linux 查看CPU 内存的信息

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

# 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

# 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[=] 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

学习资料

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openEuler-慕课

openEuler-文档

鲲鹏社区

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Linux openEuler

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