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 8 extern struct callchain_param callchain_param; 9 10 struct hist_entry; 11 struct addr_location; 12 struct symbol; 13 14 /* 15 * The kernel collects the number of events it couldn't send in a stretch and 16 * when possible sends this number in a PERF_RECORD_LOST event. The number of 17 * such "chunks" of lost events is stored in .nr_events[PERF_EVENT_LOST] while 18 * total_lost tells exactly how many events the kernel in fact lost, i.e. it is 19 * the sum of all struct lost_event.lost fields reported. 20 * 21 * The total_period is needed because by default auto-freq is used, so 22 * multipling nr_events[PERF_EVENT_SAMPLE] by a frequency isn't possible to get 23 * the total number of low level events, it is necessary to to sum all struct 24 * sample_event.period and stash the result in total_period. 25 */ 26 struct events_stats { 27 u64 total_period; 28 u64 total_lost; 29 u64 total_invalid_chains; 30 u32 nr_events[PERF_RECORD_HEADER_MAX]; 31 u32 nr_lost_warned; 32 u32 nr_unknown_events; 33 u32 nr_invalid_chains; 34 u32 nr_unknown_id; 35 u32 nr_unprocessable_samples; 36 }; 37 38 enum hist_column { 39 HISTC_SYMBOL, 40 HISTC_DSO, 41 HISTC_THREAD, 42 HISTC_COMM, 43 HISTC_PARENT, 44 HISTC_CPU, 45 HISTC_MISPREDICT, 46 HISTC_SYMBOL_FROM, 47 HISTC_SYMBOL_TO, 48 HISTC_DSO_FROM, 49 HISTC_DSO_TO, 50 HISTC_SRCLINE, 51 HISTC_NR_COLS, /* Last entry */ 52 }; 53 54 struct thread; 55 struct dso; 56 57 struct hists { 58 struct rb_root entries_in_array[2]; 59 struct rb_root *entries_in; 60 struct rb_root entries; 61 struct rb_root entries_collapsed; 62 u64 nr_entries; 63 const struct thread *thread_filter; 64 const struct dso *dso_filter; 65 const char *uid_filter_str; 66 const char *symbol_filter_str; 67 pthread_mutex_t lock; 68 struct events_stats stats; 69 u64 event_stream; 70 u16 col_len[HISTC_NR_COLS]; 71 }; 72 73 struct hist_entry *__hists__add_entry(struct hists *self, 74 struct addr_location *al, 75 struct symbol *parent, u64 period); 76 int64_t hist_entry__cmp(struct hist_entry *left, struct hist_entry *right); 77 int64_t hist_entry__collapse(struct hist_entry *left, struct hist_entry *right); 78 int hist_entry__sort_snprintf(struct hist_entry *self, char *bf, size_t size, 79 struct hists *hists); 80 void hist_entry__free(struct hist_entry *); 81 82 struct hist_entry *__hists__add_branch_entry(struct hists *self, 83 struct addr_location *al, 84 struct symbol *sym_parent, 85 struct branch_info *bi, 86 u64 period); 87 88 void hists__output_resort(struct hists *self); 89 void hists__output_resort_threaded(struct hists *hists); 90 void hists__collapse_resort(struct hists *self); 91 void hists__collapse_resort_threaded(struct hists *hists); 92 93 void hists__decay_entries(struct hists *hists, bool zap_user, bool zap_kernel); 94 void hists__decay_entries_threaded(struct hists *hists, bool zap_user, 95 bool zap_kernel); 96 void hists__output_recalc_col_len(struct hists *hists, int max_rows); 97 98 void hists__inc_nr_events(struct hists *self, u32 type); 99 size_t hists__fprintf_nr_events(struct hists *self, FILE *fp); 100 101 size_t hists__fprintf(struct hists *self, struct hists *pair, 102 bool show_displacement, bool show_header, 103 int max_rows, int max_cols, FILE *fp); 104 105 int hist_entry__inc_addr_samples(struct hist_entry *self, int evidx, u64 addr); 106 int hist_entry__annotate(struct hist_entry *self, size_t privsize); 107 108 void hists__filter_by_dso(struct hists *hists); 109 void hists__filter_by_thread(struct hists *hists); 110 void hists__filter_by_symbol(struct hists *hists); 111 112 u16 hists__col_len(struct hists *self, enum hist_column col); 113 void hists__set_col_len(struct hists *self, enum hist_column col, u16 len); 114 bool hists__new_col_len(struct hists *self, enum hist_column col, u16 len); 115 void hists__reset_col_len(struct hists *hists); 116 void hists__calc_col_len(struct hists *hists, struct hist_entry *he); 117 118 struct perf_hpp { 119 char *buf; 120 size_t size; 121 u64 total_period; 122 const char *sep; 123 long displacement; 124 void *ptr; 125 }; 126 127 struct perf_hpp_fmt { 128 bool cond; 129 int (*header)(struct perf_hpp *hpp); 130 int (*width)(struct perf_hpp *hpp); 131 int (*color)(struct perf_hpp *hpp, struct hist_entry *he); 132 int (*entry)(struct perf_hpp *hpp, struct hist_entry *he); 133 }; 134 135 extern struct perf_hpp_fmt perf_hpp__format[]; 136 137 enum { 138 PERF_HPP__OVERHEAD, 139 PERF_HPP__OVERHEAD_SYS, 140 PERF_HPP__OVERHEAD_US, 141 PERF_HPP__OVERHEAD_GUEST_SYS, 142 PERF_HPP__OVERHEAD_GUEST_US, 143 PERF_HPP__SAMPLES, 144 PERF_HPP__PERIOD, 145 PERF_HPP__DELTA, 146 PERF_HPP__DISPL, 147 148 PERF_HPP__MAX_INDEX 149 }; 150 151 void perf_hpp__init(bool need_pair, bool show_displacement); 152 int hist_entry__period_snprintf(struct perf_hpp *hpp, struct hist_entry *he, 153 bool color); 154 155 struct perf_evlist; 156 157 #ifdef NO_NEWT_SUPPORT 158 static inline 159 int perf_evlist__tui_browse_hists(struct perf_evlist *evlist __maybe_unused, 160 const char *help __maybe_unused, 161 void(*timer)(void *arg) __maybe_unused, 162 void *arg __maybe_unused, 163 int refresh __maybe_unused) 164 { 165 return 0; 166 } 167 168 static inline int hist_entry__tui_annotate(struct hist_entry *self 169 __maybe_unused, 170 int evidx __maybe_unused, 171 void(*timer)(void *arg) 172 __maybe_unused, 173 void *arg __maybe_unused, 174 int delay_secs __maybe_unused) 175 { 176 return 0; 177 } 178 #define K_LEFT -1 179 #define K_RIGHT -2 180 #else 181 #include "../ui/keysyms.h" 182 int hist_entry__tui_annotate(struct hist_entry *he, int evidx, 183 void(*timer)(void *arg), void *arg, int delay_secs); 184 185 int perf_evlist__tui_browse_hists(struct perf_evlist *evlist, const char *help, 186 void(*timer)(void *arg), void *arg, 187 int refresh); 188 #endif 189 190 #ifdef NO_GTK2_SUPPORT 191 static inline 192 int perf_evlist__gtk_browse_hists(struct perf_evlist *evlist __maybe_unused, 193 const char *help __maybe_unused, 194 void(*timer)(void *arg) __maybe_unused, 195 void *arg __maybe_unused, 196 int refresh __maybe_unused) 197 { 198 return 0; 199 } 200 201 #else 202 int perf_evlist__gtk_browse_hists(struct perf_evlist *evlist, const char *help, 203 void(*timer)(void *arg), void *arg, 204 int refresh); 205 #endif 206 207 unsigned int hists__sort_list_width(struct hists *self); 208 209 #endif /* __PERF_HIST_H */ 210