On Fri, 2011-07-29 at 11:13 -0400, Steven Rostedt wrote:
> Hi Mike,
>
> Could you try this patch set out. Add the first patch and then
> run your tests. The first patch only adds benchmarking, and does not
> modify the scheduler algorithm.
>
> Do this:
>
> 1. apply first patch, build and boot
> 2. # mount -t debugfs nodev /sys/kernel/debug
> 3. # echo 0 > /sys/kernel/debug/cpupri; ./runtest; cat /sys/kernel/debug/cpupri > output
>
> The output will give you the contention of the vector locks in the
> cpupri algorithm.
>
> Then apply the second patch and do the same thing.
>
> Then apply the third patch and do the same thing.
>
> After that, could you send me the results of the output file for all
> three runs? The final patch should probably be the best overall
> results.
Wow.
CPU: Name Count Max Min Average Total
---- ---- ----- --- --- ------- -----
cpu 60: loop 0 0 0 0 0
vec 5410840 277.954 0.084 0.782 4232895.727
cpu 61: loop 0 0 0 0 0
vec 4915648 188.399 0.084 0.570 2803220.301
cpu 62: loop 0 0 0 0 0
vec 5356076 276.417 0.085 0.786 4214544.548
cpu 63: loop 0 0 0 0 0
vec 4891837 170.531 0.085 0.799 3910948.833
vs
cpu 60: loop 0 0 0 0 0
vec 5365118 5.080 0.021 0.063 340490.267
cpu 61: loop 0 0 0 0 0
vec 4898590 1.757 0.019 0.071 347903.615
cpu 62: loop 0 0 0 0 0
vec 5737130 3.067 0.021 0.119 687108.734
cpu 63: loop 0 0 0 0 0
vec 4903228 1.822 0.021 0.071 348506.477
> Thanks!
Thank you. Now to build 2+3, and see how jitter looks with a full box.
-Mike
CPU: Name Count Max Min Average Total
---- ---- ----- --- --- ------- -----
cpu 0: loop 6 0.297 0.171 0.231 1.390
vec 1216234 1.026 0.086 0.245 298106.414
cpu 1: loop 0 0 0 0 0
vec 1208702 1.001 0.084 0.247 299580.984
cpu 2: loop 9 0.136 0.072 0.110 0.991
vec 1207543 2.848 0.084 0.172 208588.583
cpu 3: loop 0 0 0 0 0
vec 1207745 5.459 0.084 0.171 207572.796
cpu 4: loop 0 0 0 0 0
vec 1207645 0.930 0.084 0.169 204822.965
cpu 5: loop 0 0 0 0 0
vec 1207636 0.748 0.086 0.172 208310.916
cpu 6: loop 0 0 0 0 0
vec 1207636 0.644 0.085 0.168 203043.884
cpu 7: loop 0 0 0 0 0
vec 1207656 0.694 0.086 0.169 205146.436
cpu 8: loop 0 0 0 0 0
vec 6365438 72.036 0.086 0.948 6035188.484
cpu 9: loop 0 0 0 0 0
vec 5004456 23.303 0.086 0.629 3148822.497
cpu 10: loop 0 0 0 0 0
vec 5365920 84.892 0.085 0.856 4595202.057
cpu 11: loop 0 0 0 0 0
vec 4891949 26.536 0.085 0.715 3500040.991
cpu 12: loop 0 0 0 0 0
vec 5907752 93.405 0.083 0.929 5490015.474
cpu 13: loop 0 0 0 0 0
vec 4899184 87.840 0.084 0.794 3892404.964
cpu 14: loop 0 0 0 0 0
vec 5650357 87.713 0.084 0.817 4617404.711
cpu 15: loop 0 0 0 0 0
vec 4900028 101.476 0.085 0.731 3583363.670
cpu 16: loop 0 0 0 0 0
vec 6435043 143.890 0.084 0.821 5286236.674
cpu 17: loop 0 0 0 0 0
vec 5147105 261.153 0.085 0.854 4399617.996
cpu 18: loop 0 0 0 0 0
vec 5372953 170.471 0.084 0.907 4873847.662
cpu 19: loop 0 0 0 0 0
vec 5852034 109.101 0.084 0.598 3499834.934
cpu 20: loop 0 0 0 0 0
vec 5361700 263.053 0.084 0.618 3315747.110
cpu 21: loop 0 0 0 0 0
vec 5992335 104.342 0.084 0.663 3975064.702
cpu 22: loop 0 0 0 0 0
vec 5359525 132.146 0.084 0.756 4053313.648
cpu 23: loop 0 0 0 0 0
vec 5140867 131.715 0.084 0.914 4699033.422
cpu 24: loop 0 0 0 0 0
vec 5357723 151.214 0.084 0.991 5309786.543
cpu 25: loop 0 0 0 0 0
vec 5334728 120.224 0.085 0.707 3773747.739
cpu 26: loop 0 0 0 0 0
vec 5380285 123.677 0.085 0.990 5327517.609
cpu 27: loop 0 0 0 0 0
vec 5397056 121.749 0.084 0.818 4419395.819
cpu 28: loop 0 0 0 0 0
vec 5360682 260.914 0.084 0.707 3792383.788
cpu 29: loop 0 0 0 0 0
vec 4894980 185.310 0.085 0.959 4698950.783
cpu 30: loop 0 0 0 0 0
vec 5359452 170.017 0.085 0.783 4198239.431
cpu 31: loop 0 0 0 0 0
vec 4895734 110.157 0.084 1.015 4973835.751
cpu 32: loop 0 0 0 0 0
vec 5369681 121.182 0.085 1.056 5673959.285
cpu 33: loop 0 0 0 0 0
vec 4895350 176.805 0.085 0.849 4156392.392
cpu 34: loop 0 0 0 0 0
vec 5359142 203.700 0.086 0.899 4822371.587
cpu 35: loop 0 0 0 0 0
vec 4896565 208.669 0.084 0.987 4835912.225
cpu 36: loop 0 0 0 0 0
vec 5356818 209.414 0.085 0.883 4734419.876
cpu 37: loop 0 0 0 0 0
vec 5564435 279.977 0.084 0.776 4323291.950
cpu 38: loop 0 0 0 0 0
vec 5914929 213.197 0.086 0.980 5800294.365
cpu 39: loop 0 0 0 0 0
vec 5747543 278.316 0.085 0.829 4766005.372
cpu 40: loop 0 0 0 0 0
vec 5358126 286.313 0.084 0.906 4856216.257
cpu 41: loop 0 0 0 0 0
vec 4896543 282.441 0.085 0.961 4707080.279
cpu 42: loop 0 0 0 0 0
vec 5357430 265.380 0.085 0.750 4021311.594
cpu 43: loop 0 0 0 0 0
vec 4897014 267.822 0.084 0.846 4147465.000
cpu 44: loop 0 0 0 0 0
vec 5358063 243.259 0.084 0.688 3688890.283
cpu 45: loop 0 0 0 0 0
vec 4896910 206.264 0.084 0.756 3705720.419
cpu 46: loop 0 0 0 0 0
vec 6040919 220.062 0.086 0.852 5147378.527
cpu 47: loop 0 0 0 0 0
vec 4894549 185.927 0.086 1.081 5295612.421
cpu 48: loop 0 0 0 0 0
vec 5477229 148.390 0.085 1.006 5514794.941
cpu 49: loop 0 0 0 0 0
vec 4918826 196.105 0.085 0.789 3881630.724
cpu 50: loop 0 0 0 0 0
vec 5539279 178.413 0.084 0.831 4605915.301
cpu 51: loop 0 0 0 0 0
vec 4896003 199.641 0.085 0.926 4537025.049
cpu 52: loop 0 0 0 0 0
vec 5392644 232.768 0.086 0.790 4262858.944
cpu 53: loop 0 0 0 0 0
vec 4906013 203.663 0.085 0.907 4454027.337
cpu 54: loop 0 0 0 0 0
vec 5356244 209.303 0.085 1.052 5639365.955
cpu 55: loop 0 0 0 0 0
vec 5865460 215.064 0.084 0.981 5755785.977
cpu 56: loop 0 0 0 0 0
vec 6137175 262.377 0.085 0.780 4787490.596
cpu 57: loop 0 0 0 0 0
vec 4898080 270.038 0.086 0.759 3721254.507
cpu 58: loop 0 0 0 0 0
vec 5358704 273.974 0.084 0.862 4621092.667
cpu 59: loop 0 0 0 0 0
vec 4898487 187.645 0.085 0.632 3100122.586
cpu 60: loop 0 0 0 0 0
vec 5410840 277.954 0.084 0.782 4232895.727
cpu 61: loop 0 0 0 0 0
vec 4915648 188.399 0.084 0.570 2803220.301
cpu 62: loop 0 0 0 0 0
vec 5356076 276.417 0.085 0.786 4214544.548
cpu 63: loop 0 0 0 0 0
vec 4891837 170.531 0.085 0.799 3910948.833
CPU: Name Count Max Min Average Total
---- ---- ----- --- --- ------- -----
cpu 0: loop 3 1.287 0.291 0.630 1.890
vec 1216936 0.298 0.017 0.050 61252.865
cpu 1: loop 0 0 0 0 0
vec 1209075 0.463 0.017 0.046 56631.941
cpu 2: loop 3 1.621 1.289 1.429 4.289
vec 1207927 0.780 0.017 0.042 51633.737
cpu 3: loop 0 0 0 0 0
vec 1208196 0.565 0.017 0.040 49244.733
cpu 4: loop 0 0 0 0 0
vec 1208043 0.319 0.017 0.044 53534.834
cpu 5: loop 0 0 0 0 0
vec 1208053 0.309 0.017 0.044 54289.485
cpu 6: loop 0 0 0 0 0
vec 1208044 0.279 0.017 0.047 56926.443
cpu 7: loop 0 0 0 0 0
vec 1208062 0.142 0.017 0.044 53551.388
cpu 8: loop 0 0 0 0 0
vec 5525752 1.826 0.016 0.131 728502.607
cpu 9: loop 0 0 0 0 0
vec 4906031 2.616 0.016 0.146 719169.712
cpu 10: loop 0 0 0 0 0
vec 5360108 1.775 0.015 0.094 506942.177
cpu 11: loop 0 0 0 0 0
vec 4986367 1.995 0.015 0.148 742125.726
cpu 12: loop 0 0 0 0 0
vec 5585942 2.366 0.015 0.148 827584.999
cpu 13: loop 0 0 0 0 0
vec 4903611 2.500 0.014 0.122 599644.398
cpu 14: loop 0 0 0 0 0
vec 5360667 2.512 0.017 0.142 764770.776
cpu 15: loop 0 0 0 0 0
vec 5032095 2.335 0.015 0.153 770341.226
cpu 16: loop 0 0 0 0 0
vec 5364481 1.960 0.015 0.144 775150.778
cpu 17: loop 0 0 0 0 0
vec 4902803 2.280 0.015 0.093 456265.973
cpu 18: loop 0 0 0 0 0
vec 5398251 2.166 0.016 0.143 776982.539
cpu 19: loop 0 0 0 0 0
vec 4901793 2.054 0.017 0.123 603270.142
cpu 20: loop 0 0 0 0 0
vec 5362554 3.401 0.016 0.106 571069.572
cpu 21: loop 0 0 0 0 0
vec 5472390 2.345 0.015 0.115 634281.717
cpu 22: loop 0 0 0 0 0
vec 5361382 2.020 0.015 0.150 809240.717
cpu 23: loop 0 0 0 0 0
vec 5269458 2.036 0.015 0.150 790750.609
cpu 24: loop 0 0 0 0 0
vec 5917353 6.401 0.016 0.216 1279866.035
cpu 25: loop 0 0 0 0 0
vec 5055842 2.412 0.015 0.187 947468.333
cpu 26: loop 0 0 0 0 0
vec 5399171 2.779 0.016 0.188 1019882.235
cpu 27: loop 0 0 0 0 0
vec 5133356 2.239 0.015 0.134 690775.919
cpu 28: loop 0 0 0 0 0
vec 5361222 2.620 0.015 0.189 1016805.262
cpu 29: loop 0 0 0 0 0
vec 5064672 2.149 0.015 0.167 847190.872
cpu 30: loop 0 0 0 0 0
vec 5368321 1.993 0.014 0.161 869035.667
cpu 31: loop 0 0 0 0 0
vec 4906487 2.897 0.015 0.138 677603.671
cpu 32: loop 0 0 0 0 0
vec 5361503 7.795 0.016 0.134 722242.563
cpu 33: loop 0 0 0 0 0
vec 5191242 8.402 0.015 0.172 896969.628
cpu 34: loop 0 0 0 0 0
vec 5392429 8.528 0.016 0.181 976546.295
cpu 35: loop 0 0 0 0 0
vec 5446240 9.070 0.015 0.192 1047569.644
cpu 36: loop 0 0 0 0 0
vec 5388077 2.454 0.015 0.168 906697.065
cpu 37: loop 0 0 0 0 0
vec 4905785 7.504 0.016 0.145 712048.383
cpu 38: loop 0 0 0 0 0
vec 5425469 8.175 0.016 0.140 761210.354
cpu 39: loop 0 0 0 0 0
vec 5475228 12.966 0.016 0.177 970298.257
cpu 40: loop 0 0 0 0 0
vec 5368469 8.849 0.016 0.201 1083277.884
cpu 41: loop 0 0 0 0 0
vec 4933841 4.991 0.015 0.162 801858.047
cpu 42: loop 0 0 0 0 0
vec 5370134 10.376 0.015 0.137 737222.176
cpu 43: loop 0 0 0 0 0
vec 4965883 4.149 0.015 0.186 925370.213
cpu 44: loop 0 0 0 0 0
vec 5455523 5.794 0.014 0.151 825708.835
cpu 45: loop 0 0 0 0 0
vec 5617715 7.539 0.015 0.156 878782.079
cpu 46: loop 0 0 0 0 0
vec 5365957 7.481 0.015 0.184 988597.601
cpu 47: loop 0 0 0 0 0
vec 5217591 3.775 0.015 0.174 910379.784
cpu 48: loop 0 0 0 0 0
vec 5366578 6.633 0.016 0.187 1006970.047
cpu 49: loop 0 0 0 0 0
vec 4905769 6.678 0.015 0.193 951691.722
cpu 50: loop 0 0 0 0 0
vec 5367344 2.737 0.016 0.113 608111.203
cpu 51: loop 0 0 0 0 0
vec 6037981 4.473 0.014 0.201 1219438.780
cpu 52: loop 0 0 0 0 0
vec 5368694 7.075 0.015 0.192 1034306.592
cpu 53: loop 0 0 0 0 0
vec 4904642 8.612 0.016 0.168 824120.350
cpu 54: loop 0 0 0 0 0
vec 5368770 4.945 0.015 0.190 1024225.428
cpu 55: loop 0 0 0 0 0
vec 4908197 2.023 0.016 0.204 1003857.550
cpu 56: loop 0 0 0 0 0
vec 5388485 11.392 0.016 0.064 348511.438
cpu 57: loop 0 0 0 0 0
vec 5448720 11.463 0.016 0.092 501426.885
cpu 58: loop 0 0 0 0 0
vec 5414077 11.893 0.016 0.053 289594.054
cpu 59: loop 0 0 0 0 0
vec 4909051 13.002 0.016 0.047 235061.419
cpu 60: loop 0 0 0 0 0
vec 5481077 11.948 0.015 0.075 415695.026
cpu 61: loop 0 0 0 0 0
vec 4909176 11.604 0.016 0.045 225017.178
cpu 62: loop 0 0 0 0 0
vec 5368471 12.257 0.015 0.060 324502.009
cpu 63: loop 0 0 0 0 0
vec 5046229 12.114 0.017 0.082 416591.940
CPU: Name Count Max Min Average Total
---- ---- ----- --- --- ------- -----
cpu 0: loop 7 0.386 0.164 0.272 1.909
vec 1216797 0.602 0.021 0.039 47651.736
cpu 1: loop 0 0 0 0 0
vec 1208629 0.424 0.022 0.041 50264.545
cpu 2: loop 1 0.298 0.298 0.298 0.298
vec 1207764 0.334 0.022 0.041 49928.832
cpu 3: loop 0 0 0 0 0
vec 1207935 0.814 0.021 0.043 52042.976
cpu 4: loop 0 0 0 0 0
vec 1207943 1.000 0.021 0.050 60940.628
cpu 5: loop 0 0 0 0 0
vec 1207849 0.135 0.021 0.049 59245.776
cpu 6: loop 0 0 0 0 0
vec 1207850 0.277 0.022 0.050 61204.400
cpu 7: loop 0 0 0 0 0
vec 1207861 0.171 0.021 0.048 59181.777
cpu 8: loop 0 0 0 0 0
vec 5360664 2.117 0.021 0.180 968644.359
cpu 9: loop 0 0 0 0 0
vec 5020352 2.246 0.021 0.142 717185.281
cpu 10: loop 0 0 0 0 0
vec 5363341 1.621 0.021 0.100 538185.720
cpu 11: loop 0 0 0 0 0
vec 5438058 1.826 0.021 0.120 657667.134
cpu 12: loop 0 0 0 0 0
vec 5368919 2.083 0.021 0.122 658317.239
cpu 13: loop 0 0 0 0 0
vec 5105994 2.017 0.021 0.154 789376.417
cpu 14: loop 0 0 0 0 0
vec 5499093 2.172 0.021 0.130 719157.486
cpu 15: loop 0 0 0 0 0
vec 5339232 2.369 0.019 0.174 931028.799
cpu 16: loop 0 0 0 0 0
vec 5770606 1.649 0.021 0.172 992698.127
cpu 17: loop 0 0 0 0 0
vec 5471560 1.895 0.021 0.180 986788.267
cpu 18: loop 0 0 0 0 0
vec 5649186 1.847 0.021 0.155 877754.176
cpu 19: loop 0 0 0 0 0
vec 4903278 1.735 0.019 0.114 561407.976
cpu 20: loop 0 0 0 0 0
vec 5798082 1.794 0.021 0.187 1089769.811
cpu 21: loop 0 0 0 0 0
vec 4906094 1.838 0.021 0.101 497368.020
cpu 22: loop 0 0 0 0 0
vec 5363804 1.688 0.021 0.128 690648.710
cpu 23: loop 0 0 0 0 0
vec 5428115 2.841 0.021 0.162 880842.616
cpu 24: loop 0 0 0 0 0
vec 5362856 1.822 0.021 0.245 1314292.486
cpu 25: loop 0 0 0 0 0
vec 5423925 2.272 0.021 0.228 1237734.704
cpu 26: loop 0 0 0 0 0
vec 5564428 2.214 0.021 0.123 684849.158
cpu 27: loop 0 0 0 0 0
vec 4903295 1.972 0.019 0.174 856156.422
cpu 28: loop 0 0 0 0 0
vec 5365711 2.158 0.021 0.153 825078.390
cpu 29: loop 0 0 0 0 0
vec 5320397 2.052 0.021 0.236 1259236.014
cpu 30: loop 0 0 0 0 0
vec 5909975 1.628 0.021 0.138 819134.828
cpu 31: loop 0 0 0 0 0
vec 4933454 1.806 0.021 0.217 1074360.020
cpu 32: loop 0 0 0 0 0
vec 5363456 2.803 0.021 0.175 940610.241
cpu 33: loop 0 0 0 0 0
vec 5252733 2.619 0.021 0.120 633890.344
cpu 34: loop 0 0 0 0 0
vec 5363614 2.601 0.021 0.168 901835.513
cpu 35: loop 0 0 0 0 0
vec 4936869 3.680 0.019 0.127 631751.582
cpu 36: loop 0 0 0 0 0
vec 5922339 2.832 0.021 0.211 1255204.987
cpu 37: loop 0 0 0 0 0
vec 4910052 8.747 0.021 0.156 768758.380
cpu 38: loop 0 0 0 0 0
vec 5811067 3.098 0.019 0.130 759899.100
cpu 39: loop 0 0 0 0 0
vec 4903135 3.353 0.021 0.227 1113971.435
cpu 40: loop 0 0 0 0 0
vec 5371182 5.330 0.021 0.186 1000114.521
cpu 41: loop 0 0 0 0 0
vec 4906195 5.382 0.020 0.158 777099.361
cpu 42: loop 0 0 0 0 0
vec 5404715 3.548 0.021 0.137 743475.307
cpu 43: loop 0 0 0 0 0
vec 4901640 2.489 0.021 0.151 744220.605
cpu 44: loop 0 0 0 0 0
vec 5363571 3.523 0.021 0.202 1084684.998
cpu 45: loop 0 0 0 0 0
vec 5319646 2.274 0.021 0.196 1044613.152
cpu 46: loop 0 0 0 0 0
vec 5498500 2.777 0.021 0.205 1128627.536
cpu 47: loop 0 0 0 0 0
vec 4903761 2.528 0.021 0.143 702722.969
cpu 48: loop 0 0 0 0 0
vec 5800814 2.792 0.020 0.226 1312258.287
cpu 49: loop 0 0 0 0 0
vec 5335192 3.189 0.021 0.182 971787.892
cpu 50: loop 0 0 0 0 0
vec 5361204 2.404 0.021 0.204 1098507.789
cpu 51: loop 0 0 0 0 0
vec 4900869 1.833 0.021 0.228 1121984.786
cpu 52: loop 0 0 0 0 0
vec 6116938 4.508 0.019 0.196 1202757.006
cpu 53: loop 0 0 0 0 0
vec 4958737 2.507 0.021 0.175 871568.644
cpu 54: loop 0 0 0 0 0
vec 5393101 1.852 0.021 0.156 845557.350
cpu 55: loop 0 0 0 0 0
vec 5274061 2.021 0.020 0.224 1183107.607
cpu 56: loop 0 0 0 0 0
vec 5394135 5.041 0.021 0.056 305725.022
cpu 57: loop 0 0 0 0 0
vec 4901849 4.027 0.019 0.068 334411.917
cpu 58: loop 0 0 0 0 0
vec 5361518 1.907 0.021 0.051 273485.193
cpu 59: loop 0 0 0 0 0
vec 4899290 5.408 0.021 0.069 341790.762
cpu 60: loop 0 0 0 0 0
vec 5365118 5.080 0.021 0.063 340490.267
cpu 61: loop 0 0 0 0 0
vec 4898590 1.757 0.019 0.071 347903.615
cpu 62: loop 0 0 0 0 0
vec 5737130 3.067 0.021 0.119 687108.734
cpu 63: loop 0 0 0 0 0
vec 4903228 1.822 0.021 0.071 348506.477
