tools/perf/util/trace-event.h

   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 thread;
  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 {
  21         RINGBUF_TYPE_PADDING            = 29,
  22         RINGBUF_TYPE_TIME_EXTEND        = 30,
  23         RINGBUF_TYPE_TIME_STAMP         = 31,
  24 };
  25
  26 #ifndef TS_SHIFT
  27 #define TS_SHIFT                27
  28 #endif
  29
  30 int bigendian(void);
  31
  32 int read_trace_init(int file_bigendian, int host_bigendian);
  33 void print_trace_event(int cpu, void *data, int size);
  34
  35 void print_event(int cpu, void *data, int size, unsigned long long nsecs,
  36                   char *comm);
  37
  38 int parse_ftrace_file(char *buf, unsigned long size);
  39 int parse_event_file(char *buf, unsigned long size, char *sys);
  40
  41 struct pevent_record *trace_peek_data(int cpu);
  42 struct event_format *trace_find_event(int type);
  43
  44 unsigned long long
  45 raw_field_value(struct event_format *event, const char *name, void *data);
  46 void *raw_field_ptr(struct event_format *event, const char *name, void *data);
  47
  48 void parse_proc_kallsyms(char *file, unsigned int size __unused);
  49 void parse_ftrace_printk(char *file, unsigned int size __unused);
  50
  51 ssize_t trace_report(int fd, bool repipe);
  52
  53 int trace_parse_common_type(void *data);
  54 int trace_parse_common_pid(void *data);
  55
  56 struct event_format *trace_find_next_event(struct event_format *event);
  57 unsigned long long read_size(void *ptr, int size);
  58 unsigned long long eval_flag(const char *flag);
  59
  60 struct pevent_record *trace_read_data(int cpu);
  61 int read_tracing_data(int fd, struct list_head *pattrs);
  62
  63 struct tracing_data {
  64         /* size is only valid if temp is 'true' */
  65         ssize_t size;
  66         bool temp;
  67         char temp_file[50];
  68 };
  69
  70 struct tracing_data *tracing_data_get(struct list_head *pattrs,
  71                                       int fd, bool temp);
  72 void tracing_data_put(struct tracing_data *tdata);
  73
  74
  75 struct scripting_ops {
  76         const char *name;
  77         int (*start_script) (const char *script, int argc, const char **argv);
  78         int (*stop_script) (void);
  79         void (*process_event) (union perf_event *event,
  80                                struct perf_sample *sample,
  81                                struct perf_evsel *evsel,
  82                                struct machine *machine,
  83                                struct thread *thread);
  84         int (*generate_script) (const char *outfile);
  85 };
  86
  87 int script_spec_register(const char *spec, struct scripting_ops *ops);
  88
  89 void setup_perl_scripting(void);
  90 void setup_python_scripting(void);
  91
  92 struct scripting_context {
  93         void *event_data;
  94 };
  95
  96 int common_pc(struct scripting_context *context);
  97 int common_flags(struct scripting_context *context);
  98 int common_lock_depth(struct scripting_context *context);
  99
 100 #endif /* _PERF_UTIL_TRACE_EVENT_H */