| 1 | // SPDX-License-Identifier: GPL-2.0 |
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| 2 | |
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| 3 | #undef TRACE_SYSTEM |
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| 4 | #define TRACE_SYSTEM ext2 |
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| 5 | |
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| 6 | #if !defined(_EXT2_TRACE_H) || defined(TRACE_HEADER_MULTI_READ) |
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| 7 | #define _EXT2_TRACE_H |
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| 8 | |
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| 9 | #include <linux/tracepoint.h> |
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| 10 | |
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| 11 | DECLARE_EVENT_CLASS(ext2_dio_class, |
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| 12 | TP_PROTO(struct kiocb *iocb, struct iov_iter *iter, ssize_t ret), |
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| 13 | TP_ARGS(iocb, iter, ret), |
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| 14 | TP_STRUCT__entry( |
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| 15 | __field(dev_t, dev) |
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| 16 | __field(ino_t, ino) |
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| 17 | __field(loff_t, isize) |
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| 18 | __field(loff_t, pos) |
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| 19 | __field(size_t, count) |
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| 20 | __field(int, ki_flags) |
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| 21 | __field(bool, aio) |
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| 22 | __field(ssize_t, ret) |
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| 23 | ), |
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| 24 | TP_fast_assign( |
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| 25 | __entry->dev = file_inode(iocb->ki_filp)->i_sb->s_dev; |
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| 26 | __entry->ino = file_inode(iocb->ki_filp)->i_ino; |
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| 27 | __entry->isize = file_inode(iocb->ki_filp)->i_size; |
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| 28 | __entry->pos = iocb->ki_pos; |
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| 29 | __entry->count = iov_iter_count(iter); |
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| 30 | __entry->ki_flags = iocb->ki_flags; |
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| 31 | __entry->aio = !is_sync_kiocb(iocb); |
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| 32 | __entry->ret = ret; |
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| 33 | ), |
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| 34 | TP_printk("dev %d:%d ino 0x%lx isize 0x%llx pos 0x%llx len %zu flags %s aio %d ret %zd" , |
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| 35 | MAJOR(__entry->dev), MINOR(__entry->dev), |
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| 36 | __entry->ino, |
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| 37 | __entry->isize, |
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| 38 | __entry->pos, |
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| 39 | __entry->count, |
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| 40 | __print_flags(__entry->ki_flags, "|" , TRACE_IOCB_STRINGS), |
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| 41 | __entry->aio, |
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| 42 | __entry->ret) |
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| 43 | ); |
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| 44 | |
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| 45 | #define DEFINE_DIO_RW_EVENT(name) \ |
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| 46 | DEFINE_EVENT(ext2_dio_class, name, \ |
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| 47 | TP_PROTO(struct kiocb *iocb, struct iov_iter *iter, ssize_t ret), \ |
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| 48 | TP_ARGS(iocb, iter, ret)) |
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| 49 | DEFINE_DIO_RW_EVENT(ext2_dio_write_begin); |
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| 50 | DEFINE_DIO_RW_EVENT(ext2_dio_write_end); |
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| 51 | DEFINE_DIO_RW_EVENT(ext2_dio_write_buff_end); |
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| 52 | DEFINE_DIO_RW_EVENT(ext2_dio_read_begin); |
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| 53 | DEFINE_DIO_RW_EVENT(ext2_dio_read_end); |
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| 54 | |
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| 55 | TRACE_EVENT(ext2_dio_write_endio, |
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| 56 | TP_PROTO(struct kiocb *iocb, ssize_t size, int ret), |
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| 57 | TP_ARGS(iocb, size, ret), |
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| 58 | TP_STRUCT__entry( |
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| 59 | __field(dev_t, dev) |
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| 60 | __field(ino_t, ino) |
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| 61 | __field(loff_t, isize) |
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| 62 | __field(loff_t, pos) |
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| 63 | __field(ssize_t, size) |
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| 64 | __field(int, ki_flags) |
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| 65 | __field(bool, aio) |
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| 66 | __field(int, ret) |
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| 67 | ), |
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| 68 | TP_fast_assign( |
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| 69 | __entry->dev = file_inode(iocb->ki_filp)->i_sb->s_dev; |
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| 70 | __entry->ino = file_inode(iocb->ki_filp)->i_ino; |
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| 71 | __entry->isize = file_inode(iocb->ki_filp)->i_size; |
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| 72 | __entry->pos = iocb->ki_pos; |
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| 73 | __entry->size = size; |
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| 74 | __entry->ki_flags = iocb->ki_flags; |
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| 75 | __entry->aio = !is_sync_kiocb(iocb); |
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| 76 | __entry->ret = ret; |
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| 77 | ), |
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| 78 | TP_printk("dev %d:%d ino 0x%lx isize 0x%llx pos 0x%llx len %zd flags %s aio %d ret %d" , |
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| 79 | MAJOR(__entry->dev), MINOR(__entry->dev), |
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| 80 | __entry->ino, |
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| 81 | __entry->isize, |
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| 82 | __entry->pos, |
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| 83 | __entry->size, |
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| 84 | __print_flags(__entry->ki_flags, "|" , TRACE_IOCB_STRINGS), |
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| 85 | __entry->aio, |
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| 86 | __entry->ret) |
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| 87 | ); |
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| 88 | |
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| 89 | #endif /* _EXT2_TRACE_H */ |
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| 90 | |
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| 91 | #undef TRACE_INCLUDE_PATH |
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| 92 | #define TRACE_INCLUDE_PATH . |
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| 93 | #define TRACE_INCLUDE_FILE trace |
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| 94 | #include <trace/define_trace.h> |
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| 95 | |
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