kern_dtrace.c File Reference

#include <sys/cdefs.h>
#include "opt_kdb.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/eventhandler.h>
#include <sys/kdb.h>
#include <sys/kernel.h>
#include <sys/malloc.h>
#include <sys/proc.h>
#include <sys/dtrace_bsd.h>
#include <sys/sysctl.h>
#include <sys/sysent.h>

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Macros
#define	KDTRACE_PROC_SIZE   64
#define	KDTRACE_THREAD_SIZE   256

Functions
	__FBSDID ("$FreeBSD$")
	FEATURE (kdtrace_hooks, "Kernel DTrace hooks which are required to load DTrace kernel modules")
static	MALLOC_DEFINE (M_KDTRACE, "kdtrace", "DTrace hooks")
size_t	kdtrace_proc_size ()
void	kdtrace_proc_ctor (struct proc *p)
void	kdtrace_proc_dtor (struct proc *p)
size_t	kdtrace_thread_size ()
void	kdtrace_thread_ctor (struct thread *td)
void	kdtrace_thread_dtor (struct thread *td)

Variables
dtrace_trap_func_t	dtrace_trap_func
dtrace_doubletrap_func_t	dtrace_doubletrap_func
dtrace_pid_probe_ptr_t	dtrace_pid_probe_ptr
dtrace_return_probe_ptr_t	dtrace_return_probe_ptr
bool __read_frequently	systrace_enabled
systrace_probe_func_t	systrace_probe_func

Macro Definition Documentation

KDTRACE_PROC_SIZE

#define KDTRACE_PROC_SIZE   64

Definition at line 45 of file kern_dtrace.c.

KDTRACE_THREAD_SIZE

#define KDTRACE_THREAD_SIZE   256

Definition at line 46 of file kern_dtrace.c.

Function Documentation

__FBSDID()

__FBSDID

(

"$FreeBSD$"

)

FEATURE()

FEATURE	(	kdtrace_hooks	,
		"Kernel DTrace hooks which are required to load DTrace kernel modules"
	)

kdtrace_proc_ctor()

void kdtrace_proc_ctor

(

struct proc *

p

)

Definition at line 71 of file kern_dtrace.c.

References KDTRACE_PROC_SIZE, and malloc().

Referenced by proc0_init(), and proc_ctor().

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kdtrace_proc_dtor()

void kdtrace_proc_dtor

(

struct proc *

p

)

Definition at line 78 of file kern_dtrace.c.

References free().

Referenced by proc_dtor().

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kdtrace_proc_size()

size_t kdtrace_proc_size

(

)

Definition at line 64 of file kern_dtrace.c.

References KDTRACE_PROC_SIZE.

kdtrace_thread_ctor()

void kdtrace_thread_ctor

(

struct thread *

td

)

Definition at line 94 of file kern_dtrace.c.

References KDTRACE_THREAD_SIZE, and malloc().

Referenced by proc0_init(), and thread_ctor().

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kdtrace_thread_dtor()

void kdtrace_thread_dtor

(

struct thread *

td

)

Definition at line 101 of file kern_dtrace.c.

References free().

Referenced by thread_dtor().

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kdtrace_thread_size()

size_t kdtrace_thread_size

(

)

Definition at line 87 of file kern_dtrace.c.

References KDTRACE_THREAD_SIZE.

MALLOC_DEFINE()

static MALLOC_DEFINE ( M_KDTRACE  , "kdtrace"  , "DTrace hooks"    )

static

Variable Documentation

dtrace_doubletrap_func

dtrace_doubletrap_func_t dtrace_doubletrap_func

Definition at line 55 of file kern_dtrace.c.

dtrace_pid_probe_ptr

dtrace_pid_probe_ptr_t dtrace_pid_probe_ptr

Definition at line 56 of file kern_dtrace.c.

dtrace_return_probe_ptr

dtrace_return_probe_ptr_t dtrace_return_probe_ptr

Definition at line 57 of file kern_dtrace.c.

dtrace_trap_func

dtrace_trap_func_t dtrace_trap_func

Definition at line 54 of file kern_dtrace.c.

systrace_enabled

bool __read_frequently systrace_enabled

Definition at line 59 of file kern_dtrace.c.

systrace_probe_func

systrace_probe_func_t systrace_probe_func

Definition at line 60 of file kern_dtrace.c.