def get_node_memtune_parameter(test, params):
"""
Get the node memory parameters
:params: the parameter dictionary
"""
options = params.get("options")
result = virsh.node_memtune(options)
status = result.exit_status
_params = {}
for i in result.stdout.strip().split('\n\t')[1:]:
_params[i.split(' ')[0]] = i.split(' ')[-1]
logging.debug(_params)
(ksm_dicts, change_list) = get_ksm_values_and_change_list()
ksm_dicts['change_list'] = change_list
# Check status_error
status_error = params.get("status_error", "no")
if status_error == "yes":
if status:
logging.info("It's an expected error: %s", result.stderr)
else:
test.fail("%d not a expected command " "return value" % status)
elif status_error == "no":
if status:
test.fail(result.stderr)
else:
if check_node_memtune(_params, ksm_dicts):
logging.info(result)
else:
test.fail("The memory parameters " "mismatch with result")
def set_node_memtune_parameter(params):
"""
Set the node memory parameters
:params: the parameter dictionary
"""
options = params.get("options")
shm_pages_to_scan = params.get("shm_pages_to_scan")
shm_sleep_millisecs = params.get("shm_sleep_millisecs")
shm_merge_across_nodes = params.get("shm_merge_across_nodes")
result = virsh.node_memtune(shm_pages_to_scan,
shm_sleep_millisecs,
shm_merge_across_nodes,
options=options)
status = result.exit_status
(ksm_dicts, change_list) = get_ksm_values_and_change_list()
ksm_dicts['change_list'] = change_list
# Check status_error
status_error = params.get("status_error", "no")
# the 'merge_across_nodes' is supported by specific kernel
if shm_merge_across_nodes and not \
os.access("%s/merge_across_nodes" % _SYSFS_MEMORY_KSM_PATH, os.R_OK):
status_error = "yes"
if status_error == "yes":
if status:
logging.info("It's an expected error: %s", result.stderr)
else:
raise error.TestFail("%d not a expected command "
"return value" % status)
elif status_error == "no":
if status:
raise error.TestFail(result.stderr)
else:
if check_node_memtune(params, ksm_dicts):
logging.info(result)
else:
raise error.TestFail("The memory parameters "
"mismatch with result")
def set_node_memtune_parameter(params):
"""
Set the node memory parameters
:params: the parameter dictionary
"""
options = params.get("options")
shm_pages_to_scan = params.get("shm_pages_to_scan")
shm_sleep_millisecs = params.get("shm_sleep_millisecs")
shm_merge_across_nodes = params.get("shm_merge_across_nodes")
result = virsh.node_memtune(shm_pages_to_scan, shm_sleep_millisecs,
shm_merge_across_nodes, options=options)
status = result.exit_status
(ksm_dicts, change_list) = get_ksm_values_and_change_list()
ksm_dicts['change_list'] = change_list
# Check status_error
status_error = params.get("status_error", "no")
# the 'merge_across_nodes' is supported by specific kernel
if shm_merge_across_nodes and not \
os.access("%s/merge_across_nodes" % _SYSFS_MEMORY_KSM_PATH, os.R_OK):
status_error = "yes"
if status_error == "yes":
if status:
logging.info("It's an expected error: %s", result.stderr)
else:
raise error.TestFail("%d not a expected command "
"return value" % status)
elif status_error == "no":
if status:
raise error.TestFail(result.stderr)
else:
if check_node_memtune(params, ksm_dicts):
logging.info(result)
else:
raise error.TestFail("The memory parameters "
"mismatch with result")
def get_node_memtune_parameter(params):
"""
Get the node memory parameters
:params: the parameter dictionary
"""
options = params.get("options")
result = virsh.node_memtune(options)
status = result.exit_status
_params = {}
for i in result.stdout.strip().split('\n\t')[1:]:
_params[i.split(' ')[0]] = i.split(' ')[-1]
logging.debug(_params)
(ksm_dicts, change_list) = get_ksm_values_and_change_list()
ksm_dicts['change_list'] = change_list
# Check status_error
status_error = params.get("status_error", "no")
if status_error == "yes":
if status:
logging.info("It's an expected error: %s", result.stderr)
else:
raise error.TestFail("%d not a expected command "
"return value" % status)
elif status_error == "no":
if status:
raise error.TestFail(result.stderr)
else:
if check_node_memtune(_params, ksm_dicts):
logging.info(result)
else:
raise error.TestFail("The memory parameters "
"mismatch with result")
