LINUX clock tree 확인 방법

CONFIG_COMMON_CLK_DEBUG 옵션을 켜 주면,

즉 CONFIG_COMMON_CLK_DEBUG=y 를 kernel config에 추가 해 주면,

clock tree를 확인할 수 있다.

Menu: System Type/Common Clock Framework

"DebugFS representation of clock tree"

Selects: DEBUG_FS,

Help Text

Creates a directory hierchy in debugfs for visualizing the clk
tree structure.  Each directory contains read-only members
that export information specific to that clk node: clk_rate,
clk_flags, clk_prepare_count, clk_enable_count &
clk_notifier_count.

File: drivers/clk/Kconfig line 26

Linux Versions: 3.6.11, 3.7