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cpu_topology_test: Add test case to test cpu topology
Signed-off-by: Qianqian Zhu <qizhu@redhat.com>
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- cpu_topology_test: | ||
no smp2 | ||
only Linux | ||
type = cpu_topology_test | ||
start_vm = no | ||
check_sockets_cmd = 'cat /proc/cpuinfo | grep "physical id" | sort | uniq |wc -l ' | ||
check_cores_cmd = 'cat /proc/cpuinfo | grep "cpu cores" |uniq |cut -d ":" -f 2' | ||
check_siblings_cmd = 'cat /proc/cpuinfo |grep siblings |uniq |cut -d ":" -f 2' | ||
ppc64, ppc64le: | ||
check_sockets_cmd = 'lscpu | grep "Socket(s)" | cut -d ":" -f 2' | ||
check_cores_cmd = 'lscpu | grep "Core(s) per socket" | cut -d ":" -f 2' | ||
check_threads_cmd = 'lscpu | grep "Thread(s) per core" | cut -d ":" -f 2' |
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import random | ||
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from virttest import error_context | ||
from virttest import env_process | ||
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@error_context.context_aware | ||
def run(test, params, env): | ||
""" | ||
:param test: QEMU test object. | ||
:param params: Dictionary with test parameters. | ||
:param env: Dictionary with the test environment. | ||
""" | ||
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def check(p_name, exp, check_cmd): | ||
""" | ||
Check the cpu property inside guest | ||
:param p_name: Property name | ||
:param exp: The expect value | ||
:param check_cmd: The param to get check command | ||
""" | ||
res = session.cmd_output(params[check_cmd]).strip() | ||
if int(res) != int(exp): | ||
test.fail('The vcpu %s number inside guest is %s,' | ||
' while it is set to %s' % (p_name, res, exp)) | ||
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params['vcpu_cores'] = vcpu_cores = random.randint(1, 10) | ||
vcpu_threads_list = [1, 2] | ||
if params['machine_type'] == 'pseries': | ||
vcpu_threads_list = [1, 2, 4, 8] | ||
params['vcpu_sockets'] = vcpu_sockets = random.randint(1, 10) | ||
vm_name = params['main_vm'] | ||
for vcpu_threads in vcpu_threads_list: | ||
params['vcpu_threads'] = vcpu_threads | ||
params['smp'] = params['vcpu_maxcpus'] = (vcpu_cores * | ||
vcpu_threads * vcpu_sockets) | ||
params['start_vm'] = 'yes' | ||
env_process.preprocess_vm(test, params, env, vm_name) | ||
vm = env.get_vm(vm_name) | ||
session = vm.wait_for_login() | ||
check('socket', vcpu_sockets, 'check_sockets_cmd') | ||
check('core', vcpu_cores, 'check_cores_cmd') | ||
if params.get('check_siblings_cmd'): | ||
check('sibling', vcpu_threads * vcpu_cores, 'check_siblings_cmd') | ||
if params.get('check_threads_cmd'): | ||
check('thread', vcpu_threads, 'check_threads_cmd') | ||
vm.destroy() |