[==========] Running 2 tests from 1 test suite.
[----------] Global test environment set-up.
[----------] 2 tests from PreadvTest
[ RUN      ] PreadvTest.MMConcurrencyStress
[       OK ] PreadvTest.MMConcurrencyStress (5000 ms)
[ RUN      ] PreadvTest.PreadvWithOpath
[       OK ] PreadvTest.PreadvWithOpath (0 ms)
[----------] 2 tests from PreadvTest (5001 ms total)

[----------] Global test environment tear-down
[==========] 2 tests from 1 test suite ran. (5001 ms total)
[  PASSED  ] 2 tests.
Failed to match any benchmarks against regex: .