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Merge tag 'landlock-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mic...
[linux-block.git] / fs / f2fs / debug.c
CommitLineData
7c1a000d 1// SPDX-License-Identifier: GPL-2.0
0a8165d7 2/*
902829aa
GKH		 3 * f2fs debugging statistics
4 *
5 * Copyright (c) 2012 Samsung Electronics Co., Ltd.
6 * http://www.samsung.com/
7 * Copyright (c) 2012 Linux Foundation
8 * Copyright (c) 2012 Greg Kroah-Hartman <gregkh@linuxfoundation.org>
902829aa
GKH		 9 */
10
11#include <linux/fs.h>
12#include <linux/backing-dev.h>
902829aa
GKH		 13#include <linux/f2fs_fs.h>
14#include <linux/blkdev.h>
15#include <linux/debugfs.h>
16#include <linux/seq_file.h>
17
18#include "f2fs.h"
19#include "node.h"
20#include "segment.h"
21#include "gc.h"
22
23static LIST_HEAD(f2fs_stat_list);
98237fcd 24static DEFINE_RAW_SPINLOCK(f2fs_stat_lock);
fc7100ea
HV		 25#ifdef CONFIG_DEBUG_FS
26static struct dentry *f2fs_debugfs_root;
27#endif
28
29/*
30 * This function calculates BDF of every segments
31 */
32void f2fs_update_sit_info(struct f2fs_sb_info *sbi)
33{
34 struct f2fs_stat_info *si = F2FS_STAT(sbi);
35 unsigned long long blks_per_sec, hblks_per_sec, total_vblocks;
36 unsigned long long bimodal, dist;
37 unsigned int segno, vblocks;
38 int ndirty = 0;
39
40 bimodal = 0;
41 total_vblocks = 0;
074b5ea2 42 blks_per_sec = CAP_BLKS_PER_SEC(sbi);
fc7100ea
HV		 43 hblks_per_sec = blks_per_sec / 2;
44 for (segno = 0; segno < MAIN_SEGS(sbi); segno += sbi->segs_per_sec) {
45 vblocks = get_valid_blocks(sbi, segno, true);
46 dist = abs(vblocks - hblks_per_sec);
47 bimodal += dist * dist;
48
49 if (vblocks > 0 && vblocks < blks_per_sec) {
50 total_vblocks += vblocks;
51 ndirty++;
52 }
53 }
54 dist = div_u64(MAIN_SECS(sbi) * hblks_per_sec * hblks_per_sec, 100);
55 si->bimodal = div64_u64(bimodal, dist);
56 if (si->dirty_count)
57 si->avg_vblocks = div_u64(total_vblocks, ndirty);
58 else
59 si->avg_vblocks = 0;
60}
902829aa 61
fc7100ea 62#ifdef CONFIG_DEBUG_FS
25ca923b 63static void update_general_status(struct f2fs_sb_info *sbi)
902829aa 64{
963d4f7d 65 struct f2fs_stat_info *si = F2FS_STAT(sbi);
04f0b2ea 66 struct f2fs_super_block *raw_super = F2FS_RAW_SUPER(sbi);
902829aa
GKH		 67 int i;
68
04f0b2ea
QS		 69 /* these will be changed if online resize is done */
70 si->main_area_segs = le32_to_cpu(raw_super->segment_count_main);
71 si->main_area_sections = le32_to_cpu(raw_super->section_count);
72 si->main_area_zones = si->main_area_sections /
73 le32_to_cpu(raw_super->secs_per_zone);
74
e7547dac
JK		 75 /* general extent cache stats */
76 for (i = 0; i < NR_EXTENT_CACHES; i++) {
77 struct extent_tree_info *eti = &sbi->extent_tree[i];
78
79 si->hit_cached[i] = atomic64_read(&sbi->read_hit_cached[i]);
80 si->hit_rbtree[i] = atomic64_read(&sbi->read_hit_rbtree[i]);
81 si->total_ext[i] = atomic64_read(&sbi->total_hit_ext[i]);
82 si->hit_total[i] = si->hit_cached[i] + si->hit_rbtree[i];
83 si->ext_tree[i] = atomic_read(&eti->total_ext_tree);
84 si->zombie_tree[i] = atomic_read(&eti->total_zombie_tree);
85 si->ext_node[i] = atomic_read(&eti->total_ext_node);
86 }
87 /* read extent_cache only */
5b7ee374 88 si->hit_largest = atomic64_read(&sbi->read_hit_largest);
e7547dac
JK		 89 si->hit_total[EX_READ] += si->hit_largest;
90
71644dff
JK		 91 /* block age extent_cache only */
92 si->allocated_data_blocks = atomic64_read(&sbi->allocated_data_blocks);
93
e7547dac 94 /* validation check of the segment numbers */
902829aa
GKH		 95 si->ndirty_node = get_pages(sbi, F2FS_DIRTY_NODES);
96 si->ndirty_dent = get_pages(sbi, F2FS_DIRTY_DENTS);
902829aa 97 si->ndirty_meta = get_pages(sbi, F2FS_DIRTY_META);
33fbd510 98 si->ndirty_data = get_pages(sbi, F2FS_DIRTY_DATA);
2c8a4a28 99 si->ndirty_qdata = get_pages(sbi, F2FS_DIRTY_QDATA);
5bc994a0 100 si->ndirty_imeta = get_pages(sbi, F2FS_DIRTY_IMETA);
33fbd510
CY		 101 si->ndirty_dirs = sbi->ndirty_inode[DIR_INODE];
102 si->ndirty_files = sbi->ndirty_inode[FILE_INODE];
292c196a 103 si->nquota_files = sbi->nquota_files;
0f18b462 104 si->ndirty_all = sbi->ndirty_inode[DIRTY_META];
b4dac120 105 si->aw_cnt = atomic_read(&sbi->atomic_files);
26a28a0c 106 si->max_aw_cnt = atomic_read(&sbi->max_aw_cnt);
02b16d0a
CY		 107 si->nr_dio_read = get_pages(sbi, F2FS_DIO_READ);
108 si->nr_dio_write = get_pages(sbi, F2FS_DIO_WRITE);
36951b38
CY		 109 si->nr_wb_cp_data = get_pages(sbi, F2FS_WB_CP_DATA);
110 si->nr_wb_data = get_pages(sbi, F2FS_WB_DATA);
5f9abab4
JK		 111 si->nr_rd_data = get_pages(sbi, F2FS_RD_DATA);
112 si->nr_rd_node = get_pages(sbi, F2FS_RD_NODE);
113 si->nr_rd_meta = get_pages(sbi, F2FS_RD_META);
280fd422 114 if (SM_I(sbi)->fcc_info) {
8b8dd65f
CY		 115 si->nr_flushed =
116 atomic_read(&SM_I(sbi)->fcc_info->issued_flush);
117 si->nr_flushing =
72691af6 118 atomic_read(&SM_I(sbi)->fcc_info->queued_flush);
14d8d5f7
CY		 119 si->flush_list_empty =
120 llist_empty(&SM_I(sbi)->fcc_info->issue_list);
8b8dd65f 121 }
280fd422 122 if (SM_I(sbi)->dcc_info) {
8b8dd65f
CY		 123 si->nr_discarded =
124 atomic_read(&SM_I(sbi)->dcc_info->issued_discard);
125 si->nr_discarding =
72691af6 126 atomic_read(&SM_I(sbi)->dcc_info->queued_discard);
5f32366a
CY		 127 si->nr_discard_cmd =
128 atomic_read(&SM_I(sbi)->dcc_info->discard_cmd_cnt);
d84d1cbd 129 si->undiscard_blks = SM_I(sbi)->dcc_info->undiscard_blks;
8b8dd65f 130 }
261eeb9c
DJ		 131 si->nr_issued_ckpt = atomic_read(&sbi->cprc_info.issued_ckpt);
132 si->nr_total_ckpt = atomic_read(&sbi->cprc_info.total_ckpt);
133 si->nr_queued_ckpt = atomic_read(&sbi->cprc_info.queued_ckpt);
134 spin_lock(&sbi->cprc_info.stat_lock);
135 si->cur_ckpt_time = sbi->cprc_info.cur_time;
136 si->peak_ckpt_time = sbi->cprc_info.peak_time;
137 spin_unlock(&sbi->cprc_info.stat_lock);
902829aa
GKH		 138 si->total_count = (int)sbi->user_block_count / sbi->blocks_per_seg;
139 si->rsvd_segs = reserved_segments(sbi);
140 si->overp_segs = overprovision_segments(sbi);
141 si->valid_count = valid_user_blocks(sbi);
f83a2584 142 si->discard_blks = discard_blocks(sbi);
902829aa
GKH		 143 si->valid_node_count = valid_node_count(sbi);
144 si->valid_inode_count = valid_inode_count(sbi);
d5e8f6c9 145 si->inline_xattr = atomic_read(&sbi->inline_xattr);
03e14d52
CY		 146 si->inline_inode = atomic_read(&sbi->inline_inode);
147 si->inline_dir = atomic_read(&sbi->inline_dir);
4c8ff709 148 si->compr_inode = atomic_read(&sbi->compr_inode);
8ec071c3 149 si->swapfile_inode = atomic_read(&sbi->swapfile_inode);
ae999bb9 150 si->compr_blocks = atomic64_read(&sbi->compr_blocks);
a00861db
JK		 151 si->append = sbi->im[APPEND_INO].ino_num;
152 si->update = sbi->im[UPDATE_INO].ino_num;
652be551 153 si->orphans = sbi->im[ORPHAN_INO].ino_num;
902829aa
GKH		 154 si->utilization = utilization(sbi);
155
156 si->free_segs = free_segments(sbi);
157 si->free_secs = free_sections(sbi);
158 si->prefree_count = prefree_segments(sbi);
159 si->dirty_count = dirty_segments(sbi);
7c77bf7d
JK		 160 if (sbi->node_inode)
161 si->node_pages = NODE_MAPPING(sbi)->nrpages;
162 if (sbi->meta_inode)
163 si->meta_pages = META_MAPPING(sbi)->nrpages;
6ce19aff
CY		 164#ifdef CONFIG_F2FS_FS_COMPRESSION
165 if (sbi->compress_inode) {
166 si->compress_pages = COMPRESS_MAPPING(sbi)->nrpages;
167 si->compress_page_hit = atomic_read(&sbi->compress_page_hit);
168 }
169#endif
a95ba66a
JK		 170 si->nats = NM_I(sbi)->nat_cnt[TOTAL_NAT];
171 si->dirty_nats = NM_I(sbi)->nat_cnt[DIRTY_NAT];
dd4e4b59
JK		 172 si->sits = MAIN_SEGS(sbi);
173 si->dirty_sits = SIT_I(sbi)->dirty_sentries;
9a4ffdf5 174 si->free_nids = NM_I(sbi)->nid_cnt[FREE_NID];
5b0ef73c 175 si->avail_nids = NM_I(sbi)->available_nids;
9a4ffdf5 176 si->alloc_nids = NM_I(sbi)->nid_cnt[PREALLOC_NID];
274bd9ba
CY		 177 si->io_skip_bggc = sbi->io_skip_bggc;
178 si->other_skip_bggc = sbi->other_skip_bggc;
902829aa
GKH		 179 si->util_free = (int)(free_user_blocks(sbi) >> sbi->log_blocks_per_seg)
180 * 100 / (int)(sbi->user_block_count >> sbi->log_blocks_per_seg)
181 / 2;
182 si->util_valid = (int)(written_block_count(sbi) >>
183 sbi->log_blocks_per_seg)
184 * 100 / (int)(sbi->user_block_count >> sbi->log_blocks_per_seg)
185 / 2;
186 si->util_invalid = 50 - si->util_free - si->util_valid;
d0b9e42a 187 for (i = CURSEG_HOT_DATA; i < NO_CHECK_TYPE; i++) {
902829aa 188 struct curseg_info *curseg = CURSEG_I(sbi, i);
5f029c04 189
902829aa 190 si->curseg[i] = curseg->segno;
4ddb1a4d
JK		 191 si->cursec[i] = GET_SEC_FROM_SEG(sbi, curseg->segno);
192 si->curzone[i] = GET_ZONE_FROM_SEC(sbi, si->cursec[i]);
902829aa
GKH		 193 }
194
b63e7be5
CY		 195 for (i = META_CP; i < META_MAX; i++)
196 si->meta_count[i] = atomic_read(&sbi->meta_count[i]);
197
0759e2c1
CY		 198 for (i = 0; i < NO_CHECK_TYPE; i++) {
199 si->dirty_seg[i] = 0;
200 si->full_seg[i] = 0;
201 si->valid_blks[i] = 0;
202 }
203
204 for (i = 0; i < MAIN_SEGS(sbi); i++) {
205 int blks = get_seg_entry(sbi, i)->valid_blocks;
206 int type = get_seg_entry(sbi, i)->type;
207
208 if (!blks)
209 continue;
210
211 if (blks == sbi->blocks_per_seg)
212 si->full_seg[type]++;
213 else
214 si->dirty_seg[type]++;
215 si->valid_blks[type] += blks;
216 }
217
902829aa
GKH		 218 for (i = 0; i < 2; i++) {
219 si->segment_count[i] = sbi->segment_count[i];
220 si->block_count[i] = sbi->block_count[i];
221 }
b9a2c252
CL		 222
223 si->inplace_count = atomic_read(&sbi->inplace_count);
902829aa
GKH		 224}
225
0a8165d7 226/*
902829aa
GKH		 227 * This function calculates memory footprint.
228 */
229static void update_mem_info(struct f2fs_sb_info *sbi)
230{
963d4f7d 231 struct f2fs_stat_info *si = F2FS_STAT(sbi);
8c402946 232 int i;
902829aa
GKH		 233
234 if (si->base_mem)
235 goto get_cache;
236
70874fb3
KM		 237 /* build stat */
238 si->base_mem = sizeof(struct f2fs_stat_info);
239
240 /* build superblock */
241 si->base_mem += sizeof(struct f2fs_sb_info) + sbi->sb->s_blocksize;
902829aa
GKH		 242 si->base_mem += 2 * sizeof(struct f2fs_inode_info);
243 si->base_mem += sizeof(*sbi->ckpt);
244
245 /* build sm */
246 si->base_mem += sizeof(struct f2fs_sm_info);
247
248 /* build sit */
249 si->base_mem += sizeof(struct sit_info);
7cd8558b
JK		 250 si->base_mem += MAIN_SEGS(sbi) * sizeof(struct seg_entry);
251 si->base_mem += f2fs_bitmap_size(MAIN_SEGS(sbi));
3e025740 252 si->base_mem += 2 * SIT_VBLOCK_MAP_SIZE * MAIN_SEGS(sbi);
7d20c8ab 253 si->base_mem += SIT_VBLOCK_MAP_SIZE * MAIN_SEGS(sbi);
60a3b782 254 si->base_mem += SIT_VBLOCK_MAP_SIZE;
2c70c5e3 255 if (__is_large_section(sbi))
7cd8558b 256 si->base_mem += MAIN_SECS(sbi) * sizeof(struct sec_entry);
902829aa
GKH		 257 si->base_mem += __bitmap_size(sbi, SIT_BITMAP);
258
259 /* build free segmap */
260 si->base_mem += sizeof(struct free_segmap_info);
7cd8558b
JK		 261 si->base_mem += f2fs_bitmap_size(MAIN_SEGS(sbi));
262 si->base_mem += f2fs_bitmap_size(MAIN_SECS(sbi));
902829aa
GKH		 263
264 /* build curseg */
265 si->base_mem += sizeof(struct curseg_info) * NR_CURSEG_TYPE;
09cbfeaf 266 si->base_mem += PAGE_SIZE * NR_CURSEG_TYPE;
902829aa
GKH		 267
268 /* build dirty segmap */
269 si->base_mem += sizeof(struct dirty_seglist_info);
7cd8558b
JK		 270 si->base_mem += NR_DIRTY_TYPE * f2fs_bitmap_size(MAIN_SEGS(sbi));
271 si->base_mem += f2fs_bitmap_size(MAIN_SECS(sbi));
902829aa 272
e1c42045 273 /* build nm */
902829aa
GKH		 274 si->base_mem += sizeof(struct f2fs_nm_info);
275 si->base_mem += __bitmap_size(sbi, NAT_BITMAP);
22ad0b6a 276 si->base_mem += (NM_I(sbi)->nat_bits_blocks << F2FS_BLKSIZE_BITS);
e15d54d5
YH		 277 si->base_mem += NM_I(sbi)->nat_blocks *
278 f2fs_bitmap_size(NAT_ENTRY_PER_BLOCK);
4ac91242 279 si->base_mem += NM_I(sbi)->nat_blocks / 8;
586d1492 280 si->base_mem += NM_I(sbi)->nat_blocks * sizeof(unsigned short);
902829aa 281
9066c6a7
CY		 282get_cache:
283 si->cache_mem = 0;
284
902829aa 285 /* build gc */
9066c6a7
CY		 286 if (sbi->gc_thread)
287 si->cache_mem += sizeof(struct f2fs_gc_kthread);
288
289 /* build merge flush thread */
b01a9201 290 if (SM_I(sbi)->fcc_info)
9066c6a7 291 si->cache_mem += sizeof(struct flush_cmd_control);
5f32366a 292 if (SM_I(sbi)->dcc_info) {
0b54fb84 293 si->cache_mem += sizeof(struct discard_cmd_control);
5f32366a
CY		 294 si->cache_mem += sizeof(struct discard_cmd) *
295 atomic_read(&SM_I(sbi)->dcc_info->discard_cmd_cnt);
296 }
902829aa 297
902829aa 298 /* free nids */
9a4ffdf5
CY		 299 si->cache_mem += (NM_I(sbi)->nid_cnt[FREE_NID] +
300 NM_I(sbi)->nid_cnt[PREALLOC_NID]) *
b8559dc2 301 sizeof(struct free_nid);
a95ba66a
JK		 302 si->cache_mem += NM_I(sbi)->nat_cnt[TOTAL_NAT] *
303 sizeof(struct nat_entry);
304 si->cache_mem += NM_I(sbi)->nat_cnt[DIRTY_NAT] *
305 sizeof(struct nat_entry_set);
b77061bf 306 for (i = 0; i < MAX_INO_ENTRY; i++)
67298804 307 si->cache_mem += sbi->im[i].ino_num * sizeof(struct ino_entry);
e7547dac
JK		 308
309 for (i = 0; i < NR_EXTENT_CACHES; i++) {
310 struct extent_tree_info *eti = &sbi->extent_tree[i];
311
312 si->ext_mem[i] = atomic_read(&eti->total_ext_tree) *
7441ccef 313 sizeof(struct extent_tree);
e7547dac 314 si->ext_mem[i] += atomic_read(&eti->total_ext_node) *
4bf6fd9f 315 sizeof(struct extent_node);
e7547dac
JK		 316 si->cache_mem += si->ext_mem[i];
317 }
6f0aacbc
JK		 318
319 si->page_mem = 0;
7c77bf7d 320 if (sbi->node_inode) {
7411143f 321 unsigned long npages = NODE_MAPPING(sbi)->nrpages;
5f029c04 322
7c77bf7d
JK		 323 si->page_mem += (unsigned long long)npages << PAGE_SHIFT;
324 }
325 if (sbi->meta_inode) {
7411143f 326 unsigned long npages = META_MAPPING(sbi)->nrpages;
5f029c04 327
7c77bf7d
JK		 328 si->page_mem += (unsigned long long)npages << PAGE_SHIFT;
329 }
6ce19aff
CY		 330#ifdef CONFIG_F2FS_FS_COMPRESSION
331 if (sbi->compress_inode) {
7411143f
YL		 332 unsigned long npages = COMPRESS_MAPPING(sbi)->nrpages;
333
6ce19aff
CY		 334 si->page_mem += (unsigned long long)npages << PAGE_SHIFT;
335 }
336#endif
902829aa
GKH		 337}
338
b6d9246d
YL		 339static char *s_flag[] = {
340 [SBI_IS_DIRTY] = " fs_dirty",
341 [SBI_IS_CLOSE] = " closing",
342 [SBI_NEED_FSCK] = " need_fsck",
343 [SBI_POR_DOING] = " recovering",
344 [SBI_NEED_SB_WRITE] = " sb_dirty",
345 [SBI_NEED_CP] = " need_cp",
346 [SBI_IS_SHUTDOWN] = " shutdown",
347 [SBI_IS_RECOVERED] = " recovered",
348 [SBI_CP_DISABLED] = " cp_disabled",
349 [SBI_CP_DISABLED_QUICK] = " cp_disabled_quick",
350 [SBI_QUOTA_NEED_FLUSH] = " quota_need_flush",
351 [SBI_QUOTA_SKIP_FLUSH] = " quota_skip_flush",
352 [SBI_QUOTA_NEED_REPAIR] = " quota_need_repair",
353 [SBI_IS_RESIZEFS] = " resizefs",
ba900534 354 [SBI_IS_FREEZING] = " freezefs",
b6d9246d
YL		 355};
356
902829aa
GKH		 357static int stat_show(struct seq_file *s, void *v)
358{
145b04e5 359 struct f2fs_stat_info *si;
b6d9246d 360 int i = 0, j = 0;
98237fcd 361 unsigned long flags;
902829aa 362
98237fcd 363 raw_spin_lock_irqsave(&f2fs_stat_lock, flags);
145b04e5 364 list_for_each_entry(si, &f2fs_stat_list, stat_list) {
902829aa
GKH		 365 update_general_status(si->sbi);
366
b6d9246d 367 seq_printf(s, "\n=====[ partition info(%pg). #%d, %s, CP: %s]=====\n",
8c11a53f 368 si->sbi->sb->s_bdev, i++,
544b53da 369 f2fs_readonly(si->sbi->sb) ? "RO" : "RW",
4354994f 370 is_set_ckpt_flags(si->sbi, CP_DISABLED_FLAG) ?
b6d9246d
YL		 371 "Disabled" : (f2fs_cp_error(si->sbi) ? "Error" : "Good"));
372 if (si->sbi->s_flag) {
373 seq_puts(s, "[SBI:");
374 for_each_set_bit(j, &si->sbi->s_flag, 32)
375 seq_puts(s, s_flag[j]);
376 seq_puts(s, "]\n");
377 }
7880ceed
HL		 378 seq_printf(s, "[SB: 1] [CP: 2] [SIT: %d] [NAT: %d] ",
379 si->sit_area_segs, si->nat_area_segs);
902829aa
GKH		 380 seq_printf(s, "[SSA: %d] [MAIN: %d",
381 si->ssa_area_segs, si->main_area_segs);
382 seq_printf(s, "(OverProv:%d Resv:%d)]\n\n",
383 si->overp_segs, si->rsvd_segs);
a7e679b5
JK		 384 seq_printf(s, "Current Time Sec: %llu / Mounted Time Sec: %llu\n\n",
385 ktime_get_boottime_seconds(),
386 SIT_I(si->sbi)->mounted_time);
f83a2584
YH		 387 if (test_opt(si->sbi, DISCARD))
388 seq_printf(s, "Utilization: %u%% (%u valid blocks, %u discard blocks)\n",
389 si->utilization, si->valid_count, si->discard_blks);
390 else
391 seq_printf(s, "Utilization: %u%% (%u valid blocks)\n",
392 si->utilization, si->valid_count);
393
902829aa
GKH		 394 seq_printf(s, " - Node: %u (Inode: %u, ",
395 si->valid_node_count, si->valid_inode_count);
396 seq_printf(s, "Other: %u)\n - Data: %u\n",
397 si->valid_node_count - si->valid_inode_count,
398 si->valid_count - si->valid_node_count);
d5e8f6c9
CY		 399 seq_printf(s, " - Inline_xattr Inode: %u\n",
400 si->inline_xattr);
0dbdc2ae
JK		 401 seq_printf(s, " - Inline_data Inode: %u\n",
402 si->inline_inode);
3289c061
JK		 403 seq_printf(s, " - Inline_dentry Inode: %u\n",
404 si->inline_dir);
ae999bb9 405 seq_printf(s, " - Compressed Inode: %u, Blocks: %llu\n",
4c8ff709 406 si->compr_inode, si->compr_blocks);
8ec071c3
CY		 407 seq_printf(s, " - Swapfile Inode: %u\n",
408 si->swapfile_inode);
a00861db
JK		 409 seq_printf(s, " - Orphan/Append/Update Inode: %u, %u, %u\n",
410 si->orphans, si->append, si->update);
902829aa
GKH		 411 seq_printf(s, "\nMain area: %d segs, %d secs %d zones\n",
412 si->main_area_segs, si->main_area_sections,
413 si->main_area_zones);
0759e2c1
CY		 414 seq_printf(s, " TYPE %8s %8s %8s %10s %10s %10s\n",
415 "segno", "secno", "zoneno", "dirty_seg", "full_seg", "valid_blk");
416 seq_printf(s, " - COLD data: %8d %8d %8d %10u %10u %10u\n",
902829aa
GKH		 417 si->curseg[CURSEG_COLD_DATA],
418 si->cursec[CURSEG_COLD_DATA],
0759e2c1
CY		 419 si->curzone[CURSEG_COLD_DATA],
420 si->dirty_seg[CURSEG_COLD_DATA],
421 si->full_seg[CURSEG_COLD_DATA],
422 si->valid_blks[CURSEG_COLD_DATA]);
423 seq_printf(s, " - WARM data: %8d %8d %8d %10u %10u %10u\n",
902829aa
GKH		 424 si->curseg[CURSEG_WARM_DATA],
425 si->cursec[CURSEG_WARM_DATA],
0759e2c1
CY		 426 si->curzone[CURSEG_WARM_DATA],
427 si->dirty_seg[CURSEG_WARM_DATA],
428 si->full_seg[CURSEG_WARM_DATA],
429 si->valid_blks[CURSEG_WARM_DATA]);
430 seq_printf(s, " - HOT data: %8d %8d %8d %10u %10u %10u\n",
902829aa
GKH		 431 si->curseg[CURSEG_HOT_DATA],
432 si->cursec[CURSEG_HOT_DATA],
0759e2c1
CY		 433 si->curzone[CURSEG_HOT_DATA],
434 si->dirty_seg[CURSEG_HOT_DATA],
435 si->full_seg[CURSEG_HOT_DATA],
436 si->valid_blks[CURSEG_HOT_DATA]);
437 seq_printf(s, " - Dir dnode: %8d %8d %8d %10u %10u %10u\n",
902829aa
GKH		 438 si->curseg[CURSEG_HOT_NODE],
439 si->cursec[CURSEG_HOT_NODE],
0759e2c1
CY		 440 si->curzone[CURSEG_HOT_NODE],
441 si->dirty_seg[CURSEG_HOT_NODE],
442 si->full_seg[CURSEG_HOT_NODE],
443 si->valid_blks[CURSEG_HOT_NODE]);
444 seq_printf(s, " - File dnode: %8d %8d %8d %10u %10u %10u\n",
902829aa
GKH		 445 si->curseg[CURSEG_WARM_NODE],
446 si->cursec[CURSEG_WARM_NODE],
0759e2c1
CY		 447 si->curzone[CURSEG_WARM_NODE],
448 si->dirty_seg[CURSEG_WARM_NODE],
449 si->full_seg[CURSEG_WARM_NODE],
450 si->valid_blks[CURSEG_WARM_NODE]);
451 seq_printf(s, " - Indir nodes: %8d %8d %8d %10u %10u %10u\n",
902829aa
GKH		 452 si->curseg[CURSEG_COLD_NODE],
453 si->cursec[CURSEG_COLD_NODE],
0759e2c1
CY		 454 si->curzone[CURSEG_COLD_NODE],
455 si->dirty_seg[CURSEG_COLD_NODE],
456 si->full_seg[CURSEG_COLD_NODE],
457 si->valid_blks[CURSEG_COLD_NODE]);
d0b9e42a
CY		 458 seq_printf(s, " - Pinned file: %8d %8d %8d\n",
459 si->curseg[CURSEG_COLD_DATA_PINNED],
460 si->cursec[CURSEG_COLD_DATA_PINNED],
461 si->curzone[CURSEG_COLD_DATA_PINNED]);
093749e2
CY		 462 seq_printf(s, " - ATGC data: %8d %8d %8d\n",
463 si->curseg[CURSEG_ALL_DATA_ATGC],
464 si->cursec[CURSEG_ALL_DATA_ATGC],
465 si->curzone[CURSEG_ALL_DATA_ATGC]);
902829aa
GKH		 466 seq_printf(s, "\n - Valid: %d\n - Dirty: %d\n",
467 si->main_area_segs - si->dirty_count -
468 si->prefree_count - si->free_segs,
469 si->dirty_count);
470 seq_printf(s, " - Prefree: %d\n - Free: %d (%d)\n\n",
471 si->prefree_count, si->free_segs, si->free_secs);
42190d2a
JK		 472 seq_printf(s, "CP calls: %d (BG: %d)\n",
473 si->cp_count, si->bg_cp_count);
b63e7be5
CY		 474 seq_printf(s, " - cp blocks : %u\n", si->meta_count[META_CP]);
475 seq_printf(s, " - sit blocks : %u\n",
476 si->meta_count[META_SIT]);
477 seq_printf(s, " - nat blocks : %u\n",
478 si->meta_count[META_NAT]);
479 seq_printf(s, " - ssa blocks : %u\n",
480 si->meta_count[META_SSA]);
7411143f
YL		 481 seq_puts(s, "CP merge:\n");
482 seq_printf(s, " - Queued : %4d\n", si->nr_queued_ckpt);
483 seq_printf(s, " - Issued : %4d\n", si->nr_issued_ckpt);
484 seq_printf(s, " - Total : %4d\n", si->nr_total_ckpt);
485 seq_printf(s, " - Cur time : %4d(ms)\n", si->cur_ckpt_time);
486 seq_printf(s, " - Peak time : %4d(ms)\n", si->peak_ckpt_time);
902829aa
GKH		 487 seq_printf(s, "GC calls: %d (BG: %d)\n",
488 si->call_count, si->bg_gc);
e1235983
CL		 489 seq_printf(s, " - data segments : %d (%d)\n",
490 si->data_segs, si->bg_data_segs);
491 seq_printf(s, " - node segments : %d (%d)\n",
492 si->node_segs, si->bg_node_segs);
7411143f
YL		 493 seq_puts(s, " - Reclaimed segs :\n");
494 seq_printf(s, " - Normal : %d\n", si->sbi->gc_reclaimed_segs[GC_NORMAL]);
495 seq_printf(s, " - Idle CB : %d\n", si->sbi->gc_reclaimed_segs[GC_IDLE_CB]);
496 seq_printf(s, " - Idle Greedy : %d\n",
497 si->sbi->gc_reclaimed_segs[GC_IDLE_GREEDY]);
498 seq_printf(s, " - Idle AT : %d\n", si->sbi->gc_reclaimed_segs[GC_IDLE_AT]);
499 seq_printf(s, " - Urgent High : %d\n",
500 si->sbi->gc_reclaimed_segs[GC_URGENT_HIGH]);
501 seq_printf(s, " - Urgent Mid : %d\n", si->sbi->gc_reclaimed_segs[GC_URGENT_MID]);
502 seq_printf(s, " - Urgent Low : %d\n", si->sbi->gc_reclaimed_segs[GC_URGENT_LOW]);
e1235983
CL		 503 seq_printf(s, "Try to move %d blocks (BG: %d)\n", si->tot_blks,
504 si->bg_data_blks + si->bg_node_blks);
505 seq_printf(s, " - data blocks : %d (%d)\n", si->data_blks,
506 si->bg_data_blks);
507 seq_printf(s, " - node blocks : %d (%d)\n", si->node_blks,
508 si->bg_node_blks);
274bd9ba
CY		 509 seq_printf(s, "BG skip : IO: %u, Other: %u\n",
510 si->io_skip_bggc, si->other_skip_bggc);
e7547dac 511 seq_puts(s, "\nExtent Cache (Read):\n");
5b7ee374 512 seq_printf(s, " - Hit Count: L1-1:%llu L1-2:%llu L2:%llu\n",
e7547dac
JK		 513 si->hit_largest, si->hit_cached[EX_READ],
514 si->hit_rbtree[EX_READ]);
5b7ee374 515 seq_printf(s, " - Hit Ratio: %llu%% (%llu / %llu)\n",
e7547dac
JK		 516 !si->total_ext[EX_READ] ? 0 :
517 div64_u64(si->hit_total[EX_READ] * 100,
518 si->total_ext[EX_READ]),
519 si->hit_total[EX_READ], si->total_ext[EX_READ]);
c00ba554 520 seq_printf(s, " - Inner Struct Count: tree: %d(%d), node: %d\n",
e7547dac
JK		 521 si->ext_tree[EX_READ], si->zombie_tree[EX_READ],
522 si->ext_node[EX_READ]);
71644dff
JK		 523 seq_puts(s, "\nExtent Cache (Block Age):\n");
524 seq_printf(s, " - Allocated Data Blocks: %llu\n",
525 si->allocated_data_blocks);
526 seq_printf(s, " - Hit Count: L1:%llu L2:%llu\n",
527 si->hit_cached[EX_BLOCK_AGE],
528 si->hit_rbtree[EX_BLOCK_AGE]);
529 seq_printf(s, " - Hit Ratio: %llu%% (%llu / %llu)\n",
530 !si->total_ext[EX_BLOCK_AGE] ? 0 :
531 div64_u64(si->hit_total[EX_BLOCK_AGE] * 100,
532 si->total_ext[EX_BLOCK_AGE]),
533 si->hit_total[EX_BLOCK_AGE],
534 si->total_ext[EX_BLOCK_AGE]);
535 seq_printf(s, " - Inner Struct Count: tree: %d(%d), node: %d\n",
536 si->ext_tree[EX_BLOCK_AGE],
537 si->zombie_tree[EX_BLOCK_AGE],
538 si->ext_node[EX_BLOCK_AGE]);
6c311ec6 539 seq_puts(s, "\nBalancing F2FS Async:\n");
02b16d0a
CY		 540 seq_printf(s, " - DIO (R: %4d, W: %4d)\n",
541 si->nr_dio_read, si->nr_dio_write);
5f9abab4
JK		 542 seq_printf(s, " - IO_R (Data: %4d, Node: %4d, Meta: %4d\n",
543 si->nr_rd_data, si->nr_rd_node, si->nr_rd_meta);
7411143f 544 seq_printf(s, " - IO_W (CP: %4d, Data: %4d, Flush: (%4d %4d %4d), ",
dcc9165d 545 si->nr_wb_cp_data, si->nr_wb_data,
8b8dd65f 546 si->nr_flushing, si->nr_flushed,
7411143f
YL		 547 si->flush_list_empty);
548 seq_printf(s, "Discard: (%4d %4d)) cmd: %4d undiscard:%4u\n",
5f32366a 549 si->nr_discarding, si->nr_discarded,
d84d1cbd 550 si->nr_discard_cmd, si->undiscard_blks);
7bc155fe
JK		 551 seq_printf(s, " - atomic IO: %4d (Max. %4d)\n",
552 si->aw_cnt, si->max_aw_cnt);
6ce19aff 553 seq_printf(s, " - compress: %4d, hit:%8d\n", si->compress_pages, si->compress_page_hit);
35782b23 554 seq_printf(s, " - nodes: %4d in %4d\n",
902829aa 555 si->ndirty_node, si->node_pages);
35782b23 556 seq_printf(s, " - dents: %4d in dirs:%4d (%4d)\n",
0f18b462 557 si->ndirty_dent, si->ndirty_dirs, si->ndirty_all);
35782b23 558 seq_printf(s, " - datas: %4d in files:%4d\n",
33fbd510 559 si->ndirty_data, si->ndirty_files);
2c8a4a28
JK		 560 seq_printf(s, " - quota datas: %4d in quota files:%4d\n",
561 si->ndirty_qdata, si->nquota_files);
35782b23 562 seq_printf(s, " - meta: %4d in %4d\n",
902829aa 563 si->ndirty_meta, si->meta_pages);
35782b23 564 seq_printf(s, " - imeta: %4d\n",
5bc994a0 565 si->ndirty_imeta);
47c8ebcc
JK		 566 seq_printf(s, " - fsync mark: %4lld\n",
567 percpu_counter_sum_positive(
568 &si->sbi->rf_node_block_count));
dd4e4b59
JK		 569 seq_printf(s, " - NATs: %9d/%9d\n - SITs: %9d/%9d\n",
570 si->dirty_nats, si->nats, si->dirty_sits, si->sits);
5b0ef73c
JK		 571 seq_printf(s, " - free_nids: %9d/%9d\n - alloc_nids: %9d\n",
572 si->free_nids, si->avail_nids, si->alloc_nids);
2d219c51
GZ		 573 seq_puts(s, "\nDistribution of User Blocks:");
574 seq_puts(s, " [ valid | invalid | free ]\n");
575 seq_puts(s, " [");
902829aa
GKH		 576
577 for (j = 0; j < si->util_valid; j++)
2d219c51
GZ		 578 seq_putc(s, '-');
579 seq_putc(s, '|');
902829aa
GKH		 580
581 for (j = 0; j < si->util_invalid; j++)
2d219c51
GZ		 582 seq_putc(s, '-');
583 seq_putc(s, '|');
902829aa
GKH		 584
585 for (j = 0; j < si->util_free; j++)
2d219c51
GZ		 586 seq_putc(s, '-');
587 seq_puts(s, "]\n\n");
b9a2c252 588 seq_printf(s, "IPU: %u blocks\n", si->inplace_count);
902829aa
GKH		 589 seq_printf(s, "SSR: %u blocks in %u segments\n",
590 si->block_count[SSR], si->segment_count[SSR]);
591 seq_printf(s, "LFS: %u blocks in %u segments\n",
592 si->block_count[LFS], si->segment_count[LFS]);
593
594 /* segment usage info */
fc7100ea 595 f2fs_update_sit_info(si->sbi);
902829aa
GKH		 596 seq_printf(s, "\nBDF: %u, avg. vblocks: %u\n",
597 si->bimodal, si->avg_vblocks);
598
599 /* memory footprint */
600 update_mem_info(si->sbi);
9edcdabf 601 seq_printf(s, "\nMemory: %llu KB\n",
6f0aacbc 602 (si->base_mem + si->cache_mem + si->page_mem) >> 10);
9edcdabf 603 seq_printf(s, " - static: %llu KB\n",
6f0aacbc 604 si->base_mem >> 10);
e7547dac 605 seq_printf(s, " - cached all: %llu KB\n",
6f0aacbc 606 si->cache_mem >> 10);
e7547dac
JK		 607 seq_printf(s, " - read extent cache: %llu KB\n",
608 si->ext_mem[EX_READ] >> 10);
71644dff
JK		 609 seq_printf(s, " - block age extent cache: %llu KB\n",
610 si->ext_mem[EX_BLOCK_AGE] >> 10);
9edcdabf 611 seq_printf(s, " - paged : %llu KB\n",
6f0aacbc 612 si->page_mem >> 10);
902829aa 613 }
98237fcd 614 raw_spin_unlock_irqrestore(&f2fs_stat_lock, flags);
902829aa
GKH		 615 return 0;
616}
617
155c62fe 618DEFINE_SHOW_ATTRIBUTE(stat);
fc7100ea 619#endif
902829aa 620
4589d25d 621int f2fs_build_stats(struct f2fs_sb_info *sbi)
902829aa
GKH		 622{
623 struct f2fs_super_block *raw_super = F2FS_RAW_SUPER(sbi);
624 struct f2fs_stat_info *si;
98237fcd 625 unsigned long flags;
b63e7be5 626 int i;
902829aa 627
acbf054d 628 si = f2fs_kzalloc(sbi, sizeof(struct f2fs_stat_info), GFP_KERNEL);
963d4f7d 629 if (!si)
902829aa
GKH		 630 return -ENOMEM;
631
902829aa
GKH		 632 si->all_area_segs = le32_to_cpu(raw_super->segment_count);
633 si->sit_area_segs = le32_to_cpu(raw_super->segment_count_sit);
634 si->nat_area_segs = le32_to_cpu(raw_super->segment_count_nat);
635 si->ssa_area_segs = le32_to_cpu(raw_super->segment_count_ssa);
636 si->main_area_segs = le32_to_cpu(raw_super->segment_count_main);
637 si->main_area_sections = le32_to_cpu(raw_super->section_count);
638 si->main_area_zones = si->main_area_sections /
639 le32_to_cpu(raw_super->secs_per_zone);
640 si->sbi = sbi;
963d4f7d 641 sbi->stat_info = si;
66af62ce 642
e7547dac
JK		 643 /* general extent cache stats */
644 for (i = 0; i < NR_EXTENT_CACHES; i++) {
645 atomic64_set(&sbi->total_hit_ext[i], 0);
646 atomic64_set(&sbi->read_hit_rbtree[i], 0);
647 atomic64_set(&sbi->read_hit_cached[i], 0);
648 }
649
650 /* read extent_cache only */
5b7ee374 651 atomic64_set(&sbi->read_hit_largest, 0);
727edac5 652
d5e8f6c9 653 atomic_set(&sbi->inline_xattr, 0);
03e14d52
CY		 654 atomic_set(&sbi->inline_inode, 0);
655 atomic_set(&sbi->inline_dir, 0);
4c8ff709 656 atomic_set(&sbi->compr_inode, 0);
ae999bb9 657 atomic64_set(&sbi->compr_blocks, 0);
8ec071c3 658 atomic_set(&sbi->swapfile_inode, 0);
b4dac120 659 atomic_set(&sbi->atomic_files, 0);
b9a2c252 660 atomic_set(&sbi->inplace_count, 0);
b63e7be5
CY		 661 for (i = META_CP; i < META_MAX; i++)
662 atomic_set(&sbi->meta_count[i], 0);
03e14d52 663
26a28a0c
JK		 664 atomic_set(&sbi->max_aw_cnt, 0);
665
98237fcd 666 raw_spin_lock_irqsave(&f2fs_stat_lock, flags);
66af62ce 667 list_add_tail(&si->stat_list, &f2fs_stat_list);
98237fcd 668 raw_spin_unlock_irqrestore(&f2fs_stat_lock, flags);
66af62ce 669
902829aa
GKH		 670 return 0;
671}
672
902829aa
GKH		 673void f2fs_destroy_stats(struct f2fs_sb_info *sbi)
674{
963d4f7d 675 struct f2fs_stat_info *si = F2FS_STAT(sbi);
98237fcd 676 unsigned long flags;
902829aa 677
98237fcd 678 raw_spin_lock_irqsave(&f2fs_stat_lock, flags);
902829aa 679 list_del(&si->stat_list);
98237fcd 680 raw_spin_unlock_irqrestore(&f2fs_stat_lock, flags);
66af62ce 681
c8eb7024 682 kfree(si);
902829aa
GKH		 683}
684
c20e57b3 685void __init f2fs_create_root_stats(void)
4589d25d 686{
fc7100ea 687#ifdef CONFIG_DEBUG_FS
40e1ebe9 688 f2fs_debugfs_root = debugfs_create_dir("f2fs", NULL);
c524723e 689
491f7f71 690 debugfs_create_file("status", 0444, f2fs_debugfs_root, NULL,
c20e57b3 691 &stat_fops);
fc7100ea 692#endif
4589d25d
NJ		 693}
694
695void f2fs_destroy_root_stats(void)
902829aa 696{
fc7100ea 697#ifdef CONFIG_DEBUG_FS
40e1ebe9
YL		 698 debugfs_remove_recursive(f2fs_debugfs_root);
699 f2fs_debugfs_root = NULL;
fc7100ea 700#endif
902829aa 701}
Linux 6.x block layer and io_uring tree(s)