target/linux/ubicom32/files/arch/ubicom32/oprofile/ipProf.h

   1 #ifndef __IP_PROF_H__
   2 #define __IP_PROF_H__
   3
   4 /* This number MUST match what is used in the ultra configuration! */
   5 #define IPPROFILETIO_MAX_SAMPLES        600
   6
   7 /* Move to .h file used in both; avoid special types  */
   8 struct profile_sample {
   9         unsigned int    pc;             /* PC value */
  10         unsigned int    parent;         /* a5 contents, to find the caller */
  11         unsigned char   cond_codes;     /* for branch prediction */
  12         unsigned char   thread;         /* I-blocked, D-blocked,
  13                                            4-bit thread number */
  14         unsigned short  active;         /* which threads are active -
  15                                            for accurate counting */
  16         unsigned short  blocked;        /* which threads are blocked due to
  17                                            I or D cache misses */
  18         unsigned int    latency;        /* CPU clocks since the last message
  19                                            dispatch in this thread
  20                                            (thread 0 only for now) */
  21 };
  22
  23
  24 struct profilenode {
  25         struct devtree_node dn;
  26         volatile unsigned char enabled; /* Is the tio enabled to
  27                                            take samples? */
  28         volatile unsigned char busy;    /* set when the samples
  29                                            are being read */
  30         volatile unsigned int mask;     /* Threads that change the MT_EN flag */
  31         volatile unsigned short rate;   /* What is the sampling rate? */
  32         volatile unsigned short head;   /* sample taker puts samples here */
  33         volatile unsigned short tail;   /* packet filler takes samples here */
  34         volatile unsigned short count;  /* number of valid samples */
  35         volatile unsigned short total;  /* Total samples */
  36         struct profile_sample samples[IPPROFILETIO_MAX_SAMPLES];
  37 };
  38
  39 #endif