** Summary changed: - low perforamnce after kernel upgrade + low performance after kernel upgrade
** Summary changed: - low performance after kernel upgrade + linux-lts-xenial 4.4.0-112.135~14.04.1: low performance after kernel upgrade ** Description changed: - After latest kernel installation my system became 3 times slower. + After latest kernel installation my system became 2-3 times slower. Here is test results: user@localhost:~$ uname -a Linux localhost 4.4.0-112-generic #135~14.04.1-Ubuntu SMP Tue Jan 23 20:41:10 UTC 2018 i686 i686 i686 GNU/Linux user@localhost:~$ 7z b 7-Zip 9.20 Copyright (c) 1999-2010 Igor Pavlov 2010-11-18 p7zip Version 9.20 (locale=ru_RU.UTF-8,Utf16=on,HugeFiles=on,2 CPUs) RAM size: 8035 MB, # CPU hardware threads: 2 RAM usage: 425 MB, # Benchmark threads: 2 Dict Compressing | Decompressing - Speed Usage R/U Rating | Speed Usage R/U Rating - KB/s % MIPS MIPS | KB/s % MIPS MIPS + Speed Usage R/U Rating | Speed Usage R/U Rating + KB/s % MIPS MIPS | KB/s % MIPS MIPS 22: 1676 130 1257 1630 | 29281 196 1346 2643 23: 1677 131 1307 1708 | 29059 196 1355 2660 24: 1679 132 1370 1805 | 28949 197 1364 2686 25: 1671 132 1446 1908 | 28716 197 1370 2701 ---------------------------------------------------------------- Avr: 131 1345 1763 197 1359 2673 Tot: 164 1352 2218 Installed kernel version: user@localhost:~$ LC_MESSAGES=C apt-cache policy linux-image-4.4.0-112-generic - linux-image-4.4.0-112-generic: - Installed: 4.4.0-112.135~14.04.1 - Candidate: 4.4.0-112.135~14.04.1 - Version table: - *** 4.4.0-112.135~14.04.1 0 - 500 http://mirror.yandex.ru/ubuntu/ trusty-proposed/main i386 Packages - 100 /var/lib/dpkg/status - + linux-image-4.4.0-112-generic: + Installed: 4.4.0-112.135~14.04.1 + Candidate: 4.4.0-112.135~14.04.1 + Version table: + *** 4.4.0-112.135~14.04.1 0 + 500 http://mirror.yandex.ru/ubuntu/ trusty-proposed/main i386 Packages + 100 /var/lib/dpkg/status Same test for linux-image-4.4.0-104-generic: user@localhost:~$ uname -a Linux localhost 4.4.0-104-generic #127~14.04.1-Ubuntu SMP Mon Dec 11 12:44:57 UTC 2017 i686 i686 i686 GNU/Linux user@localhost:~$ 7z b 7-Zip 9.20 Copyright (c) 1999-2010 Igor Pavlov 2010-11-18 p7zip Version 9.20 (locale=ru_RU.UTF-8,Utf16=on,HugeFiles=on,2 CPUs) RAM size: 8035 MB, # CPU hardware threads: 2 RAM usage: 425 MB, # Benchmark threads: 2 Dict Compressing | Decompressing - Speed Usage R/U Rating | Speed Usage R/U Rating - KB/s % MIPS MIPS | KB/s % MIPS MIPS + Speed Usage R/U Rating | Speed Usage R/U Rating + KB/s % MIPS MIPS | KB/s % MIPS MIPS 22: 5839 161 3531 5680 | 59612 198 2713 5382 23: 5864 162 3684 5975 | 59080 198 2726 5409 24: 5870 164 3842 6311 | 58559 199 2735 5434 25: 5884 166 4049 6718 | 57775 198 2749 5434 ---------------------------------------------------------------- Avr: 163 3777 6171 198 2731 5415 Tot: 181 3254 5793 ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: linux-image-4.4.0-112-generic 4.4.0-112.135~14.04.1 ProcVersionSignature: Ubuntu 4.4.0-104.127~14.04.1-generic 4.4.98 Uname: Linux 4.4.0-104-generic i686 NonfreeKernelModules: nvidia_drm nvidia_modeset nvidia ApportVersion: 2.14.1-0ubuntu3.27 Architecture: i386 CurrentDesktop: LXDE Date: Thu Jan 25 10:25:45 2018 InstallationDate: Installed on 2013-01-30 (1820 days ago) InstallationMedia: Lubuntu 12.10 "Quantal Quetzal" - Release i386 (20121017) SourcePackage: linux-lts-xenial UpgradeStatus: Upgraded to trusty on 2013-05-01 (1729 days ago) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1745314 Title: linux-lts-xenial 4.4.0-112.135~14.04.1: low performance after kernel upgrade To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-lts-xenial/+bug/1745314/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
