Hi,* A question about how to get the non-compressed vmlinux, not vmlinuz, reasons as follows: when I want to run Oprofile, I should run this command # opcontrol --start --vmlinux=/boot/vmlinux-'uname -r' But firstly I should get the vmlinux, otherwise the following error will pop up: The specified file /boot/vmlinux-uname does not seem to be valid Make sure you are using the non-compressed image file (e.g. vmlinux not vmlinuz) I am running the Oprofile on fedora with kernel-xen 2.6.19-1.2911.6.5.fc6xen, as the latest kernel-xen version 2.6.20-1.2948 is very unstable. So I don't want to update my current kernel-xen. How can I get the vmlinux?? In fact if I run this: yum --enablerepo=core-debuginfo --enable=updates-debuginfo install\ kernel-debuginfo and then # rpm -q --list kernel-xen-debuginfo | grep vmlinux /usr/lib/debug/lib/modules/2.6.20-1.2948.fc6xen/vmlinux I will get the 2.6.20-1.2948.fc6xen vmlinux, the latest one, which doesn't match my kernel-xen 2.6.19-1.2911.6.5.fc6xen. How can I get the vmlinux which matches my kernel-xen? some relevant links about how to set up Oprofile: http://www.serpentine.com/blog/2006/12/17/make-linux-performance-analysis-easier-with-oprofile/ http://people.redhat.com/wcohen/FedoraCore6OProfileTutorial.txt Any hints will be greatly appreciated!!! Thanks!!!
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