DPDK中文网-DPDK项目实战-第2页

## Resource limits QoS Using argument ``--max-samples`` ```` will configure the corresponding endpoint with the given resource limit. The remain resource limits QoS (max instances and max samples per instance) are configured likewise ...

这段文本介绍了如何使用命令行参数来配置某个端点的资源限制质量服务（QoS）。具体来说，它提供了三种资源限制的设置，分别是最大样本数、最大实例数和每个实例的最大样本数。下面是对每个参数及其功能的详细解释：--max-samples&l...

DPDK开发

2025-03-27

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## Ownership QoS Using argument ``-o`` or ``--ownership`` will configure the corresponding endpoint with ``EXCLUSIVE`` [ownership QoS kind](https://fast-dds.docs.eprosima.com/en/latest/fastdds/dds_layer/core/policy/standardQosPolicies...

这段文本描述了数据传输中的所有权QoS（QualityofService，服务质量）设置，特别是在使用FastDDS（DataDistributionService）时的配置选项。关键要点解释：所有权QoS类型：使用...

DPDK开发

2025-03-27

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udp::endpoint(udp::v4(), 13)

udp::endpoint(udp::v4(),13)是使用Boost.Asio库来创建一个UDP套接字的端点（endpoint）。在这个表达式中：udp::v4()表示使用IPv4地址族。13是指定的端口号。...

DPDK开发

2025-03-27

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## Reliability QoS Using argument ``-r`` or ``--reliable`` will configure the corresponding endpoint with ``RELIABLE`` reliability QoS. If the argument is not provided, by default is configured as ``BEST_EFFORT``. Whereas **``BES...

ReliabilityQoS解释ReliabilityQoS（可靠性服务质量）是用于配置DDS（数据分发服务）中数据传输的可靠性机制。它决定了在数据通信中如何处理丢失或未确认的数据样本。使用方式命令行参数：-r或-...

DPDK开发

2025-03-27

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inet_addr

inet_addr是一个在C/C++编程中用于将IPv4地址的字符串表示转换为网络字节序的二进制格式的函数。它通常用于网络编程，特别是在使用sockets时。函数原型#include<arpa/inet.h>...

DPDK开发

2025-03-26

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内网穿透

内网穿透是一种技术，用于使位于私有网络（内网）中的设备能够被外部网络（互联网）访问。因为许多家庭和公司网络使用NAT（网络地址转换），所以这些设备在公共互联网上没有直接的可访问IP地址。内网穿透可以解决这个问题，常见的应用场景包括远程...

DPDK开发

2025-03-26

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busctl call xyz.openbmc_project.ObjectMapper /xyz/openbmc_project/object_mapper xyz.openbmc_project.ObjectMapper GetSubTree sias "/xyz/openbmc_project/control/fanpwm" 0 1 "xyz.openbmc_project.Control.FanPwm" --json=pretty { "type" : "a{sa{sas}}",...

根据你提供的信息，使用busctlcall和GetSubTree方法查询/xyz/openbmc_project/control/fanpwm的子树时得到了一个空的结果（即{}），而通过busctlintrospect...

DPDK开发

2025-03-26

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linux c tun/tap的实现代码

在Linux中，TUN/TAP设备是一种虚拟网络接口，它们允许用户空间程序与内核网络栈进行交互。下面是一个简单的示例代码，展示如何创建和使用TUN设备。TUN/TAP设备示例#include<stdio.h>#incl...

DPDK开发

2025-03-26

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## History QoS Using argument ``--keep-all`` will configure the corresponding endpoint to keep all the values until they can be delivered to the existing subscribers. This ``KEEP_ALL`` history QoS option does not have numeric argument, be...

这段文字描述了在使用某个系统（可能是与ROS2或DDS相关的系统）时关于历史质量服务（QoS）的配置选项。主要内容解释：KEEP_ALL:当你使用参数--keep-all时，配置对应的端点以保存所有的值，直到这些值可以被现...

DPDK开发

2025-03-26

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## Disable positive ACKs QoS Using argument ``--disable-positive-ack`` will configure the corresponding endpoint to not exchange positive acknowledge messages. It would only take place in a reliable communication, where both endpoints ar...

这段文字描述了在某个消息传递系统中如何配置正向确认（PositiveACKs）功能，并解释了相关的兼容性规则和参数配置。以下是对文本内容的总结与解析：主要内容禁用正向确认（PositiveACKs）:使用命令行参数--di...

DPDK开发

2025-03-26

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DPDK官网

DPDK技术架构及性能影响因素

【SPDK】什么是SPDK？为什么用SPDK

DPDK Mbuf Library

DPDK Hash Library原理

OVS 总体架构、源码结构及数据流程全面解析

DPVS的定时器

DPDK与QoS(服务质量)

DPDK中断机制

dpdk pci 设备初始化

dpdk uio 驱动实现

## Resource limits QoS Using argument ``--max-samples`` ```` will configure the corresponding endpoint with the given resource limit. The remain resource limits QoS (max instances and max samples per instance) are configured likewise ...

## Ownership QoS Using argument ``-o`` or ``--ownership`` will configure the corresponding endpoint with ``EXCLUSIVE`` [ownership QoS kind](https://fast-dds.docs.eprosima.com/en/latest/fastdds/dds_layer/core/policy/standardQosPolicies...

udp::endpoint(udp::v4(), 13)

## Reliability QoS Using argument ``-r`` or ``--reliable`` will configure the corresponding endpoint with ``RELIABLE`` reliability QoS. If the argument is not provided, by default is configured as ``BEST_EFFORT``. Whereas **``BES...

inet_addr

内网穿透

busctl call xyz.openbmc_project.ObjectMapper /xyz/openbmc_project/object_mapper xyz.openbmc_project.ObjectMapper GetSubTree sias "/xyz/openbmc_project/control/fanpwm" 0 1 "xyz.openbmc_project.Control.FanPwm" --json=pretty { "type" : "a{sa{sas}}",...

linux c tun/tap的实现代码

## History QoS Using argument ``--keep-all`` will configure the corresponding endpoint to keep all the values until they can be delivered to the existing subscribers. This ``KEEP_ALL`` history QoS option does not have numeric argument, be...

## Disable positive ACKs QoS Using argument ``--disable-positive-ack`` will configure the corresponding endpoint to not exchange positive acknowledge messages. It would only take place in a reliable communication, where both endpoints ar...

15. Typical Use-Cases Fast DDS is highly configurable, which allows for its use in a large number of scenarios. This section provides configuration examples for the following typical use cases when dealing with distributed systems: Large Data mo...

dpdk rte_pktmbuf_pool_create 函数参数解释

14.2.2.8. Map Types Map types are a collection of key/value pair types. Access to the value element is done through the key which is unique within the map type. The TypeKind used to identify maps is TK_MAP. TypeDescriptor element_type property mu...

root@ztl:/home/ztl# v4l2-ctl -d /dev/video0 --set-fmt-video=width=1920,height=1080,pixelformat=NV12 VIDIOC_S_FMT: failed: Invalid argument root@ztl:/home/ztl# v4l2-ctl -d /dev/video0 --list-formats-ext ioctl: VIDIOC_ENUM_FMT Type: Video Capture M...

希望百万连接tcp内存在7G以内

redis 6.2

/**< This error code is returned when V4 PDN is in throttled state due to network providing only V6 address e.g during the previous VSNCP bringup (subs_limited_to_v6). The time for which the IPv4 PDN is throttled is determined by the IPv4 throttli...

fio3通过配置文件实现顺序执行

13.1.1. Statistics Topic names Data collected by the Fast DDS Statistics module is published in one of the topics listed below. In order to simplify its use, the API provides aliases for the different statistics topics (see Topic names). The foll...

网络运维岗位实习周记 32篇

dpdk使用nDPI过滤http协议

掌握 RIP 协议的特点

-Wformat-overflow=报错

SoftEther VPN 与 openvpn

Linux c ipv6 tcp连接的客户端和服务端

dpdk uio 驱动实现

ubuntu下面temporary failure resolving ‘archive.ubuntu.com’ 是啥情况

class PacketHandler : public QRunnable { public: PacketHandler(const QByteArray& data, PacketType type, const QString& fileflorlPath, Transfer *stTransfer) : mData(data), mType(type), mFileflorlPath(fileflorlPath), mStTransfer(stTransfer){} v...

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DPDK Hash Library原理

OVS 总体架构、源码结构及数据流程全面解析

DPVS的定时器

DPDK与QoS(服务质量)

DPDK中断机制

dpdk pci 设备初始化

dpdk uio 驱动实现

网络运维岗位实习周记 32篇

dpdk使用nDPI过滤http协议

掌握 RIP 协议的特点

-Wformat-overflow=报错

SoftEther VPN 与 openvpn

Linux c ipv6 tcp连接的客户端和服务端

dpdk uio 驱动实现

ubuntu下面temporary failure resolving ‘archive.ubuntu.com’ 是啥情况

class PacketHandler : public QRunnable { public: PacketHandler(const QByteArray& data, PacketType type, const QString& fileflorlPath, Transfer *stTransfer) : mData(data), mType(type), mFileflorlPath(fileflorlPath), mStTransfer(stTransfer){} v...

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