xref: /openbmc/linux/tools/perf/util/sort.h (revision 275876e2)
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 #include "hist.h"
24 #include "thread.h"
25 
26 extern regex_t parent_regex;
27 extern const char *sort_order;
28 extern const char *field_order;
29 extern const char default_parent_pattern[];
30 extern const char *parent_pattern;
31 extern const char default_sort_order[];
32 extern regex_t ignore_callees_regex;
33 extern int have_ignore_callees;
34 extern int sort__need_collapse;
35 extern int sort__has_parent;
36 extern int sort__has_sym;
37 extern enum sort_mode sort__mode;
38 extern struct sort_entry sort_comm;
39 extern struct sort_entry sort_dso;
40 extern struct sort_entry sort_sym;
41 extern struct sort_entry sort_parent;
42 extern struct sort_entry sort_dso_from;
43 extern struct sort_entry sort_dso_to;
44 extern struct sort_entry sort_sym_from;
45 extern struct sort_entry sort_sym_to;
46 extern enum sort_type sort__first_dimension;
47 
48 struct he_stat {
49 	u64			period;
50 	u64			period_sys;
51 	u64			period_us;
52 	u64			period_guest_sys;
53 	u64			period_guest_us;
54 	u64			weight;
55 	u32			nr_events;
56 };
57 
58 struct hist_entry_diff {
59 	bool	computed;
60 
61 	/* PERF_HPP__DELTA */
62 	double	period_ratio_delta;
63 
64 	/* PERF_HPP__RATIO */
65 	double	period_ratio;
66 
67 	/* HISTC_WEIGHTED_DIFF */
68 	s64	wdiff;
69 };
70 
71 /**
72  * struct hist_entry - histogram entry
73  *
74  * @row_offset - offset from the first callchain expanded to appear on screen
75  * @nr_rows - rows expanded in callchain, recalculated on folding/unfolding
76  */
77 struct hist_entry {
78 	struct rb_node		rb_node_in;
79 	struct rb_node		rb_node;
80 	union {
81 		struct list_head node;
82 		struct list_head head;
83 	} pairs;
84 	struct he_stat		stat;
85 	struct he_stat		*stat_acc;
86 	struct map_symbol	ms;
87 	struct thread		*thread;
88 	struct comm		*comm;
89 	u64			ip;
90 	u64			transaction;
91 	s32			cpu;
92 	u8			cpumode;
93 
94 	struct hist_entry_diff	diff;
95 
96 	/* We are added by hists__add_dummy_entry. */
97 	bool			dummy;
98 
99 	/* XXX These two should move to some tree widget lib */
100 	u16			row_offset;
101 	u16			nr_rows;
102 
103 	bool			init_have_children;
104 	char			level;
105 	bool			used;
106 	u8			filtered;
107 	char			*srcline;
108 	struct symbol		*parent;
109 	unsigned long		position;
110 	struct rb_root		sorted_chain;
111 	struct branch_info	*branch_info;
112 	struct hists		*hists;
113 	struct mem_info		*mem_info;
114 	struct callchain_root	callchain[0]; /* must be last member */
115 };
116 
117 static inline bool hist_entry__has_pairs(struct hist_entry *he)
118 {
119 	return !list_empty(&he->pairs.node);
120 }
121 
122 static inline struct hist_entry *hist_entry__next_pair(struct hist_entry *he)
123 {
124 	if (hist_entry__has_pairs(he))
125 		return list_entry(he->pairs.node.next, struct hist_entry, pairs.node);
126 	return NULL;
127 }
128 
129 static inline void hist_entry__add_pair(struct hist_entry *pair,
130 					struct hist_entry *he)
131 {
132 	list_add_tail(&pair->pairs.node, &he->pairs.head);
133 }
134 
135 static inline float hist_entry__get_percent_limit(struct hist_entry *he)
136 {
137 	u64 period = he->stat.period;
138 	u64 total_period = hists__total_period(he->hists);
139 
140 	if (unlikely(total_period == 0))
141 		return 0;
142 
143 	if (symbol_conf.cumulate_callchain)
144 		period = he->stat_acc->period;
145 
146 	return period * 100.0 / total_period;
147 }
148 
149 
150 enum sort_mode {
151 	SORT_MODE__NORMAL,
152 	SORT_MODE__BRANCH,
153 	SORT_MODE__MEMORY,
154 	SORT_MODE__TOP,
155 	SORT_MODE__DIFF,
156 };
157 
158 enum sort_type {
159 	/* common sort keys */
160 	SORT_PID,
161 	SORT_COMM,
162 	SORT_DSO,
163 	SORT_SYM,
164 	SORT_PARENT,
165 	SORT_CPU,
166 	SORT_SRCLINE,
167 	SORT_LOCAL_WEIGHT,
168 	SORT_GLOBAL_WEIGHT,
169 	SORT_TRANSACTION,
170 
171 	/* branch stack specific sort keys */
172 	__SORT_BRANCH_STACK,
173 	SORT_DSO_FROM = __SORT_BRANCH_STACK,
174 	SORT_DSO_TO,
175 	SORT_SYM_FROM,
176 	SORT_SYM_TO,
177 	SORT_MISPREDICT,
178 	SORT_ABORT,
179 	SORT_IN_TX,
180 
181 	/* memory mode specific sort keys */
182 	__SORT_MEMORY_MODE,
183 	SORT_MEM_DADDR_SYMBOL = __SORT_MEMORY_MODE,
184 	SORT_MEM_DADDR_DSO,
185 	SORT_MEM_LOCKED,
186 	SORT_MEM_TLB,
187 	SORT_MEM_LVL,
188 	SORT_MEM_SNOOP,
189 	SORT_MEM_DCACHELINE,
190 };
191 
192 /*
193  * configurable sorting bits
194  */
195 
196 struct sort_entry {
197 	struct list_head list;
198 
199 	const char *se_header;
200 
201 	int64_t (*se_cmp)(struct hist_entry *, struct hist_entry *);
202 	int64_t (*se_collapse)(struct hist_entry *, struct hist_entry *);
203 	int64_t	(*se_sort)(struct hist_entry *, struct hist_entry *);
204 	int	(*se_snprintf)(struct hist_entry *he, char *bf, size_t size,
205 			       unsigned int width);
206 	u8	se_width_idx;
207 };
208 
209 extern struct sort_entry sort_thread;
210 extern struct list_head hist_entry__sort_list;
211 
212 int setup_sorting(void);
213 int setup_output_field(void);
214 void reset_output_field(void);
215 extern int sort_dimension__add(const char *);
216 void sort__setup_elide(FILE *fp);
217 void perf_hpp__set_elide(int idx, bool elide);
218 
219 int report_parse_ignore_callees_opt(const struct option *opt, const char *arg, int unset);
220 
221 #endif	/* __PERF_SORT_H */
222