xref: /openbmc/linux/tools/perf/util/trace-event.h (revision 161f4089)
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 #include "session.h"
7 
8 struct machine;
9 struct perf_sample;
10 union perf_event;
11 struct perf_tool;
12 struct thread;
13 
14 int bigendian(void);
15 
16 struct pevent *read_trace_init(int file_bigendian, int host_bigendian);
17 void event_format__print(struct event_format *event,
18 			 int cpu, void *data, int size);
19 
20 int parse_ftrace_file(struct pevent *pevent, char *buf, unsigned long size);
21 int parse_event_file(struct pevent *pevent,
22 		     char *buf, unsigned long size, char *sys);
23 
24 unsigned long long
25 raw_field_value(struct event_format *event, const char *name, void *data);
26 
27 void parse_proc_kallsyms(struct pevent *pevent, char *file, unsigned int size);
28 void parse_ftrace_printk(struct pevent *pevent, char *file, unsigned int size);
29 
30 ssize_t trace_report(int fd, struct pevent **pevent, bool repipe);
31 
32 struct event_format *trace_find_next_event(struct pevent *pevent,
33 					   struct event_format *event);
34 unsigned long long read_size(struct event_format *event, void *ptr, int size);
35 unsigned long long eval_flag(const char *flag);
36 
37 int read_tracing_data(int fd, struct list_head *pattrs);
38 
39 struct tracing_data {
40 	/* size is only valid if temp is 'true' */
41 	ssize_t size;
42 	bool temp;
43 	char temp_file[50];
44 };
45 
46 struct tracing_data *tracing_data_get(struct list_head *pattrs,
47 				      int fd, bool temp);
48 int tracing_data_put(struct tracing_data *tdata);
49 
50 
51 struct addr_location;
52 
53 struct perf_session;
54 
55 struct scripting_ops {
56 	const char *name;
57 	int (*start_script) (const char *script, int argc, const char **argv);
58 	int (*stop_script) (void);
59 	void (*process_event) (union perf_event *event,
60 			       struct perf_sample *sample,
61 			       struct perf_evsel *evsel,
62 			       struct machine *machine,
63 			       struct thread *thread,
64 				   struct addr_location *al);
65 	int (*generate_script) (struct pevent *pevent, const char *outfile);
66 };
67 
68 int script_spec_register(const char *spec, struct scripting_ops *ops);
69 
70 void setup_perl_scripting(void);
71 void setup_python_scripting(void);
72 
73 struct scripting_context {
74 	struct pevent *pevent;
75 	void *event_data;
76 };
77 
78 int common_pc(struct scripting_context *context);
79 int common_flags(struct scripting_context *context);
80 int common_lock_depth(struct scripting_context *context);
81 
82 #endif /* _PERF_UTIL_TRACE_EVENT_H */
83