Quelle  trace.h   Sprache: C

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * zonefs filesystem driver tracepoints.
 *
 * Copyright (C) 2021 Western Digital Corporation or its affiliates.
 */

#undef TRACE_SYSTEM
#define TRACE_SYSTEM zonefs

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

#include <linux/tracepoint.h>
#include <linux/trace_seq.h>
#include <linux/blkdev.h>

#include "zonefs.h"

#define show_dev(dev) MAJOR(dev), MINOR(dev)

TRACE_EVENT(zonefs_zone_mgmt,
     TP_PROTO(struct super_block *sb, struct zonefs_zone *z,
       enum req_op op),
     TP_ARGS(sb, z, op),
     TP_STRUCT__entry(
        __field(dev_t, dev)
        __field(ino_t, ino)
        __field(enum req_op, op)
        __field(sector_t, sector)
        __field(sector_t, nr_sectors)
     ),
     TP_fast_assign(
      __entry->dev = sb->s_dev;
      __entry->ino =
    z->z_sector >> ZONEFS_SB(sb)->s_zone_sectors_shift;
      __entry->op = op;
      __entry->sector = z->z_sector;
      __entry->nr_sectors = z->z_size >> SECTOR_SHIFT;
     ),
     TP_printk("bdev=(%d,%d), ino=%lu op=%s, sector=%llu, nr_sectors=%llu",
        show_dev(__entry->dev), (unsigned long)__entry->ino,
        blk_op_str(__entry->op), __entry->sector,
        __entry->nr_sectors
     )
);

TRACE_EVENT(zonefs_file_dio_append,
     TP_PROTO(struct inode *inode, ssize_t size, ssize_t ret),
     TP_ARGS(inode, size, ret),
     TP_STRUCT__entry(
        __field(dev_t, dev)
        __field(ino_t, ino)
        __field(sector_t, sector)
        __field(ssize_t, size)
        __field(loff_t, wpoffset)
        __field(ssize_t, ret)
     ),
     TP_fast_assign(
      __entry->dev = inode->i_sb->s_dev;
      __entry->ino = inode->i_ino;
      __entry->sector = zonefs_inode_zone(inode)->z_sector;
      __entry->size = size;
      __entry->wpoffset =
    zonefs_inode_zone(inode)->z_wpoffset;
      __entry->ret = ret;
     ),
     TP_printk("bdev=(%d, %d), ino=%lu, sector=%llu, size=%zu, wpoffset=%llu, ret=%zu",
        show_dev(__entry->dev), (unsigned long)__entry->ino,
        __entry->sector, __entry->size, __entry->wpoffset,
        __entry->ret
     )
);

TRACE_EVENT(zonefs_iomap_begin,
     TP_PROTO(struct inode *inode, struct iomap *iomap),
     TP_ARGS(inode, iomap),
     TP_STRUCT__entry(
        __field(dev_t, dev)
        __field(ino_t, ino)
        __field(u64, addr)
        __field(loff_t, offset)
        __field(u64, length)
     ),
     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;
     ),
     TP_printk("bdev=(%d,%d), ino=%lu, addr=%llu, offset=%llu, length=%llu",
        show_dev(__entry->dev), (unsigned long)__entry->ino,
        __entry->addr, __entry->offset, __entry->length
     )
);

#endif /* _TRACE_ZONEFS_H */

#undef TRACE_INCLUDE_PATH
#define TRACE_INCLUDE_PATH .
#undef TRACE_INCLUDE_FILE
#define TRACE_INCLUDE_FILE trace

/* This part must be outside protection */
#include <trace/define_trace.h>