LXR linux/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
   8struct machine;
   9struct perf_sample;
  10union perf_event;
  11struct perf_tool;
  12struct thread;
  13
  14extern struct pevent *perf_pevent;
  15
  16int bigendian(void);
  17
  18struct pevent *read_trace_init(int file_bigendian, int host_bigendian);
  19void event_format__print(struct event_format *event,
  20                         int cpu, void *data, int size);
  21
  22int parse_ftrace_file(struct pevent *pevent, char *buf, unsigned long size);
  23int parse_event_file(struct pevent *pevent,
  24                     char *buf, unsigned long size, char *sys);
  25
  26struct pevent_record *trace_peek_data(struct pevent *pevent, int cpu);
  27
  28unsigned long long
  29raw_field_value(struct event_format *event, const char *name, void *data);
  30void *raw_field_ptr(struct event_format *event, const char *name, void *data);
  31
  32void parse_proc_kallsyms(struct pevent *pevent, char *file, unsigned int size);
  33void parse_ftrace_printk(struct pevent *pevent, char *file, unsigned int size);
  34
  35ssize_t trace_report(int fd, struct pevent **pevent, bool repipe);
  36
  37int trace_parse_common_type(struct pevent *pevent, void *data);
  38int trace_parse_common_pid(struct pevent *pevent, void *data);
  39
  40struct event_format *trace_find_next_event(struct pevent *pevent,
  41                                           struct event_format *event);
  42unsigned long long read_size(struct event_format *event, void *ptr, int size);
  43unsigned long long eval_flag(const char *flag);
  44
  45struct pevent_record *trace_read_data(struct pevent *pevent, int cpu);
  46int read_tracing_data(int fd, struct list_head *pattrs);
  47
  48struct 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
  55struct tracing_data *tracing_data_get(struct list_head *pattrs,
  56                                      int fd, bool temp);
  57int tracing_data_put(struct tracing_data *tdata);
  58
  59
  60struct addr_location;
  61
  62struct perf_session;
  63
  64struct 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
  77int script_spec_register(const char *spec, struct scripting_ops *ops);
  78
  79void setup_perl_scripting(void);
  80void setup_python_scripting(void);
  81
  82struct scripting_context {
  83        struct pevent *pevent;
  84        void *event_data;
  85};
  86
  87int common_pc(struct scripting_context *context);
  88int common_flags(struct scripting_context *context);
  89int common_lock_depth(struct scripting_context *context);
  90
  91#endif /* _PERF_UTIL_TRACE_EVENT_H */
  92