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 thread *last_match; 30 struct machine host_machine; 31 struct rb_root machines; 32 struct rb_root hists_tree; 33 /* 34 * FIXME: should point to the first entry in hists_tree and 35 * be a hists instance. Right now its only 'report' 36 * that is using ->hists_tree while all the rest use 37 * ->hists. 38 */ 39 struct hists hists; 40 u64 sample_type; 41 int fd; 42 bool fd_pipe; 43 bool repipe; 44 int cwdlen; 45 char *cwd; 46 struct ordered_samples ordered_samples; 47 char filename[0]; 48 }; 49 50 struct perf_event_ops; 51 52 typedef int (*event_op)(event_t *self, struct perf_session *session); 53 typedef int (*event_op2)(event_t *self, struct perf_session *session, 54 struct perf_event_ops *ops); 55 56 struct perf_event_ops { 57 event_op sample, 58 mmap, 59 comm, 60 fork, 61 exit, 62 lost, 63 read, 64 throttle, 65 unthrottle, 66 attr, 67 event_type, 68 tracing_data, 69 build_id; 70 event_op2 finished_round; 71 bool ordered_samples; 72 }; 73 74 struct perf_session *perf_session__new(const char *filename, int mode, bool force, bool repipe); 75 void perf_session__delete(struct perf_session *self); 76 77 void perf_event_header__bswap(struct perf_event_header *self); 78 79 int __perf_session__process_events(struct perf_session *self, 80 u64 data_offset, u64 data_size, u64 size, 81 struct perf_event_ops *ops); 82 int perf_session__process_events(struct perf_session *self, 83 struct perf_event_ops *event_ops); 84 85 struct map_symbol *perf_session__resolve_callchain(struct perf_session *self, 86 struct thread *thread, 87 struct ip_callchain *chain, 88 struct symbol **parent); 89 90 bool perf_session__has_traces(struct perf_session *self, const char *msg); 91 92 int perf_session__set_kallsyms_ref_reloc_sym(struct map **maps, 93 const char *symbol_name, 94 u64 addr); 95 96 void mem_bswap_64(void *src, int byte_size); 97 98 int perf_session__create_kernel_maps(struct perf_session *self); 99 100 int do_read(int fd, void *buf, size_t size); 101 void perf_session__update_sample_type(struct perf_session *self); 102 103 static inline 104 struct machine *perf_session__find_host_machine(struct perf_session *self) 105 { 106 return &self->host_machine; 107 } 108 109 static inline 110 struct machine *perf_session__find_machine(struct perf_session *self, pid_t pid) 111 { 112 if (pid == HOST_KERNEL_ID) 113 return &self->host_machine; 114 return machines__find(&self->machines, pid); 115 } 116 117 static inline 118 struct machine *perf_session__findnew_machine(struct perf_session *self, pid_t pid) 119 { 120 if (pid == HOST_KERNEL_ID) 121 return &self->host_machine; 122 return machines__findnew(&self->machines, pid); 123 } 124 125 static inline 126 void perf_session__process_machines(struct perf_session *self, 127 machine__process_t process) 128 { 129 process(&self->host_machine, self); 130 return machines__process(&self->machines, process, self); 131 } 132 133 size_t perf_session__fprintf_dsos(struct perf_session *self, FILE *fp); 134 135 static inline 136 size_t perf_session__fprintf_dsos_buildid(struct perf_session *self, FILE *fp, 137 bool with_hits) 138 { 139 return machines__fprintf_dsos_buildid(&self->machines, fp, with_hits); 140 } 141 142 static inline 143 size_t perf_session__fprintf_nr_events(struct perf_session *self, FILE *fp) 144 { 145 return hists__fprintf_nr_events(&self->hists, fp); 146 } 147 #endif /* __PERF_SESSION_H */ 148