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C linux equivalent of windows QueryPerformanceCounter

Tags:

c

linux

cpu

winapi

Is there an equivalent C function in linux for reading the CPU counter and its frequency?

I am looking for something similair to QueryPerformanceCounter function that reads the 64bit counter in modern CPU's

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236

asked Apr 17 '10 07:04

myforwik

2 Answers

clock_gettime(2), with an argument of CLOCK_REALTIME_HR.

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184

answered Oct 27 '22 01:10

Ignacio Vazquez-Abrams

clock_gettime() with CLOCK_MONOTONIC_RAW

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36

answered Oct 27 '22 01:10

ivan.ukr

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