Hi - On Tue, Mar 18, 2014 at 05:14:38AM +0000, yangzy.fnst@xxxxxxxxxxxxxx wrote: > > [...] > > (For what it's worth, there are several different ways of executing systemtap > > scripts automatically at startup. There is an initscript. > > With the next version, its docs will move into 'man 8 systemtap', and grows a > > new 'onboot' option, to modules load even earlier at initramfs time via dracut.) > > What 'onboot' option it is ? It allows designated systemtap scripts (in the form of precompiled modules) to be loaded during early boot; coming in stap v2.5. > BTW, do you mean that ftrace backend is not necessary for libvirt now? I have no opinion on that. > Can it generate systemtap script automatically and load the module > on boot time without users operation? Yes. > We think adding multiple trace backends can provide more trace > interfaces for the upper tool which is based on libvirt. Developer > can chose more compatible trace scheme according to the actual > situation with more flexibility . [...] OK, I have no opinion on that. I simply wanted to point out the current capabilities of the stap initscript. - FChE -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list