“查看CPU和物理内存”的版本间的差异

来自姬鸿昌的知识库
跳到导航 跳到搜索
（建立内容为“查看CPU<syntaxhighlight lang="shell-session"> pi@raspberrypi:~ $ cat /proc/cpuinfo </syntaxhighlight>”的新页面）
 
 
（未显示同一用户的3个中间版本）
第1行： 第1行：
−
查看CPU<syntaxhighlight lang="shell-session">
+
=== 查看CPU ===
−
pi@raspberrypi:~ $ cat /proc/cpuinfo
+
<syntaxhighlight lang="shell-session">
 +
[root@iZ8vbcjkeqbrdmmbt23vboZ ~]# cat /proc/cpuinfo
 +
processor : 0
 +
vendor_id : GenuineIntel
 +
cpu family : 6
 +
model : 79
 +
model name : Intel(R) Xeon(R) CPU E5-2682 v4 @ 2.50GHz
 +
stepping : 1
 +
microcode : 0x1
 +
cpu MHz : 2494.224
 +
cache size : 40960 KB
 +
physical id : 0
 +
siblings : 1
 +
core id : 0
 +
cpu cores : 1
 +
apicid : 0
 +
initial apicid : 0
 +
fpu : yes
 +
fpu_exception : yes
 +
cpuid level : 20
 +
wp : yes
 +
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ss ht syscall nx pdpe1gb rdtscp lm constant_tsc rep_good nopl nonstop_tsc eagerfpu pni pclmulqdq ssse3 fma cx16 pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm abm 3dnowprefetch invpcid_single ibrs ibpb stibp fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm rdseed adx smap xsaveopt arat spec_ctrl intel_stibp
 +
bogomips : 4988.44
 +
clflush size : 64
 +
cache_alignment : 64
 +
address sizes : 46 bits physical, 48 bits virtual
 +
power management:
 +
 
 +
</syntaxhighlight>
 +
 
 +
 
 +
 
 +
=== 查看物理内存 ===
 +
<syntaxhighlight lang="shell-session">
 +
[root@iZ8vbcjkeqbrdmmbt23vboZ ~]# dmidecode --type 17
 +
# dmidecode 3.2
 +
Getting SMBIOS data from sysfs.
 +
SMBIOS 2.8 present.
 +
 
 +
Handle 0x1100, DMI type 17, 40 bytes
 +
Memory Device
 +
Array Handle: 0x1000
 +
Error Information Handle: Not Provided
 +
Total Width: Unknown
 +
Data Width: Unknown
 +
Size: 2048 MB
 +
Form Factor: DIMM
 +
Set: None
 +
Locator: DIMM 0
 +
Bank Locator: Not Specified
 +
Type: RAM
 +
Type Detail: Other
 +
Speed: Unknown
 +
Manufacturer: Alibaba Cloud
 +
Serial Number: Not Specified
 +
Asset Tag: Not Specified
 +
Part Number: Not Specified
 +
Rank: Unknown
 +
Configured Memory Speed: Unknown
 +
Minimum Voltage: Unknown
 +
Maximum Voltage: Unknown
 +
Configured Voltage: Unknown
 +
 
 +
</syntaxhighlight>
 +
 
 +
 
 +
树莓派上用不了<syntaxhighlight lang="shell-session">
 +
pi@raspberrypi:~ $ sudo dmidecode --type 17
 +
# dmidecode 3.2
 +
Scanning /dev/mem for entry point.
 +
# No SMBIOS nor DMI entry point found, sorry.
 
</syntaxhighlight>
 
</syntaxhighlight>

2022年8月13日 (六) 00:16的最新版本

查看CPU

[root@iZ8vbcjkeqbrdmmbt23vboZ ~]# cat /proc/cpuinfo
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 79
model name	: Intel(R) Xeon(R) CPU E5-2682 v4 @ 2.50GHz
stepping	: 1
microcode	: 0x1
cpu MHz		: 2494.224
cache size	: 40960 KB
physical id	: 0
siblings	: 1
core id		: 0
cpu cores	: 1
apicid		: 0
initial apicid	: 0
fpu		: yes
fpu_exception	: yes
cpuid level	: 20
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ss ht syscall nx pdpe1gb rdtscp lm constant_tsc rep_good nopl nonstop_tsc eagerfpu pni pclmulqdq ssse3 fma cx16 pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm abm 3dnowprefetch invpcid_single ibrs ibpb stibp fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm rdseed adx smap xsaveopt arat spec_ctrl intel_stibp
bogomips	: 4988.44
clflush size	: 64
cache_alignment	: 64
address sizes	: 46 bits physical, 48 bits virtual
power management:


查看物理内存

[root@iZ8vbcjkeqbrdmmbt23vboZ ~]# dmidecode --type 17
# dmidecode 3.2
Getting SMBIOS data from sysfs.
SMBIOS 2.8 present.

Handle 0x1100, DMI type 17, 40 bytes
Memory Device
	Array Handle: 0x1000
	Error Information Handle: Not Provided
	Total Width: Unknown
	Data Width: Unknown
	Size: 2048 MB
	Form Factor: DIMM
	Set: None
	Locator: DIMM 0
	Bank Locator: Not Specified
	Type: RAM
	Type Detail: Other
	Speed: Unknown
	Manufacturer: Alibaba Cloud
	Serial Number: Not Specified
	Asset Tag: Not Specified
	Part Number: Not Specified
	Rank: Unknown
	Configured Memory Speed: Unknown
	Minimum Voltage: Unknown
	Maximum Voltage: Unknown
	Configured Voltage: Unknown


树莓派上用不了

pi@raspberrypi:~ $ sudo dmidecode --type 17
# dmidecode 3.2
Scanning /dev/mem for entry point.
# No SMBIOS nor DMI entry point found, sorry.
取自“https://www.jihongchang.top/index.php?title=查看CPU和物理内存&oldid=416”