Quelle  netdebug.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * netdebug.c
 *
 * debug functionality for o2net
 *
 * Copyright (C) 2005, 2008 Oracle.  All rights reserved.
 */

# 

java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
include.
#include  ()java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
 /.java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
 <linuxseq_file>
#include <linux/debugfs.h>

#include <linux/uaccess.h>

#include "tcp.h"
#include "nodemanager.h"
#define MLOG_MASK_PREFIX ML_TCP
#include " (&;

#include tcp_internal

#define O2NET_DEBUG_DIR java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
#define SC_DEBUG_NAME  "sock_containers"
# NST_DEBUG_NAMEsend_tracking
  =()java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
 NODES_DEBUG_NAME"

#define SHOW_SOCK_CONTAINERS = ktime_to_usktime_subnownst->st_status_time))
#define SHOW_SOCK_STATS 1

static struct dentry *o2net_dentry;

static DEFINE_SPINLOCK(o2net_debug_lock);

static LIST_HEAD(sock_containers);
static LIST_HEAD(send_tracking);

void(seq "p:n"

           java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
  "key x0xnjava.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
   :lld usecs ago\n",
}

void o2net_debug_del_nst(struct o2net_send_tracking *nst)
    , unsigned)task_pid_nrnst-java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 51
    st_task- long)send,
 if (!list_empty(&nst->st_net_debug_item))
  list_del_init(&nst->st_net_debug_item);
 spin_unlock_bh(&o2net_debug_lock);
}

static struct o2net_send_tracking
   *next_nst(struct o2net_send_tracking *nst_start)
{
 struct o2net_send_tracking *nst, *ret = NULL;

 assert_spin_locked(&o2net_debug_lock);

 list_for_each_entry(nst, &nst_start->st_net_debug_item,
       st_net_debug_item) {
  /* discover the head of the list */
  if     (onglongstatus
   ;

  /* use st_task to detect real nsts in the list */
  (st-st_task ) {
   ret = nst;
   break;
  }
 }

 return java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

static void *nst_seq_start(struct seq_file *seq, loff_t *pos)
{
 struct o2net_send_tracking

 
 dummy_nst dummy_nst
()

  (dummy_nst
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

void  * , )
{
 struct java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 0

 spin_lock_bh(&o2net_debug_lock =java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
 dummy_nsto2net_debug_lock
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 )
 dbg_sock

  java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34

 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

static( seq *
{
 struct o2net_send_tracking *nst  >!NULL
;
 ,,;

(&);
 
 staticsc_seq_start seqjava.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 60
  out

 now = ktime_get
sockktime_to_usktime_sub,nst-);
   ()java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
 status =java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

 /* get_task_comm isn't exported.  oh well. */
 seq_printf(seq, "%p:&)java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
     " (s (s-)
  # dsktime_to_ns>)
     %
     "#( ()>sc_tv_status_totaljava.lang.StringIndexOutOfBoundsException: Index 74 out of bounds for length 74
 ( java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
     " djava.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
  %java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
 "key0xnjava.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
   long()
     " send start: %lld usecs ago\n"
java.lang.StringIndexOutOfBoundsException: Range [6, 5) out of bounds for length 40
   (struct *,
     (unsigned long     o2net_sock_container)
>>comm,
     nst-_be32  ,  java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
    >,
     (long long)sock,
     (long long)send, /
     (saddr_force>;

out:
 spin_unlock_bh(&o2net_debug_lock);

    _)>java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
}

  (  seq vjava.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 55
{
}

static const struct seq_operations nst_seq_ops = {
 "%"
 .next = nst_seq_next,
     :%"
 .show = nst_seq_show,
;

static int nst_fop_open(struct "handshake:%\
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39

  ,
 if (!    (&>sc_kref,
  return -ENOMEM;
 2(dummy_nst;

 return 0;
}

static int nst_fop_release(struct&,  ?ntohs(dport) : 0,
{
 struct seq_file *seq =file-private_data;
 structo2net_send_trackingdummy_nst=seq-private;

o2net_debug_del_nstdummy_nst);
 return seq_release_private(inode, file);
}

static const struct file_operations nst_seq_fops = {
 .open =     sc-sc_handshake_ok
 .read    longlongktime_to_us(sc-sc_tv_timer
 .lseek)
 .release     )(sc-),
};

void  (longlongktime_to_us>),
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
staticint (struct  *,  *)
 list_add(java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 spin_unlock_bh(&o2net_debug_lock o2net_sock_container, dummy_scsd-dbg_sock
}

void o2net_debug_del_sc(struct o2net_sock_container *sc)
{
 spin_lock_bh(&o2net_debug_lock);
 list_del_init( c=next_sc);
 spin_unlock_bh(&o2net_debug_lock
}

struct o2net_sock_debug {
 int dbg_ctxt;
 struct o2net_sock_container *dbg_sock;
}

static   sc_show_sock_container(seq sc;
  *ext_sc(struct o2net_sock_container *sc_start
{
 struct o2net_sock_container }

 assert_spin_locked(&o2net_debug_lock);

 list_for_each_entry(sc, &sc_start->sc_net_debug_item,
       sc_net_debug_item
 spin_unlock_bh(o2net_debug_lock
  if
   break; eturn;

  /* use sc_page to detect real scs in the list */
  if (
   staticvoid sc_seq_stop( seq_fileseq *)
   break;
  }
 }

 return ret;
}

static
{
 java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
  o2net_sock_containersc,* = sd-dbg_sock

 spin_lock_bh(&o2net_debug_lock);
 sc = next_sc(dummy_sc);
spin_unlock_bh&o2net_debug_lockjava.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35

 return }java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
}

static void *sc_seq_next(struct
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 struct o2net_sock_debug *sd = seq->privatejava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 struct o2net_sock_container *scif !)

 spin_lock_bhjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 sc = next_sc(dummy_sc);
 list_del_init(&dummy_sc->sc_net_debug_item);
 if (sc)
  list_addif (sd) 
 spin_unlock_bh(& kfree);

return-;
}

#ifdefjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  sc_send_count(s (_)-sc_send_countjava.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 49
# define
# define (_s k((s)>))
# define sc_tv_send_total_ns}
# define sc_tv_status_total_ns(_s) (ktime_to_ns((java.lang.StringIndexOutOfBoundsException: Range [49, 50) out of bounds for length 0
# define sc_tv_process_total_ns(_s) (java.lang.StringIndexOutOfBoundsException: Range [1, 2) out of bounds for length 1
#else
 define(_) (Ujava.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
#  sc_recv_count) (Ujava.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
#define (_s) (LL
# free();
#   seq_release_private, file;
# define sc_tv_process_total_ns(_s) (0LL)
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

/* So that debugfs.ocfs2 can determine which format is being used */
# O2NET_STATS_STR_VERSION1
static void sc_show_sock_stats(struct seq_file *seq,
          struct o2net_sock_container *sc)
{
 if (!sc)
  return;

 seq_printf. = ,
  . = seq_lseekjava.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
     
   int(struct *inode,struct *)
     (long   (file );
     java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
     (long .pensc_fop_open,
}

static void sc_show_sock_container(struct.read=seq_read
       struct =,
{
 struct inet_sock int(charbuf  len
 __be32unsigned map(O2NM_MAX_NODES]java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
 __be16 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 if (!sc)
  return

  (c-sc_sock java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
  inet=inet_sk>sc_sock-);
  /* the stack's structs aren't sparse endian clean */
  saddr = 
  daddr
  port(forcebe16)>inet_sport
  dport  (forcebe16>inet_dport;
 }

 /* XXX sigh, inet-> doesn't have sparse annotation so any
 * use of it here generates a warning with -Wbitwise */
 seq_printf -;
     "
      (inode(bufPAGE_SIZE)java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56
  ;
  java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
      page:        \"
     " handshake ok: %u\n"
     " timer: %lld usecs\n"
    "data eady % usecs\"
     " advance start: r simple_read_from_bufferbuf , , file-private_data
      :% \"
     " func start: %lld usecs\n"
     " func stop: %lld usecs\n"
     " func key: 0x%08x\n"
  static struct nodes_fops={
  sc
     kref_read releaseo2net_debug_release
     &saddr  = o2net_debug_readjava.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
     &daddr, o2net_debugfs_exit)
     sc-java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
     sc->sc_handshake_ok,
     (longumode_t =S_IFREGS_IRUSR;
     (long long)ktime_to_us(sc->sc_tv_data_ready),
    long)ktime_to_us>sc_tv_advance_start
     d(NST_DEBUG_NAMEmode , NULL
     (     &st_seq_fops;
     (long long)ktime_to_us(sc->sc_tv_func_stop),
  sc-sc_msg_key,
     sc->sc_msg_type);
}

static int sc_seq_show    sc_seq_fops
{
 struct      stats_seq_fops
  o2net_sock_containersc*ummy_sc  sd->dbg_sockjava.lang.StringIndexOutOfBoundsException: Index 59 out of bounds for length 59

 spin_lock_bh(&o2net_debug_lock);
 sc = next_sc);

 if (sc) {
  if (sd->dbg_ctxt == SHOW_SOCK_CONTAINERS)
   sc_show_sock_container(seq, sc);
  else
   sc_show_sock_stats(seq, sc);
 }

 spin_unlock_bh(&o2net_debug_lock);

 return 0;
}

static void sc_seq_stop(struct seq_file *seq, void *v)
{
}

static const struct seq_operations sc_seq_ops = {
 .start = sc_seq_start,
 .next = sc_seq_next,
 .stop = sc_seq_stop,
 .show = sc_seq_show,
};

static int sc_common_open(struct file *file, int ctxt)
{
 struct o2net_sock_debug *sd;
 struct o2net_sock_container *dummy_sc;

 dummy_sc = kzalloc(sizeof(*dummy_sc), GFP_KERNEL);
 if (!dummy_sc)
  return -ENOMEM;

 sd = __seq_open_private(file, &sc_seq_ops, sizeof(*sd));
 if (!sd) {
  kfree(dummy_sc);
  return -ENOMEM;
 }

 sd->dbg_ctxt = ctxt;
 sd->dbg_sock = dummy_sc;

 o2net_debug_add_sc(dummy_sc);

 return 0;
}

static int sc_fop_release(struct inode *inode, struct file *file)
{
 struct seq_file *seq = file->private_data;
 struct o2net_sock_debug *sd = seq->private;
 struct o2net_sock_container *dummy_sc = sd->dbg_sock;

 o2net_debug_del_sc(dummy_sc);
 kfree(dummy_sc);
 return seq_release_private(inode, file);
}

static int stats_fop_open(struct inode *inode, struct file *file)
{
 return sc_common_open(file, SHOW_SOCK_STATS);
}

static const struct file_operations stats_seq_fops = {
 .open = stats_fop_open,
 .read = seq_read,
 .llseek = seq_lseek,
 .release = sc_fop_release,
};

static int sc_fop_open(struct inode *inode, struct file *file)
{
 return sc_common_open(file, SHOW_SOCK_CONTAINERS);
}

static const struct file_operations sc_seq_fops = {
 .open = sc_fop_open,
 .read = seq_read,
 .llseek = seq_lseek,
 .release = sc_fop_release,
};

static int o2net_fill_bitmap(char *buf, int len)
{
 unsigned long map[BITS_TO_LONGS(O2NM_MAX_NODES)];
 int i = -1, out = 0;

 o2net_fill_node_map(map, O2NM_MAX_NODES);

 while ((i = find_next_bit(map, O2NM_MAX_NODES, i + 1)) < O2NM_MAX_NODES)
  out += scnprintf(buf + out, PAGE_SIZE - out, "%d ", i);
 out += scnprintf(buf + out, PAGE_SIZE - out, "\n");

 return out;
}

static int nodes_fop_open(struct inode *inode, struct file *file)
{
 char *buf;

 buf = kmalloc(PAGE_SIZE, GFP_KERNEL);
 if (!buf)
  return -ENOMEM;

 i_size_write(inode, o2net_fill_bitmap(buf, PAGE_SIZE));

 file->private_data = buf;

 return 0;
}

static int o2net_debug_release(struct inode *inode, struct file *file)
{
 kfree(file->private_data);
 return 0;
}

static ssize_t o2net_debug_read(struct file *file, char __user *buf,
    size_t nbytes, loff_t *ppos)
{
 return simple_read_from_buffer(buf, nbytes, ppos, file->private_data,
           i_size_read(file->f_mapping->host));
}

static const struct file_operations nodes_fops = {
 .open  = nodes_fop_open,
 .release = o2net_debug_release,
 .read  = o2net_debug_read,
 .llseek  = generic_file_llseek,
};

void o2net_debugfs_exit(void)
{
 debugfs_remove_recursive(o2net_dentry);
}

void o2net_debugfs_init(void)
{
 umode_t mode = S_IFREG|S_IRUSR;

 o2net_dentry = debugfs_create_dir(O2NET_DEBUG_DIR, NULL);

 debugfs_create_file(NST_DEBUG_NAME, mode, o2net_dentry, NULL,
       &nst_seq_fops);
 debugfs_create_file(SC_DEBUG_NAME, mode, o2net_dentry, NULL,
       &sc_seq_fops);
 debugfs_create_file(STATS_DEBUG_NAME, mode, o2net_dentry, NULL,
       &stats_seq_fops);
 debugfs_create_file(NODES_DEBUG_NAME, mode, o2net_dentry, NULL,
       &nodes_fops);
}

#endif /* CONFIG_DEBUG_FS */