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 <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 int sort__need_collapse;
  35 extern int sort__has_parent;
  36 extern int sort__has_sym;
  37 extern int sort__has_socket;
  38 extern enum sort_mode sort__mode;
  39 extern struct sort_entry sort_comm;
  40 extern struct sort_entry sort_dso;
  41 extern struct sort_entry sort_sym;
  42 extern struct sort_entry sort_parent;
  43 extern struct sort_entry sort_dso_from;
  44 extern struct sort_entry sort_dso_to;
  45 extern struct sort_entry sort_sym_from;
  46 extern struct sort_entry sort_sym_to;
  47 extern enum sort_type sort__first_dimension;
  48 extern const char default_mem_sort_order[];
  49
  50 struct he_stat {
  51         u64                     period;
  52         u64                     period_sys;
  53         u64                     period_us;
  54         u64                     period_guest_sys;
  55         u64                     period_guest_us;
  56         u64                     weight;
  57         u32                     nr_events;
  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 };
  73
  74 /**
  75  * struct hist_entry - histogram entry
  76  *
  77  * @row_offset - offset from the first callchain expanded to appear on screen
  78  * @nr_rows - rows expanded in callchain, recalculated on folding/unfolding
  79  */
  80 struct hist_entry {
  81         struct rb_node          rb_node_in;
  82         struct rb_node          rb_node;
  83         union {
  84                 struct list_head node;
  85                 struct list_head head;
  86         } pairs;
  87         struct he_stat          stat;
  88         struct he_stat          *stat_acc;
  89         struct map_symbol       ms;
  90         struct thread           *thread;
  91         struct comm             *comm;
  92         u64                     ip;
  93         u64                     transaction;
  94         s32                     socket;
  95         s32                     cpu;
  96         u8                      cpumode;
  97
  98         /* We are added by hists__add_dummy_entry. */
  99         bool                    dummy;
 100
 101         char                    level;
 102         u8                      filtered;
 103         union {
 104                 /*
 105                  * Since perf diff only supports the stdio output, TUI
 106                  * fields are only accessed from perf report (or perf
 107                  * top).  So make it an union to reduce memory usage.
 108                  */
 109                 struct hist_entry_diff  diff;
 110                 struct /* for TUI */ {
 111                         u16     row_offset;
 112                         u16     nr_rows;
 113                         bool    init_have_children;
 114                         bool    unfolded;
 115                         bool    has_children;
 116                 };
 117         };
 118         char                    *srcline;
 119         char                    *srcfile;
 120         struct symbol           *parent;
 121         struct rb_root          sorted_chain;
 122         struct branch_info      *branch_info;
 123         struct hists            *hists;
 124         struct mem_info         *mem_info;
 125         void                    *raw_data;
 126         u32                     raw_size;
 127         void                    *trace_output;
 128         struct callchain_root   callchain[0]; /* must be last member */
 129 };
 130
 131 static inline bool hist_entry__has_pairs(struct hist_entry *he)
 132 {
 133         return !list_empty(&he->pairs.node);
 134 }
 135
 136 static inline struct hist_entry *hist_entry__next_pair(struct hist_entry *he)
 137 {
 138         if (hist_entry__has_pairs(he))
 139                 return list_entry(he->pairs.node.next, struct hist_entry, pairs.node);
 140         return NULL;
 141 }
 142
 143 static inline void hist_entry__add_pair(struct hist_entry *pair,
 144                                         struct hist_entry *he)
 145 {
 146         list_add_tail(&pair->pairs.node, &he->pairs.head);
 147 }
 148
 149 static inline float hist_entry__get_percent_limit(struct hist_entry *he)
 150 {
 151         u64 period = he->stat.period;
 152         u64 total_period = hists__total_period(he->hists);
 153
 154         if (unlikely(total_period == 0))
 155                 return 0;
 156
 157         if (symbol_conf.cumulate_callchain)
 158                 period = he->stat_acc->period;
 159
 160         return period * 100.0 / total_period;
 161 }
 162
 163
 164 enum sort_mode {
 165         SORT_MODE__NORMAL,
 166         SORT_MODE__BRANCH,
 167         SORT_MODE__MEMORY,
 168         SORT_MODE__TOP,
 169         SORT_MODE__DIFF,
 170         SORT_MODE__TRACEPOINT,
 171 };
 172
 173 enum sort_type {
 174         /* common sort keys */
 175         SORT_PID,
 176         SORT_COMM,
 177         SORT_DSO,
 178         SORT_SYM,
 179         SORT_PARENT,
 180         SORT_CPU,
 181         SORT_SOCKET,
 182         SORT_SRCLINE,
 183         SORT_SRCFILE,
 184         SORT_LOCAL_WEIGHT,
 185         SORT_GLOBAL_WEIGHT,
 186         SORT_TRANSACTION,
 187         SORT_TRACE,
 188
 189         /* branch stack specific sort keys */
 190         __SORT_BRANCH_STACK,
 191         SORT_DSO_FROM = __SORT_BRANCH_STACK,
 192         SORT_DSO_TO,
 193         SORT_SYM_FROM,
 194         SORT_SYM_TO,
 195         SORT_MISPREDICT,
 196         SORT_ABORT,
 197         SORT_IN_TX,
 198         SORT_CYCLES,
 199
 200         /* memory mode specific sort keys */
 201         __SORT_MEMORY_MODE,
 202         SORT_MEM_DADDR_SYMBOL = __SORT_MEMORY_MODE,
 203         SORT_MEM_DADDR_DSO,
 204         SORT_MEM_LOCKED,
 205         SORT_MEM_TLB,
 206         SORT_MEM_LVL,
 207         SORT_MEM_SNOOP,
 208         SORT_MEM_DCACHELINE,
 209         SORT_MEM_IADDR_SYMBOL,
 210 };
 211
 212 /*
 213  * configurable sorting bits
 214  */
 215
 216 struct sort_entry {
 217         const char *se_header;
 218
 219         int64_t (*se_cmp)(struct hist_entry *, struct hist_entry *);
 220         int64_t (*se_collapse)(struct hist_entry *, struct hist_entry *);
 221         int64_t (*se_sort)(struct hist_entry *, struct hist_entry *);
 222         int     (*se_snprintf)(struct hist_entry *he, char *bf, size_t size,
 223                                unsigned int width);
 224         u8      se_width_idx;
 225 };
 226
 227 extern struct sort_entry sort_thread;
 228 extern struct list_head hist_entry__sort_list;
 229
 230 struct perf_evlist;
 231 struct pevent;
 232 int setup_sorting(struct perf_evlist *evlist);
 233 int setup_output_field(void);
 234 void reset_output_field(void);
 235 void sort__setup_elide(FILE *fp);
 236 void perf_hpp__set_elide(int idx, bool elide);
 237
 238 int report_parse_ignore_callees_opt(const struct option *opt, const char *arg, int unset);
 239
 240 bool is_strict_order(const char *order);
 241
 242 int hpp_dimension__add_output(unsigned col);
 243 #endif  /* __PERF_SORT_H */