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authorChao Yu <chao2.yu@samsung.com>2015-02-05 17:58:28 +0800
committerJaegeuk Kim <jaegeuk@kernel.org>2015-03-03 09:58:47 -0800
commit4bf6fd9fedf14a8bab75f3710cd63e7bc8928014 (patch)
treeb2ede91a84a76051596984a33f647bede3b58800 /fs/f2fs/debug.c
parent1dcc336b02bff3d38f173feac55a2b6c25a5fb54 (diff)
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>
Diffstat (limited to 'fs/f2fs/debug.c')
-rw-r--r--fs/f2fs/debug.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c
index e671373cc8ab..1006290ed6b8 100644
--- a/fs/f2fs/debug.c
+++ b/fs/f2fs/debug.c
@@ -35,6 +35,8 @@ static void update_general_status(struct f2fs_sb_info *sbi)
/* 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 @@ get_cache:
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 @@ static int stat_show(struct seq_file *s, void *v)
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);