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