ext4: Add new tracepoints to track mballoc's buddy bitmap loads
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
diff --git a/include/trace/events/ext4.h b/include/trace/events/ext4.h
index 2aa6aa3..99fbf1d 100644
--- a/include/trace/events/ext4.h
+++ b/include/trace/events/ext4.h
@@ -974,6 +974,39 @@
__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 */