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1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __PERF_SORT_H
3 #define __PERF_SORT_H
4 #include <regex.h>
5 #include <stdbool.h>
6 #include <linux/list.h>
7 #include <linux/rbtree.h>
8 #include "map_symbol.h"
9 #include "symbol_conf.h"
10 #include "callchain.h"
11 #include "values.h"
12 #include "hist.h"
13 #include "stat.h"
14 #include "spark.h"
15 
16 struct option;
17 struct thread;
18 
19 extern regex_t parent_regex;
20 extern const char *sort_order;
21 extern const char *field_order;
22 extern const char default_parent_pattern[];
23 extern const char *parent_pattern;
24 extern const char *default_sort_order;
25 extern regex_t ignore_callees_regex;
26 extern int have_ignore_callees;
27 extern enum sort_mode sort__mode;
28 extern struct sort_entry sort_comm;
29 extern struct sort_entry sort_dso;
30 extern struct sort_entry sort_sym;
31 extern struct sort_entry sort_parent;
32 extern struct sort_entry sort_dso_from;
33 extern struct sort_entry sort_dso_to;
34 extern struct sort_entry sort_sym_from;
35 extern struct sort_entry sort_sym_to;
36 extern struct sort_entry sort_srcline;
37 extern enum sort_type sort__first_dimension;
38 extern const char default_mem_sort_order[];
39 
40 struct res_sample {
41 	u64 time;
42 	int cpu;
43 	int tid;
44 };
45 
46 struct 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 
55 struct namespace_id {
56 	u64			dev;
57 	u64			ino;
58 };
59 
60 struct hist_entry_diff {
61 	bool	computed;
62 	union {
63 		/* PERF_HPP__DELTA */
64 		double	period_ratio_delta;
65 
66 		/* PERF_HPP__RATIO */
67 		double	period_ratio;
68 
69 		/* HISTC_WEIGHTED_DIFF */
70 		s64	wdiff;
71 
72 		/* PERF_HPP_DIFF__CYCLES */
73 		s64	cycles;
74 	};
75 	struct stats	stats;
76 	unsigned long	svals[NUM_SPARKS];
77 };
78 
79 struct hist_entry_ops {
80 	void	*(*new)(size_t size);
81 	void	(*free)(void *ptr);
82 };
83 
84 /**
85  * struct hist_entry - histogram entry
86  *
87  * @row_offset - offset from the first callchain expanded to appear on screen
88  * @nr_rows - rows expanded in callchain, recalculated on folding/unfolding
89  */
90 struct hist_entry {
91 	struct rb_node		rb_node_in;
92 	struct rb_node		rb_node;
93 	union {
94 		struct list_head node;
95 		struct list_head head;
96 	} pairs;
97 	struct he_stat		stat;
98 	struct he_stat		*stat_acc;
99 	struct map_symbol	ms;
100 	struct thread		*thread;
101 	struct comm		*comm;
102 	struct namespace_id	cgroup_id;
103 	u64			cgroup;
104 	u64			ip;
105 	u64			transaction;
106 	s32			socket;
107 	s32			cpu;
108 	u64			code_page_size;
109 	u64			weight;
110 	u64			ins_lat;
111 	u64			p_stage_cyc;
112 	u8			cpumode;
113 	u8			depth;
114 
115 	/* We are added by hists__add_dummy_entry. */
116 	bool			dummy;
117 	bool			leaf;
118 
119 	char			level;
120 	u8			filtered;
121 
122 	u16			callchain_size;
123 	union {
124 		/*
125 		 * Since perf diff only supports the stdio output, TUI
126 		 * fields are only accessed from perf report (or perf
127 		 * top).  So make it a union to reduce memory usage.
128 		 */
129 		struct hist_entry_diff	diff;
130 		struct /* for TUI */ {
131 			u16	row_offset;
132 			u16	nr_rows;
133 			bool	init_have_children;
134 			bool	unfolded;
135 			bool	has_children;
136 			bool	has_no_entry;
137 		};
138 	};
139 	char			*srcline;
140 	char			*srcfile;
141 	struct symbol		*parent;
142 	struct branch_info	*branch_info;
143 	long			time;
144 	struct hists		*hists;
145 	struct mem_info		*mem_info;
146 	struct block_info	*block_info;
147 	void			*raw_data;
148 	u32			raw_size;
149 	int			num_res;
150 	struct res_sample	*res_samples;
151 	void			*trace_output;
152 	struct perf_hpp_list	*hpp_list;
153 	struct hist_entry	*parent_he;
154 	struct hist_entry_ops	*ops;
155 	union {
156 		/* this is for hierarchical entry structure */
157 		struct {
158 			struct rb_root_cached	hroot_in;
159 			struct rb_root_cached   hroot_out;
160 		};				/* non-leaf entries */
161 		struct rb_root	sorted_chain;	/* leaf entry has callchains */
162 	};
163 	struct callchain_root	callchain[0]; /* must be last member */
164 };
165 
hist_entry__has_callchains(struct hist_entry * he)166 static __pure inline bool hist_entry__has_callchains(struct hist_entry *he)
167 {
168 	return he->callchain_size != 0;
169 }
170 
171 int hist_entry__sym_snprintf(struct hist_entry *he, char *bf, size_t size, unsigned int width);
172 
hist_entry__has_pairs(struct hist_entry * he)173 static inline bool hist_entry__has_pairs(struct hist_entry *he)
174 {
175 	return !list_empty(&he->pairs.node);
176 }
177 
hist_entry__next_pair(struct hist_entry * he)178 static inline struct hist_entry *hist_entry__next_pair(struct hist_entry *he)
179 {
180 	if (hist_entry__has_pairs(he))
181 		return list_entry(he->pairs.node.next, struct hist_entry, pairs.node);
182 	return NULL;
183 }
184 
hist_entry__add_pair(struct hist_entry * pair,struct hist_entry * he)185 static inline void hist_entry__add_pair(struct hist_entry *pair,
186 					struct hist_entry *he)
187 {
188 	list_add_tail(&pair->pairs.node, &he->pairs.head);
189 }
190 
hist_entry__get_percent_limit(struct hist_entry * he)191 static inline float hist_entry__get_percent_limit(struct hist_entry *he)
192 {
193 	u64 period = he->stat.period;
194 	u64 total_period = hists__total_period(he->hists);
195 
196 	if (unlikely(total_period == 0))
197 		return 0;
198 
199 	if (symbol_conf.cumulate_callchain)
200 		period = he->stat_acc->period;
201 
202 	return period * 100.0 / total_period;
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,
232 	SORT_CGROUP_ID,
233 	SORT_SYM_IPC_NULL,
234 	SORT_TIME,
235 	SORT_CODE_PAGE_SIZE,
236 	SORT_LOCAL_INS_LAT,
237 	SORT_GLOBAL_INS_LAT,
238 	SORT_PIPELINE_STAGE_CYC,
239 
240 	/* branch stack specific sort keys */
241 	__SORT_BRANCH_STACK,
242 	SORT_DSO_FROM = __SORT_BRANCH_STACK,
243 	SORT_DSO_TO,
244 	SORT_SYM_FROM,
245 	SORT_SYM_TO,
246 	SORT_MISPREDICT,
247 	SORT_ABORT,
248 	SORT_IN_TX,
249 	SORT_CYCLES,
250 	SORT_SRCLINE_FROM,
251 	SORT_SRCLINE_TO,
252 	SORT_SYM_IPC,
253 
254 	/* memory mode specific sort keys */
255 	__SORT_MEMORY_MODE,
256 	SORT_MEM_DADDR_SYMBOL = __SORT_MEMORY_MODE,
257 	SORT_MEM_DADDR_DSO,
258 	SORT_MEM_LOCKED,
259 	SORT_MEM_TLB,
260 	SORT_MEM_LVL,
261 	SORT_MEM_SNOOP,
262 	SORT_MEM_DCACHELINE,
263 	SORT_MEM_IADDR_SYMBOL,
264 	SORT_MEM_PHYS_DADDR,
265 	SORT_MEM_DATA_PAGE_SIZE,
266 	SORT_MEM_BLOCKED,
267 };
268 
269 /*
270  * configurable sorting bits
271  */
272 
273 struct sort_entry {
274 	const char *se_header;
275 
276 	int64_t (*se_cmp)(struct hist_entry *, struct hist_entry *);
277 	int64_t (*se_collapse)(struct hist_entry *, struct hist_entry *);
278 	int64_t	(*se_sort)(struct hist_entry *, struct hist_entry *);
279 	int	(*se_snprintf)(struct hist_entry *he, char *bf, size_t size,
280 			       unsigned int width);
281 	int	(*se_filter)(struct hist_entry *he, int type, const void *arg);
282 	u8	se_width_idx;
283 };
284 
285 struct block_hist {
286 	struct hists		block_hists;
287 	struct perf_hpp_list	block_list;
288 	struct perf_hpp_fmt	block_fmt;
289 	int			block_idx;
290 	bool			valid;
291 	struct hist_entry	he;
292 };
293 
294 extern struct sort_entry sort_thread;
295 extern struct list_head hist_entry__sort_list;
296 
297 struct evlist;
298 struct tep_handle;
299 int setup_sorting(struct evlist *evlist);
300 int setup_output_field(void);
301 void reset_output_field(void);
302 void sort__setup_elide(FILE *fp);
303 void perf_hpp__set_elide(int idx, bool elide);
304 
305 char *sort_help(const char *prefix);
306 
307 int report_parse_ignore_callees_opt(const struct option *opt, const char *arg, int unset);
308 
309 bool is_strict_order(const char *order);
310 
311 int hpp_dimension__add_output(unsigned col);
312 void reset_dimensions(void);
313 int sort_dimension__add(struct perf_hpp_list *list, const char *tok,
314 			struct evlist *evlist,
315 			int level);
316 int output_field_add(struct perf_hpp_list *list, char *tok);
317 int64_t
318 sort__iaddr_cmp(struct hist_entry *left, struct hist_entry *right);
319 int64_t
320 sort__daddr_cmp(struct hist_entry *left, struct hist_entry *right);
321 int64_t
322 sort__dcacheline_cmp(struct hist_entry *left, struct hist_entry *right);
323 int64_t
324 _sort__sym_cmp(struct symbol *sym_l, struct symbol *sym_r);
325 char *hist_entry__srcline(struct hist_entry *he);
326 #endif	/* __PERF_SORT_H */
327