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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 | /* SPDX-License-Identifier: GPL-2.0 */ #ifndef _PERF_ANNOTATE_DATA_H #define _PERF_ANNOTATE_DATA_H #include <errno.h> #include <linux/compiler.h> #include <linux/rbtree.h> #include <linux/types.h> struct annotated_op_loc; struct debuginfo; struct evsel; struct hist_browser_timer; struct hist_entry; struct map_symbol; struct thread; /** * struct annotated_member - Type of member field * @node: List entry in the parent list * @children: List head for child nodes * @type_name: Name of the member type * @var_name: Name of the member variable * @offset: Offset from the outer data type * @size: Size of the member field * * This represents a member type in a data type. */ struct annotated_member { struct list_head node; struct list_head children; char *type_name; char *var_name; int offset; int size; }; /** * struct type_hist_entry - Histogram entry per offset * @nr_samples: Number of samples * @period: Count of event */ struct type_hist_entry { int nr_samples; u64 period; }; /** * struct type_hist - Type histogram for each event * @nr_samples: Total number of samples in this data type * @period: Total count of the event in this data type * @offset: Array of histogram entry */ struct type_hist { u64 nr_samples; u64 period; struct type_hist_entry addr[]; }; /** * struct annotated_data_type - Data type to profile * @node: RB-tree node for dso->type_tree * @self: Actual type information * @nr_histogram: Number of histogram entries * @histograms: An array of pointers to histograms * * This represents a data type accessed by samples in the profile data. */ struct annotated_data_type { struct rb_node node; struct annotated_member self; int nr_histograms; struct type_hist **histograms; }; extern struct annotated_data_type unknown_type; extern struct annotated_data_type stackop_type; extern struct annotated_data_type canary_type; /** * struct data_loc_info - Data location information * @arch: CPU architecture info * @thread: Thread info * @ms: Map and Symbol info * @ip: Instruction address * @var_addr: Data address (for global variables) * @cpumode: CPU execution mode * @op: Instruction operand location (regs and offset) * @di: Debug info * @fbreg: Frame base register * @fb_cfa: Whether the frame needs to check CFA * @type_offset: Final offset in the type */ struct data_loc_info { /* These are input field, should be filled by caller */ struct arch *arch; struct thread *thread; struct map_symbol *ms; u64 ip; u64 var_addr; u8 cpumode; struct annotated_op_loc *op; /* These are used internally */ struct debuginfo *di; int fbreg; bool fb_cfa; /* This is for the result */ int type_offset; }; /** * struct annotated_data_stat - Debug statistics * @total: Total number of entry * @no_sym: No symbol or map found * @no_insn: Failed to get disasm line * @no_insn_ops: The instruction has no operands * @no_mem_ops: The instruction has no memory operands * @no_reg: Failed to extract a register from the operand * @no_dbginfo: The binary has no debug information * @no_cuinfo: Failed to find a compile_unit * @no_var: Failed to find a matching variable * @no_typeinfo: Failed to get a type info for the variable * @invalid_size: Failed to get a size info of the type * @bad_offset: The access offset is out of the type */ struct annotated_data_stat { int total; int no_sym; int no_insn; int no_insn_ops; int no_mem_ops; int no_reg; int no_dbginfo; int no_cuinfo; int no_var; int no_typeinfo; int invalid_size; int bad_offset; int insn_track; }; extern struct annotated_data_stat ann_data_stat; #ifdef HAVE_DWARF_SUPPORT /* Returns data type at the location (ip, reg, offset) */ struct annotated_data_type *find_data_type(struct data_loc_info *dloc); /* Update type access histogram at the given offset */ int annotated_data_type__update_samples(struct annotated_data_type *adt, struct evsel *evsel, int offset, int nr_samples, u64 period); /* Release all data type information in the tree */ void annotated_data_type__tree_delete(struct rb_root *root); /* Release all global variable information in the tree */ void global_var_type__tree_delete(struct rb_root *root); int hist_entry__annotate_data_tty(struct hist_entry *he, struct evsel *evsel); #else /* HAVE_DWARF_SUPPORT */ static inline struct annotated_data_type * find_data_type(struct data_loc_info *dloc __maybe_unused) { return NULL; } static inline int annotated_data_type__update_samples(struct annotated_data_type *adt __maybe_unused, struct evsel *evsel __maybe_unused, int offset __maybe_unused, int nr_samples __maybe_unused, u64 period __maybe_unused) { return -1; } static inline void annotated_data_type__tree_delete(struct rb_root *root __maybe_unused) { } static inline void global_var_type__tree_delete(struct rb_root *root __maybe_unused) { } static inline int hist_entry__annotate_data_tty(struct hist_entry *he __maybe_unused, struct evsel *evsel __maybe_unused) { return -1; } #endif /* HAVE_DWARF_SUPPORT */ #ifdef HAVE_SLANG_SUPPORT int hist_entry__annotate_data_tui(struct hist_entry *he, struct evsel *evsel, struct hist_browser_timer *hbt); #else static inline int hist_entry__annotate_data_tui(struct hist_entry *he __maybe_unused, struct evsel *evsel __maybe_unused, struct hist_browser_timer *hbt __maybe_unused) { return -1; } #endif /* HAVE_SLANG_SUPPORT */ #endif /* _PERF_ANNOTATE_DATA_H */ |