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Subject[PATCH 0/6] numa-balancing patches
Date
This patchset based on current tip/sched/core, provides left out patches
from the previous series. This version handles the comments given to some of
the patches. It drops "sched/numa: Restrict migrating in parallel to the same
node." It adds an additional patch from Mel Gorman.
It also provides specjbb2005 /dbench/ perf bench numa numbers on a patch
basis on 4 node and 2 node systems.

v2: http://lkml.kernel.org/r/1529514181-9842-1-git-send-email-srikar@linux.vnet.ibm.com
v1: http://lkml.kernel.org/r/1528106428-19992-1-git-send-email-srikar@linux.vnet.ibm.com

specjbb2005 / bops/JVM / higher bops are better
on 2 Socket/2 Node Intel
JVMS Prev Current %Change
4 199709 209029 4.66679
1 330830 326585 -1.28314


on 2 Socket/4 Node Power8 (PowerNV)
1 218946 221299 1.07469


on 2 Socket/2 Node Power9 (PowerNV)
JVMS Prev Current %Change
4 180473 195444 8.29542
1 212805 222390 4.50412


on 4 Socket/4 Node Power7
JVMS Prev Current %Change
8 56941.8 60152.4 5.63839
1 111686 111458 -0.204144


dbench / transactions / higher numbers are better
on 2 Socket/2 Node Intel
count Min Max Avg Variance %Change
5 12029.8 12124.6 12060.9 34.0076
5 12904.6 12969 12942.6 23.9053 7.3104



on 2 Socket/4 Node Power8 (PowerNV)
count Min Max Avg Variance %Change
5 4968.51 5006.62 4981.31 13.4151
5 4984.25 5025.95 5004.5 14.2253 0.46554


on 2 Socket/2 Node Power9 (PowerNV)
count Min Max Avg Variance %Change
5 9342.92 9381.44 9363.92 12.8587
5 9277.64 9357.22 9322.07 26.3558 -0.446928


on 4 Socket/4 Node Power7
count Min Max Avg Variance %Change
5 143.4 188.892 170.225 16.9929
5 160.632 175.558 168.655 5.26823 -0.922309

perf bench numa / time / lesser number is better
on 2 Socket/2 Node Intel
Testcase Time: Min Max Avg StdDev
numa01.sh Real: 403.47 420.68 411.27 5.80
numa01.sh Sys: 5.20 8.75 5.96 1.39
numa01.sh User: 14583.44 14832.05 14699.23 83.15
numa02.sh Real: 70.61 73.80 72.53 1.10
numa02.sh Sys: 4.61 5.08 4.80 0.18
numa02.sh User: 2634.28 2690.65 2669.69 20.80
numa03.sh Real: 328.53 374.61 354.53 17.22
numa03.sh Sys: 9.15 11.78 10.34 0.87
numa03.sh User: 14828.93 16646.99 15693.92 758.08
numa04.sh Real: 404.31 424.15 413.53 6.45
numa04.sh Sys: 5.70 7.98 6.33 0.85
numa04.sh User: 14608.86 15002.66 14812.80 156.89
numa05.sh Real: 432.00 449.59 444.57 6.52
numa05.sh Sys: 14.80 16.94 15.67 0.74
numa05.sh User: 15679.60 16048.79 15911.45 133.39
Testcase Time: Min Max Avg StdDev %Change
numa01.sh Real: 392.85 415.77 403.96 8.33 1.80959%
numa01.sh Sys: 6.19 9.81 7.89 1.19 -24.4613%
numa01.sh User: 14219.55 14733.04 14511.33 204.30 1.29485%
numa02.sh Real: 58.77 63.41 60.01 1.74 20.8632%
numa02.sh Sys: 5.28 5.62 5.42 0.11 -11.4391%
numa02.sh User: 2302.26 2454.57 2345.44 55.26 13.8247%
numa03.sh Real: 345.47 401.75 366.51 20.54 -3.26867%
numa03.sh Sys: 8.87 11.94 10.48 1.29 -1.33588%
numa03.sh User: 14709.09 17409.22 15824.09 1010.20 -0.822607%
numa04.sh Real: 392.78 404.64 398.72 4.50 3.71439%
numa04.sh Sys: 6.61 8.30 7.30 0.55 -13.2877%
numa04.sh User: 14324.48 14638.68 14464.01 117.68 2.41143%
numa05.sh Real: 383.94 414.25 396.28 10.61 12.1858%
numa05.sh Sys: 20.20 25.96 24.15 2.11 -35.1139%
numa05.sh User: 14707.57 15251.14 14993.60 185.47 6.12161%

Info on each of the perf bench script is available at
http://lkml.kernel.org/r/1528106428-19992-1-git-send-email-srikar@linux.vnet.ibm.com

vmstat data for perf bench numa01
param last_patch with_patch %Change
----- ---------- ---------- -------
numa_foreign 0 0 NA
numa_hint_faults 125087 130979 4.71032%
numa_hint_faults_local 122058 118544 -2.87896%
numa_hit 472395 562428 19.0588%
numa_huge_pte_updates 121037 126394 4.42592%
numa_interleave 0 0 NA
numa_local 472041 562071 19.0725%
numa_miss 0 0 NA
numa_other 354 357 0.847458%
numa_pages_migrated 977502 1845407 88.7881%
numa_pte_updates 61980575 64723635 4.42568%
pgfault 709665 823092 15.9832%
pgmajfault 443 507 14.447%
pgmigrate_fail 46592 109568 135.165%
pgmigrate_success 977502 1845407 88.7881%


vmstat data for perf bench numa02
param last_patch with_patch %Change
----- ---------- ---------- -------
numa_foreign 0 0 NA
numa_hint_faults 38495 22190 -42.3562%
numa_hint_faults_local 35757 17037 -52.3534%
numa_hit 303708 284876 -6.20069%
numa_huge_pte_updates 33842 19259 -43.0914%
numa_interleave 0 0 NA
numa_local 303450 284624 -6.20399%
numa_miss 0 0 NA
numa_other 258 252 -2.32558%
numa_pages_migrated 993537 1570214 58.0428%
numa_pte_updates 17452735 9984967 -42.7885%
pgfault 368888 330200 -10.4877%
pgmajfault 420 308 -26.6667%
pgmigrate_fail 0 0 NA
pgmigrate_success 993537 1570214 58.0428%


vmstat data for perf bench numa03
param last_patch with_patch %Change
----- ---------- ---------- -------
numa_foreign 0 0 NA
numa_hint_faults 62510 63635 1.79971%
numa_hint_faults_local 38696 39109 1.06729%
numa_hit 382967 395061 3.15797%
numa_huge_pte_updates 58145 59089 1.62353%
numa_interleave 0 0 NA
numa_local 382720 394809 3.15871%
numa_miss 0 0 NA
numa_other 247 252 2.02429%
numa_pages_migrated 2035239 2196610 7.92885%
numa_pte_updates 29777304 30261666 1.62661%
pgfault 544043 560325 2.99278%
pgmajfault 355 451 27.0423%
pgmigrate_fail 224256 344576 53.653%
pgmigrate_success 2035239 2196610 7.92885%


vmstat data for perf bench numa04
param last_patch with_patch %Change
----- ---------- ---------- -------
numa_foreign 0 0 NA
numa_hint_faults 124431 132260 6.29184%
numa_hint_faults_local 121355 119283 -1.70739%
numa_hit 409737 399975 -2.3825%
numa_huge_pte_updates 120253 127886 6.34745%
numa_interleave 0 0 NA
numa_local 409468 399724 -2.37967%
numa_miss 0 0 NA
numa_other 269 251 -6.69145%
numa_pages_migrated 1116395 1659057 48.6084%
numa_pte_updates 61579860 65487765 6.34608%
pgfault 631873 633795 0.304175%
pgmajfault 337 329 -2.37389%
pgmigrate_fail 47616 156160 227.957%
pgmigrate_success 1116395 1659057 48.6084%


vmstat data for perf bench numa05
param last_patch with_patch %Change
----- ---------- ---------- -------
numa_foreign 0 0 NA
numa_hint_faults 355042 337290 -4.99997%
numa_hint_faults_local 342282 305309 -10.8019%
numa_hit 469069 461415 -1.63174%
numa_huge_pte_updates 348439 330052 -5.27696%
numa_interleave 0 0 NA
numa_local 468821 461168 -1.63239%
numa_miss 0 0 NA
numa_other 248 247 -0.403226%
numa_pages_migrated 3247276 6844700 110.783%
numa_pte_updates 178418683 169004579 -5.27641%
pgfault 899368 878657 -2.30284%
pgmajfault 345 334 -3.18841%
pgmigrate_fail 781312 1424384 82.3067%
pgmigrate_success 3247276 6844700 110.783%


on 2 Socket/4 Node Power8 (PowerNV)
Testcase Time: Min Max Avg StdDev
numa01.sh Real: 358.03 476.82 419.73 46.59
numa01.sh Sys: 14.53 20.23 16.47 1.96
numa01.sh User: 43304.06 53938.77 48978.04 4280.53
numa02.sh Real: 52.55 59.28 56.55 2.58
numa02.sh Sys: 7.33 11.74 9.37 1.56
numa02.sh User: 5112.38 5765.50 5535.94 237.97
numa03.sh Real: 486.71 497.22 490.09 3.68
numa03.sh Sys: 12.12 15.21 14.18 1.07
numa03.sh User: 56814.30 59414.01 58412.02 893.79
numa04.sh Real: 322.51 350.93 335.53 9.06
numa04.sh Sys: 14.03 16.90 15.79 1.10
numa04.sh User: 33446.88 36163.03 34128.47 1023.44
numa05.sh Real: 324.11 333.71 330.69 3.37
numa05.sh Sys: 21.25 28.33 23.59 2.55
numa05.sh User: 33017.37 34332.36 33536.43 437.24
Testcase Time: Min Max Avg StdDev %Change
numa01.sh Real: 402.80 475.17 438.14 23.38 -4.20185%
numa01.sh Sys: 15.81 17.30 16.46 0.53 0.0607533%
numa01.sh User: 46324.59 52566.72 49514.24 2327.98 -1.08292%
numa02.sh Real: 49.32 59.99 54.64 3.42 3.49561%
numa02.sh Sys: 5.84 10.32 8.44 1.55 11.019%
numa02.sh User: 4962.98 5674.79 5456.00 255.40 1.46518%
numa03.sh Real: 481.18 492.84 487.49 4.05 -93.4563%
numa03.sh Sys: 12.11 13.93 13.07 0.73 -84.6213%
numa03.sh User: 56056.97 58557.44 57546.61 870.03 -97.3252%
numa04.sh Real: 314.72 399.01 344.72 28.97 42.1705%
numa04.sh Sys: 14.72 20.70 17.05 2.15 -16.8328%
numa04.sh User: 34075.02 42869.67 36528.81 3261.87 59.9067%
numa05.sh Real: 327.70 363.14 343.96 13.71 -2.45087%
numa05.sh Sys: 23.34 29.42 27.00 2.01 -41.5185%
numa05.sh User: 31716.77 36602.35 33670.61 1653.60 1.35982%


vmstat data for perf bench numa01
param last_patch with_patch %Change
----- ---------- ---------- -------
numa_foreign 0 0 NA
numa_hint_faults 63348 64799 2.29052%
numa_hint_faults_local 27783 28052 0.968218%
numa_hit 288564 274955 -4.71611%
numa_huge_pte_updates 24248 25297 4.32613%
numa_interleave 0 0 NA
numa_local 288524 274914 -4.71711%
numa_miss 0 0 NA
numa_other 40 41 2.5%
numa_pages_migrated 668765 757419 13.2564%
numa_pte_updates 6247173 6516368 4.30907%
pgfault 1026373 982450 -4.27944%
pgmajfault 552 455 -17.5725%
pgmigrate_fail 110871 105728 -4.63872%
pgmigrate_success 668765 757419 13.2564%


vmstat data for perf bench numa02
param last_patch with_patch %Change
----- ---------- ---------- -------
numa_foreign 0 0 NA
numa_hint_faults 247818 340248 37.2975%
numa_hint_faults_local 165959 197634 19.086%
numa_hit 327750 338501 3.28024%
numa_huge_pte_updates 1302 1786 37.1736%
numa_interleave 0 0 NA
numa_local 327719 338477 3.28269%
numa_miss 0 0 NA
numa_other 31 24 -22.5806%
numa_pages_migrated 184908 212449 14.8944%
numa_pte_updates 601753 817802 35.9033%
pgfault 714529 802873 12.3639%
pgmajfault 384 391 1.82292%
pgmigrate_fail 512 512 0%
pgmigrate_success 184908 212449 14.8944%


vmstat data for perf bench numa03
param last_patch with_patch %Change
----- ---------- ---------- -------
numa_foreign 0 0 NA
numa_hint_faults 42672 34540 -19.057%
numa_hint_faults_local 15017 11041 -26.4767%
numa_hit 276938 269723 -2.60528%
numa_huge_pte_updates 13998 13968 -0.214316%
numa_interleave 0 0 NA
numa_local 276919 269715 -2.60148%
numa_miss 0 0 NA
numa_other 19 8 -57.8947%
numa_pages_migrated 333225 349934 5.01433%
numa_pte_updates 3610166 3596818 -0.369734%
pgfault 992860 963524 -2.9547%
pgmajfault 522 957 83.3333%
pgmigrate_fail 108288 127744 17.9669%
pgmigrate_success 333225 349934 5.01433%


vmstat data for perf bench numa04
param last_patch with_patch %Change
----- ---------- ---------- -------
numa_foreign 0 0 NA
numa_hint_faults 80020 87821 9.74881%
numa_hint_faults_local 59008 56421 -4.38415%
numa_hit 233083 235072 0.853344%
numa_huge_pte_updates 35238 35577 0.96203%
numa_interleave 0 0 NA
numa_local 233064 235067 0.859421%
numa_miss 0 0 NA
numa_other 19 5 -73.6842%
numa_pages_migrated 944562 1028140 8.84833%
numa_pte_updates 9065545 9159954 1.0414%
pgfault 847441 851781 0.51213%
pgmajfault 970 421 -56.5979%
pgmigrate_fail 63233 53760 -14.9811%
pgmigrate_success 944562 1028140 8.84833%


vmstat data for perf bench numa05
param last_patch with_patch %Change
----- ---------- ---------- -------
numa_foreign 0 0 NA
numa_hint_faults 174387 201119 15.3291%
numa_hint_faults_local 133581 146596 9.74315%
numa_hit 249145 257903 3.51522%
numa_huge_pte_updates 73582 85868 16.697%
numa_interleave 0 0 NA
numa_local 249137 257890 3.51333%
numa_miss 0 0 NA
numa_other 8 13 62.5%
numa_pages_migrated 1781374 2077576 16.6277%
numa_pte_updates 18938248 22100144 16.6958%
pgfault 941574 995042 5.67858%
pgmajfault 434 415 -4.37788%
pgmigrate_fail 49180 69889 42.1086%
pgmigrate_success 1781374 2077576 16.6277%


on 2 Socket/2 Node Power9 (PowerNV)
Testcase Time: Min Max Avg StdDev
numa01.sh Real: 462.22 591.23 504.51 44.82
numa01.sh Sys: 37.07 54.86 42.05 6.62
numa01.sh User: 72535.19 86297.67 75983.26 5208.86
numa02.sh Real: 82.50 87.37 84.18 1.82
numa02.sh Sys: 20.18 30.04 27.37 3.66
numa02.sh User: 12171.09 12358.11 12242.31 62.27
numa03.sh Real: 595.65 695.32 640.37 31.93
numa03.sh Sys: 31.45 42.00 35.40 3.78
numa03.sh User: 93877.45 109013.40 100676.82 4856.89
numa04.sh Real: 514.19 594.43 548.24 33.76
numa04.sh Sys: 41.25 54.25 46.86 4.89
numa04.sh User: 76298.64 86625.93 80615.33 4748.38
numa05.sh Real: 466.67 513.17 494.73 18.29
numa05.sh Sys: 61.19 70.28 66.83 3.35
numa05.sh User: 72845.76 76191.80 74651.22 1416.76
Testcase Time: Min Max Avg StdDev %Change
numa01.sh Real: 461.27 719.44 552.31 88.06 -8.65456%
numa01.sh Sys: 39.71 67.60 47.18 10.35 -10.8733%
numa01.sh User: 72257.05 112563.52 83735.04 14612.15 -9.25751%
numa02.sh Real: 82.65 84.25 83.41 0.53 0.923151%
numa02.sh Sys: 18.32 28.89 22.97 4.34 19.1554%
numa02.sh User: 12045.55 12215.64 12162.20 62.80 0.65868%
numa03.sh Real: 587.05 660.43 617.39 25.31 3.72212%
numa03.sh Sys: 28.05 36.74 31.86 3.45 11.1111%
numa03.sh User: 92686.08 103166.58 97013.32 3655.37 3.77629%
numa04.sh Real: 464.56 652.41 515.41 70.89 6.36969%
numa04.sh Sys: 38.40 49.26 42.43 4.00 10.4407%
numa04.sh User: 72275.32 88875.96 77174.44 6149.21 4.45859%
numa05.sh Real: 483.10 664.43 562.87 75.72 -12.1058%
numa05.sh Sys: 56.23 73.67 65.27 5.73 2.39007%
numa05.sh User: 73350.15 89813.72 80238.30 6532.10 -6.96311%


vmstat data for perf bench numa01
param last_patch with_patch %Change
----- ---------- ---------- -------
numa_foreign 0 0 NA
numa_hint_faults 144716 145619 0.623981%
numa_hint_faults_local 99914 91850 -8.07094%
numa_hit 411314 369456 -10.1767%
numa_huge_pte_updates 136260 136154 -0.0777925%
numa_interleave 0 0 NA
numa_local 411279 369421 -10.1775%
numa_miss 0 0 NA
numa_other 35 35 0%
numa_pages_migrated 464612 481645 3.66607%
numa_pte_updates 4368544 4365935 -0.0597224%
pgfault 1296071 1362892 5.15566%
pgmajfault 1412 1270 -10.0567%
pgmigrate_fail 42656 49952 17.1043%
pgmigrate_success 464612 481645 3.66607%


vmstat data for perf bench numa02
param last_patch with_patch %Change
----- ---------- ---------- -------
numa_foreign 0 0 NA
numa_hint_faults 30562 28965 -5.22544%
numa_hint_faults_local 23479 21704 -7.55995%
numa_hit 176214 159995 -9.20415%
numa_huge_pte_updates 28447 27168 -4.49608%
numa_interleave 0 0 NA
numa_local 176209 159987 -9.20611%
numa_miss 0 0 NA
numa_other 5 8 60%
numa_pages_migrated 201448 204467 1.49865%
numa_pte_updates 936226 894109 -4.49859%
pgfault 493189 481612 -2.34738%
pgmajfault 993 521 -47.5327%
pgmigrate_fail 0 0 NA
pgmigrate_success 201448 204467 1.49865%


vmstat data for perf bench numa03
param last_patch with_patch %Change
----- ---------- ---------- -------
numa_foreign 0 0 NA
numa_hint_faults 78163 72811 -6.84723%
numa_hint_faults_local 39811 37318 -6.26209%
numa_hit 313487 308119 -1.71235%
numa_huge_pte_updates 69817 65243 -6.55141%
numa_interleave 0 0 NA
numa_local 313460 308104 -1.70867%
numa_miss 0 0 NA
numa_other 27 15 -44.4444%
numa_pages_migrated 184605 172934 -6.32215%
numa_pte_updates 2242167 2094992 -6.56396%
pgfault 1186922 1166080 -1.75597%
pgmajfault 1077 668 -37.9759%
pgmigrate_fail 24544 24416 -0.521512%
pgmigrate_success 184605 172934 -6.32215%


vmstat data for perf bench numa04
param last_patch with_patch %Change
----- ---------- ---------- -------
numa_foreign 0 0 NA
numa_hint_faults 152710 147880 -3.16286%
numa_hint_faults_local 97716 100272 2.61574%
numa_hit 324966 321659 -1.01764%
numa_huge_pte_updates 144348 139764 -3.17566%
numa_interleave 0 0 NA
numa_local 324939 321640 -1.01527%
numa_miss 0 0 NA
numa_other 27 19 -29.6296%
numa_pages_migrated 512467 485174 -5.32581%
numa_pte_updates 4626888 4479727 -3.18056%
pgfault 1250077 1234721 -1.2284%
pgmajfault 691 575 -16.7873%
pgmigrate_fail 54848 58560 6.76779%
pgmigrate_success 512467 485174 -5.32581%


vmstat data for perf bench numa05
param last_patch with_patch %Change
----- ---------- ---------- -------
numa_foreign 0 0 NA
numa_hint_faults 295774 305339 3.23389%
numa_hint_faults_local 218320 218793 0.216654%
numa_hit 352096 357790 1.61717%
numa_huge_pte_updates 286148 297923 4.115%
numa_interleave 0 0 NA
numa_local 352075 357780 1.62039%
numa_miss 0 0 NA
numa_other 21 10 -52.381%
numa_pages_migrated 906755 909564 0.309786%
numa_pte_updates 9165346 9541883 4.10827%
pgfault 1407223 1433802 1.88876%
pgmajfault 599 683 14.0234%
pgmigrate_fail 70272 69568 -1.00182%
pgmigrate_success 906755 909564 0.309786%


on 4 Socket/4 Node Power7
Testcase Time: Min Max Avg StdDev
numa01.sh Real: 677.66 913.24 794.88 85.49
numa01.sh Sys: 125.90 205.16 169.35 25.59
numa01.sh User: 56772.52 71741.79 63335.60 5073.86
numa02.sh Real: 65.34 70.28 67.96 1.98
numa02.sh Sys: 12.04 19.41 15.89 2.34
numa02.sh User: 5499.93 5682.07 5586.30 77.00
numa03.sh Real: 774.48 1035.38 893.82 87.76
numa03.sh Sys: 107.67 153.14 129.77 15.10
numa03.sh User: 62802.39 87222.58 73511.43 8260.39
numa04.sh Real: 504.09 733.50 633.03 78.96
numa04.sh Sys: 213.34 351.26 284.11 56.12
numa04.sh User: 38925.57 55954.50 47690.41 5716.68
numa05.sh Real: 402.78 501.75 453.02 37.15
numa05.sh Sys: 146.84 407.64 299.57 97.43
numa05.sh User: 33365.00 39445.00 36050.94 2053.69
Testcase Time: Min Max Avg StdDev %Change
numa01.sh Real: 636.41 913.49 802.07 94.08 -0.89643%
numa01.sh Sys: 169.10 209.84 181.46 15.01 -6.67365%
numa01.sh User: 51910.75 65727.60 60906.34 5019.96 3.98852%
numa02.sh Real: 63.64 70.40 66.18 2.42 2.68963%
numa02.sh Sys: 9.85 21.19 15.05 3.72 5.5814%
numa02.sh User: 5305.35 5702.47 5477.28 132.74 1.9904%
numa03.sh Real: 753.00 932.44 828.11 66.63 7.93494%
numa03.sh Sys: 81.82 132.68 104.12 17.89 24.635%
numa03.sh User: 61249.69 72311.19 65282.71 3998.53 12.6047%
numa04.sh Real: 504.61 655.03 605.21 52.01 4.59675%
numa04.sh Sys: 130.42 330.44 260.76 73.87 8.95459%
numa04.sh User: 37562.67 48382.57 45063.68 3892.89 5.82893%
numa05.sh Real: 462.05 525.61 488.76 21.16 -7.31238%
numa05.sh Sys: 296.76 389.72 345.10 40.73 -13.1933%
numa05.sh User: 35920.56 39112.35 38022.97 1151.19 -5.18642%


vmstat data for perf bench numa01
param last_patch with_patch %Change
----- ---------- ---------- -------
numa_foreign 0 0 NA
numa_hint_faults 8094646 6939950 -14.2649%
numa_hint_faults_local 4327343 3249221 -24.9142%
numa_hit 1550444 1490388 -3.87347%
numa_huge_pte_updates 0 0 NA
numa_interleave 0 0 NA
numa_local 1550404 1490347 -3.87364%
numa_miss 0 0 NA
numa_other 40 41 2.5%
numa_pages_migrated 777894 731760 -5.93063%
numa_pte_updates 8103835 6945270 -14.2965%
pgfault 9504158 8321001 -12.4488%
pgmajfault 277 267 -3.61011%
pgmigrate_fail 7 12 71.4286%
pgmigrate_success 777894 731760 -5.93063%


vmstat data for perf bench numa02
param last_patch with_patch %Change
----- ---------- ---------- -------
numa_foreign 0 0 NA
numa_hint_faults 698918 733902 5.00545%
numa_hint_faults_local 553784 562257 1.53002%
numa_hit 473790 466220 -1.59775%
numa_huge_pte_updates 0 0 NA
numa_interleave 0 0 NA
numa_local 473785 466216 -1.59756%
numa_miss 0 0 NA
numa_other 5 4 -20%
numa_pages_migrated 136492 134423 -1.51584%
numa_pte_updates 714710 749458 4.86183%
pgfault 1186082 1218861 2.76364%
pgmajfault 155 156 0.645161%
pgmigrate_fail 0 0 NA
pgmigrate_success 136492 134423 -1.51584%


vmstat data for perf bench numa03
param last_patch with_patch %Change
----- ---------- ---------- -------
numa_foreign 0 0 NA
numa_hint_faults 4525956 3520293 -22.2199%
numa_hint_faults_local 1749531 1319966 -24.5532%
numa_hit 914257 778437 -14.8558%
numa_huge_pte_updates 0 0 NA
numa_interleave 0 0 NA
numa_local 914232 778416 -14.8557%
numa_miss 0 0 NA
numa_other 25 21 -16%
numa_pages_migrated 428367 315482 -26.3524%
numa_pte_updates 4536083 3524701 -22.2964%
pgfault 5578522 4509129 -19.1698%
pgmajfault 202 197 -2.47525%
pgmigrate_fail 22 19 -13.6364%
pgmigrate_success 428367 315482 -26.3524%


vmstat data for perf bench numa04
param last_patch with_patch %Change
----- ---------- ---------- -------
numa_foreign 0 0 NA
numa_hint_faults 13634799 13598386 -0.267059%
numa_hint_faults_local 8473822 8800575 3.85603%
numa_hit 2604435 2456795 -5.66879%
numa_huge_pte_updates 0 0 NA
numa_interleave 0 0 NA
numa_local 2604411 2456779 -5.66854%
numa_miss 0 0 NA
numa_other 24 16 -33.3333%
numa_pages_migrated 1414750 1280512 -9.48846%
numa_pte_updates 13678739 13627859 -0.371964%
pgfault 15363067 15317090 -0.29927%
pgmajfault 197 237 20.3046%
pgmigrate_fail 30 27 -10%
pgmigrate_success 1414750 1280512 -9.48846%


vmstat data for perf bench numa05
param last_patch with_patch %Change
----- ---------- ---------- -------
numa_foreign 0 0 NA
numa_hint_faults 23324034 25274343 8.3618%
numa_hint_faults_local 18759362 18625813 -0.711906%
numa_hit 3944010 4235082 7.3801%
numa_huge_pte_updates 0 0 NA
numa_interleave 0 0 NA
numa_local 3943994 4235068 7.38018%
numa_miss 0 0 NA
numa_other 16 14 -12.5%
numa_pages_migrated 1785980 2072221 16.0271%
numa_pte_updates 23411591 25325473 8.17493%
pgfault 26024350 28065879 7.84469%
pgmajfault 233 239 2.57511%
pgmigrate_fail 52 82 57.6923%
pgmigrate_success 1785980 2072221 16.0271%


Mel Gorman (1):
sched/numa: Limit the conditions where scan period is reset

Srikar Dronamraju (5):
sched/numa: Stop multiple tasks from moving to the cpu at the same
time
mm/migrate: Use trylock while resetting rate limit
sched/numa: Avoid task migration for small numa improvement
sched/numa: Pass destination cpu as a parameter to migrate_task_rq
sched/numa: Reset scan rate whenever task moves across nodes

kernel/sched/core.c | 2 +-
kernel/sched/deadline.c | 2 +-
kernel/sched/fair.c | 87 ++++++++++++++++++++++++++++++++++++++++++-------
kernel/sched/sched.h | 3 +-
mm/migrate.c | 16 ++++++---
5 files changed, 91 insertions(+), 19 deletions(-)

--
1.8.3.1

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