Quelle  trace.h   Sprache: C

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Copyright (c) 2009-2021 Christoph Hellwig
 *
 * NOTE: none of these tracepoints shall be considered a stable kernel ABI
 * as they can change at any time.
 *
 * Current conventions for printing numbers measuring specific units:
 *
 * offset: byte offset into a subcomponent of a file operation
 * pos: file offset, in bytes
 * length: length of a file operation, in bytes
 * ino: inode number
 *
 * Numbers describing space allocations should be formatted in hexadecimal.
 */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM iomap

#if !defined(_IOMAP_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
#define _IOMAP_TRACE_H

#include <linux/tracepoint.h>

struct inode;

DECLARE_EVENT_CLASS(iomap_readpage_class,
 TP_PROTO(struct inode *inode, int nr_pages),
 TP_ARGS(inode, nr_pages),
 TP_STRUCT__entry(
  __field(dev_t, dev)
  __field(u64, ino)
  __field(int, nr_pages)
 ),
 TP_fast_assign(
  __entry->dev = inode->i_sb->s_dev;
  __entry->ino = inode->i_ino;
  __entry->nr_pages = nr_pages;
 ),
 TP_printk("dev %d:%d ino 0x%llx nr_pages %d",
    MAJOR(__entry->dev), MINOR(__entry->dev),
    __entry->ino,
    __entry->nr_pages)
)

#define DEFINE_READPAGE_EVENT(name)  \
DEFINE_EVENT(iomap_readpage_class, name, \
 TP_PROTO(struct inode *inode, int nr_pages), \
 TP_ARGS(inode, nr_pages))
DEFINE_READPAGE_EVENT(iomap_readpage);
DEFINE_READPAGE_EVENT(iomap_readahead);

DECLARE_EVENT_CLASS(iomap_range_class,
 TP_PROTO(struct inode *inode, loff_t off, u64 len),
 TP_ARGS(inode, off, len),
 TP_STRUCT__entry(
  __field(dev_t, dev)
  __field(u64, ino)
  __field(loff_t, size)
  __field(loff_t, offset)
  __field(u64, length)
 ),
 TP_fast_assign(
  __entry->dev = inode->i_sb->s_dev;
  __entry->ino = inode->i_ino;
  __entry->size = i_size_read(inode);
  __entry->offset = off;
  __entry->length = len;
 ),
 TP_printk("dev %d:%d ino 0x%llx size 0x%llx offset 0x%llx length 0x%llx",
    MAJOR(__entry->dev), MINOR(__entry->dev),
    __entry->ino,
    __entry->size,
    __entry->offset,
    __entry->length)
)

#define DEFINE_RANGE_EVENT(name)  \
DEFINE_EVENT(iomap_range_class, name, \
 TP_PROTO(struct inode *inode, loff_t off, u64 len),\
 TP_ARGS(inode, off, len))
DEFINE_RANGE_EVENT(iomap_writeback_folio);
DEFINE_RANGE_EVENT(iomap_release_folio);
DEFINE_RANGE_EVENT(iomap_invalidate_folio);
DEFINE_RANGE_EVENT(iomap_dio_invalidate_fail);
DEFINE_RANGE_EVENT(iomap_dio_rw_queued);

#define IOMAP_TYPE_STRINGS \
 { IOMAP_HOLE,  "HOLE" }, \
 { IOMAP_DELALLOC, "DELALLOC" }, \
 { IOMAP_MAPPED,  "MAPPED" }, \
 { IOMAP_UNWRITTEN, "UNWRITTEN" }, \
 { IOMAP_INLINE,  "INLINE" }

#define IOMAP_FLAGS_STRINGS \
 { IOMAP_WRITE,  "WRITE" }, \
 { IOMAP_ZERO,  "ZERO" }, \
 { IOMAP_REPORT,  "REPORT" }, \
 { IOMAP_FAULT,  "FAULT" }, \
 { IOMAP_DIRECT,  "DIRECT" }, \
 { IOMAP_NOWAIT,  "NOWAIT" }, \
 { IOMAP_OVERWRITE_ONLY, "OVERWRITE_ONLY" }, \
 { IOMAP_UNSHARE, "UNSHARE" }, \
 { IOMAP_DAX,  "DAX" }, \
 { IOMAP_ATOMIC,  "ATOMIC" }, \
 { IOMAP_DONTCACHE, "DONTCACHE" }

#define IOMAP_F_FLAGS_STRINGS \
 { IOMAP_F_NEW,  "NEW" }, \
 { IOMAP_F_DIRTY, "DIRTY" }, \
 { IOMAP_F_SHARED, "SHARED" }, \
 { IOMAP_F_MERGED, "MERGED" }, \
 { IOMAP_F_BUFFER_HEAD, "BH" }, \
 { IOMAP_F_XATTR, "XATTR" }, \
 { IOMAP_F_BOUNDARY, "BOUNDARY" }, \
 { IOMAP_F_ANON_WRITE, "ANON_WRITE" }, \
 { IOMAP_F_ATOMIC_BIO, "ATOMIC_BIO" }, \
 { IOMAP_F_PRIVATE, "PRIVATE" }, \
 { IOMAP_F_SIZE_CHANGED, "SIZE_CHANGED" }, \
 { IOMAP_F_STALE, "STALE" }


#define IOMAP_DIO_STRINGS \
 {IOMAP_DIO_FORCE_WAIT, "DIO_FORCE_WAIT" }, \
 {IOMAP_DIO_OVERWRITE_ONLY, "DIO_OVERWRITE_ONLY" }, \
 {IOMAP_DIO_PARTIAL, "DIO_PARTIAL" }

DECLARE_EVENT_CLASS(iomap_class,
 TP_PROTO(struct inode *inode, struct iomap *iomap),
 TP_ARGS(inode, iomap),
 TP_STRUCT__entry(
  __field(dev_t, dev)
  __field(u64, ino)
  __field(u64, addr)
  __field(loff_t, offset)
  __field(u64, length)
  __field(u16, type)
  __field(u16, flags)
  __field(dev_t, bdev)
 ),
 TP_fast_assign(
  __entry->dev = inode->i_sb->s_dev;
  __entry->ino = inode->i_ino;
  __entry->addr = iomap->addr;
  __entry->offset = iomap->offset;
  __entry->length = iomap->length;
  __entry->type = iomap->type;
  __entry->flags = iomap->flags;
  __entry->bdev = iomap->bdev ? iomap->bdev->bd_dev : 0;
 ),
 TP_printk("dev %d:%d ino 0x%llx bdev %d:%d addr 0x%llx offset 0x%llx "
    "length 0x%llx type %s (0x%x) flags %s (0x%x)",
    MAJOR(__entry->dev), MINOR(__entry->dev),
    __entry->ino,
    MAJOR(__entry->bdev), MINOR(__entry->bdev),
    __entry->addr,
    __entry->offset,
    __entry->length,
    __print_symbolic(__entry->type, IOMAP_TYPE_STRINGS),
    __entry->type,
    __print_flags(__entry->flags, "|", IOMAP_F_FLAGS_STRINGS),
    __entry->flags)
)

#define DEFINE_IOMAP_EVENT(name)  \
DEFINE_EVENT(iomap_class, name, \
 TP_PROTO(struct inode *inode, struct iomap *iomap), \
 TP_ARGS(inode, iomap))
DEFINE_IOMAP_EVENT(iomap_iter_dstmap);
DEFINE_IOMAP_EVENT(iomap_iter_srcmap);

TRACE_EVENT(iomap_add_to_ioend,
 TP_PROTO(struct inode *inode, u64 pos, unsigned int dirty_len,
   struct iomap *iomap),
 TP_ARGS(inode, pos, dirty_len, iomap),
 TP_STRUCT__entry(
  __field(dev_t, dev)
  __field(u64, ino)
  __field(u64, pos)
  __field(u64, dirty_len)
  __field(u64, addr)
  __field(loff_t, offset)
  __field(u64, length)
  __field(u16, type)
  __field(u16, flags)
  __field(dev_t, bdev)
 ),
 TP_fast_assign(
  __entry->dev = inode->i_sb->s_dev;
  __entry->ino = inode->i_ino;
  __entry->pos = pos;
  __entry->dirty_len = dirty_len;
  __entry->addr = iomap->addr;
  __entry->offset = iomap->offset;
  __entry->length = iomap->length;
  __entry->type = iomap->type;
  __entry->flags = iomap->flags;
  __entry->bdev = iomap->bdev ? iomap->bdev->bd_dev : 0;
 ),
 TP_printk("dev %d:%d ino 0x%llx bdev %d:%d pos 0x%llx dirty len 0x%llx "
    "addr 0x%llx offset 0x%llx length 0x%llx type %s (0x%x) flags %s (0x%x)",
    MAJOR(__entry->dev), MINOR(__entry->dev),
    __entry->ino,
    MAJOR(__entry->bdev), MINOR(__entry->bdev),
    __entry->pos,
    __entry->dirty_len,
    __entry->addr,
    __entry->offset,
    __entry->length,
    __print_symbolic(__entry->type, IOMAP_TYPE_STRINGS),
    __entry->type,
    __print_flags(__entry->flags, "|", IOMAP_F_FLAGS_STRINGS),
    __entry->flags)
);

TRACE_EVENT(iomap_iter,
 TP_PROTO(struct iomap_iter *iter, const void *ops,
   unsigned long caller),
 TP_ARGS(iter, ops, caller),
 TP_STRUCT__entry(
  __field(dev_t, dev)
  __field(u64, ino)
  __field(loff_t, pos)
  __field(u64, length)
  __field(int, status)
  __field(unsigned int, flags)
  __field(const void *, ops)
  __field(unsigned long, caller)
 ),
 TP_fast_assign(
  __entry->dev = iter->inode->i_sb->s_dev;
  __entry->ino = iter->inode->i_ino;
  __entry->pos = iter->pos;
  __entry->length = iomap_length(iter);
  __entry->status = iter->status;
  __entry->flags = iter->flags;
  __entry->ops = ops;
  __entry->caller = caller;
 ),
 TP_printk("dev %d:%d ino 0x%llx pos 0x%llx length 0x%llx status %d flags %s (0x%x) ops %ps caller %pS",
    MAJOR(__entry->dev), MINOR(__entry->dev),
     __entry->ino,
     __entry->pos,
     __entry->length,
     __entry->status,
     __print_flags(__entry->flags, "|", IOMAP_FLAGS_STRINGS),
     __entry->flags,
     __entry->ops,
     (void *)__entry->caller)
);

TRACE_EVENT(iomap_dio_rw_begin,
 TP_PROTO(struct kiocb *iocb, struct iov_iter *iter,
   unsigned int dio_flags, size_t done_before),
 TP_ARGS(iocb, iter, dio_flags, done_before),
 TP_STRUCT__entry(
  __field(dev_t, dev)
  __field(ino_t, ino)
  __field(loff_t, isize)
  __field(loff_t, pos)
  __field(size_t, count)
  __field(size_t, done_before)
  __field(int, ki_flags)
  __field(unsigned int, dio_flags)
  __field(bool, aio)
 ),
 TP_fast_assign(
  __entry->dev = file_inode(iocb->ki_filp)->i_sb->s_dev;
  __entry->ino = file_inode(iocb->ki_filp)->i_ino;
  __entry->isize = file_inode(iocb->ki_filp)->i_size;
  __entry->pos = iocb->ki_pos;
  __entry->count = iov_iter_count(iter);
  __entry->done_before = done_before;
  __entry->ki_flags = iocb->ki_flags;
  __entry->dio_flags = dio_flags;
  __entry->aio = !is_sync_kiocb(iocb);
 ),
 TP_printk("dev %d:%d ino 0x%lx size 0x%llx offset 0x%llx length 0x%zx done_before 0x%zx flags %s dio_flags %s aio %d",
    MAJOR(__entry->dev), MINOR(__entry->dev),
    __entry->ino,
    __entry->isize,
    __entry->pos,
    __entry->count,
    __entry->done_before,
    __print_flags(__entry->ki_flags, "|", TRACE_IOCB_STRINGS),
    __print_flags(__entry->dio_flags, "|", IOMAP_DIO_STRINGS),
    __entry->aio)
);

TRACE_EVENT(iomap_dio_complete,
 TP_PROTO(struct kiocb *iocb, int error, ssize_t ret),
 TP_ARGS(iocb, error, ret),
 TP_STRUCT__entry(
  __field(dev_t, dev)
  __field(ino_t, ino)
  __field(loff_t, isize)
  __field(loff_t, pos)
  __field(int, ki_flags)
  __field(bool, aio)
  __field(int, error)
  __field(ssize_t, ret)
 ),
 TP_fast_assign(
  __entry->dev = file_inode(iocb->ki_filp)->i_sb->s_dev;
  __entry->ino = file_inode(iocb->ki_filp)->i_ino;
  __entry->isize = file_inode(iocb->ki_filp)->i_size;
  __entry->pos = iocb->ki_pos;
  __entry->ki_flags = iocb->ki_flags;
  __entry->aio = !is_sync_kiocb(iocb);
  __entry->error = error;
  __entry->ret = ret;
 ),
 TP_printk("dev %d:%d ino 0x%lx size 0x%llx offset 0x%llx flags %s aio %d error %d ret %zd",
    MAJOR(__entry->dev), MINOR(__entry->dev),
    __entry->ino,
    __entry->isize,
    __entry->pos,
    __print_flags(__entry->ki_flags, "|", TRACE_IOCB_STRINGS),
    __entry->aio,
    __entry->error,
    __entry->ret)
);

#endif /* _IOMAP_TRACE_H */

#undef TRACE_INCLUDE_PATH
#define TRACE_INCLUDE_PATH .
#define TRACE_INCLUDE_FILE trace
#include <trace/define_trace.h>