blob: e9e003dab5d8b409ce22f185a33f61ff4380db11 [file] [log] [blame]
#ifndef _BITS_PROFILE_H
#define _BITS_PROFILE_H
/** @file
*
* Profiling
*
*/
FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
#include <stdint.h>
/**
* Get profiling timestamp
*
* @ret timestamp Timestamp
*/
static inline __attribute__ (( always_inline )) unsigned long
profile_timestamp ( void ) {
unsigned long cycles;
/* Read timestamp counter */
__asm__ __volatile__ ( "rdcycle %0" : "=r" ( cycles ) );
return cycles;
}
#endif /* _BITS_PROFILE_H */