1 #ifndef __PERF_SESSION_H 2 #define __PERF_SESSION_H 3 4 #include "hist.h" 5 #include "event.h" 6 #include "header.h" 7 #include "symbol.h" 8 #include "thread.h" 9 #include <linux/rbtree.h> 10 #include "../../../include/linux/perf_event.h" 11 12 struct sample_queue; 13 struct ip_callchain; 14 struct thread; 15 16 struct ordered_samples { 17 u64 last_flush; 18 u64 next_flush; 19 u64 max_timestamp; 20 struct list_head samples; 21 struct list_head sample_cache; 22 struct list_head to_free; 23 struct sample_queue *sample_buffer; 24 struct sample_queue *last_sample; 25 int sample_buffer_idx; 26 }; 27 28 struct perf_session { 29 struct perf_header header; 30 unsigned long size; 31 unsigned long mmap_window; 32 struct rb_root threads; 33 struct list_head dead_threads; 34 struct thread *last_match; 35 struct machine host_machine; 36 struct rb_root machines; 37 struct rb_root hists_tree; 38 /* 39 * FIXME: should point to the first entry in hists_tree and 40 * be a hists instance. Right now its only 'report' 41 * that is using ->hists_tree while all the rest use 42 * ->hists. 43 */ 44 struct hists hists; 45 u64 sample_type; 46 int fd; 47 bool fd_pipe; 48 bool repipe; 49 bool sample_id_all; 50 u16 id_hdr_size; 51 int cwdlen; 52 char *cwd; 53 struct ordered_samples ordered_samples; 54 char filename[0]; 55 }; 56 57 struct perf_event_ops; 58 59 typedef int (*event_op)(event_t *self, struct sample_data *sample, 60 struct perf_session *session); 61 typedef int (*event_synth_op)(event_t *self, struct perf_session *session); 62 typedef int (*event_op2)(event_t *self, struct perf_session *session, 63 struct perf_event_ops *ops); 64 65 struct perf_event_ops { 66 event_op sample, 67 mmap, 68 comm, 69 fork, 70 exit, 71 lost, 72 read, 73 throttle, 74 unthrottle; 75 event_synth_op attr, 76 event_type, 77 tracing_data, 78 build_id; 79 event_op2 finished_round; 80 bool ordered_samples; 81 bool ordering_requires_timestamps; 82 }; 83 84 struct perf_session *perf_session__new(const char *filename, int mode, 85 bool force, bool repipe, 86 struct perf_event_ops *ops); 87 void perf_session__delete(struct perf_session *self); 88 89 void perf_event_header__bswap(struct perf_event_header *self); 90 91 int __perf_session__process_events(struct perf_session *self, 92 u64 data_offset, u64 data_size, u64 size, 93 struct perf_event_ops *ops); 94 int perf_session__process_events(struct perf_session *self, 95 struct perf_event_ops *event_ops); 96 97 struct map_symbol *perf_session__resolve_callchain(struct perf_session *self, 98 struct thread *thread, 99 struct ip_callchain *chain, 100 struct symbol **parent); 101 102 bool perf_session__has_traces(struct perf_session *self, const char *msg); 103 104 int perf_session__set_kallsyms_ref_reloc_sym(struct map **maps, 105 const char *symbol_name, 106 u64 addr); 107 108 void mem_bswap_64(void *src, int byte_size); 109 110 int perf_session__create_kernel_maps(struct perf_session *self); 111 112 int do_read(int fd, void *buf, size_t size); 113 void perf_session__update_sample_type(struct perf_session *self); 114 void perf_session__set_sample_id_all(struct perf_session *session, bool value); 115 void perf_session__set_sample_type(struct perf_session *session, u64 type); 116 void perf_session__remove_thread(struct perf_session *self, struct thread *th); 117 118 static inline 119 struct machine *perf_session__find_host_machine(struct perf_session *self) 120 { 121 return &self->host_machine; 122 } 123 124 static inline 125 struct machine *perf_session__find_machine(struct perf_session *self, pid_t pid) 126 { 127 if (pid == HOST_KERNEL_ID) 128 return &self->host_machine; 129 return machines__find(&self->machines, pid); 130 } 131 132 static inline 133 struct machine *perf_session__findnew_machine(struct perf_session *self, pid_t pid) 134 { 135 if (pid == HOST_KERNEL_ID) 136 return &self->host_machine; 137 return machines__findnew(&self->machines, pid); 138 } 139 140 static inline 141 void perf_session__process_machines(struct perf_session *self, 142 machine__process_t process) 143 { 144 process(&self->host_machine, self); 145 return machines__process(&self->machines, process, self); 146 } 147 148 size_t perf_session__fprintf_dsos(struct perf_session *self, FILE *fp); 149 150 size_t perf_session__fprintf_dsos_buildid(struct perf_session *self, 151 FILE *fp, bool with_hits); 152 153 static inline 154 size_t perf_session__fprintf_nr_events(struct perf_session *self, FILE *fp) 155 { 156 return hists__fprintf_nr_events(&self->hists, fp); 157 } 158 #endif /* __PERF_SESSION_H */ 159