Re: [dpdk-dev] [PATCH 2/2] app/testpmd: add bits per second to statistics

[Moti Haimovsky <motih@mellanox.com>]

> -----Original Message-----
> From: dev <dev-bounces@dpdk.org> On Behalf Of Matan Azrad
> Sent: Monday, July 29, 2019 3:37 PM
> To: Wenzhuo Lu <wenzhuo.lu@intel.com>; Jingjing Wu
> <jingjing.wu@intel.com>
> Cc: dev@dpdk.org
> Subject: [dpdk-dev] [PATCH 2/2] app/testpmd: add bits per second to
> statistics
> 
> Traffic bps statistics is very useful for performance testing.
> 
> Add bits per second statistics for Rx and Tx.
> 
> Signed-off-by: Matan Azrad <matan@mellanox.com>
Acked-by: Moti Haimovsky <motih@mellanox.com>
> ---
>  app/test-pmd/config.c | 24 ++++++++++++++++++++----
>  1 file changed, 20 insertions(+), 4 deletions(-)
> 
> diff --git a/app/test-pmd/config.c b/app/test-pmd/config.c index
> 1a5a5c1..88bc716 100644
> --- a/app/test-pmd/config.c
> +++ b/app/test-pmd/config.c
> @@ -119,9 +119,12 @@
>  {
>  	static uint64_t prev_pkts_rx[RTE_MAX_ETHPORTS];
>  	static uint64_t prev_pkts_tx[RTE_MAX_ETHPORTS];
> +	static uint64_t prev_bytes_rx[RTE_MAX_ETHPORTS];
> +	static uint64_t prev_bytes_tx[RTE_MAX_ETHPORTS];
>  	static uint64_t prev_cycles[RTE_MAX_ETHPORTS];
> -	uint64_t diff_pkts_rx, diff_pkts_tx, diff_cycles;
> -	uint64_t mpps_rx, mpps_tx;
> +	uint64_t diff_pkts_rx, diff_pkts_tx, diff_bytes_rx, diff_bytes_tx,
> +								diff_cycles;
> +	uint64_t mpps_rx, mpps_tx, mbps_rx, mbps_tx;
>  	struct rte_eth_stats stats;
>  	struct rte_port *port = &ports[port_id];
>  	uint8_t i;
> @@ -192,9 +195,22 @@
>  		diff_pkts_rx * rte_get_tsc_hz() / diff_cycles : 0;
>  	mpps_tx = diff_cycles > 0 ?
>  		diff_pkts_tx * rte_get_tsc_hz() / diff_cycles : 0;
> +
> +	diff_bytes_rx = (stats.ibytes > prev_bytes_rx[port_id]) ?
> +		(stats.ibytes - prev_bytes_rx[port_id]) : 0;
> +	diff_bytes_tx = (stats.obytes > prev_bytes_tx[port_id]) ?
> +		(stats.obytes - prev_bytes_tx[port_id]) : 0;
> +	prev_bytes_rx[port_id] = stats.ibytes;
> +	prev_bytes_tx[port_id] = stats.obytes;
> +	mbps_rx = diff_cycles > 0 ?
> +		diff_bytes_rx * rte_get_tsc_hz() / diff_cycles : 0;
> +	mbps_tx = diff_cycles > 0 ?
> +		diff_bytes_tx * rte_get_tsc_hz() / diff_cycles : 0;
> +
>  	printf("\n  Throughput (since last show)\n");
> -	printf("  Rx-pps: %12"PRIu64"\n  Tx-pps: %12"PRIu64"\n",
> -			mpps_rx, mpps_tx);
> +	printf("  Rx-pps: %12"PRIu64"          Rx-bps: %12"PRIu64"\n  Tx-
> pps: %12"
> +	       PRIu64"          Tx-bps: %12"PRIu64"\n", mpps_rx, mbps_rx * 8,
> +	       mpps_tx, mbps_tx * 8);
> 
>  	printf("  %s############################%s\n",
>  	       nic_stats_border, nic_stats_border);
> --
> 1.8.3.1