#if defined DEBUG || defined PERF_DEBUG
#include "perf.h"

PERF_DATA perf;

U64 last_loop = 0;

void perf_loop_begin() {
  perf.readctr = perf.writectr = 0;
  
  if( !last_loop ) {
    last_loop = u_tick();
  }
}

void perf_loop_end() {
  U64 tick = u_tick();
  U64 delta = last_loop - tick;
  perf.ticks = delta;

  last_loop = tick;
}
#endif