include/sys/trace_vdev.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) && defined(HAVE_DECLARE_EVENT_CLASS)
  23
  24 #undef TRACE_SYSTEM
  25 #define TRACE_SYSTEM zfs
  26
  27 #undef TRACE_SYSTEM_VAR
  28 #define TRACE_SYSTEM_VAR zfs_vdev
  29
  30 #if !defined(_TRACE_VDEV_H) || defined(TRACE_HEADER_MULTI_READ)
  31 #define _TRACE_VDEV_H
  32
  33 #include <linux/tracepoint.h>
  34 #include <sys/types.h>
  35
  36 /*
  37  * Generic support for three argument tracepoints of the form:
  38  *
  39  * DTRACE_PROBE3(...,
  40  *     spa_t *, ...,
  41  *     uint64_t, ...,
  42  *     uint64_t, ...);
  43  */
  44 /* BEGIN CSTYLED */
  45 DECLARE_EVENT_CLASS(zfs_removing_class_3,
  46         TP_PROTO(spa_t *spa, uint64_t offset, uint64_t size),
  47         TP_ARGS(spa, offset, size),
  48         TP_STRUCT__entry(
  49             __field(spa_t *,    vdev_spa)
  50             __field(uint64_t,   vdev_offset)
  51             __field(uint64_t,   vdev_size)
  52         ),
  53         TP_fast_assign(
  54             __entry->vdev_spa   = spa;
  55             __entry->vdev_offset = offset;
  56             __entry->vdev_size  = size;
  57         ),
  58         TP_printk("spa %p offset %llu size %llu",
  59             __entry->vdev_spa, __entry->vdev_offset,
  60             __entry->vdev_size)
  61 );
  62 /* END CSTYLED */
  63
  64 /* BEGIN CSTYLED */
  65 #define DEFINE_REMOVE_FREE_EVENT(name) \
  66 DEFINE_EVENT(zfs_removing_class_3, name, \
  67         TP_PROTO(spa_t *spa, uint64_t offset, uint64_t size), \
  68         TP_ARGS(spa, offset, size))
  69 /* END CSTYLED */
  70 DEFINE_REMOVE_FREE_EVENT(zfs_remove__free__synced);
  71 DEFINE_REMOVE_FREE_EVENT(zfs_remove__free__unvisited);
  72
  73 /*
  74  * Generic support for four argument tracepoints of the form:
  75  *
  76  * DTRACE_PROBE4(...,
  77  *     spa_t *, ...,
  78  *     uint64_t, ...,
  79  *     uint64_t, ...,
  80  *     uint64_t, ...);
  81  */
  82 /* BEGIN CSTYLED */
  83 DECLARE_EVENT_CLASS(zfs_removing_class_4,
  84         TP_PROTO(spa_t *spa, uint64_t offset, uint64_t size, uint64_t txg),
  85         TP_ARGS(spa, offset, size, txg),
  86         TP_STRUCT__entry(
  87             __field(spa_t *,    vdev_spa)
  88             __field(uint64_t,   vdev_offset)
  89             __field(uint64_t,   vdev_size)
  90             __field(uint64_t,   vdev_txg)
  91         ),
  92         TP_fast_assign(
  93             __entry->vdev_spa   = spa;
  94             __entry->vdev_offset = offset;
  95             __entry->vdev_size  = size;
  96             __entry->vdev_txg   = txg;
  97         ),
  98         TP_printk("spa %p offset %llu size %llu txg %llu",
  99             __entry->vdev_spa, __entry->vdev_offset,
 100             __entry->vdev_size, __entry->vdev_txg)
 101 );
 102
 103 /* BEGIN CSTYLED */
 104 #define DEFINE_REMOVE_FREE_EVENT_TXG(name) \
 105 DEFINE_EVENT(zfs_removing_class_4, name, \
 106         TP_PROTO(spa_t *spa, uint64_t offset, uint64_t size,uint64_t txg), \
 107         TP_ARGS(spa, offset, size, txg))
 108 /* END CSTYLED */
 109 DEFINE_REMOVE_FREE_EVENT_TXG(zfs_remove__free__inflight);
 110
 111 #endif /* _TRACE_VDEV_H */
 112
 113 #undef TRACE_INCLUDE_PATH
 114 #undef TRACE_INCLUDE_FILE
 115 #define TRACE_INCLUDE_PATH sys
 116 #define TRACE_INCLUDE_FILE trace_vdev
 117 #include <trace/define_trace.h>
 118
 119 #endif /* _KERNEL && HAVE_DECLARE_EVENT_CLASS */