1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __PERF_SORT_H
3 #define __PERF_SORT_H
4 #include "../builtin.h"
5 
6 #include <regex.h>
7 
8 #include "color.h"
9 #include <linux/list.h>
10 #include "cache.h"
11 #include <linux/rbtree.h>
12 #include "symbol.h"
13 #include "string.h"
14 #include "callchain.h"
15 #include "values.h"
16 
17 #include "../perf.h"
18 #include "debug.h"
19 #include "header.h"
20 
21 #include <subcmd/parse-options.h>
22 #include "parse-events.h"
23 #include "hist.h"
24 #include "srcline.h"
25 
26 struct thread;
27 
28 extern regex_t parent_regex;
29 extern const char *sort_order;
30 extern const char *field_order;
31 extern const char default_parent_pattern[];
32 extern const char *parent_pattern;
33 extern const char *default_sort_order;
34 extern regex_t ignore_callees_regex;
35 extern int have_ignore_callees;
36 extern enum sort_mode sort__mode;
37 extern struct sort_entry sort_comm;
38 extern struct sort_entry sort_dso;
39 extern struct sort_entry sort_sym;
40 extern struct sort_entry sort_parent;
41 extern struct sort_entry sort_dso_from;
42 extern struct sort_entry sort_dso_to;
43 extern struct sort_entry sort_sym_from;
44 extern struct sort_entry sort_sym_to;
45 extern struct sort_entry sort_srcline;
46 extern enum sort_type sort__first_dimension;
47 extern const char default_mem_sort_order[];
48 
49 struct he_stat {
50 	u64			period;
51 	u64			period_sys;
52 	u64			period_us;
53 	u64			period_guest_sys;
54 	u64			period_guest_us;
55 	u64			weight;
56 	u32			nr_events;
57 };
58 
59 struct namespace_id {
60 	u64			dev;
61 	u64			ino;
62 };
63 
64 struct hist_entry_diff {
65 	bool	computed;
66 	union {
67 		/* PERF_HPP__DELTA */
68 		double	period_ratio_delta;
69 
70 		/* PERF_HPP__RATIO */
71 		double	period_ratio;
72 
73 		/* HISTC_WEIGHTED_DIFF */
74 		s64	wdiff;
75 	};
76 };
77 
78 struct hist_entry_ops {
79 	void	*(*new)(size_t size);
80 	void	(*free)(void *ptr);
81 };
82 
83 /**
84  * struct hist_entry - histogram entry
85  *
86  * @row_offset - offset from the first callchain expanded to appear on screen
87  * @nr_rows - rows expanded in callchain, recalculated on folding/unfolding
88  */
89 struct hist_entry {
90 	struct rb_node		rb_node_in;
91 	struct rb_node		rb_node;
92 	union {
93 		struct list_head node;
94 		struct list_head head;
95 	} pairs;
96 	struct he_stat		stat;
97 	struct he_stat		*stat_acc;
98 	struct map_symbol	ms;
99 	struct thread		*thread;
100 	struct comm		*comm;
101 	struct namespace_id	cgroup_id;
102 	u64			ip;
103 	u64			transaction;
104 	s32			socket;
105 	s32			cpu;
106 	u8			cpumode;
107 	u8			depth;
108 
109 	/* We are added by hists__add_dummy_entry. */
110 	bool			dummy;
111 	bool			leaf;
112 
113 	char			level;
114 	u8			filtered;
115 
116 	u16			callchain_size;
117 	union {
118 		/*
119 		 * Since perf diff only supports the stdio output, TUI
120 		 * fields are only accessed from perf report (or perf
121 		 * top).  So make it a union to reduce memory usage.
122 		 */
123 		struct hist_entry_diff	diff;
124 		struct /* for TUI */ {
125 			u16	row_offset;
126 			u16	nr_rows;
127 			bool	init_have_children;
128 			bool	unfolded;
129 			bool	has_children;
130 			bool	has_no_entry;
131 		};
132 	};
133 	char			*srcline;
134 	char			*srcfile;
135 	struct symbol		*parent;
136 	struct branch_info	*branch_info;
137 	struct hists		*hists;
138 	struct mem_info		*mem_info;
139 	void			*raw_data;
140 	u32			raw_size;
141 	void			*trace_output;
142 	struct perf_hpp_list	*hpp_list;
143 	struct hist_entry	*parent_he;
144 	struct hist_entry_ops	*ops;
145 	union {
146 		/* this is for hierarchical entry structure */
147 		struct {
148 			struct rb_root	hroot_in;
149 			struct rb_root  hroot_out;
150 		};				/* non-leaf entries */
151 		struct rb_root	sorted_chain;	/* leaf entry has callchains */
152 	};
153 	struct callchain_root	callchain[0]; /* must be last member */
154 };
155 
hist_entry__has_callchains(struct hist_entry * he)156 static __pure inline bool hist_entry__has_callchains(struct hist_entry *he)
157 {
158 	return he->callchain_size != 0;
159 }
160 
hist_entry__has_pairs(struct hist_entry * he)161 static inline bool hist_entry__has_pairs(struct hist_entry *he)
162 {
163 	return !list_empty(&he->pairs.node);
164 }
165 
hist_entry__next_pair(struct hist_entry * he)166 static inline struct hist_entry *hist_entry__next_pair(struct hist_entry *he)
167 {
168 	if (hist_entry__has_pairs(he))
169 		return list_entry(he->pairs.node.next, struct hist_entry, pairs.node);
170 	return NULL;
171 }
172 
hist_entry__add_pair(struct hist_entry * pair,struct hist_entry * he)173 static inline void hist_entry__add_pair(struct hist_entry *pair,
174 					struct hist_entry *he)
175 {
176 	list_add_tail(&pair->pairs.node, &he->pairs.head);
177 }
178 
hist_entry__get_percent_limit(struct hist_entry * he)179 static inline float hist_entry__get_percent_limit(struct hist_entry *he)
180 {
181 	u64 period = he->stat.period;
182 	u64 total_period = hists__total_period(he->hists);
183 
184 	if (unlikely(total_period == 0))
185 		return 0;
186 
187 	if (symbol_conf.cumulate_callchain)
188 		period = he->stat_acc->period;
189 
190 	return period * 100.0 / total_period;
191 }
192 
cl_address(u64 address)193 static inline u64 cl_address(u64 address)
194 {
195 	/* return the cacheline of the address */
196 	return (address & ~(cacheline_size() - 1));
197 }
198 
cl_offset(u64 address)199 static inline u64 cl_offset(u64 address)
200 {
201 	/* return the cacheline of the address */
202 	return (address & (cacheline_size() - 1));
203 }
204 
205 enum sort_mode {
206 	SORT_MODE__NORMAL,
207 	SORT_MODE__BRANCH,
208 	SORT_MODE__MEMORY,
209 	SORT_MODE__TOP,
210 	SORT_MODE__DIFF,
211 	SORT_MODE__TRACEPOINT,
212 };
213 
214 enum sort_type {
215 	/* common sort keys */
216 	SORT_PID,
217 	SORT_COMM,
218 	SORT_DSO,
219 	SORT_SYM,
220 	SORT_PARENT,
221 	SORT_CPU,
222 	SORT_SOCKET,
223 	SORT_SRCLINE,
224 	SORT_SRCFILE,
225 	SORT_LOCAL_WEIGHT,
226 	SORT_GLOBAL_WEIGHT,
227 	SORT_TRANSACTION,
228 	SORT_TRACE,
229 	SORT_SYM_SIZE,
230 	SORT_DSO_SIZE,
231 	SORT_CGROUP_ID,
232 
233 	/* branch stack specific sort keys */
234 	__SORT_BRANCH_STACK,
235 	SORT_DSO_FROM = __SORT_BRANCH_STACK,
236 	SORT_DSO_TO,
237 	SORT_SYM_FROM,
238 	SORT_SYM_TO,
239 	SORT_MISPREDICT,
240 	SORT_ABORT,
241 	SORT_IN_TX,
242 	SORT_CYCLES,
243 	SORT_SRCLINE_FROM,
244 	SORT_SRCLINE_TO,
245 
246 	/* memory mode specific sort keys */
247 	__SORT_MEMORY_MODE,
248 	SORT_MEM_DADDR_SYMBOL = __SORT_MEMORY_MODE,
249 	SORT_MEM_DADDR_DSO,
250 	SORT_MEM_LOCKED,
251 	SORT_MEM_TLB,
252 	SORT_MEM_LVL,
253 	SORT_MEM_SNOOP,
254 	SORT_MEM_DCACHELINE,
255 	SORT_MEM_IADDR_SYMBOL,
256 	SORT_MEM_PHYS_DADDR,
257 };
258 
259 /*
260  * configurable sorting bits
261  */
262 
263 struct sort_entry {
264 	const char *se_header;
265 
266 	int64_t (*se_cmp)(struct hist_entry *, struct hist_entry *);
267 	int64_t (*se_collapse)(struct hist_entry *, struct hist_entry *);
268 	int64_t	(*se_sort)(struct hist_entry *, struct hist_entry *);
269 	int	(*se_snprintf)(struct hist_entry *he, char *bf, size_t size,
270 			       unsigned int width);
271 	int	(*se_filter)(struct hist_entry *he, int type, const void *arg);
272 	u8	se_width_idx;
273 };
274 
275 extern struct sort_entry sort_thread;
276 extern struct list_head hist_entry__sort_list;
277 
278 struct perf_evlist;
279 struct tep_handle;
280 int setup_sorting(struct perf_evlist *evlist);
281 int setup_output_field(void);
282 void reset_output_field(void);
283 void sort__setup_elide(FILE *fp);
284 void perf_hpp__set_elide(int idx, bool elide);
285 
286 int report_parse_ignore_callees_opt(const struct option *opt, const char *arg, int unset);
287 
288 bool is_strict_order(const char *order);
289 
290 int hpp_dimension__add_output(unsigned col);
291 void reset_dimensions(void);
292 int sort_dimension__add(struct perf_hpp_list *list, const char *tok,
293 			struct perf_evlist *evlist,
294 			int level);
295 int output_field_add(struct perf_hpp_list *list, char *tok);
296 int64_t
297 sort__iaddr_cmp(struct hist_entry *left, struct hist_entry *right);
298 int64_t
299 sort__daddr_cmp(struct hist_entry *left, struct hist_entry *right);
300 int64_t
301 sort__dcacheline_cmp(struct hist_entry *left, struct hist_entry *right);
302 char *hist_entry__srcline(struct hist_entry *he);
303 #endif	/* __PERF_SORT_H */
304