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performance-metrics: Specify queue details for latency test

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The latency is the most sensitive to queue size changes.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
This commit is contained in:
Rob Bradford 2022-02-25 10:49:45 +00:00
parent 18d51d3bd1
commit f254f11b48
2 changed files with 16 additions and 4 deletions
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6
performance-metrics/src/main.rs
View File

@ -222,7 +222,11 @@ const TEST_LIST: [PerformanceTest; 15] = [
PerformanceTest {
name: "performance_virtio_net_latency_ns",
func_ptr: performance_net_latency,
control: PerformanceTestControl::default(),
control: PerformanceTestControl {
num_queues: Some(2),
queue_size: Some(256),
..PerformanceTestControl::default()
},
},
PerformanceTest {
name: "performance_virtio_net_throughput_bps_single_queue_rx_bps",

14
performance-metrics/src/performance_tests.rs
View File

@ -215,13 +215,13 @@ fn measure_virtio_net_throughput(
pub fn performance_net_throughput(control: &PerformanceTestControl) -> f64 {
let test_time = control.test_timeout;
let num_queues = control.num_queues.unwrap();
let queue_size = control.queue_size.unwrap();
let rx = control.net_rx.unwrap();
let focal = UbuntuDiskConfig::new(FOCAL_IMAGE_NAME.to_string());
let guest = performance_test_new_guest(Box::new(focal));
let num_queues = control.num_queues.unwrap();
let queue_size = control.queue_size.unwrap();
let net_params = format!(
"tap=,mac={},ip={},mask=255.255.255.0,num_queues={},queue_size={}",
guest.network.guest_mac, guest.network.host_ip, num_queues, queue_size,
@ -347,13 +347,21 @@ fn measure_virtio_net_latency(guest: &Guest, test_time: u32) -> Result<Vec<f64>,
pub fn performance_net_latency(control: &PerformanceTestControl) -> f64 {
let focal = UbuntuDiskConfig::new(FOCAL_IMAGE_NAME.to_string());
let guest = performance_test_new_guest(Box::new(focal));
let num_queues = control.num_queues.unwrap();
let queue_size = control.queue_size.unwrap();
let net_params = format!(
"tap=,mac={},ip={},mask=255.255.255.0,num_queues={},queue_size={}",
guest.network.guest_mac, guest.network.host_ip, num_queues, queue_size,
);
let mut child = GuestCommand::new(&guest)
.args(&["--cpus", "boot=2"])
.args(&["--memory", "size=4G"])
.args(&["--kernel", direct_kernel_boot_path().to_str().unwrap()])
.args(&["--cmdline", DIRECT_KERNEL_BOOT_CMDLINE])
.default_disks()
.default_net()
.args(&["--net", net_params.as_str()])
.capture_output()
.set_print_cmd(false)
.spawn()