[dpdk-dev] [PATCH v5 1/5] app/flow-perf: add flow performance skeleton
Andrew Rybchenko
arybchenko at solarflare.com
Wed May 6 16:25:51 CEST 2020
On 5/6/20 3:36 PM, Wisam Jaddo wrote:
> Add flow performance application skeleton.
>
> Signed-off-by: Wisam Jaddo <wisamm at mellanox.com>
> ---
[snip]
> diff --git a/app/test-flow-perf/main.c b/app/test-flow-perf/main.c
> new file mode 100644
> index 000000000..7a924cdb7
> --- /dev/null
> +++ b/app/test-flow-perf/main.c
> @@ -0,0 +1,200 @@
> +/* SPDX-License-Identifier: BSD-3-Clause
> + * Copyright 2020 Mellanox Technologies, Ltd
> + *
> + * This file contain the application main file
> + * This application provides the user the ability to test the
> + * insertion rate for specific rte_flow rule under stress state ~4M rule/
> + *
> + * Then it will also provide packet per second measurement after installing
> + * all rules, the user may send traffic to test the PPS that match the rules
> + * after all rules are installed, to check performance or functionality after
> + * the stress.
> + *
> + * The flows insertion will go for all ports first, then it will print the
> + * results, after that the application will go into forwarding packets mode
> + * it will start receiving traffic if any and then forwarding it back and
> + * gives packet per second measurement.
> + */
> +
> +#include <stdio.h>
> +#include <stdlib.h>
> +#include <string.h>
> +#include <stdint.h>
> +#include <inttypes.h>
> +#include <stdarg.h>
> +#include <errno.h>
> +#include <getopt.h>
> +#include <signal.h>
> +#include <stdbool.h>
> +#include <sys/time.h>
> +
> +#include <rte_malloc.h>
> +#include <rte_mempool.h>
> +#include <rte_mbuf.h>
> +#include <rte_ethdev.h>
> +#include <rte_flow.h>
> +
> +#include "config.h"
> +
> +static uint32_t nb_lcores;
> +static struct rte_mempool *mbuf_mp;
> +
> +static void
> +usage(char *progname)
> +{
> + printf("\nusage: %s\n", progname);
> +}
> +
> +static void
> +args_parse(int argc, char **argv)
> +{
> + char **argvopt;
> + int opt;
> + int opt_idx;
> + static struct option lgopts[] = {
> + /* Control */
> + { "help", 0, 0, 0 },
> + };
> +
> + argvopt = argv;
> +
> + while ((opt = getopt_long(argc, argvopt, "",
> + lgopts, &opt_idx)) != EOF) {
> + switch (opt) {
> + case 0:
> + if (!strcmp(lgopts[opt_idx].name, "help")) {
DPDK coding style recommends to compare vs 0 instead of logical
not.
> + usage(argv[0]);
> + rte_exit(EXIT_SUCCESS, "Displayed help\n");
> + }
> + break;
> + default:
> + printf("Invalid option: %s\n", argv[optind]);
Again, sorry if I missed reply: Why error is not logged to
stderr?
> + usage(argv[0]);
> + rte_exit(EXIT_SUCCESS, "Invalid option\n");
> + break;
> + }
> + }
> +}
> +
> +static void
> +init_port(void)
> +{
> + int ret;
> + uint16_t i;
> + uint16_t port_id;
> + uint16_t nr_ports;
> + struct rte_eth_conf port_conf = {
> + .rx_adv_conf = {
> + .rss_conf.rss_hf =
> + ETH_RSS_IP |
> + ETH_RSS_TCP,
> + }
> + };
> + struct rte_eth_txconf txq_conf;
> + struct rte_eth_rxconf rxq_conf;
> + struct rte_eth_dev_info dev_info;
> +
> + nr_ports = rte_eth_dev_count_avail();
> + if (nr_ports == 0)
> + rte_exit(EXIT_FAILURE, "Error: no port detected\n");
> +
> + mbuf_mp = rte_pktmbuf_pool_create("mbuf_pool",
> + TOTAL_MBUF_NUM, MBUF_CACHE_SIZE,
> + 0, MBUF_SIZE,
> + rte_socket_id());
> + if (mbuf_mp == NULL)
> + rte_exit(EXIT_FAILURE, "Error: can't init mbuf pool\n");
> +
> + for (port_id = 0; port_id < nr_ports; port_id++) {
> + ret = rte_eth_dev_info_get(port_id, &dev_info);
> + if (ret != 0)
> + rte_exit(EXIT_FAILURE,
> + "Error during getting device"
> + " (port %u) info: %s\n",
> + port_id, strerror(-ret));
> +
> + port_conf.txmode.offloads &= dev_info.tx_offload_capa;
> + port_conf.rxmode.offloads &= dev_info.rx_offload_capa;
> +
> + printf(":: initializing port: %d\n", port_id);
> +
> + ret = rte_eth_dev_configure(port_id, RXQ_NUM,
> + TXQ_NUM, &port_conf);
> + if (ret < 0)
> + rte_exit(EXIT_FAILURE,
> + ":: cannot configure device: err=%d, port=%u\n",
> + ret, port_id);
> +
> + rxq_conf = dev_info.default_rxconf;
> + rxq_conf.offloads = port_conf.rxmode.offloads;
As far as I know there is no necessity to repeat port offlaod
on queue level. So, the line is not necesary.
> +
> + for (i = 0; i < RXQ_NUM; i++) {
> + ret = rte_eth_rx_queue_setup(port_id, i, NR_RXD,
> + rte_eth_dev_socket_id(port_id),
> + &rxq_conf,
> + mbuf_mp);
> + if (ret < 0)
> + rte_exit(EXIT_FAILURE,
> + ":: Rx queue setup failed: err=%d, port=%u\n",
> + ret, port_id);
> + }
> +
> + txq_conf = dev_info.default_txconf;
> + txq_conf.offloads = port_conf.txmode.offloads;
As far as I know there is no necessity to repeat port offlaod
on queue level. So, the line is not necesary.
> +
> + for (i = 0; i < TXQ_NUM; i++) {
> + ret = rte_eth_tx_queue_setup(port_id, i, NR_TXD,
> + rte_eth_dev_socket_id(port_id),
> + &txq_conf);
> + if (ret < 0)
> + rte_exit(EXIT_FAILURE,
> + ":: Tx queue setup failed: err=%d, port=%u\n",
> + ret, port_id);
> + }
> +
> + /* Catch all packets from traffic generator. */
> + ret = rte_eth_promiscuous_enable(port_id);
> + if (ret != 0)
> + rte_exit(EXIT_FAILURE,
> + ":: promiscuous mode enable failed: err=%s, port=%u\n",
> + rte_strerror(-ret), port_id);
> +
> + ret = rte_eth_dev_start(port_id);
> + if (ret < 0)
> + rte_exit(EXIT_FAILURE,
> + "rte_eth_dev_start:err=%d, port=%u\n",
> + ret, port_id);
> +
> + printf(":: initializing port: %d done\n", port_id);
> + }
> +}
> +
> +int
> +main(int argc, char **argv)
> +{
> + int ret;
> + uint16_t port;
> + struct rte_flow_error error;
> +
> + ret = rte_eal_init(argc, argv);
> + if (ret < 0)
> + rte_exit(EXIT_FAILURE, "EAL init failed\n");
> +
> + argc -= ret;
> + argv += ret;
> + if (argc > 1)
> + args_parse(argc, argv);
> +
> + init_port();
> +
> + nb_lcores = rte_lcore_count();
> + if (nb_lcores <= 1)
> + rte_exit(EXIT_FAILURE, "This app needs at least two cores\n");
> +
> + RTE_ETH_FOREACH_DEV(port) {
> + rte_flow_flush(port, &error);
> + rte_eth_dev_stop(port);
> + rte_eth_dev_close(port);
> + }
> + return 0;
> +}
[snip]
> diff --git a/config/common_base b/config/common_base
> index 14000ba07..b2edd5267 100644
> diff --git a/doc/guides/rel_notes/release_20_05.rst b/doc/guides/rel_notes/release_20_05.rst
> index b124c3f28..258b1e03e 100644
> --- a/doc/guides/rel_notes/release_20_05.rst
> +++ b/doc/guides/rel_notes/release_20_05.rst
> @@ -212,6 +212,16 @@ New Features
> * Added IPsec inbound load-distribution support for ipsec-secgw application
> using NIC load distribution feature(Flow Director).
>
> +* **Added flow performance application.**
> +
> + Add new application to test rte_flow performance.
> +
> + Application features:
> + * Measure rte_flow insertion rate.
> + * Measure rte_flow deletion rate.
> + * Dump rte_flow memory consumption.
> + * Measure packet per second forwarding.
I think above lines should be added in appropriate patches
which really do it.
> +
>
> Removed Items
> -------------
[snip]
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