opd_kernel.h File Reference

#include "op_types.h"

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Functions
void	opd_init_kernel_image (void)
void	opd_parse_kernel_range (char const *arg)
void	opd_clear_module_info (void)
void	opd_handle_kernel_sample (unsigned long eip, u32 counter)
int	opd_eip_is_kernel (unsigned long eip)
void	opd_add_kernel_map (struct opd_proc *proc, unsigned long eip)

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Detailed Description

Dealing with the kernel and kernel module samples

Remarks:

Copyright 2002 OProfile authors

Read the file COPYING

Author:

John Levon

Philippe Elie

Definition in file opd_kernel.h.

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Function Documentation

void opd_add_kernel_map	(	struct opd_proc *	proc,
		unsigned long	eip
	)

opd_add_kernel_map - add a module or kernel maps to a proc struct

Parameters:

	proc	owning proc of the new mapping
	eip	eip inside the new mapping

We assume than eip >= kernel_start

Definition at line 411 of file opd_kernel.c.

References app_name, opd_module::end, opd_module::image, kernel_end, kernel_start, opd_module::name, opd_image::name, opd_proc::name, opd_add_mapping(), opd_clear_module_info(), opd_drop_module_sample(), opd_find_module_by_eip(), opd_get_kernel_image(), opd_get_module_info(), opd_module::start, opd_proc::tgid, opd_proc::tid, verbprintf, vmisc, vmlinux, and vmodule.

Referenced by opd_put_sample().

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void opd_clear_module_info

(

void

)

opd_clear_module_info - clear kernel module information

Clear and free all kernel module information and reset values.

Definition at line 113 of file opd_kernel.c.

References list_entry, list_for_each_safe, list_init(), opd_module::module_list, opd_module::name, opd_clear_kernel_mapping(), verbprintf, and vmodule.

Referenced by opd_24_exit(), opd_add_kernel_map(), opd_do_notes(), and opd_handle_module_sample().

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int opd_eip_is_kernel

(

unsigned long

eip

)

opd_eip_is_kernel - is the sample from kernel/module space

Parameters:

eip

EIP value

Returns 1 if eip is in the address space starting at kernel_start, 0 otherwise.

Definition at line 394 of file opd_kernel.c.

References kernel_start.

Referenced by opd_put_sample(), and opd_remove_kernel_mapping().

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void opd_handle_kernel_sample	(	unsigned long	eip,
		u32	counter
	)

opd_handle_kernel_sample - process a kernel sample

Parameters:

	eip	EIP value of sample
	counter	counter number

Handle a sample in kernel address space or in a module. The sample is output to the relevant image file.

Definition at line 381 of file opd_kernel.c.

References kernel_end, kernel_start, no_vmlinux, opd_24_stats, opd_handle_module_sample(), OPD_KERNEL, and opd_put_image_sample().

Referenced by opd_put_sample().

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void opd_init_kernel_image

(

void

)

opd_init_kernel_image - initialise the kernel image

Definition at line 46 of file opd_kernel.c.

References opd_get_kernel_image(), opd_image::ref_count, and vmlinux.

Referenced by opd_24_init().

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void opd_parse_kernel_range

(

char const *

arg

)

opd_parse_kernel_range - parse the kernel range values

Definition at line 56 of file opd_kernel.c.

References kernel_end, kernel_start, verbprintf, and vmisc.

Referenced by opd_24_init().

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