diff --git a/tests/benchmarks/latency_measure/src/heap_malloc_free.c b/tests/benchmarks/latency_measure/src/heap_malloc_free.c index bd73bbc165b..f21a90b79a0 100644 --- a/tests/benchmarks/latency_measure/src/heap_malloc_free.c +++ b/tests/benchmarks/latency_measure/src/heap_malloc_free.c @@ -47,8 +47,18 @@ void heap_malloc_free(void) count++; } - PRINT_STATS_AVG("Average time for heap malloc", sum_malloc, count); - PRINT_STATS_AVG("Average time for heap free", sum_free, count); + /* if count is 0, it means that there is not enough memory heap + * to do k_malloc at least once, then it's meaningless to + * calculate average time of memory allocation and free. + */ + if (count == 0) { + printk("Error: there isn't enough memory heap to do " + "k_malloc at least once, please " + "increase heap size\n"); + } else { + PRINT_STATS_AVG("Average time for heap malloc", sum_malloc, count); + PRINT_STATS_AVG("Average time for heap free", sum_free, count); + } timing_stop(); }