Cycle_counter < Sistemioperativi1

---+ cycle_counter.h

 <pre>
typedef unsigned long long CPU_clock_num;
CPU_clock_num realcc(void);

</pre>
--------------------------------
---+ cycle_counter.c

<pre>
#include "cycle_counter.h"

CPU_clock_num realcc(void) {
	unsigned long long cc;

	/* read the 64 bit process cycle counter into variable cc */

	asm volatile("rdtsc" : "=r"(cc) : : "memory");

	return cc;
}

</pre>
-- Users.AntonioValletta - 23 Nov 2001 <br>

This topic: Sistemioperativi1 > Cycle_counter
Topic revision: r1 - 2001-11-23 - AntonioValletta