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f2fs: add trace for rb-tree extent cache ops

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This patch adds trace for lookup/update/shrink/destroy ops in rb-tree extent cache.

Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Chao Yu
2015-02-05 17:59:59 +08:00
committed by Jaegeuk Kim
parent 4bf6fd9fed
commit 1ec4610c52
2 changed files with 148 additions and 2 deletions
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134
include/trace/events/f2fs.h
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@@ -1011,6 +1011,140 @@ TRACE_EVENT(f2fs_issue_flush,
__entry->nobarrier ? "skip (nobarrier)" : "issue",
__entry->flush_merge ? " with flush_merge" : "")
);
TRACE_EVENT(f2fs_lookup_extent_tree_start,
TP_PROTO(struct inode *inode, unsigned int pgofs),
TP_ARGS(inode, pgofs),
TP_STRUCT__entry(
__field(dev_t, dev)
__field(ino_t, ino)
__field(unsigned int, pgofs)
),
TP_fast_assign(
__entry->dev = inode->i_sb->s_dev;
__entry->ino = inode->i_ino;
__entry->pgofs = pgofs;
),
TP_printk("dev = (%d,%d), ino = %lu, pgofs = %u",
show_dev_ino(__entry),
__entry->pgofs)
);
TRACE_EVENT_CONDITION(f2fs_lookup_extent_tree_end,
TP_PROTO(struct inode *inode, unsigned int pgofs,
struct extent_node *en),
TP_ARGS(inode, pgofs, en),
TP_CONDITION(en),
TP_STRUCT__entry(
__field(dev_t, dev)
__field(ino_t, ino)
__field(unsigned int, pgofs)
__field(unsigned int, fofs)
__field(u32, blk)
__field(unsigned int, len)
),
TP_fast_assign(
__entry->dev = inode->i_sb->s_dev;
__entry->ino = inode->i_ino;
__entry->pgofs = pgofs;
__entry->fofs = en->ei.fofs;
__entry->blk = en->ei.blk;
__entry->len = en->ei.len;
),
TP_printk("dev = (%d,%d), ino = %lu, pgofs = %u, "
"ext_info(fofs: %u, blk: %u, len: %u)",
show_dev_ino(__entry),
__entry->pgofs,
__entry->fofs,
__entry->blk,
__entry->len)
);
TRACE_EVENT(f2fs_update_extent_tree,
TP_PROTO(struct inode *inode, unsigned int pgofs, block_t blkaddr),
TP_ARGS(inode, pgofs, blkaddr),
TP_STRUCT__entry(
__field(dev_t, dev)
__field(ino_t, ino)
__field(unsigned int, pgofs)
__field(u32, blk)
),
TP_fast_assign(
__entry->dev = inode->i_sb->s_dev;
__entry->ino = inode->i_ino;
__entry->pgofs = pgofs;
__entry->blk = blkaddr;
),
TP_printk("dev = (%d,%d), ino = %lu, pgofs = %u, blkaddr = %u",
show_dev_ino(__entry),
__entry->pgofs,
__entry->blk)
);
TRACE_EVENT(f2fs_shrink_extent_tree,
TP_PROTO(struct f2fs_sb_info *sbi, unsigned int node_cnt,
unsigned int tree_cnt),
TP_ARGS(sbi, node_cnt, tree_cnt),
TP_STRUCT__entry(
__field(dev_t, dev)
__field(unsigned int, node_cnt)
__field(unsigned int, tree_cnt)
),
TP_fast_assign(
__entry->dev = sbi->sb->s_dev;
__entry->node_cnt = node_cnt;
__entry->tree_cnt = tree_cnt;
),
TP_printk("dev = (%d,%d), shrunk: node_cnt = %u, tree_cnt = %u",
show_dev(__entry),
__entry->node_cnt,
__entry->tree_cnt)
);
TRACE_EVENT(f2fs_destroy_extent_tree,
TP_PROTO(struct inode *inode, unsigned int node_cnt),
TP_ARGS(inode, node_cnt),
TP_STRUCT__entry(
__field(dev_t, dev)
__field(ino_t, ino)
__field(unsigned int, node_cnt)
),
TP_fast_assign(
__entry->dev = inode->i_sb->s_dev;
__entry->ino = inode->i_ino;
__entry->node_cnt = node_cnt;
),
TP_printk("dev = (%d,%d), ino = %lu, destroyed: node_cnt = %u",
show_dev_ino(__entry),
__entry->node_cnt)
);
#endif /* _TRACE_F2FS_H */
/* This part must be outside protection */