diff options
Diffstat (limited to 'tools/perf/util/hist.h')
| -rw-r--r-- | tools/perf/util/hist.h | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h new file mode 100644 index 00000000..2cae9df4 --- /dev/null +++ b/tools/perf/util/hist.h @@ -0,0 +1,169 @@ +#ifndef __PERF_HIST_H +#define __PERF_HIST_H + +#include <linux/types.h> +#include <pthread.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_lost_warned; + u32 nr_unknown_events; + u32 nr_invalid_chains; + u32 nr_unknown_id; + u32 nr_unprocessable_samples; +}; + +enum hist_column { + HISTC_SYMBOL, + HISTC_DSO, + HISTC_THREAD, + HISTC_COMM, + HISTC_PARENT, + HISTC_CPU, + HISTC_MISPREDICT, + HISTC_SYMBOL_FROM, + HISTC_SYMBOL_TO, + HISTC_DSO_FROM, + HISTC_DSO_TO, + HISTC_NR_COLS, /* Last entry */ +}; + +struct thread; +struct dso; + +struct hists { + struct rb_root entries_in_array[2]; + struct rb_root *entries_in; + struct rb_root entries; + struct rb_root entries_collapsed; + u64 nr_entries; + const struct thread *thread_filter; + const struct dso *dso_filter; + const char *uid_filter_str; + const char *symbol_filter_str; + pthread_mutex_t lock; + 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); +int64_t hist_entry__cmp(struct hist_entry *left, struct hist_entry *right); +int64_t hist_entry__collapse(struct hist_entry *left, struct hist_entry *right); +int hist_entry__snprintf(struct hist_entry *self, char *bf, size_t size, + struct hists *hists); +void hist_entry__free(struct hist_entry *); + +struct hist_entry *__hists__add_branch_entry(struct hists *self, + struct addr_location *al, + struct symbol *sym_parent, + struct branch_info *bi, + u64 period); + +void hists__output_resort(struct hists *self); +void hists__output_resort_threaded(struct hists *hists); +void hists__collapse_resort(struct hists *self); +void hists__collapse_resort_threaded(struct hists *hists); + +void hists__decay_entries(struct hists *hists, bool zap_user, bool zap_kernel); +void hists__decay_entries_threaded(struct hists *hists, bool zap_user, + bool zap_kernel); +void hists__output_recalc_col_len(struct hists *hists, int max_rows); + +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, bool show_header, + int max_rows, int max_cols, 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 *hists); +void hists__filter_by_thread(struct hists *hists); +void hists__filter_by_symbol(struct hists *hists); + +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, + void(*timer)(void *arg) __used, + void *arg __used, + int refresh __used) +{ + return 0; +} + +static inline int hist_entry__tui_annotate(struct hist_entry *self __used, + int evidx __used, + void(*timer)(void *arg) __used, + void *arg __used, + int delay_secs __used) +{ + return 0; +} +#define K_LEFT -1 +#define K_RIGHT -2 +#else +#include "ui/keysyms.h" +int hist_entry__tui_annotate(struct hist_entry *he, int evidx, + void(*timer)(void *arg), void *arg, int delay_secs); + +int perf_evlist__tui_browse_hists(struct perf_evlist *evlist, const char *help, + void(*timer)(void *arg), void *arg, + int refresh); +#endif + +#ifdef NO_GTK2_SUPPORT +static inline +int perf_evlist__gtk_browse_hists(struct perf_evlist *evlist __used, + const char *help __used, + void(*timer)(void *arg) __used, + void *arg __used, + int refresh __used) +{ + return 0; +} + +#else +int perf_evlist__gtk_browse_hists(struct perf_evlist *evlist, const char *help, + void(*timer)(void *arg), void *arg, + int refresh); +#endif + +unsigned int hists__sort_list_width(struct hists *self); + +#endif /* __PERF_HIST_H */ |