From: Avadh Patel <avadh4all@gmail.com>
Date: Fri, 10 Apr 2009 20:04:48 +0000 (-0400)
Subject: tracing: add saved_cmdlines file to show cached task comms
X-Git-Tag: v2.6.31-rc1~401^2~148
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=69abe6a5d18a9394baa325bab8f57748b037c517;p=pandora-kernel.git

tracing: add saved_cmdlines file to show cached task comms

Export the cached task comms to userspace. This allows user apps to translate
the pids from a trace into their respective task command lines.

[ Impact: let userspace apps reading binary buffer know comm's of pids ]

Signed-off-by: Avadh Patel <avadh4all@gmail.com>
[ added error checking and use of buf pointer to index file_buf ]
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
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