On Wed, 2011-04-13 at 01:11 -0400, greenrd@xxxxxxxxxxx wrote: > If I do > > trace-cmd record -T -O userstacktrace -e all -F lxc-execute -n fedora > /bin/bash > > the userstacktrace entries all show up as all zeros, like this: > > lxc-execute-4020 [001] 4365.325591: user_stack: => > (00000000) > => (00000000) > => (00000000) > => (00000000) > => (00000000) > => (00000000) > => (00000000) > => (00000000) > > in trace-report. What kernel version was this? IIRC I fixed a bug in one of the kernel versions that caused this. I tried it out on my 2.6.33 fedora box and got the same issue, but on 2.6.38 it seemed to work. -- Steve -- To unsubscribe from this list: send the line "unsubscribe linux-trace-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html