1 #ifndef __PERF_HIST_H 2 #define __PERF_HIST_H 3 4 /* ANDROID_CHANGE_BEGIN */ 5 #ifndef __APPLE__ 6 /* Suppress kernel-name space pollution in <linux/types.h> below */ 7 #include <features.h> 8 #include <linux/types.h> 9 #endif 10 /* ANDROID_CHANGE_END */ 11 #include "callchain.h" 12 13 extern struct callchain_param callchain_param; 14 15 struct hist_entry; 16 struct addr_location; 17 struct symbol; 18 19 /* 20 * The kernel collects the number of events it couldn't send in a stretch and 21 * when possible sends this number in a PERF_RECORD_LOST event. The number of 22 * such "chunks" of lost events is stored in .nr_events[PERF_EVENT_LOST] while 23 * total_lost tells exactly how many events the kernel in fact lost, i.e. it is 24 * the sum of all struct lost_event.lost fields reported. 25 * 26 * The total_period is needed because by default auto-freq is used, so 27 * multipling nr_events[PERF_EVENT_SAMPLE] by a frequency isn't possible to get 28 * the total number of low level events, it is necessary to to sum all struct 29 * sample_event.period and stash the result in total_period. 30 */ 31 struct events_stats { 32 u64 total_period; 33 u64 total_lost; 34 u64 total_invalid_chains; 35 u32 nr_events[PERF_RECORD_HEADER_MAX]; 36 u32 nr_unknown_events; 37 u32 nr_invalid_chains; 38 u32 nr_unknown_id; 39 }; 40 41 enum hist_column { 42 HISTC_SYMBOL, 43 HISTC_DSO, 44 HISTC_THREAD, 45 HISTC_COMM, 46 HISTC_PARENT, 47 HISTC_CPU, 48 HISTC_NR_COLS, /* Last entry */ 49 }; 50 51 struct hists { 52 struct rb_root entries; 53 u64 nr_entries; 54 struct events_stats stats; 55 u64 event_stream; 56 u16 col_len[HISTC_NR_COLS]; 57 /* Best would be to reuse the session callchain cursor */ 58 struct callchain_cursor callchain_cursor; 59 }; 60 61 struct hist_entry *__hists__add_entry(struct hists *self, 62 struct addr_location *al, 63 struct symbol *parent, u64 period); 64 extern int64_t hist_entry__cmp(struct hist_entry *, struct hist_entry *); 65 extern int64_t hist_entry__collapse(struct hist_entry *, struct hist_entry *); 66 int hist_entry__fprintf(struct hist_entry *self, struct hists *hists, 67 struct hists *pair_hists, bool show_displacement, 68 long displacement, FILE *fp, u64 total); 69 int hist_entry__snprintf(struct hist_entry *self, char *bf, size_t size, 70 struct hists *hists, struct hists *pair_hists, 71 bool show_displacement, long displacement, 72 bool color, u64 total); 73 void hist_entry__free(struct hist_entry *); 74 75 void hists__output_resort(struct hists *self); 76 void hists__collapse_resort(struct hists *self); 77 78 void hists__inc_nr_events(struct hists *self, u32 type); 79 size_t hists__fprintf_nr_events(struct hists *self, FILE *fp); 80 81 size_t hists__fprintf(struct hists *self, struct hists *pair, 82 bool show_displacement, FILE *fp); 83 84 int hist_entry__inc_addr_samples(struct hist_entry *self, int evidx, u64 addr); 85 int hist_entry__annotate(struct hist_entry *self, size_t privsize); 86 87 void hists__filter_by_dso(struct hists *self, const struct dso *dso); 88 void hists__filter_by_thread(struct hists *self, const struct thread *thread); 89 90 u16 hists__col_len(struct hists *self, enum hist_column col); 91 void hists__set_col_len(struct hists *self, enum hist_column col, u16 len); 92 bool hists__new_col_len(struct hists *self, enum hist_column col, u16 len); 93 94 struct perf_evlist; 95 96 #ifdef NO_NEWT_SUPPORT 97 static inline 98 int perf_evlist__tui_browse_hists(struct perf_evlist *evlist __used, 99 const char *help __used) 100 { 101 return 0; 102 } 103 104 static inline int hist_entry__tui_annotate(struct hist_entry *self __used, 105 int evidx __used) 106 { 107 return 0; 108 } 109 #define KEY_LEFT -1 110 #define KEY_RIGHT -2 111 #else 112 #include <newt.h> 113 int hist_entry__tui_annotate(struct hist_entry *self, int evidx); 114 115 #define KEY_LEFT NEWT_KEY_LEFT 116 #define KEY_RIGHT NEWT_KEY_RIGHT 117 118 int perf_evlist__tui_browse_hists(struct perf_evlist *evlist, const char *help); 119 #endif 120 121 unsigned int hists__sort_list_width(struct hists *self); 122 123 #endif /* __PERF_HIST_H */ 124
