jbd2.h

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#undef TRACE_SYSTEM
#define TRACE_SYSTEM jbd2

#if !defined(_TRACE_JBD2_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_JBD2_H

#include <linux/jbd2.h>
#include <linux/tracepoint.h>

struct transaction_chp_stats_s;
struct transaction_run_stats_s;

TRACE_EVENT(jbd2_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(jbd2_commit,

    TP_PROTO(journal_t *journal, transaction_t *commit_transaction),

    TP_ARGS(journal, commit_transaction),

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

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

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

DEFINE_EVENT(jbd2_commit, jbd2_start_commit,

    TP_PROTO(journal_t *journal, transaction_t *commit_transaction),

    TP_ARGS(journal, commit_transaction)
);

DEFINE_EVENT(jbd2_commit, jbd2_commit_locking,

    TP_PROTO(journal_t *journal, transaction_t *commit_transaction),

    TP_ARGS(journal, commit_transaction)
);

DEFINE_EVENT(jbd2_commit, jbd2_commit_flushing,

    TP_PROTO(journal_t *journal, transaction_t *commit_transaction),

    TP_ARGS(journal, commit_transaction)
);

DEFINE_EVENT(jbd2_commit, jbd2_commit_logging,

    TP_PROTO(journal_t *journal, transaction_t *commit_transaction),

    TP_ARGS(journal, commit_transaction)
);

DEFINE_EVENT(jbd2_commit, jbd2_drop_transaction,

    TP_PROTO(journal_t *journal, transaction_t *commit_transaction),

    TP_ARGS(journal, commit_transaction)
);

TRACE_EVENT(jbd2_end_commit,
    TP_PROTO(journal_t *journal, transaction_t *commit_transaction),

    TP_ARGS(journal, commit_transaction),

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

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

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

TRACE_EVENT(jbd2_submit_inode_data,
    TP_PROTO(struct inode *inode),

    TP_ARGS(inode),

    TP_STRUCT__entry(
        __field(    dev_t,  dev         )
        __field(    ino_t,  ino         )
    ),

    TP_fast_assign(
        __entry->dev    = inode->i_sb->s_dev;
        __entry->ino    = inode->i_ino;
    ),

    TP_printk("dev %d,%d ino %lu",
          MAJOR(__entry->dev), MINOR(__entry->dev),
          (unsigned long) __entry->ino)
);

TRACE_EVENT(jbd2_run_stats,
    TP_PROTO(dev_t dev, unsigned long tid,
         struct transaction_run_stats_s *stats),

    TP_ARGS(dev, tid, stats),

    TP_STRUCT__entry(
        __field(        dev_t,  dev     )
        __field(    unsigned long,  tid     )
        __field(    unsigned long,  wait        )
        __field(    unsigned long,  running     )
        __field(    unsigned long,  locked      )
        __field(    unsigned long,  flushing    )
        __field(    unsigned long,  logging     )
        __field(        __u32,  handle_count    )
        __field(        __u32,  blocks      )
        __field(        __u32,  blocks_logged   )
    ),

    TP_fast_assign(
        __entry->dev        = dev;
        __entry->tid        = tid;
        __entry->wait       = stats->rs_wait;
        __entry->running    = stats->rs_running;
        __entry->locked     = stats->rs_locked;
        __entry->flushing   = stats->rs_flushing;
        __entry->logging    = stats->rs_logging;
        __entry->handle_count   = stats->rs_handle_count;
        __entry->blocks     = stats->rs_blocks;
        __entry->blocks_logged  = stats->rs_blocks_logged;
    ),

    TP_printk("dev %d,%d tid %lu wait %u running %u locked %u flushing %u "
          "logging %u handle_count %u blocks %u blocks_logged %u",
          MAJOR(__entry->dev), MINOR(__entry->dev), __entry->tid,
          jiffies_to_msecs(__entry->wait),
          jiffies_to_msecs(__entry->running),
          jiffies_to_msecs(__entry->locked),
          jiffies_to_msecs(__entry->flushing),
          jiffies_to_msecs(__entry->logging),
          __entry->handle_count, __entry->blocks,
          __entry->blocks_logged)
);

TRACE_EVENT(jbd2_checkpoint_stats,
    TP_PROTO(dev_t dev, unsigned long tid,
         struct transaction_chp_stats_s *stats),

    TP_ARGS(dev, tid, stats),

    TP_STRUCT__entry(
        __field(        dev_t,  dev     )
        __field(    unsigned long,  tid     )
        __field(    unsigned long,  chp_time    )
        __field(        __u32,  forced_to_close )
        __field(        __u32,  written     )
        __field(        __u32,  dropped     )
    ),

    TP_fast_assign(
        __entry->dev        = dev;
        __entry->tid        = tid;
        __entry->chp_time   = stats->cs_chp_time;
        __entry->forced_to_close= stats->cs_forced_to_close;
        __entry->written    = stats->cs_written;
        __entry->dropped    = stats->cs_dropped;
    ),

    TP_printk("dev %d,%d tid %lu chp_time %u forced_to_close %u "
          "written %u dropped %u",
          MAJOR(__entry->dev), MINOR(__entry->dev), __entry->tid,
          jiffies_to_msecs(__entry->chp_time),
          __entry->forced_to_close, __entry->written, __entry->dropped)
);

TRACE_EVENT(jbd2_update_log_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(jbd2_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_JBD2_H */

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