tools/perf/util/trace-event.h

   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
  13 extern int header_page_size_size;
  14 extern int header_page_ts_size;
  15 extern int header_page_data_offset;
  16
  17 extern bool latency_format;
  18 extern struct pevent *perf_pevent;
  19
  20 enum {
  21         RINGBUF_TYPE_PADDING            = 29,
  22         RINGBUF_TYPE_TIME_EXTEND        = 30,
  23         RINGBUF_TYPE_TIME_STAMP         = 31,
  24 };
  25
  26 #ifndef TS_SHIFT
  27 #define TS_SHIFT                27
  28 #endif
  29
  30 int bigendian(void);
  31
  32 struct pevent *read_trace_init(int file_bigendian, int host_bigendian);
  33 void event_format__print(struct event_format *event,
  34                          int cpu, void *data, int size);
  35
  36 int parse_ftrace_file(struct pevent *pevent, char *buf, unsigned long size);
  37 int parse_event_file(struct pevent *pevent,
  38                      char *buf, unsigned long size, char *sys);
  39
  40 struct pevent_record *trace_peek_data(struct pevent *pevent, int cpu);
  41
  42 unsigned long long
  43 raw_field_value(struct event_format *event, const char *name, void *data);
  44 void *raw_field_ptr(struct event_format *event, const char *name, void *data);
  45
  46 void parse_proc_kallsyms(struct pevent *pevent, char *file, unsigned int size);
  47 void parse_ftrace_printk(struct pevent *pevent, char *file, unsigned int size);
  48
  49 ssize_t trace_report(int fd, struct pevent **pevent, bool repipe);
  50
  51 int trace_parse_common_type(struct pevent *pevent, void *data);
  52 int trace_parse_common_pid(struct pevent *pevent, void *data);
  53
  54 struct event_format *trace_find_next_event(struct pevent *pevent,
  55                                            struct event_format *event);
  56 unsigned long long read_size(struct event_format *event, void *ptr, int size);
  57 unsigned long long eval_flag(const char *flag);
  58
  59 struct pevent_record *trace_read_data(struct pevent *pevent, int cpu);
  60 int read_tracing_data(int fd, struct list_head *pattrs);
  61
  62 struct tracing_data {
  63         /* size is only valid if temp is 'true' */
  64         ssize_t size;
  65         bool temp;
  66         char temp_file[50];
  67 };
  68
  69 struct tracing_data *tracing_data_get(struct list_head *pattrs,
  70                                       int fd, bool temp);
  71 int tracing_data_put(struct tracing_data *tdata);
  72
  73
  74 struct addr_location;
  75
  76 struct perf_session;
  77
  78 struct scripting_ops {
  79         const char *name;
  80         int (*start_script) (const char *script, int argc, const char **argv);
  81         int (*stop_script) (void);
  82         void (*process_event) (union perf_event *event,
  83                                struct perf_sample *sample,
  84                                struct perf_evsel *evsel,
  85                                struct machine *machine,
  86                                struct addr_location *al);
  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 */