fortio
fortio — HTTP/gRPC load testing CLI. Run load tests with configurable QPS, concurrency, duration. JSON and detailed latency output.
Install
curl -LO https://github.com/fortio/fortio/releases/download/v1.68.0/fortio-linux_amd64-1.68.0.tgz && tar xzf fortio-linux_amd64-1.68.0.tgz && sudo mv fortio /usr/local/bin/ && rm -rf fortio-linux_amd64-1.68.0.tgz