diff options
Diffstat (limited to 'tools/perf/util/session.h')
| -rw-r--r-- | tools/perf/util/session.h | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/tools/perf/util/session.h b/tools/perf/util/session.h new file mode 100644 index 0000000000..ee3715e856 --- /dev/null +++ b/tools/perf/util/session.h @@ -0,0 +1,164 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __PERF_SESSION_H +#define __PERF_SESSION_H + +#include "trace-event.h" +#include "event.h" +#include "header.h" +#include "machine.h" +#include "data.h" +#include "ordered-events.h" +#include "util/compress.h" +#include <linux/kernel.h> +#include <linux/rbtree.h> +#include <linux/perf_event.h> + +struct ip_callchain; +struct symbol; +struct thread; + +struct auxtrace; +struct itrace_synth_opts; + +struct decomp_data { + struct decomp *decomp; + struct decomp *decomp_last; + struct zstd_data *zstd_decomp; +}; + +struct perf_session { + struct perf_header header; + struct machines machines; + struct evlist *evlist; + struct auxtrace *auxtrace; + struct itrace_synth_opts *itrace_synth_opts; + struct list_head auxtrace_index; +#ifdef HAVE_LIBTRACEEVENT + struct trace_event tevent; +#endif + struct perf_record_time_conv time_conv; + bool repipe; + bool one_mmap; + void *one_mmap_addr; + u64 one_mmap_offset; + struct ordered_events ordered_events; + struct perf_data *data; + struct perf_tool *tool; + u64 bytes_transferred; + u64 bytes_compressed; + struct zstd_data zstd_data; + struct decomp_data decomp_data; + struct decomp_data *active_decomp; +}; + +struct decomp { + struct decomp *next; + u64 file_pos; + const char *file_path; + size_t mmap_len; + u64 head; + size_t size; + char data[]; +}; + +struct perf_tool; + +struct perf_session *__perf_session__new(struct perf_data *data, + bool repipe, int repipe_fd, + struct perf_tool *tool); + +static inline struct perf_session *perf_session__new(struct perf_data *data, + struct perf_tool *tool) +{ + return __perf_session__new(data, false, -1, tool); +} + +void perf_session__delete(struct perf_session *session); + +void perf_event_header__bswap(struct perf_event_header *hdr); + +int perf_session__peek_event(struct perf_session *session, off_t file_offset, + void *buf, size_t buf_sz, + union perf_event **event_ptr, + struct perf_sample *sample); +typedef int (*peek_events_cb_t)(struct perf_session *session, + union perf_event *event, u64 offset, + void *data); +int perf_session__peek_events(struct perf_session *session, u64 offset, + u64 size, peek_events_cb_t cb, void *data); + +int perf_session__process_events(struct perf_session *session); + +int perf_session__queue_event(struct perf_session *s, union perf_event *event, + u64 timestamp, u64 file_offset, const char *file_path); + +void perf_tool__fill_defaults(struct perf_tool *tool); + +int perf_session__resolve_callchain(struct perf_session *session, + struct evsel *evsel, + struct thread *thread, + struct ip_callchain *chain, + struct symbol **parent); + +bool perf_session__has_traces(struct perf_session *session, const char *msg); + +void perf_event__attr_swap(struct perf_event_attr *attr); + +int perf_session__create_kernel_maps(struct perf_session *session); + +void perf_session__set_id_hdr_size(struct perf_session *session); + +static inline +struct machine *perf_session__find_machine(struct perf_session *session, pid_t pid) +{ + return machines__find(&session->machines, pid); +} + +static inline +struct machine *perf_session__findnew_machine(struct perf_session *session, pid_t pid) +{ + return machines__findnew(&session->machines, pid); +} + +struct thread *perf_session__findnew(struct perf_session *session, pid_t pid); +int perf_session__register_idle_thread(struct perf_session *session); + +size_t perf_session__fprintf(struct perf_session *session, FILE *fp); + +size_t perf_session__fprintf_dsos(struct perf_session *session, FILE *fp); + +size_t perf_session__fprintf_dsos_buildid(struct perf_session *session, FILE *fp, + bool (fn)(struct dso *dso, int parm), int parm); + +size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp, + bool skip_empty); + +struct evsel *perf_session__find_first_evtype(struct perf_session *session, + unsigned int type); + +int perf_session__cpu_bitmap(struct perf_session *session, + const char *cpu_list, unsigned long *cpu_bitmap); + +void perf_session__fprintf_info(struct perf_session *s, FILE *fp, bool full); + +struct evsel_str_handler; + +#define perf_session__set_tracepoints_handlers(session, array) \ + __evlist__set_tracepoints_handlers(session->evlist, array, ARRAY_SIZE(array)) + +extern volatile int session_done; + +#define session_done() READ_ONCE(session_done) + +int perf_session__deliver_synth_event(struct perf_session *session, + union perf_event *event, + struct perf_sample *sample); + +int perf_event__process_id_index(struct perf_session *session, + union perf_event *event); + +int perf_event__process_finished_round(struct perf_tool *tool, + union perf_event *event, + struct ordered_events *oe); + +#endif /* __PERF_SESSION_H */ |