[GitHub/mt8127/android_kernel_alcatel_ttab.git] / tools / perf / util / annotate.h

#ifndef __PERF_ANNOTATE_H
#define __PERF_ANNOTATE_H

#include <stdbool.h>
#include "types.h"
#include "symbol.h"
#include <linux/list.h>
#include <linux/rbtree.h>

struct objdump_line {
	struct list_head node;
	s64		 offset;
	char		 *line;
};

void objdump_line__free(struct objdump_line *self);
struct objdump_line *objdump__get_next_ip_line(struct list_head *head,
					       struct objdump_line *pos);

struct sym_hist {
	u64		sum;
	u64		addr[0];
};

struct source_line {
	struct rb_node	node;
	double		percent;
	char		*path;
};

/** struct annotated_source - symbols with hits have this attached as in sannotation
 *
 * @histogram: Array of addr hit histograms per event being monitored
 * @lines: If 'print_lines' is specified, per source code line percentages
 * @source: source parsed from objdump -dS
 *
 * lines is allocated, percentages calculated and all sorted by percentage
 * when the annotation is about to be presented, so the percentages are for
 * one of the entries in the histogram array, i.e. for the event/counter being
 * presented. It is deallocated right after symbol__{tui,tty,etc}_annotate
 * returns.
 */
struct annotated_source {
	struct list_head   source;
	struct source_line *lines;
	int    		   nr_histograms;
	int    		   sizeof_sym_hist;
	struct sym_hist	   histograms[0];
};

struct annotation {
	pthread_mutex_t		lock;
	struct annotated_source *src;
};

struct sannotation {
	struct annotation annotation;
	struct symbol	  symbol;
};

static inline struct sym_hist *annotation__histogram(struct annotation *notes, int idx)
{
	return (((void *)&notes->src->histograms) +
	 	(notes->src->sizeof_sym_hist * idx));
}

static inline struct annotation *symbol__annotation(struct symbol *sym)
{
	struct sannotation *a = container_of(sym, struct sannotation, symbol);
	return &a->annotation;
}

int symbol__inc_addr_samples(struct symbol *sym, struct map *map,
			     int evidx, u64 addr);
int symbol__alloc_hist(struct symbol *sym, int nevents);
void symbol__annotate_zero_histograms(struct symbol *sym);

int symbol__annotate(struct symbol *sym, struct map *map, size_t privsize);
int symbol__annotate_init(struct map *map __used, struct symbol *sym);
int symbol__annotate_printf(struct symbol *sym, struct map *map, int evidx,
			    bool full_paths, int min_pcnt, int max_lines,
			    int context);
void symbol__annotate_zero_histogram(struct symbol *sym, int evidx);
void symbol__annotate_decay_histogram(struct symbol *sym, int evidx);
void objdump_line_list__purge(struct list_head *head);

int symbol__tty_annotate(struct symbol *sym, struct map *map, int evidx,
			 bool print_lines, bool full_paths, int min_pcnt,
			 int max_lines);

#ifdef NO_NEWT_SUPPORT
static inline int symbol__tui_annotate(struct symbol *sym __used,
				       struct map *map __used,
				       int evidx __used, int refresh __used)
{
	return 0;
}
#else
int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx,
			 int refresh);
#endif

#endif	/* __PERF_ANNOTATE_H */
Commit	Line	Data
78f7defe ACM	1	#ifndef __PERF_ANNOTATE_H
	2	#define __PERF_ANNOTATE_H
	3
	4	#include <stdbool.h>
	5	#include "types.h"
	6	#include "symbol.h"
	7	#include <linux/list.h>
	8	#include <linux/rbtree.h>
	9
	10	struct objdump_line {
	11	struct list_head node;
	12	s64 offset;
	13	char *line;
	14	};
	15
	16	void objdump_line__free(struct objdump_line *self);
	17	struct objdump_line objdump__get_next_ip_line(struct list_head head,
	18	struct objdump_line *pos);
	19
	20	struct sym_hist {
	21	u64 sum;
	22	u64 addr[0];
	23	};
	24
	25	struct source_line {
	26	struct rb_node node;
	27	double percent;
	28	char *path;
	29	};
	30
ce6f4fab	31	/** struct annotated_source - symbols with hits have this attached as in sannotation
2f525d01 ACM	32	*
2f525d01 ACM	33	* @histogram: Array of addr hit histograms per event being monitored
ce6f4fab ACM	34	* @lines: If 'print_lines' is specified, per source code line percentages
ce6f4fab ACM	35	* @source: source parsed from objdump -dS
2f525d01	36	*
ce6f4fab	37	* lines is allocated, percentages calculated and all sorted by percentage
2f525d01 ACM	38	* when the annotation is about to be presented, so the percentages are for
	39	* one of the entries in the histogram array, i.e. for the event/counter being
	40	* presented. It is deallocated right after symbol__{tui,tty,etc}_annotate
	41	* returns.
	42	*/
ce6f4fab ACM	43	struct annotated_source {
	44	struct list_head source;
	45	struct source_line *lines;
36532461	46	int nr_histograms;
2f525d01	47	int sizeof_sym_hist;
ce6f4fab ACM	48	struct sym_hist histograms[0];
	49	};
	50
	51	struct annotation {
	52	pthread_mutex_t lock;
	53	struct annotated_source *src;
78f7defe ACM	54	};
	55
	56	struct sannotation {
	57	struct annotation annotation;
	58	struct symbol symbol;
	59	};
	60
2f525d01 ACM	61	static inline struct sym_hist annotation__histogram(struct annotation notes, int idx)
2f525d01 ACM	62	{
ce6f4fab ACM	63	return (((void *)&notes->src->histograms) +
ce6f4fab ACM	64	(notes->src->sizeof_sym_hist * idx));
2f525d01 ACM	65	}
2f525d01 ACM	66
78f7defe ACM	67	static inline struct annotation symbol__annotation(struct symbol sym)
	68	{
	69	struct sannotation *a = container_of(sym, struct sannotation, symbol);
	70	return &a->annotation;
	71	}
	72
2f525d01 ACM	73	int symbol__inc_addr_samples(struct symbol sym, struct map map,
	74	int evidx, u64 addr);
	75	int symbol__alloc_hist(struct symbol *sym, int nevents);
36532461	76	void symbol__annotate_zero_histograms(struct symbol *sym);
78f7defe	77
ce6f4fab ACM	78	int symbol__annotate(struct symbol sym, struct map map, size_t privsize);
	79	int symbol__annotate_init(struct map map __used, struct symbol sym);
	80	int symbol__annotate_printf(struct symbol sym, struct map map, int evidx,
d5e3d747 ACM	81	bool full_paths, int min_pcnt, int max_lines,
d5e3d747 ACM	82	int context);
36532461	83	void symbol__annotate_zero_histogram(struct symbol *sym, int evidx);
ce6f4fab	84	void symbol__annotate_decay_histogram(struct symbol *sym, int evidx);
f1e2701d	85	void objdump_line_list__purge(struct list_head *head);
78f7defe	86
2f525d01	87	int symbol__tty_annotate(struct symbol sym, struct map map, int evidx,
d040bd36 ACM	88	bool print_lines, bool full_paths, int min_pcnt,
d040bd36 ACM	89	int max_lines);
78f7defe ACM	90
78f7defe ACM	91	#ifdef NO_NEWT_SUPPORT
a2221796	92	static inline int symbol__tui_annotate(struct symbol *sym __used,
c97cf422 ACM	93	struct map *map __used,
c97cf422 ACM	94	int evidx __used, int refresh __used)
78f7defe ACM	95	{
	96	return 0;
	97	}
	98	#else
c97cf422 ACM	99	int symbol__tui_annotate(struct symbol sym, struct map map, int evidx,
c97cf422 ACM	100	int refresh);
78f7defe ACM	101	#endif
	102
	103	#endif /* __PERF_ANNOTATE_H */