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 "machine.h" 8 #include "symbol.h" 9 #include "thread.h" 10 #include <linux/rbtree.h> 11 #include "../../../include/uapi/linux/perf_event.h" 12 13 struct sample_queue; 14 struct ip_callchain; 15 struct thread; 16 17 struct ordered_samples { 18 u64 last_flush; 19 u64 next_flush; 20 u64 max_timestamp; 21 struct list_head samples; 22 struct list_head sample_cache; 23 struct list_head to_free; 24 struct sample_queue *sample_buffer; 25 struct sample_queue *last_sample; 26 int sample_buffer_idx; 27 unsigned int nr_samples; 28 }; 29 30 struct perf_session { 31 struct perf_header header; 32 unsigned long size; 33 unsigned long mmap_window; 34 struct machine host_machine; 35 struct rb_root machines; 36 struct perf_evlist *evlist; 37 struct pevent *pevent; 38 /* 39 * FIXME: Need to split this up further, we need global 40 * stats + per event stats. 41 */ 42 struct hists hists; 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[1]; 50 }; 51 52 struct perf_tool; 53 54 struct perf_session *perf_session__new(const char *filename, int mode, 55 bool force, bool repipe, 56 struct perf_tool *tool); 57 void perf_session__delete(struct perf_session *self); 58 59 void perf_event_header__bswap(struct perf_event_header *self); 60 61 int __perf_session__process_events(struct perf_session *self, 62 u64 data_offset, u64 data_size, u64 size, 63 struct perf_tool *tool); 64 int perf_session__process_events(struct perf_session *self, 65 struct perf_tool *tool); 66 67 int perf_session__resolve_callchain(struct perf_session *self, struct perf_evsel *evsel, 68 struct thread *thread, 69 struct ip_callchain *chain, 70 struct symbol **parent); 71 72 bool perf_session__has_traces(struct perf_session *self, const char *msg); 73 74 void mem_bswap_64(void *src, int byte_size); 75 void mem_bswap_32(void *src, int byte_size); 76 void perf_event__attr_swap(struct perf_event_attr *attr); 77 78 int perf_session__create_kernel_maps(struct perf_session *self); 79 80 void perf_session__set_id_hdr_size(struct perf_session *session); 81 void perf_session__remove_thread(struct perf_session *self, struct thread *th); 82 83 static inline 84 struct machine *perf_session__find_host_machine(struct perf_session *self) 85 { 86 return &self->host_machine; 87 } 88 89 static inline 90 struct machine *perf_session__find_machine(struct perf_session *self, pid_t pid) 91 { 92 if (pid == HOST_KERNEL_ID) 93 return &self->host_machine; 94 return machines__find(&self->machines, pid); 95 } 96 97 static inline 98 struct machine *perf_session__findnew_machine(struct perf_session *self, pid_t pid) 99 { 100 if (pid == HOST_KERNEL_ID) 101 return &self->host_machine; 102 return machines__findnew(&self->machines, pid); 103 } 104 105 static inline 106 void perf_session__process_machines(struct perf_session *self, 107 struct perf_tool *tool, 108 machine__process_t process) 109 { 110 process(&self->host_machine, tool); 111 return machines__process(&self->machines, process, tool); 112 } 113 114 struct thread *perf_session__findnew(struct perf_session *self, pid_t pid); 115 size_t perf_session__fprintf(struct perf_session *self, FILE *fp); 116 117 size_t perf_session__fprintf_dsos(struct perf_session *self, FILE *fp); 118 119 size_t perf_session__fprintf_dsos_buildid(struct perf_session *self, 120 FILE *fp, bool with_hits); 121 122 size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp); 123 124 struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session, 125 unsigned int type); 126 127 void perf_evsel__print_ip(struct perf_evsel *evsel, union perf_event *event, 128 struct perf_sample *sample, struct machine *machine, 129 int print_sym, int print_dso, int print_symoffset); 130 131 int perf_session__cpu_bitmap(struct perf_session *session, 132 const char *cpu_list, unsigned long *cpu_bitmap); 133 134 void perf_session__fprintf_info(struct perf_session *s, FILE *fp, bool full); 135 136 struct perf_evsel_str_handler; 137 138 int __perf_session__set_tracepoints_handlers(struct perf_session *session, 139 const struct perf_evsel_str_handler *assocs, 140 size_t nr_assocs); 141 142 #define perf_session__set_tracepoints_handlers(session, array) \ 143 __perf_session__set_tracepoints_handlers(session, array, ARRAY_SIZE(array)) 144 #endif /* __PERF_SESSION_H */ 145