Article Title: How does one determine whether the CPU is dual-core or single-core in Linux. Linux is a technology channel of the IT lab in China. Including desktop applications, Linux system management, kernel research, embedded systems, open-source, and other basic categories. In Linux, you can view detailed information about each cpu in/proc/cpuinfo.
However, for dual-core CPUs, two CPUs are displayed in cpuinfo, which is often mistaken as two single-core CPUs.
In fact, Physical Processor ID should be used to distinguish between single-core and dual-core. Physical Processor ID can be found in cpuinfo or dmesg.
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