ECS信息
- 规格:2vCPUs | 4GiB | kc1.large.2
- 镜像:openEuler 20.03 64bit with ARM | 公共镜像
linux 查看CPU 内存 硬盘的信息
查看CPU的信息
# cat /proc/cpuinfo
processor : 0
BogoMIPS : 200.00
Features : fp asimd evtstrm aes pmull sha1 sha2 crc32 atomics fphp asimdhp cpuid asimdrdm jscvt fcma dcpop asimddp asimdfhm
CPU implementer : 0x48
CPU architecture: 8
CPU variant : 0x1
CPU part : 0xd01
CPU revision : 0
processor : 1
BogoMIPS : 200.00
Features : fp asimd evtstrm aes pmull sha1 sha2 crc32 atomics fphp asimdhp cpuid asimdrdm jscvt fcma dcpop asimddp asimdfhm
CPU implementer : 0x48
CPU architecture: 8
CPU variant : 0x1
CPU part : 0xd01
CPU revision : 0
# lscpu -e
CPU NODE SOCKET CORE L1d:L1i:L2:L3 ONLINE MAXMHZ MINMHZ
0 0 0 0 0:0:0:0 yes 2400.0000 2400.0000
1 0 0 1 1:1:1:0 yes 2400.0000 2400.0000
# dmidecode -t processor
# dmidecode 3.2
Getting SMBIOS data from sysfs.
SMBIOS 3.0.0 present.
Handle 0x0400, DMI type 4, 48 bytes
Processor Information
Socket Designation: CPU 0
Type: Central Processor
Family: Other
Manufacturer: QEMU
ID: 00 00 00 00 00 00 00 00
Version: 1.0
Voltage: Unknown
External Clock: Unknown
Max Speed: 2000 MHz
Current Speed: 2000 MHz
Status: Populated, Enabled
Upgrade: Other
L1 Cache Handle: Not Provided
L2 Cache Handle: Not Provided
L3 Cache Handle: Not Provided
Serial Number: Not Specified
Asset Tag: Not Specified
Part Number: Not Specified
Core Count: 2
Core Enabled: 2
Thread Count: 1
Characteristics: None
# dmidecode -t 4
# dmidecode 3.2
Getting SMBIOS data from sysfs.
SMBIOS 3.0.0 present.
Handle 0x0400, DMI type 4, 48 bytes
Processor Information
Socket Designation: CPU 0
Type: Central Processor
Family: Other
Manufacturer: QEMU
ID: 00 00 00 00 00 00 00 00
Version: 1.0
Voltage: Unknown
External Clock: Unknown
Max Speed: 2000 MHz
Current Speed: 2000 MHz
Status: Populated, Enabled
Upgrade: Other
L1 Cache Handle: Not Provided
L2 Cache Handle: Not Provided
L3 Cache Handle: Not Provided
Serial Number: Not Specified
Asset Tag: Not Specified
Part Number: Not Specified
Core Count: 2
Core Enabled: 2
Thread Count: 1
Characteristics: None
查看内存的信息
# cat /proc/meminfo
MemTotal: 3048896 kB
MemFree: 1862464 kB
MemAvailable: 2412352 kB
Buffers: 30208 kB
Cached: 829248 kB
SwapCached: 0 kB
Active: 414208 kB
Inactive: 646784 kB
Active(anon): 206656 kB
Inactive(anon): 8000 kB
Active(file): 207552 kB
Inactive(file): 638784 kB
Unevictable: 0 kB
Mlocked: 0 kB
SwapTotal: 0 kB
SwapFree: 0 kB
Dirty: 2048 kB
Writeback: 0 kB
AnonPages: 201536 kB
Mapped: 287040 kB
Shmem: 13120 kB
Slab: 56128 kB
SReclaimable: 26496 kB
SUnreclaim: 29632 kB
KernelStack: 9856 kB
PageTables: 9280 kB
NFS_Unstable: 0 kB
Bounce: 0 kB
WritebackTmp: 0 kB
CommitLimit: 1524416 kB
Committed_AS: 654080 kB
VmallocTotal: 133009637312 kB
VmallocUsed: 0 kB
VmallocChunk: 0 kB
Percpu: 1024 kB
HardwareCorrupted: 0 kB
AnonHugePages: 0 kB
ShmemHugePages: 0 kB
ShmemPmdMapped: 0 kB
CmaTotal: 524288 kB
CmaFree: 523776 kB
HugePages_Total: 0
HugePages_Free: 0
HugePages_Rsvd: 0
HugePages_Surp: 0
Hugepagesize: 524288 kB
Hugetlb: 0 kB
# free -h
total used free shared buff/cache available
Mem: 2.9Gi 293Mi 1.8Gi 12Mi 865Mi 2.3Gi
Swap: 0B 0B 0B
# dmidecode -t memory
# dmidecode 3.2
Getting SMBIOS data from sysfs.
SMBIOS 3.0.0 present.
Handle 0x1000, DMI type 16, 23 bytes
Physical Memory Array
Location: Other
Use: System Memory
Error Correction Type: Multi-bit ECC
Maximum Capacity: 4 GB
Error Information Handle: Not Provided
Number Of Devices: 1
Handle 0x1100, DMI type 17, 40 bytes
Memory Device
Array Handle: 0x1000
Error Information Handle: Not Provided
Total Width: Unknown
Data Width: Unknown
Size: 4096 MB
Form Factor: DIMM
Set: None
Locator: DIMM 0
Bank Locator: Not Specified
Type: RAM
Type Detail: Other
Speed: Unknown
Manufacturer: QEMU
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
帮助文档(部分)
# lscpu --help
Usage:
lscpu [options]
Display information about the CPU architecture.
Options:
-a, --all print both online and offline CPUs (default for -e)
-b, --online print online CPUs only (default for -p)
-B, --bytes print sizes in bytes rather than in human readable format
-C, --caches[=<list>] info about caches in extended readable format
-c, --offline print offline CPUs only
......
# free --help
Usage:
free [options]
Options:
-b, --bytes show output in bytes
--kilo show output in kilobytes
--mega show output in megabytes
--giga show output in gigabytes
--tera show output in terabytes
--peta show output in petabytes
-k, --kibi show output in kibibytes
......
# dmidecode --help
Usage: dmidecode [OPTIONS]
Options are:
-d, --dev-mem FILE Read memory from device FILE (default: /dev/mem)
-h, --help Display this help text and exit
-q, --quiet Less verbose output
-s, --string KEYWORD Only display the value of the given DMI string
-t, --type TYPE Only display the entries of given type
-H, --handle HANDLE Only display the entry of given handle
-u, --dump Do not decode the entries
--dump-bin FILE Dump the DMI data to a binary file
--from-dump FILE Read the DMI data from a binary file
--no-sysfs Do not attempt to read DMI data from sysfs files
--compat-uuid use compat uuid format with 2.6 SMBIOS specification
--oem-string N Only display the value of the given OEM string
-V, --version Display the version and exit