From: 구민오 <hap...@na...> - 2013-11-29 17:48:32
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Hello, Now, I have a trouble to run oprofile, especially opcontrol command, on a VM running on a XEN-based virtualized system. If I run opcontrol command with an event option, such as LLC_MISSES, then the command prints errors like followings. # opcontrol -e LLC_MISSES:10000 You cannot specify any performance counter events because OProfile is in timer mode. However, if I run the command on same native system (same H/W, but without Xen Hypervisor), it is possible to run the command. I don't know why the command runs or not. :( My Xen version is 4.3.2-pre. Linux Kernel version is 3.10.20. Best Regard. 블로그서명HAPPYKUS 언제나 즐겁고 행복하기를~~~! |
From: Maynard J. <may...@us...> - 2013-12-02 15:12:27
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On 11/29/2013 11:48 AM, 구민오 wrote: > Hello, > > > > Now, I have a trouble to run oprofile, especially opcontrol command, on a VM running on a XEN-based virtualized system. > > If I run opcontrol command with an event option, such as LLC_MISSES, then the command prints errors like followings. > > > > # opcontrol -e LLC_MISSES:10000 > > You cannot specify any performance counter events > > because OProfile is in timer mode. Right -- only timer mode is supported in a VM guest. See http://oprofile.sourceforge.net/doc/applications.html#guestsupport. -Maynard > > > > However, if I run the command on same native system (same H/W, but without Xen Hypervisor), it is possible to run the command. > > I don't know why the command runs or not. :( > > > > My Xen version is 4.3.2-pre. > > Linux Kernel version is 3.10.20. > > > > Best Regard. > > > > > 블로그서명 > 블로그 <http://blog.naver.com/happykus.do> HAPPYKUS <http://blog.naver.com/happykus.do> > 언제나 즐겁고 행복하기를~~~! <http://blog.naver.com/happykus.do> > > > > ------------------------------------------------------------------------------ > Rapidly troubleshoot problems before they affect your business. Most IT > organizations don't have a clear picture of how application performance > affects their revenue. With AppDynamics, you get 100% visibility into your > Java,.NET, & PHP application. Start your 15-day FREE TRIAL of AppDynamics Pro! > http://pubads.g.doubleclick.net/gampad/clk?id=84349351&iu=/4140/ostg.clktrk > > > > _______________________________________________ > oprofile-list mailing list > opr...@li... > https://lists.sourceforge.net/lists/listinfo/oprofile-list > |