jbd.h

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#undef TRACE_SYSTEM
#define TRACE_SYSTEM jbd

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

#include <linux/jbd.h>
#include <linux/tracepoint.h>

TRACE_EVENT(jbd_checkpoint,

    TP_PROTO(journal_t *journal, int result),

    TP_ARGS(journal, result),

    TP_STRUCT__entry(
        __field(    dev_t,  dev         )
        __field(    int,    result          )
    ),

    TP_fast_assign(
        __entry->dev        = journal->j_fs_dev->bd_dev;
        __entry->result     = result;
    ),

    TP_printk("dev %d,%d result %d",
          MAJOR(__entry->dev), MINOR(__entry->dev),
          __entry->result)
);

DECLARE_EVENT_CLASS(jbd_commit,

    TP_PROTO(journal_t *journal, transaction_t *commit_transaction),

    TP_ARGS(journal, commit_transaction),

    TP_STRUCT__entry(
        __field(    dev_t,  dev         )
        __field(    int,    transaction     )
    ),

    TP_fast_assign(
        __entry->dev        = journal->j_fs_dev->bd_dev;
        __entry->transaction    = commit_transaction->t_tid;
    ),

    TP_printk("dev %d,%d transaction %d",
          MAJOR(__entry->dev), MINOR(__entry->dev),
          __entry->transaction)
);

DEFINE_EVENT(jbd_commit, jbd_start_commit,

    TP_PROTO(journal_t *journal, transaction_t *commit_transaction),

    TP_ARGS(journal, commit_transaction)
);

DEFINE_EVENT(jbd_commit, jbd_commit_locking,

    TP_PROTO(journal_t *journal, transaction_t *commit_transaction),

    TP_ARGS(journal, commit_transaction)
);

DEFINE_EVENT(jbd_commit, jbd_commit_flushing,

    TP_PROTO(journal_t *journal, transaction_t *commit_transaction),

    TP_ARGS(journal, commit_transaction)
);

DEFINE_EVENT(jbd_commit, jbd_commit_logging,

    TP_PROTO(journal_t *journal, transaction_t *commit_transaction),

    TP_ARGS(journal, commit_transaction)
);

TRACE_EVENT(jbd_drop_transaction,

    TP_PROTO(journal_t *journal, transaction_t *commit_transaction),

    TP_ARGS(journal, commit_transaction),

    TP_STRUCT__entry(
        __field(    dev_t,  dev         )
        __field(    int,    transaction     )
    ),

    TP_fast_assign(
        __entry->dev        = journal->j_fs_dev->bd_dev;
        __entry->transaction    = commit_transaction->t_tid;
    ),

    TP_printk("dev %d,%d transaction %d",
          MAJOR(__entry->dev), MINOR(__entry->dev),
          __entry->transaction)
);

TRACE_EVENT(jbd_end_commit,
    TP_PROTO(journal_t *journal, transaction_t *commit_transaction),

    TP_ARGS(journal, commit_transaction),

    TP_STRUCT__entry(
        __field(    dev_t,  dev         )
        __field(    int,    transaction     )
        __field(    int,    head            )
    ),

    TP_fast_assign(
        __entry->dev        = journal->j_fs_dev->bd_dev;
        __entry->transaction    = commit_transaction->t_tid;
        __entry->head       = journal->j_tail_sequence;
    ),

    TP_printk("dev %d,%d transaction %d head %d",
          MAJOR(__entry->dev), MINOR(__entry->dev),
          __entry->transaction, __entry->head)
);

TRACE_EVENT(jbd_do_submit_data,
    TP_PROTO(journal_t *journal, transaction_t *commit_transaction),

    TP_ARGS(journal, commit_transaction),

    TP_STRUCT__entry(
        __field(    dev_t,  dev         )
        __field(    int,    transaction     )
    ),

    TP_fast_assign(
        __entry->dev        = journal->j_fs_dev->bd_dev;
        __entry->transaction    = commit_transaction->t_tid;
    ),

    TP_printk("dev %d,%d transaction %d",
          MAJOR(__entry->dev), MINOR(__entry->dev),
           __entry->transaction)
);

TRACE_EVENT(jbd_cleanup_journal_tail,

    TP_PROTO(journal_t *journal, tid_t first_tid,
         unsigned long block_nr, unsigned long freed),

    TP_ARGS(journal, first_tid, block_nr, freed),

    TP_STRUCT__entry(
        __field(    dev_t,  dev         )
        __field(    tid_t,  tail_sequence       )
        __field(    tid_t,  first_tid       )
        __field(unsigned long,  block_nr        )
        __field(unsigned long,  freed           )
    ),

    TP_fast_assign(
        __entry->dev        = journal->j_fs_dev->bd_dev;
        __entry->tail_sequence  = journal->j_tail_sequence;
        __entry->first_tid  = first_tid;
        __entry->block_nr   = block_nr;
        __entry->freed      = freed;
    ),

    TP_printk("dev %d,%d from %u to %u offset %lu freed %lu",
          MAJOR(__entry->dev), MINOR(__entry->dev),
          __entry->tail_sequence, __entry->first_tid,
          __entry->block_nr, __entry->freed)
);

TRACE_EVENT(journal_write_superblock,
    TP_PROTO(journal_t *journal, int write_op),

    TP_ARGS(journal, write_op),

    TP_STRUCT__entry(
        __field(    dev_t,  dev         )
        __field(    int,    write_op        )
    ),

    TP_fast_assign(
        __entry->dev        = journal->j_fs_dev->bd_dev;
        __entry->write_op   = write_op;
    ),

    TP_printk("dev %d,%d write_op %x", MAJOR(__entry->dev),
          MINOR(__entry->dev), __entry->write_op)
);

#endif /* _TRACE_JBD_H */

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