Comment # 11 on bug 1131437 from Jan Kara

Numbers with 4.13 vanilla kernel:

Amean      1       40.92 (   0.00%)       40.26 (   1.61%)       43.51 ( 
-6.34%)       44.32 (  -8.32%)       43.99 (  -7.52%)
Amean      2       45.70 (   0.00%)       45.43 (   0.60%)       44.86 (  
1.85%)       44.96 (   1.63%)       44.70 (   2.19%)
Amean      4       34.34 (   0.00%)       35.75 (  -4.10%)       35.40 ( 
-3.09%)       34.83 (  -1.42%)       34.37 (  -0.08%)
Stddev     1        2.93 (   0.00%)        2.80 (   4.38%)        5.02 (
-71.29%)        4.96 ( -69.56%)        5.11 ( -74.60%)
Stddev     2        3.68 (   0.00%)        4.26 ( -15.58%)        4.83 (
-31.30%)        4.84 ( -31.59%)        5.33 ( -44.69%)
Stddev     4        5.30 (   0.00%)        5.71 (  -7.89%)        5.89 (
-11.26%)        5.42 (  -2.37%)        5.32 (  -0.53%)

So numbers are much worse that with Leap 15.0 and not as stable (but still more
stable than with 4.20). Not much surprised - likely cpufreq fixes we have in
Leap 15 are missing. Will poke around a some more.