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-rw-r--r--fs/f2fs/debug.c222
1 files changed, 163 insertions, 59 deletions
diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c
index 24d6a51b48d1..d00ba9b711a4 100644
--- a/fs/f2fs/debug.c
+++ b/fs/f2fs/debug.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* f2fs debugging statistics
*
@@ -5,10 +6,6 @@
* http://www.samsung.com/
* Copyright (c) 2012 Linux Foundation
* Copyright (c) 2012 Greg Kroah-Hartman <gregkh@linuxfoundation.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/fs.h>
@@ -38,37 +35,83 @@ static void update_general_status(struct f2fs_sb_info *sbi)
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 = sbi->total_ext_tree;
+ 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_qdata = get_pages(sbi, F2FS_DIRTY_QDATA);
+ 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->nquota_files = sbi->nquota_files;
+ si->ndirty_all = sbi->ndirty_inode[DIRTY_META];
si->inmem_pages = get_pages(sbi, F2FS_INMEM_PAGES);
- si->wb_pages = get_pages(sbi, F2FS_WRITEBACK);
+ 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_dio_read = get_pages(sbi, F2FS_DIO_READ);
+ si->nr_dio_write = get_pages(sbi, F2FS_DIO_WRITE);
+ si->nr_wb_cp_data = get_pages(sbi, F2FS_WB_CP_DATA);
+ si->nr_wb_data = get_pages(sbi, F2FS_WB_DATA);
+ si->nr_rd_data = get_pages(sbi, F2FS_RD_DATA);
+ si->nr_rd_node = get_pages(sbi, F2FS_RD_NODE);
+ si->nr_rd_meta = get_pages(sbi, F2FS_RD_META);
+ 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->queued_flush);
+ si->flush_list_empty =
+ llist_empty(&SM_I(sbi)->fcc_info->issue_list);
+ }
+ 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->queued_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_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);
si->free_secs = free_sections(sbi);
si->prefree_count = prefree_segments(sbi);
si->dirty_count = dirty_segments(sbi);
- si->node_pages = NODE_MAPPING(sbi)->nrpages;
- si->meta_pages = META_MAPPING(sbi)->nrpages;
+ if (sbi->node_inode)
+ si->node_pages = NODE_MAPPING(sbi)->nrpages;
+ if (sbi->meta_inode)
+ si->meta_pages = META_MAPPING(sbi)->nrpages;
si->nats = NM_I(sbi)->nat_cnt;
si->dirty_nats = NM_I(sbi)->dirty_nat_cnt;
si->sits = MAIN_SEGS(sbi);
si->dirty_sits = SIT_I(sbi)->dirty_sentries;
- si->fnids = NM_I(sbi)->fcnt;
+ 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];
+ si->skipped_atomic_files[FG_GC] = sbi->skipped_atomic_files[FG_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)
/ 2;
@@ -80,10 +123,13 @@ 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 = META_CP; i < META_MAX; i++)
+ si->meta_count[i] = atomic_read(&sbi->meta_count[i]);
+
for (i = 0; i < 2; i++) {
si->segment_count[i] = sbi->segment_count[i];
si->block_count[i] = sbi->block_count[i];
@@ -105,10 +151,10 @@ static void update_sit_info(struct f2fs_sb_info *sbi)
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;
@@ -131,13 +177,16 @@ static void update_sit_info(struct f2fs_sb_info *sbi)
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);
@@ -148,9 +197,10 @@ static void update_mem_info(struct f2fs_sb_info *sbi)
si->base_mem += sizeof(struct sit_info);
si->base_mem += MAIN_SEGS(sbi) * sizeof(struct seg_entry);
si->base_mem += f2fs_bitmap_size(MAIN_SEGS(sbi));
- si->base_mem += 3 * SIT_VBLOCK_MAP_SIZE * MAIN_SEGS(sbi);
+ si->base_mem += 2 * SIT_VBLOCK_MAP_SIZE * MAIN_SEGS(sbi);
+ si->base_mem += SIT_VBLOCK_MAP_SIZE * MAIN_SEGS(sbi);
si->base_mem += SIT_VBLOCK_MAP_SIZE;
- if (sbi->segs_per_sec > 1)
+ if (__is_large_section(sbi))
si->base_mem += MAIN_SECS(sbi) * sizeof(struct sec_entry);
si->base_mem += __bitmap_size(sbi, SIT_BITMAP);
@@ -161,7 +211,7 @@ 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);
@@ -171,6 +221,11 @@ 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 *
+ f2fs_bitmap_size(NAT_ENTRY_PER_BLOCK);
+ 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;
@@ -180,27 +235,38 @@ get_cache:
si->cache_mem += sizeof(struct f2fs_gc_kthread);
/* build merge flush thread */
- if (SM_I(sbi)->cmd_control_info)
+ 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);
+ }
/* free nids */
- si->cache_mem += NM_I(sbi)->fcnt * sizeof(struct free_nid);
+ si->cache_mem += (NM_I(sbi)->nid_cnt[FREE_NID] +
+ NM_I(sbi)->nid_cnt[PREALLOC_NID]) *
+ 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);
- si->cache_mem += sbi->n_dirty_dirs * sizeof(struct inode_entry);
- for (i = 0; i <= UPDATE_INO; i++)
+ for (i = 0; i < MAX_INO_ENTRY; i++)
si->cache_mem += sbi->im[i].ino_num * sizeof(struct ino_entry);
- si->cache_mem += sbi->total_ext_tree * sizeof(struct extent_tree);
+ 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->page_mem += (unsigned long long)npages << PAGE_CACHE_SHIFT;
- npages = META_MAPPING(sbi)->nrpages;
- si->page_mem += (unsigned long long)npages << PAGE_CACHE_SHIFT;
+ if (sbi->node_inode) {
+ unsigned npages = NODE_MAPPING(sbi)->nrpages;
+ si->page_mem += (unsigned long long)npages << PAGE_SHIFT;
+ }
+ if (sbi->meta_inode) {
+ unsigned npages = META_MAPPING(sbi)->nrpages;
+ si->page_mem += (unsigned long long)npages << PAGE_SHIFT;
+ }
}
static int stat_show(struct seq_file *s, void *v)
@@ -211,20 +277,26 @@ static int stat_show(struct seq_file *s, void *v)
mutex_lock(&f2fs_stat_mutex);
list_for_each_entry(si, &f2fs_stat_list, stat_list) {
- char devname[BDEVNAME_SIZE];
-
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(%pg). #%d, %s, CP: %s]=====\n",
+ si->sbi->sb->s_bdev, i++,
+ f2fs_readonly(si->sbi->sb) ? "RO": "RW",
+ is_set_ckpt_flags(si->sbi, CP_DISABLED_FLAG) ?
+ "Disabled": (f2fs_cp_error(si->sbi) ? "Error": "Good"));
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",
@@ -236,6 +308,8 @@ 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, " - 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);
@@ -269,7 +343,15 @@ 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, " - cp blocks : %u\n", si->meta_count[META_CP]);
+ seq_printf(s, " - sit blocks : %u\n",
+ si->meta_count[META_SIT]);
+ seq_printf(s, " - nat blocks : %u\n",
+ si->meta_count[META_NAT]);
+ seq_printf(s, " - ssa blocks : %u\n",
+ si->meta_count[META_SSA]);
seq_printf(s, "GC calls: %d (BG: %d)\n",
si->call_count, si->bg_gc);
seq_printf(s, " - data segments : %d (%d)\n",
@@ -282,6 +364,12 @@ 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, "Skipped : atomic write %llu (%llu)\n",
+ si->skipped_atomic_files[BG_GC] +
+ si->skipped_atomic_files[FG_GC],
+ si->skipped_atomic_files[BG_GC]);
+ seq_printf(s, "BG skip : IO: %u, Other: %u\n",
+ si->io_skip_bggc, si->other_skip_bggc);
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,
@@ -290,21 +378,40 @@ static int stat_show(struct seq_file *s, void *v)
!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, node: %d\n",
- si->ext_tree, si->ext_node);
+ 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, " - inmem: %4d, wb: %4d\n",
- si->inmem_pages, si->wb_pages);
+ seq_printf(s, " - DIO (R: %4d, W: %4d)\n",
+ si->nr_dio_read, si->nr_dio_write);
+ seq_printf(s, " - IO_R (Data: %4d, Node: %4d, Meta: %4d\n",
+ si->nr_rd_data, si->nr_rd_node, si->nr_rd_meta);
+ seq_printf(s, " - IO_W (CP: %4d, Data: %4d, Flush: (%4d %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->flush_list_empty,
+ 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, " - quota datas: %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);
+ 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\n",
- si->fnids);
+ 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, " [");
@@ -363,8 +470,9 @@ int f2fs_build_stats(struct f2fs_sb_info *sbi)
{
struct f2fs_super_block *raw_super = F2FS_RAW_SUPER(sbi);
struct f2fs_stat_info *si;
+ int i;
- si = kzalloc(sizeof(struct f2fs_stat_info), GFP_KERNEL);
+ si = f2fs_kzalloc(sbi, sizeof(struct f2fs_stat_info), GFP_KERNEL);
if (!si)
return -ENOMEM;
@@ -388,6 +496,13 @@ int f2fs_build_stats(struct f2fs_sb_info *sbi)
atomic_set(&sbi->inline_inode, 0);
atomic_set(&sbi->inline_dir, 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);
mutex_lock(&f2fs_stat_mutex);
list_add_tail(&si->stat_list, &f2fs_stat_list);
@@ -404,30 +519,19 @@ void f2fs_destroy_stats(struct f2fs_sb_info *sbi)
list_del(&si->stat_list);
mutex_unlock(&f2fs_stat_mutex);
- kfree(si);
+ kvfree(si);
}
void __init f2fs_create_root_stats(void)
{
- struct dentry *file;
-
f2fs_debugfs_root = debugfs_create_dir("f2fs", NULL);
- if (!f2fs_debugfs_root)
- return;
-
- file = debugfs_create_file("status", S_IRUGO, f2fs_debugfs_root,
- NULL, &stat_fops);
- if (!file) {
- debugfs_remove(f2fs_debugfs_root);
- f2fs_debugfs_root = NULL;
- }
+
+ debugfs_create_file("status", S_IRUGO, f2fs_debugfs_root, NULL,
+ &stat_fops);
}
void f2fs_destroy_root_stats(void)
{
- if (!f2fs_debugfs_root)
- return;
-
debugfs_remove_recursive(f2fs_debugfs_root);
f2fs_debugfs_root = NULL;
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-23 04:06:53 +0000