Commit | Line | Data |
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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 | |
5cf7bd30 | 25 | * .../client_options - libceph-only (i.e. not rbd or cephfs) options |
3d14c5d2 YS |
26 | * .../dentry_lru - dump contents of dentry lru |
27 | * .../caps - expose cap (reservation) stats | |
28 | * .../bdi - symlink to ../../bdi/something | |
29 | */ | |
30 | ||
31 | static struct dentry *ceph_debugfs_dir; | |
32 | ||
33 | static int monmap_show(struct seq_file *s, void *p) | |
34 | { | |
35 | int i; | |
36 | struct ceph_client *client = s->private; | |
37 | ||
38 | if (client->monc.monmap == NULL) | |
39 | return 0; | |
40 | ||
41 | seq_printf(s, "epoch %d\n", client->monc.monmap->epoch); | |
42 | for (i = 0; i < client->monc.monmap->num_mon; i++) { | |
43 | struct ceph_entity_inst *inst = | |
44 | &client->monc.monmap->mon_inst[i]; | |
45 | ||
46 | seq_printf(s, "\t%s%lld\t%s\n", | |
47 | ENTITY_NAME(inst->name), | |
48 | ceph_pr_addr(&inst->addr.in_addr)); | |
49 | } | |
50 | return 0; | |
51 | } | |
52 | ||
53 | static int osdmap_show(struct seq_file *s, void *p) | |
54 | { | |
55 | int i; | |
56 | struct ceph_client *client = s->private; | |
35fea3a1 | 57 | struct ceph_osdmap *map = client->osdc.osdmap; |
3d14c5d2 YS |
58 | struct rb_node *n; |
59 | ||
35fea3a1 | 60 | if (map == NULL) |
3d14c5d2 | 61 | return 0; |
35fea3a1 ID |
62 | |
63 | seq_printf(s, "epoch %d\n", map->epoch); | |
3d14c5d2 | 64 | seq_printf(s, "flags%s%s\n", |
35fea3a1 ID |
65 | (map->flags & CEPH_OSDMAP_NEARFULL) ? " NEARFULL" : "", |
66 | (map->flags & CEPH_OSDMAP_FULL) ? " FULL" : ""); | |
67 | ||
68 | for (n = rb_first(&map->pg_pools); n; n = rb_next(n)) { | |
3d14c5d2 YS |
69 | struct ceph_pg_pool_info *pool = |
70 | rb_entry(n, struct ceph_pg_pool_info, node); | |
35fea3a1 | 71 | |
8a53f23f ID |
72 | seq_printf(s, "pool %lld pg_num %u (%d) read_tier %lld write_tier %lld\n", |
73 | pool->id, pool->pg_num, pool->pg_num_mask, | |
74 | pool->read_tier, pool->write_tier); | |
3d14c5d2 | 75 | } |
35fea3a1 ID |
76 | for (i = 0; i < map->max_osd; i++) { |
77 | struct ceph_entity_addr *addr = &map->osd_addr[i]; | |
78 | int state = map->osd_state[i]; | |
3d14c5d2 YS |
79 | char sb[64]; |
80 | ||
2cfa34f2 | 81 | seq_printf(s, "osd%d\t%s\t%3d%%\t(%s)\t%3d%%\n", |
3d14c5d2 | 82 | i, ceph_pr_addr(&addr->in_addr), |
35fea3a1 | 83 | ((map->osd_weight[i]*100) >> 16), |
2cfa34f2 ID |
84 | ceph_osdmap_state_str(sb, sizeof(sb), state), |
85 | ((ceph_get_primary_affinity(map, i)*100) >> 16)); | |
3d14c5d2 | 86 | } |
1c00240e ID |
87 | for (n = rb_first(&map->pg_temp); n; n = rb_next(n)) { |
88 | struct ceph_pg_mapping *pg = | |
89 | rb_entry(n, struct ceph_pg_mapping, node); | |
90 | ||
91 | seq_printf(s, "pg_temp %llu.%x [", pg->pgid.pool, | |
92 | pg->pgid.seed); | |
35a935d7 | 93 | for (i = 0; i < pg->pg_temp.len; i++) |
1c00240e | 94 | seq_printf(s, "%s%d", (i == 0 ? "" : ","), |
35a935d7 | 95 | pg->pg_temp.osds[i]); |
1c00240e ID |
96 | seq_printf(s, "]\n"); |
97 | } | |
9686f94c ID |
98 | for (n = rb_first(&map->primary_temp); n; n = rb_next(n)) { |
99 | struct ceph_pg_mapping *pg = | |
100 | rb_entry(n, struct ceph_pg_mapping, node); | |
101 | ||
102 | seq_printf(s, "primary_temp %llu.%x %d\n", pg->pgid.pool, | |
103 | pg->pgid.seed, pg->primary_temp.osd); | |
104 | } | |
35fea3a1 | 105 | |
3d14c5d2 YS |
106 | return 0; |
107 | } | |
108 | ||
109 | static int monc_show(struct seq_file *s, void *p) | |
110 | { | |
111 | struct ceph_client *client = s->private; | |
112 | struct ceph_mon_generic_request *req; | |
113 | struct ceph_mon_client *monc = &client->monc; | |
114 | struct rb_node *rp; | |
82dcabad | 115 | int i; |
3d14c5d2 YS |
116 | |
117 | mutex_lock(&monc->mutex); | |
118 | ||
82dcabad ID |
119 | for (i = 0; i < ARRAY_SIZE(monc->subs); i++) { |
120 | seq_printf(s, "have %s %u", ceph_sub_str[i], | |
121 | monc->subs[i].have); | |
122 | if (monc->subs[i].want) | |
123 | seq_printf(s, " want %llu%s", | |
124 | le64_to_cpu(monc->subs[i].item.start), | |
125 | (monc->subs[i].item.flags & | |
126 | CEPH_SUBSCRIBE_ONETIME ? "" : "+")); | |
127 | seq_putc(s, '\n'); | |
128 | } | |
3d14c5d2 YS |
129 | |
130 | for (rp = rb_first(&monc->generic_request_tree); rp; rp = rb_next(rp)) { | |
131 | __u16 op; | |
132 | req = rb_entry(rp, struct ceph_mon_generic_request, node); | |
133 | op = le16_to_cpu(req->request->hdr.type); | |
134 | if (op == CEPH_MSG_STATFS) | |
002b36ba | 135 | seq_printf(s, "%llu statfs\n", req->tid); |
513a8243 ID |
136 | else if (op == CEPH_MSG_MON_GET_VERSION) |
137 | seq_printf(s, "%llu mon_get_version", req->tid); | |
3d14c5d2 | 138 | else |
002b36ba | 139 | seq_printf(s, "%llu unknown\n", req->tid); |
3d14c5d2 YS |
140 | } |
141 | ||
142 | mutex_unlock(&monc->mutex); | |
143 | return 0; | |
144 | } | |
145 | ||
146 | static int osdc_show(struct seq_file *s, void *pp) | |
147 | { | |
148 | struct ceph_client *client = s->private; | |
149 | struct ceph_osd_client *osdc = &client->osdc; | |
150 | struct rb_node *p; | |
151 | ||
152 | mutex_lock(&osdc->request_mutex); | |
153 | for (p = rb_first(&osdc->requests); p; p = rb_next(p)) { | |
154 | struct ceph_osd_request *req; | |
79528734 | 155 | unsigned int i; |
1b83bef2 | 156 | int opcode; |
3d14c5d2 YS |
157 | |
158 | req = rb_entry(p, struct ceph_osd_request, r_node); | |
159 | ||
5b191d99 | 160 | seq_printf(s, "%lld\tosd%d\t%lld.%x\t", req->r_tid, |
3d14c5d2 | 161 | req->r_osd ? req->r_osd->o_osd : -1, |
5b191d99 | 162 | req->r_pgid.pool, req->r_pgid.seed); |
3d14c5d2 | 163 | |
3c972c95 ID |
164 | seq_printf(s, "%.*s", req->r_base_oid.name_len, |
165 | req->r_base_oid.name); | |
3d14c5d2 YS |
166 | |
167 | if (req->r_reassert_version.epoch) | |
168 | seq_printf(s, "\t%u'%llu", | |
95c96174 | 169 | (unsigned int)le32_to_cpu(req->r_reassert_version.epoch), |
3d14c5d2 YS |
170 | le64_to_cpu(req->r_reassert_version.version)); |
171 | else | |
172 | seq_printf(s, "\t"); | |
173 | ||
1b83bef2 | 174 | for (i = 0; i < req->r_num_ops; i++) { |
79528734 | 175 | opcode = req->r_ops[i].op; |
25f89777 ID |
176 | seq_printf(s, "%s%s", (i == 0 ? "\t" : ","), |
177 | ceph_osd_op_name(opcode)); | |
3d14c5d2 YS |
178 | } |
179 | ||
180 | seq_printf(s, "\n"); | |
181 | } | |
182 | mutex_unlock(&osdc->request_mutex); | |
183 | return 0; | |
184 | } | |
185 | ||
5cf7bd30 ID |
186 | static int client_options_show(struct seq_file *s, void *p) |
187 | { | |
188 | struct ceph_client *client = s->private; | |
189 | int ret; | |
190 | ||
191 | ret = ceph_print_client_options(s, client); | |
192 | if (ret) | |
193 | return ret; | |
194 | ||
195 | seq_putc(s, '\n'); | |
196 | return 0; | |
197 | } | |
198 | ||
3d14c5d2 YS |
199 | CEPH_DEFINE_SHOW_FUNC(monmap_show) |
200 | CEPH_DEFINE_SHOW_FUNC(osdmap_show) | |
201 | CEPH_DEFINE_SHOW_FUNC(monc_show) | |
202 | CEPH_DEFINE_SHOW_FUNC(osdc_show) | |
5cf7bd30 | 203 | CEPH_DEFINE_SHOW_FUNC(client_options_show) |
3d14c5d2 YS |
204 | |
205 | int ceph_debugfs_init(void) | |
206 | { | |
207 | ceph_debugfs_dir = debugfs_create_dir("ceph", NULL); | |
208 | if (!ceph_debugfs_dir) | |
209 | return -ENOMEM; | |
210 | return 0; | |
211 | } | |
212 | ||
213 | void ceph_debugfs_cleanup(void) | |
214 | { | |
215 | debugfs_remove(ceph_debugfs_dir); | |
216 | } | |
217 | ||
218 | int ceph_debugfs_client_init(struct ceph_client *client) | |
219 | { | |
220 | int ret = -ENOMEM; | |
221 | char name[80]; | |
222 | ||
223 | snprintf(name, sizeof(name), "%pU.client%lld", &client->fsid, | |
224 | client->monc.auth->global_id); | |
225 | ||
d1c338a5 SW |
226 | dout("ceph_debugfs_client_init %p %s\n", client, name); |
227 | ||
228 | BUG_ON(client->debugfs_dir); | |
3d14c5d2 YS |
229 | client->debugfs_dir = debugfs_create_dir(name, ceph_debugfs_dir); |
230 | if (!client->debugfs_dir) | |
231 | goto out; | |
232 | ||
233 | client->monc.debugfs_file = debugfs_create_file("monc", | |
234 | 0600, | |
235 | client->debugfs_dir, | |
236 | client, | |
237 | &monc_show_fops); | |
238 | if (!client->monc.debugfs_file) | |
239 | goto out; | |
240 | ||
241 | client->osdc.debugfs_file = debugfs_create_file("osdc", | |
242 | 0600, | |
243 | client->debugfs_dir, | |
244 | client, | |
245 | &osdc_show_fops); | |
246 | if (!client->osdc.debugfs_file) | |
247 | goto out; | |
248 | ||
249 | client->debugfs_monmap = debugfs_create_file("monmap", | |
250 | 0600, | |
251 | client->debugfs_dir, | |
252 | client, | |
253 | &monmap_show_fops); | |
254 | if (!client->debugfs_monmap) | |
255 | goto out; | |
256 | ||
257 | client->debugfs_osdmap = debugfs_create_file("osdmap", | |
258 | 0600, | |
259 | client->debugfs_dir, | |
260 | client, | |
261 | &osdmap_show_fops); | |
262 | if (!client->debugfs_osdmap) | |
263 | goto out; | |
264 | ||
5cf7bd30 ID |
265 | client->debugfs_options = debugfs_create_file("client_options", |
266 | 0600, | |
267 | client->debugfs_dir, | |
268 | client, | |
269 | &client_options_show_fops); | |
270 | if (!client->debugfs_options) | |
271 | goto out; | |
272 | ||
3d14c5d2 YS |
273 | return 0; |
274 | ||
275 | out: | |
276 | ceph_debugfs_client_cleanup(client); | |
277 | return ret; | |
278 | } | |
279 | ||
280 | void ceph_debugfs_client_cleanup(struct ceph_client *client) | |
281 | { | |
d1c338a5 | 282 | dout("ceph_debugfs_client_cleanup %p\n", client); |
5cf7bd30 | 283 | debugfs_remove(client->debugfs_options); |
3d14c5d2 YS |
284 | debugfs_remove(client->debugfs_osdmap); |
285 | debugfs_remove(client->debugfs_monmap); | |
286 | debugfs_remove(client->osdc.debugfs_file); | |
287 | debugfs_remove(client->monc.debugfs_file); | |
288 | debugfs_remove(client->debugfs_dir); | |
289 | } | |
290 | ||
291 | #else /* CONFIG_DEBUG_FS */ | |
292 | ||
293 | int ceph_debugfs_init(void) | |
294 | { | |
295 | return 0; | |
296 | } | |
297 | ||
298 | void ceph_debugfs_cleanup(void) | |
299 | { | |
300 | } | |
301 | ||
602adf40 | 302 | int ceph_debugfs_client_init(struct ceph_client *client) |
3d14c5d2 YS |
303 | { |
304 | return 0; | |
305 | } | |
306 | ||
307 | void ceph_debugfs_client_cleanup(struct ceph_client *client) | |
308 | { | |
309 | } | |
310 | ||
311 | #endif /* CONFIG_DEBUG_FS */ | |
312 | ||
313 | EXPORT_SYMBOL(ceph_debugfs_init); | |
314 | EXPORT_SYMBOL(ceph_debugfs_cleanup); |