1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef __PERF_SESSION_H 3 #define __PERF_SESSION_H 4 5 #include "trace-event.h" 6 #include "event.h" 7 #include "header.h" 8 #include "machine.h" 9 #include "data.h" 10 #include "ordered-events.h" 11 #include <linux/kernel.h> 12 #include <linux/rbtree.h> 13 #include <linux/perf_event.h> 14 15 struct ip_callchain; 16 struct symbol; 17 struct thread; 18 19 struct auxtrace; 20 struct itrace_synth_opts; 21 22 struct perf_session { 23 struct perf_header header; 24 struct machines machines; 25 struct perf_evlist *evlist; 26 struct auxtrace *auxtrace; 27 struct itrace_synth_opts *itrace_synth_opts; 28 struct list_head auxtrace_index; 29 struct trace_event tevent; 30 struct time_conv_event time_conv; 31 bool repipe; 32 bool one_mmap; 33 void *one_mmap_addr; 34 u64 one_mmap_offset; 35 struct ordered_events ordered_events; 36 struct perf_data *data; 37 struct perf_tool *tool; 38 u64 bytes_transferred; 39 u64 bytes_compressed; 40 }; 41 42 struct perf_tool; 43 44 struct perf_session *perf_session__new(struct perf_data *data, 45 bool repipe, struct perf_tool *tool); 46 void perf_session__delete(struct perf_session *session); 47 48 void perf_event_header__bswap(struct perf_event_header *hdr); 49 50 int perf_session__peek_event(struct perf_session *session, off_t file_offset, 51 void *buf, size_t buf_sz, 52 union perf_event **event_ptr, 53 struct perf_sample *sample); 54 55 int perf_session__process_events(struct perf_session *session); 56 57 int perf_session__queue_event(struct perf_session *s, union perf_event *event, 58 u64 timestamp, u64 file_offset); 59 60 void perf_tool__fill_defaults(struct perf_tool *tool); 61 62 int perf_session__resolve_callchain(struct perf_session *session, 63 struct perf_evsel *evsel, 64 struct thread *thread, 65 struct ip_callchain *chain, 66 struct symbol **parent); 67 68 bool perf_session__has_traces(struct perf_session *session, const char *msg); 69 70 void perf_event__attr_swap(struct perf_event_attr *attr); 71 72 int perf_session__create_kernel_maps(struct perf_session *session); 73 74 void perf_session__set_id_hdr_size(struct perf_session *session); 75 76 static inline 77 struct machine *perf_session__find_machine(struct perf_session *session, pid_t pid) 78 { 79 return machines__find(&session->machines, pid); 80 } 81 82 static inline 83 struct machine *perf_session__findnew_machine(struct perf_session *session, pid_t pid) 84 { 85 return machines__findnew(&session->machines, pid); 86 } 87 88 struct thread *perf_session__findnew(struct perf_session *session, pid_t pid); 89 int perf_session__register_idle_thread(struct perf_session *session); 90 91 size_t perf_session__fprintf(struct perf_session *session, FILE *fp); 92 93 size_t perf_session__fprintf_dsos(struct perf_session *session, FILE *fp); 94 95 size_t perf_session__fprintf_dsos_buildid(struct perf_session *session, FILE *fp, 96 bool (fn)(struct dso *dso, int parm), int parm); 97 98 size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp); 99 100 struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session, 101 unsigned int type); 102 103 int perf_session__cpu_bitmap(struct perf_session *session, 104 const char *cpu_list, unsigned long *cpu_bitmap); 105 106 void perf_session__fprintf_info(struct perf_session *s, FILE *fp, bool full); 107 108 struct perf_evsel_str_handler; 109 110 int __perf_session__set_tracepoints_handlers(struct perf_session *session, 111 const struct perf_evsel_str_handler *assocs, 112 size_t nr_assocs); 113 114 #define perf_session__set_tracepoints_handlers(session, array) \ 115 __perf_session__set_tracepoints_handlers(session, array, ARRAY_SIZE(array)) 116 117 extern volatile int session_done; 118 119 #define session_done() READ_ONCE(session_done) 120 121 int perf_session__deliver_synth_event(struct perf_session *session, 122 union perf_event *event, 123 struct perf_sample *sample); 124 125 int perf_event__process_id_index(struct perf_session *session, 126 union perf_event *event); 127 128 int perf_event__synthesize_id_index(struct perf_tool *tool, 129 perf_event__handler_t process, 130 struct perf_evlist *evlist, 131 struct machine *machine); 132 133 #endif /* __PERF_SESSION_H */ 134