linux/tools/perf/util/trace-event.h
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   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
   7struct machine;
   8struct perf_sample;
   9union perf_event;
  10struct perf_tool;
  11struct thread;
  12struct plugin_list;
  13
  14struct trace_event {
  15        struct pevent           *pevent;
  16        struct plugin_list      *plugin_list;
  17};
  18
  19int trace_event__init(struct trace_event *t);
  20void trace_event__cleanup(struct trace_event *t);
  21int trace_event__register_resolver(struct machine *machine,
  22                                   pevent_func_resolver_t *func);
  23struct event_format*
  24trace_event__tp_format(const char *sys, const char *name);
  25
  26int bigendian(void);
  27
  28void event_format__fprintf(struct event_format *event,
  29                           int cpu, void *data, int size, FILE *fp);
  30
  31void event_format__print(struct event_format *event,
  32                         int cpu, void *data, int size);
  33
  34int parse_ftrace_file(struct pevent *pevent, char *buf, unsigned long size);
  35int parse_event_file(struct pevent *pevent,
  36                     char *buf, unsigned long size, char *sys);
  37
  38unsigned long long
  39raw_field_value(struct event_format *event, const char *name, void *data);
  40
  41void parse_proc_kallsyms(struct pevent *pevent, char *file, unsigned int size);
  42void parse_ftrace_printk(struct pevent *pevent, char *file, unsigned int size);
  43
  44ssize_t trace_report(int fd, struct trace_event *tevent, bool repipe);
  45
  46struct event_format *trace_find_next_event(struct pevent *pevent,
  47                                           struct event_format *event);
  48unsigned long long read_size(struct event_format *event, void *ptr, int size);
  49unsigned long long eval_flag(const char *flag);
  50
  51int read_tracing_data(int fd, struct list_head *pattrs);
  52
  53struct 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
  60struct tracing_data *tracing_data_get(struct list_head *pattrs,
  61                                      int fd, bool temp);
  62int tracing_data_put(struct tracing_data *tdata);
  63
  64
  65struct addr_location;
  66
  67struct perf_session;
  68struct perf_stat_config;
  69
  70struct 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
  85extern unsigned int scripting_max_stack;
  86
  87int script_spec_register(const char *spec, struct scripting_ops *ops);
  88
  89void setup_perl_scripting(void);
  90void setup_python_scripting(void);
  91
  92struct scripting_context {
  93        struct pevent *pevent;
  94        void *event_data;
  95};
  96
  97int common_pc(struct scripting_context *context);
  98int common_flags(struct scripting_context *context);
  99int common_lock_depth(struct scripting_context *context);
 100
 101#endif /* _PERF_UTIL_TRACE_EVENT_H */
 102