On Wed, Feb 2, 2011 at 11:38 AM, Sudip Jain <sudip.j...@linaro.org> wrote: > > > ---------- Forwarded message ---------- > From: Dave Martin <dave.mar...@linaro.org> > Date: Wed, Feb 2, 2011 at 4:55 PM > Subject: Re: query regarding perf > To: Sudip Jain <sudip.j...@linaro.org> > > > On Wed, Feb 2, 2011 at 11:09 AM, Sudip Jain <sudip.j...@linaro.org> wrote: >> I am getting the error when I execute perf on U8500 >> No permission to collect stats. >> Consider tweaking /proc/sys/kernel/perf_event_paranoid. >> The problem I think is perf version and kernel version are not same.On >> ubuntu host x86 machine, if I do sudo apt-get install linux-tools-common, >> then perf runs succesfully. Even I downloaded the source code using sudo >> apt-get source linux-tools-common and re-built perf. It works. > > Yes, you'll need the perf tools to be (reasonably) in sync with the kernel. > > The linux-linaro-tools package provides the tools for the released > kernels, but if you're working with a development kernel it may be > better to build the tools yourself, as you describe. > >> Recently my ubuntu host crashed, I re-installed with 10.04, the kernel >> version is 2.6.32-21 and perf version is 2.6.35.8. So again I am getting >> the >> same error (now on ubuntu host) which I mentioned above. Though now I have >> the opportunity to debug the perf code, but that is not my target. >> I am hoping that panda/beagle is fully supported for ubuntu mainstream > > AFAIK panda and beagle both ought to work, but please shout if you run > into problems! > > Cheers > ---Dave > > > _______________________________________________ > linaro-dev mailing list > linaro-dev@lists.linaro.org > http://lists.linaro.org/mailman/listinfo/linaro-dev > >
Oops, forgot to CC that -- thanks Sudip _______________________________________________ linaro-dev mailing list linaro-dev@lists.linaro.org http://lists.linaro.org/mailman/listinfo/linaro-dev
