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ext4: Add new tracepoints to track mballoc's buddy bitmap loads

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Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
This commit is contained in:
Theodore Ts'o
2010-05-17 03:00:00 -04:00
parent 5a58ec8766
commit f307333e14
2 changed files with 35 additions and 0 deletions
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33
include/trace/events/ext4.h
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@@ -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 */