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From: "De Lara Guarch, Pablo" <pablo.de.lara.guarch@intel.com>
To: "Wang, Zhihong" <zhihong.wang@intel.com>, "dev@dpdk.org" <dev@dpdk.org>
Cc: "Ananyev, Konstantin" <konstantin.ananyev@intel.com>,
	"Richardson, Bruce" <bruce.richardson@intel.com>,
	"thomas.monjalon@6wind.com" <thomas.monjalon@6wind.com>
Subject: Re: [dpdk-dev] [PATCH v2 3/5] testpmd: show throughput in port stats
Date: Tue, 7 Jun 2016 10:02:58 +0000	[thread overview]
Message-ID: <E115CCD9D858EF4F90C690B0DCB4D8973C95A9E6@IRSMSX108.ger.corp.intel.com> (raw)
In-Reply-To: <1464751663-135211-4-git-send-email-zhihong.wang@intel.com>



> -----Original Message-----
> From: Wang, Zhihong
> Sent: Wednesday, June 01, 2016 4:28 AM
> To: dev@dpdk.org
> Cc: Ananyev, Konstantin; Richardson, Bruce; De Lara Guarch, Pablo;
> thomas.monjalon@6wind.com; Wang, Zhihong
> Subject: [PATCH v2 3/5] testpmd: show throughput in port stats
> 
> This patch adds throughput numbers (in the period since last use of this
> command) in port statistics display for "show port stats (port_id|all)".
> 
> 
> Signed-off-by: Zhihong Wang <zhihong.wang@intel.com>
> ---
>  app/test-pmd/config.c | 20 ++++++++++++++++++++
>  1 file changed, 20 insertions(+)
> 
> diff --git a/app/test-pmd/config.c b/app/test-pmd/config.c
> index c611649..f487b87 100644
> --- a/app/test-pmd/config.c
> +++ b/app/test-pmd/config.c
> @@ -92,6 +92,7 @@
>  #include <rte_ether.h>
>  #include <rte_ethdev.h>
>  #include <rte_string_fns.h>
> +#include <rte_cycles.h>
> 
>  #include "testpmd.h"
> 
> @@ -150,6 +151,10 @@ print_ethaddr(const char *name, struct ether_addr
> *eth_addr)
>  void
>  nic_stats_display(portid_t port_id)
>  {
> +	static uint64_t sum_rx[RTE_MAX_ETHPORTS];
> +	static uint64_t sum_tx[RTE_MAX_ETHPORTS];
> +	static uint64_t cycles[RTE_MAX_ETHPORTS];
> +	uint64_t pkt_rx, pkt_tx, cycle;

Could you rename some of these variables to something more specific?
Like:
pkt_rx -> diff_rx_pkts
sum_rx -> prev_rx_pkts
cycle -> diff_cycles
cycles -> prev_cycles



>  	struct rte_eth_stats stats;
>  	struct rte_port *port = &ports[port_id];
>  	uint8_t i;
> @@ -209,6 +214,21 @@ nic_stats_display(portid_t port_id)
>  		}
>  	}
> 
> +	cycle = cycles[port_id];
> +	cycles[port_id] = rte_rdtsc();
> +	if (cycle > 0)
> +		cycle = cycles[port_id] - cycle;
> +
> +	pkt_rx = stats.ipackets - sum_rx[port_id];
> +	pkt_tx = stats.opackets - sum_tx[port_id];
> +	sum_rx[port_id] = stats.ipackets;
> +	sum_tx[port_id] = stats.opackets;
> +	printf("\n  Throughput (since last show)\n");
> +	printf("  RX-pps: %12"PRIu64"\n"
> +			"  TX-pps: %12"PRIu64"\n",
> +			cycle > 0 ? pkt_rx * rte_get_tsc_hz() / cycle : 0,
> +			cycle > 0 ? pkt_tx * rte_get_tsc_hz() / cycle : 0);
> +
>  	printf("  %s############################%s\n",
>  	       nic_stats_border, nic_stats_border);
>  }
> --
> 2.5.0

  reply	other threads:[~2016-06-07 10:04 UTC|newest]

Thread overview: 54+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-05-05 22:46 [dpdk-dev] [PATCH 0/6] vhost/virtio performance loopback utility Zhihong Wang
2016-05-05 22:46 ` [dpdk-dev] [PATCH 1/6] testpmd: add io_retry forwarding Zhihong Wang
2016-05-25  9:32   ` Thomas Monjalon
2016-05-26  2:40     ` Wang, Zhihong
2016-05-26  6:27       ` Thomas Monjalon
2016-05-26  9:24         ` Wang, Zhihong
2016-05-05 22:46 ` [dpdk-dev] [PATCH 2/6] testpmd: configurable tx_first burst number Zhihong Wang
2016-05-25  9:35   ` Thomas Monjalon
2016-05-26  2:53     ` Wang, Zhihong
2016-05-26  6:31       ` Thomas Monjalon
2016-05-26  9:31         ` Wang, Zhihong
2016-05-05 22:46 ` [dpdk-dev] [PATCH 3/6] testpmd: show throughput in port stats Zhihong Wang
2016-05-05 22:46 ` [dpdk-dev] [PATCH 4/6] testpmd: handle all rxqs in rss setup Zhihong Wang
2016-05-25  9:42   ` Thomas Monjalon
2016-05-26  2:55     ` Wang, Zhihong
2016-06-03  9:22       ` Wang, Zhihong
2016-05-05 22:47 ` [dpdk-dev] [PATCH 5/6] testpmd: show topology at forwarding start Zhihong Wang
2016-05-25  9:45   ` Thomas Monjalon
2016-05-26  2:56     ` Wang, Zhihong
2016-05-05 22:47 ` [dpdk-dev] [PATCH 6/6] testpmd: update documentation Zhihong Wang
2016-05-25  9:48   ` Thomas Monjalon
2016-05-26  2:54     ` Wang, Zhihong
2016-05-20  8:54 ` [dpdk-dev] [PATCH 0/6] vhost/virtio performance loopback utility Wang, Zhihong
2016-05-25  9:27 ` Thomas Monjalon
2016-06-01  3:27 ` [dpdk-dev] [PATCH v2 0/5] " Zhihong Wang
2016-06-01  3:27   ` [dpdk-dev] [PATCH v2 1/5] testpmd: add retry option Zhihong Wang
2016-06-07  9:28     ` De Lara Guarch, Pablo
2016-06-08  1:29       ` Wang, Zhihong
2016-06-01  3:27   ` [dpdk-dev] [PATCH v2 2/5] testpmd: configurable tx_first burst number Zhihong Wang
2016-06-07  9:43     ` De Lara Guarch, Pablo
2016-06-01  3:27   ` [dpdk-dev] [PATCH v2 3/5] testpmd: show throughput in port stats Zhihong Wang
2016-06-07 10:02     ` De Lara Guarch, Pablo [this message]
2016-06-08  1:31       ` Wang, Zhihong
2016-06-01  3:27   ` [dpdk-dev] [PATCH v2 4/5] testpmd: handle all rxqs in rss setup Zhihong Wang
2016-06-07 10:29     ` De Lara Guarch, Pablo
2016-06-08  1:28       ` Wang, Zhihong
2016-06-01  3:27   ` [dpdk-dev] [PATCH v2 5/5] testpmd: show topology at forwarding start Zhihong Wang
2016-06-07 10:56     ` De Lara Guarch, Pablo
2016-06-14 15:13     ` De Lara Guarch, Pablo
2016-06-15  7:05       ` Wang, Zhihong
2016-06-14 23:08 ` [dpdk-dev] [PATCH v3 0/5] vhost/virtio performance loopback utility Zhihong Wang
2016-06-14 23:08   ` [dpdk-dev] [PATCH v3 1/5] testpmd: add retry option Zhihong Wang
2016-06-14 23:08   ` [dpdk-dev] [PATCH v3 2/5] testpmd: configurable tx_first burst number Zhihong Wang
2016-06-14 23:08   ` [dpdk-dev] [PATCH v3 3/5] testpmd: show throughput in port stats Zhihong Wang
2016-06-14 23:08   ` [dpdk-dev] [PATCH v3 4/5] testpmd: handle all rxqs in rss setup Zhihong Wang
2016-06-27 14:23     ` Nélio Laranjeiro
2016-06-27 22:36       ` De Lara Guarch, Pablo
2016-06-28  8:34         ` Nélio Laranjeiro
2016-06-28 11:10           ` Wang, Zhihong
2016-06-14 23:08   ` [dpdk-dev] [PATCH v3 5/5] testpmd: show topology at forwarding start Zhihong Wang
2016-06-16 11:09     ` De Lara Guarch, Pablo
2016-06-16 13:33       ` Thomas Monjalon
2016-06-15 10:04   ` [dpdk-dev] [PATCH v3 0/5] vhost/virtio performance loopback utility De Lara Guarch, Pablo
2016-06-16 14:36     ` Thomas Monjalon

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