include/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) && defined(HAVE_DECLARE_EVENT_CLASS)
  23
  24 #undef TRACE_SYSTEM
  25 #define TRACE_SYSTEM zfs
  26
  27 #if !defined(_TRACE_DMU_H) || defined(TRACE_HEADER_MULTI_READ)
  28 #define _TRACE_DMU_H
  29
  30 #include <linux/tracepoint.h>
  31 #include <sys/types.h>
  32
  33 /*
  34  * Generic support for three argument tracepoints of the form:
  35  *
  36  * DTRACE_PROBE3(...,
  37  *     dmu_tx_t *, ...,
  38  *     uint64_t, ...,
  39  *     uint64_t, ...);
  40  */
  41
  42 DECLARE_EVENT_CLASS(zfs_delay_mintime_class,
  43         TP_PROTO(dmu_tx_t *tx, uint64_t dirty, uint64_t min_tx_time),
  44         TP_ARGS(tx, dirty, min_tx_time),
  45         TP_STRUCT__entry(
  46             __field(uint64_t,                   tx_txg)
  47             __field(uint64_t,                   tx_lastsnap_txg)
  48             __field(uint64_t,                   tx_lasttried_txg)
  49             __field(boolean_t,                  tx_anyobj)
  50             __field(boolean_t,                  tx_waited)
  51             __field(hrtime_t,                   tx_start)
  52             __field(boolean_t,                  tx_wait_dirty)
  53             __field(int,                        tx_err)
  54 #ifdef DEBUG_DMU_TX
  55             __field(uint64_t,                   tx_space_towrite)
  56             __field(uint64_t,                   tx_space_tofree)
  57             __field(uint64_t,                   tx_space_tooverwrite)
  58             __field(uint64_t,                   tx_space_tounref)
  59             __field(int64_t,                    tx_space_written)
  60             __field(int64_t,                    tx_space_freed)
  61 #endif
  62             __field(uint64_t,                   min_tx_time)
  63             __field(uint64_t,                   dirty)
  64         ),
  65         TP_fast_assign(
  66             __entry->tx_txg                     = tx->tx_txg;
  67             __entry->tx_lastsnap_txg            = tx->tx_lastsnap_txg;
  68             __entry->tx_lasttried_txg           = tx->tx_lasttried_txg;
  69             __entry->tx_anyobj                  = tx->tx_anyobj;
  70             __entry->tx_waited                  = tx->tx_waited;
  71             __entry->tx_start                   = tx->tx_start;
  72             __entry->tx_wait_dirty              = tx->tx_wait_dirty;
  73             __entry->tx_err                     = tx->tx_err;
  74 #ifdef DEBUG_DMU_TX
  75             __entry->tx_space_towrite           = tx->tx_space_towrite;
  76             __entry->tx_space_tofree            = tx->tx_space_tofree;
  77             __entry->tx_space_tooverwrite       = tx->tx_space_tooverwrite;
  78             __entry->tx_space_tounref           = tx->tx_space_tounref;
  79             __entry->tx_space_written           = tx->tx_space_written.rc_count;
  80             __entry->tx_space_freed             = tx->tx_space_freed.rc_count;
  81 #endif
  82             __entry->dirty                      = dirty;
  83             __entry->min_tx_time                = min_tx_time;
  84         ),
  85         TP_printk("tx { txg %llu lastsnap_txg %llu tx_lasttried_txg %llu "
  86             "anyobj %d waited %d start %llu wait_dirty %d err %i "
  87 #ifdef DEBUG_DMU_TX
  88             "space_towrite %llu space_tofree %llu space_tooverwrite %llu "
  89             "space_tounref %llu space_written %lli space_freed %lli "
  90 #endif
  91             "} dirty %llu min_tx_time %llu",
  92             __entry->tx_txg, __entry->tx_lastsnap_txg,
  93             __entry->tx_lasttried_txg, __entry->tx_anyobj, __entry->tx_waited,
  94             __entry->tx_start, __entry->tx_wait_dirty, __entry->tx_err,
  95 #ifdef DEBUG_DMU_TX
  96             __entry->tx_space_towrite, __entry->tx_space_tofree,
  97             __entry->tx_space_tooverwrite, __entry->tx_space_tounref,
  98             __entry->tx_space_written, __entry->tx_space_freed,
  99 #endif
 100             __entry->dirty, __entry->min_tx_time)
 101 );
 102
 103 #define DEFINE_DELAY_MINTIME_EVENT(name) \
 104 DEFINE_EVENT(zfs_delay_mintime_class, name, \
 105         TP_PROTO(dmu_tx_t *tx, uint64_t dirty, uint64_t min_tx_time), \
 106         TP_ARGS(tx, dirty, min_tx_time))
 107 DEFINE_DELAY_MINTIME_EVENT(zfs_delay__mintime);
 108
 109 #endif /* _TRACE_DMU_H */
 110
 111 #undef TRACE_INCLUDE_PATH
 112 #undef TRACE_INCLUDE_FILE
 113 #define TRACE_INCLUDE_PATH sys
 114 #define TRACE_INCLUDE_FILE trace_dmu
 115 #include <trace/define_trace.h>
 116
 117 #endif /* _KERNEL && HAVE_DECLARE_EVENT_CLASS */