xref: /openbmc/linux/tools/perf/util/trace-event.h (revision 93df8a1e)
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 
7 struct machine;
8 struct perf_sample;
9 union perf_event;
10 struct perf_tool;
11 struct thread;
12 struct plugin_list;
13 
14 struct trace_event {
15 	struct pevent		*pevent;
16 	struct plugin_list	*plugin_list;
17 };
18 
19 int trace_event__init(struct trace_event *t);
20 void trace_event__cleanup(struct trace_event *t);
21 int trace_event__register_resolver(struct machine *machine,
22 				   pevent_func_resolver_t *func);
23 struct event_format*
24 trace_event__tp_format(const char *sys, const char *name);
25 
26 int bigendian(void);
27 
28 void event_format__fprintf(struct event_format *event,
29 			   int cpu, void *data, int size, FILE *fp);
30 
31 void event_format__print(struct event_format *event,
32 			 int cpu, void *data, int size);
33 
34 int parse_ftrace_file(struct pevent *pevent, char *buf, unsigned long size);
35 int parse_event_file(struct pevent *pevent,
36 		     char *buf, unsigned long size, char *sys);
37 
38 unsigned long long
39 raw_field_value(struct event_format *event, const char *name, void *data);
40 
41 void parse_proc_kallsyms(struct pevent *pevent, char *file, unsigned int size);
42 void parse_ftrace_printk(struct pevent *pevent, char *file, unsigned int size);
43 
44 ssize_t trace_report(int fd, struct trace_event *tevent, bool repipe);
45 
46 struct event_format *trace_find_next_event(struct pevent *pevent,
47 					   struct event_format *event);
48 unsigned long long read_size(struct event_format *event, void *ptr, int size);
49 unsigned long long eval_flag(const char *flag);
50 
51 int read_tracing_data(int fd, struct list_head *pattrs);
52 
53 struct 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 
60 struct tracing_data *tracing_data_get(struct list_head *pattrs,
61 				      int fd, bool temp);
62 int tracing_data_put(struct tracing_data *tdata);
63 
64 
65 struct addr_location;
66 
67 struct perf_session;
68 
69 struct scripting_ops {
70 	const char *name;
71 	int (*start_script) (const char *script, int argc, const char **argv);
72 	int (*flush_script) (void);
73 	int (*stop_script) (void);
74 	void (*process_event) (union perf_event *event,
75 			       struct perf_sample *sample,
76 			       struct perf_evsel *evsel,
77 			       struct addr_location *al);
78 	int (*generate_script) (struct pevent *pevent, const char *outfile);
79 };
80 
81 int script_spec_register(const char *spec, struct scripting_ops *ops);
82 
83 void setup_perl_scripting(void);
84 void setup_python_scripting(void);
85 
86 struct scripting_context {
87 	struct pevent *pevent;
88 	void *event_data;
89 };
90 
91 int common_pc(struct scripting_context *context);
92 int common_flags(struct scripting_context *context);
93 int common_lock_depth(struct scripting_context *context);
94 
95 #endif /* _PERF_UTIL_TRACE_EVENT_H */
96