1 #ifndef __PERF_HIST_H 2 #define __PERF_HIST_H 3 4 #include <linux/types.h> 5 #include <pthread.h> 6 #include "callchain.h" 7 #include "header.h" 8 9 extern struct callchain_param callchain_param; 10 11 struct hist_entry; 12 struct addr_location; 13 struct symbol; 14 15 /* 16 * The kernel collects the number of events it couldn't send in a stretch and 17 * when possible sends this number in a PERF_RECORD_LOST event. The number of 18 * such "chunks" of lost events is stored in .nr_events[PERF_EVENT_LOST] while 19 * total_lost tells exactly how many events the kernel in fact lost, i.e. it is 20 * the sum of all struct lost_event.lost fields reported. 21 * 22 * The total_period is needed because by default auto-freq is used, so 23 * multipling nr_events[PERF_EVENT_SAMPLE] by a frequency isn't possible to get 24 * the total number of low level events, it is necessary to to sum all struct 25 * sample_event.period and stash the result in total_period. 26 */ 27 struct events_stats { 28 u64 total_period; 29 u64 total_lost; 30 u64 total_invalid_chains; 31 u32 nr_events[PERF_RECORD_HEADER_MAX]; 32 u32 nr_lost_warned; 33 u32 nr_unknown_events; 34 u32 nr_invalid_chains; 35 u32 nr_unknown_id; 36 u32 nr_unprocessable_samples; 37 }; 38 39 enum hist_column { 40 HISTC_SYMBOL, 41 HISTC_DSO, 42 HISTC_THREAD, 43 HISTC_COMM, 44 HISTC_PARENT, 45 HISTC_CPU, 46 HISTC_SRCLINE, 47 HISTC_MISPREDICT, 48 HISTC_SYMBOL_FROM, 49 HISTC_SYMBOL_TO, 50 HISTC_DSO_FROM, 51 HISTC_DSO_TO, 52 HISTC_LOCAL_WEIGHT, 53 HISTC_GLOBAL_WEIGHT, 54 HISTC_MEM_DADDR_SYMBOL, 55 HISTC_MEM_DADDR_DSO, 56 HISTC_MEM_LOCKED, 57 HISTC_MEM_TLB, 58 HISTC_MEM_LVL, 59 HISTC_MEM_SNOOP, 60 HISTC_NR_COLS, /* Last entry */ 61 }; 62 63 struct thread; 64 struct dso; 65 66 struct hists { 67 struct rb_root entries_in_array[2]; 68 struct rb_root *entries_in; 69 struct rb_root entries; 70 struct rb_root entries_collapsed; 71 u64 nr_entries; 72 const struct thread *thread_filter; 73 const struct dso *dso_filter; 74 const char *uid_filter_str; 75 const char *symbol_filter_str; 76 pthread_mutex_t lock; 77 struct events_stats stats; 78 u64 event_stream; 79 u16 col_len[HISTC_NR_COLS]; 80 }; 81 82 struct hist_entry *__hists__add_entry(struct hists *self, 83 struct addr_location *al, 84 struct symbol *parent, u64 period, 85 u64 weight); 86 int64_t hist_entry__cmp(struct hist_entry *left, struct hist_entry *right); 87 int64_t hist_entry__collapse(struct hist_entry *left, struct hist_entry *right); 88 int hist_entry__sort_snprintf(struct hist_entry *self, char *bf, size_t size, 89 struct hists *hists); 90 void hist_entry__free(struct hist_entry *); 91 92 struct hist_entry *__hists__add_branch_entry(struct hists *self, 93 struct addr_location *al, 94 struct symbol *sym_parent, 95 struct branch_info *bi, 96 u64 period, 97 u64 weight); 98 99 struct hist_entry *__hists__add_mem_entry(struct hists *self, 100 struct addr_location *al, 101 struct symbol *sym_parent, 102 struct mem_info *mi, 103 u64 period, 104 u64 weight); 105 106 void hists__output_resort(struct hists *self); 107 void hists__collapse_resort(struct hists *self); 108 109 void hists__decay_entries(struct hists *hists, bool zap_user, bool zap_kernel); 110 void hists__output_recalc_col_len(struct hists *hists, int max_rows); 111 112 void hists__inc_nr_entries(struct hists *hists, struct hist_entry *h); 113 void hists__inc_nr_events(struct hists *self, u32 type); 114 void events_stats__inc(struct events_stats *stats, u32 type); 115 size_t events_stats__fprintf(struct events_stats *stats, FILE *fp); 116 117 size_t hists__fprintf(struct hists *self, bool show_header, int max_rows, 118 int max_cols, float min_pcnt, FILE *fp); 119 120 int hist_entry__inc_addr_samples(struct hist_entry *self, int evidx, u64 addr); 121 int hist_entry__annotate(struct hist_entry *self, size_t privsize); 122 123 void hists__filter_by_dso(struct hists *hists); 124 void hists__filter_by_thread(struct hists *hists); 125 void hists__filter_by_symbol(struct hists *hists); 126 127 u16 hists__col_len(struct hists *self, enum hist_column col); 128 void hists__set_col_len(struct hists *self, enum hist_column col, u16 len); 129 bool hists__new_col_len(struct hists *self, enum hist_column col, u16 len); 130 void hists__reset_col_len(struct hists *hists); 131 void hists__calc_col_len(struct hists *hists, struct hist_entry *he); 132 133 void hists__match(struct hists *leader, struct hists *other); 134 int hists__link(struct hists *leader, struct hists *other); 135 136 struct perf_hpp { 137 char *buf; 138 size_t size; 139 const char *sep; 140 void *ptr; 141 }; 142 143 struct perf_hpp_fmt { 144 int (*header)(struct perf_hpp *hpp); 145 int (*width)(struct perf_hpp *hpp); 146 int (*color)(struct perf_hpp *hpp, struct hist_entry *he); 147 int (*entry)(struct perf_hpp *hpp, struct hist_entry *he); 148 149 struct list_head list; 150 }; 151 152 extern struct list_head perf_hpp__list; 153 154 #define perf_hpp__for_each_format(format) \ 155 list_for_each_entry(format, &perf_hpp__list, list) 156 157 extern struct perf_hpp_fmt perf_hpp__format[]; 158 159 enum { 160 PERF_HPP__BASELINE, 161 PERF_HPP__OVERHEAD, 162 PERF_HPP__OVERHEAD_SYS, 163 PERF_HPP__OVERHEAD_US, 164 PERF_HPP__OVERHEAD_GUEST_SYS, 165 PERF_HPP__OVERHEAD_GUEST_US, 166 PERF_HPP__SAMPLES, 167 PERF_HPP__PERIOD, 168 PERF_HPP__PERIOD_BASELINE, 169 PERF_HPP__DELTA, 170 PERF_HPP__RATIO, 171 PERF_HPP__WEIGHTED_DIFF, 172 PERF_HPP__FORMULA, 173 174 PERF_HPP__MAX_INDEX 175 }; 176 177 void perf_hpp__init(void); 178 void perf_hpp__column_register(struct perf_hpp_fmt *format); 179 void perf_hpp__column_enable(unsigned col); 180 int hist_entry__period_snprintf(struct perf_hpp *hpp, struct hist_entry *he, 181 bool color); 182 183 struct perf_evlist; 184 185 struct hist_browser_timer { 186 void (*timer)(void *arg); 187 void *arg; 188 int refresh; 189 }; 190 191 #ifdef SLANG_SUPPORT 192 #include "../ui/keysyms.h" 193 int hist_entry__tui_annotate(struct hist_entry *he, struct perf_evsel *evsel, 194 struct hist_browser_timer *hbt); 195 196 int perf_evlist__tui_browse_hists(struct perf_evlist *evlist, const char *help, 197 struct hist_browser_timer *hbt, 198 float min_pcnt, 199 struct perf_session_env *env); 200 int script_browse(const char *script_opt); 201 #else 202 static inline 203 int perf_evlist__tui_browse_hists(struct perf_evlist *evlist __maybe_unused, 204 const char *help __maybe_unused, 205 struct hist_browser_timer *hbt __maybe_unused, 206 float min_pcnt __maybe_unused, 207 struct perf_session_env *env __maybe_unused) 208 { 209 return 0; 210 } 211 212 static inline int hist_entry__tui_annotate(struct hist_entry *self 213 __maybe_unused, 214 struct perf_evsel *evsel 215 __maybe_unused, 216 struct hist_browser_timer *hbt 217 __maybe_unused) 218 { 219 return 0; 220 } 221 222 static inline int script_browse(const char *script_opt __maybe_unused) 223 { 224 return 0; 225 } 226 227 #define K_LEFT -1000 228 #define K_RIGHT -2000 229 #define K_SWITCH_INPUT_DATA -3000 230 #endif 231 232 #ifdef GTK2_SUPPORT 233 int perf_evlist__gtk_browse_hists(struct perf_evlist *evlist, const char *help, 234 struct hist_browser_timer *hbt __maybe_unused, 235 float min_pcnt); 236 #else 237 static inline 238 int perf_evlist__gtk_browse_hists(struct perf_evlist *evlist __maybe_unused, 239 const char *help __maybe_unused, 240 struct hist_browser_timer *hbt __maybe_unused, 241 float min_pcnt __maybe_unused) 242 { 243 return 0; 244 } 245 #endif 246 247 unsigned int hists__sort_list_width(struct hists *self); 248 249 double perf_diff__compute_delta(struct hist_entry *he, struct hist_entry *pair); 250 double perf_diff__compute_ratio(struct hist_entry *he, struct hist_entry *pair); 251 s64 perf_diff__compute_wdiff(struct hist_entry *he, struct hist_entry *pair); 252 int perf_diff__formula(struct hist_entry *he, struct hist_entry *pair, 253 char *buf, size_t size); 254 double perf_diff__period_percent(struct hist_entry *he, u64 period); 255 #endif /* __PERF_HIST_H */ 256