| glxgears frames per second | fairness - random values generated | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| kernel | startup | min | max | avg | stddev | min | max | avg | stddev | Comments |
| 2.6.20-1.2948.fc6 | 394.6 34.3 625.2 | 640.3 468.6 648.5 | 800.7 756.9 783.8 | 711.5 646.0 708.5 | 57.75 88.60 43.80 | 176832 172707 172025 | 195289 210151 205314 | 188693 198579 190195 | 7319.1 15067.9 12181.0 | boot and two reruns gears display and stop, xterms stop for 400-1500ms est. Very twitchy. |
| 2.6.20-1.2948.fc6-x86_64 | 563.1 834.1 939.9 | 731.4 656.9 799.7 | 1046.8 1068.5 1032.8 | 890.2 886.5 932.8 | 100.16 106.71 75.95 | 209982 204131 195893 | 219504 221042 213010 | 214732 212010 206761 | 3635.7 6923.2 6531.4 | boot and two reruns. Significant 1-2sec stops on boot, visible pauses on reruns. |
| 2.6.21 | 279.0 | 482.9 | 778.2 | 582.1 | 92.19 | 482.9 | 778.2 | 582.1 | 92.19 | untouched kernel.org Visible startup stoppage, but lots of little jitter running. Several xterms stopped for >1sec. |
| 2.6.21.1 | 187.6 543.8 594.1 | 445.9 485.8 437.2 | 591.8 622.2 598.0 | 529.1 548.8 531.3 | 40.65 38.61 49.39 | 175280 176098 175579 | 202454 190254 193228 | 191615 183278 185438 | 10243.2 5097.0 6350.2 | boot and reruns lots of pauses on various processes, not just the gears. |
| 2.6.21.1-cfs-v13 | 796.7 801.7 794.0 | 777.2 803.8 754.8 | 836.6 832.1 856.4 | 805.8 819.8 808.4 | 18.77 8.54 33.05 | 226025 228147 226990 | 233694 236293 242531 | 229992 233048 233850 | 3535.1 3027.2 6521.3 | boot and reruns smooooth! And 1st run after boot matches reruns. |
| 2.6.21.1-sd048 | 316.6 298.4 277.4 | 240.8 234.9 241.8 | 329.7 339.0 317.8 | 273.5 289.8 286.7 | 26.66 30.34 20.85 | 240026 252468 255778 | 273619 273907 275353 | 256654 263638 262933 | 13978.9 7921.5 7826.1 | Very jerky but no prolonged stops observed. |
| 2.6.21.1-sd048_rr4 | 343.7 305.7 309.2 | 242.6 252.4 221.9 | 307.3 359.1 312.1 | 281.1 302.5 277.8 | 18.30 30.21 31.59 | 249737 257627 252371 | 278365 266456 266619 | 262272 262155 262128 | 10496.3 4292.6 5781.6 | Set the rr_interval down to 4. Still very jerky. |
| 2.6.21-ck2 | 398.0 389.5 388.4 | 288.6 328.2 312.7 | 422.2 504.7 432.7 | 354.4 377.8 362.5 | 38.71 50.74 39.81 | 240773 234137 241433 | 248674 259312 248080 | 244484 245711 244681 | 2866.1 10134.3 2923.5 | |