LKML: Paul Jackson: Re: [patch] sched: auto-tune migration costs [was: Re: Industry db benchmark result on recent 2.6 kernels]

<?xml version="1.0" encoding="UTF-8" standalone="yes"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>LKML: Paul Jackson: Re: [patch] sched: auto-tune migration costs [was: Re: Industry db benchmark result on recent 2.6 kernels]</title><link href="/css/message.css" rel="stylesheet" type="text/css" /><link href="/css/wrap.css" rel="alternate stylesheet" type="text/css" title="wrap" /><link href="/css/nowrap.css" rel="stylesheet" type="text/css" title="nowrap" /><link href="/favicon.ico" rel="shortcut icon" /><script src="/js/simple-calendar.js" type="text/javascript"></script><script src="/js/styleswitcher.js" type="text/javascript"></script><link rel="alternate" type="application/rss+xml" title="lkml.org : last 100 messages" href="/rss.php" /><link rel="alternate" type="application/rss+xml" title="lkml.org : last messages by Paul Jackson" href="/groupie.php?aid=5266" /><script> var _paq = window._paq = window._paq || []; /* tracker methods like "setCustomDimension" should be called before "trackPageView" */ _paq.push(["setDoNotTrack", true]); _paq.push(["disableCookies"]); _paq.push(['trackPageView']); _paq.push(['enableLinkTracking']); (function() { var u="//m.lkml.org/"; _paq.push(['setTrackerUrl', u+'matomo.php']); _paq.push(['setSiteId', '1']); var d=document, g=d.createElement('script'), s=d.getElementsByTagName('script')[0]; g.async=true; g.src=u+'matomo.js'; s.parentNode.insertBefore(g,s); })(); </script></head><body onload="es.jasper.simpleCalendar.init();" itemscope="itemscope" itemtype="http://schema.org/BlogPosting"><table border="0" cellpadding="0" cellspacing="0"><tr><td width="180" align="center"><a href="/"><img style="border:0;width:135px;height:32px" src="/images/toprowlk.gif" alt="lkml.org" /></a></td><td width="32">聽</td><td class="nb"><div><a class="nb" href="/lkml"> [lkml]</a> 聽 <a class="nb" href="/lkml/2005"> [2005]</a> 聽 <a class="nb" href="/lkml/2005/4"> [Apr]</a> 聽 <a class="nb" href="/lkml/2005/4/3"> [3]</a> 聽 <a class="nb" href="/lkml/last100"> [last100]</a> 聽 <a href="/rss.php"><img src="/images/rss-or.gif" border="0" alt="RSS Feed" /></a></div><div>Views: <a href="#" class="nowrap" onclick="setActiveStyleSheet('wrap');return false;">[wrap]</a><a href="#" class="wrap" onclick="setActiveStyleSheet('nowrap');return false;">[no wrap]</a> 聽 <a class="nb" href="/lkml/mheaders/2005/4/3/55" onclick="this.href='/lkml/headers'+'/2005/4/3/55';">[headers]</a>聽 <a href="/lkml/bounce/2005/4/3/55">[forward]</a>聽 </div></td><td width="32">聽</td></tr><tr><td valign="top"><div class="es-jasper-simpleCalendar" baseurl="/lkml/"></div><div class="threadlist">Messages in this thread</div><ul class="threadlist"><li class="root"><a href="/lkml/2005/4/1/310">First message in thread</a></li><li><a href="/lkml/2005/4/3/6">Paul Jackson</a><ul><li><a href="/lkml/2005/4/3/19">Ingo Molnar</a><ul><li><a href="/lkml/2005/4/3/28">Paul Jackson</a></li><li class="origin"><a href="/lkml/2005/4/3/81">Paul Jackson</a><ul><li><a href="/lkml/2005/4/3/81">Paul Jackson</a><ul><li><a href="/lkml/2005/4/3/86">Ingo Molnar</a></li><li><a href="/lkml/2005/4/3/89">Ingo Molnar</a></li></ul></li><li><a href="/lkml/2005/4/3/83">Ingo Molnar</a><ul><li><a href="/lkml/2005/4/3/136">Paul Jackson</a></li><li><a href="/lkml/2005/4/3/148">"Chen, Kenneth W"</a></li></ul></li><li><a href="/lkml/2005/4/4/4">Andy Lutomirski</a><ul><li><a href="/lkml/2005/4/4/7">Paul Jackson</a></li></ul></li></ul></li><li><a href="/lkml/2005/4/3/145">"Chen, Kenneth W"</a><ul><li><a href="/lkml/2005/4/4/90">Ingo Molnar</a><ul><li><a href="/lkml/2005/4/4/141">Paul Jackson</a></li><li><a href="/lkml/2005/4/4/316">"Chen, Kenneth W"</a></li></ul></li></ul></li></ul></li><li><a href="/lkml/2005/4/3/37">Paul Jackson</a></li></ul></li></ul></td><td width="32" rowspan="2" class="c" valign="top"><img src="/images/icornerl.gif" width="32" height="32" alt="/" /></td><td class="c" rowspan="2" valign="top" style="padding-top: 1em"><table><tr><td><table><tr><td class="lp">Date</td><td class="rp" itemprop="datePublished">Sun, 3 Apr 2005 04:34:20 -0700</td></tr><tr><td class="lp">From</td><td class="rp" itemprop="author">Paul Jackson <></td></tr><tr><td class="lp">Subject</td><td class="rp" itemprop="name">Re: [patch] sched: auto-tune migration costs [was: Re: Industry db benchmark result on recent 2.6 kernels]</td></tr></table></td><td></td></tr></table><pre itemprop="articleBody">Ok - that flies, or at least walks. It took 53 seconds to compute this cost matrix. Here's what it prints, on a small 8 CPU ia64 SN2 Altix, with the migration_debug prints formatted separately from the primary table, for ease of reading: Total of 8 processors activated (15548.60 BogoMIPS). --------------------- migration cost matrix (max_cache_size: 0, cpu: -1 MHz): --------------------- [00] [01] [02] [03] [04] [05] [06] [07] [00]: - 4.0(0) 21.7(1) 21.7(1) 21.7(1) 21.7(1) 21.7(1) 21.7(1) [01]: 4.0(0) - 21.7(1) 21.7(1) 21.7(1) 21.7(1) 21.7(1) 21.7(1) [02]: 21.7(1) 21.7(1) - 4.0(0) 21.7(1) 21.7(1) 21.7(1) 21.7(1) [03]: 21.7(1) 21.7(1) 4.0(0) - 21.7(1) 21.7(1) 21.7(1) 21.7(1) [04]: 21.7(1) 21.7(1) 21.7(1) 21.7(1) - 4.0(0) 21.7(1) 21.7(1) [05]: 21.7(1) 21.7(1) 21.7(1) 21.7(1) 4.0(0) - 21.7(1) 21.7(1) [06]: 21.7(1) 21.7(1) 21.7(1) 21.7(1) 21.7(1) 21.7(1) - 4.0(0) [07]: 21.7(1) 21.7(1) 21.7(1) 21.7(1) 21.7(1) 21.7(1) 4.0(0) - --------------------- cacheflush times [2]: 4.0 (4059264) 21.7 (21764604) --------------------- -> [0][1][10485760] 0.0 (0): (236441590 260844347 -24402757) -> [0][1][9961472] 0.0 (0): (223517112 247446351 -23929239) -> [0][1][9463398] 0.0 (0): (210676318 234128642 -23452324) -> [0][1][8990228] 0.0 (0): (199150391 222962366 -23811975) -> [0][1][8540716] 0.0 (0): (188000682 211792893 -23792211) -> [0][1][8113680] 0.0 (0): (177705384 201661649 -23956265) -> [0][1][7707996] 0.0 (0): (167300335 190993072 -23692737) -> [0][1][7322596] 0.0 (0): (157792762 181764189 -23971427) -> [0][1][6956466] 0.0 (0): (148554966 172428430 -23873464) -> [0][1][6608642] 0.0 (0): (140208195 163875201 -23667006) -> [0][1][6278209] 0.0 (0): (131352820 155083956 -23731136) -> [0][1][5964298] 0.0 (0): (123604215 147567322 -23963107) -> [0][1][5666083] 0.0 (0): (116411565 140028494 -23616929) -> [0][1][5382778] 0.0 (0): (109268755 133013626 -23744871) -> [0][1][5113639] 0.0 (0): (102398180 126017425 -23619245) -> [0][1][4857957] 0.0 (0): (95917364 119835534 -23918170) -> [0][1][4615059] 0.0 (0): (90016707 114103575 -24086868) -> [0][1][4384306] 0.0 (0): (84323765 108006547 -23682782) -> [0][1][4165090] 0.0 (0): (79059754 102627005 -23567251) -> [0][1][3956835] 0.0 (0): (73688423 97291492 -23603069) -> [0][1][3758993] 0.0 (0): (68716008 88560989 -19844981) -> [0][1][3571043] 0.0 (0): (63733160 81897350 -18164190) -> [0][1][3392490] 0.0 (0): (59879383 74232277 -14352894) -> [0][1][3222865] 0.0 (0): (56841544 66555118 -9713574) -> [0][1][3061721] 0.0 (0): (52946522 56831787 -3885265) -> [0][1][2908634] 2.1 (0): (48782033 46610015 2172018) -> [0][1][2763202] 7.4 (0): (45641483 38180422 7461061) -> [0][1][2625041] 8.1 (0): (42666487 34547956 8118531) -> [0][1][2493788] 8.1 (0): (40480659 32408260 8072399) -> [0][1][2369098] 8.1 (0): (37962874 30163246 7799628) -> [0][1][2250643] 8.1 (0): (34472406 26857206 7615200) -> [0][1][2138110] 8.1 (0): (31271314 23649223 7622091) -> [0][1][2031204] 8.1 (0): (28089754 21439413 6650341) -> [0][1][1929643] 8.1 (0): (26354009 18543359 7810650) -> [0][1][1833160] 8.1 (0): (21147235 14447434 6699801) -> [0][1][1741502] 8.1 (0): (18121355 12206595 5914760) -> [0][1][1654426] 8.1 (0): (15329605 10598656 4730949) -> [0][1][1571704] 8.1 (0): (13611633 8689517 4922116) -> [0][1][1493118] 8.1 (0): (11372044 6757841 4614203) -> [0][1][1418462] 8.1 (0): ( 9444150 4882452 4561698) -> [0][1][1347538] 8.1 (0): ( 8191406 4085242 4106164) -> [0][1][1280161] 8.1 (0): ( 7790609 3898213 3892396) -> [0][1][1216152] 8.1 (0): ( 7374407 3707184 3667223) -> [0][1][1155344] 8.1 (0): ( 6999015 3515903 3483112) -> [0][1][1097576] 8.1 (0): ( 6673248 3322754 3350494) -> [0][1][1042697] 8.1 (0): ( 6335524 3161843 3173681) -> [0][1][ 990562] 8.1 (0): ( 6004402 3008483 2995919) -> [0][1][ 941033] 8.1 (0): ( 5725906 2863829 2862077) -> [0][1][ 893981] 8.1 (0): ( 5426110 2734901 2691209) -> [0][1][ 849281] 8.1 (0): ( 5140906 2596169 2544737) -> [0][1][ 806816] 8.1 (0): ( 4898502 2465125 2433377) -> [0][1][ 766475] 8.1 (0): ( 4649361 2349720 2299641) -> [0][1][ 728151] 8.1 (0): ( 4427640 2224358 2203282) -> [0][1][ 691743] 8.1 (0): ( 4205722 2113134 2092588) -> [0][1][ 657155] 8.1 (0): ( 3991213 1997003 1994210) -> [0][1][ 624297] 8.1 (0): ( 3808184 1922251 1885933) -> [0][1][ 593082] 8.1 (0): ( 3637960 1824619 1813341) -> [0][1][ 563427] 8.1 (0): ( 3436507 1717571 1718936) -> [0][1][ 535255] 8.1 (0): ( 3258815 1638947 1619868) -> [0][1][ 508492] 8.1 (0): ( 3107777 1554970 1552807) -> [0][1][ 483067] 8.1 (0): ( 2947291 1476728 1470563) -> [0][1][ 458913] 8.1 (0): ( 2791433 1408435 1382998) -> [0][1][ 435967] 8.1 (0): ( 2652944 1322870 1330074) -> [0][1][ 414168] 8.1 (0): ( 2535588 1270619 1264969) -> [0][1][ 393459] 8.1 (0): ( 2412219 1213071 1199148) -> [0][1][ 373786] 8.1 (0): ( 2282233 1141089 1141144) -> [0][1][ 355096] 8.1 (0): ( 2177739 1084862 1092877) -> [0][1][ 337341] 8.1 (0): ( 2072370 1027962 1044408) -> [0][1][ 320473] 8.1 (0): ( 1968254 992712 975542) -> [0][1][ 304449] 8.1 (0): ( 1869227 934710 934517) -> [0][1][ 289226] 8.1 (0): ( 1787025 882591 904434) -> [0][1][ 274764] 8.1 (0): ( 1685326 834412 850914) -> [0][1][ 261025] 8.1 (0): ( 1599396 784748 814648) -> [0][1][ 247973] 8.1 (0): ( 1520534 752650 767884) -> [0][1][ 235574] 8.1 (0): ( 1447687 697913 749774) -> [0][1][ 223795] 8.1 (0): ( 1395297 655215 740082) -> [0][1][ 212605] 8.1 (0): ( 1304578 612879 691699) -> [0][1][ 201974] 8.1 (0): ( 1242526 582890 659636) -> [0][1][ 191875] 8.1 (0): ( 1192597 567342 625255) -> [0][1][ 182281] 8.1 (0): ( 1154183 522506 631677) -> [0][1][ 173166] 8.1 (0): ( 1063889 496038 567851) -> [0][1][ 164507] 8.1 (0): ( 1018003 479707 538296) -> [0][1][ 156281] 8.1 (0): ( 966639 453335 513304) -> [0][1][ 148466] 8.1 (0): ( 911832 450767 461065) -> [0][1][ 141042] 8.1 (0): ( 861256 398012 463244) -> [0][1][ 133989] 8.1 (0): ( 816934 375902 441032) -> [0][1][ 127289] 8.1 (0): ( 772519 357192 415327) -> [0][1][ 120924] 8.1 (0): ( 738252 348262 389990) -> [0][1][ 114877] 8.1 (0): ( 700449 337719 362730) -> [0][1][ 109133] 8.1 (0): ( 666714 321362 345352) -> [0][1][ 103676] 8.1 (0): ( 632466 301106 331360) -> [0][1][ 98492] 8.1 (0): ( 605840 283103 322737) -> [0][1][ 93567] 8.1 (0): ( 574951 270209 304742) -> [0][1][ 88888] 8.1 (0): ( 548250 275193 273057) -> [0][1][ 84443] 8.1 (0): ( 520930 247909 273021) -> [0][1][ 80220] 8.1 (0): ( 497343 235625 261718) -> [0][1][ 76209] 8.1 (0): ( 475014 225910 249104) -> [0][1][ 72398] 8.1 (0): ( 452979 217067 235912) -> [0][1][ 68778] 8.1 (0): ( 437237 210221 227016) [0][1] cache size found: 68778, cost: 2029632 -> [0][2][10485760] 21.3 (1): (280966301 259655197 21311104) -> [0][2][9961472] 21.3 (1): (267532701 246464370 21068331) -> [0][2][9463398] 21.4 (1): (255880339 234472901 21407438) -> [0][2][8990228] 21.4 (1): (243788056 222976517 20811539) -> [0][2][8540716] 21.4 (1): (232918189 211696038 21222151) -> [0][2][8113680] 21.4 (1): (221867712 201185104 20682608) -> [0][2][7707996] 21.4 (1): (211791934 190954096 20837838) -> [0][2][7322596] 21.4 (1): (202147650 181014688 21132962) -> [0][2][6956466] 21.4 (1): (193033236 172217232 20816004) -> [0][2][6608642] 21.4 (1): (184315412 163326007 20989405) -> [0][2][6278209] 21.5 (1): (176305487 154773881 21531606) -> [0][2][5964298] 21.5 (1): (168324309 147210017 21114292) -> [0][2][5666083] 21.5 (1): (160980756 140036947 20943809) -> [0][2][5382778] 21.5 (1): (154082090 133018746 21063344) -> [0][2][5113639] 21.5 (1): (147265497 125683900 21581597) -> [0][2][4857957] 21.5 (1): (140785593 119757775 21027818) -> [0][2][4615059] 21.5 (1): (134874499 113951649 20922850) -> [0][2][4384306] 21.5 (1): (128926147 107954231 20971916) -> [0][2][4165090] 21.5 (1): (123503066 102480419 21022647) -> [0][2][3956835] 21.5 (1): (118671392 97407382 21264010) -> [0][2][3758993] 24.6 (1): (113654772 89043284 24611488) -> [0][2][3571043] 28.4 (1): (108688391 80283321 28405070) -> [0][2][3392490] 30.8 (1): (103382097 72550143 30831954) -> [0][2][3222865] 31.6 (1): (98813621 67206209 31607412) -> [0][2][3061721] 34.6 (1): (94028301 59338910 34689391) -> [0][2][2908634] 37.4 (1): (89336206 51906192 37430014) -> [0][2][2763202] 41.6 (1): (85311763 43645210 41666553) -> [0][2][2625041] 42.9 (1): (80967888 38067729 42900159) -> [0][2][2493788] 43.5 (1): (76682195 33152985 43529210) -> [0][2][2369098] 43.5 (1): (71641348 29795784 41845564) -> [0][2][2250643] 43.5 (1): (67010318 26541156 40469162) -> [0][2][2138110] 43.5 (1): (61116015 23104539 38011476) -> [0][2][2031204] 43.5 (1): (56833321 20862067 35971254) -> [0][2][1929643] 43.5 (1): (51867693 18230427 33637266) -> [0][2][1833160] 43.5 (1): (47463072 14447831 33015241) -> [0][2][1741502] 43.5 (1): (43341579 11804071 31537508) -> [0][2][1654426] 43.5 (1): (39128869 10120316 29008553) -> [0][2][1571704] 43.5 (1): (37112854 8701340 28411514) -> [0][2][1493118] 43.5 (1): (33762646 6895300 26867346) -> [0][2][1418462] 43.5 (1): (30140145 5233522 24906623) -> [0][2][1347538] 43.5 (1): (28104612 4404674 23699938) -> [0][2][1280161] 43.5 (1): (26384793 4142184 22242609) -> [0][2][1216152] 43.5 (1): (24998530 3738080 21260450) -> [0][2][1155344] 43.5 (1): (23692228 3530175 20162053) -> [0][2][1097576] 43.5 (1): (22609076 3339587 19269489) -> [0][2][1042697] 43.5 (1): (21418282 3178330 18239952) -> [0][2][ 990562] 43.5 (1): (20406158 3017420 17388738) -> [0][2][ 941033] 43.5 (1): (19348908 2870304 16478604) -> [0][2][ 893981] 43.5 (1): (18374639 2739213 15635426) -> [0][2][ 849281] 43.5 (1): (17423103 2600269 14822834) -> [0][2][ 806816] 43.5 (1): (16663412 2478036 14185376) -> [0][2][ 766475] 43.5 (1): (15709827 2350116 13359711) -> [0][2][ 728151] 43.5 (1): (15008379 2220979 12787400) -> [0][2][ 691743] 43.5 (1): (14214646 2113246 12101400) -> [0][2][ 657155] 43.5 (1): (13507218 2012407 11494811) -> [0][2][ 624297] 43.5 (1): (12850596 1932937 10917659) -> [0][2][ 593082] 43.5 (1): (12249394 1822902 10426492) -> [0][2][ 563427] 43.5 (1): (11575604 1741807 9833797) -> [0][2][ 535255] 43.5 (1): (11013846 1659054 9354792) -> [0][2][ 508492] 43.5 (1): (10406034 1583114 8822920) -> [0][2][ 483067] 43.5 (1): ( 9991526 1487716 8503810) -> [0][2][ 458913] 43.5 (1): ( 9424050 1411217 8012833) -> [0][2][ 435967] 43.5 (1): ( 8969577 1341693 7627884) -> [0][2][ 414168] 43.5 (1): ( 8619883 1265423 7354460) -> [0][2][ 393459] 43.5 (1): ( 8172469 1215225 6957244) -> [0][2][ 373786] 43.5 (1): ( 7693509 1156090 6537419) -> [0][2][ 355096] 43.5 (1): ( 7321746 1096988 6224758) -> [0][2][ 337341] 43.5 (1): ( 6996736 1048745 5947991) -> [0][2][ 320473] 43.5 (1): ( 6567567 1000294 5567273) -> [0][2][ 304449] 43.5 (1): ( 6243750 936678 5307072) -> [0][2][ 289226] 43.5 (1): ( 5979868 896936 5082932) -> [0][2][ 274764] 43.5 (1): ( 5738336 843368 4894968) -> [0][2][ 261025] 43.5 (1): ( 5365096 791876 4573220) -> [0][2][ 247973] 43.5 (1): ( 5059736 743485 4316251) -> [0][2][ 235574] 43.5 (1): ( 4831530 699291 4132239) -> [0][2][ 223795] 43.5 (1): ( 4638916 680192 3958724) -> [0][2][ 212605] 43.5 (1): ( 4481601 637145 3844456) -> [0][2][ 201974] 43.5 (1): ( 4191611 592293 3599318) -> [0][2][ 191875] 43.5 (1): ( 3949722 570027 3379695) -> [0][2][ 182281] 43.5 (1): ( 3726611 537697 3188914) -> [0][2][ 173166] 43.5 (1): ( 3592882 515552 3077330) -> [0][2][ 164507] 43.5 (1): ( 3390972 484264 2906708) -> [0][2][ 156281] 43.5 (1): ( 3245101 459775 2785326) -> [0][2][ 148466] 43.5 (1): ( 3113578 440451 2673127) -> [0][2][ 141042] 43.5 (1): ( 2931948 409050 2522898) -> [0][2][ 133989] 43.5 (1): ( 2808474 388318 2420156) -> [0][2][ 127289] 43.5 (1): ( 2605945 368634 2237311) -> [0][2][ 120924] 43.5 (1): ( 2447962 348413 2099549) -> [0][2][ 114877] 43.5 (1): ( 2311453 341602 1969851) -> [0][2][ 109133] 43.5 (1): ( 2213124 317917 1895207) -> [0][2][ 103676] 43.5 (1): ( 2114799 301876 1812923) -> [0][2][ 98492] 43.5 (1): ( 2029078 288864 1740214) -> [0][2][ 93567] 43.5 (1): ( 1944647 282941 1661706) -> [0][2][ 88888] 43.5 (1): ( 1878239 263551 1614688) -> [0][2][ 84443] 43.5 (1): ( 1785472 254075 1531397) -> [0][2][ 80220] 43.5 (1): ( 1708646 241511 1467135) -> [0][2][ 76209] 43.5 (1): ( 1611896 241541 1370355) -> [0][2][ 72398] 43.5 (1): ( 1518939 222991 1295948) -> [0][2][ 68778] 43.5 (1): ( 1439208 224816 1214392) [0][2] cache size found: 68778, cost: 10882302 -- I won't rest till it's the best ... Programmer, Linux Scalability Paul Jackson <pj@engr.sgi.com> 1.650.933.1373, 1.925.600.0401 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at <a href="http://vger.kernel.org/majordomo-info.html">http://vger.kernel.org/majordomo-info.html</a> Please read the FAQ at <a href="http://www.tux.org/lkml/">http://www.tux.org/lkml/</a> </pre></td><td width="32" rowspan="2" class="c" valign="top"><img src="/images/icornerr.gif" width="32" height="32" alt="\" /></td></tr><tr><td align="right" valign="bottom"> 聽 </td></tr><tr><td align="right" valign="bottom">聽</td><td class="c" valign="bottom" style="padding-bottom: 0px"><img src="/images/bcornerl.gif" width="32" height="32" alt="\" /></td><td class="c">聽</td><td class="c" valign="bottom" style="padding-bottom: 0px"><img src="/images/bcornerr.gif" width="32" height="32" alt="/" /></td></tr><tr><td align="right" valign="top" colspan="2"> 聽 </td><td class="lm">Last update: 2005-04-06 13:31 聽聽 [from the cache] 漏2003-2020 <a href="http://blog.jasper.es/">Jasper Spaans</a>|hosted at <a href="https://www.digitalocean.com/?refcode=9a8e99d24cf9">Digital Ocean</a> and my Meterkast|<a href="http://blog.jasper.es/categories.html#lkml-ref">Read the blog</a></td><td>聽</td></tr></table><script language="javascript" src="/js/styleswitcher.js" type="text/javascript"></script></body></html>

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LKML: Paul Jackson: Re: [patch] sched: auto-tune migration costs [was: Re: Industry db benchmark result on recent 2.6 kernels]