tracing: Add documentation of snapshot utility
commitc1043fcda1b9e8e5144cfdaee7be262c50dbdead
authorHiraku Toyooka <hiraku.toyooka.gu@hitachi.com>
Wed, 26 Dec 2012 02:53:09 +0000 (26 11:53 +0900)
committerSteven Rostedt <rostedt@goodmis.org>
Wed, 30 Jan 2013 16:02:07 +0000 (30 11:02 -0500)
treea6f782ed93e322768875c4bc8c5be84809dc62f5
parentdebdd57f5145f3c6a4b3f8d0126abd1a2def7fc6
tracing: Add documentation of snapshot utility

This patch adds snapshot description in ftrace documentation.
This description includes what the snapshot is and how to use it.

Link: http://lkml.kernel.org/r/20121226025309.3252.150.stgit@liselsia
Cc: Rob Landley <rob@landley.net>
Signed-off-by: Hiraku Toyooka <hiraku.toyooka.gu@hitachi.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Documentation/trace/ftrace.txt