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 https://opensource.org/licenses/CDDL-1.0.
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 #define	DEFINE_DELAY_MINTIME_EVENT(name) \
85 DEFINE_EVENT(zfs_delay_mintime_class, name, \
86     TP_PROTO(dmu_tx_t *tx, uint64_t dirty, uint64_t min_tx_time), \
87     TP_ARGS(tx, dirty, min_tx_time))
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 #define	DEFINE_FREE_LONG_RANGE_EVENT(name) \
112 DEFINE_EVENT(zfs_free_long_range_class, name, \
113     TP_PROTO(uint64_t long_free_dirty_all_txgs, \
114     uint64_t chunk_len, uint64_t txg), \
115     TP_ARGS(long_free_dirty_all_txgs, chunk_len, txg))
116 DEFINE_FREE_LONG_RANGE_EVENT(zfs_free__long__range);
117 
118 #endif /* _TRACE_DMU_H */
119 
120 #undef TRACE_INCLUDE_PATH
121 #undef TRACE_INCLUDE_FILE
122 #define	TRACE_INCLUDE_PATH sys
123 #define	TRACE_INCLUDE_FILE trace_dmu
124 #include <trace/define_trace.h>
125 
126 #else
127 
128 DEFINE_DTRACE_PROBE3(delay__mintime);
129 DEFINE_DTRACE_PROBE3(free__long__range);
130 
131 #endif /* HAVE_DECLARE_EVENT_CLASS */
132 #endif /* _KERNEL */
133