From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Zhang Subject: Re: ftrace doesn't work - 1211 upstream kernel Date: Tue, 18 Dec 2012 19:31:55 +0800 Message-ID: <50D0542B.9060407@gmail.com> References: <50C86A0D.9060009@gmail.com> <50C877EE.60507@nvidia.com> <50C93A27.8080002@gmail.com> <87bodspaqu.fsf@amiettinen-lnx.nvidia.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <87bodspaqu.fsf-sS3DoGclAPwgdTl23f3CEMVPkgjIgRvpAL8bYrjMMd8@public.gmane.org> Sender: linux-tegra-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Antti P Miettinen Cc: linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-tegra@vger.kernel.org On 12/18/2012 06:36 AM, Antti P Miettinen wrote: > Mark Zhang writes: >> Terje, did yo test the ToT(1211) kernel? >> >> Could you tell me which ftrace configs you enabled? >> And what is your kernel command line? >> >> Mark > > Mark - what frequency are you running at? What's your CONFIG_HZ? Did > this work earlier? > root@tegra-ubuntu:~# cat /proc/cpuinfo processor : 0 model name : ARMv7 Processor rev 9 (v7l) BogoMIPS : 1993.93 Features : swp half thumb fastmult vfp edsp vfpv3 tls CPU implementer : 0x41 CPU architecture: 7 CPU variant : 0x2 CPU part : 0xc09 CPU revision : 9 [...] CONFIG_HZ=100 No idea whether it works before. Recently I'm facing some bugs so I wanna use ftrace to find out the call stack easily. > -- > Antti P Miettinen > http://www.iki.fi/~ananaza/ > > -- > To unsubscribe from this list: send the line "unsubscribe linux-tegra" in > the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org > More majordomo info at http://vger.kernel.org/majordomo-info.html >