tracing: update documentation of snapshot utility
authorHiraku Toyooka <hiraku.toyooka.gu@hitachi.com>
Fri, 8 Mar 2013 07:32:25 +0000 (16:32 +0900)
committerSteven Rostedt <rostedt@goodmis.org>
Fri, 8 Mar 2013 11:27:11 +0000 (06:27 -0500)
commit1abccd7419de9829bcdf9ab1f81d5f6cf74d55d3
treeaafe423104f8d07e7419f870463b992f1515ee19
parentc9960e48543799f168c4c9486f9790fb686ce5a8
tracing: update documentation of snapshot utility

Now, "snapshot" file returns success on a reset of snapshot buffer
even if the buffer wasn't allocated, instead of returning EINVAL.
This patch updates snapshot desctiption according to the change.

Link: http://lkml.kernel.org/r/51399409.4090207@hitachi.com
Signed-off-by: Hiraku Toyooka <hiraku.toyooka.gu@hitachi.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Documentation/trace/ftrace.txt