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 #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 struct pevent *perf_pevent;
  15
  16 int bigendian(void);
  17
  18 struct pevent *read_trace_init(int file_bigendian, int host_bigendian);
  19 void event_format__print(struct event_format *event,
  20                          int cpu, void *data, int size);
  21
  22 int parse_ftrace_file(struct pevent *pevent, char *buf, unsigned long size);
  23 int parse_event_file(struct pevent *pevent,
  24                      char *buf, unsigned long size, char *sys);
  25
  26 struct pevent_record *trace_peek_data(struct pevent *pevent, int cpu);
  27
  28 unsigned long long
  29 raw_field_value(struct event_format *event, const char *name, void *data);
  30 void *raw_field_ptr(struct event_format *event, const char *name, void *data);
  31
  32 void parse_proc_kallsyms(struct pevent *pevent, char *file, unsigned int size);
  33 void parse_ftrace_printk(struct pevent *pevent, char *file, unsigned int size);
  34
  35 ssize_t trace_report(int fd, struct pevent **pevent, bool repipe);
  36
  37 int trace_parse_common_type(struct pevent *pevent, void *data);
  38 int trace_parse_common_pid(struct pevent *pevent, void *data);
  39
  40 struct event_format *trace_find_next_event(struct pevent *pevent,
  41                                            struct event_format *event);
  42 unsigned long long read_size(struct event_format *event, void *ptr, int size);
  43 unsigned long long eval_flag(const char *flag);
  44
  45 struct pevent_record *trace_read_data(struct pevent *pevent, int cpu);
  46 int read_tracing_data(int fd, struct list_head *pattrs);
  47
  48 struct tracing_data {
  49         /* size is only valid if temp is 'true' */
  50         ssize_t size;
  51         bool temp;
  52         char temp_file[50];
  53 };
  54
  55 struct tracing_data *tracing_data_get(struct list_head *pattrs,
  56                                       int fd, bool temp);
  57 int tracing_data_put(struct tracing_data *tdata);
  58
  59
  60 struct addr_location;
  61
  62 struct perf_session;
  63
  64 struct scripting_ops {
  65         const char *name;
  66         int (*start_script) (const char *script, int argc, const char **argv);
  67         int (*stop_script) (void);
  68         void (*process_event) (union perf_event *event,
  69                                struct perf_sample *sample,
  70                                struct perf_evsel *evsel,
  71                                struct machine *machine,
  72                                struct thread *thread,
  73                                    struct addr_location *al);
  74         int (*generate_script) (struct pevent *pevent, const char *outfile);
  75 };
  76
  77 int script_spec_register(const char *spec, struct scripting_ops *ops);
  78
  79 void setup_perl_scripting(void);
  80 void setup_python_scripting(void);
  81
  82 struct scripting_context {
  83         struct pevent *pevent;
  84         void *event_data;
  85 };
  86
  87 int common_pc(struct scripting_context *context);
  88 int common_flags(struct scripting_context *context);
  89 int common_lock_depth(struct scripting_context *context);
  90
  91 #endif /* _PERF_UTIL_TRACE_EVENT_H */