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); | |
40e1ebe9 | 24 | static struct dentry *f2fs_debugfs_root; |
66af62ce | 25 | static DEFINE_MUTEX(f2fs_stat_mutex); |
902829aa | 26 | |
25ca923b | 27 | static void update_general_status(struct f2fs_sb_info *sbi) |
902829aa | 28 | { |
963d4f7d | 29 | struct f2fs_stat_info *si = F2FS_STAT(sbi); |
04f0b2ea | 30 | struct f2fs_super_block *raw_super = F2FS_RAW_SUPER(sbi); |
902829aa GKH |
31 | int i; |
32 | ||
04f0b2ea QS |
33 | /* these will be changed if online resize is done */ |
34 | si->main_area_segs = le32_to_cpu(raw_super->segment_count_main); | |
35 | si->main_area_sections = le32_to_cpu(raw_super->section_count); | |
36 | si->main_area_zones = si->main_area_sections / | |
37 | le32_to_cpu(raw_super->secs_per_zone); | |
38 | ||
e1c42045 | 39 | /* validation check of the segment numbers */ |
5b7ee374 CY |
40 | si->hit_largest = atomic64_read(&sbi->read_hit_largest); |
41 | si->hit_cached = atomic64_read(&sbi->read_hit_cached); | |
42 | si->hit_rbtree = atomic64_read(&sbi->read_hit_rbtree); | |
029e13cc | 43 | si->hit_total = si->hit_largest + si->hit_cached + si->hit_rbtree; |
5b7ee374 | 44 | si->total_ext = atomic64_read(&sbi->total_hit_ext); |
7441ccef | 45 | si->ext_tree = atomic_read(&sbi->total_ext_tree); |
c00ba554 | 46 | si->zombie_tree = atomic_read(&sbi->total_zombie_tree); |
4bf6fd9f | 47 | si->ext_node = atomic_read(&sbi->total_ext_node); |
902829aa GKH |
48 | si->ndirty_node = get_pages(sbi, F2FS_DIRTY_NODES); |
49 | si->ndirty_dent = get_pages(sbi, F2FS_DIRTY_DENTS); | |
902829aa | 50 | si->ndirty_meta = get_pages(sbi, F2FS_DIRTY_META); |
33fbd510 | 51 | si->ndirty_data = get_pages(sbi, F2FS_DIRTY_DATA); |
2c8a4a28 | 52 | si->ndirty_qdata = get_pages(sbi, F2FS_DIRTY_QDATA); |
5bc994a0 | 53 | si->ndirty_imeta = get_pages(sbi, F2FS_DIRTY_IMETA); |
33fbd510 CY |
54 | si->ndirty_dirs = sbi->ndirty_inode[DIR_INODE]; |
55 | si->ndirty_files = sbi->ndirty_inode[FILE_INODE]; | |
292c196a | 56 | si->nquota_files = sbi->nquota_files; |
0f18b462 | 57 | si->ndirty_all = sbi->ndirty_inode[DIRTY_META]; |
8dcf2ff7 | 58 | si->inmem_pages = get_pages(sbi, F2FS_INMEM_PAGES); |
26a28a0c | 59 | si->aw_cnt = atomic_read(&sbi->aw_cnt); |
648d50ba | 60 | si->vw_cnt = atomic_read(&sbi->vw_cnt); |
26a28a0c | 61 | si->max_aw_cnt = atomic_read(&sbi->max_aw_cnt); |
648d50ba | 62 | si->max_vw_cnt = atomic_read(&sbi->max_vw_cnt); |
02b16d0a CY |
63 | si->nr_dio_read = get_pages(sbi, F2FS_DIO_READ); |
64 | si->nr_dio_write = get_pages(sbi, F2FS_DIO_WRITE); | |
36951b38 CY |
65 | si->nr_wb_cp_data = get_pages(sbi, F2FS_WB_CP_DATA); |
66 | si->nr_wb_data = get_pages(sbi, F2FS_WB_DATA); | |
5f9abab4 JK |
67 | si->nr_rd_data = get_pages(sbi, F2FS_RD_DATA); |
68 | si->nr_rd_node = get_pages(sbi, F2FS_RD_NODE); | |
69 | si->nr_rd_meta = get_pages(sbi, F2FS_RD_META); | |
280fd422 | 70 | if (SM_I(sbi)->fcc_info) { |
8b8dd65f CY |
71 | si->nr_flushed = |
72 | atomic_read(&SM_I(sbi)->fcc_info->issued_flush); | |
73 | si->nr_flushing = | |
72691af6 | 74 | atomic_read(&SM_I(sbi)->fcc_info->queued_flush); |
14d8d5f7 CY |
75 | si->flush_list_empty = |
76 | llist_empty(&SM_I(sbi)->fcc_info->issue_list); | |
8b8dd65f | 77 | } |
280fd422 | 78 | if (SM_I(sbi)->dcc_info) { |
8b8dd65f CY |
79 | si->nr_discarded = |
80 | atomic_read(&SM_I(sbi)->dcc_info->issued_discard); | |
81 | si->nr_discarding = | |
72691af6 | 82 | atomic_read(&SM_I(sbi)->dcc_info->queued_discard); |
5f32366a CY |
83 | si->nr_discard_cmd = |
84 | atomic_read(&SM_I(sbi)->dcc_info->discard_cmd_cnt); | |
d84d1cbd | 85 | si->undiscard_blks = SM_I(sbi)->dcc_info->undiscard_blks; |
8b8dd65f | 86 | } |
902829aa GKH |
87 | si->total_count = (int)sbi->user_block_count / sbi->blocks_per_seg; |
88 | si->rsvd_segs = reserved_segments(sbi); | |
89 | si->overp_segs = overprovision_segments(sbi); | |
90 | si->valid_count = valid_user_blocks(sbi); | |
f83a2584 | 91 | si->discard_blks = discard_blocks(sbi); |
902829aa GKH |
92 | si->valid_node_count = valid_node_count(sbi); |
93 | si->valid_inode_count = valid_inode_count(sbi); | |
d5e8f6c9 | 94 | si->inline_xattr = atomic_read(&sbi->inline_xattr); |
03e14d52 CY |
95 | si->inline_inode = atomic_read(&sbi->inline_inode); |
96 | si->inline_dir = atomic_read(&sbi->inline_dir); | |
a00861db JK |
97 | si->append = sbi->im[APPEND_INO].ino_num; |
98 | si->update = sbi->im[UPDATE_INO].ino_num; | |
652be551 | 99 | si->orphans = sbi->im[ORPHAN_INO].ino_num; |
902829aa GKH |
100 | si->utilization = utilization(sbi); |
101 | ||
102 | si->free_segs = free_segments(sbi); | |
103 | si->free_secs = free_sections(sbi); | |
104 | si->prefree_count = prefree_segments(sbi); | |
105 | si->dirty_count = dirty_segments(sbi); | |
7c77bf7d JK |
106 | if (sbi->node_inode) |
107 | si->node_pages = NODE_MAPPING(sbi)->nrpages; | |
108 | if (sbi->meta_inode) | |
109 | si->meta_pages = META_MAPPING(sbi)->nrpages; | |
902829aa | 110 | si->nats = NM_I(sbi)->nat_cnt; |
dd4e4b59 JK |
111 | si->dirty_nats = NM_I(sbi)->dirty_nat_cnt; |
112 | si->sits = MAIN_SEGS(sbi); | |
113 | si->dirty_sits = SIT_I(sbi)->dirty_sentries; | |
9a4ffdf5 | 114 | si->free_nids = NM_I(sbi)->nid_cnt[FREE_NID]; |
5b0ef73c | 115 | si->avail_nids = NM_I(sbi)->available_nids; |
9a4ffdf5 | 116 | si->alloc_nids = NM_I(sbi)->nid_cnt[PREALLOC_NID]; |
902829aa | 117 | si->bg_gc = sbi->bg_gc; |
274bd9ba CY |
118 | si->io_skip_bggc = sbi->io_skip_bggc; |
119 | si->other_skip_bggc = sbi->other_skip_bggc; | |
2ef79ecb CY |
120 | si->skipped_atomic_files[BG_GC] = sbi->skipped_atomic_files[BG_GC]; |
121 | si->skipped_atomic_files[FG_GC] = sbi->skipped_atomic_files[FG_GC]; | |
902829aa GKH |
122 | si->util_free = (int)(free_user_blocks(sbi) >> sbi->log_blocks_per_seg) |
123 | * 100 / (int)(sbi->user_block_count >> sbi->log_blocks_per_seg) | |
124 | / 2; | |
125 | si->util_valid = (int)(written_block_count(sbi) >> | |
126 | sbi->log_blocks_per_seg) | |
127 | * 100 / (int)(sbi->user_block_count >> sbi->log_blocks_per_seg) | |
128 | / 2; | |
129 | si->util_invalid = 50 - si->util_free - si->util_valid; | |
130 | for (i = CURSEG_HOT_DATA; i <= CURSEG_COLD_NODE; i++) { | |
131 | struct curseg_info *curseg = CURSEG_I(sbi, i); | |
132 | si->curseg[i] = curseg->segno; | |
4ddb1a4d JK |
133 | si->cursec[i] = GET_SEC_FROM_SEG(sbi, curseg->segno); |
134 | si->curzone[i] = GET_ZONE_FROM_SEC(sbi, si->cursec[i]); | |
902829aa GKH |
135 | } |
136 | ||
b63e7be5 CY |
137 | for (i = META_CP; i < META_MAX; i++) |
138 | si->meta_count[i] = atomic_read(&sbi->meta_count[i]); | |
139 | ||
902829aa GKH |
140 | for (i = 0; i < 2; i++) { |
141 | si->segment_count[i] = sbi->segment_count[i]; | |
142 | si->block_count[i] = sbi->block_count[i]; | |
143 | } | |
b9a2c252 CL |
144 | |
145 | si->inplace_count = atomic_read(&sbi->inplace_count); | |
902829aa GKH |
146 | } |
147 | ||
0a8165d7 | 148 | /* |
902829aa GKH |
149 | * This function calculates BDF of every segments |
150 | */ | |
151 | static void update_sit_info(struct f2fs_sb_info *sbi) | |
152 | { | |
963d4f7d | 153 | struct f2fs_stat_info *si = F2FS_STAT(sbi); |
3589a919 JK |
154 | unsigned long long blks_per_sec, hblks_per_sec, total_vblocks; |
155 | unsigned long long bimodal, dist; | |
902829aa GKH |
156 | unsigned int segno, vblocks; |
157 | int ndirty = 0; | |
158 | ||
159 | bimodal = 0; | |
160 | total_vblocks = 0; | |
4ddb1a4d | 161 | blks_per_sec = BLKS_PER_SEC(sbi); |
902829aa | 162 | hblks_per_sec = blks_per_sec / 2; |
7cd8558b | 163 | for (segno = 0; segno < MAIN_SEGS(sbi); segno += sbi->segs_per_sec) { |
302bd348 | 164 | vblocks = get_valid_blocks(sbi, segno, true); |
902829aa GKH |
165 | dist = abs(vblocks - hblks_per_sec); |
166 | bimodal += dist * dist; | |
167 | ||
168 | if (vblocks > 0 && vblocks < blks_per_sec) { | |
169 | total_vblocks += vblocks; | |
170 | ndirty++; | |
171 | } | |
172 | } | |
7beb428e | 173 | dist = div_u64(MAIN_SECS(sbi) * hblks_per_sec * hblks_per_sec, 100); |
1d7e10d5 | 174 | si->bimodal = div64_u64(bimodal, dist); |
902829aa | 175 | if (si->dirty_count) |
7beb428e | 176 | si->avg_vblocks = div_u64(total_vblocks, ndirty); |
902829aa GKH |
177 | else |
178 | si->avg_vblocks = 0; | |
179 | } | |
180 | ||
0a8165d7 | 181 | /* |
902829aa GKH |
182 | * This function calculates memory footprint. |
183 | */ | |
184 | static void update_mem_info(struct f2fs_sb_info *sbi) | |
185 | { | |
963d4f7d | 186 | struct f2fs_stat_info *si = F2FS_STAT(sbi); |
8c402946 | 187 | int i; |
902829aa GKH |
188 | |
189 | if (si->base_mem) | |
190 | goto get_cache; | |
191 | ||
70874fb3 KM |
192 | /* build stat */ |
193 | si->base_mem = sizeof(struct f2fs_stat_info); | |
194 | ||
195 | /* build superblock */ | |
196 | si->base_mem += sizeof(struct f2fs_sb_info) + sbi->sb->s_blocksize; | |
902829aa GKH |
197 | si->base_mem += 2 * sizeof(struct f2fs_inode_info); |
198 | si->base_mem += sizeof(*sbi->ckpt); | |
199 | ||
200 | /* build sm */ | |
201 | si->base_mem += sizeof(struct f2fs_sm_info); | |
202 | ||
203 | /* build sit */ | |
204 | si->base_mem += sizeof(struct sit_info); | |
7cd8558b JK |
205 | si->base_mem += MAIN_SEGS(sbi) * sizeof(struct seg_entry); |
206 | si->base_mem += f2fs_bitmap_size(MAIN_SEGS(sbi)); | |
3e025740 | 207 | si->base_mem += 2 * SIT_VBLOCK_MAP_SIZE * MAIN_SEGS(sbi); |
7d20c8ab | 208 | si->base_mem += SIT_VBLOCK_MAP_SIZE * MAIN_SEGS(sbi); |
60a3b782 | 209 | si->base_mem += SIT_VBLOCK_MAP_SIZE; |
2c70c5e3 | 210 | if (__is_large_section(sbi)) |
7cd8558b | 211 | si->base_mem += MAIN_SECS(sbi) * sizeof(struct sec_entry); |
902829aa GKH |
212 | si->base_mem += __bitmap_size(sbi, SIT_BITMAP); |
213 | ||
214 | /* build free segmap */ | |
215 | si->base_mem += sizeof(struct free_segmap_info); | |
7cd8558b JK |
216 | si->base_mem += f2fs_bitmap_size(MAIN_SEGS(sbi)); |
217 | si->base_mem += f2fs_bitmap_size(MAIN_SECS(sbi)); | |
902829aa GKH |
218 | |
219 | /* build curseg */ | |
220 | si->base_mem += sizeof(struct curseg_info) * NR_CURSEG_TYPE; | |
09cbfeaf | 221 | si->base_mem += PAGE_SIZE * NR_CURSEG_TYPE; |
902829aa GKH |
222 | |
223 | /* build dirty segmap */ | |
224 | si->base_mem += sizeof(struct dirty_seglist_info); | |
7cd8558b JK |
225 | si->base_mem += NR_DIRTY_TYPE * f2fs_bitmap_size(MAIN_SEGS(sbi)); |
226 | si->base_mem += f2fs_bitmap_size(MAIN_SECS(sbi)); | |
902829aa | 227 | |
e1c42045 | 228 | /* build nm */ |
902829aa GKH |
229 | si->base_mem += sizeof(struct f2fs_nm_info); |
230 | si->base_mem += __bitmap_size(sbi, NAT_BITMAP); | |
22ad0b6a | 231 | si->base_mem += (NM_I(sbi)->nat_bits_blocks << F2FS_BLKSIZE_BITS); |
e15d54d5 YH |
232 | si->base_mem += NM_I(sbi)->nat_blocks * |
233 | f2fs_bitmap_size(NAT_ENTRY_PER_BLOCK); | |
4ac91242 | 234 | si->base_mem += NM_I(sbi)->nat_blocks / 8; |
586d1492 | 235 | si->base_mem += NM_I(sbi)->nat_blocks * sizeof(unsigned short); |
902829aa | 236 | |
9066c6a7 CY |
237 | get_cache: |
238 | si->cache_mem = 0; | |
239 | ||
902829aa | 240 | /* build gc */ |
9066c6a7 CY |
241 | if (sbi->gc_thread) |
242 | si->cache_mem += sizeof(struct f2fs_gc_kthread); | |
243 | ||
244 | /* build merge flush thread */ | |
b01a9201 | 245 | if (SM_I(sbi)->fcc_info) |
9066c6a7 | 246 | si->cache_mem += sizeof(struct flush_cmd_control); |
5f32366a | 247 | if (SM_I(sbi)->dcc_info) { |
0b54fb84 | 248 | si->cache_mem += sizeof(struct discard_cmd_control); |
5f32366a CY |
249 | si->cache_mem += sizeof(struct discard_cmd) * |
250 | atomic_read(&SM_I(sbi)->dcc_info->discard_cmd_cnt); | |
251 | } | |
902829aa | 252 | |
902829aa | 253 | /* free nids */ |
9a4ffdf5 CY |
254 | si->cache_mem += (NM_I(sbi)->nid_cnt[FREE_NID] + |
255 | NM_I(sbi)->nid_cnt[PREALLOC_NID]) * | |
b8559dc2 | 256 | sizeof(struct free_nid); |
9066c6a7 | 257 | si->cache_mem += NM_I(sbi)->nat_cnt * sizeof(struct nat_entry); |
6f0aacbc JK |
258 | si->cache_mem += NM_I(sbi)->dirty_nat_cnt * |
259 | sizeof(struct nat_entry_set); | |
260 | si->cache_mem += si->inmem_pages * sizeof(struct inmem_pages); | |
b77061bf | 261 | for (i = 0; i < MAX_INO_ENTRY; i++) |
67298804 | 262 | si->cache_mem += sbi->im[i].ino_num * sizeof(struct ino_entry); |
7441ccef JK |
263 | si->cache_mem += atomic_read(&sbi->total_ext_tree) * |
264 | sizeof(struct extent_tree); | |
4bf6fd9f CY |
265 | si->cache_mem += atomic_read(&sbi->total_ext_node) * |
266 | sizeof(struct extent_node); | |
6f0aacbc JK |
267 | |
268 | si->page_mem = 0; | |
7c77bf7d JK |
269 | if (sbi->node_inode) { |
270 | unsigned npages = NODE_MAPPING(sbi)->nrpages; | |
271 | si->page_mem += (unsigned long long)npages << PAGE_SHIFT; | |
272 | } | |
273 | if (sbi->meta_inode) { | |
274 | unsigned npages = META_MAPPING(sbi)->nrpages; | |
275 | si->page_mem += (unsigned long long)npages << PAGE_SHIFT; | |
276 | } | |
902829aa GKH |
277 | } |
278 | ||
279 | static int stat_show(struct seq_file *s, void *v) | |
280 | { | |
145b04e5 | 281 | struct f2fs_stat_info *si; |
902829aa GKH |
282 | int i = 0; |
283 | int j; | |
284 | ||
66af62ce | 285 | mutex_lock(&f2fs_stat_mutex); |
145b04e5 | 286 | list_for_each_entry(si, &f2fs_stat_list, stat_list) { |
902829aa GKH |
287 | update_general_status(si->sbi); |
288 | ||
b4b153f8 | 289 | seq_printf(s, "\n=====[ partition info(%pg). #%d, %s, CP: %s]=====\n", |
8c11a53f | 290 | si->sbi->sb->s_bdev, i++, |
b4b153f8 | 291 | f2fs_readonly(si->sbi->sb) ? "RO": "RW", |
4354994f DR |
292 | is_set_ckpt_flags(si->sbi, CP_DISABLED_FLAG) ? |
293 | "Disabled": (f2fs_cp_error(si->sbi) ? "Error": "Good")); | |
7880ceed HL |
294 | seq_printf(s, "[SB: 1] [CP: 2] [SIT: %d] [NAT: %d] ", |
295 | si->sit_area_segs, si->nat_area_segs); | |
902829aa GKH |
296 | seq_printf(s, "[SSA: %d] [MAIN: %d", |
297 | si->ssa_area_segs, si->main_area_segs); | |
298 | seq_printf(s, "(OverProv:%d Resv:%d)]\n\n", | |
299 | si->overp_segs, si->rsvd_segs); | |
f83a2584 YH |
300 | if (test_opt(si->sbi, DISCARD)) |
301 | seq_printf(s, "Utilization: %u%% (%u valid blocks, %u discard blocks)\n", | |
302 | si->utilization, si->valid_count, si->discard_blks); | |
303 | else | |
304 | seq_printf(s, "Utilization: %u%% (%u valid blocks)\n", | |
305 | si->utilization, si->valid_count); | |
306 | ||
902829aa GKH |
307 | seq_printf(s, " - Node: %u (Inode: %u, ", |
308 | si->valid_node_count, si->valid_inode_count); | |
309 | seq_printf(s, "Other: %u)\n - Data: %u\n", | |
310 | si->valid_node_count - si->valid_inode_count, | |
311 | si->valid_count - si->valid_node_count); | |
d5e8f6c9 CY |
312 | seq_printf(s, " - Inline_xattr Inode: %u\n", |
313 | si->inline_xattr); | |
0dbdc2ae JK |
314 | seq_printf(s, " - Inline_data Inode: %u\n", |
315 | si->inline_inode); | |
3289c061 JK |
316 | seq_printf(s, " - Inline_dentry Inode: %u\n", |
317 | si->inline_dir); | |
a00861db JK |
318 | seq_printf(s, " - Orphan/Append/Update Inode: %u, %u, %u\n", |
319 | si->orphans, si->append, si->update); | |
902829aa GKH |
320 | seq_printf(s, "\nMain area: %d segs, %d secs %d zones\n", |
321 | si->main_area_segs, si->main_area_sections, | |
322 | si->main_area_zones); | |
323 | seq_printf(s, " - COLD data: %d, %d, %d\n", | |
324 | si->curseg[CURSEG_COLD_DATA], | |
325 | si->cursec[CURSEG_COLD_DATA], | |
326 | si->curzone[CURSEG_COLD_DATA]); | |
327 | seq_printf(s, " - WARM data: %d, %d, %d\n", | |
328 | si->curseg[CURSEG_WARM_DATA], | |
329 | si->cursec[CURSEG_WARM_DATA], | |
330 | si->curzone[CURSEG_WARM_DATA]); | |
331 | seq_printf(s, " - HOT data: %d, %d, %d\n", | |
332 | si->curseg[CURSEG_HOT_DATA], | |
333 | si->cursec[CURSEG_HOT_DATA], | |
334 | si->curzone[CURSEG_HOT_DATA]); | |
335 | seq_printf(s, " - Dir dnode: %d, %d, %d\n", | |
336 | si->curseg[CURSEG_HOT_NODE], | |
337 | si->cursec[CURSEG_HOT_NODE], | |
338 | si->curzone[CURSEG_HOT_NODE]); | |
339 | seq_printf(s, " - File dnode: %d, %d, %d\n", | |
340 | si->curseg[CURSEG_WARM_NODE], | |
341 | si->cursec[CURSEG_WARM_NODE], | |
342 | si->curzone[CURSEG_WARM_NODE]); | |
343 | seq_printf(s, " - Indir nodes: %d, %d, %d\n", | |
344 | si->curseg[CURSEG_COLD_NODE], | |
345 | si->cursec[CURSEG_COLD_NODE], | |
346 | si->curzone[CURSEG_COLD_NODE]); | |
347 | seq_printf(s, "\n - Valid: %d\n - Dirty: %d\n", | |
348 | si->main_area_segs - si->dirty_count - | |
349 | si->prefree_count - si->free_segs, | |
350 | si->dirty_count); | |
351 | seq_printf(s, " - Prefree: %d\n - Free: %d (%d)\n\n", | |
352 | si->prefree_count, si->free_segs, si->free_secs); | |
42190d2a JK |
353 | seq_printf(s, "CP calls: %d (BG: %d)\n", |
354 | si->cp_count, si->bg_cp_count); | |
b63e7be5 CY |
355 | seq_printf(s, " - cp blocks : %u\n", si->meta_count[META_CP]); |
356 | seq_printf(s, " - sit blocks : %u\n", | |
357 | si->meta_count[META_SIT]); | |
358 | seq_printf(s, " - nat blocks : %u\n", | |
359 | si->meta_count[META_NAT]); | |
360 | seq_printf(s, " - ssa blocks : %u\n", | |
361 | si->meta_count[META_SSA]); | |
902829aa GKH |
362 | seq_printf(s, "GC calls: %d (BG: %d)\n", |
363 | si->call_count, si->bg_gc); | |
e1235983 CL |
364 | seq_printf(s, " - data segments : %d (%d)\n", |
365 | si->data_segs, si->bg_data_segs); | |
366 | seq_printf(s, " - node segments : %d (%d)\n", | |
367 | si->node_segs, si->bg_node_segs); | |
368 | seq_printf(s, "Try to move %d blocks (BG: %d)\n", si->tot_blks, | |
369 | si->bg_data_blks + si->bg_node_blks); | |
370 | seq_printf(s, " - data blocks : %d (%d)\n", si->data_blks, | |
371 | si->bg_data_blks); | |
372 | seq_printf(s, " - node blocks : %d (%d)\n", si->node_blks, | |
373 | si->bg_node_blks); | |
2ef79ecb CY |
374 | seq_printf(s, "Skipped : atomic write %llu (%llu)\n", |
375 | si->skipped_atomic_files[BG_GC] + | |
376 | si->skipped_atomic_files[FG_GC], | |
377 | si->skipped_atomic_files[BG_GC]); | |
274bd9ba CY |
378 | seq_printf(s, "BG skip : IO: %u, Other: %u\n", |
379 | si->io_skip_bggc, si->other_skip_bggc); | |
029e13cc | 380 | seq_puts(s, "\nExtent Cache:\n"); |
5b7ee374 | 381 | seq_printf(s, " - Hit Count: L1-1:%llu L1-2:%llu L2:%llu\n", |
91c481ff | 382 | si->hit_largest, si->hit_cached, |
029e13cc | 383 | si->hit_rbtree); |
5b7ee374 | 384 | seq_printf(s, " - Hit Ratio: %llu%% (%llu / %llu)\n", |
029e13cc | 385 | !si->total_ext ? 0 : |
5b7ee374 | 386 | div64_u64(si->hit_total * 100, si->total_ext), |
029e13cc | 387 | si->hit_total, si->total_ext); |
c00ba554 JK |
388 | seq_printf(s, " - Inner Struct Count: tree: %d(%d), node: %d\n", |
389 | si->ext_tree, si->zombie_tree, si->ext_node); | |
6c311ec6 | 390 | seq_puts(s, "\nBalancing F2FS Async:\n"); |
02b16d0a CY |
391 | seq_printf(s, " - DIO (R: %4d, W: %4d)\n", |
392 | si->nr_dio_read, si->nr_dio_write); | |
5f9abab4 JK |
393 | seq_printf(s, " - IO_R (Data: %4d, Node: %4d, Meta: %4d\n", |
394 | si->nr_rd_data, si->nr_rd_node, si->nr_rd_meta); | |
395 | seq_printf(s, " - IO_W (CP: %4d, Data: %4d, Flush: (%4d %4d %4d), " | |
d84d1cbd | 396 | "Discard: (%4d %4d)) cmd: %4d undiscard:%4u\n", |
dcc9165d | 397 | si->nr_wb_cp_data, si->nr_wb_data, |
8b8dd65f | 398 | si->nr_flushing, si->nr_flushed, |
14d8d5f7 | 399 | si->flush_list_empty, |
5f32366a | 400 | si->nr_discarding, si->nr_discarded, |
d84d1cbd | 401 | si->nr_discard_cmd, si->undiscard_blks); |
648d50ba CY |
402 | seq_printf(s, " - inmem: %4d, atomic IO: %4d (Max. %4d), " |
403 | "volatile IO: %4d (Max. %4d)\n", | |
404 | si->inmem_pages, si->aw_cnt, si->max_aw_cnt, | |
405 | si->vw_cnt, si->max_vw_cnt); | |
35782b23 | 406 | seq_printf(s, " - nodes: %4d in %4d\n", |
902829aa | 407 | si->ndirty_node, si->node_pages); |
35782b23 | 408 | seq_printf(s, " - dents: %4d in dirs:%4d (%4d)\n", |
0f18b462 | 409 | si->ndirty_dent, si->ndirty_dirs, si->ndirty_all); |
35782b23 | 410 | seq_printf(s, " - datas: %4d in files:%4d\n", |
33fbd510 | 411 | si->ndirty_data, si->ndirty_files); |
2c8a4a28 JK |
412 | seq_printf(s, " - quota datas: %4d in quota files:%4d\n", |
413 | si->ndirty_qdata, si->nquota_files); | |
35782b23 | 414 | seq_printf(s, " - meta: %4d in %4d\n", |
902829aa | 415 | si->ndirty_meta, si->meta_pages); |
35782b23 | 416 | seq_printf(s, " - imeta: %4d\n", |
5bc994a0 | 417 | si->ndirty_imeta); |
dd4e4b59 JK |
418 | seq_printf(s, " - NATs: %9d/%9d\n - SITs: %9d/%9d\n", |
419 | si->dirty_nats, si->nats, si->dirty_sits, si->sits); | |
5b0ef73c JK |
420 | seq_printf(s, " - free_nids: %9d/%9d\n - alloc_nids: %9d\n", |
421 | si->free_nids, si->avail_nids, si->alloc_nids); | |
2d219c51 GZ |
422 | seq_puts(s, "\nDistribution of User Blocks:"); |
423 | seq_puts(s, " [ valid | invalid | free ]\n"); | |
424 | seq_puts(s, " ["); | |
902829aa GKH |
425 | |
426 | for (j = 0; j < si->util_valid; j++) | |
2d219c51 GZ |
427 | seq_putc(s, '-'); |
428 | seq_putc(s, '|'); | |
902829aa GKH |
429 | |
430 | for (j = 0; j < si->util_invalid; j++) | |
2d219c51 GZ |
431 | seq_putc(s, '-'); |
432 | seq_putc(s, '|'); | |
902829aa GKH |
433 | |
434 | for (j = 0; j < si->util_free; j++) | |
2d219c51 GZ |
435 | seq_putc(s, '-'); |
436 | seq_puts(s, "]\n\n"); | |
b9a2c252 | 437 | seq_printf(s, "IPU: %u blocks\n", si->inplace_count); |
902829aa GKH |
438 | seq_printf(s, "SSR: %u blocks in %u segments\n", |
439 | si->block_count[SSR], si->segment_count[SSR]); | |
440 | seq_printf(s, "LFS: %u blocks in %u segments\n", | |
441 | si->block_count[LFS], si->segment_count[LFS]); | |
442 | ||
443 | /* segment usage info */ | |
444 | update_sit_info(si->sbi); | |
445 | seq_printf(s, "\nBDF: %u, avg. vblocks: %u\n", | |
446 | si->bimodal, si->avg_vblocks); | |
447 | ||
448 | /* memory footprint */ | |
449 | update_mem_info(si->sbi); | |
9edcdabf | 450 | seq_printf(s, "\nMemory: %llu KB\n", |
6f0aacbc | 451 | (si->base_mem + si->cache_mem + si->page_mem) >> 10); |
9edcdabf | 452 | seq_printf(s, " - static: %llu KB\n", |
6f0aacbc | 453 | si->base_mem >> 10); |
9edcdabf | 454 | seq_printf(s, " - cached: %llu KB\n", |
6f0aacbc | 455 | si->cache_mem >> 10); |
9edcdabf | 456 | seq_printf(s, " - paged : %llu KB\n", |
6f0aacbc | 457 | si->page_mem >> 10); |
902829aa | 458 | } |
66af62ce | 459 | mutex_unlock(&f2fs_stat_mutex); |
902829aa GKH |
460 | return 0; |
461 | } | |
462 | ||
155c62fe | 463 | DEFINE_SHOW_ATTRIBUTE(stat); |
902829aa | 464 | |
4589d25d | 465 | int f2fs_build_stats(struct f2fs_sb_info *sbi) |
902829aa GKH |
466 | { |
467 | struct f2fs_super_block *raw_super = F2FS_RAW_SUPER(sbi); | |
468 | struct f2fs_stat_info *si; | |
b63e7be5 | 469 | int i; |
902829aa | 470 | |
acbf054d | 471 | si = f2fs_kzalloc(sbi, sizeof(struct f2fs_stat_info), GFP_KERNEL); |
963d4f7d | 472 | if (!si) |
902829aa GKH |
473 | return -ENOMEM; |
474 | ||
902829aa GKH |
475 | si->all_area_segs = le32_to_cpu(raw_super->segment_count); |
476 | si->sit_area_segs = le32_to_cpu(raw_super->segment_count_sit); | |
477 | si->nat_area_segs = le32_to_cpu(raw_super->segment_count_nat); | |
478 | si->ssa_area_segs = le32_to_cpu(raw_super->segment_count_ssa); | |
479 | si->main_area_segs = le32_to_cpu(raw_super->segment_count_main); | |
480 | si->main_area_sections = le32_to_cpu(raw_super->section_count); | |
481 | si->main_area_zones = si->main_area_sections / | |
482 | le32_to_cpu(raw_super->secs_per_zone); | |
483 | si->sbi = sbi; | |
963d4f7d | 484 | sbi->stat_info = si; |
66af62ce | 485 | |
5b7ee374 CY |
486 | atomic64_set(&sbi->total_hit_ext, 0); |
487 | atomic64_set(&sbi->read_hit_rbtree, 0); | |
488 | atomic64_set(&sbi->read_hit_largest, 0); | |
489 | atomic64_set(&sbi->read_hit_cached, 0); | |
727edac5 | 490 | |
d5e8f6c9 | 491 | atomic_set(&sbi->inline_xattr, 0); |
03e14d52 CY |
492 | atomic_set(&sbi->inline_inode, 0); |
493 | atomic_set(&sbi->inline_dir, 0); | |
b9a2c252 | 494 | atomic_set(&sbi->inplace_count, 0); |
b63e7be5 CY |
495 | for (i = META_CP; i < META_MAX; i++) |
496 | atomic_set(&sbi->meta_count[i], 0); | |
03e14d52 | 497 | |
26a28a0c | 498 | atomic_set(&sbi->aw_cnt, 0); |
648d50ba | 499 | atomic_set(&sbi->vw_cnt, 0); |
26a28a0c | 500 | atomic_set(&sbi->max_aw_cnt, 0); |
648d50ba | 501 | atomic_set(&sbi->max_vw_cnt, 0); |
26a28a0c | 502 | |
66af62ce | 503 | mutex_lock(&f2fs_stat_mutex); |
504 | list_add_tail(&si->stat_list, &f2fs_stat_list); | |
505 | mutex_unlock(&f2fs_stat_mutex); | |
506 | ||
902829aa GKH |
507 | return 0; |
508 | } | |
509 | ||
902829aa GKH |
510 | void f2fs_destroy_stats(struct f2fs_sb_info *sbi) |
511 | { | |
963d4f7d | 512 | struct f2fs_stat_info *si = F2FS_STAT(sbi); |
902829aa | 513 | |
66af62ce | 514 | mutex_lock(&f2fs_stat_mutex); |
902829aa | 515 | list_del(&si->stat_list); |
66af62ce | 516 | mutex_unlock(&f2fs_stat_mutex); |
517 | ||
5222595d | 518 | kvfree(si); |
902829aa GKH |
519 | } |
520 | ||
c20e57b3 | 521 | void __init f2fs_create_root_stats(void) |
4589d25d | 522 | { |
40e1ebe9 | 523 | f2fs_debugfs_root = debugfs_create_dir("f2fs", NULL); |
c524723e | 524 | |
c20e57b3 GKH |
525 | debugfs_create_file("status", S_IRUGO, f2fs_debugfs_root, NULL, |
526 | &stat_fops); | |
4589d25d NJ |
527 | } |
528 | ||
529 | void f2fs_destroy_root_stats(void) | |
902829aa | 530 | { |
40e1ebe9 YL |
531 | debugfs_remove_recursive(f2fs_debugfs_root); |
532 | f2fs_debugfs_root = NULL; | |
902829aa | 533 | } |