f2fs: show extent tree, node stat info in debugfs
This patch add and show stat info of total memory footprint for extent tree,node
in debugfs.
Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c
index e671373..1006290 100644
--- a/fs/f2fs/debug.c
+++ b/fs/f2fs/debug.c
@@ -35,6 +35,8 @@
/* validation check of the segment numbers */
si->hit_ext = sbi->read_hit_ext;
si->total_ext = sbi->total_hit_ext;
+ si->ext_tree = sbi->total_ext_tree;
+ si->ext_node = atomic_read(&sbi->total_ext_node);
si->ndirty_node = get_pages(sbi, F2FS_DIRTY_NODES);
si->ndirty_dent = get_pages(sbi, F2FS_DIRTY_DENTS);
si->ndirty_dirs = sbi->n_dirty_dirs;
@@ -185,6 +187,9 @@
si->cache_mem += sbi->n_dirty_dirs * sizeof(struct inode_entry);
for (i = 0; i <= UPDATE_INO; i++)
si->cache_mem += sbi->im[i].ino_num * sizeof(struct ino_entry);
+ si->cache_mem += sbi->total_ext_tree * sizeof(struct extent_tree);
+ si->cache_mem += atomic_read(&sbi->total_ext_node) *
+ sizeof(struct extent_node);
si->page_mem = 0;
npages = NODE_MAPPING(sbi)->nrpages;
@@ -267,6 +272,8 @@
seq_printf(s, " - node blocks : %d\n", si->node_blks);
seq_printf(s, "\nExtent Hit Ratio: %d / %d\n",
si->hit_ext, si->total_ext);
+ seq_printf(s, "\nExtent Tree Count: %d\n", si->ext_tree);
+ seq_printf(s, "\nExtent Node Count: %d\n", si->ext_node);
seq_puts(s, "\nBalancing F2FS Async:\n");
seq_printf(s, " - inmem: %4d, wb: %4d\n",
si->inmem_pages, si->wb_pages);