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mirror of https://github.com/edk2-porting/linux-next.git synced 2024-12-12 07:14:03 +08:00
linux-next/samples/trace_events
Steven Rostedt 4d4c9cc839 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>
2014-06-21 00:18:42 -04:00
..
Makefile tracing: update sample event documentation 2009-06-16 19:53:07 -04:00
trace-events-sample.c tracing/events: don't say hi when loading the trace event sample 2009-05-06 10:38:18 +02:00
trace-events-sample.h tracing: Add __field_struct macro for TRACE_EVENT() 2014-06-21 00:18:42 -04:00