Linux Kernel Power Regression

Power tests for Phoronix showing big regression. This is just one of the systems and one of the quick tests for the Friday article.

Compare your own system(s) to this result file with the Phoronix Test Suite by running the command: phoronix-test-suite benchmark 1104223-GR-LINUXPOWE47

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Linux Kernel Power Regression Power tests for Phoronix showing big regression. This is just one of the systems and one of the quick tests for the Friday article. Linux 2.6.35: Processor: Intel T2400 @ 1.83GHz (2 Cores), Motherboard: LENOVO 2613EJU, Chipset: Intel Mobile 945GM/PM/GMS + ICH7-M, Memory: 1024MB, Disk: 80GB Hitachi HTS541080G9SA00, Graphics: ATI Radeon Mobility X1400 (392/350MHz), Audio: Analog Devices AD1981 OS: Ubuntu 10.10, Kernel: 2.6.35-22-generic (i686), Desktop: GNOME 2.32.0, Display Server: X Server 1.9.0, Display Driver: radeon 6.13.1, Compiler: GCC 4.4.5, File-System: ext4, Screen Resolution: 1400x1050 Linux 2.6.38: Processor: Intel T2400 @ 1.83GHz (2 Cores), Motherboard: LENOVO 2613EJU, Chipset: Intel Mobile 945GM/PM/GMS + ICH7-M, Memory: 1024MB, Disk: 80GB Hitachi HTS541080G9SA00, Graphics: ATI Radeon Mobility X1400 (392/350MHz), Audio: Analog Devices AD1981 OS: Ubuntu 10.10, Kernel: 2.6.38-020638-generic (i686), Desktop: GNOME 2.32.0, Display Server: X Server 1.9.0, Display Driver: radeon 6.13.1, Compiler: GCC 4.4.5, File-System: ext4, Screen Resolution: 1400x1050 Linux 2.6.37: Processor: Intel T2400 @ 1.83GHz (2 Cores), Motherboard: LENOVO 2613EJU, Chipset: Intel Mobile 945GM/PM/GMS + ICH7-M, Memory: 1024MB, Disk: 80GB Hitachi HTS541080G9SA00, Graphics: ATI Radeon Mobility X1400 (392/350MHz), Audio: Analog Devices AD1981 OS: Ubuntu 10.10, Kernel: 2.6.37-020637-generic (i686), Desktop: GNOME 2.32.0, Display Server: X Server 1.9.0, Display Driver: radeon 6.13.1, Compiler: GCC 4.4.5, File-System: ext4, Screen Resolution: 1400x1050 Linux 2.6.36: Processor: Intel T2400 @ 1.83GHz (2 Cores), Motherboard: LENOVO 2613EJU, Chipset: Intel Mobile 945GM/PM/GMS + ICH7-M, Memory: 1024MB, Disk: 80GB Hitachi HTS541080G9SA00, Graphics: ATI Radeon Mobility X1400 (392/350MHz), Audio: Analog Devices AD1981 OS: Ubuntu 10.10, Kernel: 2.6.36-020636-generic (i686), Desktop: GNOME 2.32.0, Display Server: X Server 1.9.0, Display Driver: radeon 6.13.1, Compiler: GCC 4.4.5, File-System: ext4, Screen Resolution: 1400x1050 Linux 2.6.39 Dev: Processor: Intel T2400 @ 1.83GHz (2 Cores), Motherboard: LENOVO 2613EJU, Chipset: Intel Mobile 945GM/PM/GMS + ICH7-M, Memory: 1024MB, Disk: 80GB Hitachi HTS541080G9SA00, Graphics: ATI Radeon Mobility X1400 (392/350MHz), Audio: Analog Devices AD1981 OS: Ubuntu 10.10, Kernel: 2.6.39-999-generic (i686), Desktop: GNOME 2.32.0, Display Server: X Server 1.9.0, Display Driver: radeon 6.13.1, Compiler: GCC 4.4.5, File-System: ext4, Screen Resolution: 1400x1050 OpenArena 0.8.5 Resolution: 1280 x 960 Frames Per Second > Higher Is Better Linux 2.6.35 ..... 31.93 |==================================================== Linux 2.6.38 ..... 32.80 |===================================================== Linux 2.6.37 ..... 31.57 |=================================================== Linux 2.6.36 ..... 31.53 |=================================================== Linux 2.6.39 Dev . 32.83 |===================================================== OpenArena 0.8.5 SYS Power Monitor Milliwatts < Lower Is Better Linux 2.6.35 ..... MIN: 19514 AVG: 25116 MAX: 26566 Linux 2.6.38 ..... MIN: 22130 AVG: 28801 MAX: 30308 Linux 2.6.37 ..... MIN: 19338 AVG: 25328 MAX: 26854 Linux 2.6.36 ..... MIN: 18199 AVG: 25290 MAX: 26884 Linux 2.6.39 Dev . MIN: 24065 AVG: 27876 MAX: 29212 OpenSSL 1.0.0a RSA 4096-bit Performance Signs Per Second > Higher Is Better Linux 2.6.35 ..... 7.90 |====================================================== Linux 2.6.38 ..... 7.90 |====================================================== Linux 2.6.37 ..... 7.90 |====================================================== Linux 2.6.36 ..... 7.90 |====================================================== Linux 2.6.39 Dev . 7.88 |====================================================== OpenSSL 1.0.0a SYS Power Monitor Milliwatts < Lower Is Better Linux 2.6.35 ..... MIN: 23543 AVG: 27616 MAX: 28745 Linux 2.6.38 ..... MIN: 25417 AVG: 31286 MAX: 32563 Linux 2.6.37 ..... MIN: 22463 AVG: 27444 MAX: 28754 Linux 2.6.36 ..... MIN: 22551 AVG: 27364 MAX: 28543 Linux 2.6.39 Dev . MIN: 27089 AVG: 30530 MAX: 31742 SYS Power Monitor Phoronix Test Suite System Monitoring Milliwatts Linux 2.6.35 ..... MIN: 16308 AVG: 24157 MAX: 28745 Linux 2.6.38 ..... MIN: 20060 AVG: 27869 MAX: 32563 Linux 2.6.37 ..... MIN: 16081 AVG: 24365 MAX: 28754 Linux 2.6.36 ..... MIN: 16103 AVG: 24310 MAX: 28543 Linux 2.6.39 Dev . MIN: 19180 AVG: 27025 MAX: 31742 Timed Idle SYS Power Monitor Milliwatts < Lower Is Better Linux 2.6.35 ..... MIN: 16308 AVG: 17167 MAX: 18290 Linux 2.6.38 ..... MIN: 20060 AVG: 21076 MAX: 22521 Linux 2.6.37 ..... MIN: 16105 AVG: 17737 MAX: 19969 Linux 2.6.36 ..... MIN: 16107 AVG: 17492 MAX: 18620 Linux 2.6.39 Dev . MIN: 19186 AVG: 20527 MAX: 22003