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 } |