xref: /openbmc/linux/tools/perf/util/sort.h (revision bc5aa3a0)
1 #ifndef __PERF_SORT_H
2 #define __PERF_SORT_H
3 #include "../builtin.h"
4 
5 #include "util.h"
6 
7 #include "color.h"
8 #include <linux/list.h>
9 #include "cache.h"
10 #include <linux/rbtree.h>
11 #include "symbol.h"
12 #include "string.h"
13 #include "callchain.h"
14 #include "strlist.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 "thread.h"
25 
26 extern regex_t parent_regex;
27 extern const char *sort_order;
28 extern const char *field_order;
29 extern const char default_parent_pattern[];
30 extern const char *parent_pattern;
31 extern const char default_sort_order[];
32 extern regex_t ignore_callees_regex;
33 extern int have_ignore_callees;
34 extern enum sort_mode sort__mode;
35 extern struct sort_entry sort_comm;
36 extern struct sort_entry sort_dso;
37 extern struct sort_entry sort_sym;
38 extern struct sort_entry sort_parent;
39 extern struct sort_entry sort_dso_from;
40 extern struct sort_entry sort_dso_to;
41 extern struct sort_entry sort_sym_from;
42 extern struct sort_entry sort_sym_to;
43 extern enum sort_type sort__first_dimension;
44 extern const char default_mem_sort_order[];
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 hist_entry_diff {
57 	bool	computed;
58 	union {
59 		/* PERF_HPP__DELTA */
60 		double	period_ratio_delta;
61 
62 		/* PERF_HPP__RATIO */
63 		double	period_ratio;
64 
65 		/* HISTC_WEIGHTED_DIFF */
66 		s64	wdiff;
67 	};
68 };
69 
70 struct hist_entry_ops {
71 	void	*(*new)(size_t size);
72 	void	(*free)(void *ptr);
73 };
74 
75 /**
76  * struct hist_entry - histogram entry
77  *
78  * @row_offset - offset from the first callchain expanded to appear on screen
79  * @nr_rows - rows expanded in callchain, recalculated on folding/unfolding
80  */
81 struct hist_entry {
82 	struct rb_node		rb_node_in;
83 	struct rb_node		rb_node;
84 	union {
85 		struct list_head node;
86 		struct list_head head;
87 	} pairs;
88 	struct he_stat		stat;
89 	struct he_stat		*stat_acc;
90 	struct map_symbol	ms;
91 	struct thread		*thread;
92 	struct comm		*comm;
93 	u64			ip;
94 	u64			transaction;
95 	s32			socket;
96 	s32			cpu;
97 	u8			cpumode;
98 	u8			depth;
99 
100 	/* We are added by hists__add_dummy_entry. */
101 	bool			dummy;
102 	bool			leaf;
103 
104 	char			level;
105 	u8			filtered;
106 	union {
107 		/*
108 		 * Since perf diff only supports the stdio output, TUI
109 		 * fields are only accessed from perf report (or perf
110 		 * top).  So make it an union to reduce memory usage.
111 		 */
112 		struct hist_entry_diff	diff;
113 		struct /* for TUI */ {
114 			u16	row_offset;
115 			u16	nr_rows;
116 			bool	init_have_children;
117 			bool	unfolded;
118 			bool	has_children;
119 			bool	has_no_entry;
120 		};
121 	};
122 	char			*srcline;
123 	char			*srcfile;
124 	struct symbol		*parent;
125 	struct branch_info	*branch_info;
126 	struct hists		*hists;
127 	struct mem_info		*mem_info;
128 	void			*raw_data;
129 	u32			raw_size;
130 	void			*trace_output;
131 	struct perf_hpp_list	*hpp_list;
132 	struct hist_entry	*parent_he;
133 	struct hist_entry_ops	*ops;
134 	union {
135 		/* this is for hierarchical entry structure */
136 		struct {
137 			struct rb_root	hroot_in;
138 			struct rb_root  hroot_out;
139 		};				/* non-leaf entries */
140 		struct rb_root	sorted_chain;	/* leaf entry has callchains */
141 	};
142 	struct callchain_root	callchain[0]; /* must be last member */
143 };
144 
145 static inline bool hist_entry__has_pairs(struct hist_entry *he)
146 {
147 	return !list_empty(&he->pairs.node);
148 }
149 
150 static inline struct hist_entry *hist_entry__next_pair(struct hist_entry *he)
151 {
152 	if (hist_entry__has_pairs(he))
153 		return list_entry(he->pairs.node.next, struct hist_entry, pairs.node);
154 	return NULL;
155 }
156 
157 static inline void hist_entry__add_pair(struct hist_entry *pair,
158 					struct hist_entry *he)
159 {
160 	list_add_tail(&pair->pairs.node, &he->pairs.head);
161 }
162 
163 static inline float hist_entry__get_percent_limit(struct hist_entry *he)
164 {
165 	u64 period = he->stat.period;
166 	u64 total_period = hists__total_period(he->hists);
167 
168 	if (unlikely(total_period == 0))
169 		return 0;
170 
171 	if (symbol_conf.cumulate_callchain)
172 		period = he->stat_acc->period;
173 
174 	return period * 100.0 / total_period;
175 }
176 
177 static inline u64 cl_address(u64 address)
178 {
179 	/* return the cacheline of the address */
180 	return (address & ~(cacheline_size - 1));
181 }
182 
183 static inline u64 cl_offset(u64 address)
184 {
185 	/* return the cacheline of the address */
186 	return (address & (cacheline_size - 1));
187 }
188 
189 enum sort_mode {
190 	SORT_MODE__NORMAL,
191 	SORT_MODE__BRANCH,
192 	SORT_MODE__MEMORY,
193 	SORT_MODE__TOP,
194 	SORT_MODE__DIFF,
195 	SORT_MODE__TRACEPOINT,
196 };
197 
198 enum sort_type {
199 	/* common sort keys */
200 	SORT_PID,
201 	SORT_COMM,
202 	SORT_DSO,
203 	SORT_SYM,
204 	SORT_PARENT,
205 	SORT_CPU,
206 	SORT_SOCKET,
207 	SORT_SRCLINE,
208 	SORT_SRCFILE,
209 	SORT_LOCAL_WEIGHT,
210 	SORT_GLOBAL_WEIGHT,
211 	SORT_TRANSACTION,
212 	SORT_TRACE,
213 
214 	/* branch stack specific sort keys */
215 	__SORT_BRANCH_STACK,
216 	SORT_DSO_FROM = __SORT_BRANCH_STACK,
217 	SORT_DSO_TO,
218 	SORT_SYM_FROM,
219 	SORT_SYM_TO,
220 	SORT_MISPREDICT,
221 	SORT_ABORT,
222 	SORT_IN_TX,
223 	SORT_CYCLES,
224 	SORT_SRCLINE_FROM,
225 	SORT_SRCLINE_TO,
226 
227 	/* memory mode specific sort keys */
228 	__SORT_MEMORY_MODE,
229 	SORT_MEM_DADDR_SYMBOL = __SORT_MEMORY_MODE,
230 	SORT_MEM_DADDR_DSO,
231 	SORT_MEM_LOCKED,
232 	SORT_MEM_TLB,
233 	SORT_MEM_LVL,
234 	SORT_MEM_SNOOP,
235 	SORT_MEM_DCACHELINE,
236 	SORT_MEM_IADDR_SYMBOL,
237 };
238 
239 /*
240  * configurable sorting bits
241  */
242 
243 struct sort_entry {
244 	const char *se_header;
245 
246 	int64_t (*se_cmp)(struct hist_entry *, struct hist_entry *);
247 	int64_t (*se_collapse)(struct hist_entry *, struct hist_entry *);
248 	int64_t	(*se_sort)(struct hist_entry *, struct hist_entry *);
249 	int	(*se_snprintf)(struct hist_entry *he, char *bf, size_t size,
250 			       unsigned int width);
251 	int	(*se_filter)(struct hist_entry *he, int type, const void *arg);
252 	u8	se_width_idx;
253 };
254 
255 extern struct sort_entry sort_thread;
256 extern struct list_head hist_entry__sort_list;
257 
258 struct perf_evlist;
259 struct pevent;
260 int setup_sorting(struct perf_evlist *evlist);
261 int setup_output_field(void);
262 void reset_output_field(void);
263 void sort__setup_elide(FILE *fp);
264 void perf_hpp__set_elide(int idx, bool elide);
265 
266 int report_parse_ignore_callees_opt(const struct option *opt, const char *arg, int unset);
267 
268 bool is_strict_order(const char *order);
269 
270 int hpp_dimension__add_output(unsigned col);
271 #endif	/* __PERF_SORT_H */
272