fs/nfsd/trace.h

   1 /*
   2  * Copyright (c) 2014 Christoph Hellwig.
   3  */
   4 #undef TRACE_SYSTEM
   5 #define TRACE_SYSTEM nfsd
   6
   7 #if !defined(_NFSD_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
   8 #define _NFSD_TRACE_H
   9
  10 #include <linux/tracepoint.h>
  11 #include "nfsfh.h"
  12
  13 DECLARE_EVENT_CLASS(nfsd_io_class,
  14         TP_PROTO(struct svc_rqst *rqstp,
  15                  struct svc_fh  *fhp,
  16                  loff_t         offset,
  17                  int            len),
  18         TP_ARGS(rqstp, fhp, offset, len),
  19         TP_STRUCT__entry(
  20                 __field(__be32, xid)
  21                 __field_struct(struct knfsd_fh, fh)
  22                 __field(loff_t, offset)
  23                 __field(int, len)
  24         ),
  25         TP_fast_assign(
  26                 __entry->xid = rqstp->rq_xid,
  27                 fh_copy_shallow(&__entry->fh, &fhp->fh_handle);
  28                 __entry->offset = offset;
  29                 __entry->len = len;
  30         ),
  31         TP_printk("xid=0x%x fh=0x%x offset=%lld len=%d",
  32                   __be32_to_cpu(__entry->xid), knfsd_fh_hash(&__entry->fh),
  33                   __entry->offset, __entry->len)
  34 )
  35
  36 #define DEFINE_NFSD_IO_EVENT(name)              \
  37 DEFINE_EVENT(nfsd_io_class, name,               \
  38         TP_PROTO(struct svc_rqst *rqstp,        \
  39                  struct svc_fh  *fhp,           \
  40                  loff_t         offset,         \
  41                  int            len),           \
  42         TP_ARGS(rqstp, fhp, offset, len))
  43
  44 DEFINE_NFSD_IO_EVENT(read_start);
  45 DEFINE_NFSD_IO_EVENT(read_opened);
  46 DEFINE_NFSD_IO_EVENT(read_io_done);
  47 DEFINE_NFSD_IO_EVENT(read_done);
  48 DEFINE_NFSD_IO_EVENT(write_start);
  49 DEFINE_NFSD_IO_EVENT(write_opened);
  50 DEFINE_NFSD_IO_EVENT(write_io_done);
  51 DEFINE_NFSD_IO_EVENT(write_done);
  52
  53 #include "state.h"
  54
  55 DECLARE_EVENT_CLASS(nfsd_stateid_class,
  56         TP_PROTO(stateid_t *stp),
  57         TP_ARGS(stp),
  58         TP_STRUCT__entry(
  59                 __field(u32, cl_boot)
  60                 __field(u32, cl_id)
  61                 __field(u32, si_id)
  62                 __field(u32, si_generation)
  63         ),
  64         TP_fast_assign(
  65                 __entry->cl_boot = stp->si_opaque.so_clid.cl_boot;
  66                 __entry->cl_id = stp->si_opaque.so_clid.cl_id;
  67                 __entry->si_id = stp->si_opaque.so_id;
  68                 __entry->si_generation = stp->si_generation;
  69         ),
  70         TP_printk("client %08x:%08x stateid %08x:%08x",
  71                 __entry->cl_boot,
  72                 __entry->cl_id,
  73                 __entry->si_id,
  74                 __entry->si_generation)
  75 )
  76
  77 #define DEFINE_STATEID_EVENT(name) \
  78 DEFINE_EVENT(nfsd_stateid_class, name, \
  79         TP_PROTO(stateid_t *stp), \
  80         TP_ARGS(stp))
  81 DEFINE_STATEID_EVENT(layoutstate_alloc);
  82 DEFINE_STATEID_EVENT(layoutstate_unhash);
  83 DEFINE_STATEID_EVENT(layoutstate_free);
  84 DEFINE_STATEID_EVENT(layout_get_lookup_fail);
  85 DEFINE_STATEID_EVENT(layout_commit_lookup_fail);
  86 DEFINE_STATEID_EVENT(layout_return_lookup_fail);
  87 DEFINE_STATEID_EVENT(layout_recall);
  88 DEFINE_STATEID_EVENT(layout_recall_done);
  89 DEFINE_STATEID_EVENT(layout_recall_fail);
  90 DEFINE_STATEID_EVENT(layout_recall_release);
  91
  92 #endif /* _NFSD_TRACE_H */
  93
  94 #undef TRACE_INCLUDE_PATH
  95 #define TRACE_INCLUDE_PATH .
  96 #define TRACE_INCLUDE_FILE trace
  97 #include <trace/define_trace.h>