From mboxrd@z Thu Jan 1 00:00:00 1970 From: catalin.marinas@arm.com (Catalin Marinas) Date: Tue, 09 Nov 2010 14:22:53 +0000 Subject: [PATCH 6/6] ARM: ftrace: enable function graph tracer In-Reply-To: <20101109134644.GA3163@debian> References: <1289067954-5080-1-git-send-email-rabin@rab.in> <1289067954-5080-6-git-send-email-rabin@rab.in> <20101108091858.GP16938@pengutronix.de> <20101109134644.GA3163@debian> Message-ID: <1289312573.11461.18.camel@e102109-lin.cambridge.arm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Tue, 2010-11-09 at 13:46 +0000, Rabin Vincent wrote: > Subject: [PATCHv2] ARM: ftrace: enable function graph tracer > > Add the options to enable the function graph tracer on ARM. Function > graph tracer support requires frame pointers, so exclude Thumb-2 and > also make sure FRAME_POINTER gets enabled when FUNCTION_GRAPH_TRACER is > used, since FUNCTION_TRACER doesn't "select FRAME_POINTER" when > ARM_UNWIND is used. Therefore, with GCC 4.4.0+, you get plain function > tracing without frame pointers, but you'll need them if you want > function graph tracing. > > Signed-off-by: Rabin Vincent Looks ok to me. Acked-by: Catalin Marinas