1*99a2dd95SBruce Richardson /* SPDX-License-Identifier: BSD-3-Clause 2*99a2dd95SBruce Richardson * Copyright(c) 2010-2018 Intel Corporation 3*99a2dd95SBruce Richardson */ 4*99a2dd95SBruce Richardson 5*99a2dd95SBruce Richardson #include "ethdev_profile.h" 6*99a2dd95SBruce Richardson 7*99a2dd95SBruce Richardson /** 8*99a2dd95SBruce Richardson * This conditional block enables Ethernet device profiling with 9*99a2dd95SBruce Richardson * Intel (R) VTune (TM) Amplifier. 10*99a2dd95SBruce Richardson */ 11*99a2dd95SBruce Richardson #ifdef RTE_ETHDEV_PROFILE_WITH_VTUNE 12*99a2dd95SBruce Richardson 13*99a2dd95SBruce Richardson /** 14*99a2dd95SBruce Richardson * Hook callback to trace rte_eth_rx_burst() calls. 15*99a2dd95SBruce Richardson */ 16*99a2dd95SBruce Richardson uint16_t 17*99a2dd95SBruce Richardson profile_hook_rx_burst_cb( 18*99a2dd95SBruce Richardson __rte_unused uint16_t port_id, __rte_unused uint16_t queue_id, 19*99a2dd95SBruce Richardson __rte_unused struct rte_mbuf *pkts[], uint16_t nb_pkts, 20*99a2dd95SBruce Richardson __rte_unused uint16_t max_pkts, __rte_unused void *user_param) 21*99a2dd95SBruce Richardson { 22*99a2dd95SBruce Richardson return nb_pkts; 23*99a2dd95SBruce Richardson } 24*99a2dd95SBruce Richardson 25*99a2dd95SBruce Richardson /** 26*99a2dd95SBruce Richardson * Setting profiling rx callback for a given Ethernet device. 27*99a2dd95SBruce Richardson * This function must be invoked when ethernet device is being configured. 28*99a2dd95SBruce Richardson * 29*99a2dd95SBruce Richardson * @param port_id 30*99a2dd95SBruce Richardson * The port identifier of the Ethernet device. 31*99a2dd95SBruce Richardson * @param rx_queue_num 32*99a2dd95SBruce Richardson * The number of RX queues on specified port. 33*99a2dd95SBruce Richardson * 34*99a2dd95SBruce Richardson * @return 35*99a2dd95SBruce Richardson * - On success, zero. 36*99a2dd95SBruce Richardson * - On failure, a negative value. 37*99a2dd95SBruce Richardson */ 38*99a2dd95SBruce Richardson static inline int 39*99a2dd95SBruce Richardson vtune_profile_rx_init(uint16_t port_id, uint8_t rx_queue_num) 40*99a2dd95SBruce Richardson { 41*99a2dd95SBruce Richardson uint16_t q_id; 42*99a2dd95SBruce Richardson 43*99a2dd95SBruce Richardson for (q_id = 0; q_id < rx_queue_num; ++q_id) { 44*99a2dd95SBruce Richardson if (!rte_eth_add_rx_callback( 45*99a2dd95SBruce Richardson port_id, q_id, profile_hook_rx_burst_cb, NULL)) { 46*99a2dd95SBruce Richardson return -rte_errno; 47*99a2dd95SBruce Richardson } 48*99a2dd95SBruce Richardson } 49*99a2dd95SBruce Richardson 50*99a2dd95SBruce Richardson return 0; 51*99a2dd95SBruce Richardson } 52*99a2dd95SBruce Richardson #endif /* RTE_ETHDEV_PROFILE_WITH_VTUNE */ 53*99a2dd95SBruce Richardson 54*99a2dd95SBruce Richardson int 55*99a2dd95SBruce Richardson __rte_eth_dev_profile_init(__rte_unused uint16_t port_id, 56*99a2dd95SBruce Richardson __rte_unused struct rte_eth_dev *dev) 57*99a2dd95SBruce Richardson { 58*99a2dd95SBruce Richardson #ifdef RTE_ETHDEV_PROFILE_WITH_VTUNE 59*99a2dd95SBruce Richardson return vtune_profile_rx_init(port_id, dev->data->nb_rx_queues); 60*99a2dd95SBruce Richardson #endif 61*99a2dd95SBruce Richardson return 0; 62*99a2dd95SBruce Richardson } 63