1 #include <linux/ceph/ceph_debug.h>
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>
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>
15 #ifdef CONFIG_DEBUG_FS
18 * Implement /sys/kernel/debug/ceph fun
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
30 static struct dentry
*ceph_debugfs_dir
;
32 static int monmap_show(struct seq_file
*s
, void *p
)
35 struct ceph_client
*client
= s
->private;
37 if (client
->monc
.monmap
== NULL
)
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
];
45 seq_printf(s
, "\t%s%lld\t%s\n",
46 ENTITY_NAME(inst
->name
),
47 ceph_pr_addr(&inst
->addr
.in_addr
));
52 static int osdmap_show(struct seq_file
*s
, void *p
)
55 struct ceph_client
*client
= s
->private;
56 struct ceph_osdmap
*map
= client
->osdc
.osdmap
;
62 seq_printf(s
, "epoch %d\n", map
->epoch
);
63 seq_printf(s
, "flags%s%s\n",
64 (map
->flags
& CEPH_OSDMAP_NEARFULL
) ? " NEARFULL" : "",
65 (map
->flags
& CEPH_OSDMAP_FULL
) ? " FULL" : "");
67 for (n
= rb_first(&map
->pg_pools
); n
; n
= rb_next(n
)) {
68 struct ceph_pg_pool_info
*pool
=
69 rb_entry(n
, struct ceph_pg_pool_info
, node
);
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
);
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
];
80 seq_printf(s
, "osd%d\t%s\t%3d%%\t(%s)\t%3d%%\n",
81 i
, ceph_pr_addr(&addr
->in_addr
),
82 ((map
->osd_weight
[i
]*100) >> 16),
83 ceph_osdmap_state_str(sb
, sizeof(sb
), state
),
84 ((ceph_get_primary_affinity(map
, i
)*100) >> 16));
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
);
90 seq_printf(s
, "pg_temp %llu.%x [", pg
->pgid
.pool
,
92 for (i
= 0; i
< pg
->pg_temp
.len
; i
++)
93 seq_printf(s
, "%s%d", (i
== 0 ? "" : ","),
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
);
101 seq_printf(s
, "primary_temp %llu.%x %d\n", pg
->pgid
.pool
,
102 pg
->pgid
.seed
, pg
->primary_temp
.osd
);
108 static int monc_show(struct seq_file
*s
, void *p
)
110 struct ceph_client
*client
= s
->private;
111 struct ceph_mon_generic_request
*req
;
112 struct ceph_mon_client
*monc
= &client
->monc
;
115 mutex_lock(&monc
->mutex
);
117 if (monc
->have_mdsmap
)
118 seq_printf(s
, "have mdsmap %u\n", (unsigned int)monc
->have_mdsmap
);
119 if (monc
->have_osdmap
)
120 seq_printf(s
, "have osdmap %u\n", (unsigned int)monc
->have_osdmap
);
121 if (monc
->want_next_osdmap
)
122 seq_printf(s
, "want next osdmap\n");
124 for (rp
= rb_first(&monc
->generic_request_tree
); rp
; rp
= rb_next(rp
)) {
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
)
129 seq_printf(s
, "%llu statfs\n", req
->tid
);
130 else if (op
== CEPH_MSG_MON_GET_VERSION
)
131 seq_printf(s
, "%llu mon_get_version", req
->tid
);
133 seq_printf(s
, "%llu unknown\n", req
->tid
);
136 mutex_unlock(&monc
->mutex
);
140 static int osdc_show(struct seq_file
*s
, void *pp
)
142 struct ceph_client
*client
= s
->private;
143 struct ceph_osd_client
*osdc
= &client
->osdc
;
146 mutex_lock(&osdc
->request_mutex
);
147 for (p
= rb_first(&osdc
->requests
); p
; p
= rb_next(p
)) {
148 struct ceph_osd_request
*req
;
152 req
= rb_entry(p
, struct ceph_osd_request
, r_node
);
154 seq_printf(s
, "%lld\tosd%d\t%lld.%x\t", req
->r_tid
,
155 req
->r_osd
? req
->r_osd
->o_osd
: -1,
156 req
->r_pgid
.pool
, req
->r_pgid
.seed
);
158 seq_printf(s
, "%.*s", req
->r_base_oid
.name_len
,
159 req
->r_base_oid
.name
);
161 if (req
->r_reassert_version
.epoch
)
162 seq_printf(s
, "\t%u'%llu",
163 (unsigned int)le32_to_cpu(req
->r_reassert_version
.epoch
),
164 le64_to_cpu(req
->r_reassert_version
.version
));
168 for (i
= 0; i
< req
->r_num_ops
; i
++) {
169 opcode
= req
->r_ops
[i
].op
;
170 seq_printf(s
, "%s%s", (i
== 0 ? "\t" : ","),
171 ceph_osd_op_name(opcode
));
176 mutex_unlock(&osdc
->request_mutex
);
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
)
185 int ceph_debugfs_init(void)
187 ceph_debugfs_dir
= debugfs_create_dir("ceph", NULL
);
188 if (!ceph_debugfs_dir
)
193 void ceph_debugfs_cleanup(void)
195 debugfs_remove(ceph_debugfs_dir
);
198 int ceph_debugfs_client_init(struct ceph_client
*client
)
203 snprintf(name
, sizeof(name
), "%pU.client%lld", &client
->fsid
,
204 client
->monc
.auth
->global_id
);
206 dout("ceph_debugfs_client_init %p %s\n", client
, name
);
208 BUG_ON(client
->debugfs_dir
);
209 client
->debugfs_dir
= debugfs_create_dir(name
, ceph_debugfs_dir
);
210 if (!client
->debugfs_dir
)
213 client
->monc
.debugfs_file
= debugfs_create_file("monc",
218 if (!client
->monc
.debugfs_file
)
221 client
->osdc
.debugfs_file
= debugfs_create_file("osdc",
226 if (!client
->osdc
.debugfs_file
)
229 client
->debugfs_monmap
= debugfs_create_file("monmap",
234 if (!client
->debugfs_monmap
)
237 client
->debugfs_osdmap
= debugfs_create_file("osdmap",
242 if (!client
->debugfs_osdmap
)
248 ceph_debugfs_client_cleanup(client
);
252 void ceph_debugfs_client_cleanup(struct ceph_client
*client
)
254 dout("ceph_debugfs_client_cleanup %p\n", client
);
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
);
262 #else /* CONFIG_DEBUG_FS */
264 int ceph_debugfs_init(void)
269 void ceph_debugfs_cleanup(void)
273 int ceph_debugfs_client_init(struct ceph_client
*client
)
278 void ceph_debugfs_client_cleanup(struct ceph_client
*client
)
282 #endif /* CONFIG_DEBUG_FS */
284 EXPORT_SYMBOL(ceph_debugfs_init
);
285 EXPORT_SYMBOL(ceph_debugfs_cleanup
);
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