frontend/pcnt.h

   1
   2 enum pcounters {
   3         PCNT_ALL,
   4         PCNT_GPU,
   5         PCNT_SPU,
   6         PCNT_CNT
   7 };
   8
   9 #ifdef PCNT
  10
  11 extern unsigned int pcounters[PCNT_CNT];
  12 extern unsigned int pcounter_starts[PCNT_CNT];
  13
  14 #define pcnt_start(id) \
  15         pcounter_starts[id] = pcnt_get()
  16
  17 #define pcnt_end(id) \
  18         pcounters[id] += pcnt_get() - pcounter_starts[id]
  19
  20 void pcnt_hook_plugins(void);
  21
  22 static inline void pcnt_print(float fps)
  23 {
  24         unsigned int total, gpu, spu, rem;
  25         int i;
  26
  27         for (i = 0; i < PCNT_CNT; i++)
  28                 pcounters[i] >>= 10;
  29
  30         total = pcounters[PCNT_ALL];
  31         gpu = pcounters[PCNT_GPU];
  32         spu = pcounters[PCNT_SPU];
  33         rem = total - gpu - spu;
  34         if (!total)
  35                 total++;
  36
  37         printf("%2.1f %6u %6u %6u (%2d %2d %2d)\n", fps, gpu, spu, rem,
  38                 gpu * 100 / total, spu * 100 / total, rem * 100 / total);
  39
  40         memset(pcounters, 0, sizeof(pcounters));
  41 }
  42
  43 static inline unsigned int pcnt_get(void)
  44 {
  45         unsigned int val;
  46 #ifdef __ARM_ARCH_7A__
  47         __asm__ volatile("mrc p15, 0, %0, c9, c13, 0"
  48                          : "=r"(val));
  49 #else
  50         val = 0;
  51 #endif
  52         return val;
  53 }
  54
  55 #else
  56
  57 #define pcnt_start(id)
  58 #define pcnt_end(id)
  59 #define pcnt_hook_plugins()
  60 #define pcnt_print(fps)
  61
  62 #endif