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Diffstat (limited to 'fs/f2fs/debug.c')
-rw-r--r--fs/f2fs/debug.c239
1 files changed, 192 insertions, 47 deletions
diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c
index 8e53d80c181a..629c57024106 100644
--- a/fs/f2fs/debug.c
+++ b/fs/f2fs/debug.c
@@ -33,19 +33,57 @@ static void update_general_status(struct f2fs_sb_info *sbi)
int i;
/* validation check of the segment numbers */
- si->hit_ext = sbi->read_hit_ext;
- si->total_ext = sbi->total_hit_ext;
+ si->hit_largest = atomic64_read(&sbi->read_hit_largest);
+ si->hit_cached = atomic64_read(&sbi->read_hit_cached);
+ si->hit_rbtree = atomic64_read(&sbi->read_hit_rbtree);
+ si->hit_total = si->hit_largest + si->hit_cached + si->hit_rbtree;
+ si->total_ext = atomic64_read(&sbi->total_hit_ext);
+ si->ext_tree = atomic_read(&sbi->total_ext_tree);
+ si->zombie_tree = atomic_read(&sbi->total_zombie_tree);
+ si->ext_node = atomic_read(&sbi->total_ext_node);
si->ndirty_node = get_pages(sbi, F2FS_DIRTY_NODES);
si->ndirty_dent = get_pages(sbi, F2FS_DIRTY_DENTS);
- si->ndirty_dirs = sbi->n_dirty_dirs;
si->ndirty_meta = get_pages(sbi, F2FS_DIRTY_META);
+ si->ndirty_data = get_pages(sbi, F2FS_DIRTY_DATA);
+ si->ndirty_imeta = get_pages(sbi, F2FS_DIRTY_IMETA);
+ si->ndirty_dirs = sbi->ndirty_inode[DIR_INODE];
+ si->ndirty_files = sbi->ndirty_inode[FILE_INODE];
+ 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->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);
+ si->nr_wb_cp_data = get_pages(sbi, F2FS_WB_CP_DATA);
+ si->nr_wb_data = get_pages(sbi, F2FS_WB_DATA);
+ if (SM_I(sbi) && SM_I(sbi)->fcc_info) {
+ si->nr_flushed =
+ atomic_read(&SM_I(sbi)->fcc_info->issued_flush);
+ si->nr_flushing =
+ atomic_read(&SM_I(sbi)->fcc_info->issing_flush);
+ }
+ if (SM_I(sbi) && SM_I(sbi)->dcc_info) {
+ si->nr_discarded =
+ atomic_read(&SM_I(sbi)->dcc_info->issued_discard);
+ si->nr_discarding =
+ atomic_read(&SM_I(sbi)->dcc_info->issing_discard);
+ si->nr_discard_cmd =
+ atomic_read(&SM_I(sbi)->dcc_info->discard_cmd_cnt);
+ si->undiscard_blks = SM_I(sbi)->dcc_info->undiscard_blks;
+ }
si->total_count = (int)sbi->user_block_count / sbi->blocks_per_seg;
si->rsvd_segs = reserved_segments(sbi);
si->overp_segs = overprovision_segments(sbi);
si->valid_count = valid_user_blocks(sbi);
+ si->discard_blks = discard_blocks(sbi);
si->valid_node_count = valid_node_count(sbi);
si->valid_inode_count = valid_inode_count(sbi);
- si->inline_inode = sbi->inline_inode;
+ 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->append = sbi->im[APPEND_INO].ino_num;
+ si->update = sbi->im[UPDATE_INO].ino_num;
+ si->orphans = sbi->im[ORPHAN_INO].ino_num;
si->utilization = utilization(sbi);
si->free_segs = free_segments(sbi);
@@ -55,8 +93,12 @@ static void update_general_status(struct f2fs_sb_info *sbi)
si->node_pages = NODE_MAPPING(sbi)->nrpages;
si->meta_pages = META_MAPPING(sbi)->nrpages;
si->nats = NM_I(sbi)->nat_cnt;
- si->sits = SIT_I(sbi)->dirty_sentries;
- si->fnids = NM_I(sbi)->fcnt;
+ si->dirty_nats = NM_I(sbi)->dirty_nat_cnt;
+ si->sits = MAIN_SEGS(sbi);
+ si->dirty_sits = SIT_I(sbi)->dirty_sentries;
+ si->free_nids = NM_I(sbi)->nid_cnt[FREE_NID_LIST];
+ si->avail_nids = NM_I(sbi)->available_nids;
+ si->alloc_nids = NM_I(sbi)->nid_cnt[ALLOC_NID_LIST];
si->bg_gc = sbi->bg_gc;
si->util_free = (int)(free_user_blocks(sbi) >> sbi->log_blocks_per_seg)
* 100 / (int)(sbi->user_block_count >> sbi->log_blocks_per_seg)
@@ -69,14 +111,16 @@ static void update_general_status(struct f2fs_sb_info *sbi)
for (i = CURSEG_HOT_DATA; i <= CURSEG_COLD_NODE; i++) {
struct curseg_info *curseg = CURSEG_I(sbi, i);
si->curseg[i] = curseg->segno;
- si->cursec[i] = curseg->segno / sbi->segs_per_sec;
- si->curzone[i] = si->cursec[i] / sbi->secs_per_zone;
+ si->cursec[i] = GET_SEC_FROM_SEG(sbi, curseg->segno);
+ si->curzone[i] = GET_ZONE_FROM_SEC(sbi, si->cursec[i]);
}
for (i = 0; i < 2; i++) {
si->segment_count[i] = sbi->segment_count[i];
si->block_count[i] = sbi->block_count[i];
}
+
+ si->inplace_count = atomic_read(&sbi->inplace_count);
}
/*
@@ -85,16 +129,17 @@ static void update_general_status(struct f2fs_sb_info *sbi)
static void update_sit_info(struct f2fs_sb_info *sbi)
{
struct f2fs_stat_info *si = F2FS_STAT(sbi);
- unsigned int blks_per_sec, hblks_per_sec, total_vblocks, bimodal, dist;
+ 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 = sbi->segs_per_sec * (1 << sbi->log_blocks_per_seg);
+ 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, sbi->segs_per_sec);
+ vblocks = get_valid_blocks(sbi, segno, true);
dist = abs(vblocks - hblks_per_sec);
bimodal += dist * dist;
@@ -103,10 +148,10 @@ static void update_sit_info(struct f2fs_sb_info *sbi)
ndirty++;
}
}
- dist = MAIN_SECS(sbi) * hblks_per_sec * hblks_per_sec / 100;
- si->bimodal = bimodal / dist;
+ 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 = total_vblocks / ndirty;
+ si->avg_vblocks = div_u64(total_vblocks, ndirty);
else
si->avg_vblocks = 0;
}
@@ -118,13 +163,19 @@ static void update_mem_info(struct f2fs_sb_info *sbi)
{
struct f2fs_stat_info *si = F2FS_STAT(sbi);
unsigned npages;
+ int i;
if (si->base_mem)
goto get_cache;
- si->base_mem = sizeof(struct f2fs_sb_info) + sbi->sb->s_blocksize;
+ /* build stat */
+ si->base_mem = sizeof(struct f2fs_stat_info);
+
+ /* build superblock */
+ si->base_mem += sizeof(struct f2fs_sb_info) + sbi->sb->s_blocksize;
si->base_mem += 2 * sizeof(struct f2fs_inode_info);
si->base_mem += sizeof(*sbi->ckpt);
+ si->base_mem += sizeof(struct percpu_counter) * NR_COUNT_TYPE;
/* build sm */
si->base_mem += sizeof(struct f2fs_sm_info);
@@ -134,6 +185,9 @@ static void update_mem_info(struct f2fs_sb_info *sbi)
si->base_mem += MAIN_SEGS(sbi) * sizeof(struct seg_entry);
si->base_mem += f2fs_bitmap_size(MAIN_SEGS(sbi));
si->base_mem += 2 * SIT_VBLOCK_MAP_SIZE * MAIN_SEGS(sbi);
+ if (f2fs_discard_en(sbi))
+ si->base_mem += SIT_VBLOCK_MAP_SIZE * MAIN_SEGS(sbi);
+ si->base_mem += SIT_VBLOCK_MAP_SIZE;
if (sbi->segs_per_sec > 1)
si->base_mem += MAIN_SECS(sbi) * sizeof(struct sec_entry);
si->base_mem += __bitmap_size(sbi, SIT_BITMAP);
@@ -145,7 +199,7 @@ static void update_mem_info(struct f2fs_sb_info *sbi)
/* build curseg */
si->base_mem += sizeof(struct curseg_info) * NR_CURSEG_TYPE;
- si->base_mem += PAGE_CACHE_SIZE * NR_CURSEG_TYPE;
+ si->base_mem += PAGE_SIZE * NR_CURSEG_TYPE;
/* build dirty segmap */
si->base_mem += sizeof(struct dirty_seglist_info);
@@ -155,20 +209,47 @@ 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 += NM_I(sbi)->nat_blocks * NAT_ENTRY_BITMAP_SIZE;
+ si->base_mem += NM_I(sbi)->nat_blocks / 8;
+ si->base_mem += NM_I(sbi)->nat_blocks * sizeof(unsigned short);
+
+get_cache:
+ si->cache_mem = 0;
/* build gc */
- si->base_mem += sizeof(struct f2fs_gc_kthread);
+ if (sbi->gc_thread)
+ si->cache_mem += sizeof(struct f2fs_gc_kthread);
+
+ /* build merge flush thread */
+ if (SM_I(sbi)->fcc_info)
+ si->cache_mem += sizeof(struct flush_cmd_control);
+ if (SM_I(sbi)->dcc_info) {
+ si->cache_mem += sizeof(struct discard_cmd_control);
+ si->cache_mem += sizeof(struct discard_cmd) *
+ atomic_read(&SM_I(sbi)->dcc_info->discard_cmd_cnt);
+ }
-get_cache:
/* free nids */
- si->cache_mem = NM_I(sbi)->fcnt;
- si->cache_mem += NM_I(sbi)->nat_cnt;
+ si->cache_mem += (NM_I(sbi)->nid_cnt[FREE_NID_LIST] +
+ NM_I(sbi)->nid_cnt[ALLOC_NID_LIST]) *
+ sizeof(struct free_nid);
+ si->cache_mem += NM_I(sbi)->nat_cnt * sizeof(struct nat_entry);
+ si->cache_mem += NM_I(sbi)->dirty_nat_cnt *
+ sizeof(struct nat_entry_set);
+ si->cache_mem += si->inmem_pages * sizeof(struct inmem_pages);
+ for (i = 0; i <= ORPHAN_INO; i++)
+ si->cache_mem += sbi->im[i].ino_num * sizeof(struct ino_entry);
+ si->cache_mem += atomic_read(&sbi->total_ext_tree) *
+ sizeof(struct extent_tree);
+ si->cache_mem += atomic_read(&sbi->total_ext_node) *
+ sizeof(struct extent_node);
+
+ si->page_mem = 0;
npages = NODE_MAPPING(sbi)->nrpages;
- si->cache_mem += npages << PAGE_CACHE_SHIFT;
+ si->page_mem += (unsigned long long)npages << PAGE_SHIFT;
npages = META_MAPPING(sbi)->nrpages;
- si->cache_mem += npages << PAGE_CACHE_SHIFT;
- si->cache_mem += sbi->n_orphans * sizeof(struct ino_entry);
- si->cache_mem += sbi->n_dirty_dirs * sizeof(struct dir_inode_entry);
+ si->page_mem += (unsigned long long)npages << PAGE_SHIFT;
}
static int stat_show(struct seq_file *s, void *v)
@@ -183,23 +264,35 @@ static int stat_show(struct seq_file *s, void *v)
update_general_status(si->sbi);
- seq_printf(s, "\n=====[ partition info(%s). #%d ]=====\n",
- bdevname(si->sbi->sb->s_bdev, devname), i++);
+ seq_printf(s, "\n=====[ partition info(%s). #%d, %s]=====\n",
+ bdevname(si->sbi->sb->s_bdev, devname), i++,
+ f2fs_readonly(si->sbi->sb) ? "RO": "RW");
seq_printf(s, "[SB: 1] [CP: 2] [SIT: %d] [NAT: %d] ",
si->sit_area_segs, si->nat_area_segs);
seq_printf(s, "[SSA: %d] [MAIN: %d",
si->ssa_area_segs, si->main_area_segs);
seq_printf(s, "(OverProv:%d Resv:%d)]\n\n",
si->overp_segs, si->rsvd_segs);
- seq_printf(s, "Utilization: %d%% (%d valid blocks)\n",
- si->utilization, si->valid_count);
+ if (test_opt(si->sbi, DISCARD))
+ seq_printf(s, "Utilization: %u%% (%u valid blocks, %u discard blocks)\n",
+ si->utilization, si->valid_count, si->discard_blks);
+ else
+ seq_printf(s, "Utilization: %u%% (%u valid blocks)\n",
+ si->utilization, si->valid_count);
+
seq_printf(s, " - Node: %u (Inode: %u, ",
si->valid_node_count, si->valid_inode_count);
seq_printf(s, "Other: %u)\n - Data: %u\n",
si->valid_node_count - si->valid_inode_count,
si->valid_count - si->valid_node_count);
+ seq_printf(s, " - Inline_xattr Inode: %u\n",
+ si->inline_xattr);
seq_printf(s, " - Inline_data Inode: %u\n",
si->inline_inode);
+ seq_printf(s, " - Inline_dentry Inode: %u\n",
+ si->inline_dir);
+ 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",
si->main_area_segs, si->main_area_sections,
si->main_area_zones);
@@ -233,27 +326,55 @@ 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);
- seq_printf(s, "CP calls: %d\n", si->cp_count);
+ seq_printf(s, "CP calls: %d (BG: %d)\n",
+ si->cp_count, si->bg_cp_count);
seq_printf(s, "GC calls: %d (BG: %d)\n",
si->call_count, si->bg_gc);
- seq_printf(s, " - data segments : %d\n", si->data_segs);
- seq_printf(s, " - node segments : %d\n", si->node_segs);
- seq_printf(s, "Try to move %d blocks\n", si->tot_blks);
- seq_printf(s, " - data blocks : %d\n", si->data_blks);
- seq_printf(s, " - node blocks : %d\n", si->node_blks);
- seq_printf(s, "\nExtent Hit Ratio: %d / %d\n",
- si->hit_ext, si->total_ext);
+ seq_printf(s, " - data segments : %d (%d)\n",
+ si->data_segs, si->bg_data_segs);
+ seq_printf(s, " - node segments : %d (%d)\n",
+ si->node_segs, si->bg_node_segs);
+ seq_printf(s, "Try to move %d blocks (BG: %d)\n", si->tot_blks,
+ si->bg_data_blks + si->bg_node_blks);
+ seq_printf(s, " - data blocks : %d (%d)\n", si->data_blks,
+ si->bg_data_blks);
+ seq_printf(s, " - node blocks : %d (%d)\n", si->node_blks,
+ si->bg_node_blks);
+ seq_puts(s, "\nExtent Cache:\n");
+ seq_printf(s, " - Hit Count: L1-1:%llu L1-2:%llu L2:%llu\n",
+ si->hit_largest, si->hit_cached,
+ si->hit_rbtree);
+ seq_printf(s, " - Hit Ratio: %llu%% (%llu / %llu)\n",
+ !si->total_ext ? 0 :
+ div64_u64(si->hit_total * 100, si->total_ext),
+ si->hit_total, si->total_ext);
+ seq_printf(s, " - Inner Struct Count: tree: %d(%d), node: %d\n",
+ si->ext_tree, si->zombie_tree, si->ext_node);
seq_puts(s, "\nBalancing F2FS Async:\n");
+ seq_printf(s, " - IO (CP: %4d, Data: %4d, Flush: (%4d %4d), "
+ "Discard: (%4d %4d)) cmd: %4d undiscard:%4u\n",
+ si->nr_wb_cp_data, si->nr_wb_data,
+ si->nr_flushing, si->nr_flushed,
+ si->nr_discarding, si->nr_discarded,
+ si->nr_discard_cmd, si->undiscard_blks);
+ seq_printf(s, " - inmem: %4d, atomic IO: %4d (Max. %4d), "
+ "volatile IO: %4d (Max. %4d)\n",
+ si->inmem_pages, si->aw_cnt, si->max_aw_cnt,
+ si->vw_cnt, si->max_vw_cnt);
seq_printf(s, " - nodes: %4d in %4d\n",
si->ndirty_node, si->node_pages);
- seq_printf(s, " - dents: %4d in dirs:%4d\n",
- si->ndirty_dent, si->ndirty_dirs);
+ 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",
+ si->ndirty_data, si->ndirty_files);
seq_printf(s, " - meta: %4d in %4d\n",
si->ndirty_meta, si->meta_pages);
- seq_printf(s, " - NATs: %9d\n - SITs: %9d\n",
- si->nats, si->sits);
- seq_printf(s, " - free_nids: %9d\n",
- si->fnids);
+ seq_printf(s, " - imeta: %4d\n",
+ si->ndirty_imeta);
+ seq_printf(s, " - NATs: %9d/%9d\n - SITs: %9d/%9d\n",
+ si->dirty_nats, si->nats, si->dirty_sits, si->sits);
+ seq_printf(s, " - free_nids: %9d/%9d\n - alloc_nids: %9d\n",
+ si->free_nids, si->avail_nids, si->alloc_nids);
seq_puts(s, "\nDistribution of User Blocks:");
seq_puts(s, " [ valid | invalid | free ]\n");
seq_puts(s, " [");
@@ -269,6 +390,7 @@ static int stat_show(struct seq_file *s, void *v)
for (j = 0; j < si->util_free; j++)
seq_putc(s, '-');
seq_puts(s, "]\n\n");
+ seq_printf(s, "IPU: %u blocks\n", si->inplace_count);
seq_printf(s, "SSR: %u blocks in %u segments\n",
si->block_count[SSR], si->segment_count[SSR]);
seq_printf(s, "LFS: %u blocks in %u segments\n",
@@ -281,9 +403,14 @@ static int stat_show(struct seq_file *s, void *v)
/* memory footprint */
update_mem_info(si->sbi);
- seq_printf(s, "\nMemory: %u KB = static: %u + cached: %u\n",
- (si->base_mem + si->cache_mem) >> 10,
- si->base_mem >> 10, si->cache_mem >> 10);
+ seq_printf(s, "\nMemory: %llu KB\n",
+ (si->base_mem + si->cache_mem + si->page_mem) >> 10);
+ seq_printf(s, " - static: %llu KB\n",
+ si->base_mem >> 10);
+ seq_printf(s, " - cached: %llu KB\n",
+ si->cache_mem >> 10);
+ seq_printf(s, " - paged : %llu KB\n",
+ si->page_mem >> 10);
}
mutex_unlock(&f2fs_stat_mutex);
return 0;
@@ -322,6 +449,21 @@ int f2fs_build_stats(struct f2fs_sb_info *sbi)
si->sbi = sbi;
sbi->stat_info = si;
+ atomic64_set(&sbi->total_hit_ext, 0);
+ atomic64_set(&sbi->read_hit_rbtree, 0);
+ atomic64_set(&sbi->read_hit_largest, 0);
+ atomic64_set(&sbi->read_hit_cached, 0);
+
+ atomic_set(&sbi->inline_xattr, 0);
+ atomic_set(&sbi->inline_inode, 0);
+ atomic_set(&sbi->inline_dir, 0);
+ atomic_set(&sbi->inplace_count, 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);
+
mutex_lock(&f2fs_stat_mutex);
list_add_tail(&si->stat_list, &f2fs_stat_list);
mutex_unlock(&f2fs_stat_mutex);
@@ -340,20 +482,23 @@ void f2fs_destroy_stats(struct f2fs_sb_info *sbi)
kfree(si);
}
-void __init f2fs_create_root_stats(void)
+int __init f2fs_create_root_stats(void)
{
struct dentry *file;
f2fs_debugfs_root = debugfs_create_dir("f2fs", NULL);
if (!f2fs_debugfs_root)
- return;
+ return -ENOMEM;
file = debugfs_create_file("status", S_IRUGO, f2fs_debugfs_root,
NULL, &stat_fops);
if (!file) {
debugfs_remove(f2fs_debugfs_root);
f2fs_debugfs_root = NULL;
+ return -ENOMEM;
}
+
+ return 0;
}
void f2fs_destroy_root_stats(void)
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-24 10:49:51 +0000