1*fa9e4066Sahrens /* 2*fa9e4066Sahrens * CDDL HEADER START 3*fa9e4066Sahrens * 4*fa9e4066Sahrens * The contents of this file are subject to the terms of the 5*fa9e4066Sahrens * Common Development and Distribution License, Version 1.0 only 6*fa9e4066Sahrens * (the "License"). You may not use this file except in compliance 7*fa9e4066Sahrens * with the License. 8*fa9e4066Sahrens * 9*fa9e4066Sahrens * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*fa9e4066Sahrens * or http://www.opensolaris.org/os/licensing. 11*fa9e4066Sahrens * See the License for the specific language governing permissions 12*fa9e4066Sahrens * and limitations under the License. 13*fa9e4066Sahrens * 14*fa9e4066Sahrens * When distributing Covered Code, include this CDDL HEADER in each 15*fa9e4066Sahrens * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*fa9e4066Sahrens * If applicable, add the following below this CDDL HEADER, with the 17*fa9e4066Sahrens * fields enclosed by brackets "[]" replaced with your own identifying 18*fa9e4066Sahrens * information: Portions Copyright [yyyy] [name of copyright owner] 19*fa9e4066Sahrens * 20*fa9e4066Sahrens * CDDL HEADER END 21*fa9e4066Sahrens */ 22*fa9e4066Sahrens /* 23*fa9e4066Sahrens * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 24*fa9e4066Sahrens * Use is subject to license terms. 25*fa9e4066Sahrens */ 26*fa9e4066Sahrens 27*fa9e4066Sahrens #pragma ident "%Z%%M% %I% %E% SMI" 28*fa9e4066Sahrens 29*fa9e4066Sahrens #include <assert.h> 30*fa9e4066Sahrens #include <sys/zfs_context.h> 31*fa9e4066Sahrens #include <sys/avl.h> 32*fa9e4066Sahrens #include <string.h> 33*fa9e4066Sahrens #include <stdio.h> 34*fa9e4066Sahrens #include <stdlib.h> 35*fa9e4066Sahrens #include <sys/spa.h> 36*fa9e4066Sahrens #include <sys/fs/zfs.h> 37*fa9e4066Sahrens 38*fa9e4066Sahrens /* 39*fa9e4066Sahrens * Routines needed by more than one client of libzpool. 40*fa9e4066Sahrens */ 41*fa9e4066Sahrens 42*fa9e4066Sahrens void 43*fa9e4066Sahrens nicenum(uint64_t num, char *buf) 44*fa9e4066Sahrens { 45*fa9e4066Sahrens uint64_t n = num; 46*fa9e4066Sahrens int index = 0; 47*fa9e4066Sahrens char u; 48*fa9e4066Sahrens 49*fa9e4066Sahrens while (n >= 1024) { 50*fa9e4066Sahrens n = (n + (1024 / 2)) / 1024; /* Round up or down */ 51*fa9e4066Sahrens index++; 52*fa9e4066Sahrens } 53*fa9e4066Sahrens 54*fa9e4066Sahrens u = " KMGTPE"[index]; 55*fa9e4066Sahrens 56*fa9e4066Sahrens if (index == 0) { 57*fa9e4066Sahrens (void) sprintf(buf, "%llu", (u_longlong_t)n); 58*fa9e4066Sahrens } else if (n < 10 && (num & (num - 1)) != 0) { 59*fa9e4066Sahrens (void) sprintf(buf, "%.2f%c", 60*fa9e4066Sahrens (double)num / (1ULL << 10 * index), u); 61*fa9e4066Sahrens } else if (n < 100 && (num & (num - 1)) != 0) { 62*fa9e4066Sahrens (void) sprintf(buf, "%.1f%c", 63*fa9e4066Sahrens (double)num / (1ULL << 10 * index), u); 64*fa9e4066Sahrens } else { 65*fa9e4066Sahrens (void) sprintf(buf, "%llu%c", (u_longlong_t)n, u); 66*fa9e4066Sahrens } 67*fa9e4066Sahrens } 68*fa9e4066Sahrens 69*fa9e4066Sahrens static void 70*fa9e4066Sahrens show_vdev_stats(const char *desc, nvlist_t *nv, int indent) 71*fa9e4066Sahrens { 72*fa9e4066Sahrens nvlist_t **child; 73*fa9e4066Sahrens uint_t c, children; 74*fa9e4066Sahrens vdev_stat_t *vs; 75*fa9e4066Sahrens uint64_t sec; 76*fa9e4066Sahrens char used[6], avail[6]; 77*fa9e4066Sahrens char rops[6], wops[6], rbytes[6], wbytes[6], rerr[6], werr[6], cerr[6]; 78*fa9e4066Sahrens 79*fa9e4066Sahrens if (indent == 0) { 80*fa9e4066Sahrens (void) printf(" " 81*fa9e4066Sahrens " capacity operations bandwidth ---- errors ----\n"); 82*fa9e4066Sahrens (void) printf("description " 83*fa9e4066Sahrens "used avail read write read write read write cksum\n"); 84*fa9e4066Sahrens } 85*fa9e4066Sahrens 86*fa9e4066Sahrens VERIFY(nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_STATS, 87*fa9e4066Sahrens (uint64_t **)&vs, &c) == 0); 88*fa9e4066Sahrens 89*fa9e4066Sahrens sec = MAX(1, vs->vs_timestamp / NANOSEC); 90*fa9e4066Sahrens 91*fa9e4066Sahrens nicenum(vs->vs_alloc, used); 92*fa9e4066Sahrens nicenum(vs->vs_space - vs->vs_alloc, avail); 93*fa9e4066Sahrens nicenum(vs->vs_ops[ZIO_TYPE_READ] / sec, rops); 94*fa9e4066Sahrens nicenum(vs->vs_ops[ZIO_TYPE_WRITE] / sec, wops); 95*fa9e4066Sahrens nicenum(vs->vs_bytes[ZIO_TYPE_READ] / sec, rbytes); 96*fa9e4066Sahrens nicenum(vs->vs_bytes[ZIO_TYPE_WRITE] / sec, wbytes); 97*fa9e4066Sahrens nicenum(vs->vs_read_errors, rerr); 98*fa9e4066Sahrens nicenum(vs->vs_write_errors, werr); 99*fa9e4066Sahrens nicenum(vs->vs_checksum_errors, cerr); 100*fa9e4066Sahrens 101*fa9e4066Sahrens (void) printf("%*s%*s%*s%*s %5s %5s %5s %5s %5s %5s %5s\n", 102*fa9e4066Sahrens indent, "", 103*fa9e4066Sahrens indent - 19 - (vs->vs_space ? 0 : 12), desc, 104*fa9e4066Sahrens vs->vs_space ? 6 : 0, vs->vs_space ? used : "", 105*fa9e4066Sahrens vs->vs_space ? 6 : 0, vs->vs_space ? avail : "", 106*fa9e4066Sahrens rops, wops, rbytes, wbytes, rerr, werr, cerr); 107*fa9e4066Sahrens 108*fa9e4066Sahrens if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 109*fa9e4066Sahrens &child, &children) != 0) 110*fa9e4066Sahrens return; 111*fa9e4066Sahrens 112*fa9e4066Sahrens for (c = 0; c < children; c++) { 113*fa9e4066Sahrens nvlist_t *cnv = child[c]; 114*fa9e4066Sahrens char *cname; 115*fa9e4066Sahrens if (nvlist_lookup_string(cnv, ZPOOL_CONFIG_PATH, &cname) && 116*fa9e4066Sahrens nvlist_lookup_string(cnv, ZPOOL_CONFIG_TYPE, &cname)) 117*fa9e4066Sahrens cname = "<unknown>"; 118*fa9e4066Sahrens show_vdev_stats(cname, cnv, indent + 2); 119*fa9e4066Sahrens } 120*fa9e4066Sahrens } 121*fa9e4066Sahrens 122*fa9e4066Sahrens void 123*fa9e4066Sahrens show_pool_stats(spa_t *spa) 124*fa9e4066Sahrens { 125*fa9e4066Sahrens nvlist_t *config = NULL; 126*fa9e4066Sahrens nvlist_t *nvroot = NULL; 127*fa9e4066Sahrens 128*fa9e4066Sahrens spa_config_enter(spa, RW_READER); 129*fa9e4066Sahrens VERIFY(spa_get_stats(spa_name(spa), &config) == 0); 130*fa9e4066Sahrens VERIFY(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 131*fa9e4066Sahrens &nvroot) == 0); 132*fa9e4066Sahrens 133*fa9e4066Sahrens show_vdev_stats(spa_name(spa), nvroot, 0); 134*fa9e4066Sahrens spa_config_exit(spa); 135*fa9e4066Sahrens } 136