[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] RE: [Xen-devel] throttling logs messages from qemu
> > On Fri, 31 Jul 2009, James Harper wrote: > > I see that in 3.4.x, throttling has been changed from a file in /etc to > > a xenstore entry, as per the following code: > > > > throttling = xenstore_vm_read(domid, "log-throttling", &len); > > if (throttling != NULL) { > > throttling_disabled = (throttling[0] - '0'); > > free(throttling); > > } > > > > A bit of searching tells me that the full path of the key is > > /vm/<uuid>/log-throttling, but it appears to be read at boot. How can I > > get it written in there in time? > > > > Good question :) > You could hack xend but it is not exactly something you want to do. > Another possibility is to change your device_model in the vm config file > to a bash script that does what you want and then calls qemu-dm with the > right arguments. > We could probably modify qemu to read the xenstore key from another > place that is easier to know before the VM is started. Can we revert the patch then? I assume the citrix version of xend puts the log-throttling key in based on certain criteria but maybe it isn't appropriate for the gpl version? I mean it's pretty much useless in this form isn't it? It worked great for me as detecting the presence of a file in /etc... Thanks James _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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