| Dave Chinner | 455b286 | 2010-07-07 13:24:06 +1000 | [diff] [blame^] | 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 | struct wb_writeback_work; |
| 11 | |
| 12 | DECLARE_EVENT_CLASS(writeback_work_class, |
| 13 | TP_PROTO(struct backing_dev_info *bdi, struct wb_writeback_work *work), |
| 14 | TP_ARGS(bdi, work), |
| 15 | TP_STRUCT__entry( |
| 16 | __array(char, name, 32) |
| 17 | __field(long, nr_pages) |
| 18 | __field(dev_t, sb_dev) |
| 19 | __field(int, sync_mode) |
| 20 | __field(int, for_kupdate) |
| 21 | __field(int, range_cyclic) |
| 22 | __field(int, for_background) |
| 23 | ), |
| 24 | TP_fast_assign( |
| 25 | strncpy(__entry->name, dev_name(bdi->dev), 32); |
| 26 | __entry->nr_pages = work->nr_pages; |
| 27 | __entry->sb_dev = work->sb ? work->sb->s_dev : 0; |
| 28 | __entry->sync_mode = work->sync_mode; |
| 29 | __entry->for_kupdate = work->for_kupdate; |
| 30 | __entry->range_cyclic = work->range_cyclic; |
| 31 | __entry->for_background = work->for_background; |
| 32 | ), |
| 33 | TP_printk("bdi %s: sb_dev %d:%d nr_pages=%ld sync_mode=%d " |
| 34 | "kupdate=%d range_cyclic=%d background=%d", |
| 35 | __entry->name, |
| 36 | MAJOR(__entry->sb_dev), MINOR(__entry->sb_dev), |
| 37 | __entry->nr_pages, |
| 38 | __entry->sync_mode, |
| 39 | __entry->for_kupdate, |
| 40 | __entry->range_cyclic, |
| 41 | __entry->for_background |
| 42 | ) |
| 43 | ); |
| 44 | #define DEFINE_WRITEBACK_WORK_EVENT(name) \ |
| 45 | DEFINE_EVENT(writeback_work_class, name, \ |
| 46 | TP_PROTO(struct backing_dev_info *bdi, struct wb_writeback_work *work), \ |
| 47 | TP_ARGS(bdi, work)) |
| 48 | DEFINE_WRITEBACK_WORK_EVENT(writeback_nothread); |
| 49 | DEFINE_WRITEBACK_WORK_EVENT(writeback_queue); |
| 50 | DEFINE_WRITEBACK_WORK_EVENT(writeback_exec); |
| 51 | |
| 52 | TRACE_EVENT(writeback_pages_written, |
| 53 | TP_PROTO(long pages_written), |
| 54 | TP_ARGS(pages_written), |
| 55 | TP_STRUCT__entry( |
| 56 | __field(long, pages) |
| 57 | ), |
| 58 | TP_fast_assign( |
| 59 | __entry->pages = pages_written; |
| 60 | ), |
| 61 | TP_printk("%ld", __entry->pages) |
| 62 | ); |
| 63 | |
| 64 | DECLARE_EVENT_CLASS(writeback_class, |
| 65 | TP_PROTO(struct backing_dev_info *bdi), |
| 66 | TP_ARGS(bdi), |
| 67 | TP_STRUCT__entry( |
| 68 | __array(char, name, 32) |
| 69 | ), |
| 70 | TP_fast_assign( |
| 71 | strncpy(__entry->name, dev_name(bdi->dev), 32); |
| 72 | ), |
| 73 | TP_printk("bdi %s", |
| 74 | __entry->name |
| 75 | ) |
| 76 | ); |
| 77 | #define DEFINE_WRITEBACK_EVENT(name) \ |
| 78 | DEFINE_EVENT(writeback_class, name, \ |
| 79 | TP_PROTO(struct backing_dev_info *bdi), \ |
| 80 | TP_ARGS(bdi)) |
| 81 | |
| 82 | DEFINE_WRITEBACK_EVENT(writeback_nowork); |
| 83 | DEFINE_WRITEBACK_EVENT(writeback_bdi_register); |
| 84 | DEFINE_WRITEBACK_EVENT(writeback_bdi_unregister); |
| 85 | DEFINE_WRITEBACK_EVENT(writeback_thread_start); |
| 86 | DEFINE_WRITEBACK_EVENT(writeback_thread_stop); |
| 87 | |
| 88 | #endif /* _TRACE_WRITEBACK_H */ |
| 89 | |
| 90 | /* This part must be outside protection */ |
| 91 | #include <trace/define_trace.h> |