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Diffstat (limited to 'fs/ceph/debugfs.c')
-rw-r--r--fs/ceph/debugfs.c229
1 files changed, 153 insertions, 76 deletions
diff --git a/fs/ceph/debugfs.c b/fs/ceph/debugfs.c
index 070ed8481340..f3fe786b4143 100644
--- a/fs/ceph/debugfs.c
+++ b/fs/ceph/debugfs.c
@@ -55,8 +55,6 @@ static int mdsc_show(struct seq_file *s, void *p)
struct ceph_mds_client *mdsc = fsc->mdsc;
struct ceph_mds_request *req;
struct rb_node *rp;
- int pathlen = 0;
- u64 pathbase;
char *path;
mutex_lock(&mdsc->mutex);
@@ -81,8 +79,8 @@ static int mdsc_show(struct seq_file *s, void *p)
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);
+ struct ceph_path_info path_info;
+ path = ceph_mdsc_build_path(mdsc, req->r_dentry, &path_info, 0);
if (IS_ERR(path))
path = NULL;
spin_lock(&req->r_dentry->d_lock);
@@ -91,7 +89,7 @@ static int mdsc_show(struct seq_file *s, void *p)
req->r_dentry,
path ? path : "");
spin_unlock(&req->r_dentry->d_lock);
- ceph_mdsc_free_path(path, pathlen);
+ ceph_mdsc_free_path_info(&path_info);
} else if (req->r_path1) {
seq_printf(s, " #%llx/%s", req->r_ino1.ino,
req->r_path1);
@@ -100,8 +98,8 @@ static int mdsc_show(struct seq_file *s, void *p)
}
if (req->r_old_dentry) {
- path = ceph_mdsc_build_path(req->r_old_dentry, &pathlen,
- &pathbase, 0);
+ struct ceph_path_info path_info;
+ path = ceph_mdsc_build_path(mdsc, req->r_old_dentry, &path_info, 0);
if (IS_ERR(path))
path = NULL;
spin_lock(&req->r_old_dentry->d_lock);
@@ -111,7 +109,7 @@ static int mdsc_show(struct seq_file *s, void *p)
req->r_old_dentry,
path ? path : "");
spin_unlock(&req->r_old_dentry->d_lock);
- ceph_mdsc_free_path(path, pathlen);
+ ceph_mdsc_free_path_info(&path_info);
} else if (req->r_path2 && req->r_op != CEPH_MDS_OP_SYMLINK) {
if (req->r_ino2.ino)
seq_printf(s, " #%llx/%s", req->r_ino2.ino,
@@ -127,7 +125,7 @@ static int mdsc_show(struct seq_file *s, void *p)
return 0;
}
-#define CEPH_METRIC_SHOW(name, total, avg, min, max, sq) { \
+#define CEPH_LAT_METRIC_SHOW(name, total, avg, min, max, sq) { \
s64 _total, _avg, _min, _max, _sq, _st; \
_avg = ktime_to_us(avg); \
_min = ktime_to_us(min == KTIME_MAX ? 0 : min); \
@@ -140,48 +138,98 @@ static int mdsc_show(struct seq_file *s, void *p)
name, total, _avg, _min, _max, _st); \
}
-static int metric_show(struct seq_file *s, void *p)
+#define CEPH_SZ_METRIC_SHOW(name, total, avg, min, max, sum) { \
+ u64 _min = min == U64_MAX ? 0 : min; \
+ seq_printf(s, "%-14s%-12lld%-16llu%-16llu%-16llu%llu\n", \
+ name, total, avg, _min, max, sum); \
+}
+
+static int metrics_file_show(struct seq_file *s, void *p)
{
struct ceph_fs_client *fsc = s->private;
- struct ceph_mds_client *mdsc = fsc->mdsc;
- struct ceph_client_metric *m = &mdsc->metric;
- int i, nr_caps = 0;
- s64 total, sum, avg, min, max, sq;
+ struct ceph_client_metric *m = &fsc->mdsc->metric;
+
+ seq_printf(s, "item total\n");
+ seq_printf(s, "------------------------------------------\n");
+ seq_printf(s, "%-35s%lld\n", "total inodes",
+ percpu_counter_sum(&m->total_inodes));
+ seq_printf(s, "%-35s%lld\n", "opened files",
+ atomic64_read(&m->opened_files));
+ seq_printf(s, "%-35s%lld\n", "pinned i_caps",
+ atomic64_read(&m->total_caps));
+ seq_printf(s, "%-35s%lld\n", "opened inodes",
+ percpu_counter_sum(&m->opened_inodes));
+ return 0;
+}
+
+static const char * const metric_str[] = {
+ "read",
+ "write",
+ "metadata",
+ "copyfrom"
+};
+static int metrics_latency_show(struct seq_file *s, void *p)
+{
+ struct ceph_fs_client *fsc = s->private;
+ struct ceph_client_metric *cm = &fsc->mdsc->metric;
+ struct ceph_metric *m;
+ s64 total, avg, min, max, sq;
+ int i;
seq_printf(s, "item total avg_lat(us) min_lat(us) max_lat(us) stdev(us)\n");
seq_printf(s, "-----------------------------------------------------------------------------------\n");
- spin_lock(&m->read_latency_lock);
- total = m->total_reads;
- sum = m->read_latency_sum;
- avg = total > 0 ? DIV64_U64_ROUND_CLOSEST(sum, total) : 0;
- min = m->read_latency_min;
- max = m->read_latency_max;
- sq = m->read_latency_sq_sum;
- spin_unlock(&m->read_latency_lock);
- CEPH_METRIC_SHOW("read", total, avg, min, max, sq);
-
- spin_lock(&m->write_latency_lock);
- total = m->total_writes;
- sum = m->write_latency_sum;
- avg = total > 0 ? DIV64_U64_ROUND_CLOSEST(sum, total) : 0;
- min = m->write_latency_min;
- max = m->write_latency_max;
- sq = m->write_latency_sq_sum;
- spin_unlock(&m->write_latency_lock);
- CEPH_METRIC_SHOW("write", total, avg, min, max, sq);
-
- spin_lock(&m->metadata_latency_lock);
- total = m->total_metadatas;
- sum = m->metadata_latency_sum;
- avg = total > 0 ? DIV64_U64_ROUND_CLOSEST(sum, total) : 0;
- min = m->metadata_latency_min;
- max = m->metadata_latency_max;
- sq = m->metadata_latency_sq_sum;
- spin_unlock(&m->metadata_latency_lock);
- CEPH_METRIC_SHOW("metadata", total, avg, min, max, sq);
-
- seq_printf(s, "\n");
+ for (i = 0; i < METRIC_MAX; i++) {
+ m = &cm->metric[i];
+ spin_lock(&m->lock);
+ total = m->total;
+ avg = m->latency_avg;
+ min = m->latency_min;
+ max = m->latency_max;
+ sq = m->latency_sq_sum;
+ spin_unlock(&m->lock);
+ CEPH_LAT_METRIC_SHOW(metric_str[i], total, avg, min, max, sq);
+ }
+
+ return 0;
+}
+
+static int metrics_size_show(struct seq_file *s, void *p)
+{
+ struct ceph_fs_client *fsc = s->private;
+ struct ceph_client_metric *cm = &fsc->mdsc->metric;
+ struct ceph_metric *m;
+ s64 total;
+ u64 sum, avg, min, max;
+ int i;
+
+ seq_printf(s, "item total avg_sz(bytes) min_sz(bytes) max_sz(bytes) total_sz(bytes)\n");
+ seq_printf(s, "----------------------------------------------------------------------------------------\n");
+
+ for (i = 0; i < METRIC_MAX; i++) {
+ /* skip 'metadata' as it doesn't use the size metric */
+ if (i == METRIC_METADATA)
+ continue;
+ m = &cm->metric[i];
+ spin_lock(&m->lock);
+ total = m->total;
+ sum = m->size_sum;
+ avg = total > 0 ? DIV64_U64_ROUND_CLOSEST(sum, total) : 0;
+ min = m->size_min;
+ max = m->size_max;
+ spin_unlock(&m->lock);
+ CEPH_SZ_METRIC_SHOW(metric_str[i], total, avg, min, max, sum);
+ }
+
+ return 0;
+}
+
+static int metrics_caps_show(struct seq_file *s, void *p)
+{
+ struct ceph_fs_client *fsc = s->private;
+ struct ceph_client_metric *m = &fsc->mdsc->metric;
+ int nr_caps = 0;
+
seq_printf(s, "item total miss hit\n");
seq_printf(s, "-------------------------------------------------\n");
@@ -190,17 +238,7 @@ static int metric_show(struct seq_file *s, void *p)
percpu_counter_sum(&m->d_lease_mis),
percpu_counter_sum(&m->d_lease_hit));
- mutex_lock(&mdsc->mutex);
- for (i = 0; i < mdsc->max_sessions; i++) {
- struct ceph_mds_session *s;
-
- s = __ceph_lookup_mds_session(mdsc, i);
- if (!s)
- continue;
- nr_caps += s->s_nr_caps;
- ceph_put_mds_session(s);
- }
- mutex_unlock(&mdsc->mutex);
+ nr_caps = atomic64_read(&m->total_caps);
seq_printf(s, "%-14s%-16d%-16lld%lld\n", "caps", nr_caps,
percpu_counter_sum(&m->i_caps_mis),
percpu_counter_sum(&m->i_caps_hit));
@@ -208,13 +246,20 @@ static int metric_show(struct seq_file *s, void *p)
return 0;
}
-static int caps_show_cb(struct inode *inode, struct ceph_cap *cap, void *p)
+static int caps_show_cb(struct inode *inode, int mds, void *p)
{
+ struct ceph_inode_info *ci = ceph_inode(inode);
struct seq_file *s = p;
-
- seq_printf(s, "0x%-17lx%-17s%-17s\n", inode->i_ino,
- ceph_cap_string(cap->issued),
- ceph_cap_string(cap->implemented));
+ struct ceph_cap *cap;
+
+ spin_lock(&ci->i_ceph_lock);
+ cap = __get_cap_for_mds(ci, mds);
+ if (cap)
+ seq_printf(s, "0x%-17llx%-3d%-17s%-17s\n", ceph_ino(inode),
+ cap->session->s_mds,
+ ceph_cap_string(cap->issued),
+ ceph_cap_string(cap->implemented));
+ spin_unlock(&ci->i_ceph_lock);
return 0;
}
@@ -232,8 +277,8 @@ static int caps_show(struct seq_file *s, void *p)
"reserved\t%d\n"
"min\t\t%d\n\n",
total, avail, used, reserved, min);
- seq_printf(s, "ino issued implemented\n");
- seq_printf(s, "-----------------------------------------------\n");
+ seq_printf(s, "ino mds issued implemented\n");
+ seq_printf(s, "--------------------------------------------------\n");
mutex_lock(&mdsc->mutex);
for (i = 0; i < mdsc->max_sessions; i++) {
@@ -257,7 +302,7 @@ static int caps_show(struct seq_file *s, void *p)
spin_lock(&mdsc->caps_list_lock);
list_for_each_entry(cw, &mdsc->cap_wait_list, list) {
- seq_printf(s, "%-13d0x%-17lx%-17s%-17s\n", cw->tgid, cw->ino,
+ seq_printf(s, "%-13d0x%-17llx%-17s%-17s\n", cw->tgid, cw->ino,
ceph_cap_string(cw->need),
ceph_cap_string(cw->want));
}
@@ -272,7 +317,7 @@ static int mds_sessions_show(struct seq_file *s, void *ptr)
struct ceph_mds_client *mdsc = fsc->mdsc;
struct ceph_auth_client *ac = fsc->client->monc.auth;
struct ceph_options *opt = fsc->client->options;
- int mds = -1;
+ int mds;
mutex_lock(&mdsc->mutex);
@@ -302,11 +347,28 @@ static int mds_sessions_show(struct seq_file *s, void *ptr)
return 0;
}
+static int status_show(struct seq_file *s, void *p)
+{
+ struct ceph_fs_client *fsc = s->private;
+ struct ceph_entity_inst *inst = &fsc->client->msgr.inst;
+ struct ceph_entity_addr *client_addr = ceph_client_addr(fsc->client);
+
+ seq_printf(s, "instance: %s.%lld %s/%u\n", ENTITY_NAME(inst->name),
+ ceph_pr_addr(client_addr), le32_to_cpu(client_addr->nonce));
+ seq_printf(s, "blocklisted: %s\n", str_true_false(fsc->blocklisted));
+
+ return 0;
+}
+
DEFINE_SHOW_ATTRIBUTE(mdsmap);
DEFINE_SHOW_ATTRIBUTE(mdsc);
DEFINE_SHOW_ATTRIBUTE(caps);
DEFINE_SHOW_ATTRIBUTE(mds_sessions);
-DEFINE_SHOW_ATTRIBUTE(metric);
+DEFINE_SHOW_ATTRIBUTE(status);
+DEFINE_SHOW_ATTRIBUTE(metrics_file);
+DEFINE_SHOW_ATTRIBUTE(metrics_latency);
+DEFINE_SHOW_ATTRIBUTE(metrics_size);
+DEFINE_SHOW_ATTRIBUTE(metrics_caps);
/*
@@ -334,21 +396,23 @@ DEFINE_SIMPLE_ATTRIBUTE(congestion_kb_fops, congestion_kb_get,
void ceph_fs_debugfs_cleanup(struct ceph_fs_client *fsc)
{
- dout("ceph_fs_debugfs_cleanup\n");
+ doutc(fsc->client, "begin\n");
debugfs_remove(fsc->debugfs_bdi);
debugfs_remove(fsc->debugfs_congestion_kb);
debugfs_remove(fsc->debugfs_mdsmap);
debugfs_remove(fsc->debugfs_mds_sessions);
debugfs_remove(fsc->debugfs_caps);
- debugfs_remove(fsc->debugfs_metric);
+ debugfs_remove(fsc->debugfs_status);
debugfs_remove(fsc->debugfs_mdsc);
+ debugfs_remove_recursive(fsc->debugfs_metrics_dir);
+ doutc(fsc->client, "done\n");
}
void ceph_fs_debugfs_init(struct ceph_fs_client *fsc)
{
- char name[100];
+ char name[NAME_MAX];
- dout("ceph_fs_debugfs_init\n");
+ doutc(fsc->client, "begin\n");
fsc->debugfs_congestion_kb =
debugfs_create_file("writeback_congestion_kb",
0600,
@@ -381,17 +445,30 @@ void ceph_fs_debugfs_init(struct ceph_fs_client *fsc)
fsc,
&mdsc_fops);
- fsc->debugfs_metric = debugfs_create_file("metrics",
- 0400,
- fsc->client->debugfs_dir,
- fsc,
- &metric_fops);
-
fsc->debugfs_caps = debugfs_create_file("caps",
0400,
fsc->client->debugfs_dir,
fsc,
&caps_fops);
+
+ fsc->debugfs_status = debugfs_create_file("status",
+ 0400,
+ fsc->client->debugfs_dir,
+ fsc,
+ &status_fops);
+
+ fsc->debugfs_metrics_dir = debugfs_create_dir("metrics",
+ fsc->client->debugfs_dir);
+
+ debugfs_create_file("file", 0400, fsc->debugfs_metrics_dir, fsc,
+ &metrics_file_fops);
+ debugfs_create_file("latency", 0400, fsc->debugfs_metrics_dir, fsc,
+ &metrics_latency_fops);
+ debugfs_create_file("size", 0400, fsc->debugfs_metrics_dir, fsc,
+ &metrics_size_fops);
+ debugfs_create_file("caps", 0400, fsc->debugfs_metrics_dir, fsc,
+ &metrics_caps_fops);
+ doutc(fsc->client, "done\n");
}