perf.h

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#ifndef __ARCH_PERF_H__
#define __ARCH_PERF_H__
 
#include <ubixos/times.h>
 
#ifdef PERF
#define PERF_START  { \
                         unsigned long __c1l, __c1h, __c2l, __c2h; \
                         __asm__(".byte 0x0f, 0x31" : "=a" (__c1l), "=d" (__c1h))
#define PERF_STOP(x)   __asm__(".byte 0x0f, 0x31" : "=a" (__c2l), "=d" (__c2h)); \
                       perf_print(__c1l, __c1h, __c2l, __c2h, x);}
 
/*#define PERF_START do { \
                     struct tms __perf_start, __perf_end; \
                     times(&__perf_start)
#define PERF_STOP(x) times(&__perf_end); \
                     perf_print_times(&__perf_start, &__perf_end, x);\
                     } while(0)*/
#else /* PERF */
#define PERF_START    /* null definition */
#define PERF_STOP(x)  /* null definition */
#endif /* PERF */
 
void perf_print(unsigned long c1l, unsigned long c1h,
                unsigned long c2l, unsigned long c2h,
                char *key);
 
void perf_print_times(struct tms *start, struct tms *end, char *key);
 
void perf_init(char *fname);
 
#endif