As we use rounding when converting from hw clocks to time, we may report a residency greater than wallclock (by a small margin), so allow us to overshoot by 5% (just due to our inaccuracy).
Signed-off-by: Chris Wilson <[email protected]> --- tests/pm_rc6_residency.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/tests/pm_rc6_residency.c b/tests/pm_rc6_residency.c index d6fc4701..520d3b54 100644 --- a/tests/pm_rc6_residency.c +++ b/tests/pm_rc6_residency.c @@ -79,9 +79,9 @@ static void residency_accuracy(unsigned int diff, ratio = (double)diff / duration; - igt_info("Residency in %s or deeper state: %u ms (sleep duration %u ms) (ratio to expected duration: %.02f)\n", - name_of_rc6_residency, diff, duration, ratio); - igt_assert_f(ratio > 0.9 && ratio <= 1, + igt_info("Residency in %s or deeper state: %u ms (sleep duration %u ms) (%.1f%% of expected duration)\n", + name_of_rc6_residency, diff, duration, 100*ratio); + igt_assert_f(ratio > 0.9 && ratio <= 1.05, "Sysfs RC6 residency counter is inaccurate.\n"); } -- 2.15.0.rc1 _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
