prof_utils.h

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/*
* File:    prof_utils.h
* Author:  Dan Terpstra
*          terpstra@cs.utk.edu
* Mods:    Maynard Johnson
*          maynardj@us.ibm.com
*/
 
/* This file contains utility definitions useful for all profiling tests
   It should be #included in:
   - profile.c,
   - sprofile.c,
   - profile_pthreads.c,
   - profile_twoevents.c,
   - earprofile.c,
   - future profiling tests.
*/
 
/* value for scale parameter that sets scale to 1 */
#define FULL_SCALE 65536
 
/* Internal prototype */
int prof_events(int num_tests);
void prof_print_address(const char *title, const PAPI_exe_info_t *prginfo);
void prof_print_prof_info(vptr_t start, vptr_t end, int threshold, char *event_name);
void prof_alloc(int num, unsigned long plength);
void prof_head(unsigned long blength, int bucket_size, int num_buckets, const char *header);
void prof_out(vptr_t start, int n, int bucket, int num_buckets, unsigned int scale);
unsigned long prof_size(unsigned long plength, unsigned scale, int bucket, int *num_buckets);
int prof_check(int n, int bucket, int num_buckets);
int prof_buckets(int bucket);
void do_no_profile(int quiet);
 
/* variables global to profiling tests */
extern long long **values;
extern char event_name[PAPI_MAX_STR_LEN];
extern int PAPI_event;
extern int EventSet;
extern void *profbuf[5];
 
/* Itanium returns function descriptors instead of function addresses.
   I couldn't find the following structure in a header file,
   so I duplicated it below.
*/
#if (defined(ITANIUM1) || defined(ITANIUM2))
   struct fdesc {
      void *ip; /* entry point (code address) */
      void *gp; /* global-pointer */
   };
#elif defined(__powerpc64__)
    struct fdesc {
        void * ip;   // function entry point
        void * toc;
        void * env;
    };
#endif