[PATCH] app/dma-perf: add average latency per worker

[fengchengwen]

Hi Vipin,

On 2023/12/20 0:40, Vipin Varghese wrote:
> Modify the user display data with total average latency per worker.
> 
> Signed-off-by: Vipin Varghese <vipin.varghese at amd.com>
> ---
>  app/test-dma-perf/benchmark.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/app/test-dma-perf/benchmark.c b/app/test-dma-perf/benchmark.c
> index 9b1f58c78c..8b6886af62 100644
> --- a/app/test-dma-perf/benchmark.c
> +++ b/app/test-dma-perf/benchmark.c
> @@ -470,7 +470,8 @@ mem_copy_benchmark(struct test_configure *cfg, bool is_dma)
>  		bandwidth_total += bandwidth;
>  		avg_cycles_total += avg_cycles;
>  	}
> -	printf("\nTotal Bandwidth: %.3lf Gbps, Total MOps: %.3lf\n", bandwidth_total, mops_total);
> +	printf("\nAverage Cycles/op: %.2lf, Total Bandwidth: %.3lf Gbps, Total MOps: %.3lf\n",
> +			(float) avg_cycles_total / nb_workers, bandwidth_total, mops_total);

Because this is total stats, suggest add Total prefix, e.g. "Total Average Cycles/op"

I think print format keep one-digit precision is enough. Also please modify CSV_TOTAL_LINE_FMT
make sure the csv also have same precision of Cycles/op.

Thanks

>  	snprintf(output_str[MAX_WORKER_NB], MAX_OUTPUT_STR_LEN, CSV_TOTAL_LINE_FMT,
>  			cfg->scenario_id, nr_buf, memory * nb_workers,
>  			avg_cycles_total / nb_workers, bandwidth_total, mops_total);
>