summaryrefslogtreecommitdiff
path: root/tools/perf/util/sort.h
blob: f583325a374363b92a26edb5e988817955a35e65 (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
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
#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 <subcmd/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 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 struct sort_entry sort_srcline;
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;
	union {
		/* PERF_HPP__DELTA */
		double	period_ratio_delta;

		/* PERF_HPP__RATIO */
		double	period_ratio;

		/* HISTC_WEIGHTED_DIFF */
		s64	wdiff;
	};
};

struct hist_entry_ops {
	void	*(*new)(size_t size);
	void	(*free)(void *ptr);
};

/**
 * 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			socket;
	s32			cpu;
	u8			cpumode;
	u8			depth;

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

	char			level;
	u8			filtered;
	union {
		/*
		 * Since perf diff only supports the stdio output, TUI
		 * fields are only accessed from perf report (or perf
		 * top).  So make it a union to reduce memory usage.
		 */
		struct hist_entry_diff	diff;
		struct /* for TUI */ {
			u16	row_offset;
			u16	nr_rows;
			bool	init_have_children;
			bool	unfolded;
			bool	has_children;
			bool	has_no_entry;
		};
	};
	char			*srcline;
	char			*srcfile;
	struct symbol		*parent;
	struct branch_info	*branch_info;
	struct hists		*hists;
	struct mem_info		*mem_info;
	void			*raw_data;
	u32			raw_size;
	void			*trace_output;
	struct perf_hpp_list	*hpp_list;
	struct hist_entry	*parent_he;
	struct hist_entry_ops	*ops;
	union {
		/* this is for hierarchical entry structure */
		struct {
			struct rb_root	hroot_in;
			struct rb_root  hroot_out;
		};				/* non-leaf entries */
		struct rb_root	sorted_chain;	/* leaf entry has callchains */
	};
	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;
}

static inline u64 cl_address(u64 address)
{
	/* return the cacheline of the address */
	return (address & ~(cacheline_size - 1));
}

static inline u64 cl_offset(u64 address)
{
	/* return the cacheline of the address */
	return (address & (cacheline_size - 1));
}

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

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

	/* 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,
	SORT_CYCLES,
	SORT_SRCLINE_FROM,
	SORT_SRCLINE_TO,

	/* 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,
	SORT_MEM_IADDR_SYMBOL,
};

/*
 * configurable sorting bits
 */

struct sort_entry {
	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);
	int	(*se_filter)(struct hist_entry *he, int type, const void *arg);
	u8	se_width_idx;
};

extern struct sort_entry sort_thread;
extern struct list_head hist_entry__sort_list;

struct perf_evlist;
struct pevent;
int setup_sorting(struct perf_evlist *evlist);
int setup_output_field(void);
void reset_output_field(void);
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);

int hpp_dimension__add_output(unsigned col);
void reset_dimensions(void);
int sort_dimension__add(struct perf_hpp_list *list, const char *tok,
			struct perf_evlist *evlist,
			int level);
int output_field_add(struct perf_hpp_list *list, char *tok);
int64_t
sort__iaddr_cmp(struct hist_entry *left, struct hist_entry *right);
int64_t
sort__daddr_cmp(struct hist_entry *left, struct hist_entry *right);
int64_t
sort__dcacheline_cmp(struct hist_entry *left, struct hist_entry *right);
char *hist_entry__get_srcline(struct hist_entry *he);
#endif	/* __PERF_SORT_H */