| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /*************************************** | ||
| 2 | Auteur : Pierre Aubert | ||
| 3 | Mail : pierre.aubert@lapp.in2p3.fr | ||
| 4 | Licence : CeCILL-C | ||
| 5 | ****************************************/ | ||
| 6 | |||
| 7 | |||
| 8 | #include "phoenix_hardware_rdtsc.h" | ||
| 9 | |||
| 10 | #ifdef __i386 | ||
| 11 | ///Get the number of cycles since the begining of the program | ||
| 12 | /** @return number of cycles since the begining of the program | ||
| 13 | */ | ||
| 14 | extern long unsigned int phoenix_hardware_rdtsc(void) { | ||
| 15 | long unsigned int x; | ||
| 16 | __asm__ volatile ("rdtsc" : "=A" (x)); | ||
| 17 | return x; | ||
| 18 | } | ||
| 19 | #elif defined __amd64 | ||
| 20 | ///Get the number of cycles since the begining of the program | ||
| 21 | /** @return number of cycles since the begining of the program | ||
| 22 | */ | ||
| 23 | 7964 | extern long unsigned int phoenix_hardware_rdtsc(void) { | |
| 24 | long unsigned int a, d; | ||
| 25 | 7964 | __asm__ volatile ("rdtsc" : "=a" (a), "=d" (d)); | |
| 26 | 7970 | return (d<<32) | a; | |
| 27 | } | ||
| 28 | #endif | ||
| 29 | |||
| 30 | |||
| 31 | |||
| 32 |