diff options
| author | Zhang Yi <yi.zhang@huawei.com> | 2025-10-13 09:51:28 +0800 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2025-11-06 10:44:39 -0500 |
| commit | 9dbf945320b11c5865d2f550f8e972566d04d181 (patch) | |
| tree | c09f37d752a51f1800fce5e494adf0dc9c03f7c7 /include/trace | |
| parent | 65097262f5ee786e649224ead2c08b7552376269 (diff) | |
ext4: add two trace points for moving extents
To facilitate tracking the length, type, and outcome of the move extent,
add a trace point at both the entry and exit of mext_move_extent().
Signed-off-by: Zhang Yi <yi.zhang@huawei.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Message-ID: <20251013015128.499308-13-yi.zhang@huaweicloud.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'include/trace')
| -rw-r--r-- | include/trace/events/ext4.h | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/include/trace/events/ext4.h b/include/trace/events/ext4.h index 6a0754d38acf..a05bdd48e16e 100644 --- a/include/trace/events/ext4.h +++ b/include/trace/events/ext4.h @@ -3016,6 +3016,80 @@ TRACE_EVENT(ext4_update_sb, __entry->fsblk, __entry->flags) ); +TRACE_EVENT(ext4_move_extent_enter, + TP_PROTO(struct inode *orig_inode, struct ext4_map_blocks *orig_map, + struct inode *donor_inode, ext4_lblk_t donor_lblk), + + TP_ARGS(orig_inode, orig_map, donor_inode, donor_lblk), + + TP_STRUCT__entry( + __field(dev_t, dev) + __field(ino_t, orig_ino) + __field(ext4_lblk_t, orig_lblk) + __field(unsigned int, orig_flags) + __field(ino_t, donor_ino) + __field(ext4_lblk_t, donor_lblk) + __field(unsigned int, len) + ), + + TP_fast_assign( + __entry->dev = orig_inode->i_sb->s_dev; + __entry->orig_ino = orig_inode->i_ino; + __entry->orig_lblk = orig_map->m_lblk; + __entry->orig_flags = orig_map->m_flags; + __entry->donor_ino = donor_inode->i_ino; + __entry->donor_lblk = donor_lblk; + __entry->len = orig_map->m_len; + ), + + TP_printk("dev %d,%d origin ino %lu lblk %u flags %s donor ino %lu lblk %u len %u", + MAJOR(__entry->dev), MINOR(__entry->dev), + (unsigned long) __entry->orig_ino, __entry->orig_lblk, + show_mflags(__entry->orig_flags), + (unsigned long) __entry->donor_ino, __entry->donor_lblk, + __entry->len) +); + +TRACE_EVENT(ext4_move_extent_exit, + TP_PROTO(struct inode *orig_inode, ext4_lblk_t orig_lblk, + struct inode *donor_inode, ext4_lblk_t donor_lblk, + unsigned int m_len, u64 move_len, int move_type, int ret), + + TP_ARGS(orig_inode, orig_lblk, donor_inode, donor_lblk, m_len, + move_len, move_type, ret), + + TP_STRUCT__entry( + __field(dev_t, dev) + __field(ino_t, orig_ino) + __field(ext4_lblk_t, orig_lblk) + __field(ino_t, donor_ino) + __field(ext4_lblk_t, donor_lblk) + __field(unsigned int, m_len) + __field(u64, move_len) + __field(int, move_type) + __field(int, ret) + ), + + TP_fast_assign( + __entry->dev = orig_inode->i_sb->s_dev; + __entry->orig_ino = orig_inode->i_ino; + __entry->orig_lblk = orig_lblk; + __entry->donor_ino = donor_inode->i_ino; + __entry->donor_lblk = donor_lblk; + __entry->m_len = m_len; + __entry->move_len = move_len; + __entry->move_type = move_type; + __entry->ret = ret; + ), + + TP_printk("dev %d,%d origin ino %lu lblk %u donor ino %lu lblk %u m_len %u, move_len %llu type %d ret %d", + MAJOR(__entry->dev), MINOR(__entry->dev), + (unsigned long) __entry->orig_ino, __entry->orig_lblk, + (unsigned long) __entry->donor_ino, __entry->donor_lblk, + __entry->m_len, __entry->move_len, __entry->move_type, + __entry->ret) +); + #endif /* _TRACE_EXT4_H */ /* This part must be outside protection */ |