include/trace/events/jbd2.h

Source file repositories/reference/linux-study-clean/include/trace/events/jbd2.h

File Facts

System
Linux kernel
Corpus path
include/trace/events/jbd2.h
Extension
.h
Size
12902 bytes
Lines
498
Domain
Repository Root And Misc
Bucket
include
Inferred role
Repository Root And Misc: implementation source
Status
source implementation candidate

Why This File Exists

Top-level or miscellaneous repository surface. Use this as map coverage unless a later manual pass promotes the file into a deeper subsystem dossier.

Dependency Surface

Detected Declarations

Annotated Snippet

#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)
);

Annotation

Implementation Notes