On Thu, 2011-08-04 at 18:05 -0400, Jeff Johnston wrote: > On 08/04/2011 01:02 PM, Eric Schwarz wrote: > > >>>> Did you verify that oprofile works as expected on the command line? > > > > YES. I did it like onhttp://blogs.epfl.ch/article/24223 > > > > I also tried with the latest nightly build today> did not work either > > > > > > I executed both > > > > - install.sh > > > > - install-noconsolehelper.sh > > > > > > Firstly, you don't want to run both scripts. The script creates an > executable called opcontrol in the Eclipse Oprofile core > natives/linux/scripts directory. This binary is used by the OProfile > plug-in. > > The first script creates a link opcontrol -> /usr/bin/consolehelper > whereas the 2nd creates an opcontrol script which uses sudo to run > /usr/bin/opcontrol. If you run the 2nd script after the first, you will > wipe out the results of the first and end up with the sudo solution. > > I verified on an F14 VM that the install.sh works and the opcontrol > binary runs ok (queries the root password). > > However, as the blog you refer to notes: performance events don't work > because the performance counters aren't supported. You get back "No > data" under Eclipse. I get this result under my F14 VM using Fedora > VirtManager both from the command line and Eclipse. > > Following the blog's advice and switching to timer mode caused me to get > a failure under Eclipse when it attempted to specify a performance > counter event. > > "You cannot specify any performance eventsbecause Oprofile is in timer mode" > > There was no way to specify no events as un-clicking everything under > the Profile Configurations Events tab disables the Apply and Profile > buttons. > > Unless I missed something, I think you are forced to use the command > line and specify timer mode when running under a VM to get anything > other than no data.
Eric, if you run install.sh only on a clean install and on a physical machine you should definitely be able to use oprofile from within Eclipse. Make sure that you have the usermode RPM package installed. --Severin > > Am 04.08.2011 15:00, schrieb Severin Gehwolf: > >> Hi, > >> > >> On Thu, 2011-08-04 at 10:59 +0200, Eric Schwarz wrote: > >>> Hi > >>> > >>> > >>> I have troubles starting OProfile (0.9.4 latest Version for CentOS) out > >>> of Eclipse on CentOS. > >>> > >>> I have tried using CentOS 5.4 + Eclipse Helios 2 SR2 in a virtual > >>> machine (put in timer interrupt mode like described in [1]). > >> Eclipse oprofile hasn't worked very well in a virtual machine and is not > >> tested very much. It may work, if the module is manually loaded with > >> timer=1 prior profiling from within Eclipse... > >> > >> Did you verify that oprofile works as expected on the command line? If > >> yes, what sequence of commands did you execute to make it work? > >> > >>> The error is the following when clicking on "Profile As> Profile with > >>> OProfile" in the Eclipse menu: > >>> > >>> "Exit code of opcontrol indicates failure" > >>> > >>> OProfile itself is working and I also executed > >>> "natives/linux/scripts/install.sh" > >> Does this mean that if you use opcontrol in a terminal profiling works > >> for you? If yes, what is the sequence of commands you are executing? > >> > >>> I have also seen some irregularities concerning the unittests of Linux > >>> Tools 0.8.0 for OProfile support. > >>> > >>> https://hudson.eclipse.org/hudson/job/linuxtools-Indigo/346/testReport/ > >> Last time I checked all unit tests passed for me locally. I think we > >> can't run oprofile tests in the hudson job since it requires root access > >> and proper installation of consolehelper/no-consolehelper (for the time > >> being). Perhaps I'm wrong :) > >> > >>> I also tried on a real machine (CentOS 5.6 + Eclipse Indigo) and there I > >>> get also an error (I think it was the same on - I might deliver the > >>> message later since I am currently at an other place). > >> It should definitely work on a physical machine. Could you try > >> installing latest Linux Tools from updates-nightly[1] and try again. If > >> oprofile fails, it should give you some hints in the Eclipse error log. > >> > >>> Well, shouldn't it work out of the box? > >> Kind of. If you installed Linux Tools from our update-site, you need to > >> set up consolehelper manually. After this step it should work. > >> > >> Let us know how it goes. > >> > >> Thanks, > >> Severin > >> > >> [1]http://download.eclipse.org/technology/linuxtools/update/ > >> > >> _______________________________________________ > >> linuxtools-dev mailing list > >> linuxtools-dev@eclipse.org > >> https://dev.eclipse.org/mailman/listinfo/linuxtools-dev > >> > > > > > > > > _______________________________________________ > > linuxtools-dev mailing list > > linuxtools-dev@eclipse.org > > https://dev.eclipse.org/mailman/listinfo/linuxtools-dev > > _______________________________________________ > linuxtools-dev mailing list > linuxtools-dev@eclipse.org > https://dev.eclipse.org/mailman/listinfo/linuxtools-dev _______________________________________________ linuxtools-dev mailing list linuxtools-dev@eclipse.org https://dev.eclipse.org/mailman/listinfo/linuxtools-dev
