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1// SPDX-License-Identifier: GPL-2.0
2#include <linux/ceph/ceph_debug.h>
3
4#include <linux/device.h>
5#include <linux/slab.h>
6#include <linux/module.h>
7#include <linux/ctype.h>
8#include <linux/debugfs.h>
9#include <linux/seq_file.h>
10
11#include <linux/ceph/libceph.h>
12#include <linux/ceph/mon_client.h>
13#include <linux/ceph/auth.h>
14#include <linux/ceph/debugfs.h>
15
16#include "super.h"
17
18#ifdef CONFIG_DEBUG_FS
19
20#include "mds_client.h"
21
22static int mdsmap_show(struct seq_file *s, void *p)
23{
24 int i;
25 struct ceph_fs_client *fsc = s->private;
26 struct ceph_mdsmap *mdsmap;
27
28 if (!fsc->mdsc || !fsc->mdsc->mdsmap)
29 return 0;
30 mdsmap = fsc->mdsc->mdsmap;
31 seq_printf(s, "epoch %d\n", mdsmap->m_epoch);
32 seq_printf(s, "root %d\n", mdsmap->m_root);
33 seq_printf(s, "max_mds %d\n", mdsmap->m_max_mds);
34 seq_printf(s, "session_timeout %d\n", mdsmap->m_session_timeout);
35 seq_printf(s, "session_autoclose %d\n", mdsmap->m_session_autoclose);
36 for (i = 0; i < mdsmap->m_num_mds; i++) {
37 struct ceph_entity_addr *addr = &mdsmap->m_info[i].addr;
38 int state = mdsmap->m_info[i].state;
39 seq_printf(s, "\tmds%d\t%s\t(%s)\n", i,
40 ceph_pr_addr(addr),
41 ceph_mds_state_name(state));
42 }
43 return 0;
44}
45
46/*
47 * mdsc debugfs
48 */
49static int mdsc_show(struct seq_file *s, void *p)
50{
51 struct ceph_fs_client *fsc = s->private;
52 struct ceph_mds_client *mdsc = fsc->mdsc;
53 struct ceph_mds_request *req;
54 struct rb_node *rp;
55 int pathlen = 0;
56 u64 pathbase;
57 char *path;
58
59 mutex_lock(&mdsc->mutex);
60 for (rp = rb_first(&mdsc->request_tree); rp; rp = rb_next(rp)) {
61 req = rb_entry(rp, struct ceph_mds_request, r_node);
62
63 if (req->r_request && req->r_session)
64 seq_printf(s, "%lld\tmds%d\t", req->r_tid,
65 req->r_session->s_mds);
66 else if (!req->r_request)
67 seq_printf(s, "%lld\t(no request)\t", req->r_tid);
68 else
69 seq_printf(s, "%lld\t(no session)\t", req->r_tid);
70
71 seq_printf(s, "%s", ceph_mds_op_name(req->r_op));
72
73 if (test_bit(CEPH_MDS_R_GOT_UNSAFE, &req->r_req_flags))
74 seq_puts(s, "\t(unsafe)");
75 else
76 seq_puts(s, "\t");
77
78 if (req->r_inode) {
79 seq_printf(s, " #%llx", ceph_ino(req->r_inode));
80 } else if (req->r_dentry) {
81 path = ceph_mdsc_build_path(req->r_dentry, &pathlen,
82 &pathbase, 0);
83 if (IS_ERR(path))
84 path = NULL;
85 spin_lock(&req->r_dentry->d_lock);
86 seq_printf(s, " #%llx/%pd (%s)",
87 ceph_ino(d_inode(req->r_dentry->d_parent)),
88 req->r_dentry,
89 path ? path : "");
90 spin_unlock(&req->r_dentry->d_lock);
91 ceph_mdsc_free_path(path, pathlen);
92 } else if (req->r_path1) {
93 seq_printf(s, " #%llx/%s", req->r_ino1.ino,
94 req->r_path1);
95 } else {
96 seq_printf(s, " #%llx", req->r_ino1.ino);
97 }
98
99 if (req->r_old_dentry) {
100 path = ceph_mdsc_build_path(req->r_old_dentry, &pathlen,
101 &pathbase, 0);
102 if (IS_ERR(path))
103 path = NULL;
104 spin_lock(&req->r_old_dentry->d_lock);
105 seq_printf(s, " #%llx/%pd (%s)",
106 req->r_old_dentry_dir ?
107 ceph_ino(req->r_old_dentry_dir) : 0,
108 req->r_old_dentry,
109 path ? path : "");
110 spin_unlock(&req->r_old_dentry->d_lock);
111 ceph_mdsc_free_path(path, pathlen);
112 } else if (req->r_path2 && req->r_op != CEPH_MDS_OP_SYMLINK) {
113 if (req->r_ino2.ino)
114 seq_printf(s, " #%llx/%s", req->r_ino2.ino,
115 req->r_path2);
116 else
117 seq_printf(s, " %s", req->r_path2);
118 }
119
120 seq_puts(s, "\n");
121 }
122 mutex_unlock(&mdsc->mutex);
123
124 return 0;
125}
126
127static int caps_show_cb(struct inode *inode, struct ceph_cap *cap, void *p)
128{
129 struct seq_file *s = p;
130
131 seq_printf(s, "0x%-17lx%-17s%-17s\n", inode->i_ino,
132 ceph_cap_string(cap->issued),
133 ceph_cap_string(cap->implemented));
134 return 0;
135}
136
137static int caps_show(struct seq_file *s, void *p)
138{
139 struct ceph_fs_client *fsc = s->private;
140 struct ceph_mds_client *mdsc = fsc->mdsc;
141 int total, avail, used, reserved, min, i;
142
143 ceph_reservation_status(fsc, &total, &avail, &used, &reserved, &min);
144 seq_printf(s, "total\t\t%d\n"
145 "avail\t\t%d\n"
146 "used\t\t%d\n"
147 "reserved\t%d\n"
148 "min\t\t%d\n\n",
149 total, avail, used, reserved, min);
150 seq_printf(s, "ino issued implemented\n");
151 seq_printf(s, "-----------------------------------------------\n");
152
153 mutex_lock(&mdsc->mutex);
154 for (i = 0; i < mdsc->max_sessions; i++) {
155 struct ceph_mds_session *session;
156
157 session = __ceph_lookup_mds_session(mdsc, i);
158 if (!session)
159 continue;
160 mutex_unlock(&mdsc->mutex);
161 mutex_lock(&session->s_mutex);
162 ceph_iterate_session_caps(session, caps_show_cb, s);
163 mutex_unlock(&session->s_mutex);
164 ceph_put_mds_session(session);
165 mutex_lock(&mdsc->mutex);
166 }
167 mutex_unlock(&mdsc->mutex);
168
169 return 0;
170}
171
172static int mds_sessions_show(struct seq_file *s, void *ptr)
173{
174 struct ceph_fs_client *fsc = s->private;
175 struct ceph_mds_client *mdsc = fsc->mdsc;
176 struct ceph_auth_client *ac = fsc->client->monc.auth;
177 struct ceph_options *opt = fsc->client->options;
178 int mds = -1;
179
180 mutex_lock(&mdsc->mutex);
181
182 /* The 'num' portion of an 'entity name' */
183 seq_printf(s, "global_id %llu\n", ac->global_id);
184
185 /* The -o name mount argument */
186 seq_printf(s, "name \"%s\"\n", opt->name ? opt->name : "");
187
188 /* The list of MDS session rank+state */
189 for (mds = 0; mds < mdsc->max_sessions; mds++) {
190 struct ceph_mds_session *session =
191 __ceph_lookup_mds_session(mdsc, mds);
192 if (!session) {
193 continue;
194 }
195 mutex_unlock(&mdsc->mutex);
196 seq_printf(s, "mds.%d %s\n",
197 session->s_mds,
198 ceph_session_state_name(session->s_state));
199
200 ceph_put_mds_session(session);
201 mutex_lock(&mdsc->mutex);
202 }
203 mutex_unlock(&mdsc->mutex);
204
205 return 0;
206}
207
208CEPH_DEFINE_SHOW_FUNC(mdsmap_show)
209CEPH_DEFINE_SHOW_FUNC(mdsc_show)
210CEPH_DEFINE_SHOW_FUNC(caps_show)
211CEPH_DEFINE_SHOW_FUNC(mds_sessions_show)
212
213
214/*
215 * debugfs
216 */
217static int congestion_kb_set(void *data, u64 val)
218{
219 struct ceph_fs_client *fsc = (struct ceph_fs_client *)data;
220
221 fsc->mount_options->congestion_kb = (int)val;
222 return 0;
223}
224
225static int congestion_kb_get(void *data, u64 *val)
226{
227 struct ceph_fs_client *fsc = (struct ceph_fs_client *)data;
228
229 *val = (u64)fsc->mount_options->congestion_kb;
230 return 0;
231}
232
233DEFINE_SIMPLE_ATTRIBUTE(congestion_kb_fops, congestion_kb_get,
234 congestion_kb_set, "%llu\n");
235
236
237void ceph_fs_debugfs_cleanup(struct ceph_fs_client *fsc)
238{
239 dout("ceph_fs_debugfs_cleanup\n");
240 debugfs_remove(fsc->debugfs_bdi);
241 debugfs_remove(fsc->debugfs_congestion_kb);
242 debugfs_remove(fsc->debugfs_mdsmap);
243 debugfs_remove(fsc->debugfs_mds_sessions);
244 debugfs_remove(fsc->debugfs_caps);
245 debugfs_remove(fsc->debugfs_mdsc);
246}
247
248void ceph_fs_debugfs_init(struct ceph_fs_client *fsc)
249{
250 char name[100];
251
252 dout("ceph_fs_debugfs_init\n");
253 fsc->debugfs_congestion_kb =
254 debugfs_create_file("writeback_congestion_kb",
255 0600,
256 fsc->client->debugfs_dir,
257 fsc,
258 &congestion_kb_fops);
259
260 snprintf(name, sizeof(name), "../../bdi/%s",
261 dev_name(fsc->sb->s_bdi->dev));
262 fsc->debugfs_bdi =
263 debugfs_create_symlink("bdi",
264 fsc->client->debugfs_dir,
265 name);
266
267 fsc->debugfs_mdsmap = debugfs_create_file("mdsmap",
268 0400,
269 fsc->client->debugfs_dir,
270 fsc,
271 &mdsmap_show_fops);
272
273 fsc->debugfs_mds_sessions = debugfs_create_file("mds_sessions",
274 0400,
275 fsc->client->debugfs_dir,
276 fsc,
277 &mds_sessions_show_fops);
278
279 fsc->debugfs_mdsc = debugfs_create_file("mdsc",
280 0400,
281 fsc->client->debugfs_dir,
282 fsc,
283 &mdsc_show_fops);
284
285 fsc->debugfs_caps = debugfs_create_file("caps",
286 0400,
287 fsc->client->debugfs_dir,
288 fsc,
289 &caps_show_fops);
290}
291
292
293#else /* CONFIG_DEBUG_FS */
294
295void ceph_fs_debugfs_init(struct ceph_fs_client *fsc)
296{
297}
298
299void ceph_fs_debugfs_cleanup(struct ceph_fs_client *fsc)
300{
301}
302
303#endif /* CONFIG_DEBUG_FS */
1// SPDX-License-Identifier: GPL-2.0
2#include <linux/ceph/ceph_debug.h>
3
4#include <linux/device.h>
5#include <linux/slab.h>
6#include <linux/module.h>
7#include <linux/ctype.h>
8#include <linux/debugfs.h>
9#include <linux/seq_file.h>
10#include <linux/math64.h>
11#include <linux/ktime.h>
12
13#include <linux/ceph/libceph.h>
14#include <linux/ceph/mon_client.h>
15#include <linux/ceph/auth.h>
16#include <linux/ceph/debugfs.h>
17
18#include "super.h"
19
20#ifdef CONFIG_DEBUG_FS
21
22#include "mds_client.h"
23#include "metric.h"
24
25static int mdsmap_show(struct seq_file *s, void *p)
26{
27 int i;
28 struct ceph_fs_client *fsc = s->private;
29 struct ceph_mdsmap *mdsmap;
30
31 if (!fsc->mdsc || !fsc->mdsc->mdsmap)
32 return 0;
33 mdsmap = fsc->mdsc->mdsmap;
34 seq_printf(s, "epoch %d\n", mdsmap->m_epoch);
35 seq_printf(s, "root %d\n", mdsmap->m_root);
36 seq_printf(s, "max_mds %d\n", mdsmap->m_max_mds);
37 seq_printf(s, "session_timeout %d\n", mdsmap->m_session_timeout);
38 seq_printf(s, "session_autoclose %d\n", mdsmap->m_session_autoclose);
39 for (i = 0; i < mdsmap->possible_max_rank; i++) {
40 struct ceph_entity_addr *addr = &mdsmap->m_info[i].addr;
41 int state = mdsmap->m_info[i].state;
42 seq_printf(s, "\tmds%d\t%s\t(%s)\n", i,
43 ceph_pr_addr(addr),
44 ceph_mds_state_name(state));
45 }
46 return 0;
47}
48
49/*
50 * mdsc debugfs
51 */
52static int mdsc_show(struct seq_file *s, void *p)
53{
54 struct ceph_fs_client *fsc = s->private;
55 struct ceph_mds_client *mdsc = fsc->mdsc;
56 struct ceph_mds_request *req;
57 struct rb_node *rp;
58 int pathlen = 0;
59 u64 pathbase;
60 char *path;
61
62 mutex_lock(&mdsc->mutex);
63 for (rp = rb_first(&mdsc->request_tree); rp; rp = rb_next(rp)) {
64 req = rb_entry(rp, struct ceph_mds_request, r_node);
65
66 if (req->r_request && req->r_session)
67 seq_printf(s, "%lld\tmds%d\t", req->r_tid,
68 req->r_session->s_mds);
69 else if (!req->r_request)
70 seq_printf(s, "%lld\t(no request)\t", req->r_tid);
71 else
72 seq_printf(s, "%lld\t(no session)\t", req->r_tid);
73
74 seq_printf(s, "%s", ceph_mds_op_name(req->r_op));
75
76 if (test_bit(CEPH_MDS_R_GOT_UNSAFE, &req->r_req_flags))
77 seq_puts(s, "\t(unsafe)");
78 else
79 seq_puts(s, "\t");
80
81 if (req->r_inode) {
82 seq_printf(s, " #%llx", ceph_ino(req->r_inode));
83 } else if (req->r_dentry) {
84 path = ceph_mdsc_build_path(req->r_dentry, &pathlen,
85 &pathbase, 0);
86 if (IS_ERR(path))
87 path = NULL;
88 spin_lock(&req->r_dentry->d_lock);
89 seq_printf(s, " #%llx/%pd (%s)",
90 ceph_ino(d_inode(req->r_dentry->d_parent)),
91 req->r_dentry,
92 path ? path : "");
93 spin_unlock(&req->r_dentry->d_lock);
94 ceph_mdsc_free_path(path, pathlen);
95 } else if (req->r_path1) {
96 seq_printf(s, " #%llx/%s", req->r_ino1.ino,
97 req->r_path1);
98 } else {
99 seq_printf(s, " #%llx", req->r_ino1.ino);
100 }
101
102 if (req->r_old_dentry) {
103 path = ceph_mdsc_build_path(req->r_old_dentry, &pathlen,
104 &pathbase, 0);
105 if (IS_ERR(path))
106 path = NULL;
107 spin_lock(&req->r_old_dentry->d_lock);
108 seq_printf(s, " #%llx/%pd (%s)",
109 req->r_old_dentry_dir ?
110 ceph_ino(req->r_old_dentry_dir) : 0,
111 req->r_old_dentry,
112 path ? path : "");
113 spin_unlock(&req->r_old_dentry->d_lock);
114 ceph_mdsc_free_path(path, pathlen);
115 } else if (req->r_path2 && req->r_op != CEPH_MDS_OP_SYMLINK) {
116 if (req->r_ino2.ino)
117 seq_printf(s, " #%llx/%s", req->r_ino2.ino,
118 req->r_path2);
119 else
120 seq_printf(s, " %s", req->r_path2);
121 }
122
123 seq_puts(s, "\n");
124 }
125 mutex_unlock(&mdsc->mutex);
126
127 return 0;
128}
129
130#define CEPH_LAT_METRIC_SHOW(name, total, avg, min, max, sq) { \
131 s64 _total, _avg, _min, _max, _sq, _st; \
132 _avg = ktime_to_us(avg); \
133 _min = ktime_to_us(min == KTIME_MAX ? 0 : min); \
134 _max = ktime_to_us(max); \
135 _total = total - 1; \
136 _sq = _total > 0 ? DIV64_U64_ROUND_CLOSEST(sq, _total) : 0; \
137 _st = int_sqrt64(_sq); \
138 _st = ktime_to_us(_st); \
139 seq_printf(s, "%-14s%-12lld%-16lld%-16lld%-16lld%lld\n", \
140 name, total, _avg, _min, _max, _st); \
141}
142
143#define CEPH_SZ_METRIC_SHOW(name, total, avg, min, max, sum) { \
144 u64 _min = min == U64_MAX ? 0 : min; \
145 seq_printf(s, "%-14s%-12lld%-16llu%-16llu%-16llu%llu\n", \
146 name, total, avg, _min, max, sum); \
147}
148
149static int metrics_file_show(struct seq_file *s, void *p)
150{
151 struct ceph_fs_client *fsc = s->private;
152 struct ceph_client_metric *m = &fsc->mdsc->metric;
153
154 seq_printf(s, "item total\n");
155 seq_printf(s, "------------------------------------------\n");
156 seq_printf(s, "%-35s%lld\n", "total inodes",
157 percpu_counter_sum(&m->total_inodes));
158 seq_printf(s, "%-35s%lld\n", "opened files",
159 atomic64_read(&m->opened_files));
160 seq_printf(s, "%-35s%lld\n", "pinned i_caps",
161 atomic64_read(&m->total_caps));
162 seq_printf(s, "%-35s%lld\n", "opened inodes",
163 percpu_counter_sum(&m->opened_inodes));
164 return 0;
165}
166
167static const char * const metric_str[] = {
168 "read",
169 "write",
170 "metadata",
171 "copyfrom"
172};
173static int metrics_latency_show(struct seq_file *s, void *p)
174{
175 struct ceph_fs_client *fsc = s->private;
176 struct ceph_client_metric *cm = &fsc->mdsc->metric;
177 struct ceph_metric *m;
178 s64 total, avg, min, max, sq;
179 int i;
180
181 seq_printf(s, "item total avg_lat(us) min_lat(us) max_lat(us) stdev(us)\n");
182 seq_printf(s, "-----------------------------------------------------------------------------------\n");
183
184 for (i = 0; i < METRIC_MAX; i++) {
185 m = &cm->metric[i];
186 spin_lock(&m->lock);
187 total = m->total;
188 avg = m->latency_avg;
189 min = m->latency_min;
190 max = m->latency_max;
191 sq = m->latency_sq_sum;
192 spin_unlock(&m->lock);
193 CEPH_LAT_METRIC_SHOW(metric_str[i], total, avg, min, max, sq);
194 }
195
196 return 0;
197}
198
199static int metrics_size_show(struct seq_file *s, void *p)
200{
201 struct ceph_fs_client *fsc = s->private;
202 struct ceph_client_metric *cm = &fsc->mdsc->metric;
203 struct ceph_metric *m;
204 s64 total;
205 u64 sum, avg, min, max;
206 int i;
207
208 seq_printf(s, "item total avg_sz(bytes) min_sz(bytes) max_sz(bytes) total_sz(bytes)\n");
209 seq_printf(s, "----------------------------------------------------------------------------------------\n");
210
211 for (i = 0; i < METRIC_MAX; i++) {
212 /* skip 'metadata' as it doesn't use the size metric */
213 if (i == METRIC_METADATA)
214 continue;
215 m = &cm->metric[i];
216 spin_lock(&m->lock);
217 total = m->total;
218 sum = m->size_sum;
219 avg = total > 0 ? DIV64_U64_ROUND_CLOSEST(sum, total) : 0;
220 min = m->size_min;
221 max = m->size_max;
222 spin_unlock(&m->lock);
223 CEPH_SZ_METRIC_SHOW(metric_str[i], total, avg, min, max, sum);
224 }
225
226 return 0;
227}
228
229static int metrics_caps_show(struct seq_file *s, void *p)
230{
231 struct ceph_fs_client *fsc = s->private;
232 struct ceph_client_metric *m = &fsc->mdsc->metric;
233 int nr_caps = 0;
234
235 seq_printf(s, "item total miss hit\n");
236 seq_printf(s, "-------------------------------------------------\n");
237
238 seq_printf(s, "%-14s%-16lld%-16lld%lld\n", "d_lease",
239 atomic64_read(&m->total_dentries),
240 percpu_counter_sum(&m->d_lease_mis),
241 percpu_counter_sum(&m->d_lease_hit));
242
243 nr_caps = atomic64_read(&m->total_caps);
244 seq_printf(s, "%-14s%-16d%-16lld%lld\n", "caps", nr_caps,
245 percpu_counter_sum(&m->i_caps_mis),
246 percpu_counter_sum(&m->i_caps_hit));
247
248 return 0;
249}
250
251static int caps_show_cb(struct inode *inode, struct ceph_cap *cap, void *p)
252{
253 struct seq_file *s = p;
254
255 seq_printf(s, "0x%-17llx%-3d%-17s%-17s\n", ceph_ino(inode),
256 cap->session->s_mds,
257 ceph_cap_string(cap->issued),
258 ceph_cap_string(cap->implemented));
259 return 0;
260}
261
262static int caps_show(struct seq_file *s, void *p)
263{
264 struct ceph_fs_client *fsc = s->private;
265 struct ceph_mds_client *mdsc = fsc->mdsc;
266 int total, avail, used, reserved, min, i;
267 struct cap_wait *cw;
268
269 ceph_reservation_status(fsc, &total, &avail, &used, &reserved, &min);
270 seq_printf(s, "total\t\t%d\n"
271 "avail\t\t%d\n"
272 "used\t\t%d\n"
273 "reserved\t%d\n"
274 "min\t\t%d\n\n",
275 total, avail, used, reserved, min);
276 seq_printf(s, "ino mds issued implemented\n");
277 seq_printf(s, "--------------------------------------------------\n");
278
279 mutex_lock(&mdsc->mutex);
280 for (i = 0; i < mdsc->max_sessions; i++) {
281 struct ceph_mds_session *session;
282
283 session = __ceph_lookup_mds_session(mdsc, i);
284 if (!session)
285 continue;
286 mutex_unlock(&mdsc->mutex);
287 mutex_lock(&session->s_mutex);
288 ceph_iterate_session_caps(session, caps_show_cb, s);
289 mutex_unlock(&session->s_mutex);
290 ceph_put_mds_session(session);
291 mutex_lock(&mdsc->mutex);
292 }
293 mutex_unlock(&mdsc->mutex);
294
295 seq_printf(s, "\n\nWaiters:\n--------\n");
296 seq_printf(s, "tgid ino need want\n");
297 seq_printf(s, "-----------------------------------------------------\n");
298
299 spin_lock(&mdsc->caps_list_lock);
300 list_for_each_entry(cw, &mdsc->cap_wait_list, list) {
301 seq_printf(s, "%-13d0x%-17llx%-17s%-17s\n", cw->tgid, cw->ino,
302 ceph_cap_string(cw->need),
303 ceph_cap_string(cw->want));
304 }
305 spin_unlock(&mdsc->caps_list_lock);
306
307 return 0;
308}
309
310static int mds_sessions_show(struct seq_file *s, void *ptr)
311{
312 struct ceph_fs_client *fsc = s->private;
313 struct ceph_mds_client *mdsc = fsc->mdsc;
314 struct ceph_auth_client *ac = fsc->client->monc.auth;
315 struct ceph_options *opt = fsc->client->options;
316 int mds;
317
318 mutex_lock(&mdsc->mutex);
319
320 /* The 'num' portion of an 'entity name' */
321 seq_printf(s, "global_id %llu\n", ac->global_id);
322
323 /* The -o name mount argument */
324 seq_printf(s, "name \"%s\"\n", opt->name ? opt->name : "");
325
326 /* The list of MDS session rank+state */
327 for (mds = 0; mds < mdsc->max_sessions; mds++) {
328 struct ceph_mds_session *session =
329 __ceph_lookup_mds_session(mdsc, mds);
330 if (!session) {
331 continue;
332 }
333 mutex_unlock(&mdsc->mutex);
334 seq_printf(s, "mds.%d %s\n",
335 session->s_mds,
336 ceph_session_state_name(session->s_state));
337
338 ceph_put_mds_session(session);
339 mutex_lock(&mdsc->mutex);
340 }
341 mutex_unlock(&mdsc->mutex);
342
343 return 0;
344}
345
346static int status_show(struct seq_file *s, void *p)
347{
348 struct ceph_fs_client *fsc = s->private;
349 struct ceph_entity_inst *inst = &fsc->client->msgr.inst;
350 struct ceph_entity_addr *client_addr = ceph_client_addr(fsc->client);
351
352 seq_printf(s, "instance: %s.%lld %s/%u\n", ENTITY_NAME(inst->name),
353 ceph_pr_addr(client_addr), le32_to_cpu(client_addr->nonce));
354 seq_printf(s, "blocklisted: %s\n", fsc->blocklisted ? "true" : "false");
355
356 return 0;
357}
358
359DEFINE_SHOW_ATTRIBUTE(mdsmap);
360DEFINE_SHOW_ATTRIBUTE(mdsc);
361DEFINE_SHOW_ATTRIBUTE(caps);
362DEFINE_SHOW_ATTRIBUTE(mds_sessions);
363DEFINE_SHOW_ATTRIBUTE(status);
364DEFINE_SHOW_ATTRIBUTE(metrics_file);
365DEFINE_SHOW_ATTRIBUTE(metrics_latency);
366DEFINE_SHOW_ATTRIBUTE(metrics_size);
367DEFINE_SHOW_ATTRIBUTE(metrics_caps);
368
369
370/*
371 * debugfs
372 */
373static int congestion_kb_set(void *data, u64 val)
374{
375 struct ceph_fs_client *fsc = (struct ceph_fs_client *)data;
376
377 fsc->mount_options->congestion_kb = (int)val;
378 return 0;
379}
380
381static int congestion_kb_get(void *data, u64 *val)
382{
383 struct ceph_fs_client *fsc = (struct ceph_fs_client *)data;
384
385 *val = (u64)fsc->mount_options->congestion_kb;
386 return 0;
387}
388
389DEFINE_SIMPLE_ATTRIBUTE(congestion_kb_fops, congestion_kb_get,
390 congestion_kb_set, "%llu\n");
391
392
393void ceph_fs_debugfs_cleanup(struct ceph_fs_client *fsc)
394{
395 dout("ceph_fs_debugfs_cleanup\n");
396 debugfs_remove(fsc->debugfs_bdi);
397 debugfs_remove(fsc->debugfs_congestion_kb);
398 debugfs_remove(fsc->debugfs_mdsmap);
399 debugfs_remove(fsc->debugfs_mds_sessions);
400 debugfs_remove(fsc->debugfs_caps);
401 debugfs_remove(fsc->debugfs_status);
402 debugfs_remove(fsc->debugfs_mdsc);
403 debugfs_remove_recursive(fsc->debugfs_metrics_dir);
404}
405
406void ceph_fs_debugfs_init(struct ceph_fs_client *fsc)
407{
408 char name[100];
409
410 dout("ceph_fs_debugfs_init\n");
411 fsc->debugfs_congestion_kb =
412 debugfs_create_file("writeback_congestion_kb",
413 0600,
414 fsc->client->debugfs_dir,
415 fsc,
416 &congestion_kb_fops);
417
418 snprintf(name, sizeof(name), "../../bdi/%s",
419 bdi_dev_name(fsc->sb->s_bdi));
420 fsc->debugfs_bdi =
421 debugfs_create_symlink("bdi",
422 fsc->client->debugfs_dir,
423 name);
424
425 fsc->debugfs_mdsmap = debugfs_create_file("mdsmap",
426 0400,
427 fsc->client->debugfs_dir,
428 fsc,
429 &mdsmap_fops);
430
431 fsc->debugfs_mds_sessions = debugfs_create_file("mds_sessions",
432 0400,
433 fsc->client->debugfs_dir,
434 fsc,
435 &mds_sessions_fops);
436
437 fsc->debugfs_mdsc = debugfs_create_file("mdsc",
438 0400,
439 fsc->client->debugfs_dir,
440 fsc,
441 &mdsc_fops);
442
443 fsc->debugfs_caps = debugfs_create_file("caps",
444 0400,
445 fsc->client->debugfs_dir,
446 fsc,
447 &caps_fops);
448
449 fsc->debugfs_status = debugfs_create_file("status",
450 0400,
451 fsc->client->debugfs_dir,
452 fsc,
453 &status_fops);
454
455 fsc->debugfs_metrics_dir = debugfs_create_dir("metrics",
456 fsc->client->debugfs_dir);
457
458 debugfs_create_file("file", 0400, fsc->debugfs_metrics_dir, fsc,
459 &metrics_file_fops);
460 debugfs_create_file("latency", 0400, fsc->debugfs_metrics_dir, fsc,
461 &metrics_latency_fops);
462 debugfs_create_file("size", 0400, fsc->debugfs_metrics_dir, fsc,
463 &metrics_size_fops);
464 debugfs_create_file("caps", 0400, fsc->debugfs_metrics_dir, fsc,
465 &metrics_caps_fops);
466}
467
468
469#else /* CONFIG_DEBUG_FS */
470
471void ceph_fs_debugfs_init(struct ceph_fs_client *fsc)
472{
473}
474
475void ceph_fs_debugfs_cleanup(struct ceph_fs_client *fsc)
476{
477}
478
479#endif /* CONFIG_DEBUG_FS */