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authorSteven Rostedt <rostedt@goodmis.org>2014-06-17 16:59:16 +0400
committerSteven Rostedt <rostedt@goodmis.org>2014-06-21 08:18:42 +0400
commit4d4c9cc839a308be3289a361ccba4447ee140552 (patch)
tree404a0a22a3700c16ef3437b69fefe46c06cf5f91 /drivers/ras
parentea73c79e33c45e1fa0071e216f06fd5682314490 (diff)
downloadlinux-4d4c9cc839a308be3289a361ccba4447ee140552.tar.xz
tracing: Add __field_struct macro for TRACE_EVENT()
Currently the __field() macro in TRACE_EVENT is only good for primitive values, such as integers and pointers, but it fails on complex data types such as structures or unions. This is because the __field() macro determines if the variable is signed or not with the test of: (((type)(-1)) < (type)1) Unfortunately, that fails when type is a structure. Since trace events should support structures as fields a new macro is created for such a case called __field_struct() which acts exactly the same as __field() does but it does not do the signed type check and just uses a constant false for that answer. Cc: Tony Luck <tony.luck@gmail.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
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