1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _PERF_UTIL_TRACE_EVENT_H
3 #define _PERF_UTIL_TRACE_EVENT_H
5 #include <traceevent/event-parse.h>
6 #include <traceevent/trace-seq.h>
7 #include "parse-events.h"
14 struct tep_plugin_list;
17 struct tep_handle *pevent;
18 struct tep_plugin_list *plugin_list;
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);
26 trace_event__tp_format(const char *sys, const char *name);
28 struct tep_event *trace_event__tp_format_id(int id);
32 void event_format__fprintf(struct tep_event *event,
33 int cpu, void *data, int size, FILE *fp);
35 void event_format__print(struct tep_event *event,
36 int cpu, void *data, int size);
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);
43 raw_field_value(struct tep_event *event, const char *name, void *data);
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);
49 ssize_t trace_report(int fd, struct trace_event *tevent, bool repipe);
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);
56 int read_tracing_data(int fd, struct list_head *pattrs);
59 /* size is only valid if temp is 'true' */
65 struct tracing_data *tracing_data_get(struct list_head *pattrs,
67 int tracing_data_put(struct tracing_data *tdata);
73 struct perf_stat_config;
75 struct scripting_ops {
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,
83 struct addr_location *al);
84 void (*process_switch)(union perf_event *event,
85 struct perf_sample *sample,
86 struct machine *machine);
87 void (*process_stat)(struct perf_stat_config *config,
88 struct evsel *evsel, u64 tstamp);
89 void (*process_stat_interval)(u64 tstamp);
90 int (*generate_script) (struct tep_handle *pevent, const char *outfile);
93 extern unsigned int scripting_max_stack;
95 int script_spec_register(const char *spec, struct scripting_ops *ops);
97 void setup_perl_scripting(void);
98 void setup_python_scripting(void);
100 struct scripting_context {
101 struct tep_handle *pevent;
105 int common_pc(struct scripting_context *context);
106 int common_flags(struct scripting_context *context);
107 int common_lock_depth(struct scripting_context *context);
109 #endif /* _PERF_UTIL_TRACE_EVENT_H */