main.rs

extern crate ocl;
extern crate raw_cpuid;
extern crate serde;
extern crate serde_json;

include!(concat!(env!("OUT_DIR"), "/serde_types.rs"));

fn main() {
    let cpu_vendor_name = format!("{}", raw_cpuid::CpuId::new().get_vendor_info().unwrap());
    let plats = ocl::Platform::list();
    let plat_names = plats.iter()
                          .map(ocl::Platform::name)
                          .collect();
    let dev_names = plats.iter()
                    .flat_map(ocl::Device::list_all)
                    .map(|d| d.name())
                    .collect();
    let sys = System {
        cpu_vend: cpu_vendor_name,
        ocl_plats: plat_names,
        ocl_devs: dev_names,
    };

    println!("{}", serde_json::to_string(&sys).unwrap());
}

serde_types.in.rs

#[derive(Serialize, Deserialize, Debug)]
struct System {
    cpu_vend: String,
    ocl_plats: Vec<String>,
    ocl_devs: Vec<String>,
}