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34dc7c2f BB |
1 | /* |
2 | * CDDL HEADER START | |
3 | * | |
4 | * The contents of this file are subject to the terms of the | |
5 | * Common Development and Distribution License (the "License"). | |
6 | * You may not use this file except in compliance with the License. | |
7 | * | |
8 | * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE | |
9 | * or http://www.opensolaris.org/os/licensing. | |
10 | * See the License for the specific language governing permissions | |
11 | * and limitations under the License. | |
12 | * | |
13 | * When distributing Covered Code, include this CDDL HEADER in each | |
14 | * file and include the License file at usr/src/OPENSOLARIS.LICENSE. | |
15 | * If applicable, add the following below this CDDL HEADER, with the | |
16 | * fields enclosed by brackets "[]" replaced with your own identifying | |
17 | * information: Portions Copyright [yyyy] [name of copyright owner] | |
18 | * | |
19 | * CDDL HEADER END | |
20 | */ | |
21 | /* | |
428870ff | 22 | * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. |
34dc7c2f BB |
23 | */ |
24 | ||
34dc7c2f BB |
25 | #include <assert.h> |
26 | #include <sys/zfs_context.h> | |
27 | #include <sys/avl.h> | |
28 | #include <string.h> | |
29 | #include <stdio.h> | |
30 | #include <stdlib.h> | |
31 | #include <sys/spa.h> | |
32 | #include <sys/fs/zfs.h> | |
33 | #include <sys/refcount.h> | |
34 | ||
35 | /* | |
36 | * Routines needed by more than one client of libzpool. | |
37 | */ | |
38 | ||
39 | void | |
40 | nicenum(uint64_t num, char *buf) | |
41 | { | |
42 | uint64_t n = num; | |
43 | int index = 0; | |
44 | char u; | |
45 | ||
46 | while (n >= 1024) { | |
47 | n = (n + (1024 / 2)) / 1024; /* Round up or down */ | |
48 | index++; | |
49 | } | |
50 | ||
51 | u = " KMGTPE"[index]; | |
52 | ||
53 | if (index == 0) { | |
54 | (void) sprintf(buf, "%llu", (u_longlong_t)n); | |
55 | } else if (n < 10 && (num & (num - 1)) != 0) { | |
56 | (void) sprintf(buf, "%.2f%c", | |
57 | (double)num / (1ULL << 10 * index), u); | |
58 | } else if (n < 100 && (num & (num - 1)) != 0) { | |
59 | (void) sprintf(buf, "%.1f%c", | |
60 | (double)num / (1ULL << 10 * index), u); | |
61 | } else { | |
62 | (void) sprintf(buf, "%llu%c", (u_longlong_t)n, u); | |
63 | } | |
64 | } | |
65 | ||
66 | static void | |
b128c09f | 67 | show_vdev_stats(const char *desc, const char *ctype, nvlist_t *nv, int indent) |
34dc7c2f | 68 | { |
34dc7c2f | 69 | vdev_stat_t *vs; |
b128c09f | 70 | vdev_stat_t v0 = { 0 }; |
34dc7c2f BB |
71 | uint64_t sec; |
72 | uint64_t is_log = 0; | |
b128c09f BB |
73 | nvlist_t **child; |
74 | uint_t c, children; | |
34dc7c2f BB |
75 | char used[6], avail[6]; |
76 | char rops[6], wops[6], rbytes[6], wbytes[6], rerr[6], werr[6], cerr[6]; | |
77 | char *prefix = ""; | |
78 | ||
b128c09f BB |
79 | if (indent == 0 && desc != NULL) { |
80 | (void) printf(" " | |
34dc7c2f | 81 | " capacity operations bandwidth ---- errors ----\n"); |
b128c09f | 82 | (void) printf("description " |
34dc7c2f BB |
83 | "used avail read write read write read write cksum\n"); |
84 | } | |
85 | ||
b128c09f BB |
86 | if (desc != NULL) { |
87 | (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_IS_LOG, &is_log); | |
88 | ||
89 | if (is_log) | |
90 | prefix = "log "; | |
91 | ||
428870ff | 92 | if (nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_VDEV_STATS, |
b128c09f BB |
93 | (uint64_t **)&vs, &c) != 0) |
94 | vs = &v0; | |
95 | ||
96 | sec = MAX(1, vs->vs_timestamp / NANOSEC); | |
97 | ||
98 | nicenum(vs->vs_alloc, used); | |
99 | nicenum(vs->vs_space - vs->vs_alloc, avail); | |
100 | nicenum(vs->vs_ops[ZIO_TYPE_READ] / sec, rops); | |
101 | nicenum(vs->vs_ops[ZIO_TYPE_WRITE] / sec, wops); | |
102 | nicenum(vs->vs_bytes[ZIO_TYPE_READ] / sec, rbytes); | |
103 | nicenum(vs->vs_bytes[ZIO_TYPE_WRITE] / sec, wbytes); | |
104 | nicenum(vs->vs_read_errors, rerr); | |
105 | nicenum(vs->vs_write_errors, werr); | |
106 | nicenum(vs->vs_checksum_errors, cerr); | |
107 | ||
108 | (void) printf("%*s%s%*s%*s%*s %5s %5s %5s %5s %5s %5s %5s\n", | |
109 | indent, "", | |
110 | prefix, | |
b8864a23 | 111 | (int)(indent+strlen(prefix)-25-(vs->vs_space ? 0 : 12)), |
b128c09f BB |
112 | desc, |
113 | vs->vs_space ? 6 : 0, vs->vs_space ? used : "", | |
114 | vs->vs_space ? 6 : 0, vs->vs_space ? avail : "", | |
115 | rops, wops, rbytes, wbytes, rerr, werr, cerr); | |
116 | } | |
117 | ||
118 | if (nvlist_lookup_nvlist_array(nv, ctype, &child, &children) != 0) | |
34dc7c2f BB |
119 | return; |
120 | ||
121 | for (c = 0; c < children; c++) { | |
122 | nvlist_t *cnv = child[c]; | |
123 | char *cname, *tname; | |
124 | uint64_t np; | |
125 | if (nvlist_lookup_string(cnv, ZPOOL_CONFIG_PATH, &cname) && | |
126 | nvlist_lookup_string(cnv, ZPOOL_CONFIG_TYPE, &cname)) | |
127 | cname = "<unknown>"; | |
128 | tname = calloc(1, strlen(cname) + 2); | |
129 | (void) strcpy(tname, cname); | |
130 | if (nvlist_lookup_uint64(cnv, ZPOOL_CONFIG_NPARITY, &np) == 0) | |
131 | tname[strlen(tname)] = '0' + np; | |
b128c09f | 132 | show_vdev_stats(tname, ctype, cnv, indent + 2); |
34dc7c2f BB |
133 | free(tname); |
134 | } | |
135 | } | |
136 | ||
137 | void | |
138 | show_pool_stats(spa_t *spa) | |
139 | { | |
140 | nvlist_t *config, *nvroot; | |
141 | char *name; | |
142 | ||
b128c09f | 143 | VERIFY(spa_get_stats(spa_name(spa), &config, NULL, 0) == 0); |
34dc7c2f BB |
144 | |
145 | VERIFY(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, | |
146 | &nvroot) == 0); | |
147 | VERIFY(nvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME, | |
148 | &name) == 0); | |
149 | ||
b128c09f BB |
150 | show_vdev_stats(name, ZPOOL_CONFIG_CHILDREN, nvroot, 0); |
151 | show_vdev_stats(NULL, ZPOOL_CONFIG_L2CACHE, nvroot, 0); | |
152 | show_vdev_stats(NULL, ZPOOL_CONFIG_SPARES, nvroot, 0); | |
153 | ||
154 | nvlist_free(config); | |
34dc7c2f | 155 | } |