include/os/linux/zfs/sys/trace_dmu.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_dmu
  30
  31 #if !defined(_TRACE_DMU_H) || defined(TRACE_HEADER_MULTI_READ)
  32 #define _TRACE_DMU_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  *     dmu_tx_t *, ...,
  42  *     uint64_t, ...,
  43  *     uint64_t, ...);
  44  */
  45 /* BEGIN CSTYLED */
  46 DECLARE_EVENT_CLASS(zfs_delay_mintime_class,
  47         TP_PROTO(dmu_tx_t *tx, uint64_t dirty, uint64_t min_tx_time),
  48         TP_ARGS(tx, dirty, min_tx_time),
  49         TP_STRUCT__entry(
  50             __field(uint64_t,                   tx_txg)
  51             __field(uint64_t,                   tx_lastsnap_txg)
  52             __field(uint64_t,                   tx_lasttried_txg)
  53             __field(boolean_t,                  tx_anyobj)
  54             __field(boolean_t,                  tx_dirty_delayed)
  55             __field(hrtime_t,                   tx_start)
  56             __field(boolean_t,                  tx_wait_dirty)
  57             __field(int,                        tx_err)
  58             __field(uint64_t,                   min_tx_time)
  59             __field(uint64_t,                   dirty)
  60         ),
  61         TP_fast_assign(
  62             __entry->tx_txg                     = tx->tx_txg;
  63             __entry->tx_lastsnap_txg            = tx->tx_lastsnap_txg;
  64             __entry->tx_lasttried_txg           = tx->tx_lasttried_txg;
  65             __entry->tx_anyobj                  = tx->tx_anyobj;
  66             __entry->tx_dirty_delayed           = tx->tx_dirty_delayed;
  67             __entry->tx_start                   = tx->tx_start;
  68             __entry->tx_wait_dirty              = tx->tx_wait_dirty;
  69             __entry->tx_err                     = tx->tx_err;
  70             __entry->dirty                      = dirty;
  71             __entry->min_tx_time                = min_tx_time;
  72         ),
  73         TP_printk("tx { txg %llu lastsnap_txg %llu tx_lasttried_txg %llu "
  74             "anyobj %d dirty_delayed %d start %llu wait_dirty %d err %i "
  75             "} dirty %llu min_tx_time %llu",
  76             __entry->tx_txg, __entry->tx_lastsnap_txg,
  77             __entry->tx_lasttried_txg, __entry->tx_anyobj,
  78             __entry->tx_dirty_delayed, __entry->tx_start,
  79             __entry->tx_wait_dirty, __entry->tx_err,
  80             __entry->dirty, __entry->min_tx_time)
  81 );
  82 /* END CSTYLED */
  83
  84 /* BEGIN CSTYLED */
  85 #define DEFINE_DELAY_MINTIME_EVENT(name) \
  86 DEFINE_EVENT(zfs_delay_mintime_class, name, \
  87         TP_PROTO(dmu_tx_t *tx, uint64_t dirty, uint64_t min_tx_time), \
  88         TP_ARGS(tx, dirty, min_tx_time))
  89 /* END CSTYLED */
  90 DEFINE_DELAY_MINTIME_EVENT(zfs_delay__mintime);
  91
  92 /* BEGIN CSTYLED */
  93 DECLARE_EVENT_CLASS(zfs_free_long_range_class,
  94         TP_PROTO(uint64_t long_free_dirty_all_txgs, uint64_t chunk_len, \
  95             uint64_t txg),
  96         TP_ARGS(long_free_dirty_all_txgs, chunk_len, txg),
  97         TP_STRUCT__entry(
  98             __field(uint64_t,                   long_free_dirty_all_txgs)
  99             __field(uint64_t,                   chunk_len)
 100             __field(uint64_t,                   txg)
 101         ),
 102         TP_fast_assign(
 103             __entry->long_free_dirty_all_txgs   = long_free_dirty_all_txgs;
 104             __entry->chunk_len                                  = chunk_len;
 105             __entry->txg                                                = txg;
 106         ),
 107         TP_printk("long_free_dirty_all_txgs %llu chunk_len %llu txg %llu",
 108            __entry->long_free_dirty_all_txgs,
 109            __entry->chunk_len, __entry->txg)
 110 );
 111 /* END CSTYLED */
 112
 113 /* BEGIN CSTYLED */
 114 #define DEFINE_FREE_LONG_RANGE_EVENT(name) \
 115 DEFINE_EVENT(zfs_free_long_range_class, name, \
 116         TP_PROTO(uint64_t long_free_dirty_all_txgs, \
 117             uint64_t chunk_len, uint64_t txg), \
 118         TP_ARGS(long_free_dirty_all_txgs, chunk_len, txg))
 119 /* END CSTYLED */
 120 DEFINE_FREE_LONG_RANGE_EVENT(zfs_free__long__range);
 121
 122 #endif /* _TRACE_DMU_H */
 123
 124 #undef TRACE_INCLUDE_PATH
 125 #undef TRACE_INCLUDE_FILE
 126 #define TRACE_INCLUDE_PATH sys
 127 #define TRACE_INCLUDE_FILE trace_dmu
 128 #include <trace/define_trace.h>
 129
 130 #else
 131
 132 DEFINE_DTRACE_PROBE3(delay__mintime);
 133 DEFINE_DTRACE_PROBE3(free__long__range);
 134
 135 #endif /* HAVE_DECLARE_EVENT_CLASS */
 136 #endif /* _KERNEL */