From: Yossi I. <mis...@gm...> - 2012-05-30 19:36:07
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I did start the sampling.. but it looks to me like a bug in centos 6.2 driver.. I wonder if anyone else stumbled upon this behavior. On Tue, May 29, 2012 at 12:03 PM, Pedro Erencia <per...@gm...> wrote: > I'm very new to OProfile, but i'd say that you must do opcontrol -s to > start sampling, it's what opcontrol --start is supposed to do... > > > > 2012/5/28 Yossi Itigin <mis...@gm...> > >> Hi, >> >> I am trying to use oprofile to sample a running process. The process >> takes 100% CPU, but still there are no samples from it in oprofile (just >> no-vmlinux, some daemons, and opreport itself get sampled) >> However, if i start the process *after* starting oprofile (with opcontrol >> -s) - the process *does* get sampled. >> >> I am using the default oprofile which comes with centos 6.2 - 0.9.6-21, >> kernel 2.6.32-220.el6.x86_64. >> Tried to compile 0.9.7 from source and use it, but still get the same >> result. >> oprofile log does not show any buffer overflows, by the way. >> >> Thanks, >> --Yossi >> >> >> ------------------------------------------------------------------------------ >> Live Security Virtual Conference >> Exclusive live event will cover all the ways today's security and >> threat landscape has changed and how IT managers can respond. Discussions >> will include endpoint security, mobile security and the latest in malware >> threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ >> _______________________________________________ >> oprofile-list mailing list >> opr...@li... >> https://lists.sourceforge.net/lists/listinfo/oprofile-list >> >> > -- --Yossi |