#ifndef _BITS_PROFILE_H #define _BITS_PROFILE_H /** @file * * Profiling * */ FILE_LICENCE ( GPL2_OR_LATER ); #include /** * Get profiling timestamp * * @ret timestamp Timestamp */ static inline __attribute__ (( always_inline )) uint64_t profile_timestamp ( void ) { uint64_t tsc; /* Read timestamp counter */ __asm__ __volatile__ ( "rdtsc" : "=A" ( tsc ) ); return tsc; } #endif /* _BITS_PROFILE_H */