kata-containers/cloud-hypervisor
1
0
Fork 0
mirror of https://github.com/cloud-hypervisor/cloud-hypervisor.git synced 2026-08-05 02:19:16 +00:00
Code Issues Packages Projects Releases Wiki Activity

tests: Stabilize block rate limiter workloads

Browse Source 
Add a ramp time before measuring the block rate limiter tests so
both the single device and group workloads are measured after
warm up to make the measurements less sensitive to startup
transients.

Signed-off-by: Anatol Belski <anbelski@linux.microsoft.com>
This commit is contained in:
Anatol Belski
2026-03-30 11:46:49 +02:00
committed by Rob Bradford
parent 36d6dacee2
commit 9db5f0439e
1 changed files with 5 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
cloud-hypervisor/tests/integration.rs
View File

@@ -10477,6 +10477,7 @@ mod rate_limiter {
const NET_RATE_LIMITER_RUNTIME: u32 = 20;
const BLOCK_RATE_LIMITER_RUNTIME: u32 = 20;
const BLOCK_RATE_LIMITER_RAMP_TIME: u32 = 5;
// Check if the 'measured' rate is within the expected 'difference' (in percentage)
// compared to given 'limit' rate.
@@ -10624,7 +10625,8 @@ mod rate_limiter {
let fio_command = format!(
"sudo fio --filename=/dev/vdc --name=test --output-format=json \
--direct=1 --bs=4k --ioengine=io_uring --iodepth=64 \
--rw={fio_ops} --runtime={BLOCK_RATE_LIMITER_RUNTIME} --numjobs={num_queues}"
--rw={fio_ops} --runtime={BLOCK_RATE_LIMITER_RUNTIME} \
--ramp_time={BLOCK_RATE_LIMITER_RAMP_TIME} --numjobs={num_queues}",
);
let output = guest.ssh_command(&fio_command).unwrap();
@@ -10721,7 +10723,8 @@ mod rate_limiter {
let mut fio_command = format!(
"sudo fio --name=global --output-format=json \
--direct=1 --bs=4k --ioengine=io_uring --iodepth=64 \
--rw={fio_ops} --runtime={BLOCK_RATE_LIMITER_RUNTIME} --numjobs={num_queues}"
--rw={fio_ops} --runtime={BLOCK_RATE_LIMITER_RUNTIME} \
--ramp_time={BLOCK_RATE_LIMITER_RAMP_TIME} --numjobs={num_queues}",
);
// Generate additional argument for each disk: