message: Some processors has 8 general purpose counters
diff: @@ -50,7 +50,7 @@ typedef signed int int32;
  #define IA32_PERFEVTSEL2_ADDR (IA32_PERFEVTSEL0_ADDR + 2)
  #define IA32_PERFEVTSEL3_ADDR (IA32_PERFEVTSEL0_ADDR + 3)
  -#define PERF_MAX_COUNTERS (7)
  +#define PERF_MAX_COUNTERS (11)
  #define IA32_DEBUGCTL (0x1D9)
  