trace.h 2.7 KB

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