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| author | Chao Yu <chao2.yu@samsung.com> | 2015-08-19 14:12:20 +0300 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2015-08-22 08:45:15 +0300 |
| commit | 91c481fff92c705dd382f1f53c01e6b6b88507d0 (patch) | |
| tree | 5a4192bcf89ce525bd9992cf879c16f886acf035 /fs/f2fs/f2fs.h | |
| parent | e2b4e2bc8865e03eecd49caa9713a2402a96bba9 (diff) | |
| download | linux-91c481fff92c705dd382f1f53c01e6b6b88507d0.tar.xz | |
f2fs: add largest/cached stat in extent cache
This patch adds to stat the hit count of largest/cached node for showing
in debugfs.
Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/f2fs.h')
| -rw-r--r-- | fs/f2fs/f2fs.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 51dfa8fcc505..de20387ae225 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -789,6 +789,8 @@ struct f2fs_sb_info { atomic_t inplace_count; /* # of inplace update */ atomic_t total_hit_ext; /* # of lookup extent cache */ atomic_t read_hit_ext; /* # of hit extent cache */ + atomic_t read_hit_largest; /* # of hit largest extent node */ + atomic_t read_hit_cached; /* # of hit cached extent node */ atomic_t inline_xattr; /* # of inline_xattr inodes */ atomic_t inline_inode; /* # of inline_data inodes */ atomic_t inline_dir; /* # of inline_dentry inodes */ @@ -1824,7 +1826,7 @@ 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, ext_tree, ext_node; + int hit_largest, hit_cached, 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; @@ -1862,6 +1864,8 @@ static inline struct f2fs_stat_info *F2FS_STAT(struct f2fs_sb_info *sbi) #define stat_dec_dirty_dir(sbi) ((sbi)->n_dirty_dirs--) #define stat_inc_total_hit(sbi) (atomic_inc(&(sbi)->total_hit_ext)) #define stat_inc_read_hit(sbi) (atomic_inc(&(sbi)->read_hit_ext)) +#define stat_inc_largest_node_hit(sbi) (atomic_inc(&(sbi)->read_hit_largest)) +#define stat_inc_cached_node_hit(sbi) (atomic_inc(&(sbi)->read_hit_cached)) #define stat_inc_inline_xattr(inode) \ do { \ if (f2fs_has_inline_xattr(inode)) \ @@ -1942,6 +1946,8 @@ void f2fs_destroy_root_stats(void); #define stat_dec_dirty_dir(sbi) #define stat_inc_total_hit(sb) #define stat_inc_read_hit(sb) +#define stat_inc_largest_node_hit(sbi) +#define stat_inc_cached_node_hit(sbi) #define stat_inc_inline_xattr(inode) #define stat_dec_inline_xattr(inode) #define stat_inc_inline_inode(inode) |