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tests: kernel: timer: timer_behavior: Fix max_stddev calculation #93325

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Merged
merged 1 commit into from
Jul 22, 2025
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tests: kernel: timer: timer_behavior: Fix max_stddev calculation #93325

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4 changes: 2 additions & 2 deletions tests/kernel/timer/timer_behavior/src/jitter_drift.c
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Original file line number Diff line number Diff line change
Expand Up @@ -237,8 +237,8 @@ static void do_test_using(void (*sample_collection_fn)(void), const char *mechan
- expected_time_drift_us;
double time_diff_us_abs = time_diff_us >= 0.0 ? time_diff_us : -time_diff_us;

/* If max stddev is lower than a single clock cycle then round it up. */
uint32_t max_stddev = MAX(k_cyc_to_us_ceil32(1), CONFIG_TIMER_TEST_MAX_STDDEV);
/* If max stddev is lower than a single clock tick then round it up. */
uint32_t max_stddev = MAX(k_ticks_to_us_ceil32(1), CONFIG_TIMER_TEST_MAX_STDDEV);

TC_PRINT("timer clock rate %u, kernel tick rate %d\n",
sys_clock_hw_cycles_per_sec(), CONFIG_SYS_CLOCK_TICKS_PER_SEC);
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