diff options
| author |   Chao Yu <chao2.yu@samsung.com> | 2015-02-05 17:58:28 +0800 |
|---|---|---|
| committer |   Jaegeuk Kim <jaegeuk@kernel.org> | 2015-03-03 09:58:47 -0800 |
| commit | 4bf6fd9fedf14a8bab75f3710cd63e7bc8928014 (patch) | |
| tree | b2ede91a84a76051596984a33f647bede3b58800 /fs | |
| parent | f2fs: enable rb-tree extent cache (diff) | |
| download | linux-dev-4bf6fd9fedf14a8bab75f3710cd63e7bc8928014.tar.xz linux-dev-4bf6fd9fedf14a8bab75f3710cd63e7bc8928014.zip | |
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')
| -rw-r--r-- | fs/f2fs/debug.c | 7 | ||||
| -rw-r--r-- | fs/f2fs/f2fs.h | 2 |
2 files changed, 8 insertions, 1 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); diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 759fbaaa6ca1..85ce9b30b539 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -1607,7 +1607,7 @@ struct f2fs_stat_info { struct f2fs_sb_info *sbi; int all_area_segs, sit_area_segs, nat_area_segs, ssa_area_segs; int main_area_segs, main_area_sections, main_area_zones; - int hit_ext, total_ext; + int hit_ext, total_ext, ext_tree, ext_node; int ndirty_node, ndirty_dent, ndirty_dirs, ndirty_meta; int nats, dirty_nats, sits, dirty_sits, fnids; int total_count, utilization; |