199a2dd95SBruce Richardson /* SPDX-License-Identifier: BSD-3-Clause 299a2dd95SBruce Richardson * Copyright(c) 2010-2018 Intel Corporation 399a2dd95SBruce Richardson */ 499a2dd95SBruce Richardson 599a2dd95SBruce Richardson #include "ethdev_profile.h" 699a2dd95SBruce Richardson 799a2dd95SBruce Richardson /** 899a2dd95SBruce Richardson * This conditional block enables Ethernet device profiling with 999a2dd95SBruce Richardson * Intel (R) VTune (TM) Amplifier. 1099a2dd95SBruce Richardson */ 1199a2dd95SBruce Richardson #ifdef RTE_ETHDEV_PROFILE_WITH_VTUNE 1299a2dd95SBruce Richardson 1399a2dd95SBruce Richardson /** 1499a2dd95SBruce Richardson * Hook callback to trace rte_eth_rx_burst() calls. 1599a2dd95SBruce Richardson */ 1699a2dd95SBruce Richardson uint16_t 1799a2dd95SBruce Richardson profile_hook_rx_burst_cb( 1899a2dd95SBruce Richardson __rte_unused uint16_t port_id, __rte_unused uint16_t queue_id, 1999a2dd95SBruce Richardson __rte_unused struct rte_mbuf *pkts[], uint16_t nb_pkts, 2099a2dd95SBruce Richardson __rte_unused uint16_t max_pkts, __rte_unused void *user_param) 2199a2dd95SBruce Richardson { 2299a2dd95SBruce Richardson return nb_pkts; 2399a2dd95SBruce Richardson } 2499a2dd95SBruce Richardson 2599a2dd95SBruce Richardson /** 26*09fd4227SAndrew Rybchenko * Setting profiling Rx callback for a given Ethernet device. 2799a2dd95SBruce Richardson * This function must be invoked when ethernet device is being configured. 2899a2dd95SBruce Richardson * 2999a2dd95SBruce Richardson * @param port_id 3099a2dd95SBruce Richardson * The port identifier of the Ethernet device. 3199a2dd95SBruce Richardson * @param rx_queue_num 32*09fd4227SAndrew Rybchenko * The number of Rx queues on specified port. 3399a2dd95SBruce Richardson * 3499a2dd95SBruce Richardson * @return 3599a2dd95SBruce Richardson * - On success, zero. 3699a2dd95SBruce Richardson * - On failure, a negative value. 3799a2dd95SBruce Richardson */ 3899a2dd95SBruce Richardson static inline int 3999a2dd95SBruce Richardson vtune_profile_rx_init(uint16_t port_id, uint8_t rx_queue_num) 4099a2dd95SBruce Richardson { 4199a2dd95SBruce Richardson uint16_t q_id; 4299a2dd95SBruce Richardson 4399a2dd95SBruce Richardson for (q_id = 0; q_id < rx_queue_num; ++q_id) { 4499a2dd95SBruce Richardson if (!rte_eth_add_rx_callback( 4599a2dd95SBruce Richardson port_id, q_id, profile_hook_rx_burst_cb, NULL)) { 4699a2dd95SBruce Richardson return -rte_errno; 4799a2dd95SBruce Richardson } 4899a2dd95SBruce Richardson } 4999a2dd95SBruce Richardson 5099a2dd95SBruce Richardson return 0; 5199a2dd95SBruce Richardson } 5299a2dd95SBruce Richardson #endif /* RTE_ETHDEV_PROFILE_WITH_VTUNE */ 5399a2dd95SBruce Richardson 5499a2dd95SBruce Richardson int 5599a2dd95SBruce Richardson __rte_eth_dev_profile_init(__rte_unused uint16_t port_id, 5699a2dd95SBruce Richardson __rte_unused struct rte_eth_dev *dev) 5799a2dd95SBruce Richardson { 5899a2dd95SBruce Richardson #ifdef RTE_ETHDEV_PROFILE_WITH_VTUNE 5999a2dd95SBruce Richardson return vtune_profile_rx_init(port_id, dev->data->nb_rx_queues); 6099a2dd95SBruce Richardson #endif 6199a2dd95SBruce Richardson return 0; 6299a2dd95SBruce Richardson } 63