diff options
| -rw-r--r-- | fs/f2fs/debug.c | 18 | ||||
| -rw-r--r-- | fs/f2fs/extent_cache.c | 10 | ||||
| -rw-r--r-- | fs/f2fs/f2fs.h | 9 |
3 files changed, 22 insertions, 15 deletions
diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c index 1a1a4c67a9bf..d013d8479753 100644 --- a/fs/f2fs/debug.c +++ b/fs/f2fs/debug.c @@ -35,7 +35,8 @@ static void update_general_status(struct f2fs_sb_info *sbi) /* validation check of the segment numbers */ si->hit_largest = atomic_read(&sbi->read_hit_largest); si->hit_cached = atomic_read(&sbi->read_hit_cached); - si->hit_ext = atomic_read(&sbi->read_hit_ext); + si->hit_rbtree = atomic_read(&sbi->read_hit_rbtree); + si->hit_total = si->hit_largest + si->hit_cached + si->hit_rbtree; si->total_ext = atomic_read(&sbi->total_hit_ext); si->ext_tree = sbi->total_ext_tree; si->ext_node = atomic_read(&sbi->total_ext_node); @@ -281,11 +282,16 @@ static int stat_show(struct seq_file *s, void *v) si->bg_data_blks); seq_printf(s, " - node blocks : %d (%d)\n", si->node_blks, si->bg_node_blks); - seq_printf(s, "\nExtent Hit Ratio: L1-1:%d L1-2:%d L2:%d / %d\n", + seq_puts(s, "\nExtent Cache:\n"); + seq_printf(s, " - Hit Count: L1-1:%d L1-2:%d L2:%d\n", si->hit_largest, si->hit_cached, - 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); + si->hit_rbtree); + seq_printf(s, " - Hit Ratio: %d%% (%d / %d)\n", + !si->total_ext ? 0 : + (si->hit_total * 100) / si->total_ext, + si->hit_total, si->total_ext); + seq_printf(s, " - Inner Struct Count: tree: %d, node: %d\n", + si->ext_tree, si->ext_node); seq_puts(s, "\nBalancing F2FS Async:\n"); seq_printf(s, " - inmem: %4d, wb: %4d\n", si->inmem_pages, si->wb_pages); @@ -373,7 +379,7 @@ int f2fs_build_stats(struct f2fs_sb_info *sbi) sbi->stat_info = si; atomic_set(&sbi->total_hit_ext, 0); - atomic_set(&sbi->read_hit_ext, 0); + atomic_set(&sbi->read_hit_rbtree, 0); atomic_set(&sbi->read_hit_largest, 0); atomic_set(&sbi->read_hit_cached, 0); diff --git a/fs/f2fs/extent_cache.c b/fs/f2fs/extent_cache.c index 5cf217faed1f..d11735aa3cac 100644 --- a/fs/f2fs/extent_cache.c +++ b/fs/f2fs/extent_cache.c @@ -99,12 +99,14 @@ static struct extent_node *__lookup_extent_tree(struct f2fs_sb_info *sbi, while (node) { en = rb_entry(node, struct extent_node, rb_node); - if (fofs < en->ei.fofs) + if (fofs < en->ei.fofs) { node = node->rb_left; - else if (fofs >= en->ei.fofs + en->ei.len) + } else if (fofs >= en->ei.fofs + en->ei.len) { node = node->rb_right; - else + } else { + stat_inc_rbtree_node_hit(sbi); return en; + } } return NULL; } @@ -281,7 +283,6 @@ static bool f2fs_lookup_extent_tree(struct inode *inode, pgoff_t pgofs, et->largest.fofs + et->largest.len > pgofs) { *ei = et->largest; ret = true; - stat_inc_read_hit(sbi); stat_inc_largest_node_hit(sbi); goto out; } @@ -295,7 +296,6 @@ static bool f2fs_lookup_extent_tree(struct inode *inode, pgoff_t pgofs, et->cached_en = en; spin_unlock(&sbi->extent_lock); ret = true; - stat_inc_read_hit(sbi); } out: stat_inc_total_hit(sbi); diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index de20387ae225..66410178aba1 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -788,7 +788,7 @@ struct f2fs_sb_info { unsigned int block_count[2]; /* # of allocated blocks */ 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_rbtree; /* # of hit rbtree extent node */ 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 */ @@ -1826,7 +1826,8 @@ 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_largest, hit_cached, hit_ext, total_ext, ext_tree, ext_node; + int hit_largest, hit_cached, hit_rbtree, hit_total, total_ext; + int 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; @@ -1863,7 +1864,7 @@ static inline struct f2fs_stat_info *F2FS_STAT(struct f2fs_sb_info *sbi) #define stat_inc_dirty_dir(sbi) ((sbi)->n_dirty_dirs++) #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_rbtree_node_hit(sbi) (atomic_inc(&(sbi)->read_hit_rbtree)) #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) \ @@ -1945,7 +1946,7 @@ void f2fs_destroy_root_stats(void); #define stat_inc_dirty_dir(sbi) #define stat_dec_dirty_dir(sbi) #define stat_inc_total_hit(sb) -#define stat_inc_read_hit(sb) +#define stat_inc_rbtree_node_hit(sb) #define stat_inc_largest_node_hit(sbi) #define stat_inc_cached_node_hit(sbi) #define stat_inc_inline_xattr(inode) |