xref: /openbmc/linux/tools/perf/util/sort.h (revision 55fd7e02)
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 	u64			weight;
53 	u32			nr_events;
54 };
55 
56 struct namespace_id {
57 	u64			dev;
58 	u64			ino;
59 };
60 
61 struct hist_entry_diff {
62 	bool	computed;
63 	union {
64 		/* PERF_HPP__DELTA */
65 		double	period_ratio_delta;
66 
67 		/* PERF_HPP__RATIO */
68 		double	period_ratio;
69 
70 		/* HISTC_WEIGHTED_DIFF */
71 		s64	wdiff;
72 
73 		/* PERF_HPP_DIFF__CYCLES */
74 		s64	cycles;
75 	};
76 	struct stats	stats;
77 	unsigned long	svals[NUM_SPARKS];
78 };
79 
80 struct hist_entry_ops {
81 	void	*(*new)(size_t size);
82 	void	(*free)(void *ptr);
83 };
84 
85 /**
86  * struct hist_entry - histogram entry
87  *
88  * @row_offset - offset from the first callchain expanded to appear on screen
89  * @nr_rows - rows expanded in callchain, recalculated on folding/unfolding
90  */
91 struct hist_entry {
92 	struct rb_node		rb_node_in;
93 	struct rb_node		rb_node;
94 	union {
95 		struct list_head node;
96 		struct list_head head;
97 	} pairs;
98 	struct he_stat		stat;
99 	struct he_stat		*stat_acc;
100 	struct map_symbol	ms;
101 	struct thread		*thread;
102 	struct comm		*comm;
103 	struct namespace_id	cgroup_id;
104 	u64			cgroup;
105 	u64			ip;
106 	u64			transaction;
107 	s32			socket;
108 	s32			cpu;
109 	u8			cpumode;
110 	u8			depth;
111 
112 	/* We are added by hists__add_dummy_entry. */
113 	bool			dummy;
114 	bool			leaf;
115 
116 	char			level;
117 	u8			filtered;
118 
119 	u16			callchain_size;
120 	union {
121 		/*
122 		 * Since perf diff only supports the stdio output, TUI
123 		 * fields are only accessed from perf report (or perf
124 		 * top).  So make it a union to reduce memory usage.
125 		 */
126 		struct hist_entry_diff	diff;
127 		struct /* for TUI */ {
128 			u16	row_offset;
129 			u16	nr_rows;
130 			bool	init_have_children;
131 			bool	unfolded;
132 			bool	has_children;
133 			bool	has_no_entry;
134 		};
135 	};
136 	char			*srcline;
137 	char			*srcfile;
138 	struct symbol		*parent;
139 	struct branch_info	*branch_info;
140 	long			time;
141 	struct hists		*hists;
142 	struct mem_info		*mem_info;
143 	struct block_info	*block_info;
144 	void			*raw_data;
145 	u32			raw_size;
146 	int			num_res;
147 	struct res_sample	*res_samples;
148 	void			*trace_output;
149 	struct perf_hpp_list	*hpp_list;
150 	struct hist_entry	*parent_he;
151 	struct hist_entry_ops	*ops;
152 	union {
153 		/* this is for hierarchical entry structure */
154 		struct {
155 			struct rb_root_cached	hroot_in;
156 			struct rb_root_cached   hroot_out;
157 		};				/* non-leaf entries */
158 		struct rb_root	sorted_chain;	/* leaf entry has callchains */
159 	};
160 	struct callchain_root	callchain[0]; /* must be last member */
161 };
162 
163 static __pure inline bool hist_entry__has_callchains(struct hist_entry *he)
164 {
165 	return he->callchain_size != 0;
166 }
167 
168 int hist_entry__sym_snprintf(struct hist_entry *he, char *bf, size_t size, unsigned int width);
169 
170 static inline bool hist_entry__has_pairs(struct hist_entry *he)
171 {
172 	return !list_empty(&he->pairs.node);
173 }
174 
175 static inline struct hist_entry *hist_entry__next_pair(struct hist_entry *he)
176 {
177 	if (hist_entry__has_pairs(he))
178 		return list_entry(he->pairs.node.next, struct hist_entry, pairs.node);
179 	return NULL;
180 }
181 
182 static inline void hist_entry__add_pair(struct hist_entry *pair,
183 					struct hist_entry *he)
184 {
185 	list_add_tail(&pair->pairs.node, &he->pairs.head);
186 }
187 
188 static inline float hist_entry__get_percent_limit(struct hist_entry *he)
189 {
190 	u64 period = he->stat.period;
191 	u64 total_period = hists__total_period(he->hists);
192 
193 	if (unlikely(total_period == 0))
194 		return 0;
195 
196 	if (symbol_conf.cumulate_callchain)
197 		period = he->stat_acc->period;
198 
199 	return period * 100.0 / total_period;
200 }
201 
202 enum sort_mode {
203 	SORT_MODE__NORMAL,
204 	SORT_MODE__BRANCH,
205 	SORT_MODE__MEMORY,
206 	SORT_MODE__TOP,
207 	SORT_MODE__DIFF,
208 	SORT_MODE__TRACEPOINT,
209 };
210 
211 enum sort_type {
212 	/* common sort keys */
213 	SORT_PID,
214 	SORT_COMM,
215 	SORT_DSO,
216 	SORT_SYM,
217 	SORT_PARENT,
218 	SORT_CPU,
219 	SORT_SOCKET,
220 	SORT_SRCLINE,
221 	SORT_SRCFILE,
222 	SORT_LOCAL_WEIGHT,
223 	SORT_GLOBAL_WEIGHT,
224 	SORT_TRANSACTION,
225 	SORT_TRACE,
226 	SORT_SYM_SIZE,
227 	SORT_DSO_SIZE,
228 	SORT_CGROUP,
229 	SORT_CGROUP_ID,
230 	SORT_SYM_IPC_NULL,
231 	SORT_TIME,
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 	SORT_SYM_IPC,
246 
247 	/* memory mode specific sort keys */
248 	__SORT_MEMORY_MODE,
249 	SORT_MEM_DADDR_SYMBOL = __SORT_MEMORY_MODE,
250 	SORT_MEM_DADDR_DSO,
251 	SORT_MEM_LOCKED,
252 	SORT_MEM_TLB,
253 	SORT_MEM_LVL,
254 	SORT_MEM_SNOOP,
255 	SORT_MEM_DCACHELINE,
256 	SORT_MEM_IADDR_SYMBOL,
257 	SORT_MEM_PHYS_DADDR,
258 };
259 
260 /*
261  * configurable sorting bits
262  */
263 
264 struct sort_entry {
265 	const char *se_header;
266 
267 	int64_t (*se_cmp)(struct hist_entry *, struct hist_entry *);
268 	int64_t (*se_collapse)(struct hist_entry *, struct hist_entry *);
269 	int64_t	(*se_sort)(struct hist_entry *, struct hist_entry *);
270 	int	(*se_snprintf)(struct hist_entry *he, char *bf, size_t size,
271 			       unsigned int width);
272 	int	(*se_filter)(struct hist_entry *he, int type, const void *arg);
273 	u8	se_width_idx;
274 };
275 
276 struct block_hist {
277 	struct hists		block_hists;
278 	struct perf_hpp_list	block_list;
279 	struct perf_hpp_fmt	block_fmt;
280 	int			block_idx;
281 	bool			valid;
282 	struct hist_entry	he;
283 };
284 
285 extern struct sort_entry sort_thread;
286 extern struct list_head hist_entry__sort_list;
287 
288 struct evlist;
289 struct tep_handle;
290 int setup_sorting(struct evlist *evlist);
291 int setup_output_field(void);
292 void reset_output_field(void);
293 void sort__setup_elide(FILE *fp);
294 void perf_hpp__set_elide(int idx, bool elide);
295 
296 const char *sort_help(const char *prefix);
297 
298 int report_parse_ignore_callees_opt(const struct option *opt, const char *arg, int unset);
299 
300 bool is_strict_order(const char *order);
301 
302 int hpp_dimension__add_output(unsigned col);
303 void reset_dimensions(void);
304 int sort_dimension__add(struct perf_hpp_list *list, const char *tok,
305 			struct evlist *evlist,
306 			int level);
307 int output_field_add(struct perf_hpp_list *list, char *tok);
308 int64_t
309 sort__iaddr_cmp(struct hist_entry *left, struct hist_entry *right);
310 int64_t
311 sort__daddr_cmp(struct hist_entry *left, struct hist_entry *right);
312 int64_t
313 sort__dcacheline_cmp(struct hist_entry *left, struct hist_entry *right);
314 int64_t
315 _sort__sym_cmp(struct symbol *sym_l, struct symbol *sym_r);
316 char *hist_entry__srcline(struct hist_entry *he);
317 #endif	/* __PERF_SORT_H */
318