tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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
27extern regex_t parent_regex;
28extern const char *sort_order;
29extern const char default_parent_pattern[];
30extern const char *parent_pattern;
31extern const char default_sort_order[];
32extern int sort__need_collapse;
33extern int sort__has_parent;
34extern int sort__has_sym;
35extern int sort__branch_mode;
36extern struct sort_entry sort_comm;
37extern struct sort_entry sort_dso;
38extern struct sort_entry sort_sym;
39extern struct sort_entry sort_parent;
40extern struct sort_entry sort_dso_from;
41extern struct sort_entry sort_dso_to;
42extern struct sort_entry sort_sym_from;
43extern struct sort_entry sort_sym_to;
44extern enum sort_type sort__first_dimension;
45
46struct he_stat {
47 u64 period;
48 u64 period_sys;
49 u64 period_us;
50 u64 period_guest_sys;
51 u64 period_guest_us;
52 u32 nr_events;
53};
54
55struct hist_entry_diff {
56 bool computed;
57
58 /* PERF_HPP__DELTA */
59 double period_ratio_delta;
60
61 /* PERF_HPP__RATIO */
62 double period_ratio;
63
64 /* HISTC_WEIGHTED_DIFF */
65 s64 wdiff;
66};
67
68/**
69 * struct hist_entry - histogram entry
70 *
71 * @row_offset - offset from the first callchain expanded to appear on screen
72 * @nr_rows - rows expanded in callchain, recalculated on folding/unfolding
73 */
74struct hist_entry {
75 struct rb_node rb_node_in;
76 struct rb_node rb_node;
77 union {
78 struct list_head node;
79 struct list_head head;
80 } pairs;
81 struct he_stat stat;
82 struct map_symbol ms;
83 struct thread *thread;
84 u64 ip;
85 s32 cpu;
86
87 struct hist_entry_diff diff;
88
89 /* XXX These two should move to some tree widget lib */
90 u16 row_offset;
91 u16 nr_rows;
92
93 bool init_have_children;
94 char level;
95 bool used;
96 u8 filtered;
97 char *srcline;
98 struct symbol *parent;
99 unsigned long position;
100 struct rb_root sorted_chain;
101 struct branch_info *branch_info;
102 struct hists *hists;
103 struct callchain_root callchain[0];
104};
105
106static inline bool hist_entry__has_pairs(struct hist_entry *he)
107{
108 return !list_empty(&he->pairs.node);
109}
110
111static inline struct hist_entry *hist_entry__next_pair(struct hist_entry *he)
112{
113 if (hist_entry__has_pairs(he))
114 return list_entry(he->pairs.node.next, struct hist_entry, pairs.node);
115 return NULL;
116}
117
118static inline void hist_entry__add_pair(struct hist_entry *he,
119 struct hist_entry *pair)
120{
121 list_add_tail(&he->pairs.head, &pair->pairs.node);
122}
123
124enum sort_type {
125 /* common sort keys */
126 SORT_PID,
127 SORT_COMM,
128 SORT_DSO,
129 SORT_SYM,
130 SORT_PARENT,
131 SORT_CPU,
132 SORT_SRCLINE,
133
134 /* branch stack specific sort keys */
135 __SORT_BRANCH_STACK,
136 SORT_DSO_FROM = __SORT_BRANCH_STACK,
137 SORT_DSO_TO,
138 SORT_SYM_FROM,
139 SORT_SYM_TO,
140 SORT_MISPREDICT,
141};
142
143/*
144 * configurable sorting bits
145 */
146
147struct sort_entry {
148 struct list_head list;
149
150 const char *se_header;
151
152 int64_t (*se_cmp)(struct hist_entry *, struct hist_entry *);
153 int64_t (*se_collapse)(struct hist_entry *, struct hist_entry *);
154 int (*se_snprintf)(struct hist_entry *self, char *bf, size_t size,
155 unsigned int width);
156 u8 se_width_idx;
157 bool elide;
158};
159
160extern struct sort_entry sort_thread;
161extern struct list_head hist_entry__sort_list;
162
163int setup_sorting(void);
164extern int sort_dimension__add(const char *);
165void sort_entry__setup_elide(struct sort_entry *self, struct strlist *list,
166 const char *list_name, FILE *fp);
167
168#endif /* __PERF_SORT_H */