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| author | Theodore Ts'o <tytso@mit.edu> | 2010-05-17 03:00:00 -0400 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2010-05-17 03:00:00 -0400 |
| commit | f307333e14f6b18045eb4198fe646d9b6028f3ed (patch) | |
| tree | 71611b08a95f4f07de9b4c19100474188027e62e /include/trace | |
| parent | 5a58ec8766e0ce98fd585eb404b3e56935afafe6 (diff) | |
| download | blackbird-op-linux-f307333e14f6b18045eb4198fe646d9b6028f3ed.tar.gz blackbird-op-linux-f307333e14f6b18045eb4198fe646d9b6028f3ed.zip | |
ext4: Add new tracepoints to track mballoc's buddy bitmap loads
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'include/trace')
| -rw-r--r-- | include/trace/events/ext4.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/include/trace/events/ext4.h b/include/trace/events/ext4.h index 2aa6aa3e8f61..99fbf1d0a6b9 100644 --- a/include/trace/events/ext4.h +++ b/include/trace/events/ext4.h @@ -974,6 +974,39 @@ TRACE_EVENT(ext4_da_release_space, __entry->reserved_meta_blocks, __entry->allocated_meta_blocks) ); +DECLARE_EVENT_CLASS(ext4__bitmap_load, + TP_PROTO(struct super_block *sb, unsigned long group), + + TP_ARGS(sb, group), + + TP_STRUCT__entry( + __field( dev_t, dev ) + __field( __u32, group ) + + ), + + TP_fast_assign( + __entry->dev = sb->s_dev; + __entry->group = group; + ), + + TP_printk("dev %s group %u", + jbd2_dev_to_name(__entry->dev), __entry->group) +); + +DEFINE_EVENT(ext4__bitmap_load, ext4_mb_bitmap_load, + + TP_PROTO(struct super_block *sb, unsigned long group), + + TP_ARGS(sb, group) +); + +DEFINE_EVENT(ext4__bitmap_load, ext4_mb_buddy_bitmap_load, + + TP_PROTO(struct super_block *sb, unsigned long group), + + TP_ARGS(sb, group) +); #endif /* _TRACE_EXT4_H */ |
