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3d14c5d2 YS |
1 | #include <linux/ceph/ceph_debug.h> |
2 | ||
3 | #include <linux/device.h> | |
4 | #include <linux/slab.h> | |
5 | #include <linux/module.h> | |
6 | #include <linux/ctype.h> | |
7 | #include <linux/debugfs.h> | |
8 | #include <linux/seq_file.h> | |
9 | ||
10 | #include <linux/ceph/libceph.h> | |
11 | #include <linux/ceph/mon_client.h> | |
12 | #include <linux/ceph/auth.h> | |
13 | #include <linux/ceph/debugfs.h> | |
14 | ||
15 | #ifdef CONFIG_DEBUG_FS | |
16 | ||
17 | /* | |
18 | * Implement /sys/kernel/debug/ceph fun | |
19 | * | |
20 | * /sys/kernel/debug/ceph/client* - an instance of the ceph client | |
21 | * .../osdmap - current osdmap | |
22 | * .../monmap - current monmap | |
23 | * .../osdc - active osd requests | |
24 | * .../monc - mon client state | |
25 | * .../dentry_lru - dump contents of dentry lru | |
26 | * .../caps - expose cap (reservation) stats | |
27 | * .../bdi - symlink to ../../bdi/something | |
28 | */ | |
29 | ||
30 | static struct dentry *ceph_debugfs_dir; | |
31 | ||
32 | static int monmap_show(struct seq_file *s, void *p) | |
33 | { | |
34 | int i; | |
35 | struct ceph_client *client = s->private; | |
36 | ||
37 | if (client->monc.monmap == NULL) | |
38 | return 0; | |
39 | ||
40 | seq_printf(s, "epoch %d\n", client->monc.monmap->epoch); | |
41 | for (i = 0; i < client->monc.monmap->num_mon; i++) { | |
42 | struct ceph_entity_inst *inst = | |
43 | &client->monc.monmap->mon_inst[i]; | |
44 | ||
45 | seq_printf(s, "\t%s%lld\t%s\n", | |
46 | ENTITY_NAME(inst->name), | |
47 | ceph_pr_addr(&inst->addr.in_addr)); | |
48 | } | |
49 | return 0; | |
50 | } | |
51 | ||
52 | static int osdmap_show(struct seq_file *s, void *p) | |
53 | { | |
54 | int i; | |
55 | struct ceph_client *client = s->private; | |
35fea3a1 | 56 | struct ceph_osdmap *map = client->osdc.osdmap; |
3d14c5d2 YS |
57 | struct rb_node *n; |
58 | ||
35fea3a1 | 59 | if (map == NULL) |
3d14c5d2 | 60 | return 0; |
35fea3a1 ID |
61 | |
62 | seq_printf(s, "epoch %d\n", map->epoch); | |
3d14c5d2 | 63 | seq_printf(s, "flags%s%s\n", |
35fea3a1 ID |
64 | (map->flags & CEPH_OSDMAP_NEARFULL) ? " NEARFULL" : "", |
65 | (map->flags & CEPH_OSDMAP_FULL) ? " FULL" : ""); | |
66 | ||
67 | for (n = rb_first(&map->pg_pools); n; n = rb_next(n)) { | |
3d14c5d2 YS |
68 | struct ceph_pg_pool_info *pool = |
69 | rb_entry(n, struct ceph_pg_pool_info, node); | |
35fea3a1 | 70 | |
8a53f23f ID |
71 | seq_printf(s, "pool %lld pg_num %u (%d) read_tier %lld write_tier %lld\n", |
72 | pool->id, pool->pg_num, pool->pg_num_mask, | |
73 | pool->read_tier, pool->write_tier); | |
3d14c5d2 | 74 | } |
35fea3a1 ID |
75 | for (i = 0; i < map->max_osd; i++) { |
76 | struct ceph_entity_addr *addr = &map->osd_addr[i]; | |
77 | int state = map->osd_state[i]; | |
3d14c5d2 YS |
78 | char sb[64]; |
79 | ||
2cfa34f2 | 80 | seq_printf(s, "osd%d\t%s\t%3d%%\t(%s)\t%3d%%\n", |
3d14c5d2 | 81 | i, ceph_pr_addr(&addr->in_addr), |
35fea3a1 | 82 | ((map->osd_weight[i]*100) >> 16), |
2cfa34f2 ID |
83 | ceph_osdmap_state_str(sb, sizeof(sb), state), |
84 | ((ceph_get_primary_affinity(map, i)*100) >> 16)); | |
3d14c5d2 | 85 | } |
1c00240e ID |
86 | for (n = rb_first(&map->pg_temp); n; n = rb_next(n)) { |
87 | struct ceph_pg_mapping *pg = | |
88 | rb_entry(n, struct ceph_pg_mapping, node); | |
89 | ||
90 | seq_printf(s, "pg_temp %llu.%x [", pg->pgid.pool, | |
91 | pg->pgid.seed); | |
35a935d7 | 92 | for (i = 0; i < pg->pg_temp.len; i++) |
1c00240e | 93 | seq_printf(s, "%s%d", (i == 0 ? "" : ","), |
35a935d7 | 94 | pg->pg_temp.osds[i]); |
1c00240e ID |
95 | seq_printf(s, "]\n"); |
96 | } | |
9686f94c ID |
97 | for (n = rb_first(&map->primary_temp); n; n = rb_next(n)) { |
98 | struct ceph_pg_mapping *pg = | |
99 | rb_entry(n, struct ceph_pg_mapping, node); | |
100 | ||
101 | seq_printf(s, "primary_temp %llu.%x %d\n", pg->pgid.pool, | |
102 | pg->pgid.seed, pg->primary_temp.osd); | |
103 | } | |
35fea3a1 | 104 | |
3d14c5d2 YS |
105 | return 0; |
106 | } | |
107 | ||
108 | static int monc_show(struct seq_file *s, void *p) | |
109 | { | |
110 | struct ceph_client *client = s->private; | |
111 | struct ceph_mon_generic_request *req; | |
112 | struct ceph_mon_client *monc = &client->monc; | |
113 | struct rb_node *rp; | |
114 | ||
115 | mutex_lock(&monc->mutex); | |
116 | ||
117 | if (monc->have_mdsmap) | |
95c96174 | 118 | seq_printf(s, "have mdsmap %u\n", (unsigned int)monc->have_mdsmap); |
3d14c5d2 | 119 | if (monc->have_osdmap) |
95c96174 | 120 | seq_printf(s, "have osdmap %u\n", (unsigned int)monc->have_osdmap); |
3d14c5d2 YS |
121 | if (monc->want_next_osdmap) |
122 | seq_printf(s, "want next osdmap\n"); | |
123 | ||
124 | for (rp = rb_first(&monc->generic_request_tree); rp; rp = rb_next(rp)) { | |
125 | __u16 op; | |
126 | req = rb_entry(rp, struct ceph_mon_generic_request, node); | |
127 | op = le16_to_cpu(req->request->hdr.type); | |
128 | if (op == CEPH_MSG_STATFS) | |
002b36ba | 129 | seq_printf(s, "%llu statfs\n", req->tid); |
513a8243 ID |
130 | else if (op == CEPH_MSG_MON_GET_VERSION) |
131 | seq_printf(s, "%llu mon_get_version", req->tid); | |
3d14c5d2 | 132 | else |
002b36ba | 133 | seq_printf(s, "%llu unknown\n", req->tid); |
3d14c5d2 YS |
134 | } |
135 | ||
136 | mutex_unlock(&monc->mutex); | |
137 | return 0; | |
138 | } | |
139 | ||
140 | static int osdc_show(struct seq_file *s, void *pp) | |
141 | { | |
142 | struct ceph_client *client = s->private; | |
143 | struct ceph_osd_client *osdc = &client->osdc; | |
144 | struct rb_node *p; | |
145 | ||
146 | mutex_lock(&osdc->request_mutex); | |
147 | for (p = rb_first(&osdc->requests); p; p = rb_next(p)) { | |
148 | struct ceph_osd_request *req; | |
79528734 | 149 | unsigned int i; |
1b83bef2 | 150 | int opcode; |
3d14c5d2 YS |
151 | |
152 | req = rb_entry(p, struct ceph_osd_request, r_node); | |
153 | ||
5b191d99 | 154 | seq_printf(s, "%lld\tosd%d\t%lld.%x\t", req->r_tid, |
3d14c5d2 | 155 | req->r_osd ? req->r_osd->o_osd : -1, |
5b191d99 | 156 | req->r_pgid.pool, req->r_pgid.seed); |
3d14c5d2 | 157 | |
3c972c95 ID |
158 | seq_printf(s, "%.*s", req->r_base_oid.name_len, |
159 | req->r_base_oid.name); | |
3d14c5d2 YS |
160 | |
161 | if (req->r_reassert_version.epoch) | |
162 | seq_printf(s, "\t%u'%llu", | |
95c96174 | 163 | (unsigned int)le32_to_cpu(req->r_reassert_version.epoch), |
3d14c5d2 YS |
164 | le64_to_cpu(req->r_reassert_version.version)); |
165 | else | |
166 | seq_printf(s, "\t"); | |
167 | ||
1b83bef2 | 168 | for (i = 0; i < req->r_num_ops; i++) { |
79528734 | 169 | opcode = req->r_ops[i].op; |
25f89777 ID |
170 | seq_printf(s, "%s%s", (i == 0 ? "\t" : ","), |
171 | ceph_osd_op_name(opcode)); | |
3d14c5d2 YS |
172 | } |
173 | ||
174 | seq_printf(s, "\n"); | |
175 | } | |
176 | mutex_unlock(&osdc->request_mutex); | |
177 | return 0; | |
178 | } | |
179 | ||
180 | CEPH_DEFINE_SHOW_FUNC(monmap_show) | |
181 | CEPH_DEFINE_SHOW_FUNC(osdmap_show) | |
182 | CEPH_DEFINE_SHOW_FUNC(monc_show) | |
183 | CEPH_DEFINE_SHOW_FUNC(osdc_show) | |
184 | ||
185 | int ceph_debugfs_init(void) | |
186 | { | |
187 | ceph_debugfs_dir = debugfs_create_dir("ceph", NULL); | |
188 | if (!ceph_debugfs_dir) | |
189 | return -ENOMEM; | |
190 | return 0; | |
191 | } | |
192 | ||
193 | void ceph_debugfs_cleanup(void) | |
194 | { | |
195 | debugfs_remove(ceph_debugfs_dir); | |
196 | } | |
197 | ||
198 | int ceph_debugfs_client_init(struct ceph_client *client) | |
199 | { | |
200 | int ret = -ENOMEM; | |
201 | char name[80]; | |
202 | ||
203 | snprintf(name, sizeof(name), "%pU.client%lld", &client->fsid, | |
204 | client->monc.auth->global_id); | |
205 | ||
d1c338a5 SW |
206 | dout("ceph_debugfs_client_init %p %s\n", client, name); |
207 | ||
208 | BUG_ON(client->debugfs_dir); | |
3d14c5d2 YS |
209 | client->debugfs_dir = debugfs_create_dir(name, ceph_debugfs_dir); |
210 | if (!client->debugfs_dir) | |
211 | goto out; | |
212 | ||
213 | client->monc.debugfs_file = debugfs_create_file("monc", | |
214 | 0600, | |
215 | client->debugfs_dir, | |
216 | client, | |
217 | &monc_show_fops); | |
218 | if (!client->monc.debugfs_file) | |
219 | goto out; | |
220 | ||
221 | client->osdc.debugfs_file = debugfs_create_file("osdc", | |
222 | 0600, | |
223 | client->debugfs_dir, | |
224 | client, | |
225 | &osdc_show_fops); | |
226 | if (!client->osdc.debugfs_file) | |
227 | goto out; | |
228 | ||
229 | client->debugfs_monmap = debugfs_create_file("monmap", | |
230 | 0600, | |
231 | client->debugfs_dir, | |
232 | client, | |
233 | &monmap_show_fops); | |
234 | if (!client->debugfs_monmap) | |
235 | goto out; | |
236 | ||
237 | client->debugfs_osdmap = debugfs_create_file("osdmap", | |
238 | 0600, | |
239 | client->debugfs_dir, | |
240 | client, | |
241 | &osdmap_show_fops); | |
242 | if (!client->debugfs_osdmap) | |
243 | goto out; | |
244 | ||
245 | return 0; | |
246 | ||
247 | out: | |
248 | ceph_debugfs_client_cleanup(client); | |
249 | return ret; | |
250 | } | |
251 | ||
252 | void ceph_debugfs_client_cleanup(struct ceph_client *client) | |
253 | { | |
d1c338a5 | 254 | dout("ceph_debugfs_client_cleanup %p\n", client); |
3d14c5d2 YS |
255 | debugfs_remove(client->debugfs_osdmap); |
256 | debugfs_remove(client->debugfs_monmap); | |
257 | debugfs_remove(client->osdc.debugfs_file); | |
258 | debugfs_remove(client->monc.debugfs_file); | |
259 | debugfs_remove(client->debugfs_dir); | |
260 | } | |
261 | ||
262 | #else /* CONFIG_DEBUG_FS */ | |
263 | ||
264 | int ceph_debugfs_init(void) | |
265 | { | |
266 | return 0; | |
267 | } | |
268 | ||
269 | void ceph_debugfs_cleanup(void) | |
270 | { | |
271 | } | |
272 | ||
602adf40 | 273 | int ceph_debugfs_client_init(struct ceph_client *client) |
3d14c5d2 YS |
274 | { |
275 | return 0; | |
276 | } | |
277 | ||
278 | void ceph_debugfs_client_cleanup(struct ceph_client *client) | |
279 | { | |
280 | } | |
281 | ||
282 | #endif /* CONFIG_DEBUG_FS */ | |
283 | ||
284 | EXPORT_SYMBOL(ceph_debugfs_init); | |
285 | EXPORT_SYMBOL(ceph_debugfs_cleanup); |