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); | |
98237fcd | 24 | static DEFINE_RAW_SPINLOCK(f2fs_stat_lock); |
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; | |
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 | 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]; |
b4dac120 | 94 | si->aw_cnt = atomic_read(&sbi->atomic_files); |
26a28a0c | 95 | si->max_aw_cnt = atomic_read(&sbi->max_aw_cnt); |
02b16d0a CY |
96 | si->nr_dio_read = get_pages(sbi, F2FS_DIO_READ); |
97 | si->nr_dio_write = get_pages(sbi, F2FS_DIO_WRITE); | |
36951b38 CY |
98 | si->nr_wb_cp_data = get_pages(sbi, F2FS_WB_CP_DATA); |
99 | si->nr_wb_data = get_pages(sbi, F2FS_WB_DATA); | |
5f9abab4 JK |
100 | si->nr_rd_data = get_pages(sbi, F2FS_RD_DATA); |
101 | si->nr_rd_node = get_pages(sbi, F2FS_RD_NODE); | |
102 | si->nr_rd_meta = get_pages(sbi, F2FS_RD_META); | |
280fd422 | 103 | if (SM_I(sbi)->fcc_info) { |
8b8dd65f CY |
104 | si->nr_flushed = |
105 | atomic_read(&SM_I(sbi)->fcc_info->issued_flush); | |
106 | si->nr_flushing = | |
72691af6 | 107 | atomic_read(&SM_I(sbi)->fcc_info->queued_flush); |
14d8d5f7 CY |
108 | si->flush_list_empty = |
109 | llist_empty(&SM_I(sbi)->fcc_info->issue_list); | |
8b8dd65f | 110 | } |
280fd422 | 111 | if (SM_I(sbi)->dcc_info) { |
8b8dd65f CY |
112 | si->nr_discarded = |
113 | atomic_read(&SM_I(sbi)->dcc_info->issued_discard); | |
114 | si->nr_discarding = | |
72691af6 | 115 | atomic_read(&SM_I(sbi)->dcc_info->queued_discard); |
5f32366a CY |
116 | si->nr_discard_cmd = |
117 | atomic_read(&SM_I(sbi)->dcc_info->discard_cmd_cnt); | |
d84d1cbd | 118 | si->undiscard_blks = SM_I(sbi)->dcc_info->undiscard_blks; |
8b8dd65f | 119 | } |
261eeb9c DJ |
120 | si->nr_issued_ckpt = atomic_read(&sbi->cprc_info.issued_ckpt); |
121 | si->nr_total_ckpt = atomic_read(&sbi->cprc_info.total_ckpt); | |
122 | si->nr_queued_ckpt = atomic_read(&sbi->cprc_info.queued_ckpt); | |
123 | spin_lock(&sbi->cprc_info.stat_lock); | |
124 | si->cur_ckpt_time = sbi->cprc_info.cur_time; | |
125 | si->peak_ckpt_time = sbi->cprc_info.peak_time; | |
126 | spin_unlock(&sbi->cprc_info.stat_lock); | |
902829aa GKH |
127 | si->total_count = (int)sbi->user_block_count / sbi->blocks_per_seg; |
128 | si->rsvd_segs = reserved_segments(sbi); | |
129 | si->overp_segs = overprovision_segments(sbi); | |
130 | si->valid_count = valid_user_blocks(sbi); | |
f83a2584 | 131 | si->discard_blks = discard_blocks(sbi); |
902829aa GKH |
132 | si->valid_node_count = valid_node_count(sbi); |
133 | si->valid_inode_count = valid_inode_count(sbi); | |
d5e8f6c9 | 134 | si->inline_xattr = atomic_read(&sbi->inline_xattr); |
03e14d52 CY |
135 | si->inline_inode = atomic_read(&sbi->inline_inode); |
136 | si->inline_dir = atomic_read(&sbi->inline_dir); | |
4c8ff709 | 137 | si->compr_inode = atomic_read(&sbi->compr_inode); |
8ec071c3 | 138 | si->swapfile_inode = atomic_read(&sbi->swapfile_inode); |
ae999bb9 | 139 | si->compr_blocks = atomic64_read(&sbi->compr_blocks); |
a00861db JK |
140 | si->append = sbi->im[APPEND_INO].ino_num; |
141 | si->update = sbi->im[UPDATE_INO].ino_num; | |
652be551 | 142 | si->orphans = sbi->im[ORPHAN_INO].ino_num; |
902829aa GKH |
143 | si->utilization = utilization(sbi); |
144 | ||
145 | si->free_segs = free_segments(sbi); | |
146 | si->free_secs = free_sections(sbi); | |
147 | si->prefree_count = prefree_segments(sbi); | |
148 | si->dirty_count = dirty_segments(sbi); | |
7c77bf7d JK |
149 | if (sbi->node_inode) |
150 | si->node_pages = NODE_MAPPING(sbi)->nrpages; | |
151 | if (sbi->meta_inode) | |
152 | si->meta_pages = META_MAPPING(sbi)->nrpages; | |
6ce19aff CY |
153 | #ifdef CONFIG_F2FS_FS_COMPRESSION |
154 | if (sbi->compress_inode) { | |
155 | si->compress_pages = COMPRESS_MAPPING(sbi)->nrpages; | |
156 | si->compress_page_hit = atomic_read(&sbi->compress_page_hit); | |
157 | } | |
158 | #endif | |
a95ba66a JK |
159 | si->nats = NM_I(sbi)->nat_cnt[TOTAL_NAT]; |
160 | si->dirty_nats = NM_I(sbi)->nat_cnt[DIRTY_NAT]; | |
dd4e4b59 JK |
161 | si->sits = MAIN_SEGS(sbi); |
162 | si->dirty_sits = SIT_I(sbi)->dirty_sentries; | |
9a4ffdf5 | 163 | si->free_nids = NM_I(sbi)->nid_cnt[FREE_NID]; |
5b0ef73c | 164 | si->avail_nids = NM_I(sbi)->available_nids; |
9a4ffdf5 | 165 | si->alloc_nids = NM_I(sbi)->nid_cnt[PREALLOC_NID]; |
274bd9ba CY |
166 | si->io_skip_bggc = sbi->io_skip_bggc; |
167 | si->other_skip_bggc = sbi->other_skip_bggc; | |
902829aa GKH |
168 | si->util_free = (int)(free_user_blocks(sbi) >> sbi->log_blocks_per_seg) |
169 | * 100 / (int)(sbi->user_block_count >> sbi->log_blocks_per_seg) | |
170 | / 2; | |
171 | si->util_valid = (int)(written_block_count(sbi) >> | |
172 | sbi->log_blocks_per_seg) | |
173 | * 100 / (int)(sbi->user_block_count >> sbi->log_blocks_per_seg) | |
174 | / 2; | |
175 | si->util_invalid = 50 - si->util_free - si->util_valid; | |
d0b9e42a | 176 | for (i = CURSEG_HOT_DATA; i < NO_CHECK_TYPE; i++) { |
902829aa | 177 | struct curseg_info *curseg = CURSEG_I(sbi, i); |
5f029c04 | 178 | |
902829aa | 179 | si->curseg[i] = curseg->segno; |
4ddb1a4d JK |
180 | si->cursec[i] = GET_SEC_FROM_SEG(sbi, curseg->segno); |
181 | si->curzone[i] = GET_ZONE_FROM_SEC(sbi, si->cursec[i]); | |
902829aa GKH |
182 | } |
183 | ||
b63e7be5 CY |
184 | for (i = META_CP; i < META_MAX; i++) |
185 | si->meta_count[i] = atomic_read(&sbi->meta_count[i]); | |
186 | ||
0759e2c1 CY |
187 | for (i = 0; i < NO_CHECK_TYPE; i++) { |
188 | si->dirty_seg[i] = 0; | |
189 | si->full_seg[i] = 0; | |
190 | si->valid_blks[i] = 0; | |
191 | } | |
192 | ||
193 | for (i = 0; i < MAIN_SEGS(sbi); i++) { | |
194 | int blks = get_seg_entry(sbi, i)->valid_blocks; | |
195 | int type = get_seg_entry(sbi, i)->type; | |
196 | ||
197 | if (!blks) | |
198 | continue; | |
199 | ||
200 | if (blks == sbi->blocks_per_seg) | |
201 | si->full_seg[type]++; | |
202 | else | |
203 | si->dirty_seg[type]++; | |
204 | si->valid_blks[type] += blks; | |
205 | } | |
206 | ||
902829aa GKH |
207 | for (i = 0; i < 2; i++) { |
208 | si->segment_count[i] = sbi->segment_count[i]; | |
209 | si->block_count[i] = sbi->block_count[i]; | |
210 | } | |
b9a2c252 CL |
211 | |
212 | si->inplace_count = atomic_read(&sbi->inplace_count); | |
902829aa GKH |
213 | } |
214 | ||
0a8165d7 | 215 | /* |
902829aa GKH |
216 | * This function calculates memory footprint. |
217 | */ | |
218 | static void update_mem_info(struct f2fs_sb_info *sbi) | |
219 | { | |
963d4f7d | 220 | struct f2fs_stat_info *si = F2FS_STAT(sbi); |
8c402946 | 221 | int i; |
902829aa GKH |
222 | |
223 | if (si->base_mem) | |
224 | goto get_cache; | |
225 | ||
70874fb3 KM |
226 | /* build stat */ |
227 | si->base_mem = sizeof(struct f2fs_stat_info); | |
228 | ||
229 | /* build superblock */ | |
230 | si->base_mem += sizeof(struct f2fs_sb_info) + sbi->sb->s_blocksize; | |
902829aa GKH |
231 | si->base_mem += 2 * sizeof(struct f2fs_inode_info); |
232 | si->base_mem += sizeof(*sbi->ckpt); | |
233 | ||
234 | /* build sm */ | |
235 | si->base_mem += sizeof(struct f2fs_sm_info); | |
236 | ||
237 | /* build sit */ | |
238 | si->base_mem += sizeof(struct sit_info); | |
7cd8558b JK |
239 | si->base_mem += MAIN_SEGS(sbi) * sizeof(struct seg_entry); |
240 | si->base_mem += f2fs_bitmap_size(MAIN_SEGS(sbi)); | |
3e025740 | 241 | si->base_mem += 2 * SIT_VBLOCK_MAP_SIZE * MAIN_SEGS(sbi); |
7d20c8ab | 242 | si->base_mem += SIT_VBLOCK_MAP_SIZE * MAIN_SEGS(sbi); |
60a3b782 | 243 | si->base_mem += SIT_VBLOCK_MAP_SIZE; |
2c70c5e3 | 244 | if (__is_large_section(sbi)) |
7cd8558b | 245 | si->base_mem += MAIN_SECS(sbi) * sizeof(struct sec_entry); |
902829aa GKH |
246 | si->base_mem += __bitmap_size(sbi, SIT_BITMAP); |
247 | ||
248 | /* build free segmap */ | |
249 | si->base_mem += sizeof(struct free_segmap_info); | |
7cd8558b JK |
250 | si->base_mem += f2fs_bitmap_size(MAIN_SEGS(sbi)); |
251 | si->base_mem += f2fs_bitmap_size(MAIN_SECS(sbi)); | |
902829aa GKH |
252 | |
253 | /* build curseg */ | |
254 | si->base_mem += sizeof(struct curseg_info) * NR_CURSEG_TYPE; | |
09cbfeaf | 255 | si->base_mem += PAGE_SIZE * NR_CURSEG_TYPE; |
902829aa GKH |
256 | |
257 | /* build dirty segmap */ | |
258 | si->base_mem += sizeof(struct dirty_seglist_info); | |
7cd8558b JK |
259 | si->base_mem += NR_DIRTY_TYPE * f2fs_bitmap_size(MAIN_SEGS(sbi)); |
260 | si->base_mem += f2fs_bitmap_size(MAIN_SECS(sbi)); | |
902829aa | 261 | |
e1c42045 | 262 | /* build nm */ |
902829aa GKH |
263 | si->base_mem += sizeof(struct f2fs_nm_info); |
264 | si->base_mem += __bitmap_size(sbi, NAT_BITMAP); | |
22ad0b6a | 265 | si->base_mem += (NM_I(sbi)->nat_bits_blocks << F2FS_BLKSIZE_BITS); |
e15d54d5 YH |
266 | si->base_mem += NM_I(sbi)->nat_blocks * |
267 | f2fs_bitmap_size(NAT_ENTRY_PER_BLOCK); | |
4ac91242 | 268 | si->base_mem += NM_I(sbi)->nat_blocks / 8; |
586d1492 | 269 | si->base_mem += NM_I(sbi)->nat_blocks * sizeof(unsigned short); |
902829aa | 270 | |
9066c6a7 CY |
271 | get_cache: |
272 | si->cache_mem = 0; | |
273 | ||
902829aa | 274 | /* build gc */ |
9066c6a7 CY |
275 | if (sbi->gc_thread) |
276 | si->cache_mem += sizeof(struct f2fs_gc_kthread); | |
277 | ||
278 | /* build merge flush thread */ | |
b01a9201 | 279 | if (SM_I(sbi)->fcc_info) |
9066c6a7 | 280 | si->cache_mem += sizeof(struct flush_cmd_control); |
5f32366a | 281 | if (SM_I(sbi)->dcc_info) { |
0b54fb84 | 282 | si->cache_mem += sizeof(struct discard_cmd_control); |
5f32366a CY |
283 | si->cache_mem += sizeof(struct discard_cmd) * |
284 | atomic_read(&SM_I(sbi)->dcc_info->discard_cmd_cnt); | |
285 | } | |
902829aa | 286 | |
902829aa | 287 | /* free nids */ |
9a4ffdf5 CY |
288 | si->cache_mem += (NM_I(sbi)->nid_cnt[FREE_NID] + |
289 | NM_I(sbi)->nid_cnt[PREALLOC_NID]) * | |
b8559dc2 | 290 | sizeof(struct free_nid); |
a95ba66a JK |
291 | si->cache_mem += NM_I(sbi)->nat_cnt[TOTAL_NAT] * |
292 | sizeof(struct nat_entry); | |
293 | si->cache_mem += NM_I(sbi)->nat_cnt[DIRTY_NAT] * | |
294 | sizeof(struct nat_entry_set); | |
b77061bf | 295 | for (i = 0; i < MAX_INO_ENTRY; i++) |
67298804 | 296 | si->cache_mem += sbi->im[i].ino_num * sizeof(struct ino_entry); |
7441ccef JK |
297 | si->cache_mem += atomic_read(&sbi->total_ext_tree) * |
298 | sizeof(struct extent_tree); | |
4bf6fd9f CY |
299 | si->cache_mem += atomic_read(&sbi->total_ext_node) * |
300 | sizeof(struct extent_node); | |
6f0aacbc JK |
301 | |
302 | si->page_mem = 0; | |
7c77bf7d JK |
303 | if (sbi->node_inode) { |
304 | unsigned npages = NODE_MAPPING(sbi)->nrpages; | |
5f029c04 | 305 | |
7c77bf7d JK |
306 | si->page_mem += (unsigned long long)npages << PAGE_SHIFT; |
307 | } | |
308 | if (sbi->meta_inode) { | |
309 | unsigned npages = META_MAPPING(sbi)->nrpages; | |
5f029c04 | 310 | |
7c77bf7d JK |
311 | si->page_mem += (unsigned long long)npages << PAGE_SHIFT; |
312 | } | |
6ce19aff CY |
313 | #ifdef CONFIG_F2FS_FS_COMPRESSION |
314 | if (sbi->compress_inode) { | |
315 | unsigned npages = COMPRESS_MAPPING(sbi)->nrpages; | |
316 | si->page_mem += (unsigned long long)npages << PAGE_SHIFT; | |
317 | } | |
318 | #endif | |
902829aa GKH |
319 | } |
320 | ||
b6d9246d YL |
321 | static char *s_flag[] = { |
322 | [SBI_IS_DIRTY] = " fs_dirty", | |
323 | [SBI_IS_CLOSE] = " closing", | |
324 | [SBI_NEED_FSCK] = " need_fsck", | |
325 | [SBI_POR_DOING] = " recovering", | |
326 | [SBI_NEED_SB_WRITE] = " sb_dirty", | |
327 | [SBI_NEED_CP] = " need_cp", | |
328 | [SBI_IS_SHUTDOWN] = " shutdown", | |
329 | [SBI_IS_RECOVERED] = " recovered", | |
330 | [SBI_CP_DISABLED] = " cp_disabled", | |
331 | [SBI_CP_DISABLED_QUICK] = " cp_disabled_quick", | |
332 | [SBI_QUOTA_NEED_FLUSH] = " quota_need_flush", | |
333 | [SBI_QUOTA_SKIP_FLUSH] = " quota_skip_flush", | |
334 | [SBI_QUOTA_NEED_REPAIR] = " quota_need_repair", | |
335 | [SBI_IS_RESIZEFS] = " resizefs", | |
ba900534 | 336 | [SBI_IS_FREEZING] = " freezefs", |
b6d9246d YL |
337 | }; |
338 | ||
902829aa GKH |
339 | static int stat_show(struct seq_file *s, void *v) |
340 | { | |
145b04e5 | 341 | struct f2fs_stat_info *si; |
b6d9246d | 342 | int i = 0, j = 0; |
98237fcd | 343 | unsigned long flags; |
902829aa | 344 | |
98237fcd | 345 | raw_spin_lock_irqsave(&f2fs_stat_lock, flags); |
145b04e5 | 346 | list_for_each_entry(si, &f2fs_stat_list, stat_list) { |
902829aa GKH |
347 | update_general_status(si->sbi); |
348 | ||
b6d9246d | 349 | seq_printf(s, "\n=====[ partition info(%pg). #%d, %s, CP: %s]=====\n", |
8c11a53f | 350 | si->sbi->sb->s_bdev, i++, |
544b53da | 351 | f2fs_readonly(si->sbi->sb) ? "RO" : "RW", |
4354994f | 352 | is_set_ckpt_flags(si->sbi, CP_DISABLED_FLAG) ? |
b6d9246d YL |
353 | "Disabled" : (f2fs_cp_error(si->sbi) ? "Error" : "Good")); |
354 | if (si->sbi->s_flag) { | |
355 | seq_puts(s, "[SBI:"); | |
356 | for_each_set_bit(j, &si->sbi->s_flag, 32) | |
357 | seq_puts(s, s_flag[j]); | |
358 | seq_puts(s, "]\n"); | |
359 | } | |
7880ceed HL |
360 | seq_printf(s, "[SB: 1] [CP: 2] [SIT: %d] [NAT: %d] ", |
361 | si->sit_area_segs, si->nat_area_segs); | |
902829aa GKH |
362 | seq_printf(s, "[SSA: %d] [MAIN: %d", |
363 | si->ssa_area_segs, si->main_area_segs); | |
364 | seq_printf(s, "(OverProv:%d Resv:%d)]\n\n", | |
365 | si->overp_segs, si->rsvd_segs); | |
a7e679b5 JK |
366 | seq_printf(s, "Current Time Sec: %llu / Mounted Time Sec: %llu\n\n", |
367 | ktime_get_boottime_seconds(), | |
368 | SIT_I(si->sbi)->mounted_time); | |
f83a2584 YH |
369 | if (test_opt(si->sbi, DISCARD)) |
370 | seq_printf(s, "Utilization: %u%% (%u valid blocks, %u discard blocks)\n", | |
371 | si->utilization, si->valid_count, si->discard_blks); | |
372 | else | |
373 | seq_printf(s, "Utilization: %u%% (%u valid blocks)\n", | |
374 | si->utilization, si->valid_count); | |
375 | ||
902829aa GKH |
376 | seq_printf(s, " - Node: %u (Inode: %u, ", |
377 | si->valid_node_count, si->valid_inode_count); | |
378 | seq_printf(s, "Other: %u)\n - Data: %u\n", | |
379 | si->valid_node_count - si->valid_inode_count, | |
380 | si->valid_count - si->valid_node_count); | |
d5e8f6c9 CY |
381 | seq_printf(s, " - Inline_xattr Inode: %u\n", |
382 | si->inline_xattr); | |
0dbdc2ae JK |
383 | seq_printf(s, " - Inline_data Inode: %u\n", |
384 | si->inline_inode); | |
3289c061 JK |
385 | seq_printf(s, " - Inline_dentry Inode: %u\n", |
386 | si->inline_dir); | |
ae999bb9 | 387 | seq_printf(s, " - Compressed Inode: %u, Blocks: %llu\n", |
4c8ff709 | 388 | si->compr_inode, si->compr_blocks); |
8ec071c3 CY |
389 | seq_printf(s, " - Swapfile Inode: %u\n", |
390 | si->swapfile_inode); | |
a00861db JK |
391 | seq_printf(s, " - Orphan/Append/Update Inode: %u, %u, %u\n", |
392 | si->orphans, si->append, si->update); | |
902829aa GKH |
393 | seq_printf(s, "\nMain area: %d segs, %d secs %d zones\n", |
394 | si->main_area_segs, si->main_area_sections, | |
395 | si->main_area_zones); | |
0759e2c1 CY |
396 | seq_printf(s, " TYPE %8s %8s %8s %10s %10s %10s\n", |
397 | "segno", "secno", "zoneno", "dirty_seg", "full_seg", "valid_blk"); | |
398 | seq_printf(s, " - COLD data: %8d %8d %8d %10u %10u %10u\n", | |
902829aa GKH |
399 | si->curseg[CURSEG_COLD_DATA], |
400 | si->cursec[CURSEG_COLD_DATA], | |
0759e2c1 CY |
401 | si->curzone[CURSEG_COLD_DATA], |
402 | si->dirty_seg[CURSEG_COLD_DATA], | |
403 | si->full_seg[CURSEG_COLD_DATA], | |
404 | si->valid_blks[CURSEG_COLD_DATA]); | |
405 | seq_printf(s, " - WARM data: %8d %8d %8d %10u %10u %10u\n", | |
902829aa GKH |
406 | si->curseg[CURSEG_WARM_DATA], |
407 | si->cursec[CURSEG_WARM_DATA], | |
0759e2c1 CY |
408 | si->curzone[CURSEG_WARM_DATA], |
409 | si->dirty_seg[CURSEG_WARM_DATA], | |
410 | si->full_seg[CURSEG_WARM_DATA], | |
411 | si->valid_blks[CURSEG_WARM_DATA]); | |
412 | seq_printf(s, " - HOT data: %8d %8d %8d %10u %10u %10u\n", | |
902829aa GKH |
413 | si->curseg[CURSEG_HOT_DATA], |
414 | si->cursec[CURSEG_HOT_DATA], | |
0759e2c1 CY |
415 | si->curzone[CURSEG_HOT_DATA], |
416 | si->dirty_seg[CURSEG_HOT_DATA], | |
417 | si->full_seg[CURSEG_HOT_DATA], | |
418 | si->valid_blks[CURSEG_HOT_DATA]); | |
419 | seq_printf(s, " - Dir dnode: %8d %8d %8d %10u %10u %10u\n", | |
902829aa GKH |
420 | si->curseg[CURSEG_HOT_NODE], |
421 | si->cursec[CURSEG_HOT_NODE], | |
0759e2c1 CY |
422 | si->curzone[CURSEG_HOT_NODE], |
423 | si->dirty_seg[CURSEG_HOT_NODE], | |
424 | si->full_seg[CURSEG_HOT_NODE], | |
425 | si->valid_blks[CURSEG_HOT_NODE]); | |
426 | seq_printf(s, " - File dnode: %8d %8d %8d %10u %10u %10u\n", | |
902829aa GKH |
427 | si->curseg[CURSEG_WARM_NODE], |
428 | si->cursec[CURSEG_WARM_NODE], | |
0759e2c1 CY |
429 | si->curzone[CURSEG_WARM_NODE], |
430 | si->dirty_seg[CURSEG_WARM_NODE], | |
431 | si->full_seg[CURSEG_WARM_NODE], | |
432 | si->valid_blks[CURSEG_WARM_NODE]); | |
433 | seq_printf(s, " - Indir nodes: %8d %8d %8d %10u %10u %10u\n", | |
902829aa GKH |
434 | si->curseg[CURSEG_COLD_NODE], |
435 | si->cursec[CURSEG_COLD_NODE], | |
0759e2c1 CY |
436 | si->curzone[CURSEG_COLD_NODE], |
437 | si->dirty_seg[CURSEG_COLD_NODE], | |
438 | si->full_seg[CURSEG_COLD_NODE], | |
439 | si->valid_blks[CURSEG_COLD_NODE]); | |
d0b9e42a CY |
440 | seq_printf(s, " - Pinned file: %8d %8d %8d\n", |
441 | si->curseg[CURSEG_COLD_DATA_PINNED], | |
442 | si->cursec[CURSEG_COLD_DATA_PINNED], | |
443 | si->curzone[CURSEG_COLD_DATA_PINNED]); | |
093749e2 CY |
444 | seq_printf(s, " - ATGC data: %8d %8d %8d\n", |
445 | si->curseg[CURSEG_ALL_DATA_ATGC], | |
446 | si->cursec[CURSEG_ALL_DATA_ATGC], | |
447 | si->curzone[CURSEG_ALL_DATA_ATGC]); | |
902829aa GKH |
448 | seq_printf(s, "\n - Valid: %d\n - Dirty: %d\n", |
449 | si->main_area_segs - si->dirty_count - | |
450 | si->prefree_count - si->free_segs, | |
451 | si->dirty_count); | |
452 | seq_printf(s, " - Prefree: %d\n - Free: %d (%d)\n\n", | |
453 | si->prefree_count, si->free_segs, si->free_secs); | |
42190d2a JK |
454 | seq_printf(s, "CP calls: %d (BG: %d)\n", |
455 | si->cp_count, si->bg_cp_count); | |
b63e7be5 CY |
456 | seq_printf(s, " - cp blocks : %u\n", si->meta_count[META_CP]); |
457 | seq_printf(s, " - sit blocks : %u\n", | |
458 | si->meta_count[META_SIT]); | |
459 | seq_printf(s, " - nat blocks : %u\n", | |
460 | si->meta_count[META_NAT]); | |
461 | seq_printf(s, " - ssa blocks : %u\n", | |
462 | si->meta_count[META_SSA]); | |
261eeb9c DJ |
463 | seq_printf(s, "CP merge (Queued: %4d, Issued: %4d, Total: %4d, " |
464 | "Cur time: %4d(ms), Peak time: %4d(ms))\n", | |
465 | si->nr_queued_ckpt, si->nr_issued_ckpt, | |
466 | si->nr_total_ckpt, si->cur_ckpt_time, | |
467 | si->peak_ckpt_time); | |
902829aa GKH |
468 | seq_printf(s, "GC calls: %d (BG: %d)\n", |
469 | si->call_count, si->bg_gc); | |
e1235983 CL |
470 | seq_printf(s, " - data segments : %d (%d)\n", |
471 | si->data_segs, si->bg_data_segs); | |
472 | seq_printf(s, " - node segments : %d (%d)\n", | |
473 | si->node_segs, si->bg_node_segs); | |
07c6b593 DJ |
474 | seq_printf(s, " - Reclaimed segs : Normal (%d), Idle CB (%d), " |
475 | "Idle Greedy (%d), Idle AT (%d), " | |
d98af5f4 DJ |
476 | "Urgent High (%d), Urgent Mid (%d), " |
477 | "Urgent Low (%d)\n", | |
07c6b593 DJ |
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], | |
d98af5f4 | 483 | si->sbi->gc_reclaimed_segs[GC_URGENT_MID], |
07c6b593 | 484 | si->sbi->gc_reclaimed_segs[GC_URGENT_LOW]); |
e1235983 CL |
485 | seq_printf(s, "Try to move %d blocks (BG: %d)\n", si->tot_blks, |
486 | si->bg_data_blks + si->bg_node_blks); | |
487 | seq_printf(s, " - data blocks : %d (%d)\n", si->data_blks, | |
488 | si->bg_data_blks); | |
489 | seq_printf(s, " - node blocks : %d (%d)\n", si->node_blks, | |
490 | si->bg_node_blks); | |
274bd9ba CY |
491 | seq_printf(s, "BG skip : IO: %u, Other: %u\n", |
492 | si->io_skip_bggc, si->other_skip_bggc); | |
029e13cc | 493 | seq_puts(s, "\nExtent Cache:\n"); |
5b7ee374 | 494 | seq_printf(s, " - Hit Count: L1-1:%llu L1-2:%llu L2:%llu\n", |
91c481ff | 495 | si->hit_largest, si->hit_cached, |
029e13cc | 496 | si->hit_rbtree); |
5b7ee374 | 497 | seq_printf(s, " - Hit Ratio: %llu%% (%llu / %llu)\n", |
029e13cc | 498 | !si->total_ext ? 0 : |
5b7ee374 | 499 | div64_u64(si->hit_total * 100, si->total_ext), |
029e13cc | 500 | si->hit_total, si->total_ext); |
c00ba554 JK |
501 | seq_printf(s, " - Inner Struct Count: tree: %d(%d), node: %d\n", |
502 | si->ext_tree, si->zombie_tree, si->ext_node); | |
6c311ec6 | 503 | seq_puts(s, "\nBalancing F2FS Async:\n"); |
02b16d0a CY |
504 | seq_printf(s, " - DIO (R: %4d, W: %4d)\n", |
505 | si->nr_dio_read, si->nr_dio_write); | |
5f9abab4 JK |
506 | seq_printf(s, " - IO_R (Data: %4d, Node: %4d, Meta: %4d\n", |
507 | si->nr_rd_data, si->nr_rd_node, si->nr_rd_meta); | |
508 | seq_printf(s, " - IO_W (CP: %4d, Data: %4d, Flush: (%4d %4d %4d), " | |
d84d1cbd | 509 | "Discard: (%4d %4d)) cmd: %4d undiscard:%4u\n", |
dcc9165d | 510 | si->nr_wb_cp_data, si->nr_wb_data, |
8b8dd65f | 511 | si->nr_flushing, si->nr_flushed, |
14d8d5f7 | 512 | si->flush_list_empty, |
5f32366a | 513 | si->nr_discarding, si->nr_discarded, |
d84d1cbd | 514 | si->nr_discard_cmd, si->undiscard_blks); |
7bc155fe JK |
515 | seq_printf(s, " - atomic IO: %4d (Max. %4d)\n", |
516 | si->aw_cnt, si->max_aw_cnt); | |
6ce19aff | 517 | seq_printf(s, " - compress: %4d, hit:%8d\n", si->compress_pages, si->compress_page_hit); |
35782b23 | 518 | seq_printf(s, " - nodes: %4d in %4d\n", |
902829aa | 519 | si->ndirty_node, si->node_pages); |
35782b23 | 520 | seq_printf(s, " - dents: %4d in dirs:%4d (%4d)\n", |
0f18b462 | 521 | si->ndirty_dent, si->ndirty_dirs, si->ndirty_all); |
35782b23 | 522 | seq_printf(s, " - datas: %4d in files:%4d\n", |
33fbd510 | 523 | si->ndirty_data, si->ndirty_files); |
2c8a4a28 JK |
524 | seq_printf(s, " - quota datas: %4d in quota files:%4d\n", |
525 | si->ndirty_qdata, si->nquota_files); | |
35782b23 | 526 | seq_printf(s, " - meta: %4d in %4d\n", |
902829aa | 527 | si->ndirty_meta, si->meta_pages); |
35782b23 | 528 | seq_printf(s, " - imeta: %4d\n", |
5bc994a0 | 529 | si->ndirty_imeta); |
47c8ebcc JK |
530 | seq_printf(s, " - fsync mark: %4lld\n", |
531 | percpu_counter_sum_positive( | |
532 | &si->sbi->rf_node_block_count)); | |
dd4e4b59 JK |
533 | seq_printf(s, " - NATs: %9d/%9d\n - SITs: %9d/%9d\n", |
534 | si->dirty_nats, si->nats, si->dirty_sits, si->sits); | |
5b0ef73c JK |
535 | seq_printf(s, " - free_nids: %9d/%9d\n - alloc_nids: %9d\n", |
536 | si->free_nids, si->avail_nids, si->alloc_nids); | |
2d219c51 GZ |
537 | seq_puts(s, "\nDistribution of User Blocks:"); |
538 | seq_puts(s, " [ valid | invalid | free ]\n"); | |
539 | seq_puts(s, " ["); | |
902829aa GKH |
540 | |
541 | for (j = 0; j < si->util_valid; j++) | |
2d219c51 GZ |
542 | seq_putc(s, '-'); |
543 | seq_putc(s, '|'); | |
902829aa GKH |
544 | |
545 | for (j = 0; j < si->util_invalid; j++) | |
2d219c51 GZ |
546 | seq_putc(s, '-'); |
547 | seq_putc(s, '|'); | |
902829aa GKH |
548 | |
549 | for (j = 0; j < si->util_free; j++) | |
2d219c51 GZ |
550 | seq_putc(s, '-'); |
551 | seq_puts(s, "]\n\n"); | |
b9a2c252 | 552 | seq_printf(s, "IPU: %u blocks\n", si->inplace_count); |
902829aa GKH |
553 | seq_printf(s, "SSR: %u blocks in %u segments\n", |
554 | si->block_count[SSR], si->segment_count[SSR]); | |
555 | seq_printf(s, "LFS: %u blocks in %u segments\n", | |
556 | si->block_count[LFS], si->segment_count[LFS]); | |
557 | ||
558 | /* segment usage info */ | |
fc7100ea | 559 | f2fs_update_sit_info(si->sbi); |
902829aa GKH |
560 | seq_printf(s, "\nBDF: %u, avg. vblocks: %u\n", |
561 | si->bimodal, si->avg_vblocks); | |
562 | ||
563 | /* memory footprint */ | |
564 | update_mem_info(si->sbi); | |
9edcdabf | 565 | seq_printf(s, "\nMemory: %llu KB\n", |
6f0aacbc | 566 | (si->base_mem + si->cache_mem + si->page_mem) >> 10); |
9edcdabf | 567 | seq_printf(s, " - static: %llu KB\n", |
6f0aacbc | 568 | si->base_mem >> 10); |
9edcdabf | 569 | seq_printf(s, " - cached: %llu KB\n", |
6f0aacbc | 570 | si->cache_mem >> 10); |
9edcdabf | 571 | seq_printf(s, " - paged : %llu KB\n", |
6f0aacbc | 572 | si->page_mem >> 10); |
902829aa | 573 | } |
98237fcd | 574 | raw_spin_unlock_irqrestore(&f2fs_stat_lock, flags); |
902829aa GKH |
575 | return 0; |
576 | } | |
577 | ||
155c62fe | 578 | DEFINE_SHOW_ATTRIBUTE(stat); |
fc7100ea | 579 | #endif |
902829aa | 580 | |
4589d25d | 581 | int f2fs_build_stats(struct f2fs_sb_info *sbi) |
902829aa GKH |
582 | { |
583 | struct f2fs_super_block *raw_super = F2FS_RAW_SUPER(sbi); | |
584 | struct f2fs_stat_info *si; | |
98237fcd | 585 | unsigned long flags; |
b63e7be5 | 586 | int i; |
902829aa | 587 | |
acbf054d | 588 | si = f2fs_kzalloc(sbi, sizeof(struct f2fs_stat_info), GFP_KERNEL); |
963d4f7d | 589 | if (!si) |
902829aa GKH |
590 | return -ENOMEM; |
591 | ||
902829aa GKH |
592 | si->all_area_segs = le32_to_cpu(raw_super->segment_count); |
593 | si->sit_area_segs = le32_to_cpu(raw_super->segment_count_sit); | |
594 | si->nat_area_segs = le32_to_cpu(raw_super->segment_count_nat); | |
595 | si->ssa_area_segs = le32_to_cpu(raw_super->segment_count_ssa); | |
596 | si->main_area_segs = le32_to_cpu(raw_super->segment_count_main); | |
597 | si->main_area_sections = le32_to_cpu(raw_super->section_count); | |
598 | si->main_area_zones = si->main_area_sections / | |
599 | le32_to_cpu(raw_super->secs_per_zone); | |
600 | si->sbi = sbi; | |
963d4f7d | 601 | sbi->stat_info = si; |
66af62ce | 602 | |
5b7ee374 CY |
603 | atomic64_set(&sbi->total_hit_ext, 0); |
604 | atomic64_set(&sbi->read_hit_rbtree, 0); | |
605 | atomic64_set(&sbi->read_hit_largest, 0); | |
606 | atomic64_set(&sbi->read_hit_cached, 0); | |
727edac5 | 607 | |
d5e8f6c9 | 608 | atomic_set(&sbi->inline_xattr, 0); |
03e14d52 CY |
609 | atomic_set(&sbi->inline_inode, 0); |
610 | atomic_set(&sbi->inline_dir, 0); | |
4c8ff709 | 611 | atomic_set(&sbi->compr_inode, 0); |
ae999bb9 | 612 | atomic64_set(&sbi->compr_blocks, 0); |
8ec071c3 | 613 | atomic_set(&sbi->swapfile_inode, 0); |
b4dac120 | 614 | atomic_set(&sbi->atomic_files, 0); |
b9a2c252 | 615 | atomic_set(&sbi->inplace_count, 0); |
b63e7be5 CY |
616 | for (i = META_CP; i < META_MAX; i++) |
617 | atomic_set(&sbi->meta_count[i], 0); | |
03e14d52 | 618 | |
26a28a0c JK |
619 | atomic_set(&sbi->max_aw_cnt, 0); |
620 | ||
98237fcd | 621 | raw_spin_lock_irqsave(&f2fs_stat_lock, flags); |
66af62ce | 622 | list_add_tail(&si->stat_list, &f2fs_stat_list); |
98237fcd | 623 | raw_spin_unlock_irqrestore(&f2fs_stat_lock, flags); |
66af62ce | 624 | |
902829aa GKH |
625 | return 0; |
626 | } | |
627 | ||
902829aa GKH |
628 | void f2fs_destroy_stats(struct f2fs_sb_info *sbi) |
629 | { | |
963d4f7d | 630 | struct f2fs_stat_info *si = F2FS_STAT(sbi); |
98237fcd | 631 | unsigned long flags; |
902829aa | 632 | |
98237fcd | 633 | raw_spin_lock_irqsave(&f2fs_stat_lock, flags); |
902829aa | 634 | list_del(&si->stat_list); |
98237fcd | 635 | raw_spin_unlock_irqrestore(&f2fs_stat_lock, flags); |
66af62ce | 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 | } |