trace-event.h 3.1 KB
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#ifndef _PERF_UTIL_TRACE_EVENT_H
#define _PERF_UTIL_TRACE_EVENT_H
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#include "parse-events.h"
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#include "event-parse.h"
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#include "session.h"
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struct machine;
struct perf_sample;
union perf_event;
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struct perf_tool;
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struct thread;
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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);

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struct pevent *read_trace_init(int file_bigendian, int host_bigendian);
void print_trace_event(struct pevent *pevent, int cpu, void *data, int size);
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void event_format__print(struct event_format *event,
			 int cpu, void *data, int size);
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void print_event(struct pevent *pevent, int cpu, void *data, int size,
		 unsigned long long nsecs, char *comm);
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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);
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struct pevent_record *trace_peek_data(struct pevent *pevent, int cpu);
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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);

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void parse_proc_kallsyms(struct pevent *pevent, char *file, unsigned int size);
void parse_ftrace_printk(struct pevent *pevent, char *file, unsigned int size);
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ssize_t trace_report(int fd, struct pevent **pevent, bool repipe);
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int trace_parse_common_type(struct pevent *pevent, void *data);
int trace_parse_common_pid(struct pevent *pevent, void *data);
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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);
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unsigned long long eval_flag(const char *flag);

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struct pevent_record *trace_read_data(struct pevent *pevent, int cpu);
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int read_tracing_data(int fd, struct list_head *pattrs);
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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);

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struct scripting_ops {
	const char *name;
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	int (*start_script) (const char *script, int argc, const char **argv);
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	int (*stop_script) (void);
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	void (*process_event) (union perf_event *event,
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			       struct pevent *pevent,
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			       struct perf_sample *sample,
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			       struct perf_evsel *evsel,
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			       struct machine *machine,
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			       struct thread *thread);
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	int (*generate_script) (struct pevent *pevent, const char *outfile);
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};

int script_spec_register(const char *spec, struct scripting_ops *ops);

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void setup_perl_scripting(void);
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void setup_python_scripting(void);
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struct scripting_context {
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	struct pevent *pevent;
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	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);

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#endif /* _PERF_UTIL_TRACE_EVENT_H */