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