OpenHarmony移植带宽测试工具iperf教程
本教程适用于有OpenHarmonySDK且编译工具链是clang，仅需修改一下所需架构既可，arm64 arm均可以使用由于iperf3需要一些gcc的库，但是我手上的clang没有对应移植的库，所以无法编译成功，有兴趣的小伙伴可以尝试用下面脚本试一下看看
下载windows linux 源码
windows端：https://jaist.dl.sourceforge.net/project/iperf2/iperf-2.2.1-win64.exe?viasf=1
Linux端：https://jaist.dl.sourceforge.net/project/iperf2/iperf-2.0.9.tar.gz?viasf=1
https://i-blog.csdnimg.cn/devpress/blog/318c76ef87f64bfe9423d436013c6e52.png
Linux端解压
tar -xvf iperf-2.0.9.tar.gz
进入iperf-2.0.9 文件夹
cd iperf-2.0.9
创建build.sh
touch build.sh
复制粘贴以下代码，源文件放在本文件根目录下
#!/bin/bash
set -e
if [ "$1" == "clean" ] || [ "$1" == "distclean" ];then
make $1
exit 0
fi
export OHOS_NATIVE_HOME=/prj_oh/prebuilts/ohos-sdk/linux/12/native
export PATH=$OHOS_NATIVE_HOME/llvm/bin:$PATH
export AR=$OHOS_NATIVE_HOME/llvm/bin/llvm-ar
export AS=$OHOS_NATIVE_HOME/llvm/bin/llvm-as
export LD=$OHOS_NATIVE_HOME/llvm/bin/ld.lld
export RANLIB=$OHOS_NATIVE_HOME/llvm/bin/llvm-ranlib
export STRIP=$OHOS_NATIVE_HOME/llvm/bin/llvm-strip
export CC="$OHOS_NATIVE_HOME/llvm/bin/clang"
export CXX="$OHOS_NATIVE_HOME/llvm/bin/clang++"
export NM="$OHOS_NATIVE_HOME/llvm/bin/llvm-nm"
export OBJDUMP="$OHOS_NATIVE_HOME/llvm/bin/llvm-objdump"
export CFLAGS="--target=loongarch64-linux-ohos --sysroot=$OHOS_NATIVE_HOME/sysroot -funwind-tables -fstack-protector -fno-strict-aliasing -D__MUSL__"
export CPPFLAGS="--target=loongarch64-linux-ohos --sysroot=$OHOS_NATIVE_HOME/sysroot -funwind-tables -fstack-protector -fno-strict-aliasing -D__MUSL__"
export LDFLAGS="--target=loongarch64-linux-ohos -static-libstdc++ --rtlib=compiler-rt -fuse-ld=lld"
./configure --prefix=${PWD}/_install \
--target=loongarch64-linux-ohos \
--host=x86_64-pc-linux-gnu \
make && make install主要是通过find / -name llvm 找到SDK中适用于linux交叉编译的编译工具路径
https://i-blog.csdnimg.cn/devpress/blog/a42c9a5556be4db8af7674773c0b05a0.png
保存退出后
sudo ./build.sh
在/iperf-2.0.9/_install/bin 路径下会存放iperf可执行文件如下图所示
https://i-blog.csdnimg.cn/devpress/blog/58fc6c0979c54cd18f10e2be5b8052ae.png
通过hdc 将iperf发送到板卡上 运行 iperf相关命令即可
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