[PATCH v3] test: improve resiliency of malloc autotest

[fengchengwen]

On 2025/2/6 19:40, Bruce Richardson wrote:
> On Fri, Jan 24, 2025 at 03:18:11PM +0800, fengchengwen wrote:
>> The new impl don't support re-test, how about add a wrap:
>> 1. rename test_multi_alloc_statistics with do_test_multi_alloc_statistics, and make it take socket as parameter
>> 2. create a new function test_multi_alloc_statistics {
>>     // prepare a new malloc heap
>>     ret = do_test_multi_alloc_statistics(socket);
>>     // free the heap
>>     return ret;
>> }
>>
> 
> Can you clarify the issues being seen on re-test? I have just run
> malloc_autotest multiple times within the same dpdk-test instance and not
> seen any issues.

If the middle logic fail, for example:

	if ((post_stats.heap_totalsz_bytes != pre_stats.heap_totalsz_bytes) ||
			(post_stats.heap_freesz_bytes != pre_stats.heap_freesz_bytes) ||
			(post_stats.heap_allocsz_bytes != pre_stats.heap_allocsz_bytes) ||
			(post_stats.alloc_count != pre_stats.alloc_count) ||
			(post_stats.free_count != pre_stats.free_count)) {
		printf("Malloc statistics are incorrect - freed alloc\n");
		return -1;
	}

If the above if branch taken, then retest, the rte_malloc_heap_create(__func__) will
failed because already exist the heap.

> 
> /Bruce
>