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Diffstat (limited to 'fs/f2fs/debug.c')
-rw-r--r--fs/f2fs/debug.c124
1 files changed, 115 insertions, 9 deletions
diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c
index fdbf994f1271..468828288a4a 100644
--- a/fs/f2fs/debug.c
+++ b/fs/f2fs/debug.c
@@ -41,7 +41,7 @@ void f2fs_update_sit_info(struct f2fs_sb_info *sbi)
total_vblocks = 0;
blks_per_sec = CAP_BLKS_PER_SEC(sbi);
hblks_per_sec = blks_per_sec / 2;
- for (segno = 0; segno < MAIN_SEGS(sbi); segno += sbi->segs_per_sec) {
+ for (segno = 0; segno < MAIN_SEGS(sbi); segno += SEGS_PER_SEC(sbi)) {
vblocks = get_valid_blocks(sbi, segno, true);
dist = abs(vblocks - hblks_per_sec);
bimodal += dist * dist;
@@ -60,6 +60,70 @@ void f2fs_update_sit_info(struct f2fs_sb_info *sbi)
}
#ifdef CONFIG_DEBUG_FS
+static void update_multidevice_stats(struct f2fs_sb_info *sbi)
+{
+ struct f2fs_stat_info *si = F2FS_STAT(sbi);
+ struct f2fs_dev_stats *dev_stats = si->dev_stats;
+ int i, j;
+
+ if (!f2fs_is_multi_device(sbi))
+ return;
+
+ memset(dev_stats, 0, sizeof(struct f2fs_dev_stats) * sbi->s_ndevs);
+ for (i = 0; i < sbi->s_ndevs; i++) {
+ unsigned int start_segno, end_segno;
+ block_t start_blk, end_blk;
+
+ if (i == 0) {
+ start_blk = MAIN_BLKADDR(sbi);
+ end_blk = FDEV(i).end_blk + 1 - SEG0_BLKADDR(sbi);
+ } else {
+ start_blk = FDEV(i).start_blk;
+ end_blk = FDEV(i).end_blk + 1;
+ }
+
+ start_segno = GET_SEGNO(sbi, start_blk);
+ end_segno = GET_SEGNO(sbi, end_blk);
+
+ for (j = start_segno; j < end_segno; j++) {
+ unsigned int seg_blks, sec_blks;
+
+ seg_blks = get_seg_entry(sbi, j)->valid_blocks;
+
+ /* update segment stats */
+ if (IS_CURSEG(sbi, j))
+ dev_stats[i].devstats[0][DEVSTAT_INUSE]++;
+ else if (seg_blks == BLKS_PER_SEG(sbi))
+ dev_stats[i].devstats[0][DEVSTAT_FULL]++;
+ else if (seg_blks != 0)
+ dev_stats[i].devstats[0][DEVSTAT_DIRTY]++;
+ else if (!test_bit(j, FREE_I(sbi)->free_segmap))
+ dev_stats[i].devstats[0][DEVSTAT_FREE]++;
+ else
+ dev_stats[i].devstats[0][DEVSTAT_PREFREE]++;
+
+ if (!__is_large_section(sbi) ||
+ (j % SEGS_PER_SEC(sbi)) != 0)
+ continue;
+
+ sec_blks = get_sec_entry(sbi, j)->valid_blocks;
+
+ /* update section stats */
+ if (IS_CURSEC(sbi, GET_SEC_FROM_SEG(sbi, j)))
+ dev_stats[i].devstats[1][DEVSTAT_INUSE]++;
+ else if (sec_blks == BLKS_PER_SEC(sbi))
+ dev_stats[i].devstats[1][DEVSTAT_FULL]++;
+ else if (sec_blks != 0)
+ dev_stats[i].devstats[1][DEVSTAT_DIRTY]++;
+ else if (!test_bit(GET_SEC_FROM_SEG(sbi, j),
+ FREE_I(sbi)->free_secmap))
+ dev_stats[i].devstats[1][DEVSTAT_FREE]++;
+ else
+ dev_stats[i].devstats[1][DEVSTAT_PREFREE]++;
+ }
+ }
+}
+
static void update_general_status(struct f2fs_sb_info *sbi)
{
struct f2fs_stat_info *si = F2FS_STAT(sbi);
@@ -135,7 +199,7 @@ static void update_general_status(struct f2fs_sb_info *sbi)
si->cur_ckpt_time = sbi->cprc_info.cur_time;
si->peak_ckpt_time = sbi->cprc_info.peak_time;
spin_unlock(&sbi->cprc_info.stat_lock);
- si->total_count = (int)sbi->user_block_count / sbi->blocks_per_seg;
+ si->total_count = BLKS_TO_SEGS(sbi, (int)sbi->user_block_count);
si->rsvd_segs = reserved_segments(sbi);
si->overp_segs = overprovision_segments(sbi);
si->valid_count = valid_user_blocks(sbi);
@@ -176,11 +240,10 @@ static void update_general_status(struct f2fs_sb_info *sbi)
si->alloc_nids = NM_I(sbi)->nid_cnt[PREALLOC_NID];
si->io_skip_bggc = sbi->io_skip_bggc;
si->other_skip_bggc = sbi->other_skip_bggc;
- si->util_free = (int)(free_user_blocks(sbi) >> sbi->log_blocks_per_seg)
+ si->util_free = (int)(BLKS_TO_SEGS(sbi, free_user_blocks(sbi)))
* 100 / (int)(sbi->user_block_count >> sbi->log_blocks_per_seg)
/ 2;
- si->util_valid = (int)(written_block_count(sbi) >>
- sbi->log_blocks_per_seg)
+ si->util_valid = (int)(BLKS_TO_SEGS(sbi, written_block_count(sbi)))
* 100 / (int)(sbi->user_block_count >> sbi->log_blocks_per_seg)
/ 2;
si->util_invalid = 50 - si->util_free - si->util_valid;
@@ -208,13 +271,15 @@ static void update_general_status(struct f2fs_sb_info *sbi)
if (!blks)
continue;
- if (blks == sbi->blocks_per_seg)
+ if (blks == BLKS_PER_SEG(sbi))
si->full_seg[type]++;
else
si->dirty_seg[type]++;
si->valid_blks[type] += blks;
}
+ update_multidevice_stats(sbi);
+
for (i = 0; i < MAX_CALL_TYPE; i++)
si->cp_call_count[i] = atomic_read(&sbi->cp_call_count[i]);
@@ -276,7 +341,7 @@ static void update_mem_info(struct f2fs_sb_info *sbi)
/* build nm */
si->base_mem += sizeof(struct f2fs_nm_info);
si->base_mem += __bitmap_size(sbi, NAT_BITMAP);
- si->base_mem += (NM_I(sbi)->nat_bits_blocks << F2FS_BLKSIZE_BITS);
+ si->base_mem += F2FS_BLK_TO_BYTES(NM_I(sbi)->nat_bits_blocks);
si->base_mem += NM_I(sbi)->nat_blocks *
f2fs_bitmap_size(NAT_ENTRY_PER_BLOCK);
si->base_mem += NM_I(sbi)->nat_blocks / 8;
@@ -499,6 +564,36 @@ static int stat_show(struct seq_file *s, void *v)
si->dirty_count);
seq_printf(s, " - Prefree: %d\n - Free: %d (%d)\n\n",
si->prefree_count, si->free_segs, si->free_secs);
+ if (f2fs_is_multi_device(sbi)) {
+ seq_puts(s, "Multidevice stats:\n");
+ seq_printf(s, " [seg: %8s %8s %8s %8s %8s]",
+ "inuse", "dirty", "full", "free", "prefree");
+ if (__is_large_section(sbi))
+ seq_printf(s, " [sec: %8s %8s %8s %8s %8s]\n",
+ "inuse", "dirty", "full", "free", "prefree");
+ else
+ seq_puts(s, "\n");
+
+ for (i = 0; i < sbi->s_ndevs; i++) {
+ seq_printf(s, " #%-2d %8u %8u %8u %8u %8u", i,
+ si->dev_stats[i].devstats[0][DEVSTAT_INUSE],
+ si->dev_stats[i].devstats[0][DEVSTAT_DIRTY],
+ si->dev_stats[i].devstats[0][DEVSTAT_FULL],
+ si->dev_stats[i].devstats[0][DEVSTAT_FREE],
+ si->dev_stats[i].devstats[0][DEVSTAT_PREFREE]);
+ if (!__is_large_section(sbi)) {
+ seq_puts(s, "\n");
+ continue;
+ }
+ seq_printf(s, " %8u %8u %8u %8u %8u\n",
+ si->dev_stats[i].devstats[1][DEVSTAT_INUSE],
+ si->dev_stats[i].devstats[1][DEVSTAT_DIRTY],
+ si->dev_stats[i].devstats[1][DEVSTAT_FULL],
+ si->dev_stats[i].devstats[1][DEVSTAT_FREE],
+ si->dev_stats[i].devstats[1][DEVSTAT_PREFREE]);
+ }
+ seq_puts(s, "\n");
+ }
seq_printf(s, "CP calls: %d (BG: %d)\n",
si->cp_call_count[TOTAL_CALL],
si->cp_call_count[BACKGROUND]);
@@ -599,9 +694,9 @@ static int stat_show(struct seq_file *s, void *v)
si->ndirty_node, si->node_pages);
seq_printf(s, " - dents: %4d in dirs:%4d (%4d)\n",
si->ndirty_dent, si->ndirty_dirs, si->ndirty_all);
- seq_printf(s, " - datas: %4d in files:%4d\n",
+ seq_printf(s, " - data: %4d in files:%4d\n",
si->ndirty_data, si->ndirty_files);
- seq_printf(s, " - quota datas: %4d in quota files:%4d\n",
+ seq_printf(s, " - quota data: %4d in quota files:%4d\n",
si->ndirty_qdata, si->nquota_files);
seq_printf(s, " - meta: %4d in %4d\n",
si->ndirty_meta, si->meta_pages);
@@ -666,6 +761,7 @@ int f2fs_build_stats(struct f2fs_sb_info *sbi)
{
struct f2fs_super_block *raw_super = F2FS_RAW_SUPER(sbi);
struct f2fs_stat_info *si;
+ struct f2fs_dev_stats *dev_stats;
unsigned long flags;
int i;
@@ -673,6 +769,15 @@ int f2fs_build_stats(struct f2fs_sb_info *sbi)
if (!si)
return -ENOMEM;
+ dev_stats = f2fs_kzalloc(sbi, sizeof(struct f2fs_dev_stats) *
+ sbi->s_ndevs, GFP_KERNEL);
+ if (!dev_stats) {
+ kfree(si);
+ return -ENOMEM;
+ }
+
+ si->dev_stats = dev_stats;
+
si->all_area_segs = le32_to_cpu(raw_super->segment_count);
si->sit_area_segs = le32_to_cpu(raw_super->segment_count_sit);
si->nat_area_segs = le32_to_cpu(raw_super->segment_count_nat);
@@ -725,6 +830,7 @@ void f2fs_destroy_stats(struct f2fs_sb_info *sbi)
list_del(&si->stat_list);
raw_spin_unlock_irqrestore(&f2fs_stat_lock, flags);
+ kfree(si->dev_stats);
kfree(si);
}
generated by cgit (git 2.34.1) at 2025-07-25 17:41:41 +0000