| /sys/module/acpi/parameters/: |
| The AML method name that the user wants to trace |
| The temporary debug_layer used when tracing the method. |
| Using 0xffffffff by default if it is 0. |
| The temporary debug_level used when tracing the method. |
| Using 0x00ffffff by default if it is 0. |
| The status of the tracing feature. |
| "enabled" means this feature is enabled |
| and the AML method is traced every time it's executed. |
| "1" means this feature is enabled and the AML method |
| will only be traced during the next execution. |
| "disabled" means this feature is disabled. |
| Users can enable/disable this debug tracing feature by |
| "echo string > /sys/module/acpi/parameters/trace_state". |
| "string" should be one of "enable", "disable" and "1". |