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test: update hwclock unit test

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This commit is contained in:
Miroslav Lichvar 2018-08-21 16:50:58 +02:00
parent 419077e04b
commit cffc856b50
1 changed files with 41 additions and 39 deletions
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80
test/unit/hwclock.c
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@ -27,56 +27,58 @@ test_unit(void)
struct timespec start_hw_ts, start_local_ts, hw_ts, local_ts, ts;
HCL_Instance clock;
double freq, jitter, interval, dj, sum;
int i, j, count;
int i, j, k, count;
LCL_Initialise();
clock = HCL_CreateInstance(0, 16, 1.0);
for (i = 1; i <= 8; i++) {
clock = HCL_CreateInstance(random() % (1 << i), 1 << i, 1.0);
for (i = 0, count = 0, sum = 0.0; i < 2000; i++) {
UTI_ZeroTimespec(&start_hw_ts);
UTI_ZeroTimespec(&start_local_ts);
UTI_AddDoubleToTimespec(&start_hw_ts, TST_GetRandomDouble(0.0, 1e9), &start_hw_ts);
UTI_AddDoubleToTimespec(&start_local_ts, TST_GetRandomDouble(0.0, 1e9), &start_local_ts);
for (j = 0, count = 0, sum = 0.0; j < 100; j++) {
UTI_ZeroTimespec(&start_hw_ts);
UTI_ZeroTimespec(&start_local_ts);
UTI_AddDoubleToTimespec(&start_hw_ts, TST_GetRandomDouble(0.0, 1e9), &start_hw_ts);
UTI_AddDoubleToTimespec(&start_local_ts, TST_GetRandomDouble(0.0, 1e9), &start_local_ts);
DEBUG_LOG("iteration %d", i);
DEBUG_LOG("iteration %d", j);
freq = TST_GetRandomDouble(0.9, 1.1);
jitter = TST_GetRandomDouble(10.0e-9, 1000.0e-9);
interval = TST_GetRandomDouble(0.1, 10.0);
freq = TST_GetRandomDouble(0.9, 1.1);
jitter = TST_GetRandomDouble(10.0e-9, 1000.0e-9);
interval = TST_GetRandomDouble(0.1, 10.0);
clock->n_samples = 0;
clock->valid_coefs = 0;
clock->n_samples = 0;
clock->valid_coefs = 0;
for (j = 0; j < 100; j++) {
UTI_AddDoubleToTimespec(&start_hw_ts, j * interval * freq, &hw_ts);
UTI_AddDoubleToTimespec(&start_local_ts, j * interval, &local_ts);
if (HCL_CookTime(clock, &hw_ts, &ts, NULL)) {
dj = fabs(UTI_DiffTimespecsToDouble(&ts, &local_ts) / jitter);
DEBUG_LOG("delta/jitter %f", dj);
if (clock->n_samples >= 8)
sum += dj, count++;
TEST_CHECK(clock->n_samples < 4 || dj <= 4.0);
TEST_CHECK(clock->n_samples < 8 || dj <= 3.0);
for (k = 0; k < 100; k++) {
UTI_AddDoubleToTimespec(&start_hw_ts, k * interval * freq, &hw_ts);
UTI_AddDoubleToTimespec(&start_local_ts, k * interval, &local_ts);
if (HCL_CookTime(clock, &hw_ts, &ts, NULL)) {
dj = fabs(UTI_DiffTimespecsToDouble(&ts, &local_ts) / jitter);
DEBUG_LOG("delta/jitter %f", dj);
if (clock->n_samples >= clock->max_samples / 2)
sum += dj, count++;
TEST_CHECK(clock->n_samples < 4 || dj <= 4.0);
TEST_CHECK(clock->n_samples < 8 || dj <= 3.0);
}
UTI_AddDoubleToTimespec(&start_hw_ts, k * interval * freq + TST_GetRandomDouble(-jitter, jitter), &hw_ts);
if (HCL_NeedsNewSample(clock, &local_ts))
HCL_AccumulateSample(clock, &hw_ts, &local_ts, 2.0 * jitter);
TEST_CHECK(clock->valid_coefs || clock->n_samples < 2);
if (!clock->valid_coefs)
continue;
TEST_CHECK(fabs(clock->offset) <= 2.0 * jitter);
}
UTI_AddDoubleToTimespec(&start_hw_ts, j * interval * freq + TST_GetRandomDouble(-jitter, jitter), &hw_ts);
if (HCL_NeedsNewSample(clock, &local_ts))
HCL_AccumulateSample(clock, &hw_ts, &local_ts, 2.0 * jitter);
TEST_CHECK(clock->valid_coefs || clock->n_samples < 2);
if (!clock->valid_coefs)
continue;
TEST_CHECK(fabs(clock->offset) <= 2.0 * jitter);
}
TEST_CHECK(sum / count < 2.4 / sqrt(clock->max_samples));
HCL_DestroyInstance(clock);
}
TEST_CHECK(sum / count < 0.4);
HCL_DestroyInstance(clock);
LCL_Finalise();
}