【转】Linux查看内存大小和插槽

原文https://wsgzao.github.io/post/linux-memory/

Linux 查看内存的插槽数，已经使用多少插槽，每条内存多大，已使用内存多大

dmidecode | grep  -P  -A5  "Memory\s+Device" | grep Size | grep -v Range 

        Size: 16384 MB
        Size: No Module Installed
        Size: No Module Installed
        Size: 16384 MB
        Size: No Module Installed
        Size: No Module Installed
        Size: 16384 MB
        Size: No Module Installed
        Size: No Module Installed
        Size: 16384 MB
        Size: No Module Installed
        Size: No Module Installed
        Size: 16384 MB
        Size: No Module Installed
        Size: 16384 MB
        Size: No Module Installed
        Size: 16384 MB
        Size: No Module Installed
        Size: 16384 MB
        Size: No Module Installed

Linux 查看内存支持的最大内存容量

dmidecode | grep -P  'Maximum\s+Capacity'
 Maximum Capacity: 1536 GB

Linux 查看内存的频率

dmidecode | grep -A16 "Memory Device" | grep "Speed"

        Speed: 1600 MHz (0.6 ns)
        Speed: Unknown
        Speed: Unknown
        Speed: 1600 MHz (0.6 ns)
        Speed: Unknown
        Speed: Unknown
        Speed: Unknown
        Speed: Unknown
        Speed: 1600 MHz (0.6 ns)
        Speed: Unknown
        Speed: Unknown
        Speed: 1600 MHz (0.6 ns)
        Speed: 1600 MHz (0.6 ns)
        Speed: Unknown
        Speed: Unknown
        Speed: 1600 MHz (0.6 ns)
        Speed: Unknown
        Speed: Unknown
        Speed: Unknown
        Speed: Unknown
        Speed: 1600 MHz (0.6 ns)
        Speed: Unknown
        Speed: Unknown
        Speed: 1600 MHz (0.6 ns)

查看详细的主板信息

dmidecode | grep -A16 "System Information$"

查看详细的内存信息

dmidecode | grep -A16 "Memory Device$"
dmidecode -t memory