1fa9e4066Sahrens /* 2fa9e4066Sahrens * CDDL HEADER START 3fa9e4066Sahrens * 4fa9e4066Sahrens * The contents of this file are subject to the terms of the 5ea8dc4b6Seschrock * Common Development and Distribution License (the "License"). 6ea8dc4b6Seschrock * 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*e14bb325SJeff Bonwick * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 23fa9e4066Sahrens * Use is subject to license terms. 24fa9e4066Sahrens */ 25fa9e4066Sahrens 26fa9e4066Sahrens #include <assert.h> 27fa9e4066Sahrens #include <sys/zfs_context.h> 28fa9e4066Sahrens #include <sys/avl.h> 29fa9e4066Sahrens #include <string.h> 30fa9e4066Sahrens #include <stdio.h> 31fa9e4066Sahrens #include <stdlib.h> 32fa9e4066Sahrens #include <sys/spa.h> 33fa9e4066Sahrens #include <sys/fs/zfs.h> 34ea8dc4b6Seschrock #include <sys/refcount.h> 35fa9e4066Sahrens 36fa9e4066Sahrens /* 37fa9e4066Sahrens * Routines needed by more than one client of libzpool. 38fa9e4066Sahrens */ 39fa9e4066Sahrens 40fa9e4066Sahrens void 41fa9e4066Sahrens nicenum(uint64_t num, char *buf) 42fa9e4066Sahrens { 43fa9e4066Sahrens uint64_t n = num; 44fa9e4066Sahrens int index = 0; 45fa9e4066Sahrens char u; 46fa9e4066Sahrens 47fa9e4066Sahrens while (n >= 1024) { 48fa9e4066Sahrens n = (n + (1024 / 2)) / 1024; /* Round up or down */ 49fa9e4066Sahrens index++; 50fa9e4066Sahrens } 51fa9e4066Sahrens 52fa9e4066Sahrens u = " KMGTPE"[index]; 53fa9e4066Sahrens 54fa9e4066Sahrens if (index == 0) { 55fa9e4066Sahrens (void) sprintf(buf, "%llu", (u_longlong_t)n); 56fa9e4066Sahrens } else if (n < 10 && (num & (num - 1)) != 0) { 57fa9e4066Sahrens (void) sprintf(buf, "%.2f%c", 58fa9e4066Sahrens (double)num / (1ULL << 10 * index), u); 59fa9e4066Sahrens } else if (n < 100 && (num & (num - 1)) != 0) { 60fa9e4066Sahrens (void) sprintf(buf, "%.1f%c", 61fa9e4066Sahrens (double)num / (1ULL << 10 * index), u); 62fa9e4066Sahrens } else { 63fa9e4066Sahrens (void) sprintf(buf, "%llu%c", (u_longlong_t)n, u); 64fa9e4066Sahrens } 65fa9e4066Sahrens } 66fa9e4066Sahrens 67fa9e4066Sahrens static void 68*e14bb325SJeff Bonwick show_vdev_stats(const char *desc, const char *ctype, nvlist_t *nv, int indent) 69fa9e4066Sahrens { 70fa9e4066Sahrens vdev_stat_t *vs; 71*e14bb325SJeff Bonwick vdev_stat_t v0 = { 0 }; 72fa9e4066Sahrens uint64_t sec; 738654d025Sperrin uint64_t is_log = 0; 74*e14bb325SJeff Bonwick nvlist_t **child; 75*e14bb325SJeff Bonwick uint_t c, children; 76fa9e4066Sahrens char used[6], avail[6]; 77fa9e4066Sahrens char rops[6], wops[6], rbytes[6], wbytes[6], rerr[6], werr[6], cerr[6]; 788654d025Sperrin char *prefix = ""; 79fa9e4066Sahrens 80*e14bb325SJeff Bonwick if (indent == 0 && desc != NULL) { 81*e14bb325SJeff Bonwick (void) printf(" " 82fa9e4066Sahrens " capacity operations bandwidth ---- errors ----\n"); 83*e14bb325SJeff Bonwick (void) printf("description " 84fa9e4066Sahrens "used avail read write read write read write cksum\n"); 85fa9e4066Sahrens } 86fa9e4066Sahrens 87*e14bb325SJeff Bonwick if (desc != NULL) { 88*e14bb325SJeff Bonwick (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_IS_LOG, &is_log); 89*e14bb325SJeff Bonwick 90*e14bb325SJeff Bonwick if (is_log) 91*e14bb325SJeff Bonwick prefix = "log "; 92*e14bb325SJeff Bonwick 93*e14bb325SJeff Bonwick if (nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_STATS, 94*e14bb325SJeff Bonwick (uint64_t **)&vs, &c) != 0) 95*e14bb325SJeff Bonwick vs = &v0; 96*e14bb325SJeff Bonwick 97*e14bb325SJeff Bonwick sec = MAX(1, vs->vs_timestamp / NANOSEC); 98*e14bb325SJeff Bonwick 99*e14bb325SJeff Bonwick nicenum(vs->vs_alloc, used); 100*e14bb325SJeff Bonwick nicenum(vs->vs_space - vs->vs_alloc, avail); 101*e14bb325SJeff Bonwick nicenum(vs->vs_ops[ZIO_TYPE_READ] / sec, rops); 102*e14bb325SJeff Bonwick nicenum(vs->vs_ops[ZIO_TYPE_WRITE] / sec, wops); 103*e14bb325SJeff Bonwick nicenum(vs->vs_bytes[ZIO_TYPE_READ] / sec, rbytes); 104*e14bb325SJeff Bonwick nicenum(vs->vs_bytes[ZIO_TYPE_WRITE] / sec, wbytes); 105*e14bb325SJeff Bonwick nicenum(vs->vs_read_errors, rerr); 106*e14bb325SJeff Bonwick nicenum(vs->vs_write_errors, werr); 107*e14bb325SJeff Bonwick nicenum(vs->vs_checksum_errors, cerr); 108*e14bb325SJeff Bonwick 109*e14bb325SJeff Bonwick (void) printf("%*s%s%*s%*s%*s %5s %5s %5s %5s %5s %5s %5s\n", 110*e14bb325SJeff Bonwick indent, "", 111*e14bb325SJeff Bonwick prefix, 112*e14bb325SJeff Bonwick indent + strlen(prefix) - 25 - (vs->vs_space ? 0 : 12), 113*e14bb325SJeff Bonwick desc, 114*e14bb325SJeff Bonwick vs->vs_space ? 6 : 0, vs->vs_space ? used : "", 115*e14bb325SJeff Bonwick vs->vs_space ? 6 : 0, vs->vs_space ? avail : "", 116*e14bb325SJeff Bonwick rops, wops, rbytes, wbytes, rerr, werr, cerr); 117*e14bb325SJeff Bonwick } 118*e14bb325SJeff Bonwick 119*e14bb325SJeff Bonwick if (nvlist_lookup_nvlist_array(nv, ctype, &child, &children) != 0) 120fa9e4066Sahrens return; 121fa9e4066Sahrens 122fa9e4066Sahrens for (c = 0; c < children; c++) { 123fa9e4066Sahrens nvlist_t *cnv = child[c]; 12499653d4eSeschrock char *cname, *tname; 12599653d4eSeschrock uint64_t np; 126fa9e4066Sahrens if (nvlist_lookup_string(cnv, ZPOOL_CONFIG_PATH, &cname) && 127fa9e4066Sahrens nvlist_lookup_string(cnv, ZPOOL_CONFIG_TYPE, &cname)) 128fa9e4066Sahrens cname = "<unknown>"; 12999653d4eSeschrock tname = calloc(1, strlen(cname) + 2); 13099653d4eSeschrock (void) strcpy(tname, cname); 13199653d4eSeschrock if (nvlist_lookup_uint64(cnv, ZPOOL_CONFIG_NPARITY, &np) == 0) 13299653d4eSeschrock tname[strlen(tname)] = '0' + np; 133*e14bb325SJeff Bonwick show_vdev_stats(tname, ctype, cnv, indent + 2); 13499653d4eSeschrock free(tname); 135fa9e4066Sahrens } 136fa9e4066Sahrens } 137fa9e4066Sahrens 138fa9e4066Sahrens void 139fa9e4066Sahrens show_pool_stats(spa_t *spa) 140fa9e4066Sahrens { 1410373e76bSbonwick nvlist_t *config, *nvroot; 1420373e76bSbonwick char *name; 143fa9e4066Sahrens 144*e14bb325SJeff Bonwick VERIFY(spa_get_stats(spa_name(spa), &config, NULL, 0) == 0); 1450373e76bSbonwick 146fa9e4066Sahrens VERIFY(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 147fa9e4066Sahrens &nvroot) == 0); 1480373e76bSbonwick VERIFY(nvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME, 1490373e76bSbonwick &name) == 0); 150fa9e4066Sahrens 151*e14bb325SJeff Bonwick show_vdev_stats(name, ZPOOL_CONFIG_CHILDREN, nvroot, 0); 152*e14bb325SJeff Bonwick show_vdev_stats(NULL, ZPOOL_CONFIG_L2CACHE, nvroot, 0); 153*e14bb325SJeff Bonwick show_vdev_stats(NULL, ZPOOL_CONFIG_SPARES, nvroot, 0); 154*e14bb325SJeff Bonwick 155*e14bb325SJeff Bonwick nvlist_free(config); 156fa9e4066Sahrens } 157