From f8ec9d6837241865cf99bed97bb99f4399fd5a03 Mon Sep 17 00:00:00 2001 From: Theodore Ts'o Date: Fri, 1 Jan 2010 01:00:21 -0500 Subject: 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" --- include/trace/events/ext4.h | 101 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 101 insertions(+) (limited to 'include/trace/events/ext4.h') 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 */ -- cgit v1.2.3