tools/perf/util/sort.h

   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 "parse-options.h"
  22 #include "parse-events.h"
  23
  24 #include "thread.h"
  25 #include "sort.h"
  26
  27 extern regex_t parent_regex;
  28 extern const char *sort_order;
  29 extern const char default_parent_pattern[];
  30 extern const char *parent_pattern;
  31 extern const char default_sort_order[];
  32 extern int sort__need_collapse;
  33 extern int sort__has_parent;
  34 extern int sort__has_sym;
  35 extern int sort__branch_mode;
  36 extern struct sort_entry sort_comm;
  37 extern struct sort_entry sort_dso;
  38 extern struct sort_entry sort_sym;
  39 extern struct sort_entry sort_parent;
  40 extern struct sort_entry sort_dso_from;
  41 extern struct sort_entry sort_dso_to;
  42 extern struct sort_entry sort_sym_from;
  43 extern struct sort_entry sort_sym_to;
  44 extern enum sort_type sort__first_dimension;
  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 hist_entry_diff {
  56         bool    computed;
  57
  58         /* PERF_HPP__DELTA */
  59         double  period_ratio_delta;
  60
  61         /* PERF_HPP__RATIO */
  62         double  period_ratio;
  63
  64         /* HISTC_WEIGHTED_DIFF */
  65         s64     wdiff;
  66 };
  67
  68 /**
  69  * struct hist_entry - histogram entry
  70  *
  71  * @row_offset - offset from the first callchain expanded to appear on screen
  72  * @nr_rows - rows expanded in callchain, recalculated on folding/unfolding
  73  */
  74 struct hist_entry {
  75         struct rb_node          rb_node_in;
  76         struct rb_node          rb_node;
  77         union {
  78                 struct list_head node;
  79                 struct list_head head;
  80         } pairs;
  81         struct he_stat          stat;
  82         struct map_symbol       ms;
  83         struct thread           *thread;
  84         u64                     ip;
  85         s32                     cpu;
  86
  87         struct hist_entry_diff  diff;
  88
  89         /* XXX These two should move to some tree widget lib */
  90         u16                     row_offset;
  91         u16                     nr_rows;
  92
  93         bool                    init_have_children;
  94         char                    level;
  95         bool                    used;
  96         u8                      filtered;
  97         char                    *srcline;
  98         struct symbol           *parent;
  99         unsigned long           position;
 100         struct rb_root          sorted_chain;
 101         struct branch_info      *branch_info;
 102         struct hists            *hists;
 103         struct callchain_root   callchain[0];
 104 };
 105
 106 static inline bool hist_entry__has_pairs(struct hist_entry *he)
 107 {
 108         return !list_empty(&he->pairs.node);
 109 }
 110
 111 static inline struct hist_entry *hist_entry__next_pair(struct hist_entry *he)
 112 {
 113         if (hist_entry__has_pairs(he))
 114                 return list_entry(he->pairs.node.next, struct hist_entry, pairs.node);
 115         return NULL;
 116 }
 117
 118 static inline void hist_entry__add_pair(struct hist_entry *he,
 119                                         struct hist_entry *pair)
 120 {
 121         list_add_tail(&he->pairs.head, &pair->pairs.node);
 122 }
 123
 124 enum sort_type {
 125         /* common sort keys */
 126         SORT_PID,
 127         SORT_COMM,
 128         SORT_DSO,
 129         SORT_SYM,
 130         SORT_PARENT,
 131         SORT_CPU,
 132         SORT_SRCLINE,
 133
 134         /* branch stack specific sort keys */
 135         __SORT_BRANCH_STACK,
 136         SORT_DSO_FROM = __SORT_BRANCH_STACK,
 137         SORT_DSO_TO,
 138         SORT_SYM_FROM,
 139         SORT_SYM_TO,
 140         SORT_MISPREDICT,
 141 };
 142
 143 /*
 144  * configurable sorting bits
 145  */
 146
 147 struct sort_entry {
 148         struct list_head list;
 149
 150         const char *se_header;
 151
 152         int64_t (*se_cmp)(struct hist_entry *, struct hist_entry *);
 153         int64_t (*se_collapse)(struct hist_entry *, struct hist_entry *);
 154         int     (*se_snprintf)(struct hist_entry *self, char *bf, size_t size,
 155                                unsigned int width);
 156         u8      se_width_idx;
 157         bool    elide;
 158 };
 159
 160 extern struct sort_entry sort_thread;
 161 extern struct list_head hist_entry__sort_list;
 162
 163 int setup_sorting(void);
 164 extern int sort_dimension__add(const char *);
 165 void sort_entry__setup_elide(struct sort_entry *self, struct strlist *list,
 166                              const char *list_name, FILE *fp);
 167
 168 #endif  /* __PERF_SORT_H */