tools/perf/util/sort.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __PERF_SORT_H
   3 #define __PERF_SORT_H
   4 #include "../builtin.h"
   5
   6 #include <regex.h>
   7
   8 #include "color.h"
   9 #include <linux/list.h>
  10 #include "cache.h"
  11 #include <linux/rbtree.h>
  12 #include "symbol.h"
  13 #include "string.h"
  14 #include "callchain.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 "srcline.h"
  25
  26 struct thread;
  27
  28 extern regex_t parent_regex;
  29 extern const char *sort_order;
  30 extern const char *field_order;
  31 extern const char default_parent_pattern[];
  32 extern const char *parent_pattern;
  33 extern const char *default_sort_order;
  34 extern regex_t ignore_callees_regex;
  35 extern int have_ignore_callees;
  36 extern enum sort_mode sort__mode;
  37 extern struct sort_entry sort_comm;
  38 extern struct sort_entry sort_dso;
  39 extern struct sort_entry sort_sym;
  40 extern struct sort_entry sort_parent;
  41 extern struct sort_entry sort_dso_from;
  42 extern struct sort_entry sort_dso_to;
  43 extern struct sort_entry sort_sym_from;
  44 extern struct sort_entry sort_sym_to;
  45 extern struct sort_entry sort_srcline;
  46 extern enum sort_type sort__first_dimension;
  47 extern const char default_mem_sort_order[];
  48
  49 struct he_stat {
  50         u64                     period;
  51         u64                     period_sys;
  52         u64                     period_us;
  53         u64                     period_guest_sys;
  54         u64                     period_guest_us;
  55         u64                     weight;
  56         u32                     nr_events;
  57 };
  58
  59 struct namespace_id {
  60         u64                     dev;
  61         u64                     ino;
  62 };
  63
  64 struct hist_entry_diff {
  65         bool    computed;
  66         union {
  67                 /* PERF_HPP__DELTA */
  68                 double  period_ratio_delta;
  69
  70                 /* PERF_HPP__RATIO */
  71                 double  period_ratio;
  72
  73                 /* HISTC_WEIGHTED_DIFF */
  74                 s64     wdiff;
  75         };
  76 };
  77
  78 struct hist_entry_ops {
  79         void    *(*new)(size_t size);
  80         void    (*free)(void *ptr);
  81 };
  82
  83 /**
  84  * struct hist_entry - histogram entry
  85  *
  86  * @row_offset - offset from the first callchain expanded to appear on screen
  87  * @nr_rows - rows expanded in callchain, recalculated on folding/unfolding
  88  */
  89 struct hist_entry {
  90         struct rb_node          rb_node_in;
  91         struct rb_node          rb_node;
  92         union {
  93                 struct list_head node;
  94                 struct list_head head;
  95         } pairs;
  96         struct he_stat          stat;
  97         struct he_stat          *stat_acc;
  98         struct map_symbol       ms;
  99         struct thread           *thread;
 100         struct comm             *comm;
 101         struct namespace_id     cgroup_id;
 102         u64                     ip;
 103         u64                     transaction;
 104         s32                     socket;
 105         s32                     cpu;
 106         u8                      cpumode;
 107         u8                      depth;
 108
 109         /* We are added by hists__add_dummy_entry. */
 110         bool                    dummy;
 111         bool                    leaf;
 112
 113         char                    level;
 114         u8                      filtered;
 115         union {
 116                 /*
 117                  * Since perf diff only supports the stdio output, TUI
 118                  * fields are only accessed from perf report (or perf
 119                  * top).  So make it a union to reduce memory usage.
 120                  */
 121                 struct hist_entry_diff  diff;
 122                 struct /* for TUI */ {
 123                         u16     row_offset;
 124                         u16     nr_rows;
 125                         bool    init_have_children;
 126                         bool    unfolded;
 127                         bool    has_children;
 128                         bool    has_no_entry;
 129                 };
 130         };
 131         char                    *srcline;
 132         char                    *srcfile;
 133         struct inline_node      *inline_node;
 134         struct symbol           *parent;
 135         struct branch_info      *branch_info;
 136         struct hists            *hists;
 137         struct mem_info         *mem_info;
 138         void                    *raw_data;
 139         u32                     raw_size;
 140         void                    *trace_output;
 141         struct perf_hpp_list    *hpp_list;
 142         struct hist_entry       *parent_he;
 143         struct hist_entry_ops   *ops;
 144         union {
 145                 /* this is for hierarchical entry structure */
 146                 struct {
 147                         struct rb_root  hroot_in;
 148                         struct rb_root  hroot_out;
 149                 };                              /* non-leaf entries */
 150                 struct rb_root  sorted_chain;   /* leaf entry has callchains */
 151         };
 152         struct callchain_root   callchain[0]; /* must be last member */
 153 };
 154
 155 static inline bool hist_entry__has_pairs(struct hist_entry *he)
 156 {
 157         return !list_empty(&he->pairs.node);
 158 }
 159
 160 static inline struct hist_entry *hist_entry__next_pair(struct hist_entry *he)
 161 {
 162         if (hist_entry__has_pairs(he))
 163                 return list_entry(he->pairs.node.next, struct hist_entry, pairs.node);
 164         return NULL;
 165 }
 166
 167 static inline void hist_entry__add_pair(struct hist_entry *pair,
 168                                         struct hist_entry *he)
 169 {
 170         list_add_tail(&pair->pairs.node, &he->pairs.head);
 171 }
 172
 173 static inline float hist_entry__get_percent_limit(struct hist_entry *he)
 174 {
 175         u64 period = he->stat.period;
 176         u64 total_period = hists__total_period(he->hists);
 177
 178         if (unlikely(total_period == 0))
 179                 return 0;
 180
 181         if (symbol_conf.cumulate_callchain)
 182                 period = he->stat_acc->period;
 183
 184         return period * 100.0 / total_period;
 185 }
 186
 187 static inline u64 cl_address(u64 address)
 188 {
 189         /* return the cacheline of the address */
 190         return (address & ~(cacheline_size - 1));
 191 }
 192
 193 static inline u64 cl_offset(u64 address)
 194 {
 195         /* return the cacheline of the address */
 196         return (address & (cacheline_size - 1));
 197 }
 198
 199 enum sort_mode {
 200         SORT_MODE__NORMAL,
 201         SORT_MODE__BRANCH,
 202         SORT_MODE__MEMORY,
 203         SORT_MODE__TOP,
 204         SORT_MODE__DIFF,
 205         SORT_MODE__TRACEPOINT,
 206 };
 207
 208 enum sort_type {
 209         /* common sort keys */
 210         SORT_PID,
 211         SORT_COMM,
 212         SORT_DSO,
 213         SORT_SYM,
 214         SORT_PARENT,
 215         SORT_CPU,
 216         SORT_SOCKET,
 217         SORT_SRCLINE,
 218         SORT_SRCFILE,
 219         SORT_LOCAL_WEIGHT,
 220         SORT_GLOBAL_WEIGHT,
 221         SORT_TRANSACTION,
 222         SORT_TRACE,
 223         SORT_SYM_SIZE,
 224         SORT_CGROUP_ID,
 225
 226         /* branch stack specific sort keys */
 227         __SORT_BRANCH_STACK,
 228         SORT_DSO_FROM = __SORT_BRANCH_STACK,
 229         SORT_DSO_TO,
 230         SORT_SYM_FROM,
 231         SORT_SYM_TO,
 232         SORT_MISPREDICT,
 233         SORT_ABORT,
 234         SORT_IN_TX,
 235         SORT_CYCLES,
 236         SORT_SRCLINE_FROM,
 237         SORT_SRCLINE_TO,
 238
 239         /* memory mode specific sort keys */
 240         __SORT_MEMORY_MODE,
 241         SORT_MEM_DADDR_SYMBOL = __SORT_MEMORY_MODE,
 242         SORT_MEM_DADDR_DSO,
 243         SORT_MEM_LOCKED,
 244         SORT_MEM_TLB,
 245         SORT_MEM_LVL,
 246         SORT_MEM_SNOOP,
 247         SORT_MEM_DCACHELINE,
 248         SORT_MEM_IADDR_SYMBOL,
 249         SORT_MEM_PHYS_DADDR,
 250 };
 251
 252 /*
 253  * configurable sorting bits
 254  */
 255
 256 struct sort_entry {
 257         const char *se_header;
 258
 259         int64_t (*se_cmp)(struct hist_entry *, struct hist_entry *);
 260         int64_t (*se_collapse)(struct hist_entry *, struct hist_entry *);
 261         int64_t (*se_sort)(struct hist_entry *, struct hist_entry *);
 262         int     (*se_snprintf)(struct hist_entry *he, char *bf, size_t size,
 263                                unsigned int width);
 264         int     (*se_filter)(struct hist_entry *he, int type, const void *arg);
 265         u8      se_width_idx;
 266 };
 267
 268 extern struct sort_entry sort_thread;
 269 extern struct list_head hist_entry__sort_list;
 270
 271 struct perf_evlist;
 272 struct pevent;
 273 int setup_sorting(struct perf_evlist *evlist);
 274 int setup_output_field(void);
 275 void reset_output_field(void);
 276 void sort__setup_elide(FILE *fp);
 277 void perf_hpp__set_elide(int idx, bool elide);
 278
 279 int report_parse_ignore_callees_opt(const struct option *opt, const char *arg, int unset);
 280
 281 bool is_strict_order(const char *order);
 282
 283 int hpp_dimension__add_output(unsigned col);
 284 void reset_dimensions(void);
 285 int sort_dimension__add(struct perf_hpp_list *list, const char *tok,
 286                         struct perf_evlist *evlist,
 287                         int level);
 288 int output_field_add(struct perf_hpp_list *list, char *tok);
 289 int64_t
 290 sort__iaddr_cmp(struct hist_entry *left, struct hist_entry *right);
 291 int64_t
 292 sort__daddr_cmp(struct hist_entry *left, struct hist_entry *right);
 293 int64_t
 294 sort__dcacheline_cmp(struct hist_entry *left, struct hist_entry *right);
 295 char *hist_entry__get_srcline(struct hist_entry *he);
 296 #endif  /* __PERF_SORT_H */