fs/nfsd/trace.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * Copyright (c) 2014 Christoph Hellwig.
   4  */
   5 #undef TRACE_SYSTEM
   6 #define TRACE_SYSTEM nfsd
   7
   8 #if !defined(_NFSD_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
   9 #define _NFSD_TRACE_H
  10
  11 #include <linux/tracepoint.h>
  12 #include "nfsfh.h"
  13
  14 DECLARE_EVENT_CLASS(nfsd_io_class,
  15         TP_PROTO(struct svc_rqst *rqstp,
  16                  struct svc_fh  *fhp,
  17                  loff_t         offset,
  18                  int            len),
  19         TP_ARGS(rqstp, fhp, offset, len),
  20         TP_STRUCT__entry(
  21                 __field(__be32, xid)
  22                 __field_struct(struct knfsd_fh, fh)
  23                 __field(loff_t, offset)
  24                 __field(int, len)
  25         ),
  26         TP_fast_assign(
  27                 __entry->xid = rqstp->rq_xid,
  28                 fh_copy_shallow(&__entry->fh, &fhp->fh_handle);
  29                 __entry->offset = offset;
  30                 __entry->len = len;
  31         ),
  32         TP_printk("xid=0x%x fh=0x%x offset=%lld len=%d",
  33                   __be32_to_cpu(__entry->xid), knfsd_fh_hash(&__entry->fh),
  34                   __entry->offset, __entry->len)
  35 )
  36
  37 #define DEFINE_NFSD_IO_EVENT(name)              \
  38 DEFINE_EVENT(nfsd_io_class, name,               \
  39         TP_PROTO(struct svc_rqst *rqstp,        \
  40                  struct svc_fh  *fhp,           \
  41                  loff_t         offset,         \
  42                  int            len),           \
  43         TP_ARGS(rqstp, fhp, offset, len))
  44
  45 DEFINE_NFSD_IO_EVENT(read_start);
  46 DEFINE_NFSD_IO_EVENT(read_opened);
  47 DEFINE_NFSD_IO_EVENT(read_io_done);
  48 DEFINE_NFSD_IO_EVENT(read_done);
  49 DEFINE_NFSD_IO_EVENT(write_start);
  50 DEFINE_NFSD_IO_EVENT(write_opened);
  51 DEFINE_NFSD_IO_EVENT(write_io_done);
  52 DEFINE_NFSD_IO_EVENT(write_done);
  53
  54 #include "state.h"
  55
  56 DECLARE_EVENT_CLASS(nfsd_stateid_class,
  57         TP_PROTO(stateid_t *stp),
  58         TP_ARGS(stp),
  59         TP_STRUCT__entry(
  60                 __field(u32, cl_boot)
  61                 __field(u32, cl_id)
  62                 __field(u32, si_id)
  63                 __field(u32, si_generation)
  64         ),
  65         TP_fast_assign(
  66                 __entry->cl_boot = stp->si_opaque.so_clid.cl_boot;
  67                 __entry->cl_id = stp->si_opaque.so_clid.cl_id;
  68                 __entry->si_id = stp->si_opaque.so_id;
  69                 __entry->si_generation = stp->si_generation;
  70         ),
  71         TP_printk("client %08x:%08x stateid %08x:%08x",
  72                 __entry->cl_boot,
  73                 __entry->cl_id,
  74                 __entry->si_id,
  75                 __entry->si_generation)
  76 )
  77
  78 #define DEFINE_STATEID_EVENT(name) \
  79 DEFINE_EVENT(nfsd_stateid_class, name, \
  80         TP_PROTO(stateid_t *stp), \
  81         TP_ARGS(stp))
  82 DEFINE_STATEID_EVENT(layoutstate_alloc);
  83 DEFINE_STATEID_EVENT(layoutstate_unhash);
  84 DEFINE_STATEID_EVENT(layoutstate_free);
  85 DEFINE_STATEID_EVENT(layout_get_lookup_fail);
  86 DEFINE_STATEID_EVENT(layout_commit_lookup_fail);
  87 DEFINE_STATEID_EVENT(layout_return_lookup_fail);
  88 DEFINE_STATEID_EVENT(layout_recall);
  89 DEFINE_STATEID_EVENT(layout_recall_done);
  90 DEFINE_STATEID_EVENT(layout_recall_fail);
  91 DEFINE_STATEID_EVENT(layout_recall_release);
  92
  93 #endif /* _NFSD_TRACE_H */
  94
  95 #undef TRACE_INCLUDE_PATH
  96 #define TRACE_INCLUDE_PATH .
  97 #define TRACE_INCLUDE_FILE trace
  98 #include <trace/define_trace.h>