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Use of the x86 RDTSCP instruction

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Name		Name	Last commit message	Last commit date
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README.org		README.org
main.c		main.c
makefile		makefile
rdtscp.c		rdtscp.c
rdtscp.h		rdtscp.h

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how to use rdtscp instruction

Compile

$ make

Usage

Use the taskset command to pin the process to the desired core. Replace N with the core id.

$ taskset -c N ./main

Result

      cycles: 14054263169265
processor id: N

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Use of the x86 RDTSCP instruction

x86-64 rdtscp assembler-x86

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