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authorTheodore Ts'o <tytso@mit.edu>2010-05-17 03:00:00 -0400
committerTheodore Ts'o <tytso@mit.edu>2010-05-17 03:00:00 -0400
commitf307333e14f6b18045eb4198fe646d9b6028f3ed (patch)
tree71611b08a95f4f07de9b4c19100474188027e62e /include/trace/events/ext4.h
parent5a58ec8766e0ce98fd585eb404b3e56935afafe6 (diff)
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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/events/ext4.h')
-rw-r--r--include/trace/events/ext4.h33
1 files changed, 33 insertions, 0 deletions
diff --git a/include/trace/events/ext4.h b/include/trace/events/ext4.h
index 2aa6aa3e8f6..99fbf1d0a6b 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 */