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 unsigned long event_total[PERF_RECORD_MAX]; 34 unsigned long unknown_events; 35 /* 36 * FIXME: should point to the first entry in hists_tree and 37 * be a hists instance. Right now its only 'report' 38 * that is using ->hists_tree while all the rest use 39 * ->hists. 40 */ 41 struct hists hists; 42 u64 sample_type; 43 int fd; 44 bool fd_pipe; 45 bool repipe; 46 int cwdlen; 47 char *cwd; 48 struct ordered_samples ordered_samples; 49 char filename[0]; 50 }; 51 52 struct perf_event_ops; 53 54 typedef int (*event_op)(event_t *self, struct perf_session *session); 55 typedef int (*event_op2)(event_t *self, struct perf_session *session, 56 struct perf_event_ops *ops); 57 58 struct perf_event_ops { 59 event_op sample, 60 mmap, 61 comm, 62 fork, 63 exit, 64 lost, 65 read, 66 throttle, 67 unthrottle, 68 attr, 69 event_type, 70 tracing_data, 71 build_id; 72 event_op2 finished_round; 73 bool ordered_samples; 74 }; 75 76 struct perf_session *perf_session__new(const char *filename, int mode, bool force, bool repipe); 77 void perf_session__delete(struct perf_session *self); 78 79 void perf_event_header__bswap(struct perf_event_header *self); 80 81 int __perf_session__process_events(struct perf_session *self, 82 u64 data_offset, u64 data_size, u64 size, 83 struct perf_event_ops *ops); 84 int perf_session__process_events(struct perf_session *self, 85 struct perf_event_ops *event_ops); 86 87 struct map_symbol *perf_session__resolve_callchain(struct perf_session *self, 88 struct thread *thread, 89 struct ip_callchain *chain, 90 struct symbol **parent); 91 92 bool perf_session__has_traces(struct perf_session *self, const char *msg); 93 94 int perf_session__set_kallsyms_ref_reloc_sym(struct map **maps, 95 const char *symbol_name, 96 u64 addr); 97 98 void mem_bswap_64(void *src, int byte_size); 99 100 int perf_session__create_kernel_maps(struct perf_session *self); 101 102 int do_read(int fd, void *buf, size_t size); 103 void perf_session__update_sample_type(struct perf_session *self); 104 105 #ifdef NO_NEWT_SUPPORT 106 static inline int perf_session__browse_hists(struct rb_root *hists __used, 107 u64 nr_hists __used, 108 u64 session_total __used, 109 const char *helpline __used, 110 const char *input_name __used) 111 { 112 return 0; 113 } 114 #else 115 int perf_session__browse_hists(struct rb_root *hists, u64 nr_hists, 116 u64 session_total, const char *helpline, 117 const char *input_name); 118 #endif 119 120 static inline 121 struct machine *perf_session__find_host_machine(struct perf_session *self) 122 { 123 return &self->host_machine; 124 } 125 126 static inline 127 struct machine *perf_session__find_machine(struct perf_session *self, pid_t pid) 128 { 129 if (pid == HOST_KERNEL_ID) 130 return &self->host_machine; 131 return machines__find(&self->machines, pid); 132 } 133 134 static inline 135 struct machine *perf_session__findnew_machine(struct perf_session *self, pid_t pid) 136 { 137 if (pid == HOST_KERNEL_ID) 138 return &self->host_machine; 139 return machines__findnew(&self->machines, pid); 140 } 141 142 static inline 143 void perf_session__process_machines(struct perf_session *self, 144 machine__process_t process) 145 { 146 process(&self->host_machine, self); 147 return machines__process(&self->machines, process, self); 148 } 149 150 size_t perf_session__fprintf_dsos(struct perf_session *self, FILE *fp); 151 152 static inline 153 size_t perf_session__fprintf_dsos_buildid(struct perf_session *self, FILE *fp, 154 bool with_hits) 155 { 156 return machines__fprintf_dsos_buildid(&self->machines, fp, with_hits); 157 } 158 #endif /* __PERF_SESSION_H */ 159