New Battery Tests From Ubuntu
New set of Ubuntu Linux battery power tests from varying Linux vanilla kernels in still looking at the Linux kernel power regression. For a future article on Phoronix.com.


Linux 2.6.36: 

	Processor: Intel Core i7 Q 720 @ 1.47GHz (8 Cores), Motherboard: LENOVO 4318CTO, Chipset: Intel Core DMI, Memory: 4096MB, Disk: 160GB INTEL SSDSA2M160, Graphics: NVIDIA Quadro FX 880M 1024MB, Audio: Conexant CX20585, Network: Intel 82577LM Gigabit Connection + Intel Centrino Ultimate-N 6300

	OS: Ubuntu 10.10, Kernel: 2.6.36-020636-generic (x86_64), Desktop: GNOME 2.32.0, Display Server: X Server 1.9.0, Display Driver: nouveau 0.0.16, OpenGL: 2.1 Mesa 7.11-devel (git-7074801) Gallium 0.4, Compiler: GCC 4.4.5 + llvm 2.8 (Ubuntu 2.8-0ubuntu1), File-System: ext4, Screen Resolution: 1600x900

Linux 2.6.37: 

	Processor: Intel Core i7 Q 720 @ 1.47GHz (8 Cores), Motherboard: LENOVO 4318CTO, Chipset: Intel Core DMI, Memory: 4096MB, Disk: 160GB INTEL SSDSA2M160, Graphics: NVIDIA Quadro FX 880M 1024MB (550/950MHz), Audio: Conexant CX20585, Network: Intel 82577LM Gigabit Connection + Intel Centrino Ultimate-N 6300

	OS: Ubuntu 10.10, Kernel: 2.6.37-020637-generic (x86_64), Desktop: GNOME 2.32.0, Display Server: X Server 1.9.0, Display Driver: nouveau 0.0.16, OpenGL: 2.1 Mesa 7.11-devel (git-7074801) Gallium 0.4, Compiler: GCC 4.4.5 + llvm 2.8 (Ubuntu 2.8-0ubuntu1), File-System: ext4, Screen Resolution: 1600x900

Linux 2.6.38: 

	Processor: Intel Core i7 Q 720 @ 1.47GHz (8 Cores), Motherboard: LENOVO 4318CTO, Chipset: Intel Core DMI, Memory: 4096MB, Disk: 160GB INTEL SSDSA2M160, Graphics: NVIDIA Quadro FX 880M 1024MB (550/950MHz), Audio: Conexant CX20585, Network: Intel 82577LM Gigabit Connection + Intel Centrino Ultimate-N 6300

	OS: Ubuntu 10.10, Kernel: 2.6.38-020638-generic (x86_64), Desktop: GNOME 2.32.0, Display Server: X Server 1.9.0, Display Driver: nouveau 0.0.16, OpenGL: 2.1 Mesa 7.11-devel (git-7074801) Gallium 0.4, Compiler: GCC 4.4.5 + llvm 2.8 (Ubuntu 2.8-0ubuntu1), File-System: ext4, Screen Resolution: 1600x900

Linux 3.0: 

	Processor: Intel Core i7 Q 720 @ 1.47GHz (8 Cores), Motherboard: LENOVO 4318CTO, Chipset: Intel Core DMI, Memory: 4096MB, Disk: 160GB INTEL SSDSA2M160, Graphics: NVIDIA Quadro FX 880M 1024MB (550/790MHz), Audio: Conexant CX20585, Network: Intel 82577LM Gigabit Connection + Intel Centrino Ultimate-N 6300

	OS: Ubuntu 10.10, Kernel: 3.0.0-0300-generic (x86_64), Desktop: GNOME 2.32.0, Display Server: X Server 1.9.0, Display Driver: nouveau 0.0.16, OpenGL: 2.1 Mesa 7.11-devel (git-7074801) Gallium 0.4, Compiler: GCC 4.4.5 + llvm 2.8 (Ubuntu 2.8-0ubuntu1), File-System: ext4, Screen Resolution: 1600x900

Linux 3.0.1: 

	Processor: Intel Core i7 Q 720 @ 1.60GHz (8 Cores), Motherboard: LENOVO 4318CTO, Chipset: Intel Core DMI, Memory: 4096MB, Disk: 160GB INTEL SSDSA2M160, Graphics: NVIDIA Quadro FX 880M 1024MB (550/790MHz), Audio: Conexant CX20585, Network: Intel 82577LM Gigabit Connection + Intel Centrino Ultimate-N 6300

	OS: Ubuntu 10.10, Kernel: 3.0.1-030001-generic (x86_64), Desktop: GNOME 2.32.0, Display Server: X Server 1.9.0, Display Driver: nouveau 0.0.16, OpenGL: 2.1 Mesa 7.11-devel (git-7074801) Gallium 0.4, Compiler: GCC 4.4.5 + llvm 2.8 (Ubuntu 2.8-0ubuntu1), File-System: ext4, Screen Resolution: 1600x900

Linux 3.1: 

	Processor: Intel Core i7 Q 720 @ 1.60GHz (8 Cores), Motherboard: LENOVO 4318CTO, Chipset: Intel Core DMI, Memory: 4096MB, Disk: 160GB INTEL SSDSA2M160, Graphics: NVIDIA Quadro FX 880M 1024MB (550/790MHz), Audio: Conexant CX20585, Network: Intel 82577LM Gigabit Connection + Intel Centrino Ultimate-N 6300

	OS: Ubuntu 10.10, Kernel: 3.1.0-999-generic (x86_64), Desktop: GNOME 2.32.0, Display Server: X Server 1.9.0, Display Driver: nouveau 0.0.16, OpenGL: 2.1 Mesa 7.11-devel (git-7074801) Gallium 0.4, Compiler: GCC 4.4.5 + llvm 2.8 (Ubuntu 2.8-0ubuntu1), File-System: ext4, Screen Resolution: 1600x900

Linux 3.1 + ASPM: 

	Processor: Intel Core i7 Q 720 @ 1.47GHz (8 Cores), Motherboard: LENOVO 4318CTO, Chipset: Intel Core DMI, Memory: 4096MB, Disk: 160GB INTEL SSDSA2M160, Graphics: NVIDIA Quadro FX 880M 1024MB (550/790MHz), Audio: Conexant CX20585, Network: Intel 82577LM Gigabit Connection + Intel Centrino Ultimate-N 6300

	OS: Ubuntu 10.10, Kernel: 3.1.0-999-generic (x86_64), Desktop: GNOME 2.32.0, Display Server: X Server 1.9.0, Display Driver: nouveau 0.0.16, OpenGL: 2.1 Mesa 7.11-devel (git-7074801) Gallium 0.4, Compiler: GCC 4.4.5 + llvm 2.8 (Ubuntu 2.8-0ubuntu1), File-System: ext4, Screen Resolution: 1600x900


Battery Power Usage
Idle, DPMS Off, Video Playback
Milliwatts
Linux 2.6.36 ..... MIN: 20037  AVG: 27491  MAX: 39934 
Linux 2.6.37 ..... MIN: 18066  AVG: 25612  MAX: 39044 
Linux 2.6.38 ..... MIN: 26687  AVG: 33944  MAX: 44915 
Linux 3.0 ........ MIN: 26469  AVG: 33409  MAX: 44989 
Linux 3.0.1 ...... MIN: 26245  AVG: 33168  MAX: 44645 
Linux 3.1 ........ MIN: 26493  AVG: 33285  MAX: 44857 
Linux 3.1 + ASPM . MIN: 21726  AVG: 28727  MAX: 39893 


Battery Power Usage
System Power Consumption Monitor
Milliwatts < Lower Is Better
Linux 2.6.36 ..... MIN: 20037  AVG: 27515  MAX: 39934 
Linux 2.6.37 ..... MIN: 18066  AVG: 25677  MAX: 39044 
Linux 2.6.38 ..... MIN: 26687  AVG: 33950  MAX: 45084 
Linux 3.0 ........ MIN: 26469  AVG: 33445  MAX: 45006 
Linux 3.0.1 ...... MIN: 26245  AVG: 33186  MAX: 44645 
Linux 3.1 ........ MIN: 26493  AVG: 33310  MAX: 44857 
Linux 3.1 + ASPM . MIN: 21757  AVG: 28761  MAX: 39893 


OpenArena 0.8.5
Resolution: 1600 x 900
Frames Per Second > Higher Is Better
Linux 2.6.36 ..... 66.90  |================================
Linux 2.6.37 ..... 42.77  |=====================
Linux 2.6.38 ..... 43.17  |=====================
Linux 3.0 ........ 106.57 |===================================================
Linux 3.0.1 ...... 106.57 |===================================================
Linux 3.1 ........ 107.47 |====================================================
Linux 3.1 + ASPM . 107.63 |====================================================


OpenArena 0.8.5
System Power Consumption Monitor
Milliwatts < Lower Is Better
Linux 2.6.36 ..... MIN: 36672  AVG: 42700  MAX: 44262 
Linux 2.6.37 ..... MIN: 35438  AVG: 45151  MAX: 47648 
Linux 2.6.38 ..... MIN: 42725  AVG: 51413  MAX: 53694 
Linux 3.0 ........ MIN: 42895  AVG: 48731  MAX: 51082 
Linux 3.0.1 ...... MIN: 42412  AVG: 48397  MAX: 50484 
Linux 3.1 ........ MIN: 42052  AVG: 49067  MAX: 51295 
Linux 3.1 + ASPM . MIN: 37089  AVG: 44555  MAX: 47097 


C-Ray 1.1
Total Time
Seconds < Lower Is Better
Linux 2.6.36 ..... 136.59 |====================================================
Linux 2.6.37 ..... 136.47 |====================================================
Linux 2.6.38 ..... 136.79 |====================================================
Linux 3.0 ........ 137.03 |====================================================
Linux 3.0.1 ...... 137.16 |====================================================
Linux 3.1 ........ 136.84 |====================================================
Linux 3.1 + ASPM . 136.75 |====================================================


C-Ray 1.1
System Power Consumption Monitor
Milliwatts < Lower Is Better
Linux 2.6.36 ..... MIN: 40829  AVG: 66033  MAX: 67739 
Linux 2.6.37 ..... MIN: 47966  AVG: 65197  MAX: 66699 
Linux 2.6.38 ..... MIN: 44749  AVG: 72414  MAX: 74323 
Linux 3.0 ........ MIN: 43195  AVG: 72316  MAX: 74370 
Linux 3.0.1 ...... MIN: 48627  AVG: 71884  MAX: 74399 
Linux 3.1 ........ MIN: 53864  AVG: 72629  MAX: 74820 
Linux 3.1 + ASPM . MIN: 44553  AVG: 66755  MAX: 68586 


System Power Consumption Monitor
Phoronix Test Suite System Monitoring
Milliwatts
Linux 2.6.36 ..... MIN: 20037  AVG: 52216  MAX: 67739 
Linux 2.6.37 ..... MIN: 18066  AVG: 51280  MAX: 66699 
Linux 2.6.38 ..... MIN: 26687  AVG: 58555  MAX: 74323 
Linux 3.0 ........ MIN: 26469  AVG: 59053  MAX: 74370 
Linux 3.0.1 ...... MIN: 26245  AVG: 58681  MAX: 74399 
Linux 3.1 ........ MIN: 26493  AVG: 59226  MAX: 74820 
Linux 3.1 + ASPM . MIN: 21757  AVG: 53963  MAX: 68586