| 1 | #undef TRACE_SYSTEM |
| 2 | #define TRACE_SYSTEM writeback |
| 3 | |
| 4 | #if !defined(_TRACE_WRITEBACK_H) || defined(TRACE_HEADER_MULTI_READ) |
| 5 | #define _TRACE_WRITEBACK_H |
| 6 | |
| 7 | #include <linux/backing-dev.h> |
| 8 | #include <linux/writeback.h> |
| 9 | |
| 10 | TRACE_EVENT(writeback_queue, |
| 11 | |
| 12 | TP_PROTO(struct wb_writeback_args *args), |
| 13 | |
| 14 | TP_ARGS(args), |
| 15 | |
| 16 | TP_STRUCT__entry( |
| 17 | __field(long, nr_pages) |
| 18 | __field(int, sb) |
| 19 | __field(int, sync_mode) |
| 20 | __field(int, for_kupdate) |
| 21 | __field(int, range_cyclic) |
| 22 | __field(int, for_background) |
| 23 | ), |
| 24 | |
| 25 | TP_fast_assign( |
| 26 | __entry->nr_pages = args->nr_pages; |
| 27 | __entry->sb = !!args->sb; |
| 28 | __entry->for_kupdate = args->for_kupdate; |
| 29 | __entry->range_cyclic = args->range_cyclic; |
| 30 | __entry->for_background = args->for_background; |
| 31 | ), |
| 32 | |
| 33 | TP_printk("pages=%ld, sb=%d, kupdate=%d, range_cyclic=%d " |
| 34 | "for_background=%d", __entry->nr_pages, __entry->sb, |
| 35 | __entry->for_kupdate, __entry->range_cyclic, |
| 36 | __entry->for_background) |
| 37 | ); |
| 38 | |
| 39 | TRACE_EVENT(writeback_sched, |
| 40 | |
| 41 | TP_PROTO(struct bdi_work *work, const char *msg), |
| 42 | |
| 43 | TP_ARGS(work, msg), |
| 44 | |
| 45 | TP_STRUCT__entry( |
| 46 | __field(struct bdi_work *, work) |
| 47 | __array(char, task, 8) |
| 48 | ), |
| 49 | |
| 50 | TP_fast_assign( |
| 51 | __entry->work = work; |
| 52 | snprintf(__entry->task, 8, "%s", msg); |
| 53 | ), |
| 54 | |
| 55 | TP_printk("work=%p, task=%s", __entry->work, __entry->task) |
| 56 | ); |
| 57 | |
| 58 | TRACE_EVENT(writeback_exec, |
| 59 | |
| 60 | TP_PROTO(struct bdi_work *work), |
| 61 | |
| 62 | TP_ARGS(work), |
| 63 | |
| 64 | TP_STRUCT__entry( |
| 65 | __field(struct bdi_work *, work) |
| 66 | __field(long, nr_pages) |
| 67 | __field(int, sb) |
| 68 | __field(int, sync_mode) |
| 69 | __field(int, for_kupdate) |
| 70 | __field(int, range_cyclic) |
| 71 | __field(int, for_background) |
| 72 | ), |
| 73 | |
| 74 | TP_fast_assign( |
| 75 | __entry->work = work; |
| 76 | __entry->nr_pages = work->args.nr_pages; |
| 77 | __entry->sb = !!work->args.sb; |
| 78 | __entry->for_kupdate = work->args.for_kupdate; |
| 79 | __entry->range_cyclic = work->args.range_cyclic; |
| 80 | __entry->for_background = work->args.for_background; |
| 81 | |
| 82 | ), |
| 83 | |
| 84 | TP_printk("work=%p pages=%ld, sb=%d, kupdate=%d, range_cyclic=%d" |
| 85 | " for_background=%d", __entry->work, |
| 86 | __entry->nr_pages, __entry->sb, __entry->for_kupdate, |
| 87 | __entry->range_cyclic, __entry->for_background) |
| 88 | ); |
| 89 | |
| 90 | TRACE_EVENT(writeback_done, |
| 91 | |
| 92 | TP_PROTO(struct bdi_work *work, long pages), |
| 93 | |
| 94 | TP_ARGS(work, pages), |
| 95 | |
| 96 | TP_STRUCT__entry( |
| 97 | __field(unsigned int, work) |
| 98 | __field(long, pages) |
| 99 | ), |
| 100 | |
| 101 | TP_fast_assign( |
| 102 | __entry->work = (unsigned long) work & 0xffff; |
| 103 | __entry->pages = pages; |
| 104 | |
| 105 | ), |
| 106 | |
| 107 | TP_printk("work=%x pages=%ld", __entry->work, __entry->pages) |
| 108 | ); |
| 109 | |
| 110 | TRACE_EVENT(writeback_clear, |
| 111 | |
| 112 | TP_PROTO(struct bdi_work *work), |
| 113 | |
| 114 | TP_ARGS(work), |
| 115 | |
| 116 | TP_STRUCT__entry( |
| 117 | __field(struct bdi_work *, work) |
| 118 | __field(int, refs) |
| 119 | ), |
| 120 | |
| 121 | TP_fast_assign( |
| 122 | __entry->work = work; |
| 123 | __entry->refs = atomic_read(&work->pending); |
| 124 | ), |
| 125 | |
| 126 | TP_printk("work=%p, refs=%d", __entry->work, __entry->refs) |
| 127 | ); |
| 128 | |
| 129 | TRACE_EVENT(writeback_pages_written, |
| 130 | |
| 131 | TP_PROTO(long pages_written), |
| 132 | |
| 133 | TP_ARGS(pages_written), |
| 134 | |
| 135 | TP_STRUCT__entry( |
| 136 | __field(long, pages) |
| 137 | ), |
| 138 | |
| 139 | TP_fast_assign( |
| 140 | __entry->pages = pages_written; |
| 141 | ), |
| 142 | |
| 143 | TP_printk("%ld", __entry->pages) |
| 144 | ); |
| 145 | |
| 146 | |
| 147 | TRACE_EVENT(writeback_thread_start, |
| 148 | |
| 149 | TP_PROTO(int start), |
| 150 | |
| 151 | TP_ARGS(start), |
| 152 | |
| 153 | TP_STRUCT__entry( |
| 154 | __field(int, start) |
| 155 | ), |
| 156 | |
| 157 | TP_fast_assign( |
| 158 | __entry->start = start; |
| 159 | ), |
| 160 | |
| 161 | TP_printk("%s", __entry->start ? "started" : "exited") |
| 162 | ); |
| 163 | |
| 164 | TRACE_EVENT(writeback_bdi_register, |
| 165 | |
| 166 | TP_PROTO(const char *name, int start), |
| 167 | |
| 168 | TP_ARGS(name, start), |
| 169 | |
| 170 | TP_STRUCT__entry( |
| 171 | __array(char, name, 16) |
| 172 | __field(int, start) |
| 173 | ), |
| 174 | |
| 175 | TP_fast_assign( |
| 176 | strncpy(__entry->name, name, 16); |
| 177 | __entry->start = start; |
| 178 | ), |
| 179 | |
| 180 | TP_printk("%s: %s", __entry->name, |
| 181 | __entry->start ? "registered" : "unregistered") |
| 182 | ); |
| 183 | |
| 184 | TRACE_EVENT(writeback_inode_wait, |
| 185 | |
| 186 | TP_PROTO(int start), |
| 187 | |
| 188 | TP_ARGS(start), |
| 189 | |
| 190 | TP_STRUCT__entry( |
| 191 | __field(int, start) |
| 192 | ), |
| 193 | |
| 194 | TP_fast_assign( |
| 195 | __entry->start = start; |
| 196 | ), |
| 197 | |
| 198 | TP_printk("%s", __entry->start ? "start" : "end") |
| 199 | ); |
| 200 | |
| 201 | TRACE_EVENT(writeback_bdp_start, |
| 202 | |
| 203 | TP_PROTO(unsigned long reclaim, unsigned long thresh), |
| 204 | |
| 205 | TP_ARGS(reclaim, thresh), |
| 206 | |
| 207 | TP_STRUCT__entry( |
| 208 | __field(unsigned long, reclaim) |
| 209 | __field(unsigned long, thresh) |
| 210 | ), |
| 211 | |
| 212 | TP_fast_assign( |
| 213 | __entry->reclaim = reclaim; |
| 214 | __entry->thresh = thresh; |
| 215 | ), |
| 216 | |
| 217 | TP_printk("reclaimable=%lu, threshold=%lu", __entry->reclaim, |
| 218 | __entry->thresh) |
| 219 | ); |
| 220 | |
| 221 | TRACE_EVENT(writeback_bdp_end, |
| 222 | |
| 223 | TP_PROTO(unsigned long wrote), |
| 224 | |
| 225 | TP_ARGS(wrote), |
| 226 | |
| 227 | TP_STRUCT__entry( |
| 228 | __field(unsigned long, wrote) |
| 229 | ), |
| 230 | |
| 231 | TP_fast_assign( |
| 232 | __entry->wrote = wrote; |
| 233 | ), |
| 234 | |
| 235 | TP_printk("wrote=%lu", __entry->wrote) |
| 236 | ); |
| 237 | |
| 238 | #endif /* _TRACE_WRITEBACK_H */ |
| 239 | |
| 240 | /* This part must be outside protection */ |
| 241 | #include <trace/define_trace.h> |