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 extern struct pevent *perf_pevent;
15 
16 int bigendian(void);
17 
18 struct pevent *read_trace_init(int file_bigendian, int host_bigendian);
19 void event_format__print(struct event_format *event,
20 			 int cpu, void *data, int size);
21 
22 int parse_ftrace_file(struct pevent *pevent, char *buf, unsigned long size);
23 int parse_event_file(struct pevent *pevent,
24 		     char *buf, unsigned long size, char *sys);
25 
26 struct pevent_record *trace_peek_data(struct pevent *pevent, int cpu);
27 
28 unsigned long long
29 raw_field_value(struct event_format *event, const char *name, void *data);
30 void *raw_field_ptr(struct event_format *event, const char *name, void *data);
31 
32 void parse_proc_kallsyms(struct pevent *pevent, char *file, unsigned int size);
33 void parse_ftrace_printk(struct pevent *pevent, char *file, unsigned int size);
34 
35 ssize_t trace_report(int fd, struct pevent **pevent, bool repipe);
36 
37 int trace_parse_common_type(struct pevent *pevent, void *data);
38 int trace_parse_common_pid(struct pevent *pevent, void *data);
39 
40 struct event_format *trace_find_next_event(struct pevent *pevent,
41 					   struct event_format *event);
42 unsigned long long read_size(struct event_format *event, void *ptr, int size);
43 unsigned long long eval_flag(const char *flag);
44 
45 struct pevent_record *trace_read_data(struct pevent *pevent, int cpu);
46 int read_tracing_data(int fd, struct list_head *pattrs);
47 
48 struct tracing_data {
49 	/* size is only valid if temp is 'true' */
50 	ssize_t size;
51 	bool temp;
52 	char temp_file[50];
53 };
54 
55 struct tracing_data *tracing_data_get(struct list_head *pattrs,
56 				      int fd, bool temp);
57 int tracing_data_put(struct tracing_data *tdata);
58 
59 
60 struct addr_location;
61 
62 struct perf_session;
63 
64 struct scripting_ops {
65 	const char *name;
66 	int (*start_script) (const char *script, int argc, const char **argv);
67 	int (*stop_script) (void);
68 	void (*process_event) (union perf_event *event,
69 			       struct perf_sample *sample,
70 			       struct perf_evsel *evsel,
71 			       struct machine *machine,
72 			       struct thread *thread,
73 				   struct addr_location *al);
74 	int (*generate_script) (struct pevent *pevent, const char *outfile);
75 };
76 
77 int script_spec_register(const char *spec, struct scripting_ops *ops);
78 
79 void setup_perl_scripting(void);
80 void setup_python_scripting(void);
81 
82 struct scripting_context {
83 	struct pevent *pevent;
84 	void *event_data;
85 };
86 
87 int common_pc(struct scripting_context *context);
88 int common_flags(struct scripting_context *context);
89 int common_lock_depth(struct scripting_context *context);
90 
91 #endif /* _PERF_UTIL_TRACE_EVENT_H */
92