tools/perf/util/trace-event.h

   1 #ifndef _PERF_UTIL_TRACE_EVENT_H
   2 #define _PERF_UTIL_TRACE_EVENT_H
   3
   4 #include <traceevent/event-parse.h>
   5 #include "parse-events.h"
   6
   7 struct machine;
   8 struct perf_sample;
   9 union perf_event;
  10 struct perf_tool;
  11 struct thread;
  12 struct plugin_list;
  13
  14 struct trace_event {
  15         struct pevent           *pevent;
  16         struct plugin_list      *plugin_list;
  17 };
  18
  19 int trace_event__init(struct trace_event *t);
  20 void trace_event__cleanup(struct trace_event *t);
  21
  22 int bigendian(void);
  23
  24 void event_format__print(struct event_format *event,
  25                          int cpu, void *data, int size);
  26
  27 int parse_ftrace_file(struct pevent *pevent, char *buf, unsigned long size);
  28 int parse_event_file(struct pevent *pevent,
  29                      char *buf, unsigned long size, char *sys);
  30
  31 unsigned long long
  32 raw_field_value(struct event_format *event, const char *name, void *data);
  33
  34 void parse_proc_kallsyms(struct pevent *pevent, char *file, unsigned int size);
  35 void parse_ftrace_printk(struct pevent *pevent, char *file, unsigned int size);
  36
  37 ssize_t trace_report(int fd, struct trace_event *tevent, bool repipe);
  38
  39 struct event_format *trace_find_next_event(struct pevent *pevent,
  40                                            struct event_format *event);
  41 unsigned long long read_size(struct event_format *event, void *ptr, int size);
  42 unsigned long long eval_flag(const char *flag);
  43
  44 int read_tracing_data(int fd, struct list_head *pattrs);
  45
  46 struct tracing_data {
  47         /* size is only valid if temp is 'true' */
  48         ssize_t size;
  49         bool temp;
  50         char temp_file[50];
  51 };
  52
  53 struct tracing_data *tracing_data_get(struct list_head *pattrs,
  54                                       int fd, bool temp);
  55 int tracing_data_put(struct tracing_data *tdata);
  56
  57
  58 struct addr_location;
  59
  60 struct perf_session;
  61
  62 struct scripting_ops {
  63         const char *name;
  64         int (*start_script) (const char *script, int argc, const char **argv);
  65         int (*stop_script) (void);
  66         void (*process_event) (union perf_event *event,
  67                                struct perf_sample *sample,
  68                                struct perf_evsel *evsel,
  69                                struct machine *machine,
  70                                struct thread *thread,
  71                                    struct addr_location *al);
  72         int (*generate_script) (struct pevent *pevent, const char *outfile);
  73 };
  74
  75 int script_spec_register(const char *spec, struct scripting_ops *ops);
  76
  77 void setup_perl_scripting(void);
  78 void setup_python_scripting(void);
  79
  80 struct scripting_context {
  81         struct pevent *pevent;
  82         void *event_data;
  83 };
  84
  85 int common_pc(struct scripting_context *context);
  86 int common_flags(struct scripting_context *context);
  87 int common_lock_depth(struct scripting_context *context);
  88
  89 #endif /* _PERF_UTIL_TRACE_EVENT_H */