entry_time = rte_get_timer_cycles(); for (int i = 0; i < 2000; i++) { rte_malloc(NULL, size, align); } time = (rte_get_timer_cycles()-entry_time) * 1000000 / rte_get_timer_hz(); printf("total open time %lu us, avg time %lu us\n", time, time/2000); } 单线程执行...
status.state=RTE_TIMER_STOP;status.owner=RTE_TIMER_NO_OWNER;tim->status.u32=status.u32; 获取hpet的时钟滴答,也就是一秒值; hz=rte_get_hpet_hz(); 2、启动定时器 1、定时器的启动 lcore_id=rte_lcore_id();rte_timer_reset(&timer0,hz,PERIODICAL,lcore_id,timer0_cb,NULL); 通过rte_lcore...
int rte_timer_reset ( struct rte_timer * tim,uint64_t ticks,enum rte_timer_type type,unsigned tim_lcore,rte_timer_cb_t fct,void * arg)功能:启动或者重置定时器,当定时器经过一定时间间隔超时后,会在tim_lcore指定的core上调用fct函数,函数参数是arg。如果timer当前处于运行状态(Running),函数会调用...
但是必须在调用rte_timer_reset()中指定它。 定时器提供高精度(取决于检查本地核心的定时器到期的rte_timer_manage()的调用频率)。 如果应用程序不需要,可以在编译时禁用定时器,并且程序中不调用rte_timer_manage()来提高性能。 具体使用参考:http://blog.csdn.net/linzhaolover/article/details/9410529 5. 库的...
rte_timer_subsystem_init(); /* init timer structures */ rte_timer_init(&arp_timer); /* load timer0, every second, on master lcore, reloaded automatically */ uint64_t hz = rte_get_timer_hz(); unsigned lcore_id = rte_lcore_id(); ...
https://cloud.tencent.com/developer/article/1182928 https://www.jianshu.com/p/d8ee301f9122 https://static.sched.com/hosted_files/dpdksummitapac2021/35/H... https://zhuanlan.zhihu.com/p/416992198 dpdk 赞收藏 分享 阅读1.1k发布于2024-06-16 ...
timer_period*=rte_get_timer_hz(); /* create the mbuf pool */ l2fwd_pktmbuf_pool=rte_pktmbuf_pool_create("mbuf_pool",NB_MBUF, MEMPOOL_CACHE_SIZE,0,RTE_MBUF_DEFAULT_BUF_SIZE, //创建内存池, rte_socket_id()); if(l2fwd_pktmbuf_pool==NULL) ...
uint64_tprev_tsc,diff_tsc,cur_tsc,timer_tsc; unsignedi,j,portid,nb_rx; structlcore_queue_conf*qconf; constuint64_tdrain_tsc=(rte_get_tsc_hz()+US_PER_S-1)/US_PER_S* BURST_TX_DRAIN_US; structrte_eth_dev_tx_buffer*buffer; ...
+-- librte_timer # 定时器库 3) 应用程序 应用程序是包含 main() 函数的源文件。 他们位于 $(RTE_SDK)/app 和 $(RTE_SDK)/examples 目录中。 常用示例文件: examples +-- cmdline # Example of using the cmdline library +-- exception_path # Sending packets to and from Linux TAP device ...
#define TARGET_PPS 1000 // 目标PPS uint64_t last_tx_time = 0; void transmit_packets(uint16_t portid, struct rte_mbuf **bufs, uint16_t nb_tx) { uint64_t current_time = rte_get_timer_cycles(); uint64_t delay_cycles = (uint64_t)((1.0 / TARGET_PPS) * rte_get_timer_hz()...