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_NR_COLS, /* Last entry */ 51 }; 52 53 struct thread; 54 struct dso; 55 56 struct hists { 57 struct rb_root entries_in_array[2]; 58 struct rb_root *entries_in; 59 struct rb_root entries; 60 struct rb_root entries_collapsed; 61 u64 nr_entries; 62 const struct thread *thread_filter; 63 const struct dso *dso_filter; 64 const char *uid_filter_str; 65 const char *symbol_filter_str; 66 pthread_mutex_t lock; 67 struct events_stats stats; 68 u64 event_stream; 69 u16 col_len[HISTC_NR_COLS]; 70 /* Best would be to reuse the session callchain cursor */ 71 struct callchain_cursor callchain_cursor; 72 }; 73 74 struct hist_entry *__hists__add_entry(struct hists *self, 75 struct addr_location *al, 76 struct symbol *parent, u64 period); 77 int64_t hist_entry__cmp(struct hist_entry *left, struct hist_entry *right); 78 int64_t hist_entry__collapse(struct hist_entry *left, struct hist_entry *right); 79 int hist_entry__snprintf(struct hist_entry *self, char *bf, size_t size, 80 struct hists *hists); 81 void hist_entry__free(struct hist_entry *); 82 83 struct hist_entry *__hists__add_branch_entry(struct hists *self, 84 struct addr_location *al, 85 struct symbol *sym_parent, 86 struct branch_info *bi, 87 u64 period); 88 89 void hists__output_resort(struct hists *self); 90 void hists__output_resort_threaded(struct hists *hists); 91 void hists__collapse_resort(struct hists *self); 92 void hists__collapse_resort_threaded(struct hists *hists); 93 94 void hists__decay_entries(struct hists *hists, bool zap_user, bool zap_kernel); 95 void hists__decay_entries_threaded(struct hists *hists, bool zap_user, 96 bool zap_kernel); 97 void hists__output_recalc_col_len(struct hists *hists, int max_rows); 98 99 void hists__inc_nr_events(struct hists *self, u32 type); 100 size_t hists__fprintf_nr_events(struct hists *self, FILE *fp); 101 102 size_t hists__fprintf(struct hists *self, struct hists *pair, 103 bool show_displacement, bool show_header, 104 int max_rows, int max_cols, FILE *fp); 105 106 int hist_entry__inc_addr_samples(struct hist_entry *self, int evidx, u64 addr); 107 int hist_entry__annotate(struct hist_entry *self, size_t privsize); 108 109 void hists__filter_by_dso(struct hists *hists); 110 void hists__filter_by_thread(struct hists *hists); 111 void hists__filter_by_symbol(struct hists *hists); 112 113 u16 hists__col_len(struct hists *self, enum hist_column col); 114 void hists__set_col_len(struct hists *self, enum hist_column col, u16 len); 115 bool hists__new_col_len(struct hists *self, enum hist_column col, u16 len); 116 117 struct perf_evlist; 118 119 #ifdef NO_NEWT_SUPPORT 120 static inline 121 int perf_evlist__tui_browse_hists(struct perf_evlist *evlist __used, 122 const char *help __used, 123 void(*timer)(void *arg) __used, 124 void *arg __used, 125 int refresh __used) 126 { 127 return 0; 128 } 129 130 static inline int hist_entry__tui_annotate(struct hist_entry *self __used, 131 int evidx __used, 132 void(*timer)(void *arg) __used, 133 void *arg __used, 134 int delay_secs __used) 135 { 136 return 0; 137 } 138 #define K_LEFT -1 139 #define K_RIGHT -2 140 #else 141 #include "ui/keysyms.h" 142 int hist_entry__tui_annotate(struct hist_entry *he, int evidx, 143 void(*timer)(void *arg), void *arg, int delay_secs); 144 145 int perf_evlist__tui_browse_hists(struct perf_evlist *evlist, const char *help, 146 void(*timer)(void *arg), void *arg, 147 int refresh); 148 #endif 149 150 #ifdef NO_GTK2_SUPPORT 151 static inline 152 int perf_evlist__gtk_browse_hists(struct perf_evlist *evlist __used, 153 const char *help __used, 154 void(*timer)(void *arg) __used, 155 void *arg __used, 156 int refresh __used) 157 { 158 return 0; 159 } 160 161 #else 162 int perf_evlist__gtk_browse_hists(struct perf_evlist *evlist, const char *help, 163 void(*timer)(void *arg), void *arg, 164 int refresh); 165 #endif 166 167 unsigned int hists__sort_list_width(struct hists *self); 168 169 #endif /* __PERF_HIST_H */ 170