summaryrefslogtreecommitdiff
path: root/tools/perf/util/sort.h
blob: 846036a921dc9152623fd5e70671b5f196e4b3de (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
#ifndef __PERF_SORT_H
#define __PERF_SORT_H
#include "../builtin.h"

#include "util.h"

#include "color.h"
#include <linux/list.h>
#include "cache.h"
#include <linux/rbtree.h>
#include "symbol.h"
#include "string.h"
#include "callchain.h"
#include "strlist.h"
#include "values.h"

#include "../perf.h"
#include "debug.h"
#include "header.h"

#include "parse-options.h"
#include "parse-events.h"
#include "hist.h"
#include "thread.h"

extern regex_t parent_regex;
extern const char *sort_order;
extern const char *field_order;
extern const char default_parent_pattern[];
extern const char *parent_pattern;
extern const char default_sort_order[];
extern regex_t ignore_callees_regex;
extern int have_ignore_callees;
extern int sort__need_collapse;
extern int sort__has_parent;
extern int sort__has_sym;
extern enum sort_mode sort__mode;
extern struct sort_entry sort_comm;
extern struct sort_entry sort_dso;
extern struct sort_entry sort_sym;
extern struct sort_entry sort_parent;
extern struct sort_entry sort_dso_from;
extern struct sort_entry sort_dso_to;
extern struct sort_entry sort_sym_from;
extern struct sort_entry sort_sym_to;
extern enum sort_type sort__first_dimension;
extern const char default_mem_sort_order[];

struct he_stat {
	u64			period;
	u64			period_sys;
	u64			period_us;
	u64			period_guest_sys;
	u64			period_guest_us;
	u64			weight;
	u32			nr_events;
};

struct hist_entry_diff {
	bool	computed;

	/* PERF_HPP__DELTA */
	double	period_ratio_delta;

	/* PERF_HPP__RATIO */
	double	period_ratio;

	/* HISTC_WEIGHTED_DIFF */
	s64	wdiff;
};

/**
 * struct hist_entry - histogram entry
 *
 * @row_offset - offset from the first callchain expanded to appear on screen
 * @nr_rows - rows expanded in callchain, recalculated on folding/unfolding
 */
struct hist_entry {
	struct rb_node		rb_node_in;
	struct rb_node		rb_node;
	union {
		struct list_head node;
		struct list_head head;
	} pairs;
	struct he_stat		stat;
	struct he_stat		*stat_acc;
	struct map_symbol	ms;
	struct thread		*thread;
	struct comm		*comm;
	u64			ip;
	u64			transaction;
	s32			cpu;
	u8			cpumode;

	struct hist_entry_diff	diff;

	/* We are added by hists__add_dummy_entry. */
	bool			dummy;

	/* XXX These two should move to some tree widget lib */
	u16			row_offset;
	u16			nr_rows;

	bool			init_have_children;
	char			level;
	u8			filtered;
	char			*srcline;
	struct symbol		*parent;
	unsigned long		position;
	struct rb_root		sorted_chain;
	struct branch_info	*branch_info;
	struct hists		*hists;
	struct mem_info		*mem_info;
	struct callchain_root	callchain[0]; /* must be last member */
};

static inline bool hist_entry__has_pairs(struct hist_entry *he)
{
	return !list_empty(&he->pairs.node);
}

static inline struct hist_entry *hist_entry__next_pair(struct hist_entry *he)
{
	if (hist_entry__has_pairs(he))
		return list_entry(he->pairs.node.next, struct hist_entry, pairs.node);
	return NULL;
}

static inline void hist_entry__add_pair(struct hist_entry *pair,
					struct hist_entry *he)
{
	list_add_tail(&pair->pairs.node, &he->pairs.head);
}

static inline float hist_entry__get_percent_limit(struct hist_entry *he)
{
	u64 period = he->stat.period;
	u64 total_period = hists__total_period(he->hists);

	if (unlikely(total_period == 0))
		return 0;

	if (symbol_conf.cumulate_callchain)
		period = he->stat_acc->period;

	return period * 100.0 / total_period;
}


enum sort_mode {
	SORT_MODE__NORMAL,
	SORT_MODE__BRANCH,
	SORT_MODE__MEMORY,
	SORT_MODE__TOP,
	SORT_MODE__DIFF,
};

enum sort_type {
	/* common sort keys */
	SORT_PID,
	SORT_COMM,
	SORT_DSO,
	SORT_SYM,
	SORT_PARENT,
	SORT_CPU,
	SORT_SRCLINE,
	SORT_LOCAL_WEIGHT,
	SORT_GLOBAL_WEIGHT,
	SORT_TRANSACTION,

	/* branch stack specific sort keys */
	__SORT_BRANCH_STACK,
	SORT_DSO_FROM = __SORT_BRANCH_STACK,
	SORT_DSO_TO,
	SORT_SYM_FROM,
	SORT_SYM_TO,
	SORT_MISPREDICT,
	SORT_ABORT,
	SORT_IN_TX,

	/* memory mode specific sort keys */
	__SORT_MEMORY_MODE,
	SORT_MEM_DADDR_SYMBOL = __SORT_MEMORY_MODE,
	SORT_MEM_DADDR_DSO,
	SORT_MEM_LOCKED,
	SORT_MEM_TLB,
	SORT_MEM_LVL,
	SORT_MEM_SNOOP,
	SORT_MEM_DCACHELINE,
};

/*
 * configurable sorting bits
 */

struct sort_entry {
	struct list_head list;

	const char *se_header;

	int64_t (*se_cmp)(struct hist_entry *, struct hist_entry *);
	int64_t (*se_collapse)(struct hist_entry *, struct hist_entry *);
	int64_t	(*se_sort)(struct hist_entry *, struct hist_entry *);
	int	(*se_snprintf)(struct hist_entry *he, char *bf, size_t size,
			       unsigned int width);
	u8	se_width_idx;
};

extern struct sort_entry sort_thread;
extern struct list_head hist_entry__sort_list;

int setup_sorting(void);
int setup_output_field(void);
void reset_output_field(void);
extern int sort_dimension__add(const char *);
void sort__setup_elide(FILE *fp);
void perf_hpp__set_elide(int idx, bool elide);

int report_parse_ignore_callees_opt(const struct option *opt, const char *arg, int unset);

bool is_strict_order(const char *order);
#endif	/* __PERF_SORT_H */