stddev2 149 tools/testing/selftests/timers/freq-step.c double intercept, slope, stddev1, max1, stddev2, max2; stddev2 185 tools/testing/selftests/timers/freq-step.c &stddev2, &max2); stddev2 192 tools/testing/selftests/timers/freq-step.c 1e6 * freq_error2, 1e9 * stddev2, 1e9 * max2); stddev2 194 tools/testing/selftests/timers/freq-step.c if (fabs(freq_error2) > MAX_FREQ_ERROR || stddev2 > MAX_STDDEV) {