frontend/pcnt.h

   1
   2 enum pcounters {
   3         PCNT_ALL,
   4         PCNT_GPU,
   5         PCNT_SPU,
   6         PCNT_BLIT,
   7         PCNT_TEST,
   8         PCNT_CNT
   9 };
  10
  11 #ifdef PCNT
  12
  13 static const char *pcnt_names[PCNT_CNT] = { "", "gpu", "spu", "blit", "test" };
  14
  15 #define PCNT_FRAMES 10
  16
  17 extern unsigned int pcounters[PCNT_CNT];
  18 extern unsigned int pcounter_starts[PCNT_CNT];
  19
  20 #define pcnt_start(id) \
  21         pcounter_starts[id] = pcnt_get()
  22
  23 #define pcnt_end(id) \
  24         pcounters[id] += pcnt_get() - pcounter_starts[id]
  25
  26 void pcnt_hook_plugins(void);
  27
  28 static inline void pcnt_print(float fps)
  29 {
  30         static int print_counter;
  31         unsigned int total, rem;
  32         int i;
  33
  34         for (i = 0; i < PCNT_CNT; i++)
  35                 pcounters[i] /= 1000 * PCNT_FRAMES;
  36
  37         rem = total = pcounters[PCNT_ALL];
  38         for (i = 1; i < PCNT_CNT; i++)
  39                 rem -= pcounters[i];
  40         if (!total)
  41                 total++;
  42
  43         if (--print_counter < 0) {
  44                 printf("     ");
  45                 for (i = 1; i < PCNT_CNT; i++)
  46                         printf("%5s ", pcnt_names[i]);
  47                 printf("%5s\n", "rem");
  48                 print_counter = 30;
  49         }
  50
  51         printf("%4.1f ", fps);
  52         for (i = 1; i < PCNT_CNT; i++)
  53                 printf("%5u ", pcounters[i]);
  54         printf("%5u (", rem);
  55         for (i = 1; i < PCNT_CNT; i++)
  56                 printf("%2u ", pcounters[i] * 100 / total);
  57         printf("%2u) %u\n", rem * 100 / total, total);
  58
  59         memset(pcounters, 0, sizeof(pcounters));
  60 }
  61
  62 static inline unsigned int pcnt_get(void)
  63 {
  64         unsigned int val;
  65 #ifdef __ARM_ARCH_7A__
  66         __asm__ volatile("mrc p15, 0, %0, c9, c13, 0"
  67                          : "=r"(val));
  68 #else
  69         val = 0;
  70 #endif
  71         return val;
  72 }
  73
  74 #else
  75
  76 #define pcnt_start(id)
  77 #define pcnt_end(id)
  78 #define pcnt_hook_plugins()
  79 #define pcnt_print(fps)
  80
  81 #endif