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https://github.com/torvalds/linux
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d0b6e04a4c
If TRACE_INCLDUE_FILE is defined, <trace/events/TRACE_INCLUDE_FILE.h>
will be included and compiled, otherwise it will be
<trace/events/TRACE_SYSTEM.h>
So TRACE_SYSTEM should be defined outside of #if proctection,
just like TRACE_INCLUDE_FILE.
Imaging this scenario:
#include <trace/events/foo.h>
-> TRACE_SYSTEM == foo
...
#include <trace/events/bar.h>
-> TRACE_SYSTEM == bar
...
#define CREATE_TRACE_POINTS
#include <trace/events/foo.h>
-> TRACE_SYSTEM == bar !!!
and then bar.h will be included and compiled.
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
LKML-Reference: <4A5A9CF1.2010007@cn.fujitsu.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
169 lines
3.9 KiB
C
169 lines
3.9 KiB
C
#undef TRACE_SYSTEM
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#define TRACE_SYSTEM jbd2
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#if !defined(_TRACE_JBD2_H) || defined(TRACE_HEADER_MULTI_READ)
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#define _TRACE_JBD2_H
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#include <linux/jbd2.h>
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#include <linux/tracepoint.h>
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TRACE_EVENT(jbd2_checkpoint,
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TP_PROTO(journal_t *journal, int result),
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TP_ARGS(journal, result),
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TP_STRUCT__entry(
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__field( dev_t, dev )
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__field( int, result )
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),
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TP_fast_assign(
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__entry->dev = journal->j_fs_dev->bd_dev;
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__entry->result = result;
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),
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TP_printk("dev %s result %d",
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jbd2_dev_to_name(__entry->dev), __entry->result)
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);
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TRACE_EVENT(jbd2_start_commit,
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TP_PROTO(journal_t *journal, transaction_t *commit_transaction),
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TP_ARGS(journal, commit_transaction),
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TP_STRUCT__entry(
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__field( dev_t, dev )
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__field( char, sync_commit )
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__field( int, transaction )
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),
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TP_fast_assign(
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__entry->dev = journal->j_fs_dev->bd_dev;
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__entry->sync_commit = commit_transaction->t_synchronous_commit;
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__entry->transaction = commit_transaction->t_tid;
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),
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TP_printk("dev %s transaction %d sync %d",
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jbd2_dev_to_name(__entry->dev), __entry->transaction,
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__entry->sync_commit)
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);
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TRACE_EVENT(jbd2_commit_locking,
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TP_PROTO(journal_t *journal, transaction_t *commit_transaction),
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TP_ARGS(journal, commit_transaction),
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TP_STRUCT__entry(
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__field( dev_t, dev )
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__field( char, sync_commit )
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__field( int, transaction )
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),
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TP_fast_assign(
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__entry->dev = journal->j_fs_dev->bd_dev;
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__entry->sync_commit = commit_transaction->t_synchronous_commit;
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__entry->transaction = commit_transaction->t_tid;
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),
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TP_printk("dev %s transaction %d sync %d",
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jbd2_dev_to_name(__entry->dev), __entry->transaction,
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__entry->sync_commit)
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);
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TRACE_EVENT(jbd2_commit_flushing,
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TP_PROTO(journal_t *journal, transaction_t *commit_transaction),
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TP_ARGS(journal, commit_transaction),
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TP_STRUCT__entry(
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__field( dev_t, dev )
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__field( char, sync_commit )
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__field( int, transaction )
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),
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TP_fast_assign(
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__entry->dev = journal->j_fs_dev->bd_dev;
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__entry->sync_commit = commit_transaction->t_synchronous_commit;
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__entry->transaction = commit_transaction->t_tid;
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),
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TP_printk("dev %s transaction %d sync %d",
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jbd2_dev_to_name(__entry->dev), __entry->transaction,
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__entry->sync_commit)
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);
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TRACE_EVENT(jbd2_commit_logging,
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TP_PROTO(journal_t *journal, transaction_t *commit_transaction),
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TP_ARGS(journal, commit_transaction),
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TP_STRUCT__entry(
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__field( dev_t, dev )
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__field( char, sync_commit )
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__field( int, transaction )
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),
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TP_fast_assign(
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__entry->dev = journal->j_fs_dev->bd_dev;
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__entry->sync_commit = commit_transaction->t_synchronous_commit;
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__entry->transaction = commit_transaction->t_tid;
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),
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TP_printk("dev %s transaction %d sync %d",
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jbd2_dev_to_name(__entry->dev), __entry->transaction,
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__entry->sync_commit)
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);
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TRACE_EVENT(jbd2_end_commit,
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TP_PROTO(journal_t *journal, transaction_t *commit_transaction),
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TP_ARGS(journal, commit_transaction),
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TP_STRUCT__entry(
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__field( dev_t, dev )
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__field( char, sync_commit )
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__field( int, transaction )
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__field( int, head )
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),
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TP_fast_assign(
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__entry->dev = journal->j_fs_dev->bd_dev;
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__entry->sync_commit = commit_transaction->t_synchronous_commit;
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__entry->transaction = commit_transaction->t_tid;
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__entry->head = journal->j_tail_sequence;
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),
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TP_printk("dev %s transaction %d sync %d head %d",
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jbd2_dev_to_name(__entry->dev), __entry->transaction,
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__entry->sync_commit, __entry->head)
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);
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TRACE_EVENT(jbd2_submit_inode_data,
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TP_PROTO(struct inode *inode),
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TP_ARGS(inode),
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TP_STRUCT__entry(
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__field( dev_t, dev )
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__field( ino_t, ino )
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),
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TP_fast_assign(
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__entry->dev = inode->i_sb->s_dev;
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__entry->ino = inode->i_ino;
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),
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TP_printk("dev %s ino %lu",
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jbd2_dev_to_name(__entry->dev), __entry->ino)
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);
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#endif /* _TRACE_JBD2_H */
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/* This part must be outside protection */
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#include <trace/define_trace.h>
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