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use hdrhistogram; | |
use std::collections::HashMap; | |
use std::sync::atomic::{AtomicBool, Ordering::Relaxed}; | |
use std::thread::sleep; | |
use std::time::{Duration, Instant}; | |
use tokio::io::{AsyncReadExt, AsyncWriteExt}; | |
use tokio::net::TcpStream; | |
use tokio::runtime::Builder; | |
const CONN_NUM: usize = 64; | |
const LOOPCNT: [u64; CONN_NUM] = [ | |
10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 1000000000, 1000000000, 10000, 10000, | |
10000, 10000, 10000, 10000, 10000, 10000, 1000000000, 1000000000, 10000, 10000, 10000, 10000, | |
10000, 10000, 10000, 10000, 1000000000, 1000000000, 10000, 10000, 10000, 10000, 10000, 10000, | |
10000, 10000, 1000000000, 1000000000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, | |
1000000000, 1000000000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 10000, 1000000000, | |
1000000000, 10000, 10000, 10000, 10000, | |
]; | |
const RUNTIME: u64 = 30; // seconds | |
const WORKLOAD_SERVER: &str = "172.30.173.30:33733"; | |
static TERM: AtomicBool = AtomicBool::new(false); | |
type Histogram = hdrhistogram::Histogram<u64>; | |
async fn conn_main(idx: usize) -> Histogram { | |
let mut timehdr = Histogram::new_with_bounds(1, 128000000000 /* 128 seconds */, 5).unwrap(); | |
let mut conn = TcpStream::connect(WORKLOAD_SERVER).await.unwrap(); | |
let mesg = LOOPCNT[idx]; | |
while !TERM.load(Relaxed) { | |
let now = Instant::now(); | |
conn.write_u64_le(mesg).await.unwrap(); | |
conn.read_u64_le().await.unwrap(); | |
let d = now.elapsed().as_nanos() as u64; | |
timehdr.record(d).unwrap(); | |
} | |
return timehdr; | |
} | |
fn main() { | |
let rt = Builder::new_multi_thread() | |
.worker_threads(1) | |
.enable_all() | |
.build() | |
.unwrap(); | |
let mut timehdrfut = Vec::with_capacity(CONN_NUM); | |
for idx in 0..CONN_NUM { | |
timehdrfut.push(rt.spawn(conn_main(idx))); | |
} | |
sleep(Duration::from_secs(RUNTIME)); | |
TERM.store(true, Relaxed); | |
let mut timehdrs = Vec::with_capacity(CONN_NUM); | |
for hdrfut in timehdrfut { | |
timehdrs.push(rt.block_on(hdrfut).unwrap()); | |
} | |
let mut timehdr_groupby: HashMap<u64, Histogram> = HashMap::new(); | |
for (idx, timehdr) in timehdrs.into_iter().enumerate() { | |
if let Some(total_timehdr) = timehdr_groupby.get_mut(&LOOPCNT[idx]) { | |
total_timehdr.add(timehdr).unwrap(); | |
} else { | |
timehdr_groupby.insert(LOOPCNT[idx], timehdr); | |
} | |
} | |
for (cnt, hdr) in timehdr_groupby { | |
println!( | |
"{},{},{},{},{},{},{},{}", | |
cnt, | |
hdr.min(), | |
hdr.max(), | |
hdr.value_at_quantile(0.9), | |
hdr.value_at_quantile(0.95), | |
hdr.value_at_quantile(0.99), | |
hdr.value_at_quantile(0.999), | |
hdr.value_at_quantile(0.9999), | |
) | |
} | |
return; | |
} |