[dpdk-dev] [PATCH] app/testpmd: disable latency stats by default

[De Lara Guarch, Pablo]

CC'ing Jingjing.

> -----Original Message-----
> From: De Lara Guarch, Pablo
> Sent: Tuesday, May 02, 2017 2:11 PM
> To: jingjing at intel.com; Pattan, Reshma
> Cc: dev at dpdk.org; De Lara Guarch, Pablo
> Subject: [PATCH] app/testpmd: disable latency stats by default
> 
> Disable latency stats gathering by default,
> so there is not performance degradation if user
> is not interested in them.
> 
> Signed-off-by: Pablo de Lara <pablo.de.lara.guarch at intel.com>
> ---
>  app/test-pmd/testpmd.c | 6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)
> 
> diff --git a/app/test-pmd/testpmd.c b/app/test-pmd/testpmd.c
> index dfe6442..23dfdb0 100644
> --- a/app/test-pmd/testpmd.c
> +++ b/app/test-pmd/testpmd.c
> @@ -971,7 +971,8 @@ run_pkt_fwd_on_lcore(struct fwd_lcore *fc,
> packet_fwd_t pkt_fwd)
>  		}
>  #endif
>  #ifdef RTE_LIBRTE_LATENCY_STATS
> -		if (latencystats_lcore_id == rte_lcore_id())
> +		if (latencystats_enabled != 0 &&
> +				latencystats_lcore_id == rte_lcore_id())
>  			rte_latencystats_update();
>  #endif
> 
> @@ -2238,8 +2239,9 @@ main(int argc, char** argv)
>  		rte_panic("Empty set of forwarding logical cores - check the
> "
>  			  "core mask supplied in the command
> parameters\n");
> 
> -	/* Bitrate stats disabled by default */
> +	/* Bitrate/latency stats disabled by default */
>  	bitrate_enabled = 0;
> +	latencystats_enabled = 0;
> 
>  	argc -= diag;
>  	argv += diag;
> --
> 2.7.4