Hello, Performance evaluation of Linux Kernel v6.10-rc5 is finished. Comparison is done to baseline Linux Kernel version: v6.9. The following configuration was used for all targets: - Instance CPU: graviton3 - Number of cores: 2 - RAM size, GB: 7.6 - OS: Debian Linux 12 (bookworm)

Regressions by test

Benchmark/Test/Metric, Units | Baseline Mean | Current Mean | Diff, % | SD | Samples | Confidence interval ------------------------------------------------------------------------------------------------------------------------------------------------------ aim9/brk_test/System Memory Allocations, OPS | 2024031.020 | 2008833.335 | 0.841 | 15981.304 | 120 | 2025343.934 / 2031098.615 fio/writer/writer-write, OPS | 97798.885 | 67325.199 | 25.764 | 72300.888 | 60 | 85492.996 / 122116.078 stressng/context/Context Switches, switches/s - context-1 | 2413.745 | 2366.265 | 1.974 | 5.545 | 21 | 2411.869 / 2416.544 - context-2 | 4841.600 | 4757.130 | 1.716 | 8.553 | 21 | 4836.322 / 4843.231 - context-4 | 4752.505 | 4712.375 | 0.646 | 56.213 | 21 | 4715.545 / 4762.271 - context-8 | 4753.285 | 4713.330 | 0.725 | 42.188 | 21 | 4727.178 / 4762.383 - context-16 | 4753.605 | 4711.875 | 0.861 | 26.756 | 21 | 4740.353 / 4762.158 - context-32 | 4756.705 | 4721.310 | 0.628 | 42.255 | 21 | 4729.786 / 4764.480 - context-64 | 4759.445 | 4728.605 | 0.505 | 46.395 | 21 | 4732.590 / 4770.716 - context-128 | 4814.425 | 4759.170 | 0.936 | 43.430 | 21 | 4784.785 / 4820.130 stressng/fork/Forks, OPS - fork-4 | 6922.335 | 6846.845 | 0.595 | 181.515 | 105 | 6905.004 / 6973.439 - fork-8 | 6751.675 | 6645.580 | 1.540 | 175.721 | 105 | 6733.361 / 6800.310 - fork-16 | 6639.680 | 6536.265 | 1.157 | 230.738 | 105 | 6605.904 / 6691.617 - fork-32 | 6469.605 | 6351.585 | 1.843 | 199.299 | 105 | 6435.213 / 6512.344 - fork-64 | 6226.470 | 6050.965 | 3.055 | 229.732 | 105 | 6202.757 / 6290.235 - fork-128 | 5938.430 | 5824.840 | 2.447 | 260.748 | 105 | 5922.094 / 6020.485 stressng/get/Read Throughput, MB/s - get-1 | 2828.900 | 2793.915 | 1.113 | 41.018 | 70 | 2814.521 / 2833.488 - get-4 | 2878.250 | 2848.490 | 1.126 | 83.756 | 70 | 2853.543 / 2892.408 stressng/madvise/Access calls, OPS - madvise-1 | 39.925 | 38.445 | 3.726 | 0.901 | 105 | 39.717 / 40.055 - madvise-2 | 77.400 | 74.895 | 3.051 | 2.653 | 105 | 76.821 / 77.835 - madvise-4 | 87.550 | 85.125 | 2.941 | 1.662 | 105 | 87.288 / 87.916 - madvise-8 | 88.070 | 85.405 | 3.131 | 1.859 | 105 | 87.739 / 88.446 - madvise-16 | 87.235 | 84.830 | 3.080 | 1.978 | 105 | 86.901 / 87.640 - madvise-32 | 86.300 | 83.885 | 3.077 | 1.805 | 105 | 85.999 / 86.684 - madvise-64 | 85.615 | 83.190 | 3.066 | 1.923 | 105 | 85.282 / 86.023 - madvise-128 | 84.730 | 81.780 | 3.566 | 1.741 | 105 | 84.442 / 85.099 stressng/vm-splice/Transfer Rate, MB/s - vm-splice-1 | 393962.125 | 380884.680 | 3.338 | 1375.412 | 70 | 393557.679 / 394193.506 - vm-splice-2 | 985842.100 | 955996.310 | 3.014 | 3171.138 | 70 | 984987.661 / 986448.773 - vm-splice-4 | 1112662.825 | 1085601.655 | 2.410 | 4974.978 | 70 | 1111703.539 / 1114047.566 - vm-splice-8 | 1196704.405 | 1167308.690 | 2.471 | 5363.710 | 70 | 1195240.562 / 1197725.298 - vm-splice-16 | 1241430.610 | 1206691.725 | 2.798 | 5841.721 | 70 | 1239884.083 / 1242606.569 - vm-splice-32 | 1243408.735 | 1205210.870 | 3.071 | 5133.764 | 70 | 1242267.819 / 1244628.719 - vm-splice-64 | 1241989.475 | 1210209.025 | 2.556 | 5385.394 | 70 | 1240609.336 / 1243102.559 - vm-splice-128 | 1248649.105 | 1212717.895 | 2.864 | 6197.063 | 70 | 1247271.017 / 1250112.895 sysbench/mutex/Events, OPS | 9991.017 | 9599.048 | 4.210 | 1446.210 | 56 | 9434.313 / 10169.427 wis/futex1-threads/Futex, OPS - futex1-threads-2 | 7331384.000 | 7284264.500 | 0.590 | 19642.783 | 40 | 7320680.786 / 7332620.586 - futex1-threads-5 | 7345486.500 | 7292154.000 | 0.730 | 18849.538 | 40 | 7338685.872 / 7350282.645 - futex1-threads-8 | 7345137.750 | 7298011.000 | 0.514 | 37983.921 | 40 | 7324579.433 / 7347620.029 - futex1-threads-12 | 7355575.500 | 7303781.500 | 0.719 | 11125.573 | 40 | 7351143.157 / 7358021.168 - futex1-threads-21 | 7361320.500 | 7305515.000 | 0.751 | 9466.763 | 40 | 7356681.171 / 7362429.214 - futex1-threads-30 | 7359961.000 | 7300230.500 | 0.807 | 7729.312 | 40 | 7357069.488 / 7361786.599 - futex1-threads-48 | 7351592.500 | 7309618.000 | 0.591 | 6461.848 | 40 | 7351385.098 / 7355354.709 - futex1-threads-79 | 7358242.000 | 7308607.500 | 0.692 | 11973.766 | 40 | 7353975.894 / 7361353.356 - futex1-threads-110 | 7354987.000 | 7304531.000 | 0.673 | 7643.182 | 40 | 7351888.976 / 7356472.944 - futex1-threads-128 | 7488506.000 | 7428399.500 | 0.746 | 27867.865 | 40 | 7475077.688 / 7492044.614 wis/futex3-threads/Futex, OPS - futex3-threads-30 | 9408300.500 | 9380256.000 | 0.639 | 16189.516 | 40 | 9402458.322 / 9412406.551 - futex3-threads-79 | 9419871.250 | 9379065.000 | 0.643 | 9673.762 | 40 | 9417409.600 / 9423269.750 wis/pipe1-threads/Pipe, OPS - pipe1-threads-2 | 2953808.000 | 2836051.000 | 4.096 | 32265.170 | 40 | 2947591.564 / 2967304.694 - pipe1-threads-5 | 2902003.750 | 2808807.500 | 3.244 | 35961.675 | 40 | 2891343.652 / 2913314.310 - pipe1-threads-8 | 2902555.250 | 2797466.500 | 3.955 | 38328.801 | 40 | 2890867.899 / 2914501.971 - pipe1-threads-12 | 2893482.250 | 2798925.000 | 3.338 | 37131.352 | 40 | 2884542.474 / 2907327.818 - pipe1-threads-21 | 2898269.500 | 2781471.000 | 4.220 | 38567.680 | 40 | 2888091.931 / 2911775.462 - pipe1-threads-30 | 2893691.750 | 2772565.000 | 4.414 | 37063.065 | 40 | 2886426.264 / 2908849.549 - pipe1-threads-48 | 2897777.250 | 2785544.000 | 3.849 | 36639.153 | 40 | 2887350.688 / 2909847.167 - pipe1-threads-79 | 2899279.250 | 2768002.500 | 4.559 | 36845.516 | 40 | 2888371.391 / 2910716.188 - pipe1-threads-110 | 2884872.250 | 2770956.000 | 4.240 | 51646.569 | 40 | 2866295.525 / 2897785.042 - pipe1-threads-128 | 2910726.750 | 2831037.000 | 2.793 | 42884.068 | 40 | 2897187.420 / 2923784.775 wis/pthread_mutex1-threads/Mutex, OPS - pthread_mutex1-threads-5 | 14964128.250 | 14225412.000 | 3.902 | 967263.602 | 40 | 14413067.341 / 15008825.215 - pthread_mutex1-threads-21 | 15001573.500 | 13764075.500 | 6.863 | 695259.838 | 40 | 14691176.210 / 15112893.191 wis/sched_yield-threads/Context Switches, OPS - sched_yield-threads-5 | 2803251.000 | 2739170.000 | 1.637 | 44282.527 | 40 | 2789015.746 / 2816083.465 - sched_yield-threads-8 | 2676167.750 | 2621844.500 | 2.074 | 24688.255 | 40 | 2670476.766 / 2685268.877 - sched_yield-threads-12 | 2537788.750 | 2510135.500 | 1.227 | 45024.342 | 40 | 2521879.751 / 2549589.639 - sched_yield-threads-21 | 2471273.250 | 2442379.500 | 0.778 | 42739.709 | 40 | 2447357.476 / 2473133.006 - sched_yield-threads-30 | 2379894.500 | 2311476.000 | 2.301 | 25939.719 | 40 | 2366828.438 / 2382368.296 - sched_yield-threads-79 | 2202153.500 | 2149404.500 | 2.836 | 20013.488 | 40 | 2195495.042 / 2207819.754 - sched_yield-threads-110 | 2143881.500 | 2059775.500 | 4.010 | 21334.701 | 40 | 2137079.910 / 2150291.032 - sched_yield-threads-128 | 2102815.500 | 2026696.000 | 3.346 | 27519.539 | 40 | 2097120.591 / 2114175.826 wis/signal1-threads/Signals, OPS - signal1-threads-2 | 1032419.750 | 967942.500 | 5.658 | 39861.529 | 40 | 1017668.801 / 1042203.932 - signal1-threads-5 | 1040060.750 | 1017754.500 | 2.443 | 29931.169 | 40 | 1030378.573 / 1048564.717 - signal1-threads-12 | 1033586.750 | 984592.500 | 4.575 | 33248.929 | 40 | 1022808.441 / 1043256.098 - signal1-threads-21 | 1037118.250 | 979339.000 | 3.928 | 20657.264 | 40 | 1032019.797 / 1044798.986 - signal1-threads-30 | 1025704.500 | 983937.000 | 4.030 | 31987.654 | 40 | 1015466.709 / 1034958.376 - signal1-threads-48 | 1027878.250 | 975944.000 | 5.507 | 29338.353 | 40 | 1024320.523 / 1042120.100 - signal1-threads-79 | 1030575.250 | 992948.250 | 3.856 | 38482.082 | 40 | 1020043.830 / 1043527.170 - signal1-threads-110 | 1034733.750 | 1005838.500 | 2.806 | 19589.115 | 35 | 1028380.922 / 1041184.536 - signal1-threads-128 | 1037267.000 | 988638.000 | 4.543 | 24313.801 | 35 | 1027944.596 / 1043670.576

* index after test name indicate number of threads or processes used for the test.

Detailed test results and raw data can be found here: https://artifacts.codelinaro.org/artifactory/linaro-373-reports/aws-graviton...

Best regards.