Robert Jarzmik | fe0bfaa | 2013-04-29 15:06:10 -0700 | [diff] [blame] | 1 | #undef TRACE_SYSTEM |
| 2 | #define TRACE_SYSTEM filemap |
| 3 | |
| 4 | #if !defined(_TRACE_FILEMAP_H) || defined(TRACE_HEADER_MULTI_READ) |
| 5 | #define _TRACE_FILEMAP_H |
| 6 | |
| 7 | #include <linux/types.h> |
| 8 | #include <linux/tracepoint.h> |
| 9 | #include <linux/mm.h> |
| 10 | #include <linux/memcontrol.h> |
| 11 | #include <linux/device.h> |
| 12 | #include <linux/kdev_t.h> |
| 13 | |
| 14 | DECLARE_EVENT_CLASS(mm_filemap_op_page_cache, |
| 15 | |
| 16 | TP_PROTO(struct page *page), |
| 17 | |
| 18 | TP_ARGS(page), |
| 19 | |
| 20 | TP_STRUCT__entry( |
| 21 | __field(struct page *, page) |
| 22 | __field(unsigned long, i_ino) |
| 23 | __field(unsigned long, index) |
| 24 | __field(dev_t, s_dev) |
| 25 | ), |
| 26 | |
| 27 | TP_fast_assign( |
| 28 | __entry->page = page; |
| 29 | __entry->i_ino = page->mapping->host->i_ino; |
| 30 | __entry->index = page->index; |
| 31 | if (page->mapping->host->i_sb) |
| 32 | __entry->s_dev = page->mapping->host->i_sb->s_dev; |
| 33 | else |
| 34 | __entry->s_dev = page->mapping->host->i_rdev; |
| 35 | ), |
| 36 | |
| 37 | TP_printk("dev %d:%d ino %lx page=%p pfn=%lu ofs=%lu", |
| 38 | MAJOR(__entry->s_dev), MINOR(__entry->s_dev), |
| 39 | __entry->i_ino, |
| 40 | __entry->page, |
| 41 | page_to_pfn(__entry->page), |
| 42 | __entry->index << PAGE_SHIFT) |
| 43 | ); |
| 44 | |
| 45 | DEFINE_EVENT(mm_filemap_op_page_cache, mm_filemap_delete_from_page_cache, |
| 46 | TP_PROTO(struct page *page), |
| 47 | TP_ARGS(page) |
| 48 | ); |
| 49 | |
| 50 | DEFINE_EVENT(mm_filemap_op_page_cache, mm_filemap_add_to_page_cache, |
| 51 | TP_PROTO(struct page *page), |
| 52 | TP_ARGS(page) |
| 53 | ); |
| 54 | |
| 55 | #endif /* _TRACE_FILEMAP_H */ |
| 56 | |
| 57 | /* This part must be outside protection */ |
| 58 | #include <trace/define_trace.h> |