On Tue, Jul 12, 2011 at 01:07:25PM +0300, Avi Kivity wrote: > On 07/12/2011 01:03 PM, Joerg Roedel wrote: >> Ingo made perf-integration a merge-requirement for LWP. It is not really >> well-suited for being integrated into perf because the design goal was >> easy and efficient self-profiling of tasks (like you stated). So >> integrating it into perf causes some pain. But lets see how it works >> out. > > I don't think it's workable. Having do_mmap() called in the task's > context can change how it works. According to Ingo that is already done at other places in the kernel and should not be an issue. > And the task being able to kill/modify the profile, and not able to > use LWP for itself, is a show stopper IMO. I agree, that is a problem we have no solution for so far. Joerg -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
