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 1104229-GR-LINUXPOWE97
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Linux 2.6.35
April 22 2011
 
Linux 2.6.38
April 22 2011
 
Linux 2.6.37
April 22 2011
 
Linux 2.6.36
April 22 2011
 
Linux 2.6.39 Dev
April 22 2011
 
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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

System Notes: Compiz was running on this system. Intel SpeedStep was enabled. This was running on battery power.

Linux 2.6.38

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

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

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

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

Linux Kernel Power RegressionOpenBenchmarking.orgPhoronix Test SuiteIntel T2400 @ 1.83GHz (2 Cores)LENOVO 2613EJUIntel Mobile 945GM/PM/GMS + ICH7-M1024MB80GB Hitachi HTS541080G9SA00ATI Radeon Mobility X1400 (392/350MHz)Analog Devices AD1981Ubuntu 10.102.6.35-22-generic (i686)2.6.38-020638-generic (i686)2.6.37-020637-generic (i686)2.6.36-020636-generic (i686)2.6.39-999-generic (i686)GNOME 2.32.0X Server 1.9.0radeon 6.13.1GCC 4.4.5ext41400x1050ProcessorMotherboardChipsetMemoryDiskGraphicsAudioOSKernelsDesktopDisplay ServerDisplay DriverCompilerFile-SystemScreen ResolutionLinux Kernel Power Regression BenchmarksSystem Logs- Compiz was running on this system. Intel SpeedStep was enabled. This was running on battery power.

Linux Kernel Power Regressionopenarena: 1280 x 960openssl: RSA 4096-bit PerformanceLinux 2.6.35Linux 2.6.38Linux 2.6.37Linux 2.6.36Linux 2.6.39 Dev31.937.9032.807.9031.577.9031.537.9032.837.88OpenBenchmarking.org

Timed Idle

MinAvgMaxLinux 2.6.35163081716718290Linux 2.6.38200602107622521Linux 2.6.37161051773719969Linux 2.6.36161071749218620Linux 2.6.39 Dev191862052722003OpenBenchmarking.orgMilliwatts, Fewer Is BetterTimed IdleSYS Power Monitor6K12K18K24K30K

OpenArena

This is a test of OpenArena, a popular open-source first-person shooter. This game is based upon ioquake3, which in turn uses the GPL version of id Software's Quake 3 engine. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgFrames Per Second, More Is BetterOpenArena 0.8.5Resolution: 1280 x 960Linux 2.6.35Linux 2.6.38Linux 2.6.37Linux 2.6.36Linux 2.6.39 Dev816243240SE +/- 0.33, N = 3SE +/- 0.00, N = 3SE +/- 0.03, N = 3SE +/- 0.03, N = 3SE +/- 0.03, N = 331.9332.8031.5731.5332.83
OpenBenchmarking.orgFrames Per Second, More Is BetterOpenArena 0.8.5Resolution: 1280 x 960Linux 2.6.35Linux 2.6.38Linux 2.6.37Linux 2.6.36Linux 2.6.39 Dev714212835Min: 31.6 / Avg: 31.93 / Max: 32.6Min: 32.8 / Avg: 32.8 / Max: 32.8Min: 31.5 / Avg: 31.57 / Max: 31.6Min: 31.5 / Avg: 31.53 / Max: 31.6Min: 32.8 / Avg: 32.83 / Max: 32.9

MinAvgMaxLinux 2.6.35195142511626566Linux 2.6.38221302880130308Linux 2.6.37193382532826854Linux 2.6.36181992529026884Linux 2.6.39 Dev240652787629212OpenBenchmarking.orgMilliwatts, Fewer Is BetterOpenArena 0.8.5SYS Power Monitor7K14K21K28K35K

OpenSSL

OpenBenchmarking.orgSigns Per Second, More Is BetterOpenSSL 1.0.0aRSA 4096-bit PerformanceLinux 2.6.35Linux 2.6.38Linux 2.6.37Linux 2.6.36Linux 2.6.39 Dev246810SE +/- 0.00, N = 4SE +/- 0.00, N = 4SE +/- 0.00, N = 4SE +/- 0.00, N = 4SE +/- 0.03, N = 47.907.907.907.907.88
OpenBenchmarking.orgSigns Per Second, More Is BetterOpenSSL 1.0.0aRSA 4096-bit PerformanceLinux 2.6.35Linux 2.6.38Linux 2.6.37Linux 2.6.36Linux 2.6.39 Dev3691215Min: 7.9 / Avg: 7.9 / Max: 7.9Min: 7.9 / Avg: 7.9 / Max: 7.9Min: 7.9 / Avg: 7.9 / Max: 7.9Min: 7.9 / Avg: 7.9 / Max: 7.9Min: 7.8 / Avg: 7.88 / Max: 7.9

MinAvgMaxLinux 2.6.35235432761628745Linux 2.6.38254173128632563Linux 2.6.37224632744428754Linux 2.6.36225512736428543Linux 2.6.39 Dev270893053031742OpenBenchmarking.orgMilliwatts, Fewer Is BetterOpenSSL 1.0.0aSYS Power Monitor8K16K24K32K40K

SYS Power Monitor

MinAvgMaxLinux 2.6.35163082415728745Linux 2.6.38200602786932563Linux 2.6.37160812436528754Linux 2.6.36161032431028543Linux 2.6.39 Dev191802702531742OpenBenchmarking.orgMilliwattsSYS Power MonitorPhoronix Test Suite System Monitoring8K16K24K32K40K

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

System Notes: Compiz was running on this system. Intel SpeedStep was enabled. This was running on battery power.

Testing initiated at 22 April 2011 15:21 by user phoronix.

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

System Notes: Compiz was running on this system. Intel SpeedStep was enabled. This was running on battery power.

Testing initiated at 22 April 2011 15:34 by user phoronix.

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

System Notes: Compiz was running on this system. Intel SpeedStep was enabled. This was running on battery power.

Testing initiated at 22 April 2011 15:48 by user phoronix.

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

System Notes: Compiz was running on this system. Intel SpeedStep was enabled. This was running on battery power.

Testing initiated at 22 April 2011 16:04 by user phoronix.

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

System Notes: Compiz was running on this system. Intel SpeedStep was enabled. This was running on battery power.

Testing initiated at 22 April 2011 16:19 by user phoronix.