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SubjectRe: [PATCH] concurrent inode allocation for ext2 against 2.5.64
On Sun, Mar 16, 2003 at 12:01:38AM +0300, Alex Tomas wrote:
> here is the patch for ext2 concurrent inode allocation. should be applied
> on top of previous concurrent-balloc patch. tested on dual p3 for several
> hours of stress-test + fsck. hope someone test it on big iron ;)

32x/48GB NUMA-Q

Throughput 257.986 MB/sec 128 procs
dbench 128 95.36s user 4833.06s system 2832% cpu 2:53.97 total

vma samples %-age symbol name
c01dc9ac 4532033 21.4566 .text.lock.dec_and_lock
c0169c0b 3835802 18.1603 .text.lock.dcache
c0106ff4 1741849 8.24666 default_idle
c0264fe0 1506547 7.13264 sync_buffer
c01dc920 1344198 6.36401 atomic_dec_and_lock
c01dc7c0 1059649 5.01683 __copy_to_user_ll
c015142c 468551 2.21832 vfs_read
c01dc828 405337 1.91904 __copy_from_user_ll
c02651b0 305363 1.44572 add_event_entry
c01688dc 305154 1.44473 d_instantiate
c015272a 241552 1.14361 .text.lock.file_table
c0168d3c 231119 1.09422 d_lookup
c0119ddc 219611 1.03973 scheduler_tick
c01686a0 213012 1.00849 d_alloc
c015f66c 199435 0.94421 path_lookup
c0152530 185470 0.878094 file_move
c0152334 184847 0.875145 __fput
c015162c 180988 0.856874 vfs_write
c011fb0c 177776 0.841668 profile_hook
c0167e78 165423 0.783183 prune_dcache
c0264ef8 154338 0.730702 add_sample
c01677b8 151599 0.717734 dput
c0169234 149571 0.708133 d_rehash
c0122960 134989 0.639096 current_kernel_time
c0119890 134442 0.636506 load_balance


procs -----------memory---------- ---swap-- -----io---- --system-- ----cpu----
r b swpd free buff cache si so bi bo in cs us sy id wa
1 0 0 49095776 4928 27296 0 0 2 0 33 2 0 0 100 0
0 0 0 49092768 4960 27552 0 0 80 0 1028 50 0 0 100 0
7 0 0 49059424 4960 27616 0 0 16 0 1029 221 0 1 99 0
1 0 0 49055008 4960 27616 0 0 0 0 1026 39 0 0 100 0
133 17 0 48628832 24672 342528 0 0 344 0 1059 6752 4 76 17 4
151 17 0 48356064 49888 580608 0 0 444 0 925 144 8 92 0 0
151 21 0 48115424 73952 783968 0 0 488 0 993 257 9 90 0 1
139 25 0 47834816 101248 1026272 0 0 460 0 1013 378 5 95 0 0
142 22 0 47626176 122208 1206304 0 0 720 0 1019 265 6 94 0 0
87 13 0 47268832 150624 1564096 0 0 1084 0 1150 1809 2 88 1 9
0 0 0 47327264 150880 1564960 0 0 28 0 1079 374 0 4 96 0
0 0 0 47331040 150880 1564960 0 0 0 0 1030 69 0 0 100 0
0 0 0 47329824 150880 1565088 0 0 0 0 1025 21 0 0 100 0
0 0 0 47329824 150880 1565088 0 0 0 0 1026 20 0 0 100 0
0 0 0 47329696 150880 1565120 0 0 0 0 1025 22 0 0 100 0
0 0 0 47330144 150880 1565152 0 0 0 0 1040 58 0 0 100 0
0 0 0 47330016 150880 1565184 0 0 28 0 1033 40 0 0 100 0
0 0 0 47329952 150880 1565216 0 0 0 0 1030 33 0 0 100 0
0 0 0 47329952 150880 1565216 0 0 0 0 1051 93 0 0 100 0
0 0 0 47330144 150880 1565216 0 0 0 0 1027 22 0 0 100 0
0 0 0 47330144 150880 1565216 0 0 0 0 1044 62 0 0 100 0
procs -----------memory---------- ---swap-- -----io---- --system-- ----cpu----
r b swpd free buff cache si so bi bo in cs us sy id wa
1 0 0 47330144 150880 1565248 0 0 0 0 1039 103 0 0 100 0
0 0 0 47330144 150880 1565248 0 0 0 0 1034 28 0 0 100 0
0 0 0 47330400 150912 1565280 0 0 8 0 1043 60 0 0 100 0
0 0 0 47330400 150912 1565280 0 0 0 0 1025 22 0 0 100 0
0 0 0 47330400 150912 1565280 0 0 0 0 1032 43 0 0 100 0
0 0 0 47330400 150912 1565280 0 0 0 0 1029 32 0 0 100 0
5 0 0 47328544 150912 1565344 0 0 4 0 1032 49 0 0 100 0
0 0 0 47296224 150912 1565344 0 0 0 0 1026 257 0 1 99 0
12 1 0 47129952 150912 1565408 0 0 4 0 1025 1506 2 21 77 0
41 1 0 46885216 173728 1857312 0 0 136 0 1013 1233 2 42 54 2
51 2 0 46698976 194240 2019328 0 0 72 0 996 118 10 85 6 0
62 3 0 46523360 216576 2169952 0 0 140 0 1123 112 10 89 0 1
59 4 0 46364064 235136 2306176 0 0 392 0 1209 177 9 91 0 0
51 5 0 46216288 252224 2433792 0 0 316 0 983 130 5 94 0 0
60 1 0 46053024 268448 2578720 0 0 276 0 1050 221 2 98 0 0
77 1 0 45922400 281376 2698528 0 0 248 0 1052 229 3 97 0 0
96 5 0 45632288 307648 2961568 0 0 248 0 1047 277 3 97 0 0
114 5 0 45373024 335776 3192096 0 0 176 0 1059 346 2 98 0 0
110 2 0 45211424 355840 3330720 0 0 68 0 1042 241 2 98 0 0
111 7 0 45117216 367744 3410240 0 0 44 0 1036 223 1 99 0 0
127 1 0 44932320 384096 3579360 0 0 52 0 1298 501 2 98 0 0
procs -----------memory---------- ---swap-- -----io---- --system-- ----cpu----
r b swpd free buff cache si so bi bo in cs us sy id wa
129 3 0 44775584 401280 3718752 0 0 72 0 1043 305 2 98 0 0
127 1 0 44657376 416512 3818784 0 0 60 0 1044 223 2 98 0 0
127 1 0 44554784 430304 3905664 0 0 56 0 1043 227 2 98 0 0
100 25 0 44485600 440736 3962816 0 0 40 0 1035 243 2 98 0 0
123 19 0 44390144 451712 4045696 0 0 32 0 1034 216 2 98 0 0
124 7 0 44269792 464192 4150816 0 0 32 0 1033 212 2 98 0 0
125 0 0 44189792 473280 4220160 0 0 32 0 1038 220 3 97 0 0
123 1 0 44147296 478816 4255712 0 0 28 0 1031 217 2 98 0 0
126 0 0 44147552 483072 4249472 0 0 12 0 1035 194 2 98 0 0
125 0 0 44157472 485888 4235264 0 0 0 0 1029 188 2 98 0 0
127 0 0 44205536 489184 4182304 0 0 0 0 1018 198 1 99 0 0
121 0 0 44223776 491328 4162272 0 0 0 0 1029 220 1 99 0 0
122 0 0 44231584 493504 4152736 0 0 0 0 1025 321 1 99 0 0
119 0 0 44241952 496544 4137760 0 0 0 0 1031 238 2 98 0 0
121 0 0 44228640 499904 4148128 0 0 0 0 1022 193 2 98 0 0
120 0 0 44213024 502880 4161152 0 0 0 0 1028 195 2 98 0 0
123 0 0 44234400 505280 4135968 0 0 0 0 1026 174 2 98 0 0
116 0 0 44222304 507328 4147360 0 0 0 0 1026 207 1 99 0 0
118 0 0 44215264 509792 4153216 0 0 0 0 1035 236 2 98 0 0
118 0 0 44218336 512960 4146592 0 0 0 0 1023 192 2 98 0 0
120 0 0 44219552 516192 4141984 0 0 8 0 1023 202 2 98 0 0
procs -----------memory---------- ---swap-- -----io---- --system-- ----cpu----
r b swpd free buff cache si so bi bo in cs us sy id wa
118 0 0 44234848 518304 4124768 0 0 0 0 1032 202 1 99 0 0
118 0 0 44224480 522400 4133024 0 0 0 0 1023 239 2 98 0 0
116 0 0 44248544 525504 4105376 0 0 0 0 1034 253 2 98 0 0
118 0 0 44226720 529152 4124640 0 0 0 0 1018 241 1 98 0 0
116 1 0 44202912 533920 4143808 0 0 8 0 1028 207 2 98 0 0
115 0 0 44180192 538080 4162208 0 0 12 0 1029 217 2 98 0 0
114 0 0 44169632 541760 4169536 0 0 8 0 1035 211 2 98 0 0
117 0 0 44161696 545312 4174048 0 0 0 0 1020 198 2 98 0 0
117 0 0 44183264 548640 4149696 0 0 0 0 1030 205 2 98 0 0
119 0 0 44173792 551328 4155936 0 0 0 0 1025 192 2 98 0 0
115 0 0 44184736 553344 4143680 0 0 0 0 1026 211 1 99 0 0
115 0 0 44173216 555840 4154048 0 0 0 0 1028 245 2 98 0 0
115 0 0 44158112 558912 4166176 0 0 0 0 1025 208 2 98 0 0
117 0 0 44173216 561888 4146144 0 0 0 0 1036 239 2 98 0 0
113 0 0 44169888 564128 4148992 0 0 0 0 1019 259 1 99 0 0
114 0 0 44162016 566304 4156160 0 0 0 0 1026 232 2 98 0 0
113 0 0 44171936 568864 4142912 0 0 0 0 1035 241 2 98 0 0
114 0 0 44185376 570656 4127296 0 0 4 0 1023 237 2 98 0 0
112 0 0 44209056 572064 4102080 0 0 0 0 1027 234 2 98 0 0
114 0 0 44255392 573504 4055296 0 0 0 0 1025 223 2 98 0 0
115 0 0 44264544 574720 4044608 0 0 0 0 1030 242 1 99 0 0
procs -----------memory---------- ---swap-- -----io---- --system-- ----cpu----
r b swpd free buff cache si so bi bo in cs us sy id wa
99 0 0 44282656 575936 4026048 0 0 0 0 1036 258 1 99 0 0
111 0 0 44282656 578144 4025920 0 0 0 0 1024 273 2 98 0 0
111 0 0 44285920 580864 4019616 0 0 0 0 1043 240 2 98 0 0
111 0 0 44269856 583712 4032864 0 0 0 0 1031 209 2 98 0 0
112 0 0 44290080 586112 4009312 0 0 0 0 1027 253 2 98 0 0
111 0 0 44320608 588128 3977472 0 0 0 0 1025 222 1 99 0 0
104 0 0 44324704 590816 3971520 0 0 0 0 1028 253 1 98 0 0
108 0 0 44302048 593184 3994496 0 0 0 0 1027 247 2 98 0 0
109 0 0 44299360 596672 3993216 0 0 0 0 1025 210 2 98 0 0
108 0 0 44286176 600288 4002336 0 0 0 0 1037 213 2 98 0 0
107 0 0 44288352 603168 3996960 0 0 0 0 1016 211 2 98 0 0
106 0 0 44296288 605280 3988032 0 0 0 0 1040 216 2 98 0 0
108 0 0 44316128 606560 3966656 0 0 0 0 1017 201 2 98 0 0
106 0 0 44316384 607840 3965248 0 0 0 0 1033 225 1 99 0 0
104 0 0 44332896 609152 3947616 0 0 0 0 1024 229 1 99 0 0
108 0 0 44339104 611040 3940448 0 0 0 0 1019 234 2 98 0 0
107 0 0 44352224 612608 3925536 0 0 0 0 1044 217 1 99 0 0
104 0 0 44357984 614176 3918752 0 0 0 0 1018 277 2 98 0 0
107 0 0 44373216 616352 3902240 0 0 0 0 1022 227 2 98 0 0
105 0 0 44384416 617792 3889600 0 0 0 0 1025 206 1 99 0 0
105 1 0 44388448 618080 3886304 0 0 0 744 1093 254 2 98 0 0
procs -----------memory---------- ---swap-- -----io---- --system-- ----cpu----
r b swpd free buff cache si so bi bo in cs us sy id wa
106 1 0 44387232 615104 3889568 0 0 0 976 1267 242 2 98 0 0
102 0 0 44432800 612320 3846560 0 0 0 536 1271 240 2 98 0 0
98 0 0 44429152 614048 3849632 0 0 0 0 1042 221 1 98 0 0
102 0 0 44428576 616352 3849760 0 0 0 0 1020 247 2 98 0 0
102 0 0 44431648 618240 3844992 0 0 0 0 1028 207 2 98 0 0
105 1 0 44471776 613888 3809248 0 0 0 1108 1202 236 2 98 0 0
99 0 0 44484960 613024 3797696 0 0 0 288 1198 237 1 99 0 0
101 0 0 44475424 615648 3804032 0 0 0 0 1030 279 2 98 0 0
100 0 0 44463520 618656 3814432 0 0 0 0 1024 227 2 98 0 0
99 1 0 44473696 613856 3808416 0 0 0 1452 1257 276 2 98 0 0
100 0 0 44488160 614240 3793568 0 0 0 256 1216 230 2 98 0 0
101 0 0 44483296 616416 3797504 0 0 0 0 1028 215 2 98 0 0
100 0 0 44509664 618304 3769120 0 0 0 0 1043 223 2 98 0 0
99 0 0 44550752 615392 3730208 0 0 0 1056 1148 250 1 98 0 0
99 0 0 44553056 611808 3731232 0 0 0 468 1243 233 1 99 0 0
96 0 0 44557408 613568 3727232 0 0 0 0 1040 286 2 98 0 0
98 0 0 44575904 615680 3706176 0 0 0 0 1026 204 2 98 0 0
97 0 0 44580064 617024 3700992 0 0 0 0 1024 206 1 99 0 0
69 1 0 44577888 614784 3705728 0 0 0 824 1112 295 1 98 0 0
70 0 0 44595104 612032 3691936 0 0 0 788 1270 288 2 98 0 0
70 0 0 44599840 613408 3686592 0 0 0 0 1092 191 2 98 0 0
procs -----------memory---------- ---swap-- -----io---- --system-- ----cpu----
r b swpd free buff cache si so bi bo in cs us sy id wa
72 0 0 44628832 615104 3656480 0 0 0 0 1026 198 2 98 0 0
68 0 0 44639392 617216 3642688 0 0 0 0 1027 187 2 98 0 0
68 1 0 44641312 612448 3645952 0 0 0 1032 1159 232 2 98 0 0
68 0 0 44642080 613120 3644416 0 0 0 64 1169 213 2 98 0 0
70 0 0 44636832 614592 3647520 0 0 0 0 1023 194 2 98 0 0
67 0 0 44683360 616224 3598656 0 0 0 0 1026 195 2 98 0 0
67 1 0 44696224 613152 3589056 0 0 0 976 1143 228 2 98 0 0
68 0 0 44709728 610080 3578208 0 0 0 464 1255 227 2 98 0 0
66 0 0 44748512 611424 3538208 0 0 0 0 1033 193 2 98 0 0
62 0 0 44761184 613888 3520960 0 0 0 0 1038 243 2 97 1 0
63 0 0 44754848 615264 3527328 0 0 0 0 1016 197 2 98 0 0
63 1 0 44782240 609792 3503552 0 0 0 1356 1237 239 2 98 0 0
63 0 0 44796576 609920 3489504 0 0 0 224 1204 218 2 98 0 0
63 0 0 44808928 611072 3476576 0 0 0 0 1024 195 2 98 0 0
66 0 0 44799136 613248 3484448 0 0 0 0 1026 179 2 98 0 0
62 1 0 44787232 608928 3500032 0 0 0 996 1153 232 2 98 0 0
65 0 0 44796128 609312 3490240 0 0 0 204 1202 205 2 98 0 0
60 0 0 44844640 610304 3440576 0 0 0 0 1025 183 2 98 1 0
58 0 0 44872032 611392 3411232 0 0 0 0 1029 191 2 98 0 0
60 0 0 44902880 612224 3379968 0 0 0 0 1024 173 2 98 0 0
58 1 0 44929056 609088 3356160 0 0 0 616 1058 192 2 98 0 0
procs -----------memory---------- ---swap-- -----io---- --system-- ----cpu----
r b swpd free buff cache si so bi bo in cs us sy id wa
58 1 0 44946208 607232 3340672 0 0 4 688 1262 258 2 98 0 0
56 0 0 44946848 608224 3338432 0 0 4 0 1081 204 2 98 0 0
53 0 0 44939040 609216 3344768 0 0 0 0 1028 174 2 98 0 0
54 1 0 44961440 610144 3321472 0 0 40 0 1035 194 2 98 0 0
53 0 0 45005600 611008 3275968 0 0 8 0 1029 167 2 98 0 0
51 1 0 45035808 612064 3245344 0 0 40 0 1038 189 2 97 0 0
53 1 0 45012384 605952 3274176 0 0 16 1188 1259 187 2 98 0 0
52 1 0 45059168 607200 3225312 0 0 20 0 1100 159 2 98 0 0
49 0 0 45082656 608192 3201120 0 0 20 0 1032 158 2 97 0 0
48 0 0 45105440 608896 3177408 0 0 0 0 1033 119 2 98 0 0
48 0 0 45157152 609376 3124960 0 0 0 0 1019 109 2 98 0 0
47 3 0 45198112 606464 3085984 0 0 52 516 1047 145 2 98 0 0
44 3 0 45223072 606080 3060128 0 0 32 876 1276 226 2 98 0 0
45 1 0 45248032 605792 3035712 0 0 36 68 1150 179 2 98 0 0
42 1 0 45258080 607584 3024096 0 0 64 0 1044 146 2 98 0 0
41 0 0 45307360 608928 2971872 0 0 92 0 1046 209 2 97 1 0
38 3 0 45343264 605600 2939584 0 0 20 900 1137 106 2 98 0 0
36 2 0 45341920 603456 2943168 0 0 20 356 1235 170 2 97 0 0
35 1 0 45377568 605408 2905408 0 0 152 0 1075 220 2 98 0 0
33 3 0 45410208 607968 2869504 0 0 184 0 1066 248 2 97 0 1
32 4 0 45462816 604896 2819904 0 0 160 1124 1216 1102 2 92 0 5
procs -----------memory---------- ---swap-- -----io---- --system-- ----cpu----
r b swpd free buff cache si so bi bo in cs us sy id wa
29 3 0 45483360 602976 2800448 0 0 72 400 1248 742 2 88 3 7
29 2 0 45538016 606016 2741984 0 0 268 0 1113 788 2 87 7 4
24 5 0 45599776 605152 2680224 0 0 292 816 1175 1267 2 75 14 9
22 6 0 45601952 601824 2681152 0 0 12 656 1289 941 2 69 15 14
22 4 0 45679968 605984 2596672 0 0 456 0 1167 2593 2 63 22 13
14 8 0 45757792 601600 2522816 0 0 252 1068 1231 2940 2 48 31 19
38 2 0 45771040 601440 2515968 0 0 64 68 1197 943 2 63 26 10
45 2 0 45826784 604416 2471168 0 0 300 0 1099 679 1 98 0 0
41 0 0 45937952 608064 2359872 0 0 420 0 1129 944 1 98 0 0
35 0 0 45973856 609088 2325472 0 0 24 0 1034 95 2 94 4 0
31 0 0 45994592 611776 2300832 0 0 216 0 1080 240 2 93 4 1
26 2 0 46052256 605024 2248672 0 0 268 404 1185 780 2 84 10 4
27 0 0 46096608 607776 2202336 0 0 260 0 1093 370 2 78 18 2
27 1 0 46112864 609568 2182944 0 0 144 0 1060 166 2 74 23 1
24 0 0 46137504 611264 2157024 0 0 160 0 1069 201 2 72 25 1
24 0 0 46138272 611488 2155872 0 0 0 0 1026 30 2 69 29 0
23 1 0 46155744 612896 2135936 0 0 152 0 1061 217 2 69 28 1
23 0 0 46168224 613344 2123136 0 0 28 0 1034 73 2 68 30 0
20 0 0 46213664 607584 2083200 0 0 336 980 1282 438 2 64 31 3
18 1 0 46253152 609760 2041632 0 0 264 0 1126 348 2 56 40 2
18 0 0 46279584 611680 2013344 0 0 220 0 1082 249 2 52 45 1
procs -----------memory---------- ---swap-- -----io---- --system-- ----cpu----
r b swpd free buff cache si so bi bo in cs us sy id wa
17 0 0 46293280 612032 1998816 0 0 40 0 1040 81 2 49 49 0
15 0 0 46335456 606752 1962336 0 0 220 440 1170 466 2 44 52 2
13 0 0 46372704 608256 1922880 0 0 184 0 1079 291 1 38 59 1
14 1 0 46438432 611264 1861312 0 0 352 0 1113 1133 1 39 55 5
13 1 0 46491360 613600 1806592 0 0 280 0 1096 463 1 38 58 2
10 3 0 46580704 609184 1757312 0 0 320 948 1272 1719 1 30 63 5
3 4 0 46682336 613856 1674304 0 0 596 0 1197 3547 2 13 67 17
3 1 0 46788832 611232 1574912 0 0 480 188 1197 1748 1 5 84 11
0 0 0 46804960 611680 1562208 0 0 56 0 1045 81 0 0 99 0
0 0 0 46805088 611680 1562208 0 0 0 0 1026 24 0 0 100 0
1 0 0 46805088 611680 1562208 0 0 0 0 1025 25 0 0 100 0
0 0 0 46805088 611680 1562208 0 0 0 0 1027 17 0 0 100 0
0 0 0 46805088 611680 1562208 0 0 0 0 1025 24 0 0 100 0
1 0 0 46800416 611808 1562304 0 0 76 0 1035 150 0 1 98 0
0 0 0 46804384 611936 1562400 0 0 32 0 1035 64 0 0 99 0
0 0 0 46804384 611936 1562400 0 0 0 0 1025 18 0 0 100 0
0 0 0 46804384 611936 1562400 0 0 0 0 1026 18 0 0 100 0
0 0 0 46804576 611936 1562400 0 0 0 0 1027 44 0 0 100 0
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