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; 21 struct list_head sample_cache; 22 struct list_head to_free; 23 struct sample_queue *sample_buffer; 24 struct sample_queue *last_sample; 25 int sample_buffer_idx; 26 unsigned int nr_samples; 27 }; 28 29 struct perf_session { 30 struct perf_header header; 31 unsigned long size; 32 unsigned long mmap_window; 33 struct machine host_machine; 34 struct rb_root machines; 35 struct perf_evlist *evlist; 36 /* 37 * FIXME: Need to split this up further, we need global 38 * stats + per event stats. 'perf diff' also needs 39 * to properly support multiple events in a single 40 * perf.data file. 41 */ 42 struct hists hists; 43 u64 sample_type; 44 int sample_size; 45 int fd; 46 bool fd_pipe; 47 bool repipe; 48 bool sample_id_all; 49 u16 id_hdr_size; 50 int cwdlen; 51 char *cwd; 52 struct ordered_samples ordered_samples; 53 char filename[1]; 54 }; 55 56 struct perf_tool; 57 58 struct perf_session *perf_session__new(const char *filename, int mode, 59 bool force, bool repipe, 60 struct perf_tool *tool); 61 void perf_session__delete(struct perf_session *self); 62 63 void perf_event_header__bswap(struct perf_event_header *self); 64 65 int __perf_session__process_events(struct perf_session *self, 66 u64 data_offset, u64 data_size, u64 size, 67 struct perf_tool *tool); 68 int perf_session__process_events(struct perf_session *self, 69 struct perf_tool *tool); 70 71 int perf_session__resolve_callchain(struct perf_session *self, struct perf_evsel *evsel, 72 struct thread *thread, 73 struct ip_callchain *chain, 74 struct symbol **parent); 75 76 bool perf_session__has_traces(struct perf_session *self, const char *msg); 77 78 void mem_bswap_64(void *src, int byte_size); 79 void perf_event__attr_swap(struct perf_event_attr *attr); 80 81 int perf_session__create_kernel_maps(struct perf_session *self); 82 83 void perf_session__update_sample_type(struct perf_session *self); 84 void perf_session__remove_thread(struct perf_session *self, struct thread *th); 85 86 static inline 87 struct machine *perf_session__find_host_machine(struct perf_session *self) 88 { 89 return &self->host_machine; 90 } 91 92 static inline 93 struct machine *perf_session__find_machine(struct perf_session *self, pid_t pid) 94 { 95 if (pid == HOST_KERNEL_ID) 96 return &self->host_machine; 97 return machines__find(&self->machines, pid); 98 } 99 100 static inline 101 struct machine *perf_session__findnew_machine(struct perf_session *self, pid_t pid) 102 { 103 if (pid == HOST_KERNEL_ID) 104 return &self->host_machine; 105 return machines__findnew(&self->machines, pid); 106 } 107 108 static inline 109 void perf_session__process_machines(struct perf_session *self, 110 struct perf_tool *tool, 111 machine__process_t process) 112 { 113 process(&self->host_machine, tool); 114 return machines__process(&self->machines, process, tool); 115 } 116 117 struct thread *perf_session__findnew(struct perf_session *self, pid_t pid); 118 size_t perf_session__fprintf(struct perf_session *self, FILE *fp); 119 120 size_t perf_session__fprintf_dsos(struct perf_session *self, FILE *fp); 121 122 size_t perf_session__fprintf_dsos_buildid(struct perf_session *self, 123 FILE *fp, bool with_hits); 124 125 size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp); 126 127 static inline int perf_session__parse_sample(struct perf_session *session, 128 const union perf_event *event, 129 struct perf_sample *sample) 130 { 131 return perf_event__parse_sample(event, session->sample_type, 132 session->sample_size, 133 session->sample_id_all, sample, 134 session->header.needs_swap); 135 } 136 137 static inline int perf_session__synthesize_sample(struct perf_session *session, 138 union perf_event *event, 139 const struct perf_sample *sample) 140 { 141 return perf_event__synthesize_sample(event, session->sample_type, 142 sample, session->header.needs_swap); 143 } 144 145 struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session, 146 unsigned int type); 147 148 void perf_event__print_ip(union perf_event *event, struct perf_sample *sample, 149 struct machine *machine, struct perf_evsel *evsel, 150 int print_sym, int print_dso, int print_symoffset); 151 152 int perf_session__cpu_bitmap(struct perf_session *session, 153 const char *cpu_list, unsigned long *cpu_bitmap); 154 155 void perf_session__fprintf_info(struct perf_session *s, FILE *fp, bool full); 156 #endif /* __PERF_SESSION_H */ 157