From mboxrd@z Thu Jan 1 00:00:00 1970 From: DIXLOR Subject: SMP even/odd cores latency Date: Wed, 3 Feb 2016 22:06:13 +0300 Message-ID: <56B24FA5.8020706@gmail.com> Reply-To: dixlor@gmail.com Mime-Version: 1.0 Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="------------ms000903020308000200070005" To: linux-rt-users Return-path: Received: from mail-lb0-f174.google.com ([209.85.217.174]:36366 "EHLO mail-lb0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965676AbcBCTGS (ORCPT ); Wed, 3 Feb 2016 14:06:18 -0500 Received: by mail-lb0-f174.google.com with SMTP id dx2so17816947lbd.3 for ; Wed, 03 Feb 2016 11:06:16 -0800 (PST) Received: from [192.168.1.2] (ppp83-237-163-223.pppoe.mtu-net.ru. [83.237.163.223]) by smtp.googlemail.com with ESMTPSA id h187sm1064280lfg.18.2016.02.03.11.06.14 for (version=TLSv1/SSLv3 cipher=OTHER); Wed, 03 Feb 2016 11:06:15 -0800 (PST) Sender: linux-rt-users-owner@vger.kernel.org List-ID: This is a cryptographically signed message in MIME format. --------------ms000903020308000200070005 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: quoted-printable # ./cyclictest -sm -n -p99 --policy=3Dfifo -S -D60 # /dev/cpu_dma_latency set to 0us policy: fifo: loadavg: 2.89 1.37 0.64 1/506 15232 T: 0 (15179) P:99 I:1000 C: 59999 Min: 14 Act: 56 Avg: 51 Max: = 99 T: 1 (15180) P:99 I:1500 C: 39999 Min: 3 Act: 13 Avg: 29 Max: = 100 T: 2 (15181) P:99 I:2000 C: 29999 Min: 12 Act: 50 Avg: 48 Max: = 101 T: 3 (15182) P:99 I:2500 C: 23999 Min: 4 Act: 13 Avg: 29 Max: = 101 T: 4 (15183) P:99 I:3000 C: 19999 Min: 16 Act: 60 Avg: 51 Max: = 104 T: 5 (15184) P:99 I:3500 C: 17142 Min: 4 Act: 60 Avg: 30 Max: = 102 T: 6 (15185) P:99 I:4000 C: 14999 Min: 14 Act: 29 Avg: 51 Max: = 106 T: 7 (15186) P:99 I:4500 C: 13333 Min: 4 Act: 11 Avg: 32 Max: = 106 T: 8 (15187) P:99 I:5000 C: 11999 Min: 17 Act: 42 Avg: 47 Max: = 90 T: 9 (15188) P:99 I:5500 C: 10908 Min: 5 Act: 40 Avg: 29 Max: = 89 T:10 (15189) P:99 I:6000 C: 9999 Min: 18 Act: 43 Avg: 49 Max: = 99 T:11 (15190) P:99 I:6500 C: 9230 Min: 5 Act: 28 Avg: 29 Max: = 99 T:12 (15191) P:99 I:7000 C: 8571 Min: 14 Act: 56 Avg: 47 Max: = 98 T:13 (15192) P:99 I:7500 C: 7999 Min: 5 Act: 11 Avg: 31 Max: = 97 T:14 (15193) P:99 I:8000 C: 7499 Min: 16 Act: 64 Avg: 49 Max: = 100 T:15 (15194) P:99 I:8500 C: 7058 Min: 5 Act: 42 Avg: 30 Max: = 96 Minimum latency on even cores is approximately equal to 15, on the odd - = 5=20 =D0=90verage latency on the even - 50, on the odd cores - 30 :) - Linux 4.4.1-rt4+ x86_64 - gcc version 4.9.2 (Debian 4.9.2-10) - 2 x AMD Opteron(tm) Processor 4386 - Mb: TYAN S8225 --------------ms000903020308000200070005 Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: Криптографическая подпись S/MIME MIAGCSqGSIb3DQEHAqCAMIACAQExDzANBglghkgBZQMEAgEFADCABgkqhkiG9w0BBwEAAKCC Ck8wggSxMIIDmaADAgECAhBbLvAL7CpbaYZ7xtCHUmdkMA0GCSqGSIb3DQEBCwUAMFYxCzAJ BgNVBAYTAkNOMRowGAYDVQQKExFXb1NpZ24gQ0EgTGltaXRlZDErMCkGA1UEAwwiQ0Eg5rKD 6YCaIEVtYWlsIOWuouaIt+err+ivgeS5piBHMjAeFw0xNTA4MTMxMDEzMDRaFw0xODA4MTMx MDEzMDRaMDwxGTAXBgNVBAMMEGRpeGxvckBnbWFpbC5jb20xHzAdBgkqhkiG9w0BCQEWEGRp eGxvckBnbWFpbC5jb20wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDJoN4sNreJ MuGn56VM4fPCJsuHZx+ZXjbr4O325Zq0fTfZ0/SubgjzytYRdgbvCKE+cYX/rrQWYvCD++Xu 2ZAGLnOLyp0wiwX3jRi4zxH1k1V8H6g87GmuinA+Izid6EVsv96iTvGsXLXNsqfItM7YHA6p l5apjHNQj0jY8ofWatyGa/CHN/0mED/P7vPoA4Mvi5U/1++xEQHRir7GtRlAi/Iu+KXT8bpL gvnuAdMQbIp7XZB5AYfHDEo/1j0JI70jVcjxoRMELVKXIMxH+SLZR/b1poWv8iJPTLhsdOzx F7fw4y9QQLc7+2O8mn46YgpN6QXVvTT+FjgiSluNMAcJAgMBAAGjggGTMIIBjzALBgNVHQ8E BAMCBLAwHQYDVR0lBBYwFAYIKwYBBQUHAwIGCCsGAQUFBwMEMAkGA1UdEwQCMAAwHQYDVR0O BBYEFFMSojiy9brHblax+Yry/i2jCuf0MB8GA1UdIwQYMBaAFAi9toUMvYZZjUTFCjFrO2r4 1wh+MHUGCCsGAQUFBwEBBGkwZzAwBggrBgEFBQcwAYYkaHR0cDovL29jc3AyLndvc2lnbi5j bi9jYTJnMi9jbGllbnQxMDMGCCsGAQUFBzAChidodHRwOi8vYWlhMi53b3NpZ24uY24vY2Ey ZzIuY2xpZW50MS5jZXIwOQYDVR0fBDIwMDAuoCygKoYoaHR0cDovL2NybHMyLndvc2lnbi5j bi9jYTJnMi1jbGllbnQxLmNybDAbBgNVHREEFDASgRBkaXhsb3JAZ21haWwuY29tMEcGA1Ud IARAMD4wPAYNKwYBBAGCm1EGAQEBAjArMCkGCCsGAQUFBwIBFh1odHRwOi8vd3d3Lndvc2ln bi5jb20vcG9saWN5LzANBgkqhkiG9w0BAQsFAAOCAQEAwfGPem37jTnVHPzIXPLF9DkvkdhN hlUW871NimCYCkbF2E+0esITV/n0v7kRmOsWmhgpe6wT+al2eSR8vdtOjvEt7+aBr/yPek6R JR5OAsJs6j08ZO4cI/ljEPTKyEKGjOI31vvTMLN6t0cRkjCOvl/3b05ureW2kDXMAV/gFTkz I332ndbbhueX7OoUlMjGGCFUY2OXM15BtD7tJw3y8nv6O0WAQyhQgB2/LbVt4Q+Wd5ugz57P 1XQsi0oWNquvMrgbo3rQIaKHPtXq4GQQCDhd4vpsWnF+rD8JPMsJmlye+tMM7srDuPpNqKXq oD9NUyQXKeiuZNxHLHMhDzcyNTCCBZYwggN+oAMCAQICEFbouwvJz66+9T45KqtmBgQwDQYJ KoZIhvcNAQELBQAwRjELMAkGA1UEBhMCQ04xGjAYBgNVBAoTEVdvU2lnbiBDQSBMaW1pdGVk MRswGQYDVQQDDBJDQSDmsoPpgJrmoLnor4HkuaYwHhcNMTQxMTA4MDA1ODU4WhcNMjkxMTA4 MDA1ODU4WjBWMQswCQYDVQQGEwJDTjEaMBgGA1UEChMRV29TaWduIENBIExpbWl0ZWQxKzAp BgNVBAMMIkNBIOayg+mAmiBFbWFpbCDlrqLmiLfnq6/or4HkuaYgRzIwggEiMA0GCSqGSIb3 DQEBAQUAA4IBDwAwggEKAoIBAQDDFi3sZgVgARd8QuJGPZVKOv8pzhKVIaxpt2Ana5Xw+zRp fzMRlmISRZ/1+mdCiXe+6mDn+f04pItbfHMMiNZo3LEVUXYfNbeoUO+IW2DEnQhy6bahn4W1 5XNhtOwyPOZc31AGovih5pS+0Qxwhn4lsWhGCopTYvr56rybv0XizoQRp7HdjnlNn+0u1Zwr m+YkOi/rgBvguQ/UAA0ToXwfMEFoabwcgA0UTc6SwTGFvSu075bUVzH4cZS9T3Rc+ARlhZQI zebUipJDyR7SPtp4IKGfTiZh60/F4fPKbqpF7zdIK5rvMPI2l1w9GVCWG630ho7qs+H77o31 YP5PBYCNAgMBAAGjggFuMIIBajAOBgNVHQ8BAf8EBAMCAQYwHQYDVR0lBBYwFAYIKwYBBQUH AwIGCCsGAQUFBwMEMBIGA1UdEwEB/wQIMAYBAf8CAQAwLwYDVR0fBCgwJjAkoCKgIIYeaHR0 cDovL2NybHMyLndvc2lnbi5jbi9jYTIuY3JsMGsGCCsGAQUFBwEBBF8wXTAmBggrBgEFBQcw AYYaaHR0cDovL29jc3AyLndvc2lnbi5jbi9jYTIwMwYIKwYBBQUHMAKGJ2h0dHA6Ly9haWEy Lndvc2lnbi5jbi9jYTJnMi1jbGllbnQxLmNlcjAdBgNVHQ4EFgQUCL22hQy9hlmNRMUKMWs7 avjXCH4wHwYDVR0jBBgwFoAU4E2/3JtBXRPoZPCn6RWk4YHBujEwRwYDVR0gBEAwPjA8Bg0r BgEEAYKbUQYBAQECMCswKQYIKwYBBQUHAgEWHWh0dHA6Ly93d3cud29zaWduLmNvbS9wb2xp Y3kvMA0GCSqGSIb3DQEBCwUAA4ICAQCatndVeBsS4GtFpeGQ1dt2pGiFbDXTBbon9WUYxnyY 2Yxbioj3f1VJ380Lg3iKxrzGp+VaFIK3xQa3bd3Gmgldzcvn4MfnAcsclNIU0XOZJH+8d3yd JTvemfozxoI3Ke1oH1BR0BopGKWBtdCv3v4PwRexod0I2uYr2urAdbBICpaLa8Eb3nht3h+0 Tgpyplj3hzTwaPUC9b07y0j6MPA4qmp47Lm8/T+jdj83kz9oIQqlmNylC5L1YCuiKQ9yLmIa jgJ9tF/S3rskbS0JJEwRcMThtWpi4DjNOyx4rbcdZ8x1s/Z5a1ZSebYpZ7nL9wgCVp0VciHK UmFI8kgNWY0NL1HJ0OxGP0SHGA6pNm+jwVLvquIlTmT7X15y9oocflY7HiEsibjkYb+aY3Ya hd6N/FvH9VYAnnT298iW7zWJt5psvFhruNC+YVrJJp5l6h4uTQqwkE1Q8zs2oSww7BVZJwcj JF+OaygIhREKsJXNJZgkSliVna0qYqQVUHsbrXWrFRd+br8+IW2M1/qF9fShl8C6p/Iu1dSM AQgVy38kpSieCqgh1cHXspI6WV1PWJy+IK5vy4hmh+Nc3m9ZxihH1B8Ut6GGNvuR9u05KYpL q1gUbu36Z4pNQ00BtbouH2j/xPfXdr/qChyZl9nBjT+k4ClFWz/qYo12+5fMchNtBDGCA2gw ggNkAgEBMGowVjELMAkGA1UEBhMCQ04xGjAYBgNVBAoTEVdvU2lnbiBDQSBMaW1pdGVkMSsw KQYDVQQDDCJDQSDmsoPpgJogRW1haWwg5a6i5oi356uv6K+B5LmmIEcyAhBbLvAL7CpbaYZ7 xtCHUmdkMA0GCWCGSAFlAwQCAQUAoIIBzzAYBgkqhkiG9w0BCQMxCwYJKoZIhvcNAQcBMBwG CSqGSIb3DQEJBTEPFw0xNjAyMDMxOTA2MTNaMC8GCSqGSIb3DQEJBDEiBCASb5kJPHqV69J9 c/70GhG12GMN/Nd86iO/VTqr2YDgJjBsBgkqhkiG9w0BCQ8xXzBdMAsGCWCGSAFlAwQBKjAL BglghkgBZQMEAQIwCgYIKoZIhvcNAwcwDgYIKoZIhvcNAwICAgCAMA0GCCqGSIb3DQMCAgFA MAcGBSsOAwIHMA0GCCqGSIb3DQMCAgEoMHkGCSsGAQQBgjcQBDFsMGowVjELMAkGA1UEBhMC Q04xGjAYBgNVBAoTEVdvU2lnbiBDQSBMaW1pdGVkMSswKQYDVQQDDCJDQSDmsoPpgJogRW1h aWwg5a6i5oi356uv6K+B5LmmIEcyAhBbLvAL7CpbaYZ7xtCHUmdkMHsGCyqGSIb3DQEJEAIL MWygajBWMQswCQYDVQQGEwJDTjEaMBgGA1UEChMRV29TaWduIENBIExpbWl0ZWQxKzApBgNV BAMMIkNBIOayg+mAmiBFbWFpbCDlrqLmiLfnq6/or4HkuaYgRzICEFsu8AvsKltphnvG0IdS Z2QwDQYJKoZIhvcNAQEBBQAEggEAe95x9MB0nWoHqEI+VEahbn18y+gDa9+hH9XJ3no9nSX5 A4LZX+nUdh1xH+zw7TOMeF+6gsBJMWXg8sqKO1LIOFiP5M9SQW3XWvjinACYHGfqcrGsqTf0 7wmukAvJjSMLcJYXwzBnFM4iUAD2r7kVnJ3LNofGV3APJ/LxjINe39V3QJ17uFY4IAk8SMzl QY7iKghasBcqRStJJaF2pvuFZsm+c+ZKfTNdLkaH2HqxJoHvkixA6Bal7ezMRDCDze+ie3ZG sEc+y9/ozuVFC+07RGFJ48AJm3fIN7Y+9Dda+uni5smD6UmdgHt/yDCuigJMtYltwl6dV2q/ s2br7PFdTQAAAAAAAA== --------------ms000903020308000200070005--