fs/lockd/trace.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #undef TRACE_SYSTEM
   3 #define TRACE_SYSTEM lockd
   4
   5 #if !defined(_TRACE_LOCKD_H) || defined(TRACE_HEADER_MULTI_READ)
   6 #define _TRACE_LOCKD_H
   7
   8 #include <linux/tracepoint.h>
   9 #include <linux/crc32.h>
  10 #include <linux/nfs.h>
  11 #include <linux/lockd/lockd.h>
  12
  13 #ifdef CONFIG_LOCKD_V4
  14 #define NLM_STATUS_LIST                                 \
  15         nlm_status_code(LCK_GRANTED)                    \
  16         nlm_status_code(LCK_DENIED)                     \
  17         nlm_status_code(LCK_DENIED_NOLOCKS)             \
  18         nlm_status_code(LCK_BLOCKED)                    \
  19         nlm_status_code(LCK_DENIED_GRACE_PERIOD)        \
  20         nlm_status_code(DEADLCK)                        \
  21         nlm_status_code(ROFS)                           \
  22         nlm_status_code(STALE_FH)                       \
  23         nlm_status_code(FBIG)                           \
  24         nlm_status_code_end(FAILED)
  25 #else
  26 #define NLM_STATUS_LIST                                 \
  27         nlm_status_code(LCK_GRANTED)                    \
  28         nlm_status_code(LCK_DENIED)                     \
  29         nlm_status_code(LCK_DENIED_NOLOCKS)             \
  30         nlm_status_code(LCK_BLOCKED)                    \
  31         nlm_status_code_end(LCK_DENIED_GRACE_PERIOD)
  32 #endif
  33
  34 #undef nlm_status_code
  35 #undef nlm_status_code_end
  36 #define nlm_status_code(x)      TRACE_DEFINE_ENUM(NLM_##x);
  37 #define nlm_status_code_end(x)  TRACE_DEFINE_ENUM(NLM_##x);
  38
  39 NLM_STATUS_LIST
  40
  41 #undef nlm_status_code
  42 #undef nlm_status_code_end
  43 #define nlm_status_code(x)      { NLM_##x, #x },
  44 #define nlm_status_code_end(x)  { NLM_##x, #x }
  45
  46 #define show_nlm_status(x)      __print_symbolic(x, NLM_STATUS_LIST)
  47
  48 DECLARE_EVENT_CLASS(nlmclnt_lock_event,
  49                 TP_PROTO(
  50                         const struct nlm_lock *lock,
  51                         const struct sockaddr *addr,
  52                         unsigned int addrlen,
  53                         __be32 status
  54                 ),
  55
  56                 TP_ARGS(lock, addr, addrlen, status),
  57
  58                 TP_STRUCT__entry(
  59                         __field(u32, oh)
  60                         __field(u32, svid)
  61                         __field(u32, fh)
  62                         __field(unsigned long, status)
  63                         __field(u64, start)
  64                         __field(u64, len)
  65                         __sockaddr(addr, addrlen)
  66                 ),
  67
  68                 TP_fast_assign(
  69                         __entry->oh = ~crc32_le(0xffffffff, lock->oh.data, lock->oh.len);
  70                         __entry->svid = lock->svid;
  71                         __entry->fh = nfs_fhandle_hash(&lock->fh);
  72                         __entry->start = lock->lock_start;
  73                         __entry->len = lock->lock_len;
  74                         __entry->status = be32_to_cpu(status);
  75                         __assign_sockaddr(addr, addr, addrlen);
  76                 ),
  77
  78                 TP_printk(
  79                         "addr=%pISpc oh=0x%08x svid=0x%08x fh=0x%08x start=%llu len=%llu status=%s",
  80                         __get_sockaddr(addr), __entry->oh, __entry->svid,
  81                         __entry->fh, __entry->start, __entry->len,
  82                         show_nlm_status(__entry->status)
  83                 )
  84 );
  85
  86 #define DEFINE_NLMCLNT_EVENT(name)                              \
  87         DEFINE_EVENT(nlmclnt_lock_event, name,                  \
  88                         TP_PROTO(                               \
  89                                 const struct nlm_lock *lock,    \
  90                                 const struct sockaddr *addr,    \
  91                                 unsigned int addrlen,           \
  92                                 __be32  status                  \
  93                         ),                                      \
  94                         TP_ARGS(lock, addr, addrlen, status))
  95
  96 DEFINE_NLMCLNT_EVENT(nlmclnt_test);
  97 DEFINE_NLMCLNT_EVENT(nlmclnt_lock);
  98 DEFINE_NLMCLNT_EVENT(nlmclnt_unlock);
  99 DEFINE_NLMCLNT_EVENT(nlmclnt_grant);
 100
 101 #endif /* _TRACE_LOCKD_H */
 102
 103 #undef TRACE_INCLUDE_PATH
 104 #define TRACE_INCLUDE_PATH .
 105 #define TRACE_INCLUDE_FILE trace
 106 #include <trace/define_trace.h>