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