LXR linux/tools/perf/util/trace-event.h

   1/* SPDX-License-Identifier: GPL-2.0 */
   2#ifndef _PERF_UTIL_TRACE_EVENT_H
   3#define _PERF_UTIL_TRACE_EVENT_H
   4
   5#include <traceevent/event-parse.h>
   6#include "parse-events.h"
   7
   8struct machine;
   9struct perf_sample;
  10union perf_event;
  11struct perf_tool;
  12struct thread;
  13struct plugin_list;
  14
  15struct trace_event {
  16        struct tep_handle       *pevent;
  17        struct plugin_list      *plugin_list;
  18};
  19
  20int trace_event__init(struct trace_event *t);
  21void trace_event__cleanup(struct trace_event *t);
  22int trace_event__register_resolver(struct machine *machine,
  23                                   tep_func_resolver_t *func);
  24struct event_format*
  25trace_event__tp_format(const char *sys, const char *name);
  26
  27struct event_format *trace_event__tp_format_id(int id);
  28
  29int bigendian(void);
  30
  31void event_format__fprintf(struct event_format *event,
  32                           int cpu, void *data, int size, FILE *fp);
  33
  34void event_format__print(struct event_format *event,
  35                         int cpu, void *data, int size);
  36
  37int parse_ftrace_file(struct tep_handle *pevent, char *buf, unsigned long size);
  38int parse_event_file(struct tep_handle *pevent,
  39                     char *buf, unsigned long size, char *sys);
  40
  41unsigned long long
  42raw_field_value(struct event_format *event, const char *name, void *data);
  43
  44void parse_proc_kallsyms(struct tep_handle *pevent, char *file, unsigned int size);
  45void parse_ftrace_printk(struct tep_handle *pevent, char *file, unsigned int size);
  46void parse_saved_cmdline(struct tep_handle *pevent, char *file, unsigned int size);
  47
  48ssize_t trace_report(int fd, struct trace_event *tevent, bool repipe);
  49
  50struct event_format *trace_find_next_event(struct tep_handle *pevent,
  51                                           struct event_format *event);
  52unsigned long long read_size(struct event_format *event, void *ptr, int size);
  53unsigned long long eval_flag(const char *flag);
  54
  55int read_tracing_data(int fd, struct list_head *pattrs);
  56
  57struct tracing_data {
  58        /* size is only valid if temp is 'true' */
  59        ssize_t size;
  60        bool temp;
  61        char temp_file[50];
  62};
  63
  64struct tracing_data *tracing_data_get(struct list_head *pattrs,
  65                                      int fd, bool temp);
  66int tracing_data_put(struct tracing_data *tdata);
  67
  68
  69struct addr_location;
  70
  71struct perf_session;
  72struct perf_stat_config;
  73
  74struct scripting_ops {
  75        const char *name;
  76        int (*start_script) (const char *script, int argc, const char **argv);
  77        int (*flush_script) (void);
  78        int (*stop_script) (void);
  79        void (*process_event) (union perf_event *event,
  80                               struct perf_sample *sample,
  81                               struct perf_evsel *evsel,
  82                               struct addr_location *al);
  83        void (*process_stat)(struct perf_stat_config *config,
  84                             struct perf_evsel *evsel, u64 tstamp);
  85        void (*process_stat_interval)(u64 tstamp);
  86        int (*generate_script) (struct tep_handle *pevent, const char *outfile);
  87};
  88
  89extern unsigned int scripting_max_stack;
  90
  91int script_spec_register(const char *spec, struct scripting_ops *ops);
  92
  93void setup_perl_scripting(void);
  94void setup_python_scripting(void);
  95
  96struct scripting_context {
  97        struct tep_handle *pevent;
  98        void *event_data;
  99};
 100
 101int common_pc(struct scripting_context *context);
 102int common_flags(struct scripting_context *context);
 103int common_lock_depth(struct scripting_context *context);
 104
 105#endif /* _PERF_UTIL_TRACE_EVENT_H */
 106