diff options
Diffstat (limited to 'fs/f2fs/debug.c')
| -rw-r--r-- | fs/f2fs/debug.c | 88 | 
1 files changed, 50 insertions, 38 deletions
diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c index 9b0bedd82581..6b89eae5e4ca 100644 --- a/fs/f2fs/debug.c +++ b/fs/f2fs/debug.c @@ -21,9 +21,45 @@  #include "gc.h"  static LIST_HEAD(f2fs_stat_list); -static struct dentry *f2fs_debugfs_root;  static DEFINE_MUTEX(f2fs_stat_mutex); +#ifdef CONFIG_DEBUG_FS +static struct dentry *f2fs_debugfs_root; +#endif + +/* + * This function calculates BDF of every segments + */ +void f2fs_update_sit_info(struct f2fs_sb_info *sbi) +{ +	struct f2fs_stat_info *si = F2FS_STAT(sbi); +	unsigned long long blks_per_sec, hblks_per_sec, total_vblocks; +	unsigned long long bimodal, dist; +	unsigned int segno, vblocks; +	int ndirty = 0; + +	bimodal = 0; +	total_vblocks = 0; +	blks_per_sec = BLKS_PER_SEC(sbi); +	hblks_per_sec = blks_per_sec / 2; +	for (segno = 0; segno < MAIN_SEGS(sbi); segno += sbi->segs_per_sec) { +		vblocks = get_valid_blocks(sbi, segno, true); +		dist = abs(vblocks - hblks_per_sec); +		bimodal += dist * dist; + +		if (vblocks > 0 && vblocks < blks_per_sec) { +			total_vblocks += vblocks; +			ndirty++; +		} +	} +	dist = div_u64(MAIN_SECS(sbi) * hblks_per_sec * hblks_per_sec, 100); +	si->bimodal = div64_u64(bimodal, dist); +	if (si->dirty_count) +		si->avg_vblocks = div_u64(total_vblocks, ndirty); +	else +		si->avg_vblocks = 0; +} +#ifdef CONFIG_DEBUG_FS  static void update_general_status(struct f2fs_sb_info *sbi)  {  	struct f2fs_stat_info *si = F2FS_STAT(sbi); @@ -56,7 +92,7 @@ static void update_general_status(struct f2fs_sb_info *sbi)  	si->nquota_files = sbi->nquota_files;  	si->ndirty_all = sbi->ndirty_inode[DIRTY_META];  	si->inmem_pages = get_pages(sbi, F2FS_INMEM_PAGES); -	si->aw_cnt = atomic_read(&sbi->aw_cnt); +	si->aw_cnt = sbi->atomic_files;  	si->vw_cnt = atomic_read(&sbi->vw_cnt);  	si->max_aw_cnt = atomic_read(&sbi->max_aw_cnt);  	si->max_vw_cnt = atomic_read(&sbi->max_vw_cnt); @@ -94,6 +130,8 @@ static void update_general_status(struct f2fs_sb_info *sbi)  	si->inline_xattr = atomic_read(&sbi->inline_xattr);  	si->inline_inode = atomic_read(&sbi->inline_inode);  	si->inline_dir = atomic_read(&sbi->inline_dir); +	si->compr_inode = atomic_read(&sbi->compr_inode); +	si->compr_blocks = atomic_read(&sbi->compr_blocks);  	si->append = sbi->im[APPEND_INO].ino_num;  	si->update = sbi->im[UPDATE_INO].ino_num;  	si->orphans = sbi->im[ORPHAN_INO].ino_num; @@ -114,7 +152,6 @@ static void update_general_status(struct f2fs_sb_info *sbi)  	si->free_nids = NM_I(sbi)->nid_cnt[FREE_NID];  	si->avail_nids = NM_I(sbi)->available_nids;  	si->alloc_nids = NM_I(sbi)->nid_cnt[PREALLOC_NID]; -	si->bg_gc = sbi->bg_gc;  	si->io_skip_bggc = sbi->io_skip_bggc;  	si->other_skip_bggc = sbi->other_skip_bggc;  	si->skipped_atomic_files[BG_GC] = sbi->skipped_atomic_files[BG_GC]; @@ -146,39 +183,6 @@ static void update_general_status(struct f2fs_sb_info *sbi)  }  /* - * This function calculates BDF of every segments - */ -static void update_sit_info(struct f2fs_sb_info *sbi) -{ -	struct f2fs_stat_info *si = F2FS_STAT(sbi); -	unsigned long long blks_per_sec, hblks_per_sec, total_vblocks; -	unsigned long long bimodal, dist; -	unsigned int segno, vblocks; -	int ndirty = 0; - -	bimodal = 0; -	total_vblocks = 0; -	blks_per_sec = BLKS_PER_SEC(sbi); -	hblks_per_sec = blks_per_sec / 2; -	for (segno = 0; segno < MAIN_SEGS(sbi); segno += sbi->segs_per_sec) { -		vblocks = get_valid_blocks(sbi, segno, true); -		dist = abs(vblocks - hblks_per_sec); -		bimodal += dist * dist; - -		if (vblocks > 0 && vblocks < blks_per_sec) { -			total_vblocks += vblocks; -			ndirty++; -		} -	} -	dist = div_u64(MAIN_SECS(sbi) * hblks_per_sec * hblks_per_sec, 100); -	si->bimodal = div64_u64(bimodal, dist); -	if (si->dirty_count) -		si->avg_vblocks = div_u64(total_vblocks, ndirty); -	else -		si->avg_vblocks = 0; -} - -/*   * This function calculates memory footprint.   */  static void update_mem_info(struct f2fs_sb_info *sbi) @@ -315,6 +319,8 @@ static int stat_show(struct seq_file *s, void *v)  			   si->inline_inode);  		seq_printf(s, "  - Inline_dentry Inode: %u\n",  			   si->inline_dir); +		seq_printf(s, "  - Compressed Inode: %u, Blocks: %u\n", +			   si->compr_inode, si->compr_blocks);  		seq_printf(s, "  - Orphan/Append/Update Inode: %u, %u, %u\n",  			   si->orphans, si->append, si->update);  		seq_printf(s, "\nMain area: %d segs, %d secs %d zones\n", @@ -441,7 +447,7 @@ static int stat_show(struct seq_file *s, void *v)  			   si->block_count[LFS], si->segment_count[LFS]);  		/* segment usage info */ -		update_sit_info(si->sbi); +		f2fs_update_sit_info(si->sbi);  		seq_printf(s, "\nBDF: %u, avg. vblocks: %u\n",  			   si->bimodal, si->avg_vblocks); @@ -461,6 +467,7 @@ static int stat_show(struct seq_file *s, void *v)  }  DEFINE_SHOW_ATTRIBUTE(stat); +#endif  int f2fs_build_stats(struct f2fs_sb_info *sbi)  { @@ -491,11 +498,12 @@ int f2fs_build_stats(struct f2fs_sb_info *sbi)  	atomic_set(&sbi->inline_xattr, 0);  	atomic_set(&sbi->inline_inode, 0);  	atomic_set(&sbi->inline_dir, 0); +	atomic_set(&sbi->compr_inode, 0); +	atomic_set(&sbi->compr_blocks, 0);  	atomic_set(&sbi->inplace_count, 0);  	for (i = META_CP; i < META_MAX; i++)  		atomic_set(&sbi->meta_count[i], 0); -	atomic_set(&sbi->aw_cnt, 0);  	atomic_set(&sbi->vw_cnt, 0);  	atomic_set(&sbi->max_aw_cnt, 0);  	atomic_set(&sbi->max_vw_cnt, 0); @@ -520,14 +528,18 @@ void f2fs_destroy_stats(struct f2fs_sb_info *sbi)  void __init f2fs_create_root_stats(void)  { +#ifdef CONFIG_DEBUG_FS  	f2fs_debugfs_root = debugfs_create_dir("f2fs", NULL);  	debugfs_create_file("status", S_IRUGO, f2fs_debugfs_root, NULL,  			    &stat_fops); +#endif  }  void f2fs_destroy_root_stats(void)  { +#ifdef CONFIG_DEBUG_FS  	debugfs_remove_recursive(f2fs_debugfs_root);  	f2fs_debugfs_root = NULL; +#endif  }  |