ext4: add some tracepoints in extent status tree
This patch adds some tracepoints in extent status tree. Signed-off-by: Zheng Liu <wenqing.lz@taobao.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
This commit is contained in:
parent
51865fda28
commit
992e9fdd7b
@ -14,6 +14,8 @@
|
||||
#include "extents_status.h"
|
||||
#include "ext4_extents.h"
|
||||
|
||||
#include <trace/events/ext4.h>
|
||||
|
||||
/*
|
||||
* According to previous discussion in Ext4 Developer Workshop, we
|
||||
* will introduce a new structure called io tree to track all extent
|
||||
@ -224,6 +226,8 @@ ext4_lblk_t ext4_es_find_extent(struct inode *inode, struct extent_status *es)
|
||||
struct rb_node *node;
|
||||
ext4_lblk_t ret = EXT_MAX_BLOCKS;
|
||||
|
||||
trace_ext4_es_find_extent_enter(inode, es->start);
|
||||
|
||||
read_lock(&EXT4_I(inode)->i_es_lock);
|
||||
tree = &EXT4_I(inode)->i_es_tree;
|
||||
|
||||
@ -253,6 +257,8 @@ out:
|
||||
}
|
||||
|
||||
read_unlock(&EXT4_I(inode)->i_es_lock);
|
||||
|
||||
trace_ext4_es_find_extent_exit(inode, es, ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
@ -393,6 +399,7 @@ int ext4_es_insert_extent(struct inode *inode, ext4_lblk_t offset,
|
||||
struct ext4_es_tree *tree;
|
||||
int err = 0;
|
||||
|
||||
trace_ext4_es_insert_extent(inode, offset, len);
|
||||
es_debug("add [%u/%u) to extent status tree of inode %lu\n",
|
||||
offset, len, inode->i_ino);
|
||||
|
||||
@ -422,6 +429,7 @@ int ext4_es_remove_extent(struct inode *inode, ext4_lblk_t offset,
|
||||
ext4_lblk_t len1, len2, end;
|
||||
int err = 0;
|
||||
|
||||
trace_ext4_es_remove_extent(inode, offset, len);
|
||||
es_debug("remove [%u/%u) from extent status tree of inode %lu\n",
|
||||
offset, len, inode->i_ino);
|
||||
|
||||
|
@ -15,6 +15,7 @@ struct ext4_inode_info;
|
||||
struct mpage_da_data;
|
||||
struct ext4_map_blocks;
|
||||
struct ext4_extent;
|
||||
struct extent_status;
|
||||
|
||||
#define EXT4_I(inode) (container_of(inode, struct ext4_inode_info, vfs_inode))
|
||||
|
||||
@ -2054,6 +2055,106 @@ TRACE_EVENT(ext4_ext_remove_space_done,
|
||||
(unsigned short) __entry->eh_entries)
|
||||
);
|
||||
|
||||
TRACE_EVENT(ext4_es_insert_extent,
|
||||
TP_PROTO(struct inode *inode, ext4_lblk_t start, ext4_lblk_t len),
|
||||
|
||||
TP_ARGS(inode, start, len),
|
||||
|
||||
TP_STRUCT__entry(
|
||||
__field( dev_t, dev )
|
||||
__field( ino_t, ino )
|
||||
__field( loff_t, start )
|
||||
__field( loff_t, len )
|
||||
),
|
||||
|
||||
TP_fast_assign(
|
||||
__entry->dev = inode->i_sb->s_dev;
|
||||
__entry->ino = inode->i_ino;
|
||||
__entry->start = start;
|
||||
__entry->len = len;
|
||||
),
|
||||
|
||||
TP_printk("dev %d,%d ino %lu es [%lld/%lld)",
|
||||
MAJOR(__entry->dev), MINOR(__entry->dev),
|
||||
(unsigned long) __entry->ino,
|
||||
__entry->start, __entry->len)
|
||||
);
|
||||
|
||||
TRACE_EVENT(ext4_es_remove_extent,
|
||||
TP_PROTO(struct inode *inode, ext4_lblk_t start, ext4_lblk_t len),
|
||||
|
||||
TP_ARGS(inode, start, len),
|
||||
|
||||
TP_STRUCT__entry(
|
||||
__field( dev_t, dev )
|
||||
__field( ino_t, ino )
|
||||
__field( loff_t, start )
|
||||
__field( loff_t, len )
|
||||
),
|
||||
|
||||
TP_fast_assign(
|
||||
__entry->dev = inode->i_sb->s_dev;
|
||||
__entry->ino = inode->i_ino;
|
||||
__entry->start = start;
|
||||
__entry->len = len;
|
||||
),
|
||||
|
||||
TP_printk("dev %d,%d ino %lu es [%lld/%lld)",
|
||||
MAJOR(__entry->dev), MINOR(__entry->dev),
|
||||
(unsigned long) __entry->ino,
|
||||
__entry->start, __entry->len)
|
||||
);
|
||||
|
||||
TRACE_EVENT(ext4_es_find_extent_enter,
|
||||
TP_PROTO(struct inode *inode, ext4_lblk_t start),
|
||||
|
||||
TP_ARGS(inode, start),
|
||||
|
||||
TP_STRUCT__entry(
|
||||
__field( dev_t, dev )
|
||||
__field( ino_t, ino )
|
||||
__field( ext4_lblk_t, start )
|
||||
),
|
||||
|
||||
TP_fast_assign(
|
||||
__entry->dev = inode->i_sb->s_dev;
|
||||
__entry->ino = inode->i_ino;
|
||||
__entry->start = start;
|
||||
),
|
||||
|
||||
TP_printk("dev %d,%d ino %lu start %u",
|
||||
MAJOR(__entry->dev), MINOR(__entry->dev),
|
||||
(unsigned long) __entry->ino, __entry->start)
|
||||
);
|
||||
|
||||
TRACE_EVENT(ext4_es_find_extent_exit,
|
||||
TP_PROTO(struct inode *inode, struct extent_status *es,
|
||||
ext4_lblk_t ret),
|
||||
|
||||
TP_ARGS(inode, es, ret),
|
||||
|
||||
TP_STRUCT__entry(
|
||||
__field( dev_t, dev )
|
||||
__field( ino_t, ino )
|
||||
__field( ext4_lblk_t, start )
|
||||
__field( ext4_lblk_t, len )
|
||||
__field( ext4_lblk_t, ret )
|
||||
),
|
||||
|
||||
TP_fast_assign(
|
||||
__entry->dev = inode->i_sb->s_dev;
|
||||
__entry->ino = inode->i_ino;
|
||||
__entry->start = es->start;
|
||||
__entry->len = es->len;
|
||||
__entry->ret = ret;
|
||||
),
|
||||
|
||||
TP_printk("dev %d,%d ino %lu es [%u/%u) ret %u",
|
||||
MAJOR(__entry->dev), MINOR(__entry->dev),
|
||||
(unsigned long) __entry->ino,
|
||||
__entry->start, __entry->len, __entry->ret)
|
||||
);
|
||||
|
||||
#endif /* _TRACE_EXT4_H */
|
||||
|
||||
/* This part must be outside protection */
|
||||
|
Loading…
Reference in New Issue
Block a user