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      1 #ifndef __PERF_ANNOTATE_H
      2 #define __PERF_ANNOTATE_H
      3 
      4 #include <stdbool.h>
      5 #include "types.h"
      6 #include "symbol.h"
      7 /* ANDROID_CHANGE_BEGIN */
      8 #if 0
      9 #include <linux/list.h>
     10 #include <linux/rbtree.h>
     11 #else
     12 #include "include/linux/list.h"
     13 #include "include/linux/rbtree.h"
     14 #if defined(__BIONIC__) || defined(__APPLE__)
     15 #include <pthread.h>
     16 #endif
     17 #endif
     18 /* ANDROID_CHANGE_END */
     19 
     20 struct objdump_line {
     21 	struct list_head node;
     22 	s64		 offset;
     23 	char		 *line;
     24 };
     25 
     26 void objdump_line__free(struct objdump_line *self);
     27 struct objdump_line *objdump__get_next_ip_line(struct list_head *head,
     28 					       struct objdump_line *pos);
     29 
     30 struct sym_hist {
     31 	u64		sum;
     32 	u64		addr[0];
     33 };
     34 
     35 struct source_line {
     36 	struct rb_node	node;
     37 	double		percent;
     38 	char		*path;
     39 };
     40 
     41 /** struct annotated_source - symbols with hits have this attached as in sannotation
     42  *
     43  * @histogram: Array of addr hit histograms per event being monitored
     44  * @lines: If 'print_lines' is specified, per source code line percentages
     45  * @source: source parsed from objdump -dS
     46  *
     47  * lines is allocated, percentages calculated and all sorted by percentage
     48  * when the annotation is about to be presented, so the percentages are for
     49  * one of the entries in the histogram array, i.e. for the event/counter being
     50  * presented. It is deallocated right after symbol__{tui,tty,etc}_annotate
     51  * returns.
     52  */
     53 struct annotated_source {
     54 	struct list_head   source;
     55 	struct source_line *lines;
     56 	int    		   nr_histograms;
     57 	int    		   sizeof_sym_hist;
     58 	struct sym_hist	   histograms[0];
     59 };
     60 
     61 struct annotation {
     62 	pthread_mutex_t		lock;
     63 	struct annotated_source *src;
     64 };
     65 
     66 struct sannotation {
     67 	struct annotation annotation;
     68 	struct symbol	  symbol;
     69 };
     70 
     71 static inline struct sym_hist *annotation__histogram(struct annotation *notes, int idx)
     72 {
     73 	return (((void *)&notes->src->histograms) +
     74 	 	(notes->src->sizeof_sym_hist * idx));
     75 }
     76 
     77 static inline struct annotation *symbol__annotation(struct symbol *sym)
     78 {
     79 	struct sannotation *a = container_of(sym, struct sannotation, symbol);
     80 	return &a->annotation;
     81 }
     82 
     83 int symbol__inc_addr_samples(struct symbol *sym, struct map *map,
     84 			     int evidx, u64 addr);
     85 int symbol__alloc_hist(struct symbol *sym, int nevents);
     86 void symbol__annotate_zero_histograms(struct symbol *sym);
     87 
     88 /* ANDROID_CHANGE_BEGIN */
     89 #if 0
     90 int symbol__annotate(struct symbol *sym, struct map *map, size_t privsize);
     91 #else
     92 int symbol__annotate(struct symbol *sym, struct map *map, size_t privsize,
     93                      bool print_lines);
     94 #endif
     95 /* ANDROID_CHANGE_END */
     96 int symbol__annotate_init(struct map *map __used, struct symbol *sym);
     97 int symbol__annotate_printf(struct symbol *sym, struct map *map, int evidx,
     98 			    bool full_paths, int min_pcnt, int max_lines,
     99 			    int context);
    100 void symbol__annotate_zero_histogram(struct symbol *sym, int evidx);
    101 void symbol__annotate_decay_histogram(struct symbol *sym, int evidx);
    102 void objdump_line_list__purge(struct list_head *head);
    103 
    104 int symbol__tty_annotate(struct symbol *sym, struct map *map, int evidx,
    105 			 bool print_lines, bool full_paths, int min_pcnt,
    106 			 int max_lines);
    107 
    108 #ifdef NO_NEWT_SUPPORT
    109 static inline int symbol__tui_annotate(struct symbol *sym __used,
    110 				       struct map *map __used,
    111 				       int evidx __used, int refresh __used)
    112 {
    113 	return 0;
    114 }
    115 #else
    116 int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx,
    117 			 int refresh);
    118 #endif
    119 
    120 #endif	/* __PERF_ANNOTATE_H */
    121