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 void hists__init(struct hists *hists); 67 68 struct hist_entry *__hists__add_entry(struct hists *self, 69 struct addr_location *al, 70 struct symbol *parent, u64 period); 71 extern int64_t hist_entry__cmp(struct hist_entry *, struct hist_entry *); 72 extern int64_t hist_entry__collapse(struct hist_entry *, struct hist_entry *); 73 int hist_entry__fprintf(struct hist_entry *he, size_t size, struct hists *hists, 74 struct hists *pair_hists, bool show_displacement, 75 long displacement, FILE *fp, u64 session_total); 76 int hist_entry__snprintf(struct hist_entry *self, char *bf, size_t size, 77 struct hists *hists); 78 void hist_entry__free(struct hist_entry *); 79 80 void hists__output_resort(struct hists *self); 81 void hists__output_resort_threaded(struct hists *hists); 82 void hists__collapse_resort(struct hists *self); 83 void hists__collapse_resort_threaded(struct hists *hists); 84 85 void hists__decay_entries(struct hists *hists, bool zap_user, bool zap_kernel); 86 void hists__decay_entries_threaded(struct hists *hists, bool zap_user, 87 bool zap_kernel); 88 void hists__output_recalc_col_len(struct hists *hists, int max_rows); 89 90 void hists__inc_nr_events(struct hists *self, u32 type); 91 size_t hists__fprintf_nr_events(struct hists *self, FILE *fp); 92 93 size_t hists__fprintf(struct hists *self, struct hists *pair, 94 bool show_displacement, bool show_header, 95 int max_rows, int max_cols, FILE *fp); 96 97 int hist_entry__inc_addr_samples(struct hist_entry *self, int evidx, u64 addr); 98 int hist_entry__annotate(struct hist_entry *self, size_t privsize); 99 100 void hists__filter_by_dso(struct hists *hists); 101 void hists__filter_by_thread(struct hists *hists); 102 103 u16 hists__col_len(struct hists *self, enum hist_column col); 104 void hists__set_col_len(struct hists *self, enum hist_column col, u16 len); 105 bool hists__new_col_len(struct hists *self, enum hist_column col, u16 len); 106 107 struct perf_evlist; 108 109 #ifdef NO_NEWT_SUPPORT 110 static inline 111 int perf_evlist__tui_browse_hists(struct perf_evlist *evlist __used, 112 const char *help __used, 113 void(*timer)(void *arg) __used, 114 void *arg __used, 115 int refresh __used) 116 { 117 return 0; 118 } 119 120 static inline int hist_entry__tui_annotate(struct hist_entry *self __used, 121 int evidx __used, 122 int nr_events __used, 123 void(*timer)(void *arg) __used, 124 void *arg __used, 125 int delay_secs __used) 126 { 127 return 0; 128 } 129 #define K_LEFT -1 130 #define K_RIGHT -2 131 #else 132 #include "ui/keysyms.h" 133 int hist_entry__tui_annotate(struct hist_entry *he, int evidx, int nr_events, 134 void(*timer)(void *arg), void *arg, int delay_secs); 135 136 int perf_evlist__tui_browse_hists(struct perf_evlist *evlist, const char *help, 137 void(*timer)(void *arg), void *arg, 138 int refresh); 139 #endif 140 141 unsigned int hists__sort_list_width(struct hists *self); 142 143 #endif /* __PERF_HIST_H */ 144