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 TRACE_EVENT(nfsd_compound,
  15         TP_PROTO(const struct svc_rqst *rqst,
  16                  u32 args_opcnt),
  17         TP_ARGS(rqst, args_opcnt),
  18         TP_STRUCT__entry(
  19                 __field(u32, xid)
  20                 __field(u32, args_opcnt)
  21         ),
  22         TP_fast_assign(
  23                 __entry->xid = be32_to_cpu(rqst->rq_xid);
  24                 __entry->args_opcnt = args_opcnt;
  25         ),
  26         TP_printk("xid=0x%08x opcnt=%u",
  27                 __entry->xid, __entry->args_opcnt)
  28 )
  29
  30 TRACE_EVENT(nfsd_compound_status,
  31         TP_PROTO(u32 args_opcnt,
  32                  u32 resp_opcnt,
  33                  __be32 status,
  34                  const char *name),
  35         TP_ARGS(args_opcnt, resp_opcnt, status, name),
  36         TP_STRUCT__entry(
  37                 __field(u32, args_opcnt)
  38                 __field(u32, resp_opcnt)
  39                 __field(int, status)
  40                 __string(name, name)
  41         ),
  42         TP_fast_assign(
  43                 __entry->args_opcnt = args_opcnt;
  44                 __entry->resp_opcnt = resp_opcnt;
  45                 __entry->status = be32_to_cpu(status);
  46                 __assign_str(name, name);
  47         ),
  48         TP_printk("op=%u/%u %s status=%d",
  49                 __entry->resp_opcnt, __entry->args_opcnt,
  50                 __get_str(name), __entry->status)
  51 )
  52
  53 DECLARE_EVENT_CLASS(nfsd_io_class,
  54         TP_PROTO(struct svc_rqst *rqstp,
  55                  struct svc_fh  *fhp,
  56                  loff_t         offset,
  57                  unsigned long  len),
  58         TP_ARGS(rqstp, fhp, offset, len),
  59         TP_STRUCT__entry(
  60                 __field(u32, xid)
  61                 __field(u32, fh_hash)
  62                 __field(loff_t, offset)
  63                 __field(unsigned long, len)
  64         ),
  65         TP_fast_assign(
  66                 __entry->xid = be32_to_cpu(rqstp->rq_xid);
  67                 __entry->fh_hash = knfsd_fh_hash(&fhp->fh_handle);
  68                 __entry->offset = offset;
  69                 __entry->len = len;
  70         ),
  71         TP_printk("xid=0x%08x fh_hash=0x%08x offset=%lld len=%lu",
  72                   __entry->xid, __entry->fh_hash,
  73                   __entry->offset, __entry->len)
  74 )
  75
  76 #define DEFINE_NFSD_IO_EVENT(name)              \
  77 DEFINE_EVENT(nfsd_io_class, nfsd_##name,        \
  78         TP_PROTO(struct svc_rqst *rqstp,        \
  79                  struct svc_fh  *fhp,           \
  80                  loff_t         offset,         \
  81                  unsigned long  len),           \
  82         TP_ARGS(rqstp, fhp, offset, len))
  83
  84 DEFINE_NFSD_IO_EVENT(read_start);
  85 DEFINE_NFSD_IO_EVENT(read_splice);
  86 DEFINE_NFSD_IO_EVENT(read_vector);
  87 DEFINE_NFSD_IO_EVENT(read_io_done);
  88 DEFINE_NFSD_IO_EVENT(read_done);
  89 DEFINE_NFSD_IO_EVENT(write_start);
  90 DEFINE_NFSD_IO_EVENT(write_opened);
  91 DEFINE_NFSD_IO_EVENT(write_io_done);
  92 DEFINE_NFSD_IO_EVENT(write_done);
  93
  94 DECLARE_EVENT_CLASS(nfsd_err_class,
  95         TP_PROTO(struct svc_rqst *rqstp,
  96                  struct svc_fh  *fhp,
  97                  loff_t         offset,
  98                  int            status),
  99         TP_ARGS(rqstp, fhp, offset, status),
 100         TP_STRUCT__entry(
 101                 __field(u32, xid)
 102                 __field(u32, fh_hash)
 103                 __field(loff_t, offset)
 104                 __field(int, status)
 105         ),
 106         TP_fast_assign(
 107                 __entry->xid = be32_to_cpu(rqstp->rq_xid);
 108                 __entry->fh_hash = knfsd_fh_hash(&fhp->fh_handle);
 109                 __entry->offset = offset;
 110                 __entry->status = status;
 111         ),
 112         TP_printk("xid=0x%08x fh_hash=0x%08x offset=%lld status=%d",
 113                   __entry->xid, __entry->fh_hash,
 114                   __entry->offset, __entry->status)
 115 )
 116
 117 #define DEFINE_NFSD_ERR_EVENT(name)             \
 118 DEFINE_EVENT(nfsd_err_class, nfsd_##name,       \
 119         TP_PROTO(struct svc_rqst *rqstp,        \
 120                  struct svc_fh  *fhp,           \
 121                  loff_t         offset,         \
 122                  int            len),           \
 123         TP_ARGS(rqstp, fhp, offset, len))
 124
 125 DEFINE_NFSD_ERR_EVENT(read_err);
 126 DEFINE_NFSD_ERR_EVENT(write_err);
 127
 128 #include "state.h"
 129
 130 DECLARE_EVENT_CLASS(nfsd_stateid_class,
 131         TP_PROTO(stateid_t *stp),
 132         TP_ARGS(stp),
 133         TP_STRUCT__entry(
 134                 __field(u32, cl_boot)
 135                 __field(u32, cl_id)
 136                 __field(u32, si_id)
 137                 __field(u32, si_generation)
 138         ),
 139         TP_fast_assign(
 140                 __entry->cl_boot = stp->si_opaque.so_clid.cl_boot;
 141                 __entry->cl_id = stp->si_opaque.so_clid.cl_id;
 142                 __entry->si_id = stp->si_opaque.so_id;
 143                 __entry->si_generation = stp->si_generation;
 144         ),
 145         TP_printk("client %08x:%08x stateid %08x:%08x",
 146                 __entry->cl_boot,
 147                 __entry->cl_id,
 148                 __entry->si_id,
 149                 __entry->si_generation)
 150 )
 151
 152 #define DEFINE_STATEID_EVENT(name) \
 153 DEFINE_EVENT(nfsd_stateid_class, nfsd_##name, \
 154         TP_PROTO(stateid_t *stp), \
 155         TP_ARGS(stp))
 156 DEFINE_STATEID_EVENT(layoutstate_alloc);
 157 DEFINE_STATEID_EVENT(layoutstate_unhash);
 158 DEFINE_STATEID_EVENT(layoutstate_free);
 159 DEFINE_STATEID_EVENT(layout_get_lookup_fail);
 160 DEFINE_STATEID_EVENT(layout_commit_lookup_fail);
 161 DEFINE_STATEID_EVENT(layout_return_lookup_fail);
 162 DEFINE_STATEID_EVENT(layout_recall);
 163 DEFINE_STATEID_EVENT(layout_recall_done);
 164 DEFINE_STATEID_EVENT(layout_recall_fail);
 165 DEFINE_STATEID_EVENT(layout_recall_release);
 166
 167 #endif /* _NFSD_TRACE_H */
 168
 169 #undef TRACE_INCLUDE_PATH
 170 #define TRACE_INCLUDE_PATH .
 171 #define TRACE_INCLUDE_FILE trace
 172 #include <trace/define_trace.h>