From cde9070d9970eef1f7ec2360586c802a16230ad8 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 07:43:50 +0000
Subject: [PATCH] rtl88x2CE_WiFi_linux driver
---
kernel/fs/ceph/debugfs.c | 219 ++++++++++++++++++++++++++++++++++++++----------------
1 files changed, 154 insertions(+), 65 deletions(-)
diff --git a/kernel/fs/ceph/debugfs.c b/kernel/fs/ceph/debugfs.c
index e6b7d43..7a8fbe3 100644
--- a/kernel/fs/ceph/debugfs.c
+++ b/kernel/fs/ceph/debugfs.c
@@ -7,6 +7,8 @@
#include <linux/ctype.h>
#include <linux/debugfs.h>
#include <linux/seq_file.h>
+#include <linux/math64.h>
+#include <linux/ktime.h>
#include <linux/ceph/libceph.h>
#include <linux/ceph/mon_client.h>
@@ -18,6 +20,7 @@
#ifdef CONFIG_DEBUG_FS
#include "mds_client.h"
+#include "metric.h"
static int mdsmap_show(struct seq_file *s, void *p)
{
@@ -33,11 +36,11 @@
seq_printf(s, "max_mds %d\n", mdsmap->m_max_mds);
seq_printf(s, "session_timeout %d\n", mdsmap->m_session_timeout);
seq_printf(s, "session_autoclose %d\n", mdsmap->m_session_autoclose);
- for (i = 0; i < mdsmap->m_num_mds; i++) {
+ for (i = 0; i < mdsmap->possible_max_rank; i++) {
struct ceph_entity_addr *addr = &mdsmap->m_info[i].addr;
int state = mdsmap->m_info[i].state;
seq_printf(s, "\tmds%d\t%s\t(%s)\n", i,
- ceph_pr_addr(&addr->in_addr),
+ ceph_pr_addr(addr),
ceph_mds_state_name(state));
}
return 0;
@@ -52,7 +55,7 @@
struct ceph_mds_client *mdsc = fsc->mdsc;
struct ceph_mds_request *req;
struct rb_node *rp;
- int pathlen;
+ int pathlen = 0;
u64 pathbase;
char *path;
@@ -88,7 +91,7 @@
req->r_dentry,
path ? path : "");
spin_unlock(&req->r_dentry->d_lock);
- kfree(path);
+ ceph_mdsc_free_path(path, pathlen);
} else if (req->r_path1) {
seq_printf(s, " #%llx/%s", req->r_ino1.ino,
req->r_path1);
@@ -108,7 +111,7 @@
req->r_old_dentry,
path ? path : "");
spin_unlock(&req->r_old_dentry->d_lock);
- kfree(path);
+ ceph_mdsc_free_path(path, pathlen);
} 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,
@@ -124,34 +127,143 @@
return 0;
}
+#define CEPH_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); \
+ _max = ktime_to_us(max); \
+ _total = total - 1; \
+ _sq = _total > 0 ? DIV64_U64_ROUND_CLOSEST(sq, _total) : 0; \
+ _st = int_sqrt64(_sq); \
+ _st = ktime_to_us(_st); \
+ seq_printf(s, "%-14s%-12lld%-16lld%-16lld%-16lld%lld\n", \
+ name, total, _avg, _min, _max, _st); \
+}
+
+static int metric_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 nr_caps = 0;
+ s64 total, sum, avg, min, max, sq;
+
+ sum = percpu_counter_sum(&m->total_inodes);
+ seq_printf(s, "item total\n");
+ seq_printf(s, "------------------------------------------\n");
+ seq_printf(s, "%-35s%lld / %lld\n", "opened files / total inodes",
+ atomic64_read(&m->opened_files), sum);
+ seq_printf(s, "%-35s%lld / %lld\n", "pinned i_caps / total inodes",
+ atomic64_read(&m->total_caps), sum);
+ seq_printf(s, "%-35s%lld / %lld\n", "opened inodes / total inodes",
+ percpu_counter_sum(&m->opened_inodes), sum);
+
+ seq_printf(s, "\n");
+ 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");
+ seq_printf(s, "item total miss hit\n");
+ seq_printf(s, "-------------------------------------------------\n");
+
+ seq_printf(s, "%-14s%-16lld%-16lld%lld\n", "d_lease",
+ atomic64_read(&m->total_dentries),
+ percpu_counter_sum(&m->d_lease_mis),
+ percpu_counter_sum(&m->d_lease_hit));
+
+ 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));
+
+ return 0;
+}
+
+static int caps_show_cb(struct inode *inode, struct ceph_cap *cap, void *p)
+{
+ struct seq_file *s = p;
+
+ 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));
+ return 0;
+}
+
static int caps_show(struct seq_file *s, void *p)
{
struct ceph_fs_client *fsc = s->private;
- int total, avail, used, reserved, min;
+ struct ceph_mds_client *mdsc = fsc->mdsc;
+ int total, avail, used, reserved, min, i;
+ struct cap_wait *cw;
ceph_reservation_status(fsc, &total, &avail, &used, &reserved, &min);
seq_printf(s, "total\t\t%d\n"
"avail\t\t%d\n"
"used\t\t%d\n"
"reserved\t%d\n"
- "min\t%d\n",
+ "min\t\t%d\n\n",
total, avail, used, reserved, min);
- return 0;
-}
+ seq_printf(s, "ino mds issued implemented\n");
+ seq_printf(s, "--------------------------------------------------\n");
-static int dentry_lru_show(struct seq_file *s, void *ptr)
-{
- struct ceph_fs_client *fsc = s->private;
- struct ceph_mds_client *mdsc = fsc->mdsc;
- struct ceph_dentry_info *di;
+ mutex_lock(&mdsc->mutex);
+ for (i = 0; i < mdsc->max_sessions; i++) {
+ struct ceph_mds_session *session;
- 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%pd\n",
- di, dentry, dentry);
+ session = __ceph_lookup_mds_session(mdsc, i);
+ if (!session)
+ continue;
+ mutex_unlock(&mdsc->mutex);
+ mutex_lock(&session->s_mutex);
+ ceph_iterate_session_caps(session, caps_show_cb, s);
+ mutex_unlock(&session->s_mutex);
+ ceph_put_mds_session(session);
+ mutex_lock(&mdsc->mutex);
}
- spin_unlock(&mdsc->dentry_lru_lock);
+ mutex_unlock(&mdsc->mutex);
+
+ seq_printf(s, "\n\nWaiters:\n--------\n");
+ seq_printf(s, "tgid ino need want\n");
+ seq_printf(s, "-----------------------------------------------------\n");
+
+ spin_lock(&mdsc->caps_list_lock);
+ list_for_each_entry(cw, &mdsc->cap_wait_list, list) {
+ seq_printf(s, "%-13d0x%-17llx%-17s%-17s\n", cw->tgid, cw->ino,
+ ceph_cap_string(cw->need),
+ ceph_cap_string(cw->want));
+ }
+ spin_unlock(&mdsc->caps_list_lock);
return 0;
}
@@ -162,7 +274,7 @@
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);
@@ -192,11 +304,11 @@
return 0;
}
-CEPH_DEFINE_SHOW_FUNC(mdsmap_show)
-CEPH_DEFINE_SHOW_FUNC(mdsc_show)
-CEPH_DEFINE_SHOW_FUNC(caps_show)
-CEPH_DEFINE_SHOW_FUNC(dentry_lru_show)
-CEPH_DEFINE_SHOW_FUNC(mds_sessions_show)
+DEFINE_SHOW_ATTRIBUTE(mdsmap);
+DEFINE_SHOW_ATTRIBUTE(mdsc);
+DEFINE_SHOW_ATTRIBUTE(caps);
+DEFINE_SHOW_ATTRIBUTE(mds_sessions);
+DEFINE_SHOW_ATTRIBUTE(metric);
/*
@@ -230,25 +342,21 @@
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_mdsc);
- debugfs_remove(fsc->debugfs_dentry_lru);
}
-int ceph_fs_debugfs_init(struct ceph_fs_client *fsc)
+void ceph_fs_debugfs_init(struct ceph_fs_client *fsc)
{
char name[100];
- int err = -ENOMEM;
dout("ceph_fs_debugfs_init\n");
- BUG_ON(!fsc->client->debugfs_dir);
fsc->debugfs_congestion_kb =
debugfs_create_file("writeback_congestion_kb",
0600,
fsc->client->debugfs_dir,
fsc,
&congestion_kb_fops);
- if (!fsc->debugfs_congestion_kb)
- goto out;
snprintf(name, sizeof(name), "../../bdi/%s",
bdi_dev_name(fsc->sb->s_bdi));
@@ -256,62 +364,43 @@
debugfs_create_symlink("bdi",
fsc->client->debugfs_dir,
name);
- if (!fsc->debugfs_bdi)
- goto out;
fsc->debugfs_mdsmap = debugfs_create_file("mdsmap",
0400,
fsc->client->debugfs_dir,
fsc,
- &mdsmap_show_fops);
- if (!fsc->debugfs_mdsmap)
- goto out;
+ &mdsmap_fops);
fsc->debugfs_mds_sessions = debugfs_create_file("mds_sessions",
0400,
fsc->client->debugfs_dir,
fsc,
- &mds_sessions_show_fops);
- if (!fsc->debugfs_mds_sessions)
- goto out;
+ &mds_sessions_fops);
fsc->debugfs_mdsc = debugfs_create_file("mdsc",
0400,
fsc->client->debugfs_dir,
fsc,
- &mdsc_show_fops);
- if (!fsc->debugfs_mdsc)
- goto out;
+ &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_show_fops);
- if (!fsc->debugfs_caps)
- goto out;
-
- fsc->debugfs_dentry_lru = debugfs_create_file("dentry_lru",
- 0400,
- fsc->client->debugfs_dir,
- fsc,
- &dentry_lru_show_fops);
- if (!fsc->debugfs_dentry_lru)
- goto out;
-
- return 0;
-
-out:
- ceph_fs_debugfs_cleanup(fsc);
- return err;
+ 0400,
+ fsc->client->debugfs_dir,
+ fsc,
+ &caps_fops);
}
#else /* CONFIG_DEBUG_FS */
-int ceph_fs_debugfs_init(struct ceph_fs_client *fsc)
+void ceph_fs_debugfs_init(struct ceph_fs_client *fsc)
{
- return 0;
}
void ceph_fs_debugfs_cleanup(struct ceph_fs_client *fsc)
--
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