| rjw | 1f88458 | 2022-01-06 17:20:42 +0800 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | #undef TRACE_SYSTEM |
| 3 | #define TRACE_SYSTEM filemap |
| 4 | |
| 5 | #if !defined(_TRACE_FILEMAP_H) || defined(TRACE_HEADER_MULTI_READ) |
| 6 | #define _TRACE_FILEMAP_H |
| 7 | |
| 8 | #include <linux/types.h> |
| 9 | #include <linux/tracepoint.h> |
| 10 | #include <linux/mm.h> |
| 11 | #include <linux/memcontrol.h> |
| 12 | #include <linux/device.h> |
| 13 | #include <linux/kdev_t.h> |
| 14 | #include <linux/errseq.h> |
| 15 | |
| 16 | DECLARE_EVENT_CLASS(mm_filemap_op_page_cache, |
| 17 | |
| 18 | TP_PROTO(struct page *page), |
| 19 | |
| 20 | TP_ARGS(page), |
| 21 | |
| 22 | TP_STRUCT__entry( |
| 23 | __field(unsigned long, pfn) |
| 24 | __field(unsigned long, i_ino) |
| 25 | __field(unsigned long, index) |
| 26 | __field(dev_t, s_dev) |
| 27 | ), |
| 28 | |
| 29 | TP_fast_assign( |
| 30 | __entry->pfn = page_to_pfn(page); |
| 31 | __entry->i_ino = page->mapping->host->i_ino; |
| 32 | __entry->index = page->index; |
| 33 | if (page->mapping->host->i_sb) |
| 34 | __entry->s_dev = page->mapping->host->i_sb->s_dev; |
| 35 | else |
| 36 | __entry->s_dev = page->mapping->host->i_rdev; |
| 37 | ), |
| 38 | |
| 39 | TP_printk("dev %d:%d ino %lx page=%p pfn=%lu ofs=%lu", |
| 40 | MAJOR(__entry->s_dev), MINOR(__entry->s_dev), |
| 41 | __entry->i_ino, |
| 42 | pfn_to_page(__entry->pfn), |
| 43 | __entry->pfn, |
| 44 | __entry->index << PAGE_SHIFT) |
| 45 | ); |
| 46 | |
| 47 | DEFINE_EVENT(mm_filemap_op_page_cache, mm_filemap_delete_from_page_cache, |
| 48 | TP_PROTO(struct page *page), |
| 49 | TP_ARGS(page) |
| 50 | ); |
| 51 | |
| 52 | DEFINE_EVENT(mm_filemap_op_page_cache, mm_filemap_add_to_page_cache, |
| 53 | TP_PROTO(struct page *page), |
| 54 | TP_ARGS(page) |
| 55 | ); |
| 56 | |
| 57 | TRACE_EVENT(filemap_set_wb_err, |
| 58 | TP_PROTO(struct address_space *mapping, errseq_t eseq), |
| 59 | |
| 60 | TP_ARGS(mapping, eseq), |
| 61 | |
| 62 | TP_STRUCT__entry( |
| 63 | __field(unsigned long, i_ino) |
| 64 | __field(dev_t, s_dev) |
| 65 | __field(errseq_t, errseq) |
| 66 | ), |
| 67 | |
| 68 | TP_fast_assign( |
| 69 | __entry->i_ino = mapping->host->i_ino; |
| 70 | __entry->errseq = eseq; |
| 71 | if (mapping->host->i_sb) |
| 72 | __entry->s_dev = mapping->host->i_sb->s_dev; |
| 73 | else |
| 74 | __entry->s_dev = mapping->host->i_rdev; |
| 75 | ), |
| 76 | |
| 77 | TP_printk("dev=%d:%d ino=0x%lx errseq=0x%x", |
| 78 | MAJOR(__entry->s_dev), MINOR(__entry->s_dev), |
| 79 | __entry->i_ino, __entry->errseq) |
| 80 | ); |
| 81 | |
| 82 | TRACE_EVENT(file_check_and_advance_wb_err, |
| 83 | TP_PROTO(struct file *file, errseq_t old), |
| 84 | |
| 85 | TP_ARGS(file, old), |
| 86 | |
| 87 | TP_STRUCT__entry( |
| 88 | __field(struct file *, file); |
| 89 | __field(unsigned long, i_ino) |
| 90 | __field(dev_t, s_dev) |
| 91 | __field(errseq_t, old) |
| 92 | __field(errseq_t, new) |
| 93 | ), |
| 94 | |
| 95 | TP_fast_assign( |
| 96 | __entry->file = file; |
| 97 | __entry->i_ino = file->f_mapping->host->i_ino; |
| 98 | if (file->f_mapping->host->i_sb) |
| 99 | __entry->s_dev = |
| 100 | file->f_mapping->host->i_sb->s_dev; |
| 101 | else |
| 102 | __entry->s_dev = |
| 103 | file->f_mapping->host->i_rdev; |
| 104 | __entry->old = old; |
| 105 | __entry->new = file->f_wb_err; |
| 106 | ), |
| 107 | |
| 108 | TP_printk("file=%p dev=%d:%d ino=0x%lx old=0x%x new=0x%x", |
| 109 | __entry->file, MAJOR(__entry->s_dev), |
| 110 | MINOR(__entry->s_dev), __entry->i_ino, __entry->old, |
| 111 | __entry->new) |
| 112 | ); |
| 113 | #endif /* _TRACE_FILEMAP_H */ |
| 114 | |
| 115 | /* This part must be outside protection */ |
| 116 | #include <trace/define_trace.h> |