[PATCH v2] app/dma-perf: calrify incorrect NUMA config

[Varghese, Vipin]

<snipped>
>> diff --git a/app/test-dma-perf/benchmark.c b/app/test-dma-perf/benchmark.c
>> index 9b1f58c78c..b6d0dbe4c0 100644
>> --- a/app/test-dma-perf/benchmark.c
>> +++ b/app/test-dma-perf/benchmark.c
>> @@ -311,9 +311,14 @@ setup_memory_env(struct test_configure *cfg, struct rte_mbuf ***srcs,
>>        uint32_t nr_buf = cfg->nr_buf;
>>
>>        nr_sockets = rte_socket_count();
>> -     if (cfg->src_numa_node >= nr_sockets ||
>> -             cfg->dst_numa_node >= nr_sockets) {
>> -             printf("Error: Source or destination numa exceeds the acture numa nodes.\n");
>> +
>> +     bool isSrcNumaIncorrect = (cfg->src_numa_node >= nr_sockets);
>> +     bool isDstNumaIncorrect = (cfg->dst_numa_node >= nr_sockets);
> The naming style needs to be adjusted, how about
> bool is_src_numa_exceed, is_dst_numa_exceed;

Ok, the naming convention used by me is `CamelCase`. One suggested from 
your end is `snake_case`.

Does DPDK has a constrain it can not use CamelCase.

>
> And predefine the variable at the beginning of function, sort by length, some like:
>
>          bool is_src_numa_exceed, is_dst_numa_exceed;
>          unsigned int buf_size = cfg->buf_size.cur;
>          uint32_t nr_buf = cfg->nr_buf;
>          unsigned int nr_sockets;
>
>          nr_sockets = rte_socket_count();
>          is_src_numa_exceed =
>          is_dst_numa_exceed =
>          if (xxx)
>                  ...
>
>> +
>> +     if (isSrcNumaIncorrect || isDstNumaIncorrect) {
>> +             PRINT_ERR("Error: NUMA config exceeds the actual numa nodes for %s.\n",
>> +                     (isSrcNumaIncorrect && isDstNumaIncorrect) ? "Source & Destination" :
>> +                             (isSrcNumaIncorrect) ? "Source" : "Destination");
> Please don't capitalize the first letter of "Source" and "Destination"

Can you please explain why?


>
> Thanks
>
>>                return -1;
>>        }
>>
>>
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