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         u64                     weight;
  53         u32                     nr_events;
  54 };
  55
  56 struct hist_entry_diff {
  57         bool    computed;
  58
  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 - histogram entry
  71  *
  72  * @row_offset - offset from the first callchain expanded to appear on screen
  73  * @nr_rows - rows expanded in callchain, recalculated on folding/unfolding
  74  */
  75 struct hist_entry {
  76         struct rb_node          rb_node_in;
  77         struct rb_node          rb_node;
  78         union {
  79                 struct list_head node;
  80                 struct list_head head;
  81         } pairs;
  82         struct he_stat          stat;
  83         struct map_symbol       ms;
  84         struct thread           *thread;
  85         u64                     ip;
  86         s32                     cpu;
  87
  88         struct hist_entry_diff  diff;
  89
  90         /* XXX These two should move to some tree widget lib */
  91         u16                     row_offset;
  92         u16                     nr_rows;
  93
  94         bool                    init_have_children;
  95         char                    level;
  96         bool                    used;
  97         u8                      filtered;
  98         char                    *srcline;
  99         struct symbol           *parent;
 100         unsigned long           position;
 101         struct rb_root          sorted_chain;
 102         struct branch_info      *branch_info;
 103         struct hists            *hists;
 104         struct callchain_root   callchain[0];
 105 };
 106
 107 static inline bool hist_entry__has_pairs(struct hist_entry *he)
 108 {
 109         return !list_empty(&he->pairs.node);
 110 }
 111
 112 static inline struct hist_entry *hist_entry__next_pair(struct hist_entry *he)
 113 {
 114         if (hist_entry__has_pairs(he))
 115                 return list_entry(he->pairs.node.next, struct hist_entry, pairs.node);
 116         return NULL;
 117 }
 118
 119 static inline void hist_entry__add_pair(struct hist_entry *he,
 120                                         struct hist_entry *pair)
 121 {
 122         list_add_tail(&he->pairs.head, &pair->pairs.node);
 123 }
 124
 125 enum sort_type {
 126         /* common sort keys */
 127         SORT_PID,
 128         SORT_COMM,
 129         SORT_DSO,
 130         SORT_SYM,
 131         SORT_PARENT,
 132         SORT_CPU,
 133         SORT_SRCLINE,
 134         SORT_LOCAL_WEIGHT,
 135         SORT_GLOBAL_WEIGHT,
 136
 137         /* branch stack specific sort keys */
 138         __SORT_BRANCH_STACK,
 139         SORT_DSO_FROM = __SORT_BRANCH_STACK,
 140         SORT_DSO_TO,
 141         SORT_SYM_FROM,
 142         SORT_SYM_TO,
 143         SORT_MISPREDICT,
 144 };
 145
 146 /*
 147  * configurable sorting bits
 148  */
 149
 150 struct sort_entry {
 151         struct list_head list;
 152
 153         const char *se_header;
 154
 155         int64_t (*se_cmp)(struct hist_entry *, struct hist_entry *);
 156         int64_t (*se_collapse)(struct hist_entry *, struct hist_entry *);
 157         int     (*se_snprintf)(struct hist_entry *self, char *bf, size_t size,
 158                                unsigned int width);
 159         u8      se_width_idx;
 160         bool    elide;
 161 };
 162
 163 extern struct sort_entry sort_thread;
 164 extern struct list_head hist_entry__sort_list;
 165
 166 int setup_sorting(void);
 167 extern int sort_dimension__add(const char *);
 168 void sort_entry__setup_elide(struct sort_entry *self, struct strlist *list,
 169                              const char *list_name, FILE *fp);
 170
 171 #endif  /* __PERF_SORT_H */