forked from Minki/linux
493 lines
12 KiB
C
493 lines
12 KiB
C
#include "ceph_debug.h"
|
|
|
|
#include <linux/device.h>
|
|
#include <linux/module.h>
|
|
#include <linux/ctype.h>
|
|
#include <linux/debugfs.h>
|
|
#include <linux/seq_file.h>
|
|
|
|
#include "super.h"
|
|
#include "mds_client.h"
|
|
#include "mon_client.h"
|
|
#include "auth.h"
|
|
|
|
#ifdef CONFIG_DEBUG_FS
|
|
|
|
/*
|
|
* Implement /sys/kernel/debug/ceph fun
|
|
*
|
|
* /sys/kernel/debug/ceph/client* - an instance of the ceph client
|
|
* .../osdmap - current osdmap
|
|
* .../mdsmap - current mdsmap
|
|
* .../monmap - current monmap
|
|
* .../osdc - active osd requests
|
|
* .../mdsc - active mds requests
|
|
* .../monc - mon client state
|
|
* .../dentry_lru - dump contents of dentry lru
|
|
* .../caps - expose cap (reservation) stats
|
|
* .../bdi - symlink to ../../bdi/something
|
|
*/
|
|
|
|
static struct dentry *ceph_debugfs_dir;
|
|
|
|
static int monmap_show(struct seq_file *s, void *p)
|
|
{
|
|
int i;
|
|
struct ceph_client *client = s->private;
|
|
|
|
if (client->monc.monmap == NULL)
|
|
return 0;
|
|
|
|
seq_printf(s, "epoch %d\n", client->monc.monmap->epoch);
|
|
for (i = 0; i < client->monc.monmap->num_mon; i++) {
|
|
struct ceph_entity_inst *inst =
|
|
&client->monc.monmap->mon_inst[i];
|
|
|
|
seq_printf(s, "\t%s%lld\t%s\n",
|
|
ENTITY_NAME(inst->name),
|
|
pr_addr(&inst->addr.in_addr));
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int mdsmap_show(struct seq_file *s, void *p)
|
|
{
|
|
int i;
|
|
struct ceph_client *client = s->private;
|
|
|
|
if (client->mdsc.mdsmap == NULL)
|
|
return 0;
|
|
seq_printf(s, "epoch %d\n", client->mdsc.mdsmap->m_epoch);
|
|
seq_printf(s, "root %d\n", client->mdsc.mdsmap->m_root);
|
|
seq_printf(s, "session_timeout %d\n",
|
|
client->mdsc.mdsmap->m_session_timeout);
|
|
seq_printf(s, "session_autoclose %d\n",
|
|
client->mdsc.mdsmap->m_session_autoclose);
|
|
for (i = 0; i < client->mdsc.mdsmap->m_max_mds; i++) {
|
|
struct ceph_entity_addr *addr =
|
|
&client->mdsc.mdsmap->m_info[i].addr;
|
|
int state = client->mdsc.mdsmap->m_info[i].state;
|
|
|
|
seq_printf(s, "\tmds%d\t%s\t(%s)\n", i, pr_addr(&addr->in_addr),
|
|
ceph_mds_state_name(state));
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int osdmap_show(struct seq_file *s, void *p)
|
|
{
|
|
int i;
|
|
struct ceph_client *client = s->private;
|
|
|
|
if (client->osdc.osdmap == NULL)
|
|
return 0;
|
|
seq_printf(s, "epoch %d\n", client->osdc.osdmap->epoch);
|
|
seq_printf(s, "flags%s%s\n",
|
|
(client->osdc.osdmap->flags & CEPH_OSDMAP_NEARFULL) ?
|
|
" NEARFULL" : "",
|
|
(client->osdc.osdmap->flags & CEPH_OSDMAP_FULL) ?
|
|
" FULL" : "");
|
|
for (i = 0; i < client->osdc.osdmap->num_pools; i++) {
|
|
struct ceph_pg_pool_info *pool =
|
|
&client->osdc.osdmap->pg_pool[i];
|
|
seq_printf(s, "pg_pool %d pg_num %d / %d, lpg_num %d / %d\n",
|
|
i, pool->v.pg_num, pool->pg_num_mask,
|
|
pool->v.lpg_num, pool->lpg_num_mask);
|
|
}
|
|
for (i = 0; i < client->osdc.osdmap->max_osd; i++) {
|
|
struct ceph_entity_addr *addr =
|
|
&client->osdc.osdmap->osd_addr[i];
|
|
int state = client->osdc.osdmap->osd_state[i];
|
|
char sb[64];
|
|
|
|
seq_printf(s, "\tosd%d\t%s\t%3d%%\t(%s)\n",
|
|
i, pr_addr(&addr->in_addr),
|
|
((client->osdc.osdmap->osd_weight[i]*100) >> 16),
|
|
ceph_osdmap_state_str(sb, sizeof(sb), state));
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int monc_show(struct seq_file *s, void *p)
|
|
{
|
|
struct ceph_client *client = s->private;
|
|
struct ceph_mon_statfs_request *req;
|
|
u64 nexttid = 0;
|
|
int got;
|
|
struct ceph_mon_client *monc = &client->monc;
|
|
|
|
mutex_lock(&monc->mutex);
|
|
|
|
if (monc->have_mdsmap)
|
|
seq_printf(s, "have mdsmap %u\n", (unsigned)monc->have_mdsmap);
|
|
if (monc->have_osdmap)
|
|
seq_printf(s, "have osdmap %u\n", (unsigned)monc->have_osdmap);
|
|
if (monc->want_next_osdmap)
|
|
seq_printf(s, "want next osdmap\n");
|
|
|
|
while (nexttid < monc->last_tid) {
|
|
got = radix_tree_gang_lookup(&monc->statfs_request_tree,
|
|
(void **)&req, nexttid, 1);
|
|
if (got == 0)
|
|
break;
|
|
nexttid = req->tid + 1;
|
|
|
|
seq_printf(s, "%lld statfs\n", req->tid);
|
|
}
|
|
mutex_unlock(&monc->mutex);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int mdsc_show(struct seq_file *s, void *p)
|
|
{
|
|
struct ceph_client *client = s->private;
|
|
struct ceph_mds_request *req;
|
|
u64 nexttid = 0;
|
|
int got;
|
|
struct ceph_mds_client *mdsc = &client->mdsc;
|
|
int pathlen;
|
|
u64 pathbase;
|
|
char *path;
|
|
|
|
mutex_lock(&mdsc->mutex);
|
|
while (nexttid < mdsc->last_tid) {
|
|
got = radix_tree_gang_lookup(&mdsc->request_tree,
|
|
(void **)&req, nexttid, 1);
|
|
if (got == 0)
|
|
break;
|
|
nexttid = req->r_tid + 1;
|
|
|
|
if (req->r_request)
|
|
seq_printf(s, "%lld\tmds%d\t", req->r_tid, req->r_mds);
|
|
else
|
|
seq_printf(s, "%lld\t(no request)\t", req->r_tid);
|
|
|
|
seq_printf(s, "%s", ceph_mds_op_name(req->r_op));
|
|
|
|
if (req->r_got_unsafe)
|
|
seq_printf(s, "\t(unsafe)");
|
|
else
|
|
seq_printf(s, "\t");
|
|
|
|
if (req->r_inode) {
|
|
seq_printf(s, " #%llx", ceph_ino(req->r_inode));
|
|
} else if (req->r_dentry) {
|
|
path = ceph_mdsc_build_path(req->r_dentry, &pathlen,
|
|
&pathbase, 0);
|
|
spin_lock(&req->r_dentry->d_lock);
|
|
seq_printf(s, " #%llx/%.*s (%s)",
|
|
ceph_ino(req->r_dentry->d_parent->d_inode),
|
|
req->r_dentry->d_name.len,
|
|
req->r_dentry->d_name.name,
|
|
path ? path : "");
|
|
spin_unlock(&req->r_dentry->d_lock);
|
|
kfree(path);
|
|
} else if (req->r_path1) {
|
|
seq_printf(s, " #%llx/%s", req->r_ino1.ino,
|
|
req->r_path1);
|
|
}
|
|
|
|
if (req->r_old_dentry) {
|
|
path = ceph_mdsc_build_path(req->r_old_dentry, &pathlen,
|
|
&pathbase, 0);
|
|
spin_lock(&req->r_old_dentry->d_lock);
|
|
seq_printf(s, " #%llx/%.*s (%s)",
|
|
ceph_ino(req->r_old_dentry->d_parent->d_inode),
|
|
req->r_old_dentry->d_name.len,
|
|
req->r_old_dentry->d_name.name,
|
|
path ? path : "");
|
|
spin_unlock(&req->r_old_dentry->d_lock);
|
|
kfree(path);
|
|
} else if (req->r_path2) {
|
|
if (req->r_ino2.ino)
|
|
seq_printf(s, " #%llx/%s", req->r_ino2.ino,
|
|
req->r_path2);
|
|
else
|
|
seq_printf(s, " %s", req->r_path2);
|
|
}
|
|
|
|
seq_printf(s, "\n");
|
|
}
|
|
mutex_unlock(&mdsc->mutex);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int osdc_show(struct seq_file *s, void *pp)
|
|
{
|
|
struct ceph_client *client = s->private;
|
|
struct ceph_osd_client *osdc = &client->osdc;
|
|
struct rb_node *p;
|
|
|
|
mutex_lock(&osdc->request_mutex);
|
|
for (p = rb_first(&osdc->requests); p; p = rb_next(p)) {
|
|
struct ceph_osd_request *req;
|
|
struct ceph_osd_request_head *head;
|
|
struct ceph_osd_op *op;
|
|
int num_ops;
|
|
int opcode, olen;
|
|
int i;
|
|
|
|
req = rb_entry(p, struct ceph_osd_request, r_node);
|
|
|
|
seq_printf(s, "%lld\tosd%d\t%d.%x\t", req->r_tid,
|
|
req->r_osd ? req->r_osd->o_osd : -1,
|
|
le32_to_cpu(req->r_pgid.pool),
|
|
le16_to_cpu(req->r_pgid.ps));
|
|
|
|
head = req->r_request->front.iov_base;
|
|
op = (void *)(head + 1);
|
|
|
|
num_ops = le16_to_cpu(head->num_ops);
|
|
olen = le32_to_cpu(head->object_len);
|
|
seq_printf(s, "%.*s", olen,
|
|
(const char *)(head->ops + num_ops));
|
|
|
|
if (req->r_reassert_version.epoch)
|
|
seq_printf(s, "\t%u'%llu",
|
|
(unsigned)le32_to_cpu(req->r_reassert_version.epoch),
|
|
le64_to_cpu(req->r_reassert_version.version));
|
|
else
|
|
seq_printf(s, "\t");
|
|
|
|
for (i = 0; i < num_ops; i++) {
|
|
opcode = le16_to_cpu(op->op);
|
|
seq_printf(s, "\t%s", ceph_osd_op_name(opcode));
|
|
op++;
|
|
}
|
|
|
|
seq_printf(s, "\n");
|
|
}
|
|
mutex_unlock(&osdc->request_mutex);
|
|
return 0;
|
|
}
|
|
|
|
static int caps_show(struct seq_file *s, void *p)
|
|
{
|
|
struct ceph_client *client = p;
|
|
int total, avail, used, reserved;
|
|
|
|
ceph_reservation_status(client, &total, &avail, &used, &reserved);
|
|
seq_printf(s, "total\t\t%d\n"
|
|
"avail\t\t%d\n"
|
|
"used\t\t%d\n"
|
|
"reserved\t%d\n",
|
|
total, avail, used, reserved);
|
|
return 0;
|
|
}
|
|
|
|
static int dentry_lru_show(struct seq_file *s, void *ptr)
|
|
{
|
|
struct ceph_client *client = s->private;
|
|
struct ceph_mds_client *mdsc = &client->mdsc;
|
|
struct ceph_dentry_info *di;
|
|
|
|
spin_lock(&mdsc->dentry_lru_lock);
|
|
list_for_each_entry(di, &mdsc->dentry_lru, lru) {
|
|
struct dentry *dentry = di->dentry;
|
|
seq_printf(s, "%p %p\t%.*s\n",
|
|
di, dentry, dentry->d_name.len, dentry->d_name.name);
|
|
}
|
|
spin_unlock(&mdsc->dentry_lru_lock);
|
|
|
|
return 0;
|
|
}
|
|
|
|
#define DEFINE_SHOW_FUNC(name) \
|
|
static int name##_open(struct inode *inode, struct file *file) \
|
|
{ \
|
|
struct seq_file *sf; \
|
|
int ret; \
|
|
\
|
|
ret = single_open(file, name, NULL); \
|
|
sf = file->private_data; \
|
|
sf->private = inode->i_private; \
|
|
return ret; \
|
|
} \
|
|
\
|
|
static const struct file_operations name##_fops = { \
|
|
.open = name##_open, \
|
|
.read = seq_read, \
|
|
.llseek = seq_lseek, \
|
|
.release = single_release, \
|
|
};
|
|
|
|
DEFINE_SHOW_FUNC(monmap_show)
|
|
DEFINE_SHOW_FUNC(mdsmap_show)
|
|
DEFINE_SHOW_FUNC(osdmap_show)
|
|
DEFINE_SHOW_FUNC(monc_show)
|
|
DEFINE_SHOW_FUNC(mdsc_show)
|
|
DEFINE_SHOW_FUNC(osdc_show)
|
|
DEFINE_SHOW_FUNC(dentry_lru_show)
|
|
DEFINE_SHOW_FUNC(caps_show)
|
|
|
|
static int congestion_kb_set(void *data, u64 val)
|
|
{
|
|
struct ceph_client *client = (struct ceph_client *)data;
|
|
|
|
if (client)
|
|
client->mount_args->congestion_kb = (int)val;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int congestion_kb_get(void *data, u64 *val)
|
|
{
|
|
struct ceph_client *client = (struct ceph_client *)data;
|
|
|
|
if (client)
|
|
*val = (u64)client->mount_args->congestion_kb;
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
DEFINE_SIMPLE_ATTRIBUTE(congestion_kb_fops, congestion_kb_get,
|
|
congestion_kb_set, "%llu\n");
|
|
|
|
int __init ceph_debugfs_init(void)
|
|
{
|
|
ceph_debugfs_dir = debugfs_create_dir("ceph", NULL);
|
|
if (!ceph_debugfs_dir)
|
|
return -ENOMEM;
|
|
return 0;
|
|
}
|
|
|
|
void ceph_debugfs_cleanup(void)
|
|
{
|
|
debugfs_remove(ceph_debugfs_dir);
|
|
}
|
|
|
|
int ceph_debugfs_client_init(struct ceph_client *client)
|
|
{
|
|
int ret = 0;
|
|
char name[80];
|
|
|
|
snprintf(name, sizeof(name), FSID_FORMAT ".client%lld",
|
|
PR_FSID(&client->fsid), client->monc.auth->global_id);
|
|
|
|
client->debugfs_dir = debugfs_create_dir(name, ceph_debugfs_dir);
|
|
if (!client->debugfs_dir)
|
|
goto out;
|
|
|
|
client->monc.debugfs_file = debugfs_create_file("monc",
|
|
0600,
|
|
client->debugfs_dir,
|
|
client,
|
|
&monc_show_fops);
|
|
if (!client->monc.debugfs_file)
|
|
goto out;
|
|
|
|
client->mdsc.debugfs_file = debugfs_create_file("mdsc",
|
|
0600,
|
|
client->debugfs_dir,
|
|
client,
|
|
&mdsc_show_fops);
|
|
if (!client->mdsc.debugfs_file)
|
|
goto out;
|
|
|
|
client->osdc.debugfs_file = debugfs_create_file("osdc",
|
|
0600,
|
|
client->debugfs_dir,
|
|
client,
|
|
&osdc_show_fops);
|
|
if (!client->osdc.debugfs_file)
|
|
goto out;
|
|
|
|
client->debugfs_monmap = debugfs_create_file("monmap",
|
|
0600,
|
|
client->debugfs_dir,
|
|
client,
|
|
&monmap_show_fops);
|
|
if (!client->debugfs_monmap)
|
|
goto out;
|
|
|
|
client->debugfs_mdsmap = debugfs_create_file("mdsmap",
|
|
0600,
|
|
client->debugfs_dir,
|
|
client,
|
|
&mdsmap_show_fops);
|
|
if (!client->debugfs_mdsmap)
|
|
goto out;
|
|
|
|
client->debugfs_osdmap = debugfs_create_file("osdmap",
|
|
0600,
|
|
client->debugfs_dir,
|
|
client,
|
|
&osdmap_show_fops);
|
|
if (!client->debugfs_osdmap)
|
|
goto out;
|
|
|
|
client->debugfs_dentry_lru = debugfs_create_file("dentry_lru",
|
|
0600,
|
|
client->debugfs_dir,
|
|
client,
|
|
&dentry_lru_show_fops);
|
|
if (!client->debugfs_dentry_lru)
|
|
goto out;
|
|
|
|
client->debugfs_caps = debugfs_create_file("caps",
|
|
0400,
|
|
client->debugfs_dir,
|
|
client,
|
|
&caps_show_fops);
|
|
if (!client->debugfs_caps)
|
|
goto out;
|
|
|
|
client->debugfs_congestion_kb = debugfs_create_file("writeback_congestion_kb",
|
|
0600,
|
|
client->debugfs_dir,
|
|
client,
|
|
&congestion_kb_fops);
|
|
if (!client->debugfs_congestion_kb)
|
|
goto out;
|
|
|
|
sprintf(name, "../../bdi/%s", dev_name(client->sb->s_bdi->dev));
|
|
client->debugfs_bdi = debugfs_create_symlink("bdi", client->debugfs_dir,
|
|
name);
|
|
|
|
return 0;
|
|
|
|
out:
|
|
ceph_debugfs_client_cleanup(client);
|
|
return ret;
|
|
}
|
|
|
|
void ceph_debugfs_client_cleanup(struct ceph_client *client)
|
|
{
|
|
debugfs_remove(client->debugfs_bdi);
|
|
debugfs_remove(client->debugfs_caps);
|
|
debugfs_remove(client->debugfs_dentry_lru);
|
|
debugfs_remove(client->debugfs_osdmap);
|
|
debugfs_remove(client->debugfs_mdsmap);
|
|
debugfs_remove(client->debugfs_monmap);
|
|
debugfs_remove(client->osdc.debugfs_file);
|
|
debugfs_remove(client->mdsc.debugfs_file);
|
|
debugfs_remove(client->monc.debugfs_file);
|
|
debugfs_remove(client->debugfs_congestion_kb);
|
|
debugfs_remove(client->debugfs_dir);
|
|
}
|
|
|
|
#else // CONFIG_DEBUG_FS
|
|
|
|
int __init ceph_debugfs_init(void)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
void ceph_debugfs_cleanup(void)
|
|
{
|
|
}
|
|
|
|
int ceph_debugfs_client_init(struct ceph_client *client)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
void ceph_debugfs_client_cleanup(struct ceph_client *client)
|
|
{
|
|
}
|
|
|
|
#endif // CONFIG_DEBUG_FS
|