#ifndef __PERF_SESSION_H #define __PERF_SESSION_H #include "hist.h" #include "event.h" #include "header.h" #include "symbol.h" #include "thread.h" #include #include "../../../include/linux/perf_event.h" struct sample_queue; struct ip_callchain; struct thread; struct ordered_samples { u64 last_flush; u64 next_flush; u64 max_timestamp; struct list_head samples; struct list_head sample_cache; struct list_head to_free; struct sample_queue *sample_buffer; struct sample_queue *last_sample; int sample_buffer_idx; }; struct perf_session { struct perf_header header; unsigned long size; unsigned long mmap_window; struct rb_root threads; struct list_head dead_threads; struct thread *last_match; struct machine host_machine; struct rb_root machines; struct perf_evlist *evlist; /* * FIXME: Need to split this up further, we need global * stats + per event stats. 'perf diff' also needs * to properly support multiple events in a single * perf.data file. */ struct hists hists; u64 sample_type; int sample_size; int fd; bool fd_pipe; bool repipe; bool sample_id_all; u16 id_hdr_size; int cwdlen; char *cwd; struct ordered_samples ordered_samples; struct callchain_cursor callchain_cursor; char filename[0]; }; struct perf_evsel; struct perf_event_ops; typedef int (*event_sample)(union perf_event *event, struct perf_sample *sample, struct perf_evsel *evsel, struct perf_session *session); typedef int (*event_op)(union perf_event *self, struct perf_sample *sample, struct perf_session *session); typedef int (*event_synth_op)(union perf_event *self, struct perf_session *session); typedef int (*event_op2)(union perf_event *self, struct perf_session *session, struct perf_event_ops *ops); struct perf_event_ops { event_sample sample; event_op mmap, comm, fork, exit, lost, read, throttle, unthrottle; event_synth_op attr, event_type, tracing_data, build_id; event_op2 finished_round; bool ordered_samples; bool ordering_requires_timestamps; }; struct perf_session *perf_session__new(const char *filename, int mode, bool force, bool repipe, struct perf_event_ops *ops); void perf_session__delete(struct perf_session *self); void perf_event_header__bswap(struct perf_event_header *self); int __perf_session__process_events(struct perf_session *self, u64 data_offset, u64 data_size, u64 size, struct perf_event_ops *ops); int perf_session__process_events(struct perf_session *self, struct perf_event_ops *event_ops); int perf_session__resolve_callchain(struct perf_session *self, struct thread *thread, struct ip_callchain *chain, struct symbol **parent); bool perf_session__has_traces(struct perf_session *self, const char *msg); int perf_session__set_kallsyms_ref_reloc_sym(struct map **maps, const char *symbol_name, u64 addr); void mem_bswap_64(void *src, int byte_size); int perf_session__create_kernel_maps(struct perf_session *self); void perf_session__update_sample_type(struct perf_session *self); void perf_session__remove_thread(struct perf_session *self, struct thread *th); static inline struct machine *perf_session__find_host_machine(struct perf_session *self) { return &self->host_machine; } static inline struct machine *perf_session__find_machine(struct perf_session *self, pid_t pid) { if (pid == HOST_KERNEL_ID) return &self->host_machine; return machines__find(&self->machines, pid); } static inline struct machine *perf_session__findnew_machine(struct perf_session *self, pid_t pid) { if (pid == HOST_KERNEL_ID) return &self->host_machine; return machines__findnew(&self->machines, pid); } static inline void perf_session__process_machines(struct perf_session *self, machine__process_t process) { process(&self->host_machine, self); return machines__process(&self->machines, process, self); } size_t perf_session__fprintf_dsos(struct perf_session *self, FILE *fp); size_t perf_session__fprintf_dsos_buildid(struct perf_session *self, FILE *fp, bool with_hits); size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp); static inline int perf_session__parse_sample(struct perf_session *session, const union perf_event *event, struct perf_sample *sample) { return perf_event__parse_sample(event, session->sample_type, session->sample_size, session->sample_id_all, sample); } struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session, unsigned int type); void perf_session__print_ip(union perf_event *event, struct perf_sample *sample, struct perf_session *session, int print_sym); #endif /* __PERF_SESSION_H */