Samples: 59K of event 'cycles:ppp', Event count (approx.): 42602991626
Overhead  Shared Object
  59.88%  [kernel.kallsyms]
  28.17%  libc-2.28.so
   9.64%  liblz4.so.1.8.3
   2.08%  python3.7
   0.12%  libpthread-2.28.so
   0.05%  ld-2.28.so
   0.03%  _frame.cpython-37m-x86_64-linux-gnu.so
   0.02%  libopenblasp-r0.3.5.so
   0.01%  _multiarray_umath.cpython-37m-x86_64-linux-gnu.so
   0.00%  libcrypto.so.1.1