include/sys/trace_dnode.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21
  22 #if defined(_KERNEL)
  23 #if defined(HAVE_DECLARE_EVENT_CLASS)
  24
  25 #undef TRACE_SYSTEM
  26 #define TRACE_SYSTEM zfs
  27
  28 #undef TRACE_SYSTEM_VAR
  29 #define TRACE_SYSTEM_VAR zfs_dnode
  30
  31 #if !defined(_TRACE_DNODE_H) || defined(TRACE_HEADER_MULTI_READ)
  32 #define _TRACE_DNODE_H
  33
  34 #include <linux/tracepoint.h>
  35 #include <sys/types.h>
  36
  37 /*
  38  * Generic support for three argument tracepoints of the form:
  39  *
  40  * DTRACE_PROBE3(...,
  41  *     dnode_t *, ...,
  42  *     int64_t, ...,
  43  *     uint32_t, ...);
  44  */
  45 /* BEGIN CSTYLED */
  46 DECLARE_EVENT_CLASS(zfs_dnode_move_class,
  47         TP_PROTO(dnode_t *dn, int64_t refcount, uint32_t dbufs),
  48         TP_ARGS(dn, refcount, dbufs),
  49         TP_STRUCT__entry(
  50             __field(uint64_t,           dn_object)
  51             __field(dmu_object_type_t,  dn_type)
  52             __field(uint16_t,           dn_bonuslen)
  53             __field(uint8_t,            dn_bonustype)
  54             __field(uint8_t,            dn_nblkptr)
  55             __field(uint8_t,            dn_checksum)
  56             __field(uint8_t,            dn_compress)
  57             __field(uint8_t,            dn_nlevels)
  58             __field(uint8_t,            dn_indblkshift)
  59             __field(uint8_t,            dn_datablkshift)
  60             __field(uint8_t,            dn_moved)
  61             __field(uint16_t,           dn_datablkszsec)
  62             __field(uint32_t,           dn_datablksz)
  63             __field(uint64_t,           dn_maxblkid)
  64             __field(int64_t,            dn_tx_holds)
  65             __field(int64_t,            dn_holds)
  66             __field(boolean_t,          dn_have_spill)
  67
  68             __field(int64_t,            refcount)
  69             __field(uint32_t,           dbufs)
  70         ),
  71         TP_fast_assign(
  72             __entry->dn_object          = dn->dn_object;
  73             __entry->dn_type            = dn->dn_type;
  74             __entry->dn_bonuslen        = dn->dn_bonuslen;
  75             __entry->dn_bonustype       = dn->dn_bonustype;
  76             __entry->dn_nblkptr         = dn->dn_nblkptr;
  77             __entry->dn_checksum        = dn->dn_checksum;
  78             __entry->dn_compress        = dn->dn_compress;
  79             __entry->dn_nlevels         = dn->dn_nlevels;
  80             __entry->dn_indblkshift     = dn->dn_indblkshift;
  81             __entry->dn_datablkshift    = dn->dn_datablkshift;
  82             __entry->dn_moved           = dn->dn_moved;
  83             __entry->dn_datablkszsec    = dn->dn_datablkszsec;
  84             __entry->dn_datablksz       = dn->dn_datablksz;
  85             __entry->dn_maxblkid        = dn->dn_maxblkid;
  86             __entry->dn_tx_holds        = dn->dn_tx_holds.rc_count;
  87             __entry->dn_holds           = dn->dn_holds.rc_count;
  88             __entry->dn_have_spill      = dn->dn_have_spill;
  89
  90             __entry->refcount           = refcount;
  91             __entry->dbufs              = dbufs;
  92         ),
  93         TP_printk("dn { object %llu type %d bonuslen %u bonustype %u "
  94             "nblkptr %u checksum %u compress %u nlevels %u indblkshift %u "
  95             "datablkshift %u moved %u datablkszsec %u datablksz %u "
  96             "maxblkid %llu tx_holds %lli holds %lli have_spill %d } "
  97             "refcount %lli dbufs %u",
  98             __entry->dn_object, __entry->dn_type, __entry->dn_bonuslen,
  99             __entry->dn_bonustype, __entry->dn_nblkptr, __entry->dn_checksum,
 100             __entry->dn_compress, __entry->dn_nlevels, __entry->dn_indblkshift,
 101             __entry->dn_datablkshift, __entry->dn_moved,
 102             __entry->dn_datablkszsec, __entry->dn_datablksz,
 103             __entry->dn_maxblkid, __entry->dn_tx_holds, __entry->dn_holds,
 104             __entry->dn_have_spill, __entry->refcount, __entry->dbufs)
 105 );
 106 /* END CSTYLED */
 107
 108 /* BEGIN CSTYLED */
 109 #define DEFINE_DNODE_MOVE_EVENT(name) \
 110 DEFINE_EVENT(zfs_dnode_move_class, name, \
 111         TP_PROTO(dnode_t *dn, int64_t refcount, uint32_t dbufs), \
 112         TP_ARGS(dn, refcount, dbufs))
 113 /* END CSTYLED */
 114 DEFINE_DNODE_MOVE_EVENT(zfs_dnode__move);
 115
 116 #endif /* _TRACE_DNODE_H */
 117
 118 #undef TRACE_INCLUDE_PATH
 119 #undef TRACE_INCLUDE_FILE
 120 #define TRACE_INCLUDE_PATH sys
 121 #define TRACE_INCLUDE_FILE trace_dnode
 122 #include <trace/define_trace.h>
 123
 124 #else
 125
 126 DEFINE_DTRACE_PROBE3(dnode__move);
 127
 128 #endif /* HAVE_DECLARE_EVENT_CLASS */
 129 #endif /* _KERNEL */