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 "util/compress.h" 12 #include <linux/kernel.h> 13 #include <linux/rbtree.h> 14 #include <linux/perf_event.h> 15 16 struct ip_callchain; 17 struct symbol; 18 struct thread; 19 20 struct auxtrace; 21 struct itrace_synth_opts; 22 23 struct perf_session { 24 struct perf_header header; 25 struct machines machines; 26 struct evlist *evlist; 27 struct auxtrace *auxtrace; 28 struct itrace_synth_opts *itrace_synth_opts; 29 struct list_head auxtrace_index; 30 struct trace_event tevent; 31 struct perf_record_time_conv time_conv; 32 bool repipe; 33 bool one_mmap; 34 void *one_mmap_addr; 35 u64 one_mmap_offset; 36 struct ordered_events ordered_events; 37 struct perf_data *data; 38 struct perf_tool *tool; 39 u64 bytes_transferred; 40 u64 bytes_compressed; 41 struct zstd_data zstd_data; 42 struct decomp *decomp; 43 struct decomp *decomp_last; 44 }; 45 46 struct decomp { 47 struct decomp *next; 48 u64 file_pos; 49 size_t mmap_len; 50 u64 head; 51 size_t size; 52 char data[]; 53 }; 54 55 struct perf_tool; 56 57 struct perf_session *perf_session__new(struct perf_data *data, 58 bool repipe, struct perf_tool *tool); 59 void perf_session__delete(struct perf_session *session); 60 61 void perf_event_header__bswap(struct perf_event_header *hdr); 62 63 int perf_session__peek_event(struct perf_session *session, off_t file_offset, 64 void *buf, size_t buf_sz, 65 union perf_event **event_ptr, 66 struct perf_sample *sample); 67 68 int perf_session__process_events(struct perf_session *session); 69 70 int perf_session__queue_event(struct perf_session *s, union perf_event *event, 71 u64 timestamp, u64 file_offset); 72 73 void perf_tool__fill_defaults(struct perf_tool *tool); 74 75 int perf_session__resolve_callchain(struct perf_session *session, 76 struct evsel *evsel, 77 struct thread *thread, 78 struct ip_callchain *chain, 79 struct symbol **parent); 80 81 bool perf_session__has_traces(struct perf_session *session, const char *msg); 82 83 void perf_event__attr_swap(struct perf_event_attr *attr); 84 85 int perf_session__create_kernel_maps(struct perf_session *session); 86 87 void perf_session__set_id_hdr_size(struct perf_session *session); 88 89 static inline 90 struct machine *perf_session__find_machine(struct perf_session *session, pid_t pid) 91 { 92 return machines__find(&session->machines, pid); 93 } 94 95 static inline 96 struct machine *perf_session__findnew_machine(struct perf_session *session, pid_t pid) 97 { 98 return machines__findnew(&session->machines, pid); 99 } 100 101 struct thread *perf_session__findnew(struct perf_session *session, pid_t pid); 102 int perf_session__register_idle_thread(struct perf_session *session); 103 104 size_t perf_session__fprintf(struct perf_session *session, FILE *fp); 105 106 size_t perf_session__fprintf_dsos(struct perf_session *session, FILE *fp); 107 108 size_t perf_session__fprintf_dsos_buildid(struct perf_session *session, FILE *fp, 109 bool (fn)(struct dso *dso, int parm), int parm); 110 111 size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp); 112 113 struct evsel *perf_session__find_first_evtype(struct perf_session *session, 114 unsigned int type); 115 116 int perf_session__cpu_bitmap(struct perf_session *session, 117 const char *cpu_list, unsigned long *cpu_bitmap); 118 119 void perf_session__fprintf_info(struct perf_session *s, FILE *fp, bool full); 120 121 struct evsel_str_handler; 122 123 int __perf_session__set_tracepoints_handlers(struct perf_session *session, 124 const struct evsel_str_handler *assocs, 125 size_t nr_assocs); 126 127 #define perf_session__set_tracepoints_handlers(session, array) \ 128 __perf_session__set_tracepoints_handlers(session, array, ARRAY_SIZE(array)) 129 130 extern volatile int session_done; 131 132 #define session_done() READ_ONCE(session_done) 133 134 int perf_session__deliver_synth_event(struct perf_session *session, 135 union perf_event *event, 136 struct perf_sample *sample); 137 138 int perf_event__process_id_index(struct perf_session *session, 139 union perf_event *event); 140 141 #endif /* __PERF_SESSION_H */ 142