LXR linux/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
  13DECLARE_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)              \
  37DEFINE_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
  44DEFINE_NFSD_IO_EVENT(read_start);
  45DEFINE_NFSD_IO_EVENT(read_opened);
  46DEFINE_NFSD_IO_EVENT(read_io_done);
  47DEFINE_NFSD_IO_EVENT(read_done);
  48DEFINE_NFSD_IO_EVENT(write_start);
  49DEFINE_NFSD_IO_EVENT(write_opened);
  50DEFINE_NFSD_IO_EVENT(write_io_done);
  51DEFINE_NFSD_IO_EVENT(write_done);
  52
  53#include "state.h"
  54
  55DECLARE_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) \
  78DEFINE_EVENT(nfsd_stateid_class, name, \
  79        TP_PROTO(stateid_t *stp), \
  80        TP_ARGS(stp))
  81DEFINE_STATEID_EVENT(layoutstate_alloc);
  82DEFINE_STATEID_EVENT(layoutstate_unhash);
  83DEFINE_STATEID_EVENT(layoutstate_free);
  84DEFINE_STATEID_EVENT(layout_get_lookup_fail);
  85DEFINE_STATEID_EVENT(layout_commit_lookup_fail);
  86DEFINE_STATEID_EVENT(layout_return_lookup_fail);
  87DEFINE_STATEID_EVENT(layout_recall);
  88DEFINE_STATEID_EVENT(layout_recall_done);
  89DEFINE_STATEID_EVENT(layout_recall_fail);
  90DEFINE_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>
  98