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> 117