def native_check():
"""Check if this is natvie os"""
cmd = "cpuid -r -l 0x01"
res = parser_lib.cmd_excute(cmd)
while True:
line = parser_lib.decode_stdout(res)
if line:
if len(line.split()) <= 2:
continue
reg_value = line.split()[4].split('=')[1]
break
return int(reg_value, 16) & 0x80000000 == 0
def dump_cpuid_reg(cmd, reg):
"""execute the cmd of cpuid, and return the register value by reg
:param cmd: command what can be executed in shell
:param reg: register name
"""
res = parser_lib.cmd_execute(cmd)
if reg == "eax":
idx = 2
if reg == "ebx":
idx = 3
if reg == "edx":
idx = 5
while True:
line = parser_lib.decode_stdout(res)
if not line:
break
if len(line.split()) <= 2:
continue
reg_value = line.split()[idx].split('=')[1]
if reg == "eax":
res_info = int(reg_value, 16) + 1
break
elif reg == "ebx":
res_info = []
if int(reg_value, 16) & RDT_TYPE['L2'] != 0:
res_info.append("L2")
if int(reg_value, 16) & RDT_TYPE['L3'] != 0:
res_info.append("L3")
if int(reg_value, 16) & RDT_TYPE['MBA'] != 0:
res_info.append("MBA")
break
elif reg == "edx":
res_info = int(reg_value, 16) + 1
break
return res_info
def dump_cpuid_reg(cmd, reg):
"""execute the cmd of cpuid, and return the register value by reg
:param cmd: command what can be executed in shell
:param reg: register name
"""
cache_t = ''
res = parser_lib.cmd_execute(cmd)
if reg == "ebx":
idx = 3
if reg == "edx":
idx = 5
while True:
line = parser_lib.decode_stdout(res)
if not line:
break
if len(line.split()) <= 2:
continue
reg_value = line.split()[idx].split('=')[1]
if reg == "ebx":
if int(reg_value, 16) & CACHE_TYPE['L2'] != 0:
cache_t = "L2"
break
elif int(reg_value, 16) & CACHE_TYPE['L3'] != 0:
cache_t = "L3"
break
else:
cache_t = False
break
elif reg == "edx":
cache_t = int(reg_value, 16) + 1
break
return cache_t
def execute(cmd, reg):
"""Execute the cmd"""
cache_t = ''
res = parser_lib.cmd_excute(cmd)
if reg == "ebx":
idx = 3
if reg == "edx":
idx = 5
while True:
line = parser_lib.decode_stdout(res)
if not line:
break
if len(line.split()) <= 2:
continue
reg_value = line.split()[idx].split('=')[1]
if reg == "ebx":
if int(reg_value, 16) & CACHE_TYPE['L2'] != 0:
cache_t = "L2"
break
elif int(reg_value, 16) & CACHE_TYPE['L3'] != 0:
cache_t = "L3"
break
else:
cache_t = False
break
elif reg == "edx":
cache_t = int(reg_value, 16) + 1
break
return cache_t
