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
   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
  26struct event_format *trace_event__tp_format_id(int id);
  27
  28int bigendian(void);
  29
  30void event_format__fprintf(struct event_format *event,
  31                           int cpu, void *data, int size, FILE *fp);
  32
  33void event_format__print(struct event_format *event,
  34                         int cpu, void *data, int size);
  35
  36int parse_ftrace_file(struct pevent *pevent, char *buf, unsigned long size);
  37int parse_event_file(struct pevent *pevent,
  38                     char *buf, unsigned long size, char *sys);
  39
  40unsigned long long
  41raw_field_value(struct event_format *event, const char *name, void *data);
  42
  43void parse_proc_kallsyms(struct pevent *pevent, char *file, unsigned int size);
  44void parse_ftrace_printk(struct pevent *pevent, char *file, unsigned int size);
  45
  46ssize_t trace_report(int fd, struct trace_event *tevent, bool repipe);
  47
  48struct event_format *trace_find_next_event(struct pevent *pevent,
  49                                           struct event_format *event);
  50unsigned long long read_size(struct event_format *event, void *ptr, int size);
  51unsigned long long eval_flag(const char *flag);
  52
  53int read_tracing_data(int fd, struct list_head *pattrs);
  54
  55struct tracing_data {
  56        /* size is only valid if temp is 'true' */
  57        ssize_t size;
  58        bool temp;
  59        char temp_file[50];
  60};
  61
  62struct tracing_data *tracing_data_get(struct list_head *pattrs,
  63                                      int fd, bool temp);
  64int tracing_data_put(struct tracing_data *tdata);
  65
  66
  67struct addr_location;
  68
  69struct perf_session;
  70struct perf_stat_config;
  71
  72struct scripting_ops {
  73        const char *name;
  74        int (*start_script) (const char *script, int argc, const char **argv);
  75        int (*flush_script) (void);
  76        int (*stop_script) (void);
  77        void (*process_event) (union perf_event *event,
  78                               struct perf_sample *sample,
  79                               struct perf_evsel *evsel,
  80                               struct addr_location *al);
  81        void (*process_stat)(struct perf_stat_config *config,
  82                             struct perf_evsel *evsel, u64 tstamp);
  83        void (*process_stat_interval)(u64 tstamp);
  84        int (*generate_script) (struct pevent *pevent, const char *outfile);
  85};
  86
  87extern unsigned int scripting_max_stack;
  88
  89int script_spec_register(const char *spec, struct scripting_ops *ops);
  90
  91void setup_perl_scripting(void);
  92void setup_python_scripting(void);
  93
  94struct scripting_context {
  95        struct pevent *pevent;
  96        void *event_data;
  97};
  98
  99int common_pc(struct scripting_context *context);
 100int common_flags(struct scripting_context *context);
 101int common_lock_depth(struct scripting_context *context);
 102
 103#endif /* _PERF_UTIL_TRACE_EVENT_H */
 104