1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * Copyright (c) 2009-2019 Christoph Hellwig 4 * 5 * NOTE: none of these tracepoints shall be consider a stable kernel ABI 6 * as they can change at any time. 7 */ 8 #undef TRACE_SYSTEM 9 #define TRACE_SYSTEM iomap 10 11 #if !defined(_IOMAP_TRACE_H) || defined(TRACE_HEADER_MULTI_READ) 12 #define _IOMAP_TRACE_H 13 14 #include <linux/tracepoint.h> 15 16 struct inode; 17 18 DECLARE_EVENT_CLASS(iomap_readpage_class, 19 TP_PROTO(struct inode *inode, int nr_pages), 20 TP_ARGS(inode, nr_pages), 21 TP_STRUCT__entry( 22 __field(dev_t, dev) 23 __field(u64, ino) 24 __field(int, nr_pages) 25 ), 26 TP_fast_assign( 27 __entry->dev = inode->i_sb->s_dev; 28 __entry->ino = inode->i_ino; 29 __entry->nr_pages = nr_pages; 30 ), 31 TP_printk("dev %d:%d ino 0x%llx nr_pages %d", 32 MAJOR(__entry->dev), MINOR(__entry->dev), 33 __entry->ino, 34 __entry->nr_pages) 35 ) 36 37 #define DEFINE_READPAGE_EVENT(name) \ 38 DEFINE_EVENT(iomap_readpage_class, name, \ 39 TP_PROTO(struct inode *inode, int nr_pages), \ 40 TP_ARGS(inode, nr_pages)) 41 DEFINE_READPAGE_EVENT(iomap_readpage); 42 DEFINE_READPAGE_EVENT(iomap_readahead); 43 44 DECLARE_EVENT_CLASS(iomap_range_class, 45 TP_PROTO(struct inode *inode, unsigned long off, unsigned int len), 46 TP_ARGS(inode, off, len), 47 TP_STRUCT__entry( 48 __field(dev_t, dev) 49 __field(u64, ino) 50 __field(loff_t, size) 51 __field(unsigned long, offset) 52 __field(unsigned int, length) 53 ), 54 TP_fast_assign( 55 __entry->dev = inode->i_sb->s_dev; 56 __entry->ino = inode->i_ino; 57 __entry->size = i_size_read(inode); 58 __entry->offset = off; 59 __entry->length = len; 60 ), 61 TP_printk("dev %d:%d ino 0x%llx size 0x%llx offset %lx " 62 "length %x", 63 MAJOR(__entry->dev), MINOR(__entry->dev), 64 __entry->ino, 65 __entry->size, 66 __entry->offset, 67 __entry->length) 68 ) 69 70 #define DEFINE_RANGE_EVENT(name) \ 71 DEFINE_EVENT(iomap_range_class, name, \ 72 TP_PROTO(struct inode *inode, unsigned long off, unsigned int len),\ 73 TP_ARGS(inode, off, len)) 74 DEFINE_RANGE_EVENT(iomap_writepage); 75 DEFINE_RANGE_EVENT(iomap_releasepage); 76 DEFINE_RANGE_EVENT(iomap_invalidatepage); 77 78 #define IOMAP_TYPE_STRINGS \ 79 { IOMAP_HOLE, "HOLE" }, \ 80 { IOMAP_DELALLOC, "DELALLOC" }, \ 81 { IOMAP_MAPPED, "MAPPED" }, \ 82 { IOMAP_UNWRITTEN, "UNWRITTEN" }, \ 83 { IOMAP_INLINE, "INLINE" } 84 85 #define IOMAP_FLAGS_STRINGS \ 86 { IOMAP_WRITE, "WRITE" }, \ 87 { IOMAP_ZERO, "ZERO" }, \ 88 { IOMAP_REPORT, "REPORT" }, \ 89 { IOMAP_FAULT, "FAULT" }, \ 90 { IOMAP_DIRECT, "DIRECT" }, \ 91 { IOMAP_NOWAIT, "NOWAIT" } 92 93 #define IOMAP_F_FLAGS_STRINGS \ 94 { IOMAP_F_NEW, "NEW" }, \ 95 { IOMAP_F_DIRTY, "DIRTY" }, \ 96 { IOMAP_F_SHARED, "SHARED" }, \ 97 { IOMAP_F_MERGED, "MERGED" }, \ 98 { IOMAP_F_BUFFER_HEAD, "BH" }, \ 99 { IOMAP_F_SIZE_CHANGED, "SIZE_CHANGED" } 100 101 DECLARE_EVENT_CLASS(iomap_class, 102 TP_PROTO(struct inode *inode, struct iomap *iomap), 103 TP_ARGS(inode, iomap), 104 TP_STRUCT__entry( 105 __field(dev_t, dev) 106 __field(u64, ino) 107 __field(u64, addr) 108 __field(loff_t, offset) 109 __field(u64, length) 110 __field(u16, type) 111 __field(u16, flags) 112 __field(dev_t, bdev) 113 ), 114 TP_fast_assign( 115 __entry->dev = inode->i_sb->s_dev; 116 __entry->ino = inode->i_ino; 117 __entry->addr = iomap->addr; 118 __entry->offset = iomap->offset; 119 __entry->length = iomap->length; 120 __entry->type = iomap->type; 121 __entry->flags = iomap->flags; 122 __entry->bdev = iomap->bdev ? iomap->bdev->bd_dev : 0; 123 ), 124 TP_printk("dev %d:%d ino 0x%llx bdev %d:%d addr %lld offset %lld " 125 "length %llu type %s flags %s", 126 MAJOR(__entry->dev), MINOR(__entry->dev), 127 __entry->ino, 128 MAJOR(__entry->bdev), MINOR(__entry->bdev), 129 __entry->addr, 130 __entry->offset, 131 __entry->length, 132 __print_symbolic(__entry->type, IOMAP_TYPE_STRINGS), 133 __print_flags(__entry->flags, "|", IOMAP_F_FLAGS_STRINGS)) 134 ) 135 136 #define DEFINE_IOMAP_EVENT(name) \ 137 DEFINE_EVENT(iomap_class, name, \ 138 TP_PROTO(struct inode *inode, struct iomap *iomap), \ 139 TP_ARGS(inode, iomap)) 140 DEFINE_IOMAP_EVENT(iomap_apply_dstmap); 141 DEFINE_IOMAP_EVENT(iomap_apply_srcmap); 142 143 TRACE_EVENT(iomap_apply, 144 TP_PROTO(struct inode *inode, loff_t pos, loff_t length, 145 unsigned int flags, const void *ops, void *actor, 146 unsigned long caller), 147 TP_ARGS(inode, pos, length, flags, ops, actor, caller), 148 TP_STRUCT__entry( 149 __field(dev_t, dev) 150 __field(u64, ino) 151 __field(loff_t, pos) 152 __field(loff_t, length) 153 __field(unsigned int, flags) 154 __field(const void *, ops) 155 __field(void *, actor) 156 __field(unsigned long, caller) 157 ), 158 TP_fast_assign( 159 __entry->dev = inode->i_sb->s_dev; 160 __entry->ino = inode->i_ino; 161 __entry->pos = pos; 162 __entry->length = length; 163 __entry->flags = flags; 164 __entry->ops = ops; 165 __entry->actor = actor; 166 __entry->caller = caller; 167 ), 168 TP_printk("dev %d:%d ino 0x%llx pos %lld length %lld flags %s (0x%x) " 169 "ops %ps caller %pS actor %ps", 170 MAJOR(__entry->dev), MINOR(__entry->dev), 171 __entry->ino, 172 __entry->pos, 173 __entry->length, 174 __print_flags(__entry->flags, "|", IOMAP_FLAGS_STRINGS), 175 __entry->flags, 176 __entry->ops, 177 (void *)__entry->caller, 178 __entry->actor) 179 ); 180 181 #endif /* _IOMAP_TRACE_H */ 182 183 #undef TRACE_INCLUDE_PATH 184 #define TRACE_INCLUDE_PATH . 185 #define TRACE_INCLUDE_FILE trace 186 #include <trace/define_trace.h> 187