Commit | Line | Data |
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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 | ||
23 | static LIST_HEAD(f2fs_stat_list); | |
66af62ce | 24 | static DEFINE_MUTEX(f2fs_stat_mutex); |
fc7100ea HV |
25 | #ifdef CONFIG_DEBUG_FS |
26 | static struct dentry *f2fs_debugfs_root; | |
27 | #endif | |
28 | ||
29 | /* | |
30 | * This function calculates BDF of every segments | |
31 | */ | |
32 | void 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; | |
42 | blks_per_sec = BLKS_PER_SEC(sbi); | |
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 | 63 | static 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 | ||
e1c42045 | 75 | /* validation check of the segment numbers */ |
5b7ee374 CY |
76 | si->hit_largest = atomic64_read(&sbi->read_hit_largest); |
77 | si->hit_cached = atomic64_read(&sbi->read_hit_cached); | |
78 | si->hit_rbtree = atomic64_read(&sbi->read_hit_rbtree); | |
029e13cc | 79 | si->hit_total = si->hit_largest + si->hit_cached + si->hit_rbtree; |
5b7ee374 | 80 | si->total_ext = atomic64_read(&sbi->total_hit_ext); |
7441ccef | 81 | si->ext_tree = atomic_read(&sbi->total_ext_tree); |
c00ba554 | 82 | si->zombie_tree = atomic_read(&sbi->total_zombie_tree); |
4bf6fd9f | 83 | si->ext_node = atomic_read(&sbi->total_ext_node); |
902829aa GKH |
84 | si->ndirty_node = get_pages(sbi, F2FS_DIRTY_NODES); |
85 | si->ndirty_dent = get_pages(sbi, F2FS_DIRTY_DENTS); | |
902829aa | 86 | si->ndirty_meta = get_pages(sbi, F2FS_DIRTY_META); |
33fbd510 | 87 | si->ndirty_data = get_pages(sbi, F2FS_DIRTY_DATA); |
2c8a4a28 | 88 | si->ndirty_qdata = get_pages(sbi, F2FS_DIRTY_QDATA); |
5bc994a0 | 89 | si->ndirty_imeta = get_pages(sbi, F2FS_DIRTY_IMETA); |
33fbd510 CY |
90 | si->ndirty_dirs = sbi->ndirty_inode[DIR_INODE]; |
91 | si->ndirty_files = sbi->ndirty_inode[FILE_INODE]; | |
292c196a | 92 | si->nquota_files = sbi->nquota_files; |
0f18b462 | 93 | si->ndirty_all = sbi->ndirty_inode[DIRTY_META]; |
8dcf2ff7 | 94 | si->inmem_pages = get_pages(sbi, F2FS_INMEM_PAGES); |
0e6d0164 | 95 | si->aw_cnt = sbi->atomic_files; |
648d50ba | 96 | si->vw_cnt = atomic_read(&sbi->vw_cnt); |
26a28a0c | 97 | si->max_aw_cnt = atomic_read(&sbi->max_aw_cnt); |
648d50ba | 98 | si->max_vw_cnt = atomic_read(&sbi->max_vw_cnt); |
02b16d0a CY |
99 | si->nr_dio_read = get_pages(sbi, F2FS_DIO_READ); |
100 | si->nr_dio_write = get_pages(sbi, F2FS_DIO_WRITE); | |
36951b38 CY |
101 | si->nr_wb_cp_data = get_pages(sbi, F2FS_WB_CP_DATA); |
102 | si->nr_wb_data = get_pages(sbi, F2FS_WB_DATA); | |
5f9abab4 JK |
103 | si->nr_rd_data = get_pages(sbi, F2FS_RD_DATA); |
104 | si->nr_rd_node = get_pages(sbi, F2FS_RD_NODE); | |
105 | si->nr_rd_meta = get_pages(sbi, F2FS_RD_META); | |
280fd422 | 106 | if (SM_I(sbi)->fcc_info) { |
8b8dd65f CY |
107 | si->nr_flushed = |
108 | atomic_read(&SM_I(sbi)->fcc_info->issued_flush); | |
109 | si->nr_flushing = | |
72691af6 | 110 | atomic_read(&SM_I(sbi)->fcc_info->queued_flush); |
14d8d5f7 CY |
111 | si->flush_list_empty = |
112 | llist_empty(&SM_I(sbi)->fcc_info->issue_list); | |
8b8dd65f | 113 | } |
280fd422 | 114 | if (SM_I(sbi)->dcc_info) { |
8b8dd65f CY |
115 | si->nr_discarded = |
116 | atomic_read(&SM_I(sbi)->dcc_info->issued_discard); | |
117 | si->nr_discarding = | |
72691af6 | 118 | atomic_read(&SM_I(sbi)->dcc_info->queued_discard); |
5f32366a CY |
119 | si->nr_discard_cmd = |
120 | atomic_read(&SM_I(sbi)->dcc_info->discard_cmd_cnt); | |
d84d1cbd | 121 | si->undiscard_blks = SM_I(sbi)->dcc_info->undiscard_blks; |
8b8dd65f | 122 | } |
261eeb9c DJ |
123 | si->nr_issued_ckpt = atomic_read(&sbi->cprc_info.issued_ckpt); |
124 | si->nr_total_ckpt = atomic_read(&sbi->cprc_info.total_ckpt); | |
125 | si->nr_queued_ckpt = atomic_read(&sbi->cprc_info.queued_ckpt); | |
126 | spin_lock(&sbi->cprc_info.stat_lock); | |
127 | si->cur_ckpt_time = sbi->cprc_info.cur_time; | |
128 | si->peak_ckpt_time = sbi->cprc_info.peak_time; | |
129 | spin_unlock(&sbi->cprc_info.stat_lock); | |
902829aa GKH |
130 | si->total_count = (int)sbi->user_block_count / sbi->blocks_per_seg; |
131 | si->rsvd_segs = reserved_segments(sbi); | |
132 | si->overp_segs = overprovision_segments(sbi); | |
133 | si->valid_count = valid_user_blocks(sbi); | |
f83a2584 | 134 | si->discard_blks = discard_blocks(sbi); |
902829aa GKH |
135 | si->valid_node_count = valid_node_count(sbi); |
136 | si->valid_inode_count = valid_inode_count(sbi); | |
d5e8f6c9 | 137 | si->inline_xattr = atomic_read(&sbi->inline_xattr); |
03e14d52 CY |
138 | si->inline_inode = atomic_read(&sbi->inline_inode); |
139 | si->inline_dir = atomic_read(&sbi->inline_dir); | |
4c8ff709 | 140 | si->compr_inode = atomic_read(&sbi->compr_inode); |
ae999bb9 | 141 | si->compr_blocks = atomic64_read(&sbi->compr_blocks); |
a00861db JK |
142 | si->append = sbi->im[APPEND_INO].ino_num; |
143 | si->update = sbi->im[UPDATE_INO].ino_num; | |
652be551 | 144 | si->orphans = sbi->im[ORPHAN_INO].ino_num; |
902829aa GKH |
145 | si->utilization = utilization(sbi); |
146 | ||
147 | si->free_segs = free_segments(sbi); | |
148 | si->free_secs = free_sections(sbi); | |
149 | si->prefree_count = prefree_segments(sbi); | |
150 | si->dirty_count = dirty_segments(sbi); | |
7c77bf7d JK |
151 | if (sbi->node_inode) |
152 | si->node_pages = NODE_MAPPING(sbi)->nrpages; | |
153 | if (sbi->meta_inode) | |
154 | si->meta_pages = META_MAPPING(sbi)->nrpages; | |
6ce19aff CY |
155 | #ifdef CONFIG_F2FS_FS_COMPRESSION |
156 | if (sbi->compress_inode) { | |
157 | si->compress_pages = COMPRESS_MAPPING(sbi)->nrpages; | |
158 | si->compress_page_hit = atomic_read(&sbi->compress_page_hit); | |
159 | } | |
160 | #endif | |
a95ba66a JK |
161 | si->nats = NM_I(sbi)->nat_cnt[TOTAL_NAT]; |
162 | si->dirty_nats = NM_I(sbi)->nat_cnt[DIRTY_NAT]; | |
dd4e4b59 JK |
163 | si->sits = MAIN_SEGS(sbi); |
164 | si->dirty_sits = SIT_I(sbi)->dirty_sentries; | |
9a4ffdf5 | 165 | si->free_nids = NM_I(sbi)->nid_cnt[FREE_NID]; |
5b0ef73c | 166 | si->avail_nids = NM_I(sbi)->available_nids; |
9a4ffdf5 | 167 | si->alloc_nids = NM_I(sbi)->nid_cnt[PREALLOC_NID]; |
274bd9ba CY |
168 | si->io_skip_bggc = sbi->io_skip_bggc; |
169 | si->other_skip_bggc = sbi->other_skip_bggc; | |
2ef79ecb CY |
170 | si->skipped_atomic_files[BG_GC] = sbi->skipped_atomic_files[BG_GC]; |
171 | si->skipped_atomic_files[FG_GC] = sbi->skipped_atomic_files[FG_GC]; | |
902829aa GKH |
172 | si->util_free = (int)(free_user_blocks(sbi) >> sbi->log_blocks_per_seg) |
173 | * 100 / (int)(sbi->user_block_count >> sbi->log_blocks_per_seg) | |
174 | / 2; | |
175 | si->util_valid = (int)(written_block_count(sbi) >> | |
176 | sbi->log_blocks_per_seg) | |
177 | * 100 / (int)(sbi->user_block_count >> sbi->log_blocks_per_seg) | |
178 | / 2; | |
179 | si->util_invalid = 50 - si->util_free - si->util_valid; | |
d0b9e42a | 180 | for (i = CURSEG_HOT_DATA; i < NO_CHECK_TYPE; i++) { |
902829aa | 181 | struct curseg_info *curseg = CURSEG_I(sbi, i); |
5f029c04 | 182 | |
902829aa | 183 | si->curseg[i] = curseg->segno; |
4ddb1a4d JK |
184 | si->cursec[i] = GET_SEC_FROM_SEG(sbi, curseg->segno); |
185 | si->curzone[i] = GET_ZONE_FROM_SEC(sbi, si->cursec[i]); | |
902829aa GKH |
186 | } |
187 | ||
b63e7be5 CY |
188 | for (i = META_CP; i < META_MAX; i++) |
189 | si->meta_count[i] = atomic_read(&sbi->meta_count[i]); | |
190 | ||
0759e2c1 CY |
191 | for (i = 0; i < NO_CHECK_TYPE; i++) { |
192 | si->dirty_seg[i] = 0; | |
193 | si->full_seg[i] = 0; | |
194 | si->valid_blks[i] = 0; | |
195 | } | |
196 | ||
197 | for (i = 0; i < MAIN_SEGS(sbi); i++) { | |
198 | int blks = get_seg_entry(sbi, i)->valid_blocks; | |
199 | int type = get_seg_entry(sbi, i)->type; | |
200 | ||
201 | if (!blks) | |
202 | continue; | |
203 | ||
204 | if (blks == sbi->blocks_per_seg) | |
205 | si->full_seg[type]++; | |
206 | else | |
207 | si->dirty_seg[type]++; | |
208 | si->valid_blks[type] += blks; | |
209 | } | |
210 | ||
902829aa GKH |
211 | for (i = 0; i < 2; i++) { |
212 | si->segment_count[i] = sbi->segment_count[i]; | |
213 | si->block_count[i] = sbi->block_count[i]; | |
214 | } | |
b9a2c252 CL |
215 | |
216 | si->inplace_count = atomic_read(&sbi->inplace_count); | |
902829aa GKH |
217 | } |
218 | ||
0a8165d7 | 219 | /* |
902829aa GKH |
220 | * This function calculates memory footprint. |
221 | */ | |
222 | static void update_mem_info(struct f2fs_sb_info *sbi) | |
223 | { | |
963d4f7d | 224 | struct f2fs_stat_info *si = F2FS_STAT(sbi); |
8c402946 | 225 | int i; |
902829aa GKH |
226 | |
227 | if (si->base_mem) | |
228 | goto get_cache; | |
229 | ||
70874fb3 KM |
230 | /* build stat */ |
231 | si->base_mem = sizeof(struct f2fs_stat_info); | |
232 | ||
233 | /* build superblock */ | |
234 | si->base_mem += sizeof(struct f2fs_sb_info) + sbi->sb->s_blocksize; | |
902829aa GKH |
235 | si->base_mem += 2 * sizeof(struct f2fs_inode_info); |
236 | si->base_mem += sizeof(*sbi->ckpt); | |
237 | ||
238 | /* build sm */ | |
239 | si->base_mem += sizeof(struct f2fs_sm_info); | |
240 | ||
241 | /* build sit */ | |
242 | si->base_mem += sizeof(struct sit_info); | |
7cd8558b JK |
243 | si->base_mem += MAIN_SEGS(sbi) * sizeof(struct seg_entry); |
244 | si->base_mem += f2fs_bitmap_size(MAIN_SEGS(sbi)); | |
3e025740 | 245 | si->base_mem += 2 * SIT_VBLOCK_MAP_SIZE * MAIN_SEGS(sbi); |
7d20c8ab | 246 | si->base_mem += SIT_VBLOCK_MAP_SIZE * MAIN_SEGS(sbi); |
60a3b782 | 247 | si->base_mem += SIT_VBLOCK_MAP_SIZE; |
2c70c5e3 | 248 | if (__is_large_section(sbi)) |
7cd8558b | 249 | si->base_mem += MAIN_SECS(sbi) * sizeof(struct sec_entry); |
902829aa GKH |
250 | si->base_mem += __bitmap_size(sbi, SIT_BITMAP); |
251 | ||
252 | /* build free segmap */ | |
253 | si->base_mem += sizeof(struct free_segmap_info); | |
7cd8558b JK |
254 | si->base_mem += f2fs_bitmap_size(MAIN_SEGS(sbi)); |
255 | si->base_mem += f2fs_bitmap_size(MAIN_SECS(sbi)); | |
902829aa GKH |
256 | |
257 | /* build curseg */ | |
258 | si->base_mem += sizeof(struct curseg_info) * NR_CURSEG_TYPE; | |
09cbfeaf | 259 | si->base_mem += PAGE_SIZE * NR_CURSEG_TYPE; |
902829aa GKH |
260 | |
261 | /* build dirty segmap */ | |
262 | si->base_mem += sizeof(struct dirty_seglist_info); | |
7cd8558b JK |
263 | si->base_mem += NR_DIRTY_TYPE * f2fs_bitmap_size(MAIN_SEGS(sbi)); |
264 | si->base_mem += f2fs_bitmap_size(MAIN_SECS(sbi)); | |
902829aa | 265 | |
e1c42045 | 266 | /* build nm */ |
902829aa GKH |
267 | si->base_mem += sizeof(struct f2fs_nm_info); |
268 | si->base_mem += __bitmap_size(sbi, NAT_BITMAP); | |
22ad0b6a | 269 | si->base_mem += (NM_I(sbi)->nat_bits_blocks << F2FS_BLKSIZE_BITS); |
e15d54d5 YH |
270 | si->base_mem += NM_I(sbi)->nat_blocks * |
271 | f2fs_bitmap_size(NAT_ENTRY_PER_BLOCK); | |
4ac91242 | 272 | si->base_mem += NM_I(sbi)->nat_blocks / 8; |
586d1492 | 273 | si->base_mem += NM_I(sbi)->nat_blocks * sizeof(unsigned short); |
902829aa | 274 | |
9066c6a7 CY |
275 | get_cache: |
276 | si->cache_mem = 0; | |
277 | ||
902829aa | 278 | /* build gc */ |
9066c6a7 CY |
279 | if (sbi->gc_thread) |
280 | si->cache_mem += sizeof(struct f2fs_gc_kthread); | |
281 | ||
282 | /* build merge flush thread */ | |
b01a9201 | 283 | if (SM_I(sbi)->fcc_info) |
9066c6a7 | 284 | si->cache_mem += sizeof(struct flush_cmd_control); |
5f32366a | 285 | if (SM_I(sbi)->dcc_info) { |
0b54fb84 | 286 | si->cache_mem += sizeof(struct discard_cmd_control); |
5f32366a CY |
287 | si->cache_mem += sizeof(struct discard_cmd) * |
288 | atomic_read(&SM_I(sbi)->dcc_info->discard_cmd_cnt); | |
289 | } | |
902829aa | 290 | |
902829aa | 291 | /* free nids */ |
9a4ffdf5 CY |
292 | si->cache_mem += (NM_I(sbi)->nid_cnt[FREE_NID] + |
293 | NM_I(sbi)->nid_cnt[PREALLOC_NID]) * | |
b8559dc2 | 294 | sizeof(struct free_nid); |
a95ba66a JK |
295 | si->cache_mem += NM_I(sbi)->nat_cnt[TOTAL_NAT] * |
296 | sizeof(struct nat_entry); | |
297 | si->cache_mem += NM_I(sbi)->nat_cnt[DIRTY_NAT] * | |
298 | sizeof(struct nat_entry_set); | |
6f0aacbc | 299 | si->cache_mem += si->inmem_pages * sizeof(struct inmem_pages); |
b77061bf | 300 | for (i = 0; i < MAX_INO_ENTRY; i++) |
67298804 | 301 | si->cache_mem += sbi->im[i].ino_num * sizeof(struct ino_entry); |
7441ccef JK |
302 | si->cache_mem += atomic_read(&sbi->total_ext_tree) * |
303 | sizeof(struct extent_tree); | |
4bf6fd9f CY |
304 | si->cache_mem += atomic_read(&sbi->total_ext_node) * |
305 | sizeof(struct extent_node); | |
6f0aacbc JK |
306 | |
307 | si->page_mem = 0; | |
7c77bf7d JK |
308 | if (sbi->node_inode) { |
309 | unsigned npages = NODE_MAPPING(sbi)->nrpages; | |
5f029c04 | 310 | |
7c77bf7d JK |
311 | si->page_mem += (unsigned long long)npages << PAGE_SHIFT; |
312 | } | |
313 | if (sbi->meta_inode) { | |
314 | unsigned npages = META_MAPPING(sbi)->nrpages; | |
5f029c04 | 315 | |
7c77bf7d JK |
316 | si->page_mem += (unsigned long long)npages << PAGE_SHIFT; |
317 | } | |
6ce19aff CY |
318 | #ifdef CONFIG_F2FS_FS_COMPRESSION |
319 | if (sbi->compress_inode) { | |
320 | unsigned npages = COMPRESS_MAPPING(sbi)->nrpages; | |
321 | si->page_mem += (unsigned long long)npages << PAGE_SHIFT; | |
322 | } | |
323 | #endif | |
902829aa GKH |
324 | } |
325 | ||
b6d9246d YL |
326 | static char *s_flag[] = { |
327 | [SBI_IS_DIRTY] = " fs_dirty", | |
328 | [SBI_IS_CLOSE] = " closing", | |
329 | [SBI_NEED_FSCK] = " need_fsck", | |
330 | [SBI_POR_DOING] = " recovering", | |
331 | [SBI_NEED_SB_WRITE] = " sb_dirty", | |
332 | [SBI_NEED_CP] = " need_cp", | |
333 | [SBI_IS_SHUTDOWN] = " shutdown", | |
334 | [SBI_IS_RECOVERED] = " recovered", | |
335 | [SBI_CP_DISABLED] = " cp_disabled", | |
336 | [SBI_CP_DISABLED_QUICK] = " cp_disabled_quick", | |
337 | [SBI_QUOTA_NEED_FLUSH] = " quota_need_flush", | |
338 | [SBI_QUOTA_SKIP_FLUSH] = " quota_skip_flush", | |
339 | [SBI_QUOTA_NEED_REPAIR] = " quota_need_repair", | |
340 | [SBI_IS_RESIZEFS] = " resizefs", | |
341 | }; | |
342 | ||
902829aa GKH |
343 | static int stat_show(struct seq_file *s, void *v) |
344 | { | |
145b04e5 | 345 | struct f2fs_stat_info *si; |
b6d9246d | 346 | int i = 0, j = 0; |
902829aa | 347 | |
66af62ce | 348 | mutex_lock(&f2fs_stat_mutex); |
145b04e5 | 349 | list_for_each_entry(si, &f2fs_stat_list, stat_list) { |
902829aa GKH |
350 | update_general_status(si->sbi); |
351 | ||
b6d9246d | 352 | seq_printf(s, "\n=====[ partition info(%pg). #%d, %s, CP: %s]=====\n", |
8c11a53f | 353 | si->sbi->sb->s_bdev, i++, |
b4b153f8 | 354 | f2fs_readonly(si->sbi->sb) ? "RO": "RW", |
4354994f | 355 | is_set_ckpt_flags(si->sbi, CP_DISABLED_FLAG) ? |
b6d9246d YL |
356 | "Disabled" : (f2fs_cp_error(si->sbi) ? "Error" : "Good")); |
357 | if (si->sbi->s_flag) { | |
358 | seq_puts(s, "[SBI:"); | |
359 | for_each_set_bit(j, &si->sbi->s_flag, 32) | |
360 | seq_puts(s, s_flag[j]); | |
361 | seq_puts(s, "]\n"); | |
362 | } | |
7880ceed HL |
363 | seq_printf(s, "[SB: 1] [CP: 2] [SIT: %d] [NAT: %d] ", |
364 | si->sit_area_segs, si->nat_area_segs); | |
902829aa GKH |
365 | seq_printf(s, "[SSA: %d] [MAIN: %d", |
366 | si->ssa_area_segs, si->main_area_segs); | |
367 | seq_printf(s, "(OverProv:%d Resv:%d)]\n\n", | |
368 | si->overp_segs, si->rsvd_segs); | |
a7e679b5 JK |
369 | seq_printf(s, "Current Time Sec: %llu / Mounted Time Sec: %llu\n\n", |
370 | ktime_get_boottime_seconds(), | |
371 | SIT_I(si->sbi)->mounted_time); | |
f83a2584 YH |
372 | if (test_opt(si->sbi, DISCARD)) |
373 | seq_printf(s, "Utilization: %u%% (%u valid blocks, %u discard blocks)\n", | |
374 | si->utilization, si->valid_count, si->discard_blks); | |
375 | else | |
376 | seq_printf(s, "Utilization: %u%% (%u valid blocks)\n", | |
377 | si->utilization, si->valid_count); | |
378 | ||
902829aa GKH |
379 | seq_printf(s, " - Node: %u (Inode: %u, ", |
380 | si->valid_node_count, si->valid_inode_count); | |
381 | seq_printf(s, "Other: %u)\n - Data: %u\n", | |
382 | si->valid_node_count - si->valid_inode_count, | |
383 | si->valid_count - si->valid_node_count); | |
d5e8f6c9 CY |
384 | seq_printf(s, " - Inline_xattr Inode: %u\n", |
385 | si->inline_xattr); | |
0dbdc2ae JK |
386 | seq_printf(s, " - Inline_data Inode: %u\n", |
387 | si->inline_inode); | |
3289c061 JK |
388 | seq_printf(s, " - Inline_dentry Inode: %u\n", |
389 | si->inline_dir); | |
ae999bb9 | 390 | seq_printf(s, " - Compressed Inode: %u, Blocks: %llu\n", |
4c8ff709 | 391 | si->compr_inode, si->compr_blocks); |
a00861db JK |
392 | seq_printf(s, " - Orphan/Append/Update Inode: %u, %u, %u\n", |
393 | si->orphans, si->append, si->update); | |
902829aa GKH |
394 | seq_printf(s, "\nMain area: %d segs, %d secs %d zones\n", |
395 | si->main_area_segs, si->main_area_sections, | |
396 | si->main_area_zones); | |
0759e2c1 CY |
397 | seq_printf(s, " TYPE %8s %8s %8s %10s %10s %10s\n", |
398 | "segno", "secno", "zoneno", "dirty_seg", "full_seg", "valid_blk"); | |
399 | seq_printf(s, " - COLD data: %8d %8d %8d %10u %10u %10u\n", | |
902829aa GKH |
400 | si->curseg[CURSEG_COLD_DATA], |
401 | si->cursec[CURSEG_COLD_DATA], | |
0759e2c1 CY |
402 | si->curzone[CURSEG_COLD_DATA], |
403 | si->dirty_seg[CURSEG_COLD_DATA], | |
404 | si->full_seg[CURSEG_COLD_DATA], | |
405 | si->valid_blks[CURSEG_COLD_DATA]); | |
406 | seq_printf(s, " - WARM data: %8d %8d %8d %10u %10u %10u\n", | |
902829aa GKH |
407 | si->curseg[CURSEG_WARM_DATA], |
408 | si->cursec[CURSEG_WARM_DATA], | |
0759e2c1 CY |
409 | si->curzone[CURSEG_WARM_DATA], |
410 | si->dirty_seg[CURSEG_WARM_DATA], | |
411 | si->full_seg[CURSEG_WARM_DATA], | |
412 | si->valid_blks[CURSEG_WARM_DATA]); | |
413 | seq_printf(s, " - HOT data: %8d %8d %8d %10u %10u %10u\n", | |
902829aa GKH |
414 | si->curseg[CURSEG_HOT_DATA], |
415 | si->cursec[CURSEG_HOT_DATA], | |
0759e2c1 CY |
416 | si->curzone[CURSEG_HOT_DATA], |
417 | si->dirty_seg[CURSEG_HOT_DATA], | |
418 | si->full_seg[CURSEG_HOT_DATA], | |
419 | si->valid_blks[CURSEG_HOT_DATA]); | |
420 | seq_printf(s, " - Dir dnode: %8d %8d %8d %10u %10u %10u\n", | |
902829aa GKH |
421 | si->curseg[CURSEG_HOT_NODE], |
422 | si->cursec[CURSEG_HOT_NODE], | |
0759e2c1 CY |
423 | si->curzone[CURSEG_HOT_NODE], |
424 | si->dirty_seg[CURSEG_HOT_NODE], | |
425 | si->full_seg[CURSEG_HOT_NODE], | |
426 | si->valid_blks[CURSEG_HOT_NODE]); | |
427 | seq_printf(s, " - File dnode: %8d %8d %8d %10u %10u %10u\n", | |
902829aa GKH |
428 | si->curseg[CURSEG_WARM_NODE], |
429 | si->cursec[CURSEG_WARM_NODE], | |
0759e2c1 CY |
430 | si->curzone[CURSEG_WARM_NODE], |
431 | si->dirty_seg[CURSEG_WARM_NODE], | |
432 | si->full_seg[CURSEG_WARM_NODE], | |
433 | si->valid_blks[CURSEG_WARM_NODE]); | |
434 | seq_printf(s, " - Indir nodes: %8d %8d %8d %10u %10u %10u\n", | |
902829aa GKH |
435 | si->curseg[CURSEG_COLD_NODE], |
436 | si->cursec[CURSEG_COLD_NODE], | |
0759e2c1 CY |
437 | si->curzone[CURSEG_COLD_NODE], |
438 | si->dirty_seg[CURSEG_COLD_NODE], | |
439 | si->full_seg[CURSEG_COLD_NODE], | |
440 | si->valid_blks[CURSEG_COLD_NODE]); | |
d0b9e42a CY |
441 | seq_printf(s, " - Pinned file: %8d %8d %8d\n", |
442 | si->curseg[CURSEG_COLD_DATA_PINNED], | |
443 | si->cursec[CURSEG_COLD_DATA_PINNED], | |
444 | si->curzone[CURSEG_COLD_DATA_PINNED]); | |
093749e2 CY |
445 | seq_printf(s, " - ATGC data: %8d %8d %8d\n", |
446 | si->curseg[CURSEG_ALL_DATA_ATGC], | |
447 | si->cursec[CURSEG_ALL_DATA_ATGC], | |
448 | si->curzone[CURSEG_ALL_DATA_ATGC]); | |
902829aa GKH |
449 | seq_printf(s, "\n - Valid: %d\n - Dirty: %d\n", |
450 | si->main_area_segs - si->dirty_count - | |
451 | si->prefree_count - si->free_segs, | |
452 | si->dirty_count); | |
453 | seq_printf(s, " - Prefree: %d\n - Free: %d (%d)\n\n", | |
454 | si->prefree_count, si->free_segs, si->free_secs); | |
42190d2a JK |
455 | seq_printf(s, "CP calls: %d (BG: %d)\n", |
456 | si->cp_count, si->bg_cp_count); | |
b63e7be5 CY |
457 | seq_printf(s, " - cp blocks : %u\n", si->meta_count[META_CP]); |
458 | seq_printf(s, " - sit blocks : %u\n", | |
459 | si->meta_count[META_SIT]); | |
460 | seq_printf(s, " - nat blocks : %u\n", | |
461 | si->meta_count[META_NAT]); | |
462 | seq_printf(s, " - ssa blocks : %u\n", | |
463 | si->meta_count[META_SSA]); | |
261eeb9c DJ |
464 | seq_printf(s, "CP merge (Queued: %4d, Issued: %4d, Total: %4d, " |
465 | "Cur time: %4d(ms), Peak time: %4d(ms))\n", | |
466 | si->nr_queued_ckpt, si->nr_issued_ckpt, | |
467 | si->nr_total_ckpt, si->cur_ckpt_time, | |
468 | si->peak_ckpt_time); | |
902829aa GKH |
469 | seq_printf(s, "GC calls: %d (BG: %d)\n", |
470 | si->call_count, si->bg_gc); | |
e1235983 CL |
471 | seq_printf(s, " - data segments : %d (%d)\n", |
472 | si->data_segs, si->bg_data_segs); | |
473 | seq_printf(s, " - node segments : %d (%d)\n", | |
474 | si->node_segs, si->bg_node_segs); | |
07c6b593 DJ |
475 | seq_printf(s, " - Reclaimed segs : Normal (%d), Idle CB (%d), " |
476 | "Idle Greedy (%d), Idle AT (%d), " | |
477 | "Urgent High (%d), Urgent Low (%d)\n", | |
478 | si->sbi->gc_reclaimed_segs[GC_NORMAL], | |
479 | si->sbi->gc_reclaimed_segs[GC_IDLE_CB], | |
480 | si->sbi->gc_reclaimed_segs[GC_IDLE_GREEDY], | |
481 | si->sbi->gc_reclaimed_segs[GC_IDLE_AT], | |
482 | si->sbi->gc_reclaimed_segs[GC_URGENT_HIGH], | |
483 | si->sbi->gc_reclaimed_segs[GC_URGENT_LOW]); | |
e1235983 CL |
484 | seq_printf(s, "Try to move %d blocks (BG: %d)\n", si->tot_blks, |
485 | si->bg_data_blks + si->bg_node_blks); | |
486 | seq_printf(s, " - data blocks : %d (%d)\n", si->data_blks, | |
487 | si->bg_data_blks); | |
488 | seq_printf(s, " - node blocks : %d (%d)\n", si->node_blks, | |
489 | si->bg_node_blks); | |
2ef79ecb CY |
490 | seq_printf(s, "Skipped : atomic write %llu (%llu)\n", |
491 | si->skipped_atomic_files[BG_GC] + | |
492 | si->skipped_atomic_files[FG_GC], | |
493 | si->skipped_atomic_files[BG_GC]); | |
274bd9ba CY |
494 | seq_printf(s, "BG skip : IO: %u, Other: %u\n", |
495 | si->io_skip_bggc, si->other_skip_bggc); | |
029e13cc | 496 | seq_puts(s, "\nExtent Cache:\n"); |
5b7ee374 | 497 | seq_printf(s, " - Hit Count: L1-1:%llu L1-2:%llu L2:%llu\n", |
91c481ff | 498 | si->hit_largest, si->hit_cached, |
029e13cc | 499 | si->hit_rbtree); |
5b7ee374 | 500 | seq_printf(s, " - Hit Ratio: %llu%% (%llu / %llu)\n", |
029e13cc | 501 | !si->total_ext ? 0 : |
5b7ee374 | 502 | div64_u64(si->hit_total * 100, si->total_ext), |
029e13cc | 503 | si->hit_total, si->total_ext); |
c00ba554 JK |
504 | seq_printf(s, " - Inner Struct Count: tree: %d(%d), node: %d\n", |
505 | si->ext_tree, si->zombie_tree, si->ext_node); | |
6c311ec6 | 506 | seq_puts(s, "\nBalancing F2FS Async:\n"); |
02b16d0a CY |
507 | seq_printf(s, " - DIO (R: %4d, W: %4d)\n", |
508 | si->nr_dio_read, si->nr_dio_write); | |
5f9abab4 JK |
509 | seq_printf(s, " - IO_R (Data: %4d, Node: %4d, Meta: %4d\n", |
510 | si->nr_rd_data, si->nr_rd_node, si->nr_rd_meta); | |
511 | seq_printf(s, " - IO_W (CP: %4d, Data: %4d, Flush: (%4d %4d %4d), " | |
d84d1cbd | 512 | "Discard: (%4d %4d)) cmd: %4d undiscard:%4u\n", |
dcc9165d | 513 | si->nr_wb_cp_data, si->nr_wb_data, |
8b8dd65f | 514 | si->nr_flushing, si->nr_flushed, |
14d8d5f7 | 515 | si->flush_list_empty, |
5f32366a | 516 | si->nr_discarding, si->nr_discarded, |
d84d1cbd | 517 | si->nr_discard_cmd, si->undiscard_blks); |
648d50ba CY |
518 | seq_printf(s, " - inmem: %4d, atomic IO: %4d (Max. %4d), " |
519 | "volatile IO: %4d (Max. %4d)\n", | |
520 | si->inmem_pages, si->aw_cnt, si->max_aw_cnt, | |
521 | si->vw_cnt, si->max_vw_cnt); | |
6ce19aff | 522 | seq_printf(s, " - compress: %4d, hit:%8d\n", si->compress_pages, si->compress_page_hit); |
35782b23 | 523 | seq_printf(s, " - nodes: %4d in %4d\n", |
902829aa | 524 | si->ndirty_node, si->node_pages); |
35782b23 | 525 | seq_printf(s, " - dents: %4d in dirs:%4d (%4d)\n", |
0f18b462 | 526 | si->ndirty_dent, si->ndirty_dirs, si->ndirty_all); |
35782b23 | 527 | seq_printf(s, " - datas: %4d in files:%4d\n", |
33fbd510 | 528 | si->ndirty_data, si->ndirty_files); |
2c8a4a28 JK |
529 | seq_printf(s, " - quota datas: %4d in quota files:%4d\n", |
530 | si->ndirty_qdata, si->nquota_files); | |
35782b23 | 531 | seq_printf(s, " - meta: %4d in %4d\n", |
902829aa | 532 | si->ndirty_meta, si->meta_pages); |
35782b23 | 533 | seq_printf(s, " - imeta: %4d\n", |
5bc994a0 | 534 | si->ndirty_imeta); |
dd4e4b59 JK |
535 | seq_printf(s, " - NATs: %9d/%9d\n - SITs: %9d/%9d\n", |
536 | si->dirty_nats, si->nats, si->dirty_sits, si->sits); | |
5b0ef73c JK |
537 | seq_printf(s, " - free_nids: %9d/%9d\n - alloc_nids: %9d\n", |
538 | si->free_nids, si->avail_nids, si->alloc_nids); | |
2d219c51 GZ |
539 | seq_puts(s, "\nDistribution of User Blocks:"); |
540 | seq_puts(s, " [ valid | invalid | free ]\n"); | |
541 | seq_puts(s, " ["); | |
902829aa GKH |
542 | |
543 | for (j = 0; j < si->util_valid; j++) | |
2d219c51 GZ |
544 | seq_putc(s, '-'); |
545 | seq_putc(s, '|'); | |
902829aa GKH |
546 | |
547 | for (j = 0; j < si->util_invalid; j++) | |
2d219c51 GZ |
548 | seq_putc(s, '-'); |
549 | seq_putc(s, '|'); | |
902829aa GKH |
550 | |
551 | for (j = 0; j < si->util_free; j++) | |
2d219c51 GZ |
552 | seq_putc(s, '-'); |
553 | seq_puts(s, "]\n\n"); | |
b9a2c252 | 554 | seq_printf(s, "IPU: %u blocks\n", si->inplace_count); |
902829aa GKH |
555 | seq_printf(s, "SSR: %u blocks in %u segments\n", |
556 | si->block_count[SSR], si->segment_count[SSR]); | |
557 | seq_printf(s, "LFS: %u blocks in %u segments\n", | |
558 | si->block_count[LFS], si->segment_count[LFS]); | |
559 | ||
560 | /* segment usage info */ | |
fc7100ea | 561 | f2fs_update_sit_info(si->sbi); |
902829aa GKH |
562 | seq_printf(s, "\nBDF: %u, avg. vblocks: %u\n", |
563 | si->bimodal, si->avg_vblocks); | |
564 | ||
565 | /* memory footprint */ | |
566 | update_mem_info(si->sbi); | |
9edcdabf | 567 | seq_printf(s, "\nMemory: %llu KB\n", |
6f0aacbc | 568 | (si->base_mem + si->cache_mem + si->page_mem) >> 10); |
9edcdabf | 569 | seq_printf(s, " - static: %llu KB\n", |
6f0aacbc | 570 | si->base_mem >> 10); |
9edcdabf | 571 | seq_printf(s, " - cached: %llu KB\n", |
6f0aacbc | 572 | si->cache_mem >> 10); |
9edcdabf | 573 | seq_printf(s, " - paged : %llu KB\n", |
6f0aacbc | 574 | si->page_mem >> 10); |
902829aa | 575 | } |
66af62ce | 576 | mutex_unlock(&f2fs_stat_mutex); |
902829aa GKH |
577 | return 0; |
578 | } | |
579 | ||
155c62fe | 580 | DEFINE_SHOW_ATTRIBUTE(stat); |
fc7100ea | 581 | #endif |
902829aa | 582 | |
4589d25d | 583 | int f2fs_build_stats(struct f2fs_sb_info *sbi) |
902829aa GKH |
584 | { |
585 | struct f2fs_super_block *raw_super = F2FS_RAW_SUPER(sbi); | |
586 | struct f2fs_stat_info *si; | |
b63e7be5 | 587 | int i; |
902829aa | 588 | |
acbf054d | 589 | si = f2fs_kzalloc(sbi, sizeof(struct f2fs_stat_info), GFP_KERNEL); |
963d4f7d | 590 | if (!si) |
902829aa GKH |
591 | return -ENOMEM; |
592 | ||
902829aa GKH |
593 | si->all_area_segs = le32_to_cpu(raw_super->segment_count); |
594 | si->sit_area_segs = le32_to_cpu(raw_super->segment_count_sit); | |
595 | si->nat_area_segs = le32_to_cpu(raw_super->segment_count_nat); | |
596 | si->ssa_area_segs = le32_to_cpu(raw_super->segment_count_ssa); | |
597 | si->main_area_segs = le32_to_cpu(raw_super->segment_count_main); | |
598 | si->main_area_sections = le32_to_cpu(raw_super->section_count); | |
599 | si->main_area_zones = si->main_area_sections / | |
600 | le32_to_cpu(raw_super->secs_per_zone); | |
601 | si->sbi = sbi; | |
963d4f7d | 602 | sbi->stat_info = si; |
66af62ce | 603 | |
5b7ee374 CY |
604 | atomic64_set(&sbi->total_hit_ext, 0); |
605 | atomic64_set(&sbi->read_hit_rbtree, 0); | |
606 | atomic64_set(&sbi->read_hit_largest, 0); | |
607 | atomic64_set(&sbi->read_hit_cached, 0); | |
727edac5 | 608 | |
d5e8f6c9 | 609 | atomic_set(&sbi->inline_xattr, 0); |
03e14d52 CY |
610 | atomic_set(&sbi->inline_inode, 0); |
611 | atomic_set(&sbi->inline_dir, 0); | |
4c8ff709 | 612 | atomic_set(&sbi->compr_inode, 0); |
ae999bb9 | 613 | atomic64_set(&sbi->compr_blocks, 0); |
b9a2c252 | 614 | atomic_set(&sbi->inplace_count, 0); |
b63e7be5 CY |
615 | for (i = META_CP; i < META_MAX; i++) |
616 | atomic_set(&sbi->meta_count[i], 0); | |
03e14d52 | 617 | |
648d50ba | 618 | atomic_set(&sbi->vw_cnt, 0); |
26a28a0c | 619 | atomic_set(&sbi->max_aw_cnt, 0); |
648d50ba | 620 | atomic_set(&sbi->max_vw_cnt, 0); |
26a28a0c | 621 | |
66af62ce | 622 | mutex_lock(&f2fs_stat_mutex); |
623 | list_add_tail(&si->stat_list, &f2fs_stat_list); | |
624 | mutex_unlock(&f2fs_stat_mutex); | |
625 | ||
902829aa GKH |
626 | return 0; |
627 | } | |
628 | ||
902829aa GKH |
629 | void f2fs_destroy_stats(struct f2fs_sb_info *sbi) |
630 | { | |
963d4f7d | 631 | struct f2fs_stat_info *si = F2FS_STAT(sbi); |
902829aa | 632 | |
66af62ce | 633 | mutex_lock(&f2fs_stat_mutex); |
902829aa | 634 | list_del(&si->stat_list); |
66af62ce | 635 | mutex_unlock(&f2fs_stat_mutex); |
636 | ||
c8eb7024 | 637 | kfree(si); |
902829aa GKH |
638 | } |
639 | ||
c20e57b3 | 640 | void __init f2fs_create_root_stats(void) |
4589d25d | 641 | { |
fc7100ea | 642 | #ifdef CONFIG_DEBUG_FS |
40e1ebe9 | 643 | f2fs_debugfs_root = debugfs_create_dir("f2fs", NULL); |
c524723e | 644 | |
491f7f71 | 645 | debugfs_create_file("status", 0444, f2fs_debugfs_root, NULL, |
c20e57b3 | 646 | &stat_fops); |
fc7100ea | 647 | #endif |
4589d25d NJ |
648 | } |
649 | ||
650 | void f2fs_destroy_root_stats(void) | |
902829aa | 651 | { |
fc7100ea | 652 | #ifdef CONFIG_DEBUG_FS |
40e1ebe9 YL |
653 | debugfs_remove_recursive(f2fs_debugfs_root); |
654 | f2fs_debugfs_root = NULL; | |
fc7100ea | 655 | #endif |
902829aa | 656 | } |