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 int trace_event__register_resolver(struct machine *machine,
  22                                    pevent_func_resolver_t *func);
  23 struct event_format*
  24 trace_event__tp_format(const char *sys, const char *name);
  25
  26 int bigendian(void);
  27
  28 void event_format__fprintf(struct event_format *event,
  29                            int cpu, void *data, int size, FILE *fp);
  30
  31 void event_format__print(struct event_format *event,
  32                          int cpu, void *data, int size);
  33
  34 int parse_ftrace_file(struct pevent *pevent, char *buf, unsigned long size);
  35 int parse_event_file(struct pevent *pevent,
  36                      char *buf, unsigned long size, char *sys);
  37
  38 unsigned long long
  39 raw_field_value(struct event_format *event, const char *name, void *data);
  40
  41 void parse_proc_kallsyms(struct pevent *pevent, char *file, unsigned int size);
  42 void parse_ftrace_printk(struct pevent *pevent, char *file, unsigned int size);
  43
  44 ssize_t trace_report(int fd, struct trace_event *tevent, bool repipe);
  45
  46 struct event_format *trace_find_next_event(struct pevent *pevent,
  47                                            struct event_format *event);
  48 unsigned long long read_size(struct event_format *event, void *ptr, int size);
  49 unsigned long long eval_flag(const char *flag);
  50
  51 int read_tracing_data(int fd, struct list_head *pattrs);
  52
  53 struct tracing_data {
  54         /* size is only valid if temp is 'true' */
  55         ssize_t size;
  56         bool temp;
  57         char temp_file[50];
  58 };
  59
  60 struct tracing_data *tracing_data_get(struct list_head *pattrs,
  61                                       int fd, bool temp);
  62 int tracing_data_put(struct tracing_data *tdata);
  63
  64
  65 struct addr_location;
  66
  67 struct perf_session;
  68 struct perf_stat_config;
  69
  70 struct scripting_ops {
  71         const char *name;
  72         int (*start_script) (const char *script, int argc, const char **argv);
  73         int (*flush_script) (void);
  74         int (*stop_script) (void);
  75         void (*process_event) (union perf_event *event,
  76                                struct perf_sample *sample,
  77                                struct perf_evsel *evsel,
  78                                struct addr_location *al);
  79         void (*process_stat)(struct perf_stat_config *config,
  80                              struct perf_evsel *evsel, u64 tstamp);
  81         void (*process_stat_interval)(u64 tstamp);
  82         int (*generate_script) (struct pevent *pevent, const char *outfile);
  83 };
  84
  85 extern unsigned int scripting_max_stack;
  86
  87 int script_spec_register(const char *spec, struct scripting_ops *ops);
  88
  89 void setup_perl_scripting(void);
  90 void setup_python_scripting(void);
  91
  92 struct scripting_context {
  93         struct pevent *pevent;
  94         void *event_data;
  95 };
  96
  97 int common_pc(struct scripting_context *context);
  98 int common_flags(struct scripting_context *context);
  99 int common_lock_depth(struct scripting_context *context);
 100
 101 #endif /* _PERF_UTIL_TRACE_EVENT_H */