cfg_variance_us 35 tools/testing/selftests/net/so_txtime.c static int cfg_variance_us = 4000; cfg_variance_us 123 tools/testing/selftests/net/so_txtime.c if (labs(tstop - texpect) > cfg_variance_us) cfg_variance_us 124 tools/testing/selftests/net/so_txtime.c error(1, 0, "exceeds variance (%d us)", cfg_variance_us);