fs/ext2/trace.h

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