root/include/trace/events/jbd.h

INCLUDED FROM

#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>