CPU clock cycles count using RDTSC and RDTSCP. More...

Classes
class	vsmc::RDTSCCounter
	CPU clock cycle counter using `rdtsc` More...

class	vsmc::RDTSCPCounter
	CPU clock cycle counter using `rdtscp` More...

Functions
uint64_t	vsmc::rdtsc ()
	Return the TSC value using RDTSC instruction. More...

uint64_t	vsmc::rdtscp (unsigned *aux)
	Return the TSC and TSC_AUX values using RDTSCP instruction. More...

Detailed Description

CPU clock cycles count using RDTSC and RDTSCP.

Function Documentation

uint64_t vsmc::rdtsc ( )

inline

Return the TSC value using RDTSC instruction.

Note: This function does not sync by itself. Call cpuid to sync if more accurate measurement is needed.

Definition at line 48 of file rdtsc.hpp.

uint64_t vsmc::rdtscp ( unsigned * aux )

inline

Return the TSC and TSC_AUX values using RDTSCP instruction.

Definition at line 67 of file rdtsc.hpp.