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view TaskManager/Fifo/rdtsc.h @ 1588:f7d35318ea76 draft

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fix min_cpu() anc max_cpu()
author Shohei KOKUBO <e105744@ie.u-ryukyu.ac.jp>
date Sun, 31 Mar 2013 22:01:12 +0900
parents 411401d1cb71
children 7673e2ad2623
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#ifndef RDTSC_H_
#define RDTSC_H_

/*
 *  rdtsc is Read Time Stamp Counter
 */

inline unsigned long long rdtsc() {
	unsigned long long ret = 0;
#ifdef __CERIUM_FIFO__ // ??
	__asm__ volatile ("rdtsc" : "=A" (ret));
#endif // __CERIUM_FIFO__
	return ret;
}

#endif /* RDTSC_H_ */