def is_sstbf_enabled():
"""
Returns SST-BF enabled status
"""
sys = power_common.get_pwr_sys()
if not sys:
return None
return sys.sst_bf_enabled
def is_sstcp_enabled():
"""
Returns EPP enabled status
"""
pwr_sys = power_common.get_pwr_sys()
if not pwr_sys:
return False
return pwr_sys.sst_bf_enabled and pwr_sys.epp_enabled
def is_sstbf_configured():
"""
Returns SST-BF configured status
"""
sys = power_common.get_pwr_sys()
if not sys:
return None
sys.refresh_stats()
return sys.sst_bf_configured
def configure_sstbf(configure):
"""
Configures or unconfigures SST-BF
"""
sys = power_common.get_pwr_sys()
if not sys:
return -1
if configure:
new_core_cfg = PWR_CFG_SST_BF
else:
new_core_cfg = PWR_CFG_BASE
sys.commit(new_core_cfg)
log.sys("Intel SST-BF {}configured.".format("" if configure else "un"))
return 0
def _admission_control_check(data):
"""
Validate Power Profiles configuration,
admission control check done on PWR lib side
Parameters
data: configuration (dict)
"""
profiles = {}
for profile in data['power_profiles']:
profiles[profile['id']] = deepcopy(profile)
profiles[profile['id']]['cores'] = []
for pool in data['pools']:
if 'power_profile' not in pool:
continue
profiles[pool['power_profile']]['cores'].extend(pool['cores'])
cores = power_common.get_pwr_cores()
for core in cores:
for profile in profiles.values():
if core.core_id in profile['cores']:
core.min_freq = profile['min_freq']
core.max_freq = profile['max_freq']
core.epp = profile['epp']
break
pwr_sys = power_common.get_pwr_sys()
result = pwr_sys.request_config()
pwr_sys.refresh_all()
if not result:
raise AdmissionControlError\
("Power Profiles configuration would cause CPU to be oversubscribed.")