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