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 }; 36 37 enum hist_column { 38 HISTC_SYMBOL, 39 HISTC_DSO, 40 HISTC_THREAD, 41 HISTC_COMM, 42 HISTC_PARENT, 43 HISTC_CPU, 44 HISTC_NR_COLS, /* Last entry */ 45 }; 46 47 struct thread; 48 struct dso; 49 50 struct hists { 51 struct rb_root entries_in_array[2]; 52 struct rb_root *entries_in; 53 struct rb_root entries; 54 struct rb_root entries_collapsed; 55 u64 nr_entries; 56 const struct thread *thread_filter; 57 const struct dso *dso_filter; 58 pthread_mutex_t lock; 59 struct events_stats stats; 60 u64 event_stream; 61 u16 col_len[HISTC_NR_COLS]; 62 /* Best would be to reuse the session callchain cursor */ 63 struct callchain_cursor callchain_cursor; 64 }; 65 66 struct hist_entry *__hists__add_entry(struct hists *self, 67 struct addr_location *al, 68 struct symbol *parent, u64 period); 69 extern int64_t hist_entry__cmp(struct hist_entry *, struct hist_entry *); 70 extern int64_t hist_entry__collapse(struct hist_entry *, struct hist_entry *); 71 int hist_entry__fprintf(struct hist_entry *he, size_t size, struct hists *hists, 72 struct hists *pair_hists, bool show_displacement, 73 long displacement, FILE *fp, u64 session_total); 74 int hist_entry__snprintf(struct hist_entry *self, char *bf, size_t size, 75 struct hists *hists); 76 void hist_entry__free(struct hist_entry *); 77 78 void hists__output_resort(struct hists *self); 79 void hists__output_resort_threaded(struct hists *hists); 80 void hists__collapse_resort(struct hists *self); 81 void hists__collapse_resort_threaded(struct hists *hists); 82 83 void hists__decay_entries(struct hists *hists, bool zap_user, bool zap_kernel); 84 void hists__decay_entries_threaded(struct hists *hists, bool zap_user, 85 bool zap_kernel); 86 void hists__output_recalc_col_len(struct hists *hists, int max_rows); 87 88 void hists__inc_nr_events(struct hists *self, u32 type); 89 size_t hists__fprintf_nr_events(struct hists *self, FILE *fp); 90 91 size_t hists__fprintf(struct hists *self, struct hists *pair, 92 bool show_displacement, bool show_header, 93 int max_rows, int max_cols, FILE *fp); 94 95 int hist_entry__inc_addr_samples(struct hist_entry *self, int evidx, u64 addr); 96 int hist_entry__annotate(struct hist_entry *self, size_t privsize); 97 98 void hists__filter_by_dso(struct hists *hists); 99 void hists__filter_by_thread(struct hists *hists); 100 101 u16 hists__col_len(struct hists *self, enum hist_column col); 102 void hists__set_col_len(struct hists *self, enum hist_column col, u16 len); 103 bool hists__new_col_len(struct hists *self, enum hist_column col, u16 len); 104 105 struct perf_evlist; 106 107 #ifdef NO_NEWT_SUPPORT 108 static inline 109 int perf_evlist__tui_browse_hists(struct perf_evlist *evlist __used, 110 const char *help __used, 111 void(*timer)(void *arg) __used, 112 void *arg __used, 113 int refresh __used) 114 { 115 return 0; 116 } 117 118 static inline int hist_entry__tui_annotate(struct hist_entry *self __used, 119 int evidx __used, 120 int nr_events __used, 121 void(*timer)(void *arg) __used, 122 void *arg __used, 123 int delay_secs __used) 124 { 125 return 0; 126 } 127 #define K_LEFT -1 128 #define K_RIGHT -2 129 #else 130 #include "ui/keysyms.h" 131 int hist_entry__tui_annotate(struct hist_entry *he, int evidx, int nr_events, 132 void(*timer)(void *arg), void *arg, int delay_secs); 133 134 int perf_evlist__tui_browse_hists(struct perf_evlist *evlist, const char *help, 135 void(*timer)(void *arg), void *arg, 136 int refresh); 137 #endif 138 139 unsigned int hists__sort_list_width(struct hists *self); 140 141 #endif /* __PERF_HIST_H */ 142