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author | Theodore Ts'o <tytso@mit.edu> | 2010-01-01 07:00:21 +0100 |
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committer | Theodore Ts'o <tytso@mit.edu> | 2010-01-01 07:00:21 +0100 |
commit | f8ec9d6837241865cf99bed97bb99f4399fd5a03 (patch) | |
tree | f1198366ae4c9c2db3c8869813f061ee85d3b243 /include/trace | |
parent | ext4: Add new tracepoint for jbd2_cleanup_journal_tail (diff) | |
download | linux-f8ec9d6837241865cf99bed97bb99f4399fd5a03.tar.xz linux-f8ec9d6837241865cf99bed97bb99f4399fd5a03.zip |
ext4: Add new tracepoints to debug delayed allocation space functions
Add tracepoints for ext4_da_reserve_space(),
ext4_da_update_reserve_space(), and ext4_da_release_space().
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'include/trace')
-rw-r--r-- | include/trace/events/ext4.h | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/include/trace/events/ext4.h b/include/trace/events/ext4.h index d0b6cd3afb2f..2aa6aa3e8f61 100644 --- a/include/trace/events/ext4.h +++ b/include/trace/events/ext4.h @@ -874,6 +874,107 @@ TRACE_EVENT(ext4_forget, __entry->mode, __entry->is_metadata, __entry->block) ); +TRACE_EVENT(ext4_da_update_reserve_space, + TP_PROTO(struct inode *inode, int used_blocks), + + TP_ARGS(inode, used_blocks), + + TP_STRUCT__entry( + __field( dev_t, dev ) + __field( ino_t, ino ) + __field( umode_t, mode ) + __field( __u64, i_blocks ) + __field( int, used_blocks ) + __field( int, reserved_data_blocks ) + __field( int, reserved_meta_blocks ) + __field( int, allocated_meta_blocks ) + ), + + TP_fast_assign( + __entry->dev = inode->i_sb->s_dev; + __entry->ino = inode->i_ino; + __entry->mode = inode->i_mode; + __entry->i_blocks = inode->i_blocks; + __entry->used_blocks = used_blocks; + __entry->reserved_data_blocks = EXT4_I(inode)->i_reserved_data_blocks; + __entry->reserved_meta_blocks = EXT4_I(inode)->i_reserved_meta_blocks; + __entry->allocated_meta_blocks = EXT4_I(inode)->i_allocated_meta_blocks; + ), + + TP_printk("dev %s ino %lu mode 0%o i_blocks %llu used_blocks %d reserved_data_blocks %d reserved_meta_blocks %d allocated_meta_blocks %d", + jbd2_dev_to_name(__entry->dev), (unsigned long) __entry->ino, + __entry->mode, (unsigned long long) __entry->i_blocks, + __entry->used_blocks, __entry->reserved_data_blocks, + __entry->reserved_meta_blocks, __entry->allocated_meta_blocks) +); + +TRACE_EVENT(ext4_da_reserve_space, + TP_PROTO(struct inode *inode, int md_needed), + + TP_ARGS(inode, md_needed), + + TP_STRUCT__entry( + __field( dev_t, dev ) + __field( ino_t, ino ) + __field( umode_t, mode ) + __field( __u64, i_blocks ) + __field( int, md_needed ) + __field( int, reserved_data_blocks ) + __field( int, reserved_meta_blocks ) + ), + + TP_fast_assign( + __entry->dev = inode->i_sb->s_dev; + __entry->ino = inode->i_ino; + __entry->mode = inode->i_mode; + __entry->i_blocks = inode->i_blocks; + __entry->md_needed = md_needed; + __entry->reserved_data_blocks = EXT4_I(inode)->i_reserved_data_blocks; + __entry->reserved_meta_blocks = EXT4_I(inode)->i_reserved_meta_blocks; + ), + + TP_printk("dev %s ino %lu mode 0%o i_blocks %llu md_needed %d reserved_data_blocks %d reserved_meta_blocks %d", + jbd2_dev_to_name(__entry->dev), (unsigned long) __entry->ino, + __entry->mode, (unsigned long long) __entry->i_blocks, + __entry->md_needed, __entry->reserved_data_blocks, + __entry->reserved_meta_blocks) +); + +TRACE_EVENT(ext4_da_release_space, + TP_PROTO(struct inode *inode, int freed_blocks), + + TP_ARGS(inode, freed_blocks), + + TP_STRUCT__entry( + __field( dev_t, dev ) + __field( ino_t, ino ) + __field( umode_t, mode ) + __field( __u64, i_blocks ) + __field( int, freed_blocks ) + __field( int, reserved_data_blocks ) + __field( int, reserved_meta_blocks ) + __field( int, allocated_meta_blocks ) + ), + + TP_fast_assign( + __entry->dev = inode->i_sb->s_dev; + __entry->ino = inode->i_ino; + __entry->mode = inode->i_mode; + __entry->i_blocks = inode->i_blocks; + __entry->freed_blocks = freed_blocks; + __entry->reserved_data_blocks = EXT4_I(inode)->i_reserved_data_blocks; + __entry->reserved_meta_blocks = EXT4_I(inode)->i_reserved_meta_blocks; + __entry->allocated_meta_blocks = EXT4_I(inode)->i_allocated_meta_blocks; + ), + + TP_printk("dev %s ino %lu mode 0%o i_blocks %llu freed_blocks %d reserved_data_blocks %d reserved_meta_blocks %d allocated_meta_blocks %d", + jbd2_dev_to_name(__entry->dev), (unsigned long) __entry->ino, + __entry->mode, (unsigned long long) __entry->i_blocks, + __entry->freed_blocks, __entry->reserved_data_blocks, + __entry->reserved_meta_blocks, __entry->allocated_meta_blocks) +); + + #endif /* _TRACE_EXT4_H */ /* This part must be outside protection */ |