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ci: Add integration test for mergeable memory

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The test validates that when the mergeable option is enabled, the
resulting PSS for two instances of cloud-hypervisor is lower than two
instances not using the mergeable flag.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
This commit is contained in:
Sebastien Boeuf 2019-11-19 20:34:42 -08:00 • committed by Rob Bradford
parent f979380620
commit bdb7bcdbe3
2 changed files with 134 additions and 0 deletions
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6
scripts/run_integration_tests.sh
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@ -152,6 +152,12 @@ sudo setcap cap_net_admin+ep target/release/vhost_user_net
# We always copy a fresh version of our binary for our L2 guest.
cp target/release/cloud-hypervisor $VFIO_DIR
# Enable KSM with some reasonable parameters so that it won't take too long
# for the memory to be merged between two processes.
sudo bash -c "echo 10000 > /sys/kernel/mm/ksm/pages_to_scan"
sudo bash -c "echo 10 > /sys/kernel/mm/ksm/sleep_millisecs"
sudo bash -c "echo 1 > /sys/kernel/mm/ksm/run"
sudo adduser $USER kvm
newgrp kvm << EOF
export RUST_BACKTRACE=1