From: Anton Vorontsov <anton.vorontsov@linaro.org>
Date: Tue, 10 Jul 2012 00:10:42 +0000 (-0700)
Subject: tracing/function: Introduce persistent trace option
X-Git-Tag: v3.6-rc1~100^2~163
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=21f679404a0c28bd5b1b3aff2a7218bbff4cb43d;p=pandora-kernel.git

tracing/function: Introduce persistent trace option

This patch introduces 'func_ptrace' option, now available in
/sys/kernel/debug/tracing/options when function tracer
is selected.

The patch also adds some tiny code that calls back to pstore
to record the trace. The callback is no-op when PSTORE=n.

Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

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