_TYPE_READ] / sec, rops); 94fa9e4066Sahrens nicenum(vs->vs_ops[ZIO_TYPE_WRITE] / sec, wops); 95fa9e4066Sahrens nicenum(vs->vs_bytes[ZIO_TYPE_READ] / sec, rbytes); 96fa9e4066Sahrens nicenum(vs->vs_bytes[ZIO_TYPE_WRITE] / sec, wbytes); 97fa9e4066Sahrens nicenum(vs->vs_read_errors, rerr); 98fa9e4066Sahrens nicenum(vs->vs_write_errors, werr); 99fa9e4066Sahrens nicenum(vs->vs_checksum_errors, cerr); 100fa9e4066Sahrens 101fa9e4066Sahrens (void) printf("%*s%*s%*s%*s %5s %5s %5s %5s %5s %5s %5s\n", 102fa9e4066Sahrens indent, "", 103fa9e4066Sahrens indent - 19 - (vs->vs_space ? 0 : 12), desc, 104fa9e4066Sahrens vs->vs_space ? 6 : 0, vs->vs_space ? used : "", 105fa9e4066Sahrens vs->vs_space ? 6 : 0, vs->vs_space ? avail : "", 106fa9e4066Sahrens rops, wops, rbytes, wbytes, rerr, werr, cerr); 107fa9e4066Sahrens 108fa9e4066Sahrens if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 109fa9e4066Sahrens &child, &children) != 0) 110fa9e4066Sahrens return; 111fa9e4066Sahrens 112fa9e4066Sahrens for (c = 0; c < children; c++) { 113fa9e4066Sahrens nvlist_t *cnv = child[c]; 114fa9e4066Sahrens char *cname; 115fa9e4066Sahrens if (nvlist_lookup_string(cnv, ZPOOL_CONFIG_PATH, &cname) && 116fa9e4066Sahrens nvlist_lookup_string(cnv, ZPOOL_CONFIG_TYPE, &cname)) 117fa9e4066Sahrens cname = "<unknown>"; 118fa9e4066Sahrens show_vdev_stats(cname, cnv, indent + 2); 119fa9e4066Sahrens } 120fa9e4066Sahrens } 121fa9e4066Sahrens 122fa9e4066Sahrens void 123fa9e4066Sahrens show_pool_stats(spa_t *spa) 124fa9e4066Sahrens { 125fa9e4066Sahrens nvlist_t *config = NULL; 126fa9e4066Sahrens nvlist_t *nvroot = NULL; 127fa9e4066Sahrens 128*ea8dc4b6Seschrock spa_config_enter(spa, RW_READER, FTAG); 129*ea8dc4b6Seschrock VERIFY(spa_get_stats(spa_name(spa), &config, NULL, 0) == 0); 130fa9e4066Sahrens VERIFY(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 131fa9e4066Sahrens &nvroot) == 0); 132fa9e4066Sahrens 133fa9e4066Sahrens show_vdev_stats(spa_name(spa), nvroot, 0); 134*ea8dc4b6Seschrock spa_config_exit(spa, FTAG); 135fa9e4066Sahrens } 136