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153 lines
6.0 KiB
153 lines
6.0 KiB
2 years ago
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## dperf <https://github.com/baidu/dperf>
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dperf 是一个100Gbps的网络性能与压力测试软件。
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## 优点
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- 性能强大：
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- 基于 DPDK，使用一台普通 x86 服务器就可以产生巨大的流量：千万级的 HTTP 每秒新建连接数，数百Gbps的带宽，几十亿的并发连接数
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- 统计信息详细：
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- 能够输出详细的统计信息，并且识别每一个丢包
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- 使用场景丰富：
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- 可用于对四层负载均衡等四层网关进行性能压力测试、长稳测试
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- 可用于对云上虚拟机的网络性能进行测试
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- 可用于对网卡性能、CPU的网络报文处理能力进行测试
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- 压测场景下，可作为高性能的HTTP Server或HTTP Client单独使用
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## 性能
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### HTTP每秒新建连接数
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|Client Cores|Server Cores|HTTP CPS|
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|------------|------------|--------|
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|1|1|2,101,044|
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|2|2|4,000,423|
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|4|4|7,010,743|
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|6|6|10,027,172|
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### HTTP吞吐
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|Client Cores|Server Cores|RX(Gbps)|TX(Gbps)|Client CPU Usage(%)|Server CPU Usage(%)|
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|------------|------------|--------|--------|-------------------|-------------------|
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|1|1|18|18|60|59|
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|2|2|35|35|60|59|
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|4|4|46|46|43|43|
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### HTTP并发连接数
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|Client Cores|Server Cores|Current Connections|Client CPU Usage(%)|Server CPU Usage(%)|
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|------------|------------|-------------------|-------------------|-------------------|
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|1|1|100,000,000|34|39|
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|2|2|200,000,000|36|39|
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|4|4|400,000,000|40|41|
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### UDP TX PPS
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|Client Cores|TX MPPS|Client CPU Usage(%)|
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|------------|-------|-------------------|
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|1|15.96|95|
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|2|29.95|95|
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|4|34.92|67|
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|6|35.92|54|
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|8|37.12|22|
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注意：本测试基于单张25Gbps Mellanox CX4
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### 测试环境配置（客户端、服务器）
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dperf 的以上性能数据，基于下面的配置测试得到：
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- 内存: 512GB(大页 100GB)
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- 网卡: Mellanox MT27710 25Gbps * 2
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- 内核: 4.19.90
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## 统计数据
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dperf 每秒输出多种统计数据：
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- TPS, CPS, 各种维度的PPS
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- TCP/Socket/HTTP级别的错误数
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- 丢包数
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- 按照TCP Flag分类的报文重传数
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```
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seconds 22 cpuUsage 52
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pktRx 3,001,058 pktTx 3,001,025 bitsRx 2,272,799,040 bitsTx 1,920,657,600 dropTx 0
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arpRx 0 arpTx 0 icmpRx 0 icmpTx 0 otherRx 0 badRx 0
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synRx 1,000,345 synTx 1,000,330 finRx 1,000,350 finTx 1,000,350 rstRx 0 rstTx 0
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synRt 0 finRt 0 ackRt 0 pushRt 0 tcpDrop 0
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skOpen 1,000,330 skClose 1,000,363 skCon 230 skErr 0
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httpGet 1,000,345 http2XX 1,000,350 httpErr 0
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ierrors 0 oerrors 0 imissed 0
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```
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## 开始使用
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### 设置大页
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#参考如下参数编辑 '/boot/grub2/grub.cfg'，然后重启OS
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linux16 /vmlinuz-... nopku transparent_hugepage=never default_hugepagesz=1G hugepagesz=1G hugepages=8
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### 编译DPDK
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#编辑'config/common_base'打开PMD开关
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#Mellanox CX4/CX5 requires 'CONFIG_RTE_LIBRTE_MLX5_PMD=y'
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#HNS3 requires 'CONFIG_RTE_LIBRTE_HNS3_PMD=y'
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#VMXNET3 requires 'CONFIG_RTE_LIBRTE_VMXNET3_PMD=y'
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TARGET=x86_64-native-linuxapp-gcc #or arm64-armv8a-linuxapp-gcc
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cd /root/dpdk/dpdk-stable-19.11.10
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make install T=$TARGET -j16
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### 编译dperf
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cd dperf
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make -j8 RTE_SDK=/root/dpdk/dpdk-stable-19.11.10 RTE_TARGET=$TARGET
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### 绑定网卡
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#Mellanox网卡跳过此步
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#假设PCI号是0000:1b:00.0
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modprobe uio
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modprobe uio_pci_generic
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/root/dpdk/dpdk-stable-19.11.10/usertools/dpdk-devbind.py -b uio_pci_generic 0000:1b:00.0
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### 启动dperf server
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#dperf server监听6.6.241.27:80, 网关是6.6.241.1
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./build/dperf -c test/http/server-cps.conf
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### 从客户端发送请求
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#客户端IP必须要在配置文件的'client'范围内
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ping 6.6.241.27
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curl http://6.6.241.27/
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## 运行测试
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下面的例子运行一个HTTP CPS压力测试。
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#在server端运行dperf
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./build/dperf -c test/http/server-cps.conf
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#以另一台机器作为client端，运行dperf
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./build/dperf -c test/http/client-cps.conf
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## 文档
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- [配置手册](https://github.com/baidu/dperf/blob/main/docs/configuration-CN.md)
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- [设计原理](https://github.com/baidu/dperf/blob/main/docs/design-CN.md)
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- [编译指导](https://github.com/baidu/dperf/blob/main/docs/build.md)
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- [统计说明](https://github.com/baidu/dperf/blob/main/docs/statistics-CN.md)
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## 限制
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- dperf 要求HTTP消息在一个数据包中，所以不适合7层负载均衡的测试。
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- dperf 要求独占使用网络接口。
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- dperf 没有路由功能。建议配合三层交换机搭建测试环境。
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## 相关文章
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- [dperf FAQ(zh)](https://zhuanlan.zhihu.com/p/561093951)
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- [How to set up dperf](https://metonymical.hatenablog.com/entry/2022/02/11/234927)
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- [Using dperf to test network bandwidth](https://github.com/baidu/dperf/blob/main/test/performance/bandwidth/README.md)
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- [DPVS v1.9.2 Performance Tests by dperf](https://github.com/iqiyi/dpvs/blob/master/test/release/v1.9.2/performance.md)
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- [Using dperf to test 100Gbps bandwidth(zh)](https://zhuanlan.zhihu.com/p/601137162)
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- [How to install dperf on ubuntu](https://github.com/digger-yu/blog/blob/main/how%20to%20install%20dperf%20on%20ubuntu.md)
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- [Using dperf to test the performance of DPVS(zh)](https://blog.csdn.net/yuubeka/article/details/128945241)
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## 项目相关
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## 最近更新
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