function::set_kernel_string - Linux

Overview

function::set_kernel_string is a Linux command that allows the setting of kernel string parameters. Kernel strings are used for storing certain system-specific data. This command is typically used in advanced kernel configuration or debugging scenarios.

Syntax

function::set_kernel_string <string_name> <string_value>

Options/Flags

None

Examples

Set the uvesafb.vbe_mode kernel string to 0x0101:

function::set_kernel_string uvesafb.vbe_mode 0x0101

Read the current value of the processor.max_cstates kernel string:

cat /sys/kernel/debug/x86/processor/0/max_cstates

Common Issues

• Permission denied: Ensure you have root or sufficient privileges to modify kernel string parameters.
• Invalid string name: Verify that the provided string name is valid and matches the kernel’s expected format.
• Invalid string value: Ensure that the provided string value is in the correct format and complies with the kernel’s requirements.

Integration

function::set_kernel_string can be used in conjunction with other Linux commands or tools, such as:

• sysctl for managing runtime kernel settings
• kconfig for compiling custom kernels

Related Commands

• function::get_kernel_string
• kallsyms
• procinfo