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tests: Add integration tests for CPU topology

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Add multiple integration tests with various different CPU topologies and
check that they work as expected.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
This commit is contained in:
Rob Bradford 2020-06-16 15:39:47 +01:00 committed by Sebastien Boeuf
parent a74c6fc14f
commit 798f3f01a9
1 changed files with 81 additions and 0 deletions
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81
tests/integration.rs
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@ -1009,6 +1009,87 @@ mod tests {
});
}
#[cfg_attr(not(feature = "mmio"), test)]
fn test_cpu_topology_421() {
test_cpu_topology(4, 2, 1);
}
#[cfg_attr(not(feature = "mmio"), test)]
fn test_cpu_topology_142() {
test_cpu_topology(1, 4, 2);
}
#[cfg_attr(not(feature = "mmio"), test)]
fn test_cpu_topology_262() {
test_cpu_topology(2, 6, 2);
}
fn test_cpu_topology(threads_per_core: u8, cores_per_package: u8, packages: u8) {
test_block!(tb, "", {
let mut clear = ClearDiskConfig::new();
let guest = Guest::new(&mut clear);
let total_vcpus = threads_per_core * cores_per_package * packages;
let mut child = GuestCommand::new(&guest)
.args(&[
"--cpus",
&format!(
"boot={},topology={}:{}:1:{}",
total_vcpus, threads_per_core, cores_per_package, packages
),
])
.args(&["--memory", "size=512M"])
.args(&["--kernel", guest.fw_path.as_str()])
.default_disks()
.default_net()
.spawn()
.unwrap();
thread::sleep(std::time::Duration::new(20, 0));
aver_eq!(
tb,
guest.get_cpu_count().unwrap_or_default(),
u32::from(total_vcpus)
);
aver_eq!(
tb,
guest
.ssh_command("lscpu | grep \"per core\" | cut -f 2 -d \":\" | sed \"s# *##\"")
.unwrap_or_default()
.trim()
.parse::<u8>()
.unwrap_or(0),
threads_per_core
);
aver_eq!(
tb,
guest
.ssh_command("lscpu | grep \"per socket\" | cut -f 2 -d \":\" | sed \"s# *##\"")
.unwrap_or_default()
.trim()
.parse::<u8>()
.unwrap_or(0),
cores_per_package
);
aver_eq!(
tb,
guest
.ssh_command("lscpu | grep \"Socket\" | cut -f 2 -d \":\" | sed \"s# *##\"")
.unwrap_or_default()
.trim()
.parse::<u8>()
.unwrap_or(0),
packages
);
let _ = child.kill();
let _ = child.wait();
Ok(())
});
}
#[cfg_attr(not(feature = "mmio"), test)]
fn test_large_vm() {
test_block!(tb, "", {