Ryzen 3950X Low CPU Utilizations [solana] - TagMerge

Ryzen 3950X Low CPU Utilizations [solana]

h0tc0d3Asked 4 months ago

Problem

CPU 0 utilization is 99%, but other cores have only 30-50%. %sys %irq is low and the problem is clearly not with the network. Most of the time is spent calling futexwaitqueue_meroot. It was also noticed that performance drops on some linux kernels. It is not yet clear what this is connected with, and these linux kernels are faster in other tasks. I will continue the investigation. Several people faced this and turned to me for help.

Average:     CPU    %usr   %nice    %sys %iowait    %irq   %soft  %steal  %guest  %gnice   %idle
Average:     all   35.23    0.00    5.61    0.01    0.34    0.11    0.00    0.00    0.00   58.71
Average:       0   99.67    0.00    0.00    0.00    0.33    0.00    0.00    0.00    0.00    0.00
Average:       1   32.03    0.00    4.76    0.00    0.21    0.63    0.00    0.00    0.00   62.37
Average:       2   31.25    0.00    4.91    0.00    0.21    0.21    0.00    0.00    0.00   63.42
Average:       3   31.64    0.00    4.99    0.04    0.21    0.08    0.00    0.00    0.00   63.03
Average:       4   30.71    0.00    4.99    0.00    0.17    0.08    0.00    0.00    0.00   64.06
Average:       5   32.36    0.00    4.60    0.04    0.21    0.04    0.00    0.00    0.00   62.75
Average:       6   31.51    0.00    4.31    0.00    0.21    0.08    0.00    0.00    0.00   63.89
Average:       7   31.52    0.00    4.13    0.04    0.21    0.04    0.00    0.00    0.00   64.05
Average:       8   34.84    0.00    6.91    0.00    0.25    0.08    0.00    0.00    0.00   57.91
Average:       9   33.07    0.00    6.59    0.00    1.13    0.17    0.00    0.00    0.00   59.04
Average:      10   36.13    0.00    7.73    0.00    0.25    0.08    0.00    0.00    0.00   55.80
Average:      11   33.01    0.00    7.23    0.00    1.14    0.25    0.00    0.00    0.00   58.37
Average:      12   36.24    0.00    7.15    0.00    0.21    0.13    0.00    0.00    0.00   56.27
Average:      13   35.62    0.00    7.75    0.00    0.21    0.08    0.00    0.00    0.00   56.33
Average:      14   36.20    0.00    6.67    0.00    0.21    0.08    0.00    0.00    0.00   56.84
Average:      15   35.72    0.00    7.04    0.00    0.21    0.08    0.00    0.00    0.00   56.95
Average:      16   28.52    0.00    3.61    0.00    0.21    0.04    0.00    0.00    0.00   67.62
Average:      17   30.93    0.00    4.44    0.00    0.21    0.04    0.00    0.00    0.00   64.38
Average:      18   30.95    0.00    4.25    0.04    0.21    0.04    0.00    0.00    0.00   64.51
Average:      19   32.44    0.00    3.97    0.00    0.21    0.04    0.00    0.00    0.00   63.34
Average:      20   31.10    0.00    4.66    0.00    0.21    0.04    0.00    0.00    0.00   63.99
Average:      21   30.55    0.00    4.20    0.00    1.22    0.13    0.00    0.00    0.00   63.91
Average:      22   31.12    0.00    4.70    0.00    0.21    0.04    0.00    0.00    0.00   63.92
Average:      23   31.82    0.00    4.58    0.00    0.21    0.04    0.00    0.00    0.00   63.35
Average:      24   35.52    0.00    7.40    0.00    0.25    0.08    0.00    0.00    0.00   56.75
Average:      25   34.60    0.00    7.06    0.00    0.21    0.08    0.00    0.00    0.00   58.04
Average:      26   34.76    0.00    6.61    0.00    0.21    0.13    0.00    0.00    0.00   58.29
Average:      27   34.49    0.00    6.73    0.00    0.21    0.08    0.00    0.00    0.00   58.49
Average:      28   32.04    0.00    6.91    0.00    1.31    0.17    0.00    0.00    0.00   59.58
Average:      29   35.68    0.00    7.12    0.00    0.21    0.08    0.00    0.00    0.00   56.91
Average:      30   35.69    0.00    7.04    0.00    0.21    0.13    0.00    0.00    0.00   56.93
Average:      31   35.21    0.00    6.68    0.00    0.21    0.08    0.00    0.00    0.00   57.82

Source: link

t-nelsonAnswered 4 months ago

Hi! We don't use Github for support requests. Please join #validator-support on https://solana.com/discord instead

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