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trace-event.h
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1 #ifndef _PERF_UTIL_TRACE_EVENT_H
2 #define _PERF_UTIL_TRACE_EVENT_H
3 
4 #include "parse-events.h"
5 #include "event-parse.h"
6 #include "session.h"
7 
8 struct machine;
9 struct perf_sample;
10 union perf_event;
11 struct perf_tool;
12 
13 extern int header_page_size_size;
14 extern int header_page_ts_size;
15 extern int header_page_data_offset;
16 
17 extern bool latency_format;
18 extern struct pevent *perf_pevent;
19 
20 enum {
24 };
25 
26 #ifndef TS_SHIFT
27 #define TS_SHIFT 27
28 #endif
29 
30 int bigendian(void);
31 
33 void print_trace_event(struct pevent *pevent, int cpu, void *data, int size);
35  int cpu, void *data, int size);
36 
37 void print_event(struct pevent *pevent, int cpu, void *data, int size,
38  unsigned long long nsecs, char *comm);
39 
40 int parse_ftrace_file(struct pevent *pevent, char *buf, unsigned long size);
41 int parse_event_file(struct pevent *pevent,
42  char *buf, unsigned long size, char *sys);
43 
44 struct pevent_record *trace_peek_data(struct pevent *pevent, int cpu);
45 
46 unsigned long long
47 raw_field_value(struct event_format *event, const char *name, void *data);
48 void *raw_field_ptr(struct event_format *event, const char *name, void *data);
49 
50 void parse_proc_kallsyms(struct pevent *pevent, char *file, unsigned int size);
51 void parse_ftrace_printk(struct pevent *pevent, char *file, unsigned int size);
52 
53 ssize_t trace_report(int fd, struct pevent **pevent, bool repipe);
54 
55 int trace_parse_common_type(struct pevent *pevent, void *data);
56 int trace_parse_common_pid(struct pevent *pevent, void *data);
57 
59  struct event_format *event);
60 unsigned long long read_size(struct event_format *event, void *ptr, int size);
61 unsigned long long eval_flag(const char *flag);
62 
63 struct pevent_record *trace_read_data(struct pevent *pevent, int cpu);
64 int read_tracing_data(int fd, struct list_head *pattrs);
65 
66 struct tracing_data {
67  /* size is only valid if temp is 'true' */
69  bool temp;
70  char temp_file[50];
71 };
72 
73 struct tracing_data *tracing_data_get(struct list_head *pattrs,
74  int fd, bool temp);
75 void tracing_data_put(struct tracing_data *tdata);
76 
77 
78 struct addr_location;
79 
80 struct perf_session;
81 
82 struct scripting_ops {
83  const char *name;
84  int (*start_script) (const char *script, int argc, const char **argv);
87  struct perf_sample *sample,
88  struct perf_evsel *evsel,
89  struct machine *machine,
90  struct addr_location *al);
91  int (*generate_script) (struct pevent *pevent, const char *outfile);
92 };
93 
94 int script_spec_register(const char *spec, struct scripting_ops *ops);
95 
96 void setup_perl_scripting(void);
97 void setup_python_scripting(void);
98 
100  struct pevent *pevent;
101  void *event_data;
102 };
103 
104 int common_pc(struct scripting_context *context);
107 
108 #endif /* _PERF_UTIL_TRACE_EVENT_H */