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tests/ztimer_periodic: improve output and relax on native

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- Explain the reason on why the test fails if it fails
- Relax offset for ZTIMER_USEC on native, as this depends on the jitter
  emitted by the non-realtime OS native is running on

fixes issue #18490
This commit is contained in:
Marian Buschsieweke 2022-08-21 13:12:43 +02:00
parent 36595fd366
commit 7ea0cab22e
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GPG Key ID: CB8E3238CE715A94
1 changed files with 11 additions and 2 deletions
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13
tests/ztimer_periodic/main.c
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@ -39,7 +39,15 @@ static int _count;
#define ZTIMER_CLOCKS { ZTIMER_MSEC, ZTIMER_USEC }
static const char *_names[] = { "ZTIMER_MSEC", "ZTIMER_USEC" };
static uint32_t _intervals[] = { 100, 10000 };
static uint32_t _max_offsets[] = { 2, 100 };
static uint32_t _max_offsets[] = {
2,
#ifdef BOARD_NATIVE
/* native is running on top of a multi-media OS, not a real-time OS */
1000
#else
100
#endif
};
static bool callback(void *arg)
{
@ -81,7 +89,7 @@ int main(void)
uint32_t last = t.last - _intervals[j];
if (!ztimer_is_set(clock, &t.timer)) {
print_str("Test failed\n");
print_str("Test failed, timer not set\n");
return 1;
}
@ -93,6 +101,7 @@ int main(void)
printf("i: %u time: %" PRIu32 " offset: %" PRIu32 "\n",
i, _times[i], offset);
if (offset > _max_offsets[j]) {
print_str("Offset too large, failure\n");
failed = 1;
}
last = _times[i];