1 #ifndef _PERF_UTIL_TRACE_EVENT_H 2 #define _PERF_UTIL_TRACE_EVENT_H 3 4 #include "parse-events.h" 5 #include "event-parse.h" 6 #include "session.h" 7 8 struct machine; 9 struct perf_sample; 10 union perf_event; 11 struct perf_tool; 12 struct thread; 13 14 extern int header_page_size_size; 15 extern int header_page_ts_size; 16 extern int header_page_data_offset; 17 18 extern bool latency_format; 19 extern struct pevent *perf_pevent; 20 21 enum { 22 RINGBUF_TYPE_PADDING = 29, 23 RINGBUF_TYPE_TIME_EXTEND = 30, 24 RINGBUF_TYPE_TIME_STAMP = 31, 25 }; 26 27 #ifndef TS_SHIFT 28 #define TS_SHIFT 27 29 #endif 30 31 int bigendian(void); 32 33 struct pevent *read_trace_init(int file_bigendian, int host_bigendian); 34 void print_trace_event(struct pevent *pevent, int cpu, void *data, int size); 35 36 void print_event(struct pevent *pevent, int cpu, void *data, int size, 37 unsigned long long nsecs, char *comm); 38 39 int parse_ftrace_file(struct pevent *pevent, char *buf, unsigned long size); 40 int parse_event_file(struct pevent *pevent, 41 char *buf, unsigned long size, char *sys); 42 43 struct pevent_record *trace_peek_data(struct pevent *pevent, int cpu); 44 45 unsigned long long 46 raw_field_value(struct event_format *event, const char *name, void *data); 47 void *raw_field_ptr(struct event_format *event, const char *name, void *data); 48 49 void parse_proc_kallsyms(struct pevent *pevent, char *file, unsigned int size); 50 void parse_ftrace_printk(struct pevent *pevent, char *file, unsigned int size); 51 52 ssize_t trace_report(int fd, struct pevent **pevent, bool repipe); 53 54 int trace_parse_common_type(struct pevent *pevent, void *data); 55 int trace_parse_common_pid(struct pevent *pevent, void *data); 56 57 struct event_format *trace_find_next_event(struct pevent *pevent, 58 struct event_format *event); 59 unsigned long long read_size(struct pevent *pevent, void *ptr, int size); 60 unsigned long long eval_flag(const char *flag); 61 62 struct pevent_record *trace_read_data(struct pevent *pevent, int cpu); 63 int read_tracing_data(int fd, struct list_head *pattrs); 64 65 struct tracing_data { 66 /* size is only valid if temp is 'true' */ 67 ssize_t size; 68 bool temp; 69 char temp_file[50]; 70 }; 71 72 struct tracing_data *tracing_data_get(struct list_head *pattrs, 73 int fd, bool temp); 74 void tracing_data_put(struct tracing_data *tdata); 75 76 77 struct scripting_ops { 78 const char *name; 79 int (*start_script) (const char *script, int argc, const char **argv); 80 int (*stop_script) (void); 81 void (*process_event) (union perf_event *event, 82 struct pevent *pevent, 83 struct perf_sample *sample, 84 struct perf_evsel *evsel, 85 struct machine *machine, 86 struct thread *thread); 87 int (*generate_script) (struct pevent *pevent, const char *outfile); 88 }; 89 90 int script_spec_register(const char *spec, struct scripting_ops *ops); 91 92 void setup_perl_scripting(void); 93 void setup_python_scripting(void); 94 95 struct scripting_context { 96 struct pevent *pevent; 97 void *event_data; 98 }; 99 100 int common_pc(struct scripting_context *context); 101 int common_flags(struct scripting_context *context); 102 int common_lock_depth(struct scripting_context *context); 103 104 #endif /* _PERF_UTIL_TRACE_EVENT_H */ 105