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