Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
[linux-2.6.git] / include / trace / events / jbd2.h
1 #undef TRACE_SYSTEM
2 #define TRACE_SYSTEM jbd2
3
4 #if !defined(_TRACE_JBD2_H) || defined(TRACE_HEADER_MULTI_READ)
5 #define _TRACE_JBD2_H
6
7 #include <linux/jbd2.h>
8 #include <linux/tracepoint.h>
9
10 struct transaction_chp_stats_s;
11 struct transaction_run_stats_s;
12
13 TRACE_EVENT(jbd2_checkpoint,
14
15         TP_PROTO(journal_t *journal, int result),
16
17         TP_ARGS(journal, result),
18
19         TP_STRUCT__entry(
20                 __field(        dev_t,  dev                     )
21                 __field(        int,    result                  )
22         ),
23
24         TP_fast_assign(
25                 __entry->dev            = journal->j_fs_dev->bd_dev;
26                 __entry->result         = result;
27         ),
28
29         TP_printk("dev %d,%d result %d",
30                   MAJOR(__entry->dev), MINOR(__entry->dev), __entry->result)
31 );
32
33 DECLARE_EVENT_CLASS(jbd2_commit,
34
35         TP_PROTO(journal_t *journal, transaction_t *commit_transaction),
36
37         TP_ARGS(journal, commit_transaction),
38
39         TP_STRUCT__entry(
40                 __field(        dev_t,  dev                     )
41                 __field(        char,   sync_commit               )
42                 __field(        int,    transaction               )
43         ),
44
45         TP_fast_assign(
46                 __entry->dev            = journal->j_fs_dev->bd_dev;
47                 __entry->sync_commit = commit_transaction->t_synchronous_commit;
48                 __entry->transaction    = commit_transaction->t_tid;
49         ),
50
51         TP_printk("dev %d,%d transaction %d sync %d",
52                   MAJOR(__entry->dev), MINOR(__entry->dev),
53                   __entry->transaction, __entry->sync_commit)
54 );
55
56 DEFINE_EVENT(jbd2_commit, jbd2_start_commit,
57
58         TP_PROTO(journal_t *journal, transaction_t *commit_transaction),
59
60         TP_ARGS(journal, commit_transaction)
61 );
62
63 DEFINE_EVENT(jbd2_commit, jbd2_commit_locking,
64
65         TP_PROTO(journal_t *journal, transaction_t *commit_transaction),
66
67         TP_ARGS(journal, commit_transaction)
68 );
69
70 DEFINE_EVENT(jbd2_commit, jbd2_commit_flushing,
71
72         TP_PROTO(journal_t *journal, transaction_t *commit_transaction),
73
74         TP_ARGS(journal, commit_transaction)
75 );
76
77 DEFINE_EVENT(jbd2_commit, jbd2_commit_logging,
78
79         TP_PROTO(journal_t *journal, transaction_t *commit_transaction),
80
81         TP_ARGS(journal, commit_transaction)
82 );
83
84 TRACE_EVENT(jbd2_end_commit,
85         TP_PROTO(journal_t *journal, transaction_t *commit_transaction),
86
87         TP_ARGS(journal, commit_transaction),
88
89         TP_STRUCT__entry(
90                 __field(        dev_t,  dev                     )
91                 __field(        char,   sync_commit               )
92                 __field(        int,    transaction               )
93                 __field(        int,    head                      )
94         ),
95
96         TP_fast_assign(
97                 __entry->dev            = journal->j_fs_dev->bd_dev;
98                 __entry->sync_commit = commit_transaction->t_synchronous_commit;
99                 __entry->transaction    = commit_transaction->t_tid;
100                 __entry->head           = journal->j_tail_sequence;
101         ),
102
103         TP_printk("dev %d,%d transaction %d sync %d head %d",
104                   MAJOR(__entry->dev), MINOR(__entry->dev),
105                   __entry->transaction, __entry->sync_commit, __entry->head)
106 );
107
108 TRACE_EVENT(jbd2_submit_inode_data,
109         TP_PROTO(struct inode *inode),
110
111         TP_ARGS(inode),
112
113         TP_STRUCT__entry(
114                 __field(        dev_t,  dev                     )
115                 __field(        ino_t,  ino                     )
116         ),
117
118         TP_fast_assign(
119                 __entry->dev    = inode->i_sb->s_dev;
120                 __entry->ino    = inode->i_ino;
121         ),
122
123         TP_printk("dev %d,%d ino %lu",
124                   MAJOR(__entry->dev), MINOR(__entry->dev),
125                   (unsigned long) __entry->ino)
126 );
127
128 TRACE_EVENT(jbd2_run_stats,
129         TP_PROTO(dev_t dev, unsigned long tid,
130                  struct transaction_run_stats_s *stats),
131
132         TP_ARGS(dev, tid, stats),
133
134         TP_STRUCT__entry(
135                 __field(                dev_t,  dev             )
136                 __field(        unsigned long,  tid             )
137                 __field(        unsigned long,  wait            )
138                 __field(        unsigned long,  running         )
139                 __field(        unsigned long,  locked          )
140                 __field(        unsigned long,  flushing        )
141                 __field(        unsigned long,  logging         )
142                 __field(                __u32,  handle_count    )
143                 __field(                __u32,  blocks          )
144                 __field(                __u32,  blocks_logged   )
145         ),
146
147         TP_fast_assign(
148                 __entry->dev            = dev;
149                 __entry->tid            = tid;
150                 __entry->wait           = stats->rs_wait;
151                 __entry->running        = stats->rs_running;
152                 __entry->locked         = stats->rs_locked;
153                 __entry->flushing       = stats->rs_flushing;
154                 __entry->logging        = stats->rs_logging;
155                 __entry->handle_count   = stats->rs_handle_count;
156                 __entry->blocks         = stats->rs_blocks;
157                 __entry->blocks_logged  = stats->rs_blocks_logged;
158         ),
159
160         TP_printk("dev %d,%d tid %lu wait %u running %u locked %u flushing %u "
161                   "logging %u handle_count %u blocks %u blocks_logged %u",
162                   MAJOR(__entry->dev), MINOR(__entry->dev), __entry->tid,
163                   jiffies_to_msecs(__entry->wait),
164                   jiffies_to_msecs(__entry->running),
165                   jiffies_to_msecs(__entry->locked),
166                   jiffies_to_msecs(__entry->flushing),
167                   jiffies_to_msecs(__entry->logging),
168                   __entry->handle_count, __entry->blocks,
169                   __entry->blocks_logged)
170 );
171
172 TRACE_EVENT(jbd2_checkpoint_stats,
173         TP_PROTO(dev_t dev, unsigned long tid,
174                  struct transaction_chp_stats_s *stats),
175
176         TP_ARGS(dev, tid, stats),
177
178         TP_STRUCT__entry(
179                 __field(                dev_t,  dev             )
180                 __field(        unsigned long,  tid             )
181                 __field(        unsigned long,  chp_time        )
182                 __field(                __u32,  forced_to_close )
183                 __field(                __u32,  written         )
184                 __field(                __u32,  dropped         )
185         ),
186
187         TP_fast_assign(
188                 __entry->dev            = dev;
189                 __entry->tid            = tid;
190                 __entry->chp_time       = stats->cs_chp_time;
191                 __entry->forced_to_close= stats->cs_forced_to_close;
192                 __entry->written        = stats->cs_written;
193                 __entry->dropped        = stats->cs_dropped;
194         ),
195
196         TP_printk("dev %d,%d tid %lu chp_time %u forced_to_close %u "
197                   "written %u dropped %u",
198                   MAJOR(__entry->dev), MINOR(__entry->dev), __entry->tid,
199                   jiffies_to_msecs(__entry->chp_time),
200                   __entry->forced_to_close, __entry->written, __entry->dropped)
201 );
202
203 TRACE_EVENT(jbd2_cleanup_journal_tail,
204
205         TP_PROTO(journal_t *journal, tid_t first_tid,
206                  unsigned long block_nr, unsigned long freed),
207
208         TP_ARGS(journal, first_tid, block_nr, freed),
209
210         TP_STRUCT__entry(
211                 __field(        dev_t,  dev                     )
212                 __field(        tid_t,  tail_sequence           )
213                 __field(        tid_t,  first_tid               )
214                 __field(unsigned long,  block_nr                )
215                 __field(unsigned long,  freed                   )
216         ),
217
218         TP_fast_assign(
219                 __entry->dev            = journal->j_fs_dev->bd_dev;
220                 __entry->tail_sequence  = journal->j_tail_sequence;
221                 __entry->first_tid      = first_tid;
222                 __entry->block_nr       = block_nr;
223                 __entry->freed          = freed;
224         ),
225
226         TP_printk("dev %d,%d from %u to %u offset %lu freed %lu",
227                   MAJOR(__entry->dev), MINOR(__entry->dev),
228                   __entry->tail_sequence, __entry->first_tid,
229                   __entry->block_nr, __entry->freed)
230 );
231
232 #endif /* _TRACE_JBD2_H */
233
234 /* This part must be outside protection */
235 #include <trace/define_trace.h>