15 lines
257 B
C
15 lines
257 B
C
#pragma once
|
|
|
|
#include <stdint.h>
|
|
|
|
uint64_t rte_get_tsc_cycles() {
|
|
unsigned int lo, hi;
|
|
__asm__ __volatile__("rdtsc" : "=a"(lo), "=d"(hi));
|
|
return ((uint64_t)hi << 32) | lo;
|
|
}
|
|
|
|
uint64_t rte_get_tsc_hz() {
|
|
// 1.8 GHz
|
|
return 1800000000;
|
|
}
|