trace_output.h File Reference

#include <linux/trace_seq.h>
#include "trace.h"

Go to the source code of this file.

Macros
#define	MAX_MEMHEX_BYTES   8
#define	HEX_CHARS   (MAX_MEMHEX_BYTES*2 + 1)
#define	SEQ_PUT_FIELD_RET(s, x)
#define	SEQ_PUT_HEX_FIELD_RET(s, x)

Functions
enum print_line_t	trace_print_bprintk_msg_only (struct trace_iterator *iter)
enum print_line_t	trace_print_printk_msg_only (struct trace_iterator *iter)
int	seq_print_ip_sym (struct trace_seq *s, unsigned long ip, unsigned long sym_flags)
int	seq_print_userip_objs (const struct userstack_entry *entry, struct trace_seq *s, unsigned long sym_flags)
int	seq_print_user_ip (struct trace_seq *s, struct mm_struct *mm, unsigned long ip, unsigned long sym_flags)
int	trace_print_context (struct trace_iterator *iter)
int	trace_print_lat_context (struct trace_iterator *iter)
void	trace_event_read_lock (void)
void	trace_event_read_unlock (void)
struct trace_event *	ftrace_find_event (int type)
enum print_line_t	trace_nop_print (struct trace_iterator *iter, int flags, struct trace_event *event)
int	trace_print_lat_fmt (struct trace_seq *s, struct trace_entry *entry)
int	__unregister_ftrace_event (struct trace_event *event)

Variables
struct rw_semaphore	trace_event_mutex

Macro Definition Documentation

#define HEX_CHARS   (MAX_MEMHEX_BYTES*2 + 1)

Definition at line 37 of file trace_output.h.

#define MAX_MEMHEX_BYTES   8

Definition at line 36 of file trace_output.h.

#define SEQ_PUT_FIELD_RET	(		s,
			x
	)

Value:

do {                            \
    if (!trace_seq_putmem(s, &(x), sizeof(x)))  \
        return TRACE_TYPE_PARTIAL_LINE;     \
} while (0)

Definition at line 39 of file trace_output.h.

#define SEQ_PUT_HEX_FIELD_RET	(		s,
			x
	)

Value:

do {                            \
    BUILD_BUG_ON(sizeof(x) > MAX_MEMHEX_BYTES); \
    if (!trace_seq_putmem_hex(s, &(x), sizeof(x)))  \
        return TRACE_TYPE_PARTIAL_LINE;     \
} while (0)

Definition at line 45 of file trace_output.h.

Function Documentation

int __unregister_ftrace_event

(

struct trace_event *

event

)

Definition at line 851 of file trace_output.c.

struct trace_event* ftrace_find_event ( int  type )

read

ftrace_find_event - find a registered event : the type of event to look for

Returns an event of type otherwise NULL Called with trace_event_read_lock() held.

Definition at line 711 of file trace_output.c.

int seq_print_ip_sym	(	struct trace_seq *	s,
		unsigned long	ip,
		unsigned long	sym_flags
	)

Definition at line 535 of file trace_output.c.

int seq_print_user_ip	(	struct trace_seq *	s,
		struct mm_struct *	mm,
		unsigned long	ip,
		unsigned long	sym_flags
	)

Definition at line 455 of file trace_output.c.

int seq_print_userip_objs	(	const struct userstack_entry *	entry,
		struct trace_seq *	s,
		unsigned long	sym_flags
	)

Definition at line 488 of file trace_output.c.

void trace_event_read_lock

(

void

)

Definition at line 757 of file trace_output.c.

void trace_event_read_unlock

(

void

)

Definition at line 762 of file trace_output.c.

enum print_line_t trace_nop_print	(	struct trace_iterator *	iter,
		int	flags,
		struct trace_event *	event
	)

Definition at line 876 of file trace_output.c.

enum print_line_t trace_print_bprintk_msg_only

(

struct trace_iterator *

iter

)

Definition at line 40 of file trace_output.c.

int trace_print_context

(

struct trace_iterator *

iter

)

Definition at line 624 of file trace_output.c.

int trace_print_lat_context

(

struct trace_iterator *

iter

)

Definition at line 651 of file trace_output.c.

int trace_print_lat_fmt	(	struct trace_seq *	s,
		struct trace_entry *	entry
	)

trace_print_lat_fmt - print the irq, preempt and lockdep fields : trace seq struct to write to : The trace entry field from the ring buffer

Prints the generic fields of irqs off, in hard or softirq, preempt count.

Definition at line 563 of file trace_output.c.

enum print_line_t trace_print_printk_msg_only

(

struct trace_iterator *

iter

)

Definition at line 56 of file trace_output.c.

Variable Documentation

struct rw_semaphore trace_event_mutex