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performance-metrics: Be consistent with num_queues

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Don't treat it as the number of pairs. Instead calculate the number of
pairs later when necessary.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
This commit is contained in:
Rob Bradford
2022-02-25 10:46:10 +00:00
parent 70a3564a5e
commit 18d51d3bd1
2 changed files with 8 additions and 11 deletions
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11
performance-metrics/src/performance_tests.rs
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@@ -215,7 +215,7 @@ fn measure_virtio_net_throughput(
pub fn performance_net_throughput(control: &PerformanceTestControl) -> f64 {
let test_time = control.test_timeout;
let queue_pairs = control.num_queues.unwrap();
let num_queues = control.num_queues.unwrap();
let queue_size = control.queue_size.unwrap();
let rx = control.net_rx.unwrap();
@@ -224,14 +224,11 @@ pub fn performance_net_throughput(control: &PerformanceTestControl) -> f64 {
let net_params = format!(
"tap=,mac={},ip={},mask=255.255.255.0,num_queues={},queue_size={}",
guest.network.guest_mac,
guest.network.host_ip,
queue_pairs * 2,
queue_size,
guest.network.guest_mac, guest.network.host_ip, num_queues, queue_size,
);
let mut child = GuestCommand::new(&guest)
.args(&["--cpus", &format!("boot={}", queue_pairs * 2)])
.args(&["--cpus", &format!("boot={}", num_queues)])
.args(&["--memory", "size=4G"])
.args(&["--kernel", direct_kernel_boot_path().to_str().unwrap()])
.args(&["--cmdline", DIRECT_KERNEL_BOOT_CMDLINE])
@@ -244,7 +241,7 @@ pub fn performance_net_throughput(control: &PerformanceTestControl) -> f64 {
let r = std::panic::catch_unwind(|| {
guest.wait_vm_boot(None).unwrap();
measure_virtio_net_throughput(test_time, queue_pairs, &guest, rx).unwrap()
measure_virtio_net_throughput(test_time, num_queues / 2, &guest, rx).unwrap()
});
let _ = child.kill();