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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_dmu
29
30 #if !defined(_TRACE_DMU_H) || defined(TRACE_HEADER_MULTI_READ)
31 #define _TRACE_DMU_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  *     dmu_tx_t *, ...,
41  *     uint64_t, ...,
42  *     uint64_t, ...);
43  */
44 /* BEGIN CSTYLED */
45 DECLARE_EVENT_CLASS(zfs_delay_mintime_class,
46         TP_PROTO(dmu_tx_t *tx, uint64_t dirty, uint64_t min_tx_time),
47         TP_ARGS(tx, dirty, min_tx_time),
48         TP_STRUCT__entry(
49             __field(uint64_t,                   tx_txg)
50             __field(uint64_t,                   tx_lastsnap_txg)
51             __field(uint64_t,                   tx_lasttried_txg)
52             __field(boolean_t,                  tx_anyobj)
53             __field(boolean_t,                  tx_waited)
54             __field(hrtime_t,                   tx_start)
55             __field(boolean_t,                  tx_wait_dirty)
56             __field(int,                        tx_err)
57             __field(uint64_t,                   min_tx_time)
58             __field(uint64_t,                   dirty)
59         ),
60         TP_fast_assign(
61             __entry->tx_txg                     = tx->tx_txg;
62             __entry->tx_lastsnap_txg            = tx->tx_lastsnap_txg;
63             __entry->tx_lasttried_txg           = tx->tx_lasttried_txg;
64             __entry->tx_anyobj                  = tx->tx_anyobj;
65             __entry->tx_waited                  = tx->tx_waited;
66             __entry->tx_start                   = tx->tx_start;
67             __entry->tx_wait_dirty              = tx->tx_wait_dirty;
68             __entry->tx_err                     = tx->tx_err;
69             __entry->dirty                      = dirty;
70             __entry->min_tx_time                = min_tx_time;
71         ),
72         TP_printk("tx { txg %llu lastsnap_txg %llu tx_lasttried_txg %llu "
73             "anyobj %d waited %d start %llu wait_dirty %d err %i "
74             "} dirty %llu min_tx_time %llu",
75             __entry->tx_txg, __entry->tx_lastsnap_txg,
76             __entry->tx_lasttried_txg, __entry->tx_anyobj, __entry->tx_waited,
77             __entry->tx_start, __entry->tx_wait_dirty, __entry->tx_err,
78             __entry->dirty, __entry->min_tx_time)
79 );
80 /* END CSTYLED */
81
82 /* BEGIN CSTYLED */
83 #define DEFINE_DELAY_MINTIME_EVENT(name) \
84 DEFINE_EVENT(zfs_delay_mintime_class, name, \
85         TP_PROTO(dmu_tx_t *tx, uint64_t dirty, uint64_t min_tx_time), \
86         TP_ARGS(tx, dirty, min_tx_time))
87 /* END CSTYLED */
88 DEFINE_DELAY_MINTIME_EVENT(zfs_delay__mintime);
89
90 /* BEGIN CSTYLED */
91 DECLARE_EVENT_CLASS(zfs_free_long_range_class,
92         TP_PROTO(uint64_t long_free_dirty_all_txgs, uint64_t chunk_len, \
93             uint64_t txg),
94         TP_ARGS(long_free_dirty_all_txgs, chunk_len, txg),
95         TP_STRUCT__entry(
96             __field(uint64_t,                   long_free_dirty_all_txgs)
97             __field(uint64_t,                   chunk_len)
98             __field(uint64_t,                   txg)
99         ),
100         TP_fast_assign(
101             __entry->long_free_dirty_all_txgs   = long_free_dirty_all_txgs;
102             __entry->chunk_len                                  = chunk_len;
103             __entry->txg                                                = txg;
104         ),
105         TP_printk("long_free_dirty_all_txgs %llu chunk_len %llu txg %llu",
106            __entry->long_free_dirty_all_txgs,
107            __entry->chunk_len, __entry->txg)
108 );
109 /* END CSTYLED */
110
111 /* BEGIN CSTYLED */
112 #define DEFINE_FREE_LONG_RANGE_EVENT(name) \
113 DEFINE_EVENT(zfs_free_long_range_class, name, \
114         TP_PROTO(uint64_t long_free_dirty_all_txgs, \
115             uint64_t chunk_len, uint64_t txg), \
116         TP_ARGS(long_free_dirty_all_txgs, chunk_len, txg))
117 /* END CSTYLED */
118 DEFINE_FREE_LONG_RANGE_EVENT(zfs_free__long__range);
119
120 #endif /* _TRACE_DMU_H */
121
122 #undef TRACE_INCLUDE_PATH
123 #undef TRACE_INCLUDE_FILE
124 #define TRACE_INCLUDE_PATH sys
125 #define TRACE_INCLUDE_FILE trace_dmu
126 #include <trace/define_trace.h>
127
128 #endif /* _KERNEL && HAVE_DECLARE_EVENT_CLASS */