linux/tools/perf/util/trace-event.h

107 lines
3.1 KiB
C

#ifndef _PERF_UTIL_TRACE_EVENT_H
#define _PERF_UTIL_TRACE_EVENT_H
#include "parse-events.h"
#include "event-parse.h"
#include "session.h"
struct machine;
struct perf_sample;
union perf_event;
struct perf_tool;
struct thread;
extern int header_page_size_size;
extern int header_page_ts_size;
extern int header_page_data_offset;
extern bool latency_format;
extern struct pevent *perf_pevent;
enum {
RINGBUF_TYPE_PADDING = 29,
RINGBUF_TYPE_TIME_EXTEND = 30,
RINGBUF_TYPE_TIME_STAMP = 31,
};
#ifndef TS_SHIFT
#define TS_SHIFT 27
#endif
int bigendian(void);
struct pevent *read_trace_init(int file_bigendian, int host_bigendian);
void print_trace_event(struct pevent *pevent, int cpu, void *data, int size);
void event_format__print(struct event_format *event,
int cpu, void *data, int size);
void print_event(struct pevent *pevent, int cpu, void *data, int size,
unsigned long long nsecs, char *comm);
int parse_ftrace_file(struct pevent *pevent, char *buf, unsigned long size);
int parse_event_file(struct pevent *pevent,
char *buf, unsigned long size, char *sys);
struct pevent_record *trace_peek_data(struct pevent *pevent, int cpu);
unsigned long long
raw_field_value(struct event_format *event, const char *name, void *data);
void *raw_field_ptr(struct event_format *event, const char *name, void *data);
void parse_proc_kallsyms(struct pevent *pevent, char *file, unsigned int size);
void parse_ftrace_printk(struct pevent *pevent, char *file, unsigned int size);
ssize_t trace_report(int fd, struct pevent **pevent, bool repipe);
int trace_parse_common_type(struct pevent *pevent, void *data);
int trace_parse_common_pid(struct pevent *pevent, void *data);
struct event_format *trace_find_next_event(struct pevent *pevent,
struct event_format *event);
unsigned long long read_size(struct pevent *pevent, void *ptr, int size);
unsigned long long eval_flag(const char *flag);
struct pevent_record *trace_read_data(struct pevent *pevent, int cpu);
int read_tracing_data(int fd, struct list_head *pattrs);
struct tracing_data {
/* size is only valid if temp is 'true' */
ssize_t size;
bool temp;
char temp_file[50];
};
struct tracing_data *tracing_data_get(struct list_head *pattrs,
int fd, bool temp);
void tracing_data_put(struct tracing_data *tdata);
struct scripting_ops {
const char *name;
int (*start_script) (const char *script, int argc, const char **argv);
int (*stop_script) (void);
void (*process_event) (union perf_event *event,
struct pevent *pevent,
struct perf_sample *sample,
struct perf_evsel *evsel,
struct machine *machine,
struct thread *thread);
int (*generate_script) (struct pevent *pevent, const char *outfile);
};
int script_spec_register(const char *spec, struct scripting_ops *ops);
void setup_perl_scripting(void);
void setup_python_scripting(void);
struct scripting_context {
struct pevent *pevent;
void *event_data;
};
int common_pc(struct scripting_context *context);
int common_flags(struct scripting_context *context);
int common_lock_depth(struct scripting_context *context);
#endif /* _PERF_UTIL_TRACE_EVENT_H */