Answer: Boot time contribution from a set of Kernel Driver modules

answer re: Boot time contribution from a set of Kernel Driver modules

Feb 13 '24

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You can use Ftrace with timestamp enabled to trace the time required for bind/unbind or any other kernel function getting executed.

Ftrace is a tracing utility built directly into the Linux kernel. Just turn on these CONFIGS in kernel:

CONFIG_FUNCTION_TRACER
CONFIG_FUNCTION_GRAPH_TRACER
CONFIG_STACK_TRACER
CONFIG_DYNAMIC_FTRACE

Your Ftrace output should look something like…

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