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_dso;
  36 extern int sort__has_parent;
  37 extern int sort__has_sym;
  38 extern int sort__has_socket;
  39 extern int sort__has_thread;
  40 extern int sort__has_comm;
  41 extern enum sort_mode sort__mode;
  42 extern struct sort_entry sort_comm;
  43 extern struct sort_entry sort_dso;
  44 extern struct sort_entry sort_sym;
  45 extern struct sort_entry sort_parent;
  46 extern struct sort_entry sort_dso_from;
  47 extern struct sort_entry sort_dso_to;
  48 extern struct sort_entry sort_sym_from;
  49 extern struct sort_entry sort_sym_to;
  50 extern enum sort_type sort__first_dimension;
  51 extern const char default_mem_sort_order[];
  52
  53 struct he_stat {
  54         u64                     period;
  55         u64                     period_sys;
  56         u64                     period_us;
  57         u64                     period_guest_sys;
  58         u64                     period_guest_us;
  59         u64                     weight;
  60         u32                     nr_events;
  61 };
  62
  63 struct hist_entry_diff {
  64         bool    computed;
  65         union {
  66                 /* PERF_HPP__DELTA */
  67                 double  period_ratio_delta;
  68
  69                 /* PERF_HPP__RATIO */
  70                 double  period_ratio;
  71
  72                 /* HISTC_WEIGHTED_DIFF */
  73                 s64     wdiff;
  74         };
  75 };
  76
  77 /**
  78  * struct hist_entry - histogram entry
  79  *
  80  * @row_offset - offset from the first callchain expanded to appear on screen
  81  * @nr_rows - rows expanded in callchain, recalculated on folding/unfolding
  82  */
  83 struct hist_entry {
  84         struct rb_node          rb_node_in;
  85         struct rb_node          rb_node;
  86         union {
  87                 struct list_head node;
  88                 struct list_head head;
  89         } pairs;
  90         struct he_stat          stat;
  91         struct he_stat          *stat_acc;
  92         struct map_symbol       ms;
  93         struct thread           *thread;
  94         struct comm             *comm;
  95         u64                     ip;
  96         u64                     transaction;
  97         s32                     socket;
  98         s32                     cpu;
  99         u8                      cpumode;
 100         u8                      depth;
 101
 102         /* We are added by hists__add_dummy_entry. */
 103         bool                    dummy;
 104         bool                    leaf;
 105
 106         char                    level;
 107         u8                      filtered;
 108         union {
 109                 /*
 110                  * Since perf diff only supports the stdio output, TUI
 111                  * fields are only accessed from perf report (or perf
 112                  * top).  So make it an union to reduce memory usage.
 113                  */
 114                 struct hist_entry_diff  diff;
 115                 struct /* for TUI */ {
 116                         u16     row_offset;
 117                         u16     nr_rows;
 118                         bool    init_have_children;
 119                         bool    unfolded;
 120                         bool    has_children;
 121                         bool    has_no_entry;
 122                 };
 123         };
 124         char                    *srcline;
 125         char                    *srcfile;
 126         struct symbol           *parent;
 127         struct branch_info      *branch_info;
 128         struct hists            *hists;
 129         struct mem_info         *mem_info;
 130         void                    *raw_data;
 131         u32                     raw_size;
 132         void                    *trace_output;
 133         struct perf_hpp_list    *hpp_list;
 134         struct hist_entry       *parent_he;
 135         union {
 136                 /* this is for hierarchical entry structure */
 137                 struct {
 138                         struct rb_root  hroot_in;
 139                         struct rb_root  hroot_out;
 140                 };                              /* non-leaf entries */
 141                 struct rb_root  sorted_chain;   /* leaf entry has callchains */
 142         };
 143         struct callchain_root   callchain[0]; /* must be last member */
 144 };
 145
 146 static inline bool hist_entry__has_pairs(struct hist_entry *he)
 147 {
 148         return !list_empty(&he->pairs.node);
 149 }
 150
 151 static inline struct hist_entry *hist_entry__next_pair(struct hist_entry *he)
 152 {
 153         if (hist_entry__has_pairs(he))
 154                 return list_entry(he->pairs.node.next, struct hist_entry, pairs.node);
 155         return NULL;
 156 }
 157
 158 static inline void hist_entry__add_pair(struct hist_entry *pair,
 159                                         struct hist_entry *he)
 160 {
 161         list_add_tail(&pair->pairs.node, &he->pairs.head);
 162 }
 163
 164 static inline float hist_entry__get_percent_limit(struct hist_entry *he)
 165 {
 166         u64 period = he->stat.period;
 167         u64 total_period = hists__total_period(he->hists);
 168
 169         if (unlikely(total_period == 0))
 170                 return 0;
 171
 172         if (symbol_conf.cumulate_callchain)
 173                 period = he->stat_acc->period;
 174
 175         return period * 100.0 / total_period;
 176 }
 177
 178 static inline u64 cl_address(u64 address)
 179 {
 180         /* return the cacheline of the address */
 181         return (address & ~(cacheline_size - 1));
 182 }
 183
 184 static inline u64 cl_offset(u64 address)
 185 {
 186         /* return the cacheline of the address */
 187         return (address & (cacheline_size - 1));
 188 }
 189
 190 enum sort_mode {
 191         SORT_MODE__NORMAL,
 192         SORT_MODE__BRANCH,
 193         SORT_MODE__MEMORY,
 194         SORT_MODE__TOP,
 195         SORT_MODE__DIFF,
 196         SORT_MODE__TRACEPOINT,
 197 };
 198
 199 enum sort_type {
 200         /* common sort keys */
 201         SORT_PID,
 202         SORT_COMM,
 203         SORT_DSO,
 204         SORT_SYM,
 205         SORT_PARENT,
 206         SORT_CPU,
 207         SORT_SOCKET,
 208         SORT_SRCLINE,
 209         SORT_SRCFILE,
 210         SORT_LOCAL_WEIGHT,
 211         SORT_GLOBAL_WEIGHT,
 212         SORT_TRANSACTION,
 213         SORT_TRACE,
 214
 215         /* branch stack specific sort keys */
 216         __SORT_BRANCH_STACK,
 217         SORT_DSO_FROM = __SORT_BRANCH_STACK,
 218         SORT_DSO_TO,
 219         SORT_SYM_FROM,
 220         SORT_SYM_TO,
 221         SORT_MISPREDICT,
 222         SORT_ABORT,
 223         SORT_IN_TX,
 224         SORT_CYCLES,
 225
 226         /* memory mode specific sort keys */
 227         __SORT_MEMORY_MODE,
 228         SORT_MEM_DADDR_SYMBOL = __SORT_MEMORY_MODE,
 229         SORT_MEM_DADDR_DSO,
 230         SORT_MEM_LOCKED,
 231         SORT_MEM_TLB,
 232         SORT_MEM_LVL,
 233         SORT_MEM_SNOOP,
 234         SORT_MEM_DCACHELINE,
 235         SORT_MEM_IADDR_SYMBOL,
 236 };
 237
 238 /*
 239  * configurable sorting bits
 240  */
 241
 242 struct sort_entry {
 243         const char *se_header;
 244
 245         int64_t (*se_cmp)(struct hist_entry *, struct hist_entry *);
 246         int64_t (*se_collapse)(struct hist_entry *, struct hist_entry *);
 247         int64_t (*se_sort)(struct hist_entry *, struct hist_entry *);
 248         int     (*se_snprintf)(struct hist_entry *he, char *bf, size_t size,
 249                                unsigned int width);
 250         int     (*se_filter)(struct hist_entry *he, int type, const void *arg);
 251         u8      se_width_idx;
 252 };
 253
 254 extern struct sort_entry sort_thread;
 255 extern struct list_head hist_entry__sort_list;
 256
 257 struct perf_evlist;
 258 struct pevent;
 259 int setup_sorting(struct perf_evlist *evlist);
 260 int setup_output_field(void);
 261 void reset_output_field(void);
 262 void sort__setup_elide(FILE *fp);
 263 void perf_hpp__set_elide(int idx, bool elide);
 264
 265 int report_parse_ignore_callees_opt(const struct option *opt, const char *arg, int unset);
 266
 267 bool is_strict_order(const char *order);
 268
 269 int hpp_dimension__add_output(unsigned col);
 270 #endif  /* __PERF_SORT_H */