Documentation/perf_counter/util/symbol.h

   1 #ifndef _PERF_SYMBOL_
   2 #define _PERF_SYMBOL_ 1
   3
   4 #include <linux/types.h>
   5 #include "list.h"
   6 #include "rbtree.h"
   7
   8 struct symbol {
   9         struct rb_node  rb_node;
  10         __u64           start;
  11         __u64           end;
  12         __u64           obj_start;
  13         __u64           hist_sum;
  14         __u64           *hist;
  15         char            name[0];
  16 };
  17
  18 struct dso {
  19         struct list_head node;
  20         struct rb_root   syms;
  21         unsigned int     sym_priv_size;
  22         struct symbol    *(*find_symbol)(struct dso *, uint64_t ip);
  23         char             name[0];
  24 };
  25
  26 const char *sym_hist_filter;
  27
  28 typedef int (*symbol_filter_t)(struct dso *self, struct symbol *sym);
  29
  30 struct dso *dso__new(const char *name, unsigned int sym_priv_size);
  31 void dso__delete(struct dso *self);
  32
  33 static inline void *dso__sym_priv(struct dso *self, struct symbol *sym)
  34 {
  35         return ((void *)sym) - self->sym_priv_size;
  36 }
  37
  38 struct symbol *dso__find_symbol(struct dso *self, uint64_t ip);
  39
  40 int dso__load_kernel(struct dso *self, const char *vmlinux,
  41                      symbol_filter_t filter, int verbose);
  42 int dso__load(struct dso *self, symbol_filter_t filter, int verbose);
  43
  44 size_t dso__fprintf(struct dso *self, FILE *fp);
  45
  46 void symbol__init(void);
  47 #endif /* _PERF_SYMBOL_ */