Tom Zanussi 3b772b96b8 tracing: Update some tracing_map constants and comments ...

Make it clear exactly how many keys and values are supported through
better defines, and add 1 to the vals count, since normally clients
want support for at least a hitcount and two other values.

Also, note the error return value for tracing_map_add_key/val_field()
in the comments.

Link: http://lkml.kernel.org/r/6696fa02ebc716aa344c27a571a2afaa25e5b4d4.1457029949.git.tom.zanussi@linux.intel.com

Signed-off-by: Tom Zanussi <tom.zanussi@linux.intel.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

2016-04-19 12:16:06 -04:00

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