1 #ifndef __PERF_SORT_H
2 #define __PERF_SORT_H
3 #include "../builtin.h"
4 
5 #include "util.h"
6 
7 #include "color.h"
8 #include <linux/list.h>
9 #include "cache.h"
10 #include <linux/rbtree.h>
11 #include "symbol.h"
12 #include "string.h"
13 #include "callchain.h"
14 #include "strlist.h"
15 #include "values.h"
16 
17 #include "../perf.h"
18 #include "debug.h"
19 #include "header.h"
20 
21 #include "parse-options.h"
22 #include "parse-events.h"
23 
24 #include "thread.h"
25 #include "sort.h"
26 
27 extern regex_t parent_regex;
28 extern const char *sort_order;
29 extern const char default_parent_pattern[];
30 extern const char *parent_pattern;
31 extern const char default_sort_order[];
32 extern int sort__need_collapse;
33 extern int sort__has_parent;
34 extern char *field_sep;
35 extern struct sort_entry sort_comm;
36 extern struct sort_entry sort_dso;
37 extern struct sort_entry sort_sym;
38 extern struct sort_entry sort_parent;
39 extern enum sort_type sort__first_dimension;
40 
41 /**
42  * struct hist_entry - histogram entry
43  *
44  * @row_offset - offset from the first callchain expanded to appear on screen
45  * @nr_rows - rows expanded in callchain, recalculated on folding/unfolding
46  */
47 struct hist_entry {
48 	struct rb_node		rb_node;
49 	u64			period;
50 	u64			period_sys;
51 	u64			period_us;
52 	u64			period_guest_sys;
53 	u64			period_guest_us;
54 	struct map_symbol	ms;
55 	struct thread		*thread;
56 	u64			ip;
57 	s32			cpu;
58 	u32			nr_events;
59 
60 	/* XXX These two should move to some tree widget lib */
61 	u16			row_offset;
62 	u16			nr_rows;
63 
64 	bool			init_have_children;
65 	char			level;
66 	u8			filtered;
67 	struct symbol		*parent;
68 	union {
69 		unsigned long	  position;
70 		struct hist_entry *pair;
71 		struct rb_root	  sorted_chain;
72 	};
73 	struct callchain_root	callchain[0];
74 };
75 
76 enum sort_type {
77 	SORT_PID,
78 	SORT_COMM,
79 	SORT_DSO,
80 	SORT_SYM,
81 	SORT_PARENT,
82 	SORT_CPU,
83 };
84 
85 /*
86  * configurable sorting bits
87  */
88 
89 struct sort_entry {
90 	struct list_head list;
91 
92 	const char *se_header;
93 
94 	int64_t (*se_cmp)(struct hist_entry *, struct hist_entry *);
95 	int64_t (*se_collapse)(struct hist_entry *, struct hist_entry *);
96 	int	(*se_snprintf)(struct hist_entry *self, char *bf, size_t size,
97 			       unsigned int width);
98 	u8	se_width_idx;
99 	bool	elide;
100 };
101 
102 extern struct sort_entry sort_thread;
103 extern struct list_head hist_entry__sort_list;
104 
105 void setup_sorting(const char * const usagestr[], const struct option *opts);
106 
107 extern size_t sort__thread_print(FILE *, struct hist_entry *, unsigned int);
108 extern size_t sort__comm_print(FILE *, struct hist_entry *, unsigned int);
109 extern size_t sort__dso_print(FILE *, struct hist_entry *, unsigned int);
110 extern size_t sort__sym_print(FILE *, struct hist_entry *, unsigned int __used);
111 extern int64_t cmp_null(void *, void *);
112 extern int64_t sort__thread_cmp(struct hist_entry *, struct hist_entry *);
113 extern int64_t sort__comm_cmp(struct hist_entry *, struct hist_entry *);
114 extern int64_t sort__comm_collapse(struct hist_entry *, struct hist_entry *);
115 extern int64_t sort__dso_cmp(struct hist_entry *, struct hist_entry *);
116 extern int64_t sort__sym_cmp(struct hist_entry *, struct hist_entry *);
117 extern int64_t sort__parent_cmp(struct hist_entry *, struct hist_entry *);
118 int64_t sort__cpu_cmp(struct hist_entry *left, struct hist_entry *right);
119 extern size_t sort__parent_print(FILE *, struct hist_entry *, unsigned int);
120 extern int sort_dimension__add(const char *);
121 void sort_entry__setup_elide(struct sort_entry *self, struct strlist *list,
122 			     const char *list_name, FILE *fp);
123 
124 #endif	/* __PERF_SORT_H */
125