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f2fs: show extent tree, node stat info in debugfs

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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>
This commit is contained in:
Chao Yu
2015-02-05 17:58:28 +08:00
committed by Jaegeuk Kim
parent 1dcc336b02
commit 4bf6fd9fed
2 changed files with 8 additions and 1 deletions
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7
fs/f2fs/debug.c
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@@ -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);