Quelle  jbd2.h   Sprache: C

/* SPDX-License-Identifier: GPL-2.0 */
#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( tid_t, 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 %u 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( tid_t, transaction    )
  __field( tid_t, 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 %u sync %d head %u",
    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)
);

DECLARE_EVENT_CLASS(jbd2_handle_start_class,
 TP_PROTO(dev_t dev, tid_t tid, unsigned int type,
   unsigned int line_no, int requested_blocks),

 TP_ARGS(dev, tid, type, line_no, requested_blocks),

 TP_STRUCT__entry(
  __field(  dev_t, dev  )
  __field(  tid_t, tid  )
  __field(  unsigned int, type  )
  __field(  unsigned int, line_no  )
  __field(    int, requested_blocks)
 ),

 TP_fast_assign(
  __entry->dev    = dev;
  __entry->tid    = tid;
  __entry->type    = type;
  __entry->line_no   = line_no;
  __entry->requested_blocks = requested_blocks;
 ),

 TP_printk("dev %d,%d tid %u type %u line_no %u "
    "requested_blocks %d",
    MAJOR(__entry->dev), MINOR(__entry->dev), __entry->tid,
    __entry->type, __entry->line_no, __entry->requested_blocks)
);

DEFINE_EVENT(jbd2_handle_start_class, jbd2_handle_start,
 TP_PROTO(dev_t dev, tid_t tid, unsigned int type,
   unsigned int line_no, int requested_blocks),

 TP_ARGS(dev, tid, type, line_no, requested_blocks)
);

DEFINE_EVENT(jbd2_handle_start_class, jbd2_handle_restart,
 TP_PROTO(dev_t dev, tid_t tid, unsigned int type,
   unsigned int line_no, int requested_blocks),

 TP_ARGS(dev, tid, type, line_no, requested_blocks)
);

TRACE_EVENT(jbd2_handle_extend,
 TP_PROTO(dev_t dev, tid_t tid, unsigned int type,
   unsigned int line_no, int buffer_credits,
   int requested_blocks),

 TP_ARGS(dev, tid, type, line_no, buffer_credits, requested_blocks),

 TP_STRUCT__entry(
  __field(  dev_t, dev  )
  __field(  tid_t, tid  )
  __field(  unsigned int, type  )
  __field(  unsigned int, line_no  )
  __field(    int, buffer_credits  )
  __field(    int, requested_blocks)
 ),

 TP_fast_assign(
  __entry->dev    = dev;
  __entry->tid    = tid;
  __entry->type    = type;
  __entry->line_no   = line_no;
  __entry->buffer_credits   = buffer_credits;
  __entry->requested_blocks = requested_blocks;
 ),

 TP_printk("dev %d,%d tid %u type %u line_no %u "
    "buffer_credits %d requested_blocks %d",
    MAJOR(__entry->dev), MINOR(__entry->dev), __entry->tid,
    __entry->type, __entry->line_no, __entry->buffer_credits,
    __entry->requested_blocks)
);

TRACE_EVENT(jbd2_handle_stats,
 TP_PROTO(dev_t dev, tid_t tid, unsigned int type,
   unsigned int line_no, int interval, int sync,
   int requested_blocks, int dirtied_blocks),

 TP_ARGS(dev, tid, type, line_no, interval, sync,
  requested_blocks, dirtied_blocks),

 TP_STRUCT__entry(
  __field(  dev_t, dev  )
  __field(  tid_t, tid  )
  __field(  unsigned int, type  )
  __field(  unsigned int, line_no  )
  __field(    int, interval )
  __field(    int, sync  )
  __field(    int, requested_blocks)
  __field(    int, dirtied_blocks )
 ),

 TP_fast_assign(
  __entry->dev    = dev;
  __entry->tid    = tid;
  __entry->type    = type;
  __entry->line_no   = line_no;
  __entry->interval   = interval;
  __entry->sync    = sync;
  __entry->requested_blocks = requested_blocks;
  __entry->dirtied_blocks   = dirtied_blocks;
 ),

 TP_printk("dev %d,%d tid %u type %u line_no %u interval %d "
    "sync %d requested_blocks %d dirtied_blocks %d",
    MAJOR(__entry->dev), MINOR(__entry->dev), __entry->tid,
    __entry->type, __entry->line_no, __entry->interval,
    __entry->sync, __entry->requested_blocks,
    __entry->dirtied_blocks)
);

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

 TP_ARGS(dev, tid, stats),

 TP_STRUCT__entry(
  __field(  dev_t, dev  )
  __field(  tid_t, tid  )
  __field( unsigned long, wait  )
  __field( unsigned long, request_delay )
  __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->request_delay = stats->rs_request_delay;
  __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 %u wait %u request_delay %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->request_delay),
    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, tid_t tid,
   struct transaction_chp_stats_s *stats),

 TP_ARGS(dev, tid, stats),

 TP_STRUCT__entry(
  __field(  dev_t, dev  )
  __field(  tid_t, 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 %u 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, blk_opf_t write_flags),

 TP_ARGS(journal, write_flags),

 TP_STRUCT__entry(
  __field( dev_t,  dev   )
  __field(    blk_opf_t,  write_flags  )
 ),

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

 TP_printk("dev %d,%d write_flags %x", MAJOR(__entry->dev),
    MINOR(__entry->dev), (__force u32)__entry->write_flags)
);

TRACE_EVENT(jbd2_lock_buffer_stall,

 TP_PROTO(dev_t dev, unsigned long stall_ms),

 TP_ARGS(dev, stall_ms),

 TP_STRUCT__entry(
  __field(        dev_t, dev )
  __field(unsigned long, stall_ms )
 ),

 TP_fast_assign(
  __entry->dev  = dev;
  __entry->stall_ms = stall_ms;
 ),

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

DECLARE_EVENT_CLASS(jbd2_journal_shrink,

 TP_PROTO(journal_t *journal, unsigned long nr_to_scan,
   unsigned long count),

 TP_ARGS(journal, nr_to_scan, count),

 TP_STRUCT__entry(
  __field(dev_t, dev)
  __field(unsigned long, nr_to_scan)
  __field(unsigned long, count)
 ),

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

 TP_printk("dev %d,%d nr_to_scan %lu count %lu",
    MAJOR(__entry->dev), MINOR(__entry->dev),
    __entry->nr_to_scan, __entry->count)
);

DEFINE_EVENT(jbd2_journal_shrink, jbd2_shrink_count,

 TP_PROTO(journal_t *journal, unsigned long nr_to_scan, unsigned long count),

 TP_ARGS(journal, nr_to_scan, count)
);

DEFINE_EVENT(jbd2_journal_shrink, jbd2_shrink_scan_enter,

 TP_PROTO(journal_t *journal, unsigned long nr_to_scan, unsigned long count),

 TP_ARGS(journal, nr_to_scan, count)
);

TRACE_EVENT(jbd2_shrink_scan_exit,

 TP_PROTO(journal_t *journal, unsigned long nr_to_scan,
   unsigned long nr_shrunk, unsigned long count),

 TP_ARGS(journal, nr_to_scan, nr_shrunk, count),

 TP_STRUCT__entry(
  __field(dev_t, dev)
  __field(unsigned long, nr_to_scan)
  __field(unsigned long, nr_shrunk)
  __field(unsigned long, count)
 ),

 TP_fast_assign(
  __entry->dev  = journal->j_fs_dev->bd_dev;
  __entry->nr_to_scan = nr_to_scan;
  __entry->nr_shrunk = nr_shrunk;
  __entry->count  = count;
 ),

 TP_printk("dev %d,%d nr_to_scan %lu nr_shrunk %lu count %lu",
    MAJOR(__entry->dev), MINOR(__entry->dev),
    __entry->nr_to_scan, __entry->nr_shrunk,
    __entry->count)
);

TRACE_EVENT(jbd2_shrink_checkpoint_list,

 TP_PROTO(journal_t *journal, tid_t first_tid, tid_t tid, tid_t last_tid,
   unsigned long nr_freed, tid_t next_tid),

 TP_ARGS(journal, first_tid, tid, last_tid, nr_freed, next_tid),

 TP_STRUCT__entry(
  __field(dev_t, dev)
  __field(tid_t, first_tid)
  __field(tid_t, tid)
  __field(tid_t, last_tid)
  __field(unsigned long, nr_freed)
  __field(tid_t, next_tid)
 ),

 TP_fast_assign(
  __entry->dev  = journal->j_fs_dev->bd_dev;
  __entry->first_tid = first_tid;
  __entry->tid  = tid;
  __entry->last_tid = last_tid;
  __entry->nr_freed = nr_freed;
  __entry->next_tid = next_tid;
 ),

 TP_printk("dev %d,%d shrink transaction %u-%u(%u) freed %lu "
    "next transaction %u",
    MAJOR(__entry->dev), MINOR(__entry->dev),
    __entry->first_tid, __entry->tid, __entry->last_tid,
    __entry->nr_freed, __entry->next_tid)
);

#endif /* _TRACE_JBD2_H */

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