https://bugs.linaro.org/show_bug.cgi?id=3774

--- Comment #10 from Matias Elo <matias....@linaro.org> ---
I timed shmem test runs with both 2MB and 1GB pages (28 thread system):

2MB pages
---------
Run Summary:    Type   Total     Ran  Passed Failed Inactive
              suites       1       1     n/a      0        0
               tests       5       5       5      0        0
             asserts 1812146 1812146 1812146      0      n/a

Elapsed time =  105.336 seconds
101.08user 4.85system 0:05.31elapsed 1995%CPU (0avgtext+0avgdata
15968maxresident)k
0inputs+0outputs (0major+17910minor)pagefaults 0swaps


1GB pages
---------
Run Summary:    Type   Total     Ran  Passed Failed Inactive
              suites       1       1     n/a      0        0
               tests       5       5       5      0        0
             asserts 1807525 1807525 1807525      0      n/a

Elapsed time = 16599.636 second
15850.52user 751.34system 12:31.74elapsed 2208%CPU (0avgtext+0avgdata
17880maxresident)k
5480inputs+0outputs (20major+46992minor)pagefaults 0swaps


Perf cycles with 1GB pages:

 97.37%  shmem_main        [.] odp_spinlock_lock
  2.44%  [kernel]          [k] clear_page_erms
  0.08%  [kernel]          [k] clear_huge_page

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