Power management cpuinfo update#
Stepping : CPU belongs to the production update versionĬpu MHz : The actual frequency of the CPUĬache size: the size of the CPU secondary cache Model name: the name, number, and nominal frequency of the CPU
Power management cpuinfo code#
Model : The code name of which generation of the CPU belongs to the series
Processor : The number of the logic processing core in the system.For a single-core processor, the class considers its CPU number.For a multi-core processor, it can be a physical core or a logical core virtualized by hyper-threading technology. The meanings of the above output items are as follows: The /proc/cpuinfo files generated by CPUs based on different instruction sets (ISA) are different.The /proc/cpuinfo files based on X86 instruction set CPUs contain the following content: :~/home/www/$cat /proc/cpuinfoįlags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid sse4_1 sse4_2 movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm cpuid_fault epb invpcid_single pti ssbd ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid fsgsbase tsc_adjust bmi1 avx2 smep bmi2 erms invpcid xsaveopt dtherm ida arat pln pts md_clear flush_l1dīugs : cpu_meltdown spectre_v1 spectre_v2 spec_store_bypass l1tf mds swapgs itlb_multihitĪddress sizes : 39 bits physical, 48 bits virtual
Power management cpuinfo software#
Product: Intel(R) Core(TM) i7-3770 CPU 3.40GHzīus info: Intel(R) Core(TM) i7-3770 CPU 3.In the Linux system, the proc file system is provided to display the software and hardware information of the system.If you want to know the CPU provider and related configuration information in the system, such as how many physical CPUs/cores/threads the current host has, how can these problems be determined? It can be obtained through the /proc/cpuinfo file.This article will briefly summarize the file. Model name : Intel(R) Core(TM) i7-3770 CPU 3.40GHzįlags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm sse4_1 sse4_2 x2apic popcnt aes xsave avx lahf_lm ida arat tpr_shadow vnmi flexpriority ept vpidĪddress sizes : 36 bits physical, 48 bits virtualĪlso, here is the output of lshw and lscpu command.
But can any one tell why the cpu MHz of a core is 1600MHz? I guess there is 2 threads in a core, so a hw thread freq may be about the half of the core's? How this number is calculated? processor : 7
It will be 8 logic core in a system, like what shows in /proc/cpuinfo. Here is the dmidecode output: # dmidecode -t 4 The CPU is a It has 4 cores and each core has 2 threads.
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