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Documentation / acpi / method-tracing.txt




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Based on kernel version 3.16. Page generated on 2014-08-06 21:36 EST.

1	/sys/module/acpi/parameters/:
2	
3	trace_method_name
4		The AML method name that the user wants to trace
5	
6	trace_debug_layer
7		The temporary debug_layer used when tracing the method.
8		Using 0xffffffff by default if it is 0.
9	
10	trace_debug_level
11		The temporary debug_level used when tracing the method.
12		Using 0x00ffffff by default if it is 0.
13	
14	trace_state
15		The status of the tracing feature.
16	
17		"enabled" means this feature is enabled
18		and the AML method is traced every time it's executed.
19	
20		"1" means this feature is enabled and the AML method
21		will only be traced during the next execution.
22	
23		"disabled" means this feature is disabled.
24		Users can enable/disable this debug tracing feature by
25		"echo string > /sys/module/acpi/parameters/trace_state".
26		"string" should be one of "enable", "disable" and "1".
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