diff options
Diffstat (limited to 'tools/perf/util/session.h')
| -rw-r--r-- | tools/perf/util/session.h | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/tools/perf/util/session.h b/tools/perf/util/session.h new file mode 100644 index 00000000..b84c0031 --- /dev/null +++ b/tools/perf/util/session.h @@ -0,0 +1,175 @@ +#ifndef __PERF_SESSION_H +#define __PERF_SESSION_H + +#include "hist.h" +#include "event.h" +#include "header.h" +#include "symbol.h" +#include "thread.h" +#include <linux/rbtree.h> +#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); +void perf_event__attr_swap(struct perf_event_attr *attr); + +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_symbols(union perf_event *event, + struct perf_sample *sample, + struct perf_session *session); + +#endif /* __PERF_SESSION_H */ |