trace_functions_graph.c File Reference

#include <linux/debugfs.h>
#include <linux/uaccess.h>
#include <linux/ftrace.h>
#include <linux/slab.h>
#include <linux/fs.h>
#include "trace.h"
#include "trace_output.h"

Go to the source code of this file.

Data Structures
struct	fgraph_cpu_data
struct	fgraph_data

Macros
#define	TRACE_GRAPH_INDENT   2
#define	TRACE_GRAPH_PRINT_OVERRUN   0x1
#define	TRACE_GRAPH_PRINT_CPU   0x2
#define	TRACE_GRAPH_PRINT_OVERHEAD   0x4
#define	TRACE_GRAPH_PRINT_PROC   0x8
#define	TRACE_GRAPH_PRINT_DURATION   0x10
#define	TRACE_GRAPH_PRINT_ABS_TIME   0x20
#define	TRACE_GRAPH_PRINT_IRQS   0x40
#define	TRACE_GRAPH_PROCINFO_LENGTH   14

Enumerations
enum	{ DURATION_FILL_FULL = -1, DURATION_FILL_START = -2, DURATION_FILL_END = -3 }

Functions
int	ftrace_push_return_trace (unsigned long ret, unsigned long func, int *depth, unsigned long frame_pointer)
unsigned long	ftrace_return_to_handler (unsigned long frame_pointer)
int	__trace_graph_entry (struct trace_array *tr, struct ftrace_graph_ent *trace, unsigned long flags, int pc)
int	trace_graph_entry (struct ftrace_graph_ent *trace)
int	trace_graph_thresh_entry (struct ftrace_graph_ent *trace)
void	trace_graph_function (struct trace_array *tr, unsigned long ip, unsigned long parent_ip, unsigned long flags, int pc)
void	__trace_graph_return (struct trace_array *tr, struct ftrace_graph_ret *trace, unsigned long flags, int pc)
void	trace_graph_return (struct ftrace_graph_ret *trace)
void	set_graph_array (struct trace_array *tr)
void	trace_graph_thresh_return (struct ftrace_graph_ret *trace)
enum print_line_t	trace_print_graph_duration (unsigned long long duration, struct trace_seq *s)
enum print_line_t	print_graph_function_flags (struct trace_iterator *iter, u32 flags)
void	print_graph_headers (struct seq_file *s)
void	print_graph_headers_flags (struct seq_file *s, u32 flags)
void	graph_trace_open (struct trace_iterator *iter)
void	graph_trace_close (struct trace_iterator *iter)
	device_initcall (init_graph_trace)

Macro Definition Documentation

#define TRACE_GRAPH_INDENT   2

Definition at line 39 of file trace_functions_graph.c.

#define TRACE_GRAPH_PRINT_ABS_TIME   0x20

Definition at line 47 of file trace_functions_graph.c.

#define TRACE_GRAPH_PRINT_CPU   0x2

Definition at line 43 of file trace_functions_graph.c.

#define TRACE_GRAPH_PRINT_DURATION   0x10

Definition at line 46 of file trace_functions_graph.c.

#define TRACE_GRAPH_PRINT_IRQS   0x40

Definition at line 48 of file trace_functions_graph.c.

#define TRACE_GRAPH_PRINT_OVERHEAD   0x4

Definition at line 44 of file trace_functions_graph.c.

#define TRACE_GRAPH_PRINT_OVERRUN   0x1

Definition at line 42 of file trace_functions_graph.c.

#define TRACE_GRAPH_PRINT_PROC   0x8

Definition at line 45 of file trace_functions_graph.c.

#define TRACE_GRAPH_PROCINFO_LENGTH   14

Definition at line 415 of file trace_functions_graph.c.

Enumeration Type Documentation

anonymous enum

Enumerator:

DURATION_FILL_FULL
DURATION_FILL_START
DURATION_FILL_END

Definition at line 82 of file trace_functions_graph.c.

Function Documentation

int __trace_graph_entry	(	struct trace_array *	tr,
		struct ftrace_graph_ent *	trace,
		unsigned long	flags,
		int	pc
	)

Definition at line 206 of file trace_functions_graph.c.

void __trace_graph_return	(	struct trace_array *	tr,
		struct ftrace_graph_ret *	trace,
		unsigned long	flags,
		int	pc
	)

Definition at line 310 of file trace_functions_graph.c.

device_initcall

(

init_graph_trace

)

int ftrace_push_return_trace	(	unsigned long	ret,
		unsigned long	func,
		int *	depth,
		unsigned long	frame_pointer
	)

Definition at line 94 of file trace_functions_graph.c.

unsigned long ftrace_return_to_handler

(

unsigned long

frame_pointer

)

Definition at line 185 of file trace_functions_graph.c.

void graph_trace_close

(

struct trace_iterator *

iter

)

Definition at line 1410 of file trace_functions_graph.c.

void graph_trace_open

(

struct trace_iterator *

iter

)

Definition at line 1372 of file trace_functions_graph.c.

enum print_line_t print_graph_function_flags	(	struct trace_iterator *	iter,
		u32	flags
	)

Definition at line 1219 of file trace_functions_graph.c.

void print_graph_headers

(

struct seq_file *

s

)

Definition at line 1349 of file trace_functions_graph.c.

void print_graph_headers_flags	(	struct seq_file *	s,
		u32	flags
	)

Definition at line 1354 of file trace_functions_graph.c.

void set_graph_array

(

struct trace_array *

tr

)

Definition at line 354 of file trace_functions_graph.c.

int trace_graph_entry

(

struct ftrace_graph_ent *

trace

)

Definition at line 239 of file trace_functions_graph.c.

void trace_graph_function	(	struct trace_array *	tr,
		unsigned long	ip,
		unsigned long	parent_ip,
		unsigned long	flags,
		int	pc
	)

Definition at line 303 of file trace_functions_graph.c.

void trace_graph_return

(

struct ftrace_graph_ret *

trace

)

Definition at line 333 of file trace_functions_graph.c.

int trace_graph_thresh_entry

(

struct ftrace_graph_ent *

trace

)

Definition at line 274 of file trace_functions_graph.c.

void trace_graph_thresh_return

(

struct ftrace_graph_ret *

trace

)

Definition at line 363 of file trace_functions_graph.c.

enum print_line_t trace_print_graph_duration	(	unsigned long long	duration,
		struct trace_seq *	s
	)

Definition at line 670 of file trace_functions_graph.c.