mirror of
https://github.com/cloud-hypervisor/cloud-hypervisor.git
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266 lines
8.0 KiB
Rust
266 lines
8.0 KiB
Rust
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// Custom harness to run performance tests
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#[macro_use]
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extern crate lazy_static;
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extern crate test_infra;
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mod performance_tests;
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use performance_tests::*;
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use std::collections::HashSet;
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use std::hash::{Hash, Hasher};
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pub struct PerformanceTestControl {
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test_time: u32,
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test_iterations: u32,
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queue_num: Option<u32>,
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queue_size: Option<u32>,
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net_rx: Option<bool>,
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fio_ops: Option<FioOps>,
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}
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impl Default for PerformanceTestControl {
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fn default() -> Self {
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Self {
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test_time: 10,
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test_iterations: 30,
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queue_num: Default::default(),
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queue_size: Default::default(),
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net_rx: Default::default(),
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fio_ops: Default::default(),
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}
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}
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}
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/// A performance test should finish within the a certain time-out and
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/// return a performance metrics number (including the average number and
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/// standard deviation)
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struct PerformanceTest {
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pub name: &'static str,
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pub func_ptr: fn(&PerformanceTestControl) -> f64,
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pub control: PerformanceTestControl,
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}
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impl Hash for PerformanceTest {
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fn hash<H: Hasher>(&self, state: &mut H) {
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self.name.hash(state);
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}
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}
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impl PartialEq for PerformanceTest {
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fn eq(&self, other: &Self) -> bool {
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self.name == other.name
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}
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}
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impl Eq for PerformanceTest {}
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impl PerformanceTest {
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pub fn run(&self) -> (f64, f64) {
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println!("Running test: '{}' ...", self.name);
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let mut metrics = Vec::new();
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for _ in 0..self.control.test_iterations {
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metrics.push((self.func_ptr)(&self.control));
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}
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let mean = mean(&metrics).unwrap();
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let std_dev = std_deviation(&metrics).unwrap();
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println!(
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"{} ... ok: mean = {}, std_dev = {}",
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self.name, mean, std_dev
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);
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(mean, std_dev)
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}
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}
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fn mean(data: &[f64]) -> Option<f64> {
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let count = data.len();
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if count > 0 {
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Some(data.iter().sum::<f64>() / count as f64)
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} else {
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None
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}
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}
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fn std_deviation(data: &[f64]) -> Option<f64> {
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let count = data.len();
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if count > 0 {
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let mean = mean(data).unwrap();
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let variance = data
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.iter()
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.map(|value| {
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let diff = mean - *value;
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diff * diff
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})
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.sum::<f64>()
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/ count as f64;
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Some(variance.sqrt())
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} else {
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None
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}
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}
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lazy_static! {
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static ref TEST_LIST: HashSet<PerformanceTest> = {
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let mut m = HashSet::new();
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m.insert(PerformanceTest {
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name: "performance_boot_time",
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func_ptr: performance_boot_time,
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control: PerformanceTestControl {
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test_time: 2,
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test_iterations: 10,
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..Default::default()
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}
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});
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m.insert(PerformanceTest {
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name: "performance_boot_time_pmem",
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func_ptr: performance_boot_time_pmem,
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control: PerformanceTestControl {
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test_time: 2,
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test_iterations: 10,
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..Default::default()
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}
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});
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m.insert(PerformanceTest {
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name: "performance_virtio_net_latency",
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func_ptr: performance_net_latency,
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control: Default::default(),
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});
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m.insert(PerformanceTest {
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name: "performance_virtio_net_throughput_single_queue_rx",
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func_ptr: performance_net_throughput,
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control: PerformanceTestControl {
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queue_num: Some(1), // used as 'queue_pairs'
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queue_size: Some(256),
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net_rx: Some(true),
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..Default::default()
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}
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});
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m.insert(PerformanceTest {
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name: "performance_virtio_net_throughput_single_queue_tx",
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func_ptr: performance_net_throughput,
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control: PerformanceTestControl {
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queue_num: Some(1), // used as 'queue_pairs'
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queue_size: Some(256),
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net_rx: Some(false),
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..Default::default()
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}
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});
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m.insert(PerformanceTest {
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name: "performance_virtio_net_throughput_multi_queue_rx",
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func_ptr: performance_net_throughput,
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control: PerformanceTestControl {
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queue_num: Some(2), // used as 'queue_pairs'
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queue_size: Some(1024),
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net_rx: Some(true),
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..Default::default()
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}
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});
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m.insert(PerformanceTest {
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name: "performance_virtio_net_throughput_multi_queue_tx",
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func_ptr: performance_net_throughput,
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control: PerformanceTestControl {
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queue_num: Some(2), // used as 'queue_pairs'
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queue_size: Some(1024),
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net_rx: Some(false),
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..Default::default()
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}
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});
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m.insert(PerformanceTest {
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name: "performance_block_io_read",
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func_ptr: performance_block_io,
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control: PerformanceTestControl {
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queue_num: Some(1),
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queue_size: Some(1024),
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fio_ops: Some(FioOps::Read),
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..Default::default()
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}
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});
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m.insert(PerformanceTest {
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name: "performance_block_io_write",
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func_ptr: performance_block_io,
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control: PerformanceTestControl {
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queue_num: Some(1),
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queue_size: Some(1024),
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fio_ops: Some(FioOps::Write),
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..Default::default()
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}
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});
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m.insert(PerformanceTest {
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name: "performance_block_io_random_read",
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func_ptr: performance_block_io,
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control: PerformanceTestControl {
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queue_num: Some(1),
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queue_size: Some(1024),
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fio_ops: Some(FioOps::RandomRead),
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..Default::default()
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}
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});
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m.insert(PerformanceTest {
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name: "performance_block_io_random_write",
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func_ptr: performance_block_io,
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control: PerformanceTestControl {
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queue_num: Some(1),
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queue_size: Some(1024),
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fio_ops: Some(FioOps::RandomWrite),
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..Default::default()
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}
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});
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m.insert(PerformanceTest {
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name: "performance_block_io_multi_queue_read",
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func_ptr: performance_block_io,
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control: PerformanceTestControl {
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queue_num: Some(2),
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queue_size: Some(1024),
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fio_ops: Some(FioOps::Read),
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..Default::default()
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}
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});
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m.insert(PerformanceTest {
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name: "performance_block_io_multi_queue_write",
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func_ptr: performance_block_io,
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control: PerformanceTestControl {
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queue_num: Some(2),
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queue_size: Some(1024),
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fio_ops: Some(FioOps::Write),
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..Default::default()
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}
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});
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m.insert(PerformanceTest {
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name: "performance_block_io_multi_queue_random_read",
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func_ptr: performance_block_io,
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control: PerformanceTestControl {
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queue_num: Some(2),
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queue_size: Some(1024),
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fio_ops: Some(FioOps::RandomRead),
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..Default::default()
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}
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});
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m.insert(PerformanceTest {
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name: "performance_block_io_multi_queue_random_write",
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func_ptr: performance_block_io,
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control: PerformanceTestControl {
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queue_num: Some(2),
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queue_size: Some(1024),
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fio_ops: Some(FioOps::RandomWrite),
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..Default::default()
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}
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});
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m
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};
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}
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fn main() {
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// Run performance tests sequentially and report results (in both readable/json format)
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// Todo: test filter, report in readable/json format, capture test output unless failed;
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for test in TEST_LIST.iter() {
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test.run();
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}
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}
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